syzbot


WARNING in nilfs_rmdir

Status: upstream: reported C repro on 2024/11/28 20:36
Reported-by: syzbot+5d76aa902ab6cb0f57b1@syzkaller.appspotmail.com
First crash: 51d, last: 28d
Bug presence (1)
Date Name Commit Repro Result
2025/01/13 upstream (ToT) 5bc55a333a2f C Didn't crash
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in nilfs_rmdir origin:lts-only C 4 27d 34d 0/3 upstream: reported C repro on 2024/12/15 02:00
upstream WARNING in nilfs_rmdir nilfs C error 295 12d 59d 24/28 upstream: reported C repro on 2024/11/20 17:47

Sample crash report:
NILFS (loop3): deleting nonexistent file (ino=11), 0
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4256 at fs/inode.c:332 drop_nlink+0xbb/0x100
Modules linked in:
CPU: 0 PID: 4256 Comm: syz-executor Tainted: G        W          6.1.120-syzkaller-00773-g52f863f820fd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:drop_nlink+0xbb/0x100 fs/inode.c:332
Code: 49 8b 1e 48 8d bb c0 07 00 00 be 08 00 00 00 e8 1b f1 e9 ff f0 48 ff 83 c0 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 e8 f5 65 92 ff <0f> 0b eb 89 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c
RSP: 0018:ffffc90003ce7c70 EFLAGS: 00010293
RAX: ffffffff81f8367b RBX: 1ffff1100e36c836 RCX: ffff88802acb9dc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff81f835ff R09: ffffed10054d20f9
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888071b641b0
R13: 1ffff1100e36c765 R14: ffff888071b64168 R15: dffffc0000000000
FS:  00005555724cb500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056156849a950 CR3: 000000005cd9a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 nilfs_rmdir+0x1ac/0x250 fs/nilfs2/namei.c:341
 vfs_rmdir+0x35b/0x4b0 fs/namei.c:4191
 do_rmdir+0x3a2/0x590 fs/namei.c:4252
 __do_sys_unlinkat fs/namei.c:4432 [inline]
 __se_sys_unlinkat fs/namei.c:4426 [inline]
 __x64_sys_unlinkat+0xdc/0xf0 fs/namei.c:4426
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f3c081852f7
Code: 73 01 c3 48 c7 c1 a8 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 07 01 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:00007ffc4fe55138 EFLAGS: 00000207 ORIG_RAX: 0000000000000107
RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007f3c081852f7
RDX: 0000000000000200 RSI: 00007ffc4fe562e0 RDI: 00000000ffffff9c
RBP: 00007f3c0820180c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000207 R12: 00007ffc4fe562e0
R13: 00007f3c0820180c R14: 00007ffc4fe58490 R15: 0000000000000024
 </TASK>

Crashes (42):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/12/16 23:23 linux-6.1.y 52f863f820fd eec85da6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in nilfs_rmdir
2024/12/15 03:19 linux-6.1.y 52f863f820fd 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in nilfs_rmdir
2024/12/06 00:25 linux-6.1.y e4d90d63d385 29f61fce .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in nilfs_rmdir
2024/12/21 17:47 linux-6.1.y 29f02ec58a94 d7f584ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/21 17:45 linux-6.1.y 29f02ec58a94 d7f584ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/21 17:40 linux-6.1.y 29f02ec58a94 d7f584ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/21 17:38 linux-6.1.y 29f02ec58a94 d7f584ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/19 01:27 linux-6.1.y 52f863f820fd 1432fc84 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/19 01:27 linux-6.1.y 52f863f820fd 1432fc84 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/18 05:05 linux-6.1.y 52f863f820fd a0626d3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/18 03:24 linux-6.1.y 52f863f820fd a0626d3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/18 03:24 linux-6.1.y 52f863f820fd a0626d3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/18 03:24 linux-6.1.y 52f863f820fd a0626d3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/17 21:52 linux-6.1.y 52f863f820fd a0626d3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/17 21:52 linux-6.1.y 52f863f820fd a0626d3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/17 21:50 linux-6.1.y 52f863f820fd a0626d3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/17 21:48 linux-6.1.y 52f863f820fd a0626d3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/17 08:34 linux-6.1.y 52f863f820fd f93b2b55 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/17 08:32 linux-6.1.y 52f863f820fd f93b2b55 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/17 08:32 linux-6.1.y 52f863f820fd f93b2b55 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/17 08:32 linux-6.1.y 52f863f820fd f93b2b55 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/17 08:32 linux-6.1.y 52f863f820fd f93b2b55 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/16 10:49 linux-6.1.y 52f863f820fd eec85da6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/16 10:49 linux-6.1.y 52f863f820fd eec85da6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/16 10:49 linux-6.1.y 52f863f820fd eec85da6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/16 10:47 linux-6.1.y 52f863f820fd eec85da6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/16 10:47 linux-6.1.y 52f863f820fd eec85da6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/16 10:47 linux-6.1.y 52f863f820fd eec85da6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/15 04:08 linux-6.1.y 52f863f820fd 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/15 04:07 linux-6.1.y 52f863f820fd 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/15 04:07 linux-6.1.y 52f863f820fd 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/15 04:06 linux-6.1.y 52f863f820fd 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/15 04:03 linux-6.1.y 52f863f820fd 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/15 04:03 linux-6.1.y 52f863f820fd 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/15 04:03 linux-6.1.y 52f863f820fd 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/12/15 04:03 linux-6.1.y 52f863f820fd 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/11/29 02:33 linux-6.1.y e4d90d63d385 5df23865 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/11/29 01:35 linux-6.1.y e4d90d63d385 5df23865 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/11/28 23:23 linux-6.1.y e4d90d63d385 5df23865 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/11/28 21:40 linux-6.1.y e4d90d63d385 5df23865 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
2024/11/28 20:35 linux-6.1.y e4d90d63d385 5df23865 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in nilfs_rmdir
* Struck through repros no longer work on HEAD.