syzbot


net boot error: WARNING in kvm_wait

Status: closed as dup on 2021/03/09 06:58
Subsystems: kvm
[Documentation on labels]
Reported-by: syzbot+9e58a3a510889fa4af50@syzkaller.appspotmail.com
First crash: 1237d, last: 1218d
Duplicate of
Title Repro Cause bisect Fix bisect Count Last Reported
upstream boot error: WARNING in kvm_wait kvm 233 1223d 1237d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] net boot error: WARNING in kvm_wait 1 (2) 2021/03/09 06:58

Sample crash report:
------------[ cut here ]------------
raw_local_irq_restore() called with IRQs enabled
WARNING: CPU: 0 PID: 4817 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 kernel/locking/irqflag-debug.c:10
Modules linked in:
CPU: 0 PID: 4817 Comm: selinux-autorel 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 42 07 ad 04 00 74 01 c3 48 c7 c7 20 92 6b 89 c6 05 31 07 ad 04 01 e8 6c d1 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: 0018:ffffc9000195fc40 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffffffff8be28ae0 RCX: 0000000000000000
RDX: ffff888023c68000 RSI: ffffffff815c3f65 RDI: fffff5200032bf7a
RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff815bccfe R11: 0000000000000000 R12: 0000000000000003
R13: fffffbfff17c515c R14: 0000000000000001 R15: ffff8880b9c35f40
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0926eb9b04 CR3: 000000000bc8e000 CR4: 00000000001506f0
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
 do_group_exit+0x125/0x310 kernel/exit.c:922
 __do_sys_exit_group kernel/exit.c:933 [inline]
 __se_sys_exit_group kernel/exit.c:931 [inline]
 __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:931
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f0926bd8618
Code: Unable to access opcode bytes at RIP 0x7f0926bd85ee.
RSP: 002b:00007ffdfd808298 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0926bd8618
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 000055d90ec146e0 R08: 00000000000000e7 R09: ffffffffffffff98
R10: 000055d90f74f6c0 R11: 0000000000000246 R12: 000055d90ec037a0
R13: 00007ffdfd808580 R14: 0000000000000000 R15: 0000000000000000

Crashes (17):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/03/24 20:29 net-old f51d7bf1dbe5 607e3baf .config console log report ci-upstream-net-this-kasan-gce net boot error: WARNING in kvm_wait
2021/03/24 20:29 net-old f51d7bf1dbe5 607e3baf .config console log report ci-upstream-net-this-kasan-gce net boot error: WARNING in kvm_wait
2021/03/23 15:28 net-old e0c755a45f6f e613994b .config console log report ci-upstream-net-this-kasan-gce net boot error: WARNING in kvm_wait
2021/03/23 10:06 net-old e0c755a45f6f 8092f30d .config console log report ci-upstream-net-this-kasan-gce net boot error: WARNING in kvm_wait
2021/03/23 10:06 net-old e0c755a45f6f 8092f30d .config console log report ci-upstream-net-this-kasan-gce net boot error: WARNING in kvm_wait
2021/03/21 03:59 net-old 87d77e59d1eb 17810eae .config console log report ci-upstream-net-this-kasan-gce net boot error: WARNING in kvm_wait
2021/03/20 03:43 net-old 5aa3c334a449 3d01c4de .config console log report ci-upstream-net-this-kasan-gce net boot error: WARNING in kvm_wait
2021/03/18 08:59 net-old e65eaded4cc4 7216542e .config console log report ci-upstream-net-this-kasan-gce net boot error: WARNING in kvm_wait
2021/03/18 01:10 net-old cb038357937e fdb2bb2c .config console log report ci-upstream-net-this-kasan-gce net boot error: WARNING in kvm_wait
2021/03/16 03:50 net-old 13832ae27553 fdb2bb2c .config console log report ci-upstream-net-this-kasan-gce net boot error: WARNING in kvm_wait
2021/03/15 11:56 net-old a25f82228542 cc1cff8f .config console log report ci-upstream-net-this-kasan-gce net boot error: WARNING in kvm_wait
2021/03/14 22:29 net-old 6577b9a551ae cc1cff8f .config console log report ci-upstream-net-this-kasan-gce net boot error: WARNING in kvm_wait
2021/03/13 23:10 net-old 3a9ef3e11c5d 4a003785 .config console log report ci-upstream-net-this-kasan-gce net boot error: WARNING in kvm_wait
2021/03/12 13:24 net-old 7a1468ba0e02 429d8a6b .config console log report ci-upstream-net-this-kasan-gce net boot error: WARNING in kvm_wait
2021/03/10 12:13 net-old 05a59d79793d 26967e35 .config console log report ci-upstream-net-this-kasan-gce net boot error: WARNING in kvm_wait
2021/03/09 00:16 net-old 29d98f54a4fe 09fbf400 .config console log report ci-upstream-net-this-kasan-gce net boot error: WARNING in kvm_wait
2021/03/05 23:49 net-old ad5d07f4a9cd 56722561 .config console log report ci-upstream-net-this-kasan-gce net boot error: WARNING in kvm_wait
* Struck through repros no longer work on HEAD.