syzbot


BUG: scheduling while atomic in vhost_worker

Status: premoderation: reported on 2024/05/12 16:21
Reported-by: syzbot+dfacb72218a763fdf6c8@syzkaller.appspotmail.com
First crash: 73d, last: 73d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-6-1 BUG: scheduling while atomic in vhost_worker 1 86d 86d 0/2 premoderation: reported on 2024/04/30 00:44

Sample crash report:
BUG: scheduling while atomic: vhost-6545/6546/0x00000002
Modules linked in:
Preemption disabled at:
[<ffffffff81b19a2b>] ___slab_alloc+0x3ab/0x830 mm/slub.c:3029
CPU: 0 PID: 6546 Comm: vhost-6545 Tainted: G        W         5.15.149-syzkaller-00490-g5d96939590c0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
 dump_stack+0x15/0x17 lib/dump_stack.c:113
 __schedule_bug+0x195/0x260 kernel/sched/core.c:5707
 schedule_debug kernel/sched/core.c:5734 [inline]
 __schedule+0xd19/0x1590 kernel/sched/core.c:6402
 schedule+0x11f/0x1e0 kernel/sched/core.c:6595
 vhost_worker+0x1f8/0x2d0 drivers/vhost/vhost.c:375
 kthread+0x421/0x510 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/05/12 16:20 android13-5.15-lts 5d96939590c0 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: scheduling while atomic in vhost_worker
* Struck through repros no longer work on HEAD.