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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: 775d, last: 16h46m
Cause bisection: failed (error log, bisect log)
  
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Discussions (14)
Title Replies (including bot) Last reply
[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 516d 1272d 0/1 upstream: reported C repro on 2020/11/01 15:25
linux-5.15 WARNING in inc_nlink origin:lts-only C done 11 8d19h 403d 0/3 upstream: reported C repro on 2023/03/20 05:26
upstream WARNING in inc_nlink (2) fs C inconclusive done 21 780d 1117d 20/26 fixed on 2022/03/08 16:11
linux-6.1 WARNING in inc_nlink 81 360d 382d 0/3 auto-obsoleted due to no activity on 2023/07/31 15:23
linux-4.19 WARNING in inc_nlink C done 8 1346d 1495d 1/1 fixed on 2020/09/18 07:23
linux-4.14 WARNING in inc_nlink C done 21 1354d 1496d 1/1 fixed on 2020/09/11 09:49
linux-4.14 WARNING in inc_nlink (2) C 47 432d 1267d 0/1 upstream: reported C repro on 2020/11/06 09:55
upstream WARNING in inc_nlink C done 26 1384d 1487d 15/26 fixed on 2020/09/16 22:51
linux-6.1 WARNING in inc_nlink (2) origin:upstream C 6 11d 120d 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 (665):
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
2024/04/23 23:49 upstream 9d1ddab261f3 21339d7b .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in inc_nlink
2024/04/23 15:44 upstream 71b1543c83d6 21339d7b .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in inc_nlink
2024/04/22 18:25 upstream ed30a4a51bb1 36c961ad .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in inc_nlink
2024/04/22 09:30 upstream 48cf398f15fc af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in inc_nlink
2024/04/22 05:13 upstream 48cf398f15fc af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in inc_nlink
2024/04/21 16:59 upstream 977b1ef51866 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in inc_nlink
2024/04/20 19:30 upstream 13a2e429f644 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in inc_nlink
2024/04/10 13:13 upstream fe46a7dd189e 4320ec32 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in inc_nlink
2024/04/03 07:58 upstream fe46a7dd189e 7925100d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in inc_nlink
2024/04/26 05:52 upstream e33c4963bf53 8bdc0f22 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in inc_nlink
2024/04/25 21:49 upstream e33c4963bf53 8bdc0f22 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in inc_nlink
2024/04/25 02:50 upstream e88c4cfcb7b8 a604cf37 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in inc_nlink
2024/04/24 08:03 upstream 9d1ddab261f3 21339d7b .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in inc_nlink
2024/04/22 13:31 upstream ed30a4a51bb1 36c961ad .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in inc_nlink
2024/04/21 12:01 upstream 977b1ef51866 af24b050 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in inc_nlink
2024/04/19 21:37 upstream dbe0a7be2838 af24b050 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in inc_nlink
2024/04/12 01:32 upstream 00dcf5d862e8 27de0a5c .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in inc_nlink
2024/04/10 11:48 upstream 2c71fdf02a95 bb5e6c0f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in inc_nlink
2024/04/09 19:55 upstream 20cb38a7af88 56086b24 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in inc_nlink
2024/04/09 03:20 upstream fec50db7033e f3234354 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in inc_nlink
2024/04/07 12:45 upstream f2f80ac80987 ca620dd8 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in inc_nlink
2024/04/26 04:35 upstream e33c4963bf53 8bdc0f22 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in inc_nlink
2024/04/25 08:43 upstream e88c4cfcb7b8 8bdc0f22 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in inc_nlink
2024/04/25 01:55 upstream e88c4cfcb7b8 a604cf37 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in inc_nlink
2024/04/23 09:26 upstream a2c63a3f3d68 21339d7b .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in inc_nlink
2024/04/22 16:03 upstream ed30a4a51bb1 36c961ad .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in inc_nlink
2024/04/20 23:05 upstream 977b1ef51866 af24b050 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in inc_nlink
2024/04/20 15:16 upstream 13a2e429f644 af24b050 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in inc_nlink
2024/04/20 13:34 upstream 13a2e429f644 af24b050 .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
2024/04/24 10:40 linux-next 7b4f2bc91c15 21339d7b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in inc_nlink
2024/04/17 08:06 linux-next 4eab35893071 18f6e127 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in inc_nlink
2024/04/17 05:39 linux-next 66e4190e92ce 18f6e127 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in inc_nlink
2024/04/16 21:10 linux-next 66e4190e92ce 18f6e127 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in inc_nlink
2024/04/16 16:05 linux-next 66e4190e92ce 0d592ce4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in inc_nlink
2024/04/16 09:43 linux-next 66e4190e92ce 0d592ce4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in inc_nlink
2024/04/15 21:07 linux-next 6bd343537461 0d592ce4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in inc_nlink
2024/04/19 11:44 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci b5d2afe8745b af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inc_nlink
2024/04/18 19:59 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci b5d2afe8745b af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inc_nlink
2024/04/18 13:28 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci b5d2afe8745b af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inc_nlink
2024/04/16 19:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci b5d2afe8745b 0d592ce4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inc_nlink
2024/04/16 17:35 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci b5d2afe8745b 0d592ce4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inc_nlink
2024/04/16 07:47 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci b5d2afe8745b 0d592ce4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inc_nlink
2024/04/16 02:38 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci b5d2afe8745b 0d592ce4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inc_nlink
2024/04/15 13:54 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci b5d2afe8745b c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inc_nlink
2024/04/12 09:11 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fec50db7033e 27de0a5c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inc_nlink
2024/04/03 03:06 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 707081b61156 7925100d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inc_nlink
2024/02/19 08:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 905b00721763 578f7538 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inc_nlink
2024/01/27 11:00 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 0802e17d9aca cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inc_nlink
2024/01/24 17:08 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 0802e17d9aca 1e153dc8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inc_nlink
2024/01/24 05:08 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 0802e17d9aca 1e153dc8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in inc_nlink
2024/01/23 00:58 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 0802e17d9aca 1c0ecc51 .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.