syzbot


WARNING in do_mkdirat (2)

Status: upstream: reported on 2024/03/27 02:15
Reported-by: syzbot+93acc44f8f50ebc6566f@syzkaller.appspotmail.com
First crash: 89d, last: 3d00h
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 WARNING in do_mkdirat 7 217d 441d 0/3 auto-obsoleted due to no activity on 2024/02/28 16:21
upstream WARNING in do_mkdirat fs C error error 140 4d10h 569d 0/27 upstream: reported C repro on 2022/12/03 14:52
linux-5.15 WARNING in do_mkdirat 10 3d07h 355d 0/3 upstream: reported on 2023/07/05 09:42

Sample crash report:
WARNING: CPU: 0 PID: 3879 at kernel/locking/rwsem.c:1372 __up_write kernel/locking/rwsem.c:1371 [inline]
WARNING: CPU: 0 PID: 3879 at kernel/locking/rwsem.c:1372 up_write+0x4f5/0x580 kernel/locking/rwsem.c:1626
Modules linked in:
CPU: 0 PID: 3879 Comm: syz-executor.2 Not tainted 6.1.94-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:__up_write kernel/locking/rwsem.c:1371 [inline]
RIP: 0010:up_write+0x4f5/0x580 kernel/locking/rwsem.c:1626
Code: 48 c7 c7 e0 f5 eb 8a 48 c7 c6 20 f8 eb 8a 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 53 e8 1f d7 e8 ff 48 83 c4 08 <0f> 0b e9 71 fd ff ff 48 c7 c1 e8 be 73 8e 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc90005527d40 EFLAGS: 00010292
RAX: b866263f110f1300 RBX: ffffffff8aebf6c0 RCX: 0000000000040000
RDX: ffffc9000b6a3000 RSI: 0000000000017b9f RDI: 0000000000017ba0
RBP: ffffc90005527e10 R08: ffffffff8152931e R09: fffff52000aa4f09
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff8880712136a0 R14: 1ffff92000aa4fb0 R15: dffffc0000000000
FS:  00007f6017e886c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32830000 CR3: 00000000574c9000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 inode_unlock include/linux/fs.h:763 [inline]
 done_path_create fs/namei.c:3929 [inline]
 do_mkdirat+0x278/0x360 fs/namei.c:4136
 __do_sys_mkdirat fs/namei.c:4148 [inline]
 __se_sys_mkdirat fs/namei.c:4146 [inline]
 __x64_sys_mkdirat+0x85/0x90 fs/namei.c:4146
 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: 0033:0x7f601707d0a9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6017e880c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f60171b4050 RCX: 00007f601707d0a9
RDX: 0000000000000000 RSI: 0000000020000140 RDI: ffffffffffffff9c
RBP: 00007f60170ec074 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f60171b4050 R15: 00007ffd7f3a21c8
 </TASK>

Crashes (31):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/21 23:27 linux-6.1.y eb44d83053d6 edc5149a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in do_mkdirat
2024/06/21 23:27 linux-6.1.y eb44d83053d6 edc5149a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in do_mkdirat
2024/06/20 17:32 linux-6.1.y eb44d83053d6 dac2aa43 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in do_mkdirat
2024/06/16 15:28 linux-6.1.y eb44d83053d6 f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in do_mkdirat
2024/06/16 07:51 linux-6.1.y ae9f2a70d69e f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in do_mkdirat
2024/06/16 04:26 linux-6.1.y ae9f2a70d69e f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in do_mkdirat
2024/06/16 01:21 linux-6.1.y ae9f2a70d69e f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in do_mkdirat
2024/06/15 18:15 linux-6.1.y ae9f2a70d69e f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in do_mkdirat
2024/06/15 14:37 linux-6.1.y ae9f2a70d69e f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in do_mkdirat
2024/06/14 06:41 linux-6.1.y ae9f2a70d69e a9616ff5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in do_mkdirat
2024/05/26 00:04 linux-6.1.y 88690811da69 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in do_mkdirat
2024/05/16 05:29 linux-6.1.y 909ba1f1b414 ef5d53ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in do_mkdirat
2024/04/30 07:53 linux-6.1.y dcbc050cb0d3 f10afd69 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in do_mkdirat
2024/04/22 07:21 linux-6.1.y 6741e066ec76 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in do_mkdirat
2024/04/17 23:14 linux-6.1.y 6741e066ec76 acc528cb .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in do_mkdirat
2024/04/14 03:50 linux-6.1.y cd5d98c0556c c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in do_mkdirat
2024/04/11 18:49 linux-6.1.y bf1e3b1cb1e0 95ed9ece .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in do_mkdirat
2024/06/19 10:01 linux-6.1.y eb44d83053d6 41b7e219 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in do_mkdirat
2024/06/19 09:57 linux-6.1.y eb44d83053d6 41b7e219 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in do_mkdirat
2024/06/14 00:12 linux-6.1.y ae9f2a70d69e a9616ff5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in do_mkdirat
2024/06/13 16:04 linux-6.1.y ae9f2a70d69e a9616ff5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in do_mkdirat
2024/06/04 02:36 linux-6.1.y 88690811da69 a1feae05 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in do_mkdirat
2024/06/03 16:31 linux-6.1.y 88690811da69 0aba2352 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in do_mkdirat
2024/06/01 05:47 linux-6.1.y 88690811da69 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in do_mkdirat
2024/05/31 23:32 linux-6.1.y 88690811da69 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in do_mkdirat
2024/05/28 00:48 linux-6.1.y 88690811da69 f550015e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in do_mkdirat
2024/05/17 14:42 linux-6.1.y 4078fa637fcd a12e99e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in do_mkdirat
2024/05/17 00:30 linux-6.1.y 909ba1f1b414 c2e07261 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in do_mkdirat
2024/05/10 22:45 linux-6.1.y 909ba1f1b414 f7c35481 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in do_mkdirat
2024/04/07 08:16 linux-6.1.y 347385861c50 ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in do_mkdirat
2024/03/27 02:14 linux-6.1.y e5cd595e23c1 454571b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in do_mkdirat
* Struck through repros no longer work on HEAD.