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WARNING in path_openat

Status: upstream: reported C repro on 2022/12/02 03:18
Subsystems: fs
[Documentation on labels]
Reported-by: syzbot+be8872fcb764bf9fea73@syzkaller.appspotmail.com
First crash: 373d, last: 27d
Cause bisection: failed (error log, bisect log)
  
Fix bisection: fixed by (bisect log) :
commit 00e4feb8c0476bbde3c8bf4a593e0f82ca9a4df6
Author: Yazen Ghannam <yazen.ghannam@amd.com>
Date: Fri Jan 27 17:04:03 2023 +0000

  EDAC/amd64: Rename debug_display_dimm_sizes()

  
▶ ▼ Discussions (3)
Title Replies (including bot) Last reply
[syzbot] Monthly fs report (Nov 2023) 0 (1) 2023/11/11 01:08
[syzbot] Monthly fs report (Oct 2023) 0 (1) 2023/10/10 13:22
[syzbot] WARNING in path_openat 1 (5) 2023/07/27 06:47
▶ ▼ Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in path_openat 2 169d 219d 0/3 auto-obsoleted due to no activity on 2023/09/28 05:21
linux-6.1 WARNING in path_openat 5 25d 223d 0/3 upstream: reported on 2023/04/27 09:28
▶ ▼ Last patch testing requests (9)
Created Duration User Patch Repo Result
2023/11/30 13:50 12m retest repro upstream report log
2023/11/30 12:31 23m retest repro linux-next OK log
2023/11/09 08:12 21m retest repro upstream report log
2023/11/09 08:12 20m retest repro upstream OK log
2023/09/21 12:54 10m retest repro upstream report log
2023/09/21 11:41 13m retest repro linux-next report log
2023/09/21 11:41 22m retest repro linux-next OK log
2023/08/31 04:13 9m retest repro upstream report log
2023/08/31 04:13 9m retest repro upstream report log

Sample crash report:
------------[ cut here ]------------
DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff8880785fbd58, owner = 0x0, curr 0xffff88807dc60000, list empty
WARNING: CPU: 1 PID: 5328 at kernel/locking/rwsem.c:1370 __up_write kernel/locking/rwsem.c:1369 [inline]
WARNING: CPU: 1 PID: 5328 at kernel/locking/rwsem.c:1370 up_write+0x4f4/0x580 kernel/locking/rwsem.c:1626
Modules linked in:
CPU: 1 PID: 5328 Comm: syz-executor110 Not tainted 6.5.0-syzkaller-11938-g65d6e954e378 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:__up_write kernel/locking/rwsem.c:1369 [inline]
RIP: 0010:up_write+0x4f4/0x580 kernel/locking/rwsem.c:1626
Code: 48 c7 c7 a0 9a 0a 8b 48 c7 c6 e0 9c 0a 8b 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 53 e8 b0 12 e8 ff 48 83 c4 08 <0f> 0b e9 75 fd ff ff 48 c7 c1 08 65 9a 8e 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc90004baf880 EFLAGS: 00010292
RAX: 7c0ffd1807d4b400 RBX: ffffffff8b0a9b80 RCX: ffff88807dc60000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90004baf950 R08: ffffffff81541672 R09: 1ffff92000975e7c
R10: dffffc0000000000 R11: fffff52000975e7d R12: 0000000000000000
R13: ffff8880785fbd58 R14: 1ffff92000975f18 R15: dffffc0000000000
FS:  00007f9c99c4c6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9ca106e000 CR3: 0000000020f30000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 inode_unlock include/linux/fs.h:807 [inline]
 open_last_lookups fs/namei.c:3567 [inline]
 path_openat+0x163a/0x3180 fs/namei.c:3793
 do_filp_open+0x234/0x490 fs/namei.c:3823

Crashes (57):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/09/06 11:02 upstream 65d6e954e378 0b6286dc .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in path_openat
2023/01/26 23:55 upstream 7c46948a6e9c 9dfcf09c .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in path_openat
2023/09/04 00:36 linux-next a47fc304d2b6 696ea0d2 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root WARNING in path_openat
2023/05/25 07:54 linux-next 715abedee4cd 4bce1a3e .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root WARNING in path_openat
2023/01/11 07:15 upstream 40c18f363a08 48bc529a .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in path_openat
2023/01/18 18:42 upstream c1649ec55708 42660d9e .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root WARNING in path_openat
2023/10/23 02:03 upstream 05d3ef8bba77 361b23dc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/08/17 00:53 upstream 4853c74bd7ab 74b106b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/08/15 13:53 upstream 91aa6c412d7f 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/06/22 12:28 upstream dad9774deaf1 09ffe269 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in path_openat
2023/06/18 18:43 upstream 8c1f0c38b310 f3921d4d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/06/14 21:49 upstream b6dad5178cea 76decb82 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/06/12 08:30 upstream 858fd168a95c 7086cdb9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in path_openat
2023/06/07 23:56 upstream a27648c74210 058b3a5a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/05/28 04:21 upstream 4e893b5aa4ac cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_openat
2023/05/11 05:07 upstream d295b66a7b66 0fbd49f4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/04/17 18:57 upstream 6a8f57ae2eb0 c6ec7083 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/04/10 08:49 upstream 09a9639e56c0 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/04/09 21:20 upstream cdc9718d5e59 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/04/05 13:11 upstream 76f598ba7d8e 831373d3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/03/29 05:00 upstream fcd476ea6a88 fc067f05 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/03/14 16:52 upstream fc89d7fb499b 0d5c4377 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in path_openat
2023/03/04 13:20 upstream 0988a0ea7919 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/02/21 14:58 upstream 89f5349e0673 f949448d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/02/20 00:44 upstream 925cf0457d7e bcdf85f8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/02/15 02:16 upstream e1c04510f521 e62ba3c1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/02/14 20:53 upstream f6feea56f66d de9aae38 .config console log report info ci-qemu-upstream WARNING in path_openat
2023/02/14 15:41 upstream f6feea56f66d 1d6b4af7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_openat
2023/02/14 09:31 upstream b408817d4884 93ae7e0a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in path_openat
2023/02/12 03:43 upstream d12aca5c0cee 93e26d60 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/02/06 08:58 upstream 4ec5183ec486 be607b78 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/02/02 18:53 upstream 9f266ccaa2f5 16d19e30 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/02/01 02:59 upstream 22b8077d0fce b68fb8d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/01/31 15:40 upstream 22b8077d0fce b68fb8d6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/01/28 12:12 upstream 5af6ce704936 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/01/28 01:11 upstream 83abd4d4c4be 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/01/27 07:27 upstream 7c46948a6e9c 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/01/24 10:26 upstream 7bf70dbb1882 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/01/23 08:45 upstream 2475bf0250de 44388686 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/01/21 12:43 upstream f883675bf652 559a440a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in path_openat
2023/01/20 16:15 upstream d368967cb103 559a440a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in path_openat
2023/01/19 11:34 upstream 7287904c8771 66fca3ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/01/18 08:52 upstream c1649ec55708 42660d9e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_openat
2023/01/18 00:47 upstream 6e50979a9c87 aedf5331 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in path_openat
2023/01/15 05:39 upstream 97ec4d559d93 a63719e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/01/13 10:40 upstream c757fc92a3f7 96166539 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/01/11 01:45 upstream 40c18f363a08 48bc529a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/01/09 18:59 upstream 1fe4fd6f5cad 1dac8c7a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/01/06 14:26 upstream 41c03ba9beea 1dac8c7a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/01/05 04:59 upstream 512dee0c00ad 1dac8c7a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/01/03 13:44 upstream 69b41ac87e4a f0036e18 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/01/02 00:24 upstream e4cf7c25bae5 ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2022/11/28 03:08 upstream cf562a45a0d5 f4470a7b .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2023/09/03 20:26 linux-next a47fc304d2b6 696ea0d2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in path_openat
2023/10/05 19:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2e530aeb342b db17ad9f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in path_openat
2023/09/07 11:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe4469582053 72324844 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in path_openat
2023/05/29 00:12 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci eb0f1697d729 cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in path_openat
* Struck through repros no longer work on HEAD.