linux-kernel - [syzbot] bpf boot error: WARNING in kvm

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Message-ID: <0000000000004094ff05bcdc7ffb@google.com>
Date:   Sat, 06 Mar 2021 03:28:17 -0800
From:   syzbot <syzbot+46fc491326a456ff8127@...kaller.appspotmail.com>
To:     ast@...nel.org, daniel@...earbox.net, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: [syzbot] bpf boot error: WARNING in kvm_wait

Hello,

syzbot found the following issue on:

HEAD commit:    edbea922 veth: Store queue_mapping independently of XDP pr..
git tree:       bpf
console output: https://syzkaller.appspot.com/x/log.txt?x=113ae02ad00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=402784bff477e1ac
dashboard link: https://syzkaller.appspot.com/bug?extid=46fc491326a456ff8127

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+46fc491326a456ff8127@...kaller.appspotmail.com

------------[ cut here ]------------
raw_local_irq_restore() called with IRQs enabled
WARNING: CPU: 0 PID: 4787 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: 4787 Comm: systemd-getty-g Not tainted 5.11.0-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 1e 62 b0 04 00 74 01 c3 48 c7 c7 a0 8e 6b 89 c6 05 0d 62 b0 04 01 e8 57 da 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:ffffc900012efc40 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffffffff8be28b80 RCX: 0000000000000000
RDX: ffff888023de5340 RSI: ffffffff815bea35 RDI: fffff5200025df7a
RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff815b77be R11: 0000000000000000 R12: 0000000000000003
R13: fffffbfff17c5170 R14: 0000000000000001 R15: ffff8880b9c35f40
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa257bcaab4 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+0x1d6a/0x2ae0 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: 0033:0x7fa2592a3618
Code: Unable to access opcode bytes at RIP 0x7fa2592a35ee.
RSP: 002b:00007ffc579980b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa2592a3618
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00007fa2595808e0 R08: 00000000000000e7 R09: fffffffffffffee8
R10: 00007fa25775e158 R11: 0000000000000246 R12: 00007fa2595808e0
R13: 00007fa259585c20 R14: 0000000000000000 R15: 0000000000000000


---
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