Hello, syzbot found the following issue on: HEAD commit: 92e815cf07ed Add linux-next specific files for 20230428 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=1732ed8c280000 kernel config: https://syzkaller.appspot.com/x/.config?x=c8c8ae4d47d23592 dashboard link: https://syzkaller.appspot.com/bug?extid=b58594b2f7f31155af24 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=122a8fdbc80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16ed8e2c280000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/c9e94856e6c9/disk-92e815cf.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/4c1c05a548a7/vmlinux-92e815cf.xz kernel image: https://storage.googleapis.com/syzbot-assets/2a1bff6a133b/bzImage-92e815cf.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/91d376f7ef76/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+b58594b2f7f31155af24@xxxxxxxxxxxxxxxxxxxxxxxxx Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: save_stack+0x1c8/0x1e0 mm/page_owner.c:135 CPU: 1 PID: 5038 Comm: syz-executor216 Not tainted 6.3.0-next-20230428-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106 panic+0x686/0x730 kernel/panic.c:340 __stack_chk_fail+0x19/0x20 kernel/panic.c:759 save_stack+0x1c8/0x1e0 mm/page_owner.c:135 __set_page_owner+0x1f/0x60 mm/page_owner.c:192 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x2db/0x350 mm/page_alloc.c:1731 prep_new_page mm/page_alloc.c:1738 [inline] get_page_from_freelist+0xf7c/0x2aa0 mm/page_alloc.c:3502 __alloc_pages+0x1cb/0x4a0 mm/page_alloc.c:4768 alloc_pages+0x1aa/0x270 mm/mempolicy.c:2277 push_anon lib/iov_iter.c:245 [inline] append_pipe+0x19a/0x660 lib/iov_iter.c:302 copy_pipe_to_iter lib/iov_iter.c:479 [inline] _copy_to_iter+0x463/0x1370 lib/iov_iter.c:533 copy_page_to_iter lib/iov_iter.c:740 [inline] copy_page_to_iter+0xe8/0x170 lib/iov_iter.c:727 copy_folio_to_iter include/linux/uio.h:197 [inline] filemap_read+0x682/0xc70 mm/filemap.c:2742 generic_file_read_iter+0x3ad/0x5b0 mm/filemap.c:2837 ntfs_file_read_iter+0x1b8/0x270 fs/ntfs3/file.c:744 call_read_iter include/linux/fs.h:1862 [inline] generic_file_splice_read+0x182/0x4b0 fs/splice.c:422 do_splice_to+0x1b9/0x240 fs/splice.c:905 splice_direct_to_actor+0x2ab/0x8a0 fs/splice.c:976 do_splice_direct+0x1ab/0x280 fs/splice.c:1085 do_sendfile+0xb19/0x12c0 fs/read_write.c:1254 __do_sys_sendfile64 fs/read_write.c:1322 [inline] __se_sys_sendfile64 fs/read_write.c:1308 [inline] __x64_sys_sendfile64+0x1d0/0x210 fs/read_write.c:1308 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f5c56defc49 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff58272038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 000000000001419a RCX: 00007f5c56defc49 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 0000000000000000 R08: 00007fff58272060 R09: 00007fff58272060 R10: 00008400fffffffa R11: 0000000000000246 R12: 00007fff5827205c R13: 00007fff58272090 R14: 00007fff58272070 R15: 0000000000000004 </TASK> Kernel Offset: disabled Rebooting in 86400 seconds.. --- 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 bug is already fixed, 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 change bug's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the bug is a duplicate of another bug, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
