syzbot


BUG: scheduling while atomic in vhost_worker

Status: premoderation: reported on 2024/04/30 00:44
Reported-by: syzbot+3baa75e0302ff8a77a35@syzkaller.appspotmail.com
First crash: 49d, last: 49d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-15 BUG: scheduling while atomic in vhost_worker 1 37d 37d 0/2 premoderation: reported on 2024/05/12 16:21

Sample crash report:
BUG: scheduling while atomic: vhost-407/410/0x00000002
Modules linked in:
Preemption disabled at:
[<ffffffff8145ef61>] irq_enter_rcu+0x11/0x80 kernel/softirq.c:659
CPU: 1 PID: 410 Comm: vhost-407 Tainted: G        W          6.1.75-syzkaller-00074-g4744b3a4ed72 #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+0x15/0x1b lib/dump_stack.c:113
 __schedule_bug+0x195/0x260 kernel/sched/core.c:5960
 schedule_debug kernel/sched/core.c:5987 [inline]
 __schedule+0xcf7/0x1550 kernel/sched/core.c:6622
 schedule+0xc3/0x180 kernel/sched/core.c:6805
 vhost_worker+0x1f8/0x2d0 drivers/vhost/vhost.c:367
 kthread+0x26d/0x300 kernel/kthread.c:386
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/04/30 00:43 android14-6.1 4744b3a4ed72 f10afd69 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in vhost_worker
* Struck through repros no longer work on HEAD.