watchdog: BUG: soft lockup - CPU#0 stuck for 278s! [syz.1.202:6535]
Modules linked in:
irq event stamp: 4089047
hardirqs last  enabled at (4089046): [<ffffffff8187df98>] handle_softirqs+0x158/0x840
hardirqs last disabled at (4089047): [<ffffffff8ba89bce>] sysvec_apic_timer_interrupt+0xe/0xc0
softirqs last  enabled at (4500): [<ffffffff8187e96a>] __irq_exit_rcu+0xca/0x220
softirqs last disabled at (4089045): [<ffffffff8187e96a>] __irq_exit_rcu+0xca/0x220
CPU: 0 UID: 0 PID: 6535 Comm: syz.1.202 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:handle_softirqs+0x160/0x840
Code: 89 6c 24 20 0f b7 db 48 c7 c7 20 1d cb 8b e8 d7 e1 20 0a 65 66 c7 05 a5 50 b1 11 00 00 e8 38 0b 46 00 fb 48 c7 c5 c0 a0 60 8e <b8> ff ff ff ff 0f bc c3 41 89 c6 41 ff c6 0f 84 09 04 00 00 89 5c
RSP: 0018:ffffc90000007f28 EFLAGS: 00000202
RAX: 00000000003e64d6 RBX: 0000000000000008 RCX: 0000000080000101
RDX: 0000000000000002 RSI: ffffffff8dfa6610 RDI: ffffffff8c28ade0
RBP: ffffffff8e60a0c0 R08: ffffffff9030adf7 R09: 1ffffffff20615be
R10: dffffc0000000000 R11: fffffbfff20615bf R12: 0000000000000000
R13: 0000000000000000 R14: ffff8881094ba500 R15: dffffc0000000000
FS:  00007f268a03f6c0(0000) GS:ffff88818dc8d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000175427000 CR4: 0000000000352ef0
Call Trace:
 <IRQ>
 __irq_exit_rcu+0xca/0x220
 irq_exit_rcu+0x9/0x30
 common_interrupt+0xbb/0xe0
 </IRQ>
 <TASK>
 asm_common_interrupt+0x26/0x40
RIP: 0010:vcpu_run+0x5a02/0x7860
Code: 4c 8b a4 24 28 01 00 00 4c 89 e3 48 c1 eb 03 42 0f b6 04 3b 84 c0 0f 85 1c 0b 00 00 41 c6 04 24 01 e8 d2 ee 85 00 fb 4c 89 f0 <48> c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 cb fe e8 00 49 ff 06
RSP: 0018:ffffc9000860f5e0 EFLAGS: 00000202
RAX: ffff88811a91c720 RBX: 1ffff110235236bf RCX: 0000000080000001
RDX: 0000000000000006 RSI: ffffffff8dfa6610 RDI: ffffffff8c28ade0
RBP: ffffc9000860f9b0 R08: ffffffff9030adf7 R09: 1ffffffff20615be
R10: dffffc0000000000 R11: fffffbfff20615bf R12: ffff88811a91b5fa
R13: ffff88811a91a9c0 R14: ffff88811a91c720 R15: dffffc0000000000
 kvm_arch_vcpu_ioctl_run+0x11e6/0x20d0
 kvm_vcpu_ioctl+0xa62/0xfd0
 __se_sys_ioctl+0xfc/0x170
 do_syscall_64+0x15f/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f268919cdd9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f268a03f028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f2689415fa0 RCX: 00007f268919cdd9
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000007
RBP: 00007f2689232d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2689416038 R14: 00007f2689415fa0 R15: 00007fff2826cb58
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 6529 Comm: syz.0.201 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:vmx_read_guest_seg_base+0x384/0x580
Code: 48 8d 9b 24 b1 c4 8b 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 0f 85 82 01 00 00 8b 1b 41 0f 78 de <0f> 86 d4 01 00 00 e8 51 f1 69 00 4c 89 f8 48 c1 e8 03 48 b9 00 00
RSP: 0018:ffffc9000866ee70 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000006808 RCX: dffffc0000000000
RDX: ffffc90008ef2000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: 0000000000000000 R08: ffff8881106d8297 R09: 1ffff110220db052
R10: dffffc0000000000 R11: ffffed10220db053 R12: ffff8881106da340
R13: 1ffff110220db468 R14: 0000000000000000 R15: ffff8881106da368
FS:  00007ffab5eb56c0(0000) GS:ffff8882a928d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000174548000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 __do_insn_fetch_bytes+0x38f/0x700
 x86_decode_insn+0x38e/0x5df0
 x86_emulate_instruction+0x64a/0x2100
 kvm_mmu_page_fault+0x91a/0xb70
 vmx_handle_exit+0xd70/0x16f0
 vcpu_run+0x5c77/0x7860
 kvm_arch_vcpu_ioctl_run+0x11e6/0x20d0
 kvm_vcpu_ioctl+0xa62/0xfd0
 __se_sys_ioctl+0xfc/0x170
 do_syscall_64+0x15f/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ffab4f9cdd9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffab5eb5028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffab5215fa0 RCX: 00007ffab4f9cdd9
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000006
RBP: 00007ffab5032d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffab5216038 R14: 00007ffab5215fa0 R15: 00007ffcf2b4a678
 </TASK>
