Hello, syzbot found the following issue on: HEAD commit: e8bdb3c8be08 Merge tag 'riscv-for-linus-6.12-rc8' of git:/.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1644d2c0580000 kernel config: https://syzkaller.appspot.com/x/.config?x=d2aeec8c0b2e420c dashboard link: https://syzkaller.appspot.com/bug?extid=c317c107c68f8bc257d9 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1144d2c0580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=176252e8580000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-e8bdb3c8.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/fcae16ff0e0f/vmlinux-e8bdb3c8.xz kernel image: https://storage.googleapis.com/syzbot-assets/758973beace8/bzImage-e8bdb3c8.xz mounted in repro #1: https://storage.googleapis.com/syzbot-assets/a097a300c8a9/mount_0.gz mounted in repro #2: https://storage.googleapis.com/syzbot-assets/36b9fff6ab5e/mount_6.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+c317c107c68f8bc257d9@xxxxxxxxxxxxxxxxxxxxxxxxx BUG: Bad page state in process syz-executor315 pfn:49e01 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x49e01 head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:-1 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff00000000000 ffffea0001278001 ffffffffffffffff ffffffff00000000 raw: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 ffffea0001278001 ffffffffffffffff ffffffff00000000 head: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: nonzero pincount page_owner tracks the page as allocated page last allocated via order 9, migratetype Movable, gfp_mask 0x153c4a(GFP_NOFS|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5313, tgid 5313 (syz-executor315), ts 64129995228, free_ts 0 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1556 prep_new_page mm/page_alloc.c:1564 [inline] get_page_from_freelist+0x3649/0x3790 mm/page_alloc.c:3474 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4750 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 alloc_pages_noprof mm/mempolicy.c:2345 [inline] folio_alloc_noprof+0x128/0x180 mm/mempolicy.c:2352 filemap_alloc_folio_noprof+0xdf/0x500 mm/filemap.c:1010 __filemap_get_folio+0x446/0xbd0 mm/filemap.c:1952 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x52a/0x16f0 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x68f/0xe50 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2de/0xac0 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:590 [inline] vfs_write+0xaeb/0xd30 fs/read_write.c:683 ksys_write+0x183/0x2b0 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page_owner free stack trace missing Modules linked in: CPU: 0 UID: 0 PID: 5312 Comm: syz-executor315 Not tainted 6.12.0-rc7-syzkaller-00189-ge8bdb3c8be08 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x176/0x1d0 mm/page_alloc.c:501 free_tail_page_prepare+0x237/0x460 free_pages_prepare mm/page_alloc.c:1103 [inline] free_unref_page+0x805/0x1140 mm/page_alloc.c:2657 __folio_put+0x2c7/0x440 mm/swap.c:112 delete_from_page_cache_batch+0xaed/0xc70 mm/filemap.c:351 truncate_inode_pages_range+0x364/0xfc0 mm/truncate.c:343 evict+0x4fd/0x9b0 fs/inode.c:727 dispose_list fs/inode.c:774 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:828 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2056 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7febd10ac807 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd1c2a8d88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007febd10ac807 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd1c2a8e40 RBP: 00007ffd1c2a8e40 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd1c2a9eb0 R13: 000055558d5376c0 R14: 431bde82d7b634db R15: 00007ffd1c2a9ed0 </TASK> BUG: Bad page state in process syz-executor315 pfn:49e00 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x49e00 head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 0000000000000000 ffffffffffffffff 0000000000000000 head: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set page_owner tracks the page as allocated page last allocated via order 9, migratetype Movable, gfp_mask 0x153c4a(GFP_NOFS|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5313, tgid 5313 (syz-executor315), ts 64129995228, free_ts 0 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1556 prep_new_page mm/page_alloc.c:1564 [inline] get_page_from_freelist+0x3649/0x3790 mm/page_alloc.c:3474 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4750 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 alloc_pages_noprof mm/mempolicy.c:2345 [inline] folio_alloc_noprof+0x128/0x180 mm/mempolicy.c:2352 filemap_alloc_folio_noprof+0xdf/0x500 mm/filemap.c:1010 __filemap_get_folio+0x446/0xbd0 mm/filemap.c:1952 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x52a/0x16f0 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x68f/0xe50 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2de/0xac0 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:590 [inline] vfs_write+0xaeb/0xd30 fs/read_write.c:683 ksys_write+0x183/0x2b0 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page_owner free stack trace missing Modules linked in: CPU: 0 UID: 0 PID: 5312 Comm: syz-executor315 Tainted: G B 6.12.0-rc7-syzkaller-00189-ge8bdb3c8be08 #0 Tainted: [B]=BAD_PAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x176/0x1d0 mm/page_alloc.c:501 free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_unref_page+0x105e/0x1140 mm/page_alloc.c:2657 __folio_put+0x2c7/0x440 mm/swap.c:112 delete_from_page_cache_batch+0xaed/0xc70 mm/filemap.c:351 truncate_inode_pages_range+0x364/0xfc0 mm/truncate.c:343 evict+0x4fd/0x9b0 fs/inode.c:727 dispose_list fs/inode.c:774 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:828 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2056 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7febd10ac807 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd1c2a8d88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007febd10ac807 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd1c2a8e40 RBP: 00007ffd1c2a8e40 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd1c2a9eb0 R13: 000055558d5376c0 R14: 431bde82d7b634db R15: 00007ffd1c2a9ed0 </TASK> XFS (loop0): Unmounting Filesystem 9f1cad42-11bd-4e12-8f0b-f07876b81d9a BUG: Bad page state in process syz-executor315 pfn:49c01 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x49c01 head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:-1 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff00000000000 ffffea0001270001 ffffffffffffffff ffffffff00000000 raw: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 ffffea0001270001 ffffffffffffffff ffffffff00000000 head: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: nonzero pincount page_owner tracks the page as allocated page last allocated via order 9, migratetype Movable, gfp_mask 0x153c4a(GFP_NOFS|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5323, tgid 5323 (syz-executor315), ts 64839944572, free_ts 0 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1556 prep_new_page mm/page_alloc.c:1564 [inline] get_page_from_freelist+0x3649/0x3790 mm/page_alloc.c:3474 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4750 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 alloc_pages_noprof mm/mempolicy.c:2345 [inline] folio_alloc_noprof+0x128/0x180 mm/mempolicy.c:2352 filemap_alloc_folio_noprof+0xdf/0x500 mm/filemap.c:1010 __filemap_get_folio+0x446/0xbd0 mm/filemap.c:1952 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x52a/0x16f0 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x68f/0xe50 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2de/0xac0 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:590 [inline] vfs_write+0xaeb/0xd30 fs/read_write.c:683 ksys_write+0x183/0x2b0 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page_owner free stack trace missing Modules linked in: CPU: 0 UID: 0 PID: 5312 Comm: syz-executor315 Tainted: G B 6.12.0-rc7-syzkaller-00189-ge8bdb3c8be08 #0 Tainted: [B]=BAD_PAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x176/0x1d0 mm/page_alloc.c:501 free_tail_page_prepare+0x237/0x460 free_pages_prepare mm/page_alloc.c:1103 [inline] free_unref_page+0x805/0x1140 mm/page_alloc.c:2657 __folio_put+0x2c7/0x440 mm/swap.c:112 delete_from_page_cache_batch+0xaed/0xc70 mm/filemap.c:351 truncate_inode_pages_range+0x364/0xfc0 mm/truncate.c:343 evict+0x4fd/0x9b0 fs/inode.c:727 dispose_list fs/inode.c:774 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:828 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2056 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7febd10ac807 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd1c2a8d88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007febd10ac807 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd1c2a8e40 RBP: 00007ffd1c2a8e40 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd1c2a9eb0 R13: 000055558d5376c0 R14: 431bde82d7b634db R15: 00007ffd1c2a9ed0 </TASK> BUG: Bad page state in process syz-executor315 pfn:49c00 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x49c00 head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 0000000000000000 ffffffffffffffff 0000000000000000 head: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set page_owner tracks the page as allocated page last allocated via order 9, migratetype Movable, gfp_mask 0x153c4a(GFP_NOFS|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5323, tgid 5323 (syz-executor315), ts 64839944572, free_ts 0 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1556 prep_new_page mm/page_alloc.c:1564 [inline] get_page_from_freelist+0x3649/0x3790 mm/page_alloc.c:3474 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4750 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 alloc_pages_noprof mm/mempolicy.c:2345 [inline] folio_alloc_noprof+0x128/0x180 mm/mempolicy.c:2352 filemap_alloc_folio_noprof+0xdf/0x500 mm/filemap.c:1010 __filemap_get_folio+0x446/0xbd0 mm/filemap.c:1952 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x52a/0x16f0 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x68f/0xe50 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2de/0xac0 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:590 [inline] vfs_write+0xaeb/0xd30 fs/read_write.c:683 ksys_write+0x183/0x2b0 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page_owner free stack trace missing Modules linked in: CPU: 0 UID: 0 PID: 5312 Comm: syz-executor315 Tainted: G B 6.12.0-rc7-syzkaller-00189-ge8bdb3c8be08 #0 Tainted: [B]=BAD_PAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x176/0x1d0 mm/page_alloc.c:501 free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_unref_page+0x105e/0x1140 mm/page_alloc.c:2657 __folio_put+0x2c7/0x440 mm/swap.c:112 delete_from_page_cache_batch+0xaed/0xc70 mm/filemap.c:351 truncate_inode_pages_range+0x364/0xfc0 mm/truncate.c:343 evict+0x4fd/0x9b0 fs/inode.c:727 dispose_list fs/inode.c:774 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:828 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2056 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7febd10ac807 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd1c2a8d88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007febd10ac807 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd1c2a8e40 RBP: 00007ffd1c2a8e40 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd1c2a9eb0 R13: 000055558d5376c0 R14: 431bde82d7b634db R15: 00007ffd1c2a9ed0 </TASK> XFS (loop0): Unmounting Filesystem 9f1cad42-11bd-4e12-8f0b-f07876b81d9a BUG: Bad page state in process syz-executor315 pfn:49601 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x49601 head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:-1 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff00000000000 ffffea0001258001 ffffffffffffffff ffffffff00000000 raw: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 ffffea0001258001 ffffffffffffffff ffffffff00000000 head: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: nonzero pincount page_owner tracks the page as allocated page last allocated via order 9, migratetype Movable, gfp_mask 0x153c4a(GFP_NOFS|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5332, tgid 5332 (syz-executor315), ts 65574250861, free_ts 65305696974 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1556 prep_new_page mm/page_alloc.c:1564 [inline] get_page_from_freelist+0x3649/0x3790 mm/page_alloc.c:3474 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4750 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 alloc_pages_noprof mm/mempolicy.c:2345 [inline] folio_alloc_noprof+0x128/0x180 mm/mempolicy.c:2352 filemap_alloc_folio_noprof+0xdf/0x500 mm/filemap.c:1010 __filemap_get_folio+0x446/0xbd0 mm/filemap.c:1952 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x52a/0x16f0 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x68f/0xe50 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2de/0xac0 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:590 [inline] vfs_write+0xaeb/0xd30 fs/read_write.c:683 ksys_write+0x183/0x2b0 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5312 tgid 5312 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xf37/0x1a20 mm/page_alloc.c:2704 folios_put_refs+0x76c/0x860 mm/swap.c:993 folio_batch_release include/linux/pagevec.h:101 [inline] shmem_undo_range+0x64c/0x1cf0 mm/shmem.c:1032 shmem_truncate_range mm/shmem.c:1144 [inline] shmem_evict_inode+0x29b/0xa80 mm/shmem.c:1274 evict+0x4e8/0x9b0 fs/inode.c:725 __dentry_kill+0x20d/0x630 fs/dcache.c:615 dput+0x19f/0x2b0 fs/dcache.c:857 __fput+0x5d2/0x880 fs/file_table.c:439 task_work_run+0x24f/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5312 Comm: syz-executor315 Tainted: G B 6.12.0-rc7-syzkaller-00189-ge8bdb3c8be08 #0 Tainted: [B]=BAD_PAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x176/0x1d0 mm/page_alloc.c:501 free_tail_page_prepare+0x237/0x460 free_pages_prepare mm/page_alloc.c:1103 [inline] free_unref_page+0x805/0x1140 mm/page_alloc.c:2657 __folio_put+0x2c7/0x440 mm/swap.c:112 delete_from_page_cache_batch+0xaed/0xc70 mm/filemap.c:351 truncate_inode_pages_range+0x364/0xfc0 mm/truncate.c:343 evict+0x4fd/0x9b0 fs/inode.c:727 dispose_list fs/inode.c:774 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:828 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2056 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7febd10ac807 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd1c2a8d88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007febd10ac807 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd1c2a8e40 RBP: 00007ffd1c2a8e40 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd1c2a9eb0 R13: 000055558d5376c0 R14: 431bde82d7b634db R15: 00007ffd1c2a9ed0 </TASK> BUG: Bad page state in process syz-executor315 pfn:49600 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x49600 head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 0000000000000000 ffffffffffffffff 0000000000000000 head: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set page_owner tracks the page as allocated page last allocated via order 9, migratetype Movable, gfp_mask 0x153c4a(GFP_NOFS|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5332, tgid 5332 (syz-executor315), ts 65574250861, free_ts 65305701576 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1556 prep_new_page mm/page_alloc.c:1564 [inline] get_page_from_freelist+0x3649/0x3790 mm/page_alloc.c:3474 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4750 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 alloc_pages_noprof mm/mempolicy.c:2345 [inline] folio_alloc_noprof+0x128/0x180 mm/mempolicy.c:2352 filemap_alloc_folio_noprof+0xdf/0x500 mm/filemap.c:1010 __filemap_get_folio+0x446/0xbd0 mm/filemap.c:1952 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x52a/0x16f0 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x68f/0xe50 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2de/0xac0 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:590 [inline] vfs_write+0xaeb/0xd30 fs/read_write.c:683 ksys_write+0x183/0x2b0 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5312 tgid 5312 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xf37/0x1a20 mm/page_alloc.c:2704 folios_put_refs+0x76c/0x860 mm/swap.c:993 folio_batch_release include/linux/pagevec.h:101 [inline] shmem_undo_range+0x64c/0x1cf0 mm/shmem.c:1032 shmem_truncate_range mm/shmem.c:1144 [inline] shmem_evict_inode+0x29b/0xa80 mm/shmem.c:1274 evict+0x4e8/0x9b0 fs/inode.c:725 __dentry_kill+0x20d/0x630 fs/dcache.c:615 dput+0x19f/0x2b0 fs/dcache.c:857 __fput+0x5d2/0x880 fs/file_table.c:439 task_work_run+0x24f/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5312 Comm: syz-executor315 Tainted: G B 6.12.0-rc7-syzkaller-00189-ge8bdb3c8be08 #0 Tainted: [B]=BAD_PAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x176/0x1d0 mm/page_alloc.c:501 free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_unref_page+0x105e/0x1140 mm/page_alloc.c:2657 __folio_put+0x2c7/0x440 mm/swap.c:112 delete_from_page_cache_batch+0xaed/0xc70 mm/filemap.c:351 truncate_inode_pages_range+0x364/0xfc0 mm/truncate.c:343 evict+0x4fd/0x9b0 fs/inode.c:727 dispose_list fs/inode.c:774 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:828 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2056 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7febd10ac807 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd1c2a8d88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007febd10ac807 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd1c2a8e40 RBP: 00007ffd1c2a8e40 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd1c2a9eb0 R13: 000055558d5376c0 R14: 431bde82d7b634db R15: 00007ffd1c2a9ed0 </TASK> XFS (loop0): Unmounting Filesystem 9f1cad42-11bd-4e12-8f0b-f07876b81d9a BUG: Bad page state in process syz-executor315 pfn:4aa01 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x4aa01 head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:-1 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff00000000000 ffffea00012a8001 ffffffffffffffff ffffffff00000000 raw: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 ffffea00012a8001 ffffffffffffffff ffffffff00000000 head: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: nonzero pincount page_owner tracks the page as allocated page last allocated via order 9, migratetype Movable, gfp_mask 0x153c4a(GFP_NOFS|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5341, tgid 5341 (syz-executor315), ts 66297529696, free_ts 65289952304 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1556 prep_new_page mm/page_alloc.c:1564 [inline] get_page_from_freelist+0x3649/0x3790 mm/page_alloc.c:3474 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4750 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 alloc_pages_noprof mm/mempolicy.c:2345 [inline] folio_alloc_noprof+0x128/0x180 mm/mempolicy.c:2352 filemap_alloc_folio_noprof+0xdf/0x500 mm/filemap.c:1010 __filemap_get_folio+0x446/0xbd0 mm/filemap.c:1952 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x52a/0x16f0 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x68f/0xe50 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2de/0xac0 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:590 [inline] vfs_write+0xaeb/0xd30 fs/read_write.c:683 ksys_write+0x183/0x2b0 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5312 tgid 5312 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xf37/0x1a20 mm/page_alloc.c:2704 folios_put_refs+0x76c/0x860 mm/swap.c:993 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x47b/0xfc0 mm/truncate.c:346 evict+0x4fd/0x9b0 fs/inode.c:727 dispose_list fs/inode.c:774 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:828 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2056 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5312 Comm: syz-executor315 Tainted: G B 6.12.0-rc7-syzkaller-00189-ge8bdb3c8be08 #0 Tainted: [B]=BAD_PAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x176/0x1d0 mm/page_alloc.c:501 free_tail_page_prepare+0x237/0x460 free_pages_prepare mm/page_alloc.c:1103 [inline] free_unref_page+0x805/0x1140 mm/page_alloc.c:2657 __folio_put+0x2c7/0x440 mm/swap.c:112 delete_from_page_cache_batch+0xaed/0xc70 mm/filemap.c:351 truncate_inode_pages_range+0x364/0xfc0 mm/truncate.c:343 evict+0x4fd/0x9b0 fs/inode.c:727 dispose_list fs/inode.c:774 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:828 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2056 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7febd10ac807 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd1c2a8d88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007febd10ac807 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd1c2a8e40 RBP: 00007ffd1c2a8e40 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd1c2a9eb0 R13: 000055558d5376c0 R14: 431bde82d7b634db R15: 00007ffd1c2a9ed0 </TASK> BUG: Bad page state in process syz-executor315 pfn:4aa00 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4aa00 head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 0000000000000000 ffffffffffffffff 0000000000000000 head: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set page_owner tracks the page as allocated page last allocated via order 9, migratetype Movable, gfp_mask 0x153c4a(GFP_NOFS|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5341, tgid 5341 (syz-executor315), ts 66297529696, free_ts 65289952304 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1556 prep_new_page mm/page_alloc.c:1564 [inline] get_page_from_freelist+0x3649/0x3790 mm/page_alloc.c:3474 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4750 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 alloc_pages_noprof mm/mempolicy.c:2345 [inline] folio_alloc_noprof+0x128/0x180 mm/mempolicy.c:2352 filemap_alloc_folio_noprof+0xdf/0x500 mm/filemap.c:1010 __filemap_get_folio+0x446/0xbd0 mm/filemap.c:1952 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x52a/0x16f0 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x68f/0xe50 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2de/0xac0 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:590 [inline] vfs_write+0xaeb/0xd30 fs/read_write.c:683 ksys_write+0x183/0x2b0 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5312 tgid 5312 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xf37/0x1a20 mm/page_alloc.c:2704 folios_put_refs+0x76c/0x860 mm/swap.c:993 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x47b/0xfc0 mm/truncate.c:346 evict+0x4fd/0x9b0 fs/inode.c:727 dispose_list fs/inode.c:774 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:828 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2056 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5312 Comm: syz-executor315 Tainted: G B 6.12.0-rc7-syzkaller-00189-ge8bdb3c8be08 #0 Tainted: [B]=BAD_PAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x176/0x1d0 mm/page_alloc.c:501 free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_unref_page+0x105e/0x1140 mm/page_alloc.c:2657 __folio_put+0x2c7/0x440 mm/swap.c:112 delete_from_page_cache_batch+0xaed/0xc70 mm/filemap.c:351 truncate_inode_pages_range+0x364/0xfc0 mm/truncate.c:343 evict+0x4fd/0x9b0 fs/inode.c:727 dispose_list fs/inode.c:774 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:828 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2056 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7febd10ac807 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd1c2a8d88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007febd10ac807 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd1c2a8e40 RBP: 00007ffd1c2a8e40 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd1c2a9eb0 R13: 000055558d5376c0 R14: 431bde82d7b634db R15: 00007ffd1c2a9ed0 </TASK> XFS (loop0): Unmounting Filesystem 9f1cad42-11bd-4e12-8f0b-f07876b81d9a BUG: Bad page state in process syz-executor315 pfn:4a401 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x4a401 head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:-1 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff00000000000 ffffea0001290001 ffffffffffffffff ffffffff00000000 raw: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 ffffea0001290001 ffffffffffffffff ffffffff00000000 head: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: nonzero pincount page_owner tracks the page as allocated page last allocated via order 9, migratetype Movable, gfp_mask 0x153c4a(GFP_NOFS|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5350, tgid 5350 (syz-executor315), ts 67030622284, free_ts 66809006649 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1556 prep_new_page mm/page_alloc.c:1564 [inline] get_page_from_freelist+0x3649/0x3790 mm/page_alloc.c:3474 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4750 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 alloc_pages_noprof mm/mempolicy.c:2345 [inline] folio_alloc_noprof+0x128/0x180 mm/mempolicy.c:2352 filemap_alloc_folio_noprof+0xdf/0x500 mm/filemap.c:1010 __filemap_get_folio+0x446/0xbd0 mm/filemap.c:1952 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x52a/0x16f0 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x68f/0xe50 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2de/0xac0 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:590 [inline] vfs_write+0xaeb/0xd30 fs/read_write.c:683 ksys_write+0x183/0x2b0 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5312 tgid 5312 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xf37/0x1a20 mm/page_alloc.c:2704 folios_put_refs+0x76c/0x860 mm/swap.c:993 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x47b/0xfc0 mm/truncate.c:346 evict+0x4fd/0x9b0 fs/inode.c:727 dispose_list fs/inode.c:774 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:828 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2056 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5312 Comm: syz-executor315 Tainted: G B 6.12.0-rc7-syzkaller-00189-ge8bdb3c8be08 #0 Tainted: [B]=BAD_PAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x176/0x1d0 mm/page_alloc.c:501 free_tail_page_prepare+0x237/0x460 free_pages_prepare mm/page_alloc.c:1103 [inline] free_unref_page+0x805/0x1140 mm/page_alloc.c:2657 __folio_put+0x2c7/0x440 mm/swap.c:112 delete_from_page_cache_batch+0xaed/0xc70 mm/filemap.c:351 truncate_inode_pages_range+0x364/0xfc0 mm/truncate.c:343 evict+0x4fd/0x9b0 fs/inode.c:727 dispose_list fs/inode.c:774 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:828 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2056 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7febd10ac807 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd1c2a8d88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007febd10ac807 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd1c2a8e40 RBP: 00007ffd1c2a8e40 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd1c2a9eb0 R13: 000055558d5376c0 R14: 431bde82d7b634db R15: 00007ffd1c2a9ed0 </TASK> BUG: Bad page state in process syz-executor315 pfn:4a400 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4a400 head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 0000000000000000 ffffffffffffffff 0000000000000000 head: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set page_owner tracks the page as allocated page last allocated via order 9, migratetype Movable, gfp_mask 0x153c4a(GFP_NOFS|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5350, tgid 5350 (syz-executor315), ts 67030622284, free_ts 66809006649 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1556 prep_new_page mm/page_alloc.c:1564 [inline] get_page_from_freelist+0x3649/0x3790 mm/page_alloc.c:3474 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4750 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 alloc_pages_noprof mm/mempolicy.c:2345 [inline] folio_alloc_noprof+0x128/0x180 mm/mempolicy.c:2352 filemap_alloc_folio_noprof+0xdf/0x500 mm/filemap.c:1010 __filemap_get_folio+0x446/0xbd0 mm/filemap.c:1952 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x52a/0x16f0 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x68f/0xe50 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2de/0xac0 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:590 [inline] vfs_write+0xaeb/0xd30 fs/read_write.c:683 ksys_write+0x183/0x2b0 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5312 tgid 5312 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xf37/0x1a20 mm/page_alloc.c:2704 folios_put_refs+0x76c/0x860 mm/swap.c:993 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x47b/0xfc0 mm/truncate.c:346 evict+0x4fd/0x9b0 fs/inode.c:727 dispose_list fs/inode.c:774 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:828 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2056 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5312 Comm: syz-executor315 Tainted: G B 6.12.0-rc7-syzkaller-00189-ge8bdb3c8be08 #0 Tainted: [B]=BAD_PAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x176/0x1d0 mm/page_alloc.c:501 free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_unref_page+0x105e/0x1140 mm/page_alloc.c:2657 __folio_put+0x2c7/0x440 mm/swap.c:112 delete_from_page_cache_batch+0xaed/0xc70 mm/filemap.c:351 truncate_inode_pages_range+0x364/0xfc0 mm/truncate.c:343 evict+0x4fd/0x9b0 fs/inode.c:727 dispose_list fs/inode.c:774 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:828 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2056 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7febd10ac807 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd1c2a8d88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007febd10ac807 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd1c2a8e40 RBP: 00007ffd1c2a8e40 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd1c2a9eb0 R13: 000055558d5376c0 R14: 431bde82d7b634db R15: 00007ffd1c2a9ed0 </TASK> XFS (loop0): Unmounting Filesystem 9f1cad42-11bd-4e12-8f0b-f07876b81d9a BUG: Bad page state in process syz-executor315 pfn:4a601 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x4a601 head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:-1 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff00000000000 ffffea0001298001 ffffffffffffffff ffffffff00000000 raw: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 ffffea0001298001 ffffffffffffffff ffffffff00000000 head: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: nonzero pincount page_owner tracks the page as allocated page last allocated via order 9, migratetype Movable, gfp_mask 0x153c4a(GFP_NOFS|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5359, tgid 5359 (syz-executor315), ts 67750523655, free_ts 67529968020 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1556 prep_new_page mm/page_alloc.c:1564 [inline] get_page_from_freelist+0x3649/0x3790 mm/page_alloc.c:3474 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4750 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 alloc_pages_noprof mm/mempolicy.c:2345 [inline] folio_alloc_noprof+0x128/0x180 mm/mempolicy.c:2352 filemap_alloc_folio_noprof+0xdf/0x500 mm/filemap.c:1010 __filemap_get_folio+0x446/0xbd0 mm/filemap.c:1952 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x52a/0x16f0 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x68f/0xe50 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2de/0xac0 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:590 [inline] vfs_write+0xaeb/0xd30 fs/read_write.c:683 ksys_write+0x183/0x2b0 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5312 tgid 5312 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xf37/0x1a20 mm/page_alloc.c:2704 folios_put_refs+0x76c/0x860 mm/swap.c:993 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x47b/0xfc0 mm/truncate.c:346 evict+0x4fd/0x9b0 fs/inode.c:727 dispose_list fs/inode.c:774 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:828 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2056 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5312 Comm: syz-executor315 Tainted: G B 6.12.0-rc7-syzkaller-00189-ge8bdb3c8be08 #0 Tainted: [B]=BAD_PAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x176/0x1d0 mm/page_alloc.c:501 free_tail_page_prepare+0x237/0x460 free_pages_prepare mm/page_alloc.c:1103 [inline] free_unref_page+0x805/0x1140 mm/page_alloc.c:2657 __folio_put+0x2c7/0x440 mm/swap.c:112 delete_from_page_cache_batch+0xaed/0xc70 mm/filemap.c:351 truncate_inode_pages_range+0x364/0xfc0 mm/truncate.c:343 evict+0x4fd/0x9b0 fs/inode.c:727 dispose_list fs/inode.c:774 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:828 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2056 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7febd10ac807 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd1c2a8d88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007febd10ac807 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd1c2a8e40 RBP: 00007ffd1c2a8e40 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd1c2a9eb0 R13: 000055558d5376c0 R14: 431bde82d7b634db R15: 00007ffd1c2a9ed0 </TASK> BUG: Bad page state in process syz-executor315 pfn:4a600 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4a600 head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 0000000000000000 ffffffffffffffff 0000000000000000 head: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set page_owner tracks the page as allocated page last allocated via order 9, migratetype Movable, gfp_mask 0x153c4a(GFP_NOFS|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5359, tgid 5359 (syz-executor315), ts 67750523655, free_ts 67529968020 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1556 prep_new_page mm/page_alloc.c:1564 [inline] get_page_from_freelist+0x3649/0x3790 mm/page_alloc.c:3474 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4750 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 alloc_pages_noprof mm/mempolicy.c:2345 [inline] folio_alloc_noprof+0x128/0x180 mm/mempolicy.c:2352 filemap_alloc_folio_noprof+0xdf/0x500 mm/filemap.c:1010 __filemap_get_folio+0x446/0xbd0 mm/filemap.c:1952 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x52a/0x16f0 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x68f/0xe50 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2de/0xac0 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:590 [inline] vfs_write+0xaeb/0xd30 fs/read_write.c:683 ksys_write+0x183/0x2b0 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5312 tgid 5312 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xf37/0x1a20 mm/page_alloc.c:2704 folios_put_refs+0x76c/0x860 mm/swap.c:993 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x47b/0xfc0 mm/truncate.c:346 evict+0x4fd/0x9b0 fs/inode.c:727 dispose_list fs/inode.c:774 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:828 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2056 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5312 Comm: syz-executor315 Tainted: G B 6.12.0-rc7-syzkaller-00189-ge8bdb3c8be08 #0 Tainted: [B]=BAD_PAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x176/0x1d0 mm/page_alloc.c:501 free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_unref_page+0x105e/0x1140 mm/page_alloc.c:2657 __folio_put+0x2c7/0x440 mm/swap.c:112 delete_from_page_cache_batch+0xaed/0xc70 mm/filemap.c:351 truncate_inode_pages_range+0x364/0xfc0 mm/truncate.c:343 evict+0x4fd/0x9b0 fs/inode.c:727 dispose_list fs/inode.c:774 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:828 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2056 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7febd10ac807 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd1c2a8d88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007febd10ac807 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd1c2a8e40 RBP: 00007ffd1c2a8e40 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd1c2a9eb0 R13: 000055558d5376c0 R14: 431bde82d7b634db R15: 00007ffd1c2a9ed0 </TASK> XFS (loop0): Unmounting Filesystem 9f1cad42-11bd-4e12-8f0b-f07876b81d9a BUG: Bad page state in process syz-executor315 pfn:4b401 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x4b401 head: order:0 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:-1 flags: 0x4fff0000000004d(locked|referenced|uptodate|head|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff00000000000 ffffea00012d0001 ffffffffffffffff ffffffff00000000 raw: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff0000000004d dead000000000100 dead000000000122 0000000000000000 head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 head: 04fff00000000000 ffffea00012d0001 ffffffffffffffff ffffffff00000000 head: 0000000000000200 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: nonzero pincount page_owner tracks the page as allocated page last allocated via order 9, migratetype Movable, gfp_mask 0x153c4a(GFP_NOFS|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5368, tgid 5368 (syz-executor315), ts 68466402985, free_ts 68270900026 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1556 prep_new_page mm/page_alloc.c:1564 [inline] get_page_from_freelist+0x3649/0x3790 mm/page_alloc.c:3474 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4750 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 alloc_pages_noprof mm/mempolicy.c:2345 [inline] folio_alloc_noprof+0x128/0x180 mm/mempolicy.c:2352 filemap_alloc_folio_noprof+0xdf/0x500 mm/filemap.c:1010 __filemap_get_folio+0x446/0xbd0 mm/filemap.c:1952 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x52a/0x16f0 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x68f/0xe50 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2de/0xac0 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:590 [inline] vfs_write+0xaeb/0xd30 fs/read_write.c:683 ksys_write+0x183/0x2b0 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5312 tgid 5312 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xf37/0x1a20 mm/page_alloc.c:2704 folios_put_refs+0x76c/0x860 mm/swap.c:993 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x47b/0xfc0 mm/truncate.c:346 evict+0x4fd/0x9b0 fs/inode.c:727 dispose_list fs/inode.c:774 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:828 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2056 deactivate_locked_super+0xc4/0x130 fs/ --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
