syzbot


net-next boot error: WARNING in kvm_wait

Status: closed as dup on 2021/03/09 06:59
Subsystems: kvm
[Documentation on labels]
Reported-by: syzbot+05a8c6cb8281f23c8915@syzkaller.appspotmail.com
First crash: 1179d, last: 1159d
Duplicate of
Title Repro Cause bisect Fix bisect Count Last Reported
upstream boot error: WARNING in kvm_wait kvm 233 1165d 1179d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] net-next boot error: WARNING in kvm_wait 1 (2) 2021/03/09 06:59

Sample crash report:
------------[ cut here ]------------
raw_local_irq_restore() called with IRQs enabled
WARNING: CPU: 1 PID: 42 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 kernel/locking/irqflag-debug.c:10
Modules linked in:
CPU: 1 PID: 42 Comm: kworker/u4:0 Not tainted 5.12.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 kernel/locking/irqflag-debug.c:10
Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d 0f e4 ab 04 00 74 01 c3 48 c7 c7 20 92 6b 89 c6 05 fe e3 ab 04 01 e8 8d d0 be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48
RSP: 0000:ffffc90000e7fc58 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffffffff8be28ae0 RCX: 0000000000000000
RDX: ffff8880118554c0 RSI: ffffffff815c3c85 RDI: fffff520001cff7d
RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff815bca1e R11: 0000000000000000 R12: 0000000000000003
R13: fffffbfff17c515c R14: 0000000000000001 R15: ffff8880b9d35f80
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000bc8e000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 kvm_wait arch/x86/kernel/kvm.c:860 [inline]
 kvm_wait+0xc9/0xe0 arch/x86/kernel/kvm.c:837
 pv_wait arch/x86/include/asm/paravirt.h:564 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x8b8/0xb40 kernel/locking/qspinlock.c:508
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:554 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
 do_raw_spin_lock+0x200/0x2b0 kernel/locking/spinlock_debug.c:113
 spin_lock include/linux/spinlock.h:354 [inline]
 check_stack_usage kernel/exit.c:715 [inline]
 do_exit+0x1d05/0x2a60 kernel/exit.c:868
 call_usermodehelper_exec_async+0x413/0x580 kernel/umh.c:123
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294

Crashes (21):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/03/25 17:31 net-next-old 84c7f6c33f42 6a383ecf .config console log report ci-upstream-net-kasan-gce net-next boot error: WARNING in kvm_wait
2021/03/25 15:37 net-next-old 84c7f6c33f42 607e3baf .config console log report ci-upstream-net-kasan-gce net-next boot error: WARNING in kvm_wait
2021/03/25 15:37 net-next-old 84c7f6c33f42 607e3baf .config console log report ci-upstream-net-kasan-gce net-next boot error: WARNING in kvm_wait
2021/03/24 19:01 net-next-old 5aa3afe107d9 607e3baf .config console log report ci-upstream-net-kasan-gce net-next boot error: WARNING in kvm_wait
2021/03/21 03:40 net-next-old a1e6f641e307 17810eae .config console log report ci-upstream-net-kasan-gce net-next boot error: WARNING in kvm_wait
2021/03/20 03:03 net-next-old d773b7957e4f 3d01c4de .config console log report ci-upstream-net-kasan-gce net-next boot error: WARNING in kvm_wait
2021/03/18 23:43 net-next-old 31222162557c 7216542e .config console log report ci-upstream-net-kasan-gce net-next boot error: WARNING in kvm_wait
2021/03/18 09:35 net-next-old a04be4b6b539 7216542e .config console log report ci-upstream-net-kasan-gce net-next boot error: WARNING in kvm_wait
2021/03/18 09:35 net-next-old a04be4b6b539 7216542e .config console log report ci-upstream-net-kasan-gce net-next boot error: WARNING in kvm_wait
2021/03/17 20:11 net-next-old 6ef4f40993e7 fdb2bb2c .config console log report ci-upstream-net-kasan-gce net-next boot error: WARNING in kvm_wait
2021/03/16 17:30 net-next-old 578ce0468f0b fdb2bb2c .config console log report ci-upstream-net-kasan-gce net-next boot error: WARNING in kvm_wait
2021/03/14 22:11 net-next-old 0f88e6f35b31 cc1cff8f .config console log report ci-upstream-net-kasan-gce net-next boot error: WARNING in kvm_wait
2021/03/13 22:52 net-next-old ebc71a380435 4a003785 .config console log report ci-upstream-net-kasan-gce net-next boot error: WARNING in kvm_wait
2021/03/13 00:53 net-next-old bfdfe7fc1bf9 429d8a6b .config console log report ci-upstream-net-kasan-gce net-next boot error: WARNING in kvm_wait
2021/03/13 00:53 net-next-old bfdfe7fc1bf9 429d8a6b .config console log report ci-upstream-net-kasan-gce net-next boot error: WARNING in kvm_wait
2021/03/12 11:27 net-next-old 8176f8c0f095 429d8a6b .config console log report ci-upstream-net-kasan-gce net-next boot error: WARNING in kvm_wait
2021/03/11 07:14 net-next-old 34bb97512641 c2ca1f2a .config console log report ci-upstream-net-kasan-gce net-next boot error: WARNING in kvm_wait
2021/03/11 07:14 net-next-old 34bb97512641 c2ca1f2a .config console log report ci-upstream-net-kasan-gce net-next boot error: WARNING in kvm_wait
2021/03/10 12:57 net-next-old 05a59d79793d 26967e35 .config console log report ci-upstream-net-kasan-gce net-next boot error: WARNING in kvm_wait
2021/03/09 19:46 net-next-old d310ec03a34e 26967e35 .config console log report ci-upstream-net-kasan-gce net-next boot error: WARNING in kvm_wait
2021/03/05 19:52 net-next-old d310ec03a34e 56722561 .config console log report ci-upstream-net-kasan-gce net-next boot error: WARNING in kvm_wait
* Struck through repros no longer work on HEAD.