watchdog: BUG: soft lockup - CPU#0 stuck for 205s! [syz.8.3048:22313]
Modules linked in:
irq event stamp: 2706661
hardirqs last  enabled at (2706660): [<ffffffff8187ef98>] handle_softirqs+0x158/0x840
hardirqs last disabled at (2706661): [<ffffffff8ba84bce>] sysvec_apic_timer_interrupt+0xe/0xc0
softirqs last  enabled at (7268): [<ffffffff8187f96a>] __irq_exit_rcu+0xca/0x220
softirqs last disabled at (2706659): [<ffffffff8187f96a>] __irq_exit_rcu+0xca/0x220
CPU: 0 UID: 0 PID: 22313 Comm: syz.8.3048 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 81 20 0a 65 66 c7 05 a5 10 b1 11 00 00 e8 08 08 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: 00000206
RAX: 0000000000294ce4 RBX: 0000000000000008 RCX: 0000000080000100
RDX: 0000000000000003 RSI: ffffffff8dfa5c57 RDI: ffffffff8c28ac60
RBP: ffffffff8e60a0c0 R08: ffffffff9030a7f7 R09: 1ffffffff20614fe
R10: dffffc0000000000 R11: fffffbfff20614ff R12: 0000000000000000
R13: 0000000000000000 R14: ffff8881b0c40000 R15: dffffc0000000000
FS:  00007f50640406c0(0000) GS:ffff88818dc90000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000111203000 CR4: 0000000000352ef0
DR0: 000000000000000b DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
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:vmx_read_guest_seg_base+0x384/0x580
Code: 48 8d 9b c4 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 21 fe 69 00 4c 89 f8 48 c1 e8 03 48 b9 00 00
RSP: 0018:ffffc90004ae6e70 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000006808 RCX: dffffc0000000000
RDX: ffffc90026ab3000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: 0000000000000000 R08: ffff8881146bac57 R09: 1ffff110228d758a
R10: dffffc0000000000 R11: ffffed10228d758b R12: ffff8881146bcd00
R13: 1ffff110228d79a0 R14: 0000000000000000 R15: ffff8881146bcd28
 __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: 0033:0x7f506319cdd9
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:00007f5064040028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f5063415fa0 RCX: 00007f506319cdd9
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005
RBP: 00007f5063232d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5063416038 R14: 00007f5063415fa0 R15: 00007ffcfe3fc248
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 22317 Comm: syz.8.3048 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 c4 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 21 fe 69 00 4c 89 f8 48 c1 e8 03 48 b9 00 00
RSP: 0018:ffffc900044bee70 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000006808 RCX: dffffc0000000000
RDX: ffffc900282b6000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: 0000000000000000 R08: ffff8881b0f32c57 R09: 1ffff110361e658a
R10: dffffc0000000000 R11: ffffed10361e658b R12: ffff8881b0f34d00
R13: 1ffff110361e69a0 R14: 0000000000000000 R15: ffff8881b0f34d28
FS:  00007f506401f6c0(0000) GS:ffff8882a9290000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000111203000 CR4: 0000000000352ef0
DR0: 000000000000000b DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
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: 0033:0x7f506319cdd9
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:00007f506401f028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f5063416090 RCX: 00007f506319cdd9
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 000000000000000c
RBP: 00007f5063232d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5063416128 R14: 00007f5063416090 R15: 00007ffcfe3fc248
 </TASK>
