syzbot


WARNING in retire_sysctl_set (2)

Status: closed as invalid on 2025/01/28 16:15
Subsystems: fs
[Documentation on labels]
First crash: 76d, last: 57d
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in retire_sysctl_set 1 1098d 1098d 0/1 auto-closed as invalid on 2022/06/25 23:00
upstream WARNING in retire_sysctl_set (3) fs 1 8d20h 4d20h 0/28 moderation: reported on 2025/02/23 07:50
upstream WARNING in retire_sysctl_set fs 1 838d 838d 0/28 closed as invalid on 2023/02/17 17:35

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 12 at fs/proc/proc_sysctl.c:1554 retire_sysctl_set+0x3d/0x50 fs/proc/proc_sysctl.c:1554
Modules linked in:
CPU: 1 UID: 0 PID: 12 Comm: kworker/u8:1 Not tainted 6.13.0-rc5-syzkaller-00006-g56e6a3499e14 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: netns cleanup_net
RIP: 0010:retire_sysctl_set+0x3d/0x50 fs/proc/proc_sysctl.c:1554
Code: 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 1e 48 8b 43 60 48 85 c0 75 06 5b e9 29 f0 61 ff e8 24 f0 61 ff 90 <0f> 0b 90 5b e9 1a f0 61 ff e8 65 60 c4 ff eb db 0f 1f 00 90 90 90
RSP: 0018:ffffc90000117bb0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888061a28290 RCX: 0000000000000001
RDX: ffff88801cac5a00 RSI: ffffffff82375f9c RDI: ffff888061a282f0
RBP: ffffffff8ad8f4b0 R08: 0000000000000001 R09: fffffbfff2d36d99
R10: ffffffff969b6ccf R11: 0000000000000b8f R12: ffffffff8ff78700
R13: ffffc90000117c38 R14: dffffc0000000000 R15: fffffbfff1fef0e4
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f91aa04ef98 CR3: 000000006e02e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ops_exit_list+0xb0/0x180 net/core/net_namespace.c:172
 cleanup_net+0x5b7/0xbd0 net/core/net_namespace.c:648
 process_one_work+0x958/0x1b30 kernel/workqueue.c:3229
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/01/01 20:44 upstream 56e6a3499e14 d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto WARNING in retire_sysctl_set
2024/12/27 12:07 upstream d6ef8b40d075 d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto WARNING in retire_sysctl_set
2024/12/13 16:55 upstream f932fb9b4074 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto WARNING in retire_sysctl_set
* Struck through repros no longer work on HEAD.