syzbot


WARNING in minix_unlink

Status: upstream: reported C repro on 2024/11/22 18:44
Subsystems: fs
[Documentation on labels]
Reported-by: syzbot+320c57a47bdabc1f294b@syzkaller.appspotmail.com
First crash: 279d, last: 4d23h
Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: WARNING in minix_unlink (log)
Repro: C syz .config
  
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [fs?] WARNING in minix_unlink 6 (8) 2024/11/25 05:49
Similar bugs (2)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in minix_unlink origin:upstream -1 C 102 6d19h 344d 0/3 upstream: reported C repro on 2024/09/15 23:46
linux-6.1 WARNING in minix_unlink origin:upstream -1 C error 52 2d19h 263d 0/3 upstream: reported C repro on 2024/12/06 04:33
Last patch testing requests (1)
Created Duration User Patch Repo Result
2024/11/24 19:13 19m surajsonawane0215@gmail.com patch git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5825 at fs/inode.c:417 drop_nlink+0xc5/0x110 fs/inode.c:417
Modules linked in:
CPU: 0 UID: 0 PID: 5825 Comm: syz-executor234 Not tainted 6.15.0-syzkaller-13473-gc0c9379f235d #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:drop_nlink+0xc5/0x110 fs/inode.c:417
Code: 78 07 00 00 be 08 00 00 00 e8 c7 33 e8 ff f0 48 ff 83 78 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc cc e8 0c ea 86 ff 90 <0f> 0b 90 eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5b ff ff ff
RSP: 0018:ffffc900043cfc90 EFLAGS: 00010293
RAX: ffffffff823960c4 RBX: ffff88807684c588 RCX: ffff88802b5c8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8f9fe7f7 R09: 1ffffffff1f3fcfe
R10: dffffc0000000000 R11: fffffbfff1f3fcff R12: 1ffff1100ed098ba
R13: ffffea0001ddc500 R14: ffff88807684c5d0 R15: dffffc0000000000
FS:  000055557b55c380(0000) GS:ffff888125c87000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055557b575778 CR3: 0000000077e28000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 inode_dec_link_count include/linux/fs.h:2630 [inline]
 minix_unlink+0x1de/0x290 fs/minix/namei.c:157
 minix_rmdir+0x5d/0xd0 fs/minix/namei.c:167
 vfs_rmdir+0x3b7/0x520 fs/namei.c:4461
 do_rmdir+0x2ac/0x630 fs/namei.c:4516
 __do_sys_rmdir fs/namei.c:4535 [inline]
 __se_sys_rmdir fs/namei.c:4533 [inline]
 __x64_sys_rmdir+0x47/0x50 fs/namei.c:4533
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f86ae9fedc7
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 54 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:00007ffca1680a68 EFLAGS: 00000207 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f86ae9fedc7
RDX: 0000000000008890 RSI: 0000000000000000 RDI: 00007ffca1681c10
RBP: 0000000000000065 R08: 000055557b56d79b R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000207 R12: 00007ffca1681c10
R13: 000055557b56d740 R14: 431bde82d7b634db R15: 00007ffca1683d90
 </TASK>

Crashes (405):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/06/07 11:13 upstream c0c9379f235d 4826c28e .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-upstream-fs WARNING in minix_unlink
2024/11/25 04:16 upstream 9f16d5e6f220 68da6d95 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in minix_unlink
2025/07/05 23:01 upstream a79a588fc176 4f67c4ae .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 minix_unlink
2025/07/05 18:49 upstream a79a588fc176 4f67c4ae .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 minix_unlink
2025/04/30 04:29 upstream 8bac8898fe39 85a5a23f .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci-snapshot-upstream-root WARNING in minix_unlink
2025/04/20 00:17 upstream 8560697b23dc 2a20f901 .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 minix_unlink
2025/08/01 10:28 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 0c075d67 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci-upstream-gce-arm64 WARNING in minix_unlink
2024/12/21 23:37 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 573067a5a685 d7f584ee .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in minix_unlink
2024/11/27 12:20 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 7b1d1d4cfac0 52b38cc1 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in minix_unlink
2024/11/21 01:32 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 7b1d1d4cfac0 4fca1650 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in minix_unlink
2024/11/20 23:14 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 7b1d1d4cfac0 4fca1650 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in minix_unlink
2024/11/20 21:13 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 7b1d1d4cfac0 4fca1650 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in minix_unlink
2024/11/20 19:39 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 7b1d1d4cfac0 4fca1650 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/08/21 13:39 upstream 41cd3fd15263 0b9605c8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in minix_unlink
2025/08/21 09:40 upstream 41cd3fd15263 0b9605c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/08/20 18:18 upstream b19a97d57c15 0b9605c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/08/18 11:13 upstream 8d561baae505 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/08/15 19:26 upstream ee94b00c1a64 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/08/08 08:07 upstream bec077162bd0 6a893178 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/07/31 09:03 upstream e8d780dcd957 f8f2b4da .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/07/28 02:49 upstream b711733e89a3 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/07/22 21:00 upstream 89be9a83ccf1 8e9d1dc1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/07/20 12:19 upstream bf61759db409 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/07/20 10:28 upstream bf61759db409 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/07/18 14:21 upstream 6832a9317eee 88248e14 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/07/16 17:06 upstream 155a3c003e55 124ec9cc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/07/15 11:01 upstream 155a3c003e55 03fcfc4b .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/07/14 04:58 upstream 5d5d62298b8b 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/07/11 06:05 upstream bc9ff192a6c9 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/07/09 23:52 upstream 733923397fd9 f4e5e155 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in minix_unlink
2025/07/08 00:46 upstream d7b8f8e20813 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/07/07 22:34 upstream d7b8f8e20813 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/07/07 15:55 upstream d7b8f8e20813 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/07/07 12:35 upstream d7b8f8e20813 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/07/07 09:17 upstream d7b8f8e20813 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/07/04 17:56 upstream 4c06e63b9203 d869b261 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/07/04 08:45 upstream 17bbde2e1716 76ad128c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/06/30 19:34 upstream d0b3b7b22dfa fc9d8ee5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in minix_unlink
2025/06/26 18:12 upstream ee88bddf7f2f 803ce19b .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2024/12/14 17:25 upstream a446e965a188 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in minix_unlink
2025/08/17 11:06 linux-next 931e46dcbc7e 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in minix_unlink
2025/08/17 02:05 linux-next 931e46dcbc7e 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in minix_unlink
2025/08/09 11:31 linux-next b1549501188c 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in minix_unlink
2025/07/20 20:47 linux-next d086c886ceb9 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in minix_unlink
2025/07/20 00:17 linux-next d086c886ceb9 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in minix_unlink
2025/06/29 03:39 linux-next 2aeda9592360 fc9d8ee5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in minix_unlink
2025/08/15 04:49 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 dcc075fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/08/14 07:18 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 22ec1469 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/08/13 16:33 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 22ec1469 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/08/11 07:13 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/08/11 05:28 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/08/11 03:59 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/08/07 09:24 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 4bd24a3e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/08/06 07:45 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 904e669c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/07/26 20:11 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/07/25 13:39 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/07/21 02:03 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci aaef6f251176 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/07/16 05:40 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ec4801305969 03fcfc4b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/07/13 00:13 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ec4801305969 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/06/29 10:44 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9aa9b43d689e fc9d8ee5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/06/27 10:55 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9aa9b43d689e 803ce19b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/06/26 16:25 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9aa9b43d689e 26d77996 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/06/26 11:48 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9aa9b43d689e 26d77996 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
* Struck through repros no longer work on HEAD.