Hello, syzbot found the following issue on: HEAD commit: 69e858e0b8b2 Merge tag 'uml-for-linus-6.14-rc1' of git://g.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11014b24580000 kernel config: https://syzkaller.appspot.com/x/.config?x=d033b14aeef39158 dashboard link: https://syzkaller.appspot.com/bug?extid=76f13f2acac84df26aae compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-69e858e0.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/a53b888c1f3f/vmlinux-69e858e0.xz kernel image: https://storage.googleapis.com/syzbot-assets/6b5e17edafc0/bzImage-69e858e0.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+76f13f2acac84df26aae@xxxxxxxxxxxxxxxxxxxxxxxxx bucket 0:19 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:20 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:20 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:21 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:21 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:22 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:22 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:23 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:23 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:24 gen 0 has wrong data_type: got free, should be journal, fixing bucket 0:24 gen 0 data type journal has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:26 gen 0 has wrong data_type: got free, should be btree, fixing bucket 0:26 gen 0 data type btree has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:27 gen 0 has wrong data_type: got btree, should be need_discard, fixing bucket 0:27 gen 0 data type need_discard has wrong dirty_sectors: got 256, should be 0, fixing bucket 0:29 gen 0 has wrong data_type: got free, should be btree, fixing bucket 0:29 gen 0 data type btree has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:32 gen 0 has wrong data_type: got sb, should be btree, fixing bucket 0:34 gen 0 has wrong data_type: got user, should be need_discard, fixing bucket 0:34 gen 0 data type need_discard has wrong dirty_sectors: got 16, should be 0, fixing bucket 0:35 gen 0 has wrong data_type: got free, should be btree, fixing bucket 0:35 gen 0 data type btree has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:38 gen 0 has wrong data_type: got free, should be btree, fixing bucket 0:38 gen 0 data type btree has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:41 gen 0 has wrong data_type: got free, should be btree, fixing bucket 0:41 gen 0 data type btree has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:120 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:120 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:121 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:121 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:122 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:122 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:123 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:123 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:124 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:124 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:125 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:125 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:126 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:126 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:127 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:127 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing done bcachefs (loop0): going read-write bcachefs (loop0): journal_replay... bcachefs (loop0): bch2_journal_replay(): error erofs_journal_err bcachefs (loop0): bch2_fs_recovery(): error erofs_journal_err bcachefs (loop0): bch2_fs_start(): error starting filesystem erofs_journal_err bcachefs (loop0): shutting down bcachefs (loop0): shutdown complete Oops: general protection fault, probably for non-canonical address 0x1000000000000: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Not tainted 6.13.0-syzkaller-09760-g69e858e0b8b2 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:qlist_move_cache+0x6a/0x140 mm/kasan/quarantine.c:302 Code: 00 00 00 00 48 8d 47 08 48 89 44 24 18 48 8d 47 10 48 89 44 24 10 48 8d 46 08 48 89 44 24 08 48 8d 46 10 48 89 04 24 4c 89 eb <4d> 8b 6d 00 48 89 df e8 aa 51 47 ff 48 c1 e8 06 48 83 e0 c0 48 8b RSP: 0018:ffffc9000d3777b0 EFLAGS: 00010006 RAX: 0000000000000140 RBX: 0001000000000000 RCX: ffffffff9a463b08 RDX: ffffffff9a463b10 RSI: ffff888042616c80 RDI: 00000000000cf2c9 RBP: ffffea0000000000 R08: ffffffff816d68ec R09: fffff52001a6eedc R10: dffffc0000000000 R11: fffff52001a6eedc R12: ffffffff9a463b00 R13: 0001000000000000 R14: ffffc9000d377808 R15: ffff888055273500 FS: 00007f1cd9cce6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055c19933f0c8 CR3: 0000000040e1a000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> kasan_quarantine_remove_cache+0x10b/0x180 mm/kasan/quarantine.c:370 kmem_cache_destroy+0x6e/0x160 mm/slab_common.c:528 bio_put_slab block/bio.c:155 [inline] bioset_exit+0x54e/0x650 block/bio.c:1662 bch2_fs_fs_io_direct_exit+0x19/0x30 fs/bcachefs/fs-io-direct.c:676 __bch2_fs_free fs/bcachefs/super.c:547 [inline] bch2_fs_release+0x1a9/0x7b0 fs/bcachefs/super.c:613 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x22f/0x480 lib/kobject.c:737 bch2_fs_get_tree+0xdc4/0x1740 fs/bcachefs/fs.c:2299 vfs_get_tree+0x90/0x2b0 fs/super.c:1814 do_new_mount+0x2be/0xb40 fs/namespace.c:3560 do_mount fs/namespace.c:3900 [inline] __do_sys_mount fs/namespace.c:4111 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4088 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 RIP: 0033:0x7f1cd8d8e54a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1cd9ccde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f1cd9ccdef0 RCX: 00007f1cd8d8e54a RDX: 0000000020000000 RSI: 0000000020000040 RDI: 00007f1cd9ccdeb0 RBP: 0000000020000000 R08: 00007f1cd9ccdef0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000040 R13: 00007f1cd9ccdeb0 R14: 000000000000593f R15: 0000000020000380 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:qlist_move_cache+0x6a/0x140 mm/kasan/quarantine.c:302 Code: 00 00 00 00 48 8d 47 08 48 89 44 24 18 48 8d 47 10 48 89 44 24 10 48 8d 46 08 48 89 44 24 08 48 8d 46 10 48 89 04 24 4c 89 eb <4d> 8b 6d 00 48 89 df e8 aa 51 47 ff 48 c1 e8 06 48 83 e0 c0 48 8b RSP: 0018:ffffc9000d3777b0 EFLAGS: 00010006 RAX: 0000000000000140 RBX: 0001000000000000 RCX: ffffffff9a463b08 RDX: ffffffff9a463b10 RSI: ffff888042616c80 RDI: 00000000000cf2c9 RBP: ffffea0000000000 R08: ffffffff816d68ec R09: fffff52001a6eedc R10: dffffc0000000000 R11: fffff52001a6eedc R12: ffffffff9a463b00 R13: 0001000000000000 R14: ffffc9000d377808 R15: ffff888055273500 FS: 00007f1cd9cce6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055c19933f0c8 CR3: 0000000040e1a000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 00 add %al,(%rax) 4: 48 8d 47 08 lea 0x8(%rdi),%rax 8: 48 89 44 24 18 mov %rax,0x18(%rsp) d: 48 8d 47 10 lea 0x10(%rdi),%rax 11: 48 89 44 24 10 mov %rax,0x10(%rsp) 16: 48 8d 46 08 lea 0x8(%rsi),%rax 1a: 48 89 44 24 08 mov %rax,0x8(%rsp) 1f: 48 8d 46 10 lea 0x10(%rsi),%rax 23: 48 89 04 24 mov %rax,(%rsp) 27: 4c 89 eb mov %r13,%rbx * 2a: 4d 8b 6d 00 mov 0x0(%r13),%r13 <-- trapping instruction 2e: 48 89 df mov %rbx,%rdi 31: e8 aa 51 47 ff call 0xff4751e0 36: 48 c1 e8 06 shr $0x6,%rax 3a: 48 83 e0 c0 and $0xffffffffffffffc0,%rax 3e: 48 rex.W 3f: 8b .byte 0x8b --- 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 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
