syzbot


kernel BUG in close_ctree

Status: upstream: reported C repro on 2022/11/23 08:10
Labels: btrfs (incorrect?)
Reported-by: syzbot+2665d678fffcc4608e18@syzkaller.appspotmail.com
First crash: 191d, last: 21m

Cause bisection: failed (error log, bisect log)
Discussions (4)
Title Replies (including bot) Last reply
[syzbot] Monthly btrfs report (May 2023) 0 (1) 2023/05/30 08:21
[syzbot] Monthly btrfs report (Apr 2023) 0 (1) 2023/04/27 10:13
[syzbot] [btrfs] Monthly Report 1 (2) 2023/03/27 13:42
[syzbot] kernel BUG in close_ctree 0 (2) 2022/11/25 17:09
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 kernel BUG in close_ctree origin:upstream C 70 8h48m 79d 0/3 upstream: reported C repro on 2023/03/13 21:19
linux-6.1 kernel BUG in close_ctree origin:upstream C 75 3d02h 80d 0/3 upstream: reported C repro on 2023/03/12 14:15

Sample crash report:
assertion failed: list_empty(&fs_info->delayed_iputs), in fs/btrfs/disk-io.c:4589
------------[ cut here ]------------
kernel BUG at fs/btrfs/messages.c:259!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5079 Comm: syz-executor149 Not tainted 6.3.0-rc2-syzkaller-00235-g8d3c682a5e3d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0010:btrfs_assertfail+0x2c/0x30 fs/btrfs/messages.c:259
Code: 1f 00 41 55 41 89 d5 41 54 49 89 f4 55 48 89 fd e8 79 95 f8 fd 44 89 e9 4c 89 e2 48 89 ee 48 c7 c7 80 24 97 8a e8 74 a1 dc fd <0f> 0b 66 90 66 0f 1f 00 55 48 89 fd e8 53 95 f8 fd 48 89 ef 5d 48
RSP: 0018:ffffc90003e1fb90 EFLAGS: 00010282
RAX: 0000000000000051 RBX: ffff8880173ccd50 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8167842c RDI: 0000000000000005
RBP: ffffffff8a949460 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000000 R12: ffffffff8a945da0
R13: 00000000000011ed R14: ffff8880173cc010 R15: ffff8880173cc000
FS:  0000555556bca300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020c77000 CR3: 0000000079c1b000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 close_ctree+0xd06/0xf80 fs/btrfs/disk-io.c:4589
 generic_shutdown_super+0x158/0x480 fs/super.c:491
 kill_anon_super+0x3a/0x60 fs/super.c:1098
 btrfs_kill_super+0x3c/0x50 fs/btrfs/super.c:2133
 deactivate_locked_super+0x98/0x160 fs/super.c:331
 deactivate_super+0xb1/0xd0 fs/super.c:362
 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1177
 task_work_run+0x16f/0x270 kernel/task_work.c:179
 ptrace_notify+0x118/0x140 kernel/signal.c:2354
 ptrace_report_syscall include/linux/ptrace.h:411 [inline]
 ptrace_report_syscall_exit include/linux/ptrace.h:473 [inline]
 syscall_exit_work kernel/entry/common.c:251 [inline]
 syscall_exit_to_user_mode_prepare+0x129/0x220 kernel/entry/common.c:278
 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
 syscall_exit_to_user_mode+0xd/0x50 kernel/entry/common.c:296
 do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f73e5737ea7
Code: 07 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 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffead5dd758 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f73e5737ea7
RDX: 00007ffead5dd817 RSI: 000000000000000a RDI: 00007ffead5dd810
RBP: 00007ffead5dd810 R08: 00000000ffffffff R09: 00007ffead5dd5f0
R10: 0000555556bcb683 R11: 0000000000000202 R12: 00007ffead5de880
R13: 0000555556bcb5f0 R14: 00007ffead5dd780 R15: 000000000000000a
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:btrfs_assertfail+0x2c/0x30 fs/btrfs/messages.c:259
Code: 1f 00 41 55 41 89 d5 41 54 49 89 f4 55 48 89 fd e8 79 95 f8 fd 44 89 e9 4c 89 e2 48 89 ee 48 c7 c7 80 24 97 8a e8 74 a1 dc fd <0f> 0b 66 90 66 0f 1f 00 55 48 89 fd e8 53 95 f8 fd 48 89 ef 5d 48
RSP: 0018:ffffc90003e1fb90 EFLAGS: 00010282
RAX: 0000000000000051 RBX: ffff8880173ccd50 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8167842c RDI: 0000000000000005
RBP: ffffffff8a949460 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000000 R12: ffffffff8a945da0
R13: 00000000000011ed R14: ffff8880173cc010 R15: ffff8880173cc000
FS:  0000555556bca300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f73dd941000 CR3: 0000000079c1b000 CR4: 0000000000350ef0

Crashes (3031):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Manager Title
2023/03/18 08:16 upstream 8d3c682a5e3d 7939252e .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root kernel BUG in close_ctree
2023/03/13 22:12 upstream eeac8ede1755 026e2200 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in close_ctree
2023/02/20 08:02 upstream c9c3395d5e3d bcdf85f8 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in close_ctree
2023/01/24 08:26 upstream 7bf70dbb1882 9dfcf09c .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root kernel BUG in close_ctree
2023/01/23 07:17 upstream 2475bf0250de cc0f9968 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in close_ctree
2022/12/10 19:09 upstream 3ecc37918c80 67be1ae7 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root kernel BUG in close_ctree
2022/11/25 17:09 upstream c3eb11fbb826 74a66371 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in close_ctree
2023/05/23 21:20 linux-next 715abedee4cd 4bce1a3e .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root kernel BUG in close_ctree
2023/05/23 00:21 linux-next 715abedee4cd 4bce1a3e .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root kernel BUG in close_ctree
2023/05/07 06:47 linux-next 83e5775d7afd 90c93c40 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root kernel BUG in close_ctree
2023/03/13 22:02 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e 026e2200 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 kernel BUG in close_ctree
2023/02/20 04:53 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2d3827b3f393 bcdf85f8 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 kernel BUG in close_ctree
2023/01/07 21:03 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ae87308093bc 1dac8c7a .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 kernel BUG in close_ctree
2023/05/28 09:24 upstream 4e893b5aa4ac cf184559 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root kernel BUG in close_ctree
2023/03/20 02:57 upstream e8d018dd0257 7939252e .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in close_ctree
2023/01/24 11:57 upstream 7bf70dbb1882 9dfcf09c .config strace log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in close_ctree
2023/06/01 01:07 upstream 48b1320a674e babc4389 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/31 22:50 upstream 48b1320a674e babc4389 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/31 19:17 upstream 48b1320a674e 09898419 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/31 16:56 upstream afead42fdfca 09898419 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/31 15:50 upstream afead42fdfca 09898419 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/31 09:55 upstream afead42fdfca 09898419 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in close_ctree
2023/05/31 08:42 upstream afead42fdfca 09898419 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/31 05:43 upstream afead42fdfca 09898419 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root kernel BUG in close_ctree
2023/05/31 03:06 upstream afead42fdfca df37c7f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/31 00:28 upstream afead42fdfca df37c7f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/31 00:26 upstream afead42fdfca df37c7f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/30 21:31 upstream 8b817fded42d 09898419 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in close_ctree
2023/05/30 19:21 upstream 8b817fded42d 8d5c7541 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream kernel BUG in close_ctree
2023/05/30 15:08 upstream 8b817fded42d 8d5c7541 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in close_ctree
2023/05/30 12:42 upstream 8b817fded42d cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/30 10:13 upstream 8b817fded42d cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/30 08:40 upstream 8b817fded42d cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/30 05:34 upstream 8b817fded42d cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/30 04:31 upstream 8b817fded42d cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/30 02:26 upstream 8b817fded42d cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/30 01:26 upstream 8b817fded42d cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/29 23:57 upstream 8b817fded42d cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/29 22:45 upstream 8b817fded42d cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/29 20:17 upstream 8b817fded42d cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/29 17:09 upstream 8b817fded42d cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/29 15:21 upstream 8b817fded42d cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/29 12:37 upstream 7877cb91f108 cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/29 09:33 upstream e338142b39cf cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in close_ctree
2023/05/29 07:59 upstream 7877cb91f108 cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/29 06:58 upstream 7877cb91f108 cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/29 02:47 upstream 7877cb91f108 cf184559 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream kernel BUG in close_ctree
2023/05/29 02:13 upstream 7877cb91f108 cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/28 22:45 upstream 416839029e38 cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/28 21:43 upstream 416839029e38 cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/28 18:07 upstream 416839029e38 cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root kernel BUG in close_ctree
2023/05/28 15:52 upstream 7877cb91f108 cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root kernel BUG in close_ctree
2023/05/28 10:57 upstream 4e893b5aa4ac cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in close_ctree
2023/05/28 08:35 upstream 4e893b5aa4ac cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in close_ctree
2023/05/28 06:41 upstream 4e893b5aa4ac cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root kernel BUG in close_ctree
2023/05/28 02:08 upstream 4e893b5aa4ac cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/28 00:42 upstream 4e893b5aa4ac cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/27 20:07 upstream 49572d536129 cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in close_ctree
2023/05/27 18:40 upstream 49572d536129 cf184559 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream kernel BUG in close_ctree
2022/11/21 23:24 upstream eb7081409f94 1c576c23 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root kernel BUG in close_ctree
2023/05/29 10:39 upstream e338142b39cf cf184559 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel BUG in close_ctree
2023/05/28 20:39 upstream 7877cb91f108 cf184559 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel BUG in close_ctree
2023/05/28 19:30 upstream 7877cb91f108 cf184559 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 kernel BUG in close_ctree
2023/05/31 21:21 linux-next 715abedee4cd e2a77acd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in close_ctree
2023/05/27 23:31 linux-next 715abedee4cd cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in close_ctree
2023/05/28 12:49 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci eb0f1697d729 cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in close_ctree
* Struck through repros no longer work on HEAD.