syzbot


WARNING in inc_nlink (3)

Status: upstream: reported C repro on 2022/03/17 16:37
Subsystems: jfs
[Documentation on labels]
Reported-by: syzbot+2b3af42c0644df1e4da9@syzkaller.appspotmail.com
First crash: 801d, last: 3h25m
Cause bisection: failed (error log, bisect log)
  
Fix bisection: failed (error log, bisect log)
  
Discussions (15)
Title Replies (including bot) Last reply
[syzbot] Monthly jfs report (May 2024) 0 (1) 2024/05/08 14:26
[syzbot] Monthly jfs report (Apr 2024) 0 (1) 2024/04/08 08:30
[syzbot] Monthly jfs report (Feb 2024) 0 (1) 2024/02/04 13:30
[syzbot] Monthly jfs report (Jan 2024) 0 (1) 2024/01/04 12:38
[syzbot] Monthly v9fs report (Nov 2023) 0 (1) 2023/11/22 09:42
[syzbot] Monthly jfs report (Nov 2023) 0 (1) 2023/11/03 10:22
[syzbot] Monthly v9fs report (Oct 2023) 0 (1) 2023/10/11 14:38
[syzbot] Monthly v9fs report (Sep 2023) 0 (1) 2023/09/11 08:39
[syzbot] Monthly v9fs report (Aug 2023) 0 (1) 2023/08/09 12:33
[syzbot] Monthly 9p report (Jul 2023) 0 (1) 2023/07/10 09:36
[syzbot] Monthly 9p report (Jun 2023) 0 (1) 2023/06/07 13:47
[syzbot] Monthly 9p report (May 2023) 0 (1) 2023/05/07 06:35
[syzbot] Monthly 9p report 0 (1) 2023/04/06 08:17
Re: [syzbot] WARNING in inc_nlink (3) 1 (1) 2022/03/18 15:29
[syzbot] WARNING in inc_nlink (3) 0 (1) 2022/03/17 16:37
Similar bugs (9)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in inc_nlink (2) C error 102 542d 1298d 0/1 upstream: reported C repro on 2020/11/01 15:25
linux-5.15 WARNING in inc_nlink origin:lts-only C done 17 4d17h 429d 0/3 upstream: reported C repro on 2023/03/20 05:26
upstream WARNING in inc_nlink (2) fs C inconclusive done 21 806d 1143d 20/26 fixed on 2022/03/08 16:11
linux-6.1 WARNING in inc_nlink 81 386d 408d 0/3 auto-obsoleted due to no activity on 2023/07/31 15:23
linux-4.19 WARNING in inc_nlink C done 8 1372d 1521d 1/1 fixed on 2020/09/18 07:23
linux-4.14 WARNING in inc_nlink C done 21 1380d 1522d 1/1 fixed on 2020/09/11 09:49
linux-4.14 WARNING in inc_nlink (2) C 47 458d 1293d 0/1 upstream: reported C repro on 2020/11/06 09:55
upstream WARNING in inc_nlink C done 26 1410d 1513d 15/26 fixed on 2020/09/16 22:51
linux-6.1 WARNING in inc_nlink (2) origin:upstream C 26 6h29m 146d 0/3 upstream: reported C repro on 2023/12/28 21:17
Last patch testing requests (12)
Created Duration User Patch Repo Result
2024/04/02 15:51 15m retest repro upstream report log
2024/03/04 20:33 25m retest repro upstream OK log
2024/03/04 10:02 1h07m retest repro upstream OK log
2024/03/04 08:54 18m retest repro upstream OK log
2024/02/10 18:22 16m retest repro linux-next report log
2023/12/21 13:19 2h35m retest repro upstream report log
2023/12/07 11:47 1h24m retest repro upstream report log
2023/12/07 11:38 12m retest repro upstream report log
2023/09/23 17:30 20m retest repro linux-next OK log
2023/09/23 17:30 19m retest repro linux-next OK log
2022/03/18 15:10 14m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/ aad611a868d1 OK
2022/03/18 13:43 22m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/ aad611a868d1 error OK
Fix bisection attempts (3)
Created Duration User Patch Repo Result
2023/03/17 12:09 8h04m bisect fix upstream error job log (0)
2023/02/15 11:45 23m bisect fix upstream job log (0) log
2022/11/06 04:00 21m bisect fix upstream job log (0) log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5061 at fs/inode.c:389 inc_nlink+0x129/0x140 fs/inode.c:389
Modules linked in:
CPU: 1 PID: 5061 Comm: syz-executor332 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:inc_nlink+0x129/0x140 fs/inode.c:389
Code: ff e9 33 ff ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 45 ff ff ff 4c 89 ef e8 22 94 e7 ff e9 38 ff ff ff e8 48 93 87 ff 90 <0f> 0b 90 e9 7b ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00
RSP: 0018:ffffc900042a7d30 EFLAGS: 00010293
RAX: ffffffff820d6108 RBX: 1ffff1100ec94010 RCX: ffff888023be3c00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff820d6082 R09: 0000000000000000
R10: ffffc900042a7ca8 R11: ffffffff82b9dc60 R12: dffffc0000000000
R13: ffff8880764a0080 R14: ffff8880764a0038 R15: 0000000000000000
FS:  00007f87355756c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9de79a5bd0 CR3: 000000007e374000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 inode_inc_link_count include/linux/fs.h:2433 [inline]
 sysv_mkdir+0x21/0x130 fs/sysv/namei.c:119
 vfs_mkdir+0x2f9/0x4b0 fs/namei.c:4126
 do_mkdirat+0x264/0x3a0 fs/namei.c:4149
 __do_sys_mkdir fs/namei.c:4169 [inline]
 __se_sys_mkdir fs/namei.c:4167 [inline]
 __x64_sys_mkdir+0x6e/0x80 fs/namei.c:4167
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f87355bd487
Code: ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 53 00 00 00 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:00007f8735575058 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f87355bd487
RDX: 0000000000000000 RSI: 00000000000001ff RDI: 00000000200016c0
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000200016c0
R13: 00007f87355750f0 R14: 0000000000000000 R15: 0000000000000000
 </TASK>

Crashes (974):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/03/19 15:46 upstream fe46a7dd189e e104824c .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in inc_nlink
2024/03/19 14:22 upstream fe46a7dd189e baa80228 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root WARNING in inc_nlink
2024/03/11 03:08 upstream 137e0ec05aeb 6ee49f2e .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root WARNING in inc_nlink
2024/03/08 02:21 upstream 135288b73cef cf82cde1 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-qemu-upstream WARNING in inc_nlink
2024/01/16 01:59 linux-next 8d04a7e2ee3f 2a7bcc7f .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root WARNING in inc_nlink
2024/04/16 03:00 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci b5d2afe8745b 0d592ce4 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 WARNING in inc_nlink
2023/11/23 11:09 upstream 9b6de136b5f0 03e12510 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-badwrites-root WARNING in inc_nlink
2023/11/15 22:37 upstream c42d9eeef8e5 cb976f63 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root WARNING in inc_nlink
2023/08/21 02:40 upstream 706a74159504 d216d8a0 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in inc_nlink
2022/09/25 09:32 upstream 1a61b828566f 0042f2b4 .config strace log report syz C [disk image] [vmlinux] ci-upstream-kasan-gce-selinux-root WARNING in inc_nlink
2022/08/15 08:54 upstream 7ebfc85e2cd7 8dfcaa3d .config strace log report syz C ci-upstream-kasan-gce-selinux-root WARNING in inc_nlink
2022/08/15 07:19 upstream 7ebfc85e2cd7 8dfcaa3d .config strace log report syz C ci-upstream-kasan-gce-selinux-root WARNING in inc_nlink
2022/08/15 06:47 upstream 7ebfc85e2cd7 8dfcaa3d .config strace log report syz C ci-upstream-kasan-gce-selinux-root WARNING in inc_nlink
2022/07/20 15:16 upstream ca85855bdcae 775344bc .config strace log report syz C ci-upstream-kasan-gce-smack-root WARNING in inc_nlink
2022/07/20 14:46 upstream ca85855bdcae 775344bc .config strace log report syz C ci-upstream-kasan-gce-smack-root WARNING in inc_nlink
2022/07/20 14:15 upstream ca85855bdcae 775344bc .config strace log report syz C ci-upstream-kasan-gce-smack-root WARNING in inc_nlink
2022/07/09 14:27 upstream e5524c2a1fc4 b5765a15 .config strace log report syz C ci-upstream-kasan-gce-root WARNING in inc_nlink
2022/06/02 04:39 upstream 8171acb8bc9b b4bc6a3d .config strace log report syz C ci-upstream-kasan-gce-root WARNING in inc_nlink
2022/06/02 04:18 upstream 8171acb8bc9b b4bc6a3d .config strace log report syz C ci-upstream-kasan-gce-root WARNING in inc_nlink
2022/03/13 16:54 upstream aad611a868d1 9e8eaa75 .config console log report syz C ci-upstream-kasan-gce-root WARNING in inc_nlink
2022/03/13 16:56 upstream aad611a868d1 9e8eaa75 .config console log report syz C ci-qemu-upstream WARNING in inc_nlink
2022/07/13 21:59 linux-next cb71b93c2dc3 5d921b08 .config strace log report syz C ci-upstream-linux-next-kasan-gce-root WARNING in inc_nlink
2022/07/13 21:30 linux-next cb71b93c2dc3 5d921b08 .config strace log report syz C ci-upstream-linux-next-kasan-gce-root WARNING in inc_nlink
2022/03/13 17:07 linux-next 91265a6da44d 9e8eaa75 .config console log report syz C ci-upstream-linux-next-kasan-gce-root WARNING in inc_nlink
2024/05/22 18:51 upstream 8f6a15f095a6 4d098039 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in inc_nlink
2024/05/22 16:55 upstream 8f6a15f095a6 4d098039 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in inc_nlink
2024/05/21 18:07 upstream 8f6a15f095a6 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in inc_nlink
2024/05/21 16:50 upstream 8f6a15f095a6 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in inc_nlink
2024/05/21 13:55 upstream 8f6a15f095a6 c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in inc_nlink
2024/05/21 03:50 upstream 1b0361620970 c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in inc_nlink
2024/05/21 01:38 upstream 1b0361620970 c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in inc_nlink
2024/05/21 01:05 upstream 72ece20127a3 c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in inc_nlink
2024/05/20 22:54 upstream 72ece20127a3 c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in inc_nlink
2024/05/20 17:13 upstream eb6a9339efeb c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in inc_nlink
2024/05/20 13:39 upstream eb6a9339efeb c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in inc_nlink
2024/05/20 12:15 upstream eb6a9339efeb c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in inc_nlink
2024/05/20 10:48 upstream eb6a9339efeb c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in inc_nlink
2024/05/20 10:44 upstream eb6a9339efeb c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in inc_nlink
2024/05/19 19:13 upstream 0450d2083be6 c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in inc_nlink
2024/05/19 08:45 upstream 0450d2083be6 c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in inc_nlink
2024/05/19 07:29 upstream 0450d2083be6 c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in inc_nlink
2024/05/19 06:24 upstream 0450d2083be6 c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in inc_nlink
2024/05/19 04:59 upstream 0450d2083be6 c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in inc_nlink
2024/05/19 00:55 upstream 4b377b4868ef c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in inc_nlink
2024/05/18 14:37 upstream 4b377b4868ef c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in inc_nlink
2024/05/18 12:39 upstream ff2632d7d08e c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in inc_nlink
2024/05/18 12:36 upstream ff2632d7d08e c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in inc_nlink
2024/05/18 05:13 upstream 7ee332c9f12b c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in inc_nlink
2024/05/18 04:12 upstream 7ee332c9f12b c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in inc_nlink
2024/05/18 01:30 upstream 7ee332c9f12b c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in inc_nlink
2024/05/17 22:18 upstream ea5f6ad9ad96 a12e99e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in inc_nlink
2024/05/17 18:07 upstream ea5f6ad9ad96 a12e99e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in inc_nlink
2024/05/17 16:51 upstream ea5f6ad9ad96 a12e99e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in inc_nlink
2024/05/16 23:14 upstream ea5f6ad9ad96 c2e07261 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in inc_nlink
2024/05/16 20:00 upstream 3c999d1ae3c7 ef5d53ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in inc_nlink
2024/05/18 22:33 upstream 0cc6f45cecb4 c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in inc_nlink
2024/05/19 12:29 upstream 0450d2083be6 c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in inc_nlink
2024/05/19 10:50 upstream 0450d2083be6 c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in inc_nlink
2024/05/18 18:47 upstream 4b377b4868ef c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in inc_nlink
2024/05/18 17:36 upstream 4b377b4868ef c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in inc_nlink
2024/05/18 16:43 upstream 4b377b4868ef c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in inc_nlink
2024/05/18 15:39 upstream 4b377b4868ef c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in inc_nlink
2024/05/18 02:45 upstream ff2632d7d08e c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in inc_nlink
2024/05/17 21:33 upstream ff2632d7d08e c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in inc_nlink
2024/05/17 20:21 upstream ff2632d7d08e c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in inc_nlink
2024/05/17 13:58 upstream ea5f6ad9ad96 c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in inc_nlink
2024/05/17 07:23 upstream ea5f6ad9ad96 c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in inc_nlink
2024/05/17 05:22 upstream ea5f6ad9ad96 c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in inc_nlink
2024/05/16 18:15 upstream 3c999d1ae3c7 ad5321c6 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in inc_nlink
2024/05/16 17:01 upstream 3c999d1ae3c7 ad5321c6 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in inc_nlink
2022/03/13 16:34 upstream aad611a868d1 9e8eaa75 .config console log report info ci-upstream-kasan-gce-root WARNING in inc_nlink
2024/05/20 08:17 linux-next 632483ea8004 c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in inc_nlink
2024/05/20 06:32 linux-next 632483ea8004 c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in inc_nlink
2024/05/17 18:41 linux-next c75962170e49 a12e99e7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in inc_nlink
2024/05/17 01:40 linux-next dbd9e2e056d8 c2e07261 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in inc_nlink
2024/05/17 01:00 linux-next dbd9e2e056d8 c2e07261 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in inc_nlink
2024/05/15 14:31 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c fdb4c10c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inc_nlink
* Struck through repros no longer work on HEAD.