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: 128d, last: 2h28m
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 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in minix_unlink origin:upstream C 66 16d 194d 0/3 upstream: reported C repro on 2024/09/15 23:46
linux-6.1 WARNING in minix_unlink origin:upstream C 45 13d 113d 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: 5840 at fs/inode.c:407 drop_nlink+0xc4/0x110 fs/inode.c:407
Modules linked in:
CPU: 0 UID: 0 PID: 5840 Comm: syz-executor375 Not tainted 6.12.0-syzkaller-09073-g9f16d5e6f220 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:drop_nlink+0xc4/0x110 fs/inode.c:407
Code: bb 70 07 00 00 be 08 00 00 00 e8 b7 08 e6 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 fd 4e 7e 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:ffffc9000379fc30 EFLAGS: 00010293
RAX: ffffffff821790c3 RBX: 1ffff1100f109163 RCX: ffff88801f7e5a00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff82179043 R09: 1ffffffff203846e
R10: dffffc0000000000 R11: fffffbfff203846f R12: ffff888078848b18
R13: 0000000000000000 R14: ffff888078848ad0 R15: dffffc0000000000
FS:  000055558bda2380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558bdb3738 CR3: 000000002a034000 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:2521 [inline]
 minix_unlink+0x22c/0x2d0 fs/minix/namei.c:157
 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: 0033:0x7ffb844e5d17
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:00007ffc561509d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffb844e5d17
RDX: 00007ffc56150a00 RSI: 00007ffc56150a90 RDI: 00007ffc56150a90
RBP: 00007ffc56150a90 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffc56151b80
R13: 000055558bdb3740 R14: 431bde82d7b634db R15: 00007ffc56153d00
 </TASK>

Crashes (257):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
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
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
2025/03/29 02:14 upstream 15cb9a2b66fc 9a1a9e31 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/03/28 18:56 upstream acb4f33713b9 9a1a9e31 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/03/22 15:12 upstream 88d324e69ea9 c6512ef7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/03/21 12:30 upstream b3ee1e460951 62330552 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in minix_unlink
2025/03/20 10:25 upstream a7f2e10ecd8f 9209bc22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/03/19 01:14 upstream fc444ada1310 22a6c2b1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in minix_unlink
2025/03/18 21:55 upstream fc444ada1310 22a6c2b1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in minix_unlink
2025/03/08 22:38 upstream 2e51e0ac575c 7e3bd60d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/03/08 06:37 upstream 2a520073e74f 7e3bd60d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/03/08 00:02 upstream 00a7d39898c8 7e3bd60d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/03/07 09:13 upstream 0f52fd4f67c6 831e3629 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/03/06 01:41 upstream bb2281fb05e5 831e3629 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/03/01 20:48 upstream 03d38806a902 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/03/01 16:10 upstream 7a5668899f54 67cf5345 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/02/28 01:23 upstream dd83757f6e68 6a8fcbc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/02/26 17:38 upstream ac9c34d1e45a d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/02/24 04:30 upstream d082ecbc71e9 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/02/23 06:52 upstream 5cf80612d3f7 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/02/16 05:45 upstream 496659003dac 40a34ec9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/02/10 01:16 upstream 69b54314c975 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/02/04 11:09 upstream 0de63bb7d919 8f267cef .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in minix_unlink
2025/02/02 07:32 upstream 69e858e0b8b2 0dff8567 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in minix_unlink
2025/01/29 04:57 upstream 9c5968db9e62 f5427d7c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in minix_unlink
2025/01/29 04:56 upstream 9c5968db9e62 f5427d7c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in minix_unlink
2025/01/23 12:19 upstream 7004a2e46d16 9d4f14f8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root 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
2025/02/26 02:58 linux-next e5d3fd687aac d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in minix_unlink
2025/02/16 17:37 linux-next 0ae0fa3bf0b4 40a34ec9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in minix_unlink
2025/03/26 15:35 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a2392f333575 89d30d73 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/03/15 20:16 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5618886fdab e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/03/13 12:50 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 78e3fd2b7e4b 44be8b44 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/03/04 16:32 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci e056da87c780 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/03/04 13:02 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci e056da87c780 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/02/26 14:57 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a1c24ab82279 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/02/26 13:48 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a1c24ab82279 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/02/26 05:58 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a1c24ab82279 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/02/23 10:46 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a1c24ab82279 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/02/22 08:28 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a1c24ab82279 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/02/18 12:44 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a64dcfb451e2 c37c7249 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/02/17 07:31 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a64dcfb451e2 40a34ec9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/02/17 05:04 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a64dcfb451e2 40a34ec9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/02/15 08:21 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a64dcfb451e2 40a34ec9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/02/13 01:37 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2014c95afece b27c2402 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/02/08 14:27 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2014c95afece ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/02/06 20:15 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2014c95afece 577d049b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/02/06 13:00 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2014c95afece 577d049b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/02/05 16:20 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2014c95afece 5896748e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/02/04 01:08 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1950a0af2d55 a21a8419 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/02/02 19:52 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1950a0af2d55 568559e4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/01/29 10:53 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1950a0af2d55 865ef71e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in minix_unlink
2025/01/27 22:22 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1950a0af2d55 18070896 .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.