syzbot


WARNING in __kthread_bind_mask (2)

Status: upstream: reported on 2024/04/24 04:32
Subsystems: kernel
[Documentation on labels]
Reported-by: syzbot+36466e0ea21862240631@syzkaller.appspotmail.com
First crash: 215d, last: 42d
Discussions (2)
Title Replies (including bot) Last reply
[syzbot] Monthly wireguard report (May 2024) 0 (1) 2024/05/02 12:38
[syzbot] [wireguard?] WARNING in __kthread_bind_mask (2) 0 (1) 2024/04/24 04:32
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in __kthread_bind_mask C done 2929 2038d 2048d 12/28 fixed on 2019/05/27 12:48

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5253 at kernel/kthread.c:525 __kthread_bind_mask+0x35/0xc0 kernel/kthread.c:525
Modules linked in:
CPU: 0 UID: 0 PID: 5253 Comm: syz-executor Not tainted 6.12.0-rc1-syzkaller-00381-g2a130b7e1fcd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__kthread_bind_mask+0x35/0xc0 kernel/kthread.c:525
Code: 48 89 fb e8 8d ab 34 00 89 ee 48 89 df e8 83 62 04 00 31 ff 48 89 c5 48 89 c6 e8 e6 ad 34 00 48 85 ed 75 14 e8 6c ab 34 00 90 <0f> 0b 90 5b 5d 41 5c 41 5d e9 5d ab 34 00 e8 58 ab 34 00 4c 8d ab
RSP: 0018:ffffc90004437ae0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88802f75da00 RCX: ffffffff8158d4ca
RDX: ffff88807d4c3c00 RSI: ffffffff8158d4d4 RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8b6b5028
R13: 0000000000000001 R14: 1ffff1100635123d R15: 0000000000000000
FS:  000055556151b500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9e4a508178 CR3: 000000005f716000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 __kthread_bind kernel/kthread.c:538 [inline]
 kthread_unpark+0x147/0x1a0 kernel/kthread.c:631
 kthread_stop+0x177/0x660 kernel/kthread.c:707
 destroy_workqueue+0x154/0xaa0 kernel/workqueue.c:5842
 gfs2_gl_hash_clear+0x4ab/0x740 fs/gfs2/glock.c:2253
 gfs2_put_super+0x4b1/0x750 fs/gfs2/super.c:650
 generic_shutdown_super+0x15f/0x3d0 fs/super.c:642
 kill_block_super+0x3b/0x90 fs/super.c:1696
 gfs2_kill_sb+0x369/0x420 fs/gfs2/ops_fstype.c:1793
 deactivate_locked_super+0xc1/0x1a0 fs/super.c:473
 deactivate_super+0xde/0x100 fs/super.c:506
 cleanup_mnt+0x222/0x450 fs/namespace.c:1373
 task_work_run+0x151/0x250 kernel/task_work.c:228
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x27b/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efdfcb7f327
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffe7413dc98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007efdfcb7f327
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe7413dd50
RBP: 00007ffe7413dd50 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe7413edd0
R13: 00007efdfcbf0134 R14: 000000000004f3af R15: 00007ffe7413ee10
 </TASK>

Crashes (33):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/10/06 21:42 upstream 2a130b7e1fcd d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in __kthread_bind_mask
2024/09/30 21:05 upstream 9852d85ec9d4 bbd4e0a4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in __kthread_bind_mask
2024/09/13 03:24 upstream b8e7cd09ae54 73e8a465 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in __kthread_bind_mask
2024/07/20 03:24 upstream d7e78951a8b8 b88348e9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in __kthread_bind_mask
2024/04/20 04:23 upstream 3cdb45594619 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in __kthread_bind_mask
2024/09/14 21:11 upstream 57719771a244 08d8a733 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/09/12 02:25 upstream 7c6a3a65ace7 d94c83d8 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/09/10 15:51 upstream bc83b4d1f086 e1ac59f4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/09/03 22:05 upstream 88fac17500f4 9d47f20a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/08/27 23:58 upstream 3ec3f5fc4a91 a1a7b2f0 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/08/27 15:45 upstream 3e9bff3bbe13 a1a7b2f0 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/08/27 03:28 upstream 5be63fc19fca 9aee4e0b .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/08/26 08:55 upstream 5be63fc19fca d7d32352 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/08/25 03:09 upstream d2bafcf224f3 d7d32352 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/08/21 19:48 upstream b311c1b497e5 db5852f9 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/08/21 13:50 upstream b311c1b497e5 db5852f9 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/08/21 04:04 upstream 521b1e7f4cf0 9f0ab3fb .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/08/20 09:54 upstream 6e4436539ae1 9f0ab3fb .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/08/17 14:27 upstream e5fa841af679 dbc93b08 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/08/15 17:25 upstream 1fb918967b56 e4bacdaf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/08/11 07:17 upstream 5189dafa4cf9 6f4edef4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/08/10 15:59 upstream 34ac1e82e5a7 6f4edef4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/08/06 03:58 upstream c813111d19e6 e1bdb00a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/08/06 03:18 upstream c813111d19e6 e1bdb00a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/08/06 01:57 upstream c813111d19e6 e1bdb00a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/08/03 20:14 upstream d3426a6ed9d8 1786a2a8 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/08/01 10:49 upstream 21b136cc63d2 1e9c4cf3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/07/31 12:18 upstream c91a7dee0555 6fde257d .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/07/31 12:07 upstream c91a7dee0555 6fde257d .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/07/31 12:00 upstream c91a7dee0555 6fde257d .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/07/31 07:00 upstream c91a7dee0555 6fde257d .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/07/25 15:27 upstream c33ffdb70cc6 466a14e5 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __kthread_bind_mask
2024/10/09 19:09 upstream 75b607fab38d 56fb2cb7 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in __kthread_bind_mask
* Struck through repros no longer work on HEAD.