syzbot


WARNING in ocfs2_unlink

Status: upstream: reported C repro on 2025/01/14 14:59
Subsystems: ocfs2
[Documentation on labels]
Reported-by: syzbot+55c40ae8a0e5f3659f2b@syzkaller.appspotmail.com
First crash: 326d, last: 1d08h
Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: WARNING in ocfs2_unlink (log)
Repro: C syz .config
  
Discussions (3)
Title Replies (including bot) Last reply
[RFT PATCH] ocfs2: Invalidate inode if i_mode is zero after block read 18 (18) 2025/12/03 01:04
[syzbot] [ocfs2?] WARNING in ocfs2_unlink 0 (7) 2025/11/17 22:06
[RFC RFT PATCH] ocfs2: Invalidate inode if i_mode is zero after block read 7 (7) 2025/10/25 14:39
Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 WARNING in ocfs2_unlink origin:upstream -1 C 10 23d 148d 0/3 upstream: reported C repro on 2025/07/08 05:30
linux-6.6 WARNING in ocfs2_unlink origin:upstream -1 C 2 31d 31d 0/2 upstream: reported C repro on 2025/11/01 20:08
linux-5.15 WARNING in ocfs2_unlink origin:upstream -1 C error 14 24d 326d 0/3 upstream: reported C repro on 2025/01/10 17:34
Last patch testing requests (11)
Created Duration User Patch Repo Result
2025/11/17 22:06 21m eraykrdg1@gmail.com patch upstream OK log
2025/10/25 08:12 21m eraykrdg1@gmail.com patch upstream OK log
2025/10/24 01:57 21m eraykrdg1@gmail.com patch upstream OK log
2025/10/24 01:29 19m eraykrdg1@gmail.com patch upstream report log
2025/10/23 09:08 19m albinbabuvarghese20@gmail.com patch upstream OK log
2025/10/22 01:19 2h06m eraykrdg1@gmail.com patch upstream OK log
2025/04/20 13:37 16m retest repro upstream report log
2025/04/20 13:37 1h25m retest repro upstream report log
2025/02/03 14:40 13m retest repro upstream report log
2025/02/03 14:40 13m retest repro upstream report log
2025/02/03 14:40 15m retest repro upstream report log
Fix bisection attempts (1)
Created Duration User Patch Repo Result
2025/03/08 11:32 1h35m bisect fix upstream OK (0) job log log

Sample crash report:
(syz-executor375,5826,0):ocfs2_delete_inode:1068 ERROR: status = -17
(syz-executor375,5826,1):ocfs2_query_inode_wipe:937 ERROR: Inode 17057 (on-disk 17057) not orphaned! Disk flags  0x1, inode flags 0x0
(syz-executor375,5826,1):ocfs2_delete_inode:1068 ERROR: status = -17
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5826 at fs/inode.c:407 drop_nlink+0xc4/0x110 fs/inode.c:407
Modules linked in:
CPU: 1 UID: 0 PID: 5826 Comm: syz-executor375 Not tainted 6.13.0-rc7-syzkaller-00189-g595523945be0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:drop_nlink+0xc4/0x110 fs/inode.c:407
Code: bb 70 07 00 00 be 08 00 00 00 e8 c7 35 e7 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 1d 54 83 ff 90 <0f> 0b 90 eb 83 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 5c ff ff ff
RSP: 0018:ffffc90003ecf8f0 EFLAGS: 00010293
RAX: ffffffff821c1e03 RBX: 1ffff1100eb30a00 RCX: ffff888021359e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff821c1d83 R09: 1ffff1100eb00fbf
R10: dffffc0000000000 R11: ffffed100eb00fc0 R12: ffff888075985000
R13: 1ffff920007d9f34 R14: ffff888075984fb8 R15: dffffc0000000000
FS:  0000555555f73480(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555f7c7f8 CR3: 0000000075102000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ocfs2_unlink+0xf62/0x1c80 fs/ocfs2/namei.c:997
 vfs_unlink+0x365/0x650 fs/namei.c:4523
 do_unlinkat+0x4ae/0x830 fs/namei.c:4587
 __do_sys_unlink fs/namei.c:4635 [inline]
 __se_sys_unlink fs/namei.c:4633 [inline]
 __x64_sys_unlink+0x47/0x50 fs/namei.c:4633
 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: 0033:0x7f58ba679757
Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffed1f30d58 EFLAGS: 00000287 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f58ba679757
RDX: 00007ffed1f30d80 RSI: 00007ffed1f30e10 RDI: 00007ffed1f30e10
RBP: 00007ffed1f30e10 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000287 R12: 00007ffed1f31f00
R13: 0000555555f7c800 R14: 431bde82d7b634db R15: 00007ffed1f32f90
 </TASK>

Crashes (134):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/01/18 15:03 upstream 595523945be0 f2cb035c .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in ocfs2_unlink
2025/01/11 01:06 upstream 2144da25584e 6dbc6a9b .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in ocfs2_unlink
2025/01/10 20:18 upstream 2144da25584e 6dbc6a9b .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in ocfs2_unlink
2025/08/27 02:30 upstream fab1beda7597 e12e5ba4 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci-snapshot-upstream-root WARNING in ocfs2_unlink
2025/08/26 17:16 upstream fab1beda7597 e12e5ba4 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci-snapshot-upstream-root WARNING in ocfs2_unlink
2025/08/23 08:37 linux-next 7fa4d8dc380f bf27483f .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci-upstream-linux-next-kasan-gce-root WARNING in ocfs2_unlink
2025/11/29 18:31 upstream 19eef1d98eed d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ocfs2_unlink
2025/10/18 02:51 upstream cf1ea8854e4f 1c8c8cd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ocfs2_unlink
2025/11/30 12:50 linux-next 7d31f578f323 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in ocfs2_unlink
2025/11/30 12:47 linux-next 7d31f578f323 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in ocfs2_unlink
2025/10/27 13:27 linux-next 8fec172c82c2 c0460fcd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in ocfs2_unlink
2025/10/05 14:42 linux-next 47a8d4b89844 49379ee0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in ocfs2_unlink
2025/12/02 06:36 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/12/02 02:02 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/12/01 23:56 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/11/28 06:46 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 56b28b3bf0f5 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/11/27 10:13 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci b5fb0949b675 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/11/27 06:01 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci b5fb0949b675 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/11/25 18:46 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 3812f8fa7c83 64219f15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/11/25 03:55 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 3812f8fa7c83 64219f15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/11/24 04:12 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 3812f8fa7c83 4fb8ef37 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/11/22 17:47 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 3812f8fa7c83 4fb8ef37 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/11/19 03:16 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 0135f5afa33b ef766cd7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/11/15 04:52 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci db9030a787e3 f7988ea4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/11/13 07:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 74c964729281 07e030de .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/11/11 17:03 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci e424ed997df8 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/11/11 11:39 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci e424ed997df8 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/11/11 03:49 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci e424ed997df8 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/11/08 11:25 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci e424ed997df8 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/11/06 22:20 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci dcb6fa37fd7b 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/11/06 06:18 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci dcb6fa37fd7b a6c9c731 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/11/05 20:38 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci dcb6fa37fd7b a6c9c731 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/11/03 02:18 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci dcb6fa37fd7b 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/10/31 12:47 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci b98c94eed4a9 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/10/29 07:05 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci b98c94eed4a9 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/10/28 13:27 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci b98c94eed4a9 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/10/25 00:32 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci b98c94eed4a9 c0460fcd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/10/24 09:17 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci b98c94eed4a9 c0460fcd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/10/23 15:26 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 143937ca51cc c0460fcd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/10/20 00:43 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bf45a62baffc 1c8c8cd8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/10/18 17:31 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bf45a62baffc 1c8c8cd8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/10/16 07:58 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bf45a62baffc 19568248 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/10/14 13:40 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bf45a62baffc b6605ba8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/10/07 18:57 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bf45a62baffc 8ef35d49 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/10/07 17:15 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bf45a62baffc 8ef35d49 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/10/06 00:21 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bf45a62baffc 49379ee0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/10/05 21:17 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bf45a62baffc 49379ee0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/10/05 01:33 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bf45a62baffc 49379ee0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/10/03 01:37 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2213e57a69f0 49379ee0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/10/01 02:54 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2213e57a69f0 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/09/26 17:38 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2213e57a69f0 0abd0691 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/09/26 02:13 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 35aa5763e111 0abd0691 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/09/25 12:35 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 0f3be52b8e37 0abd0691 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
2025/09/25 03:33 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 0f3be52b8e37 0abd0691 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ocfs2_unlink
* Struck through repros no longer work on HEAD.