watchdog: BUG: soft lockup - CPU#0 stuck for 156s! [syz.3.3983:22185]
Modules linked in:
irq event stamp: 2084921
hardirqs last  enabled at (2084920): [<ffffffff8187cf98>] handle_softirqs+0x158/0x840
hardirqs last disabled at (2084921): [<ffffffff8ba88bce>] sysvec_apic_timer_interrupt+0xe/0xc0
softirqs last  enabled at (6242): [<ffffffff8187d96a>] __irq_exit_rcu+0xca/0x220
softirqs last disabled at (2084919): [<ffffffff8187d96a>] __irq_exit_rcu+0xca/0x220
CPU: 0 UID: 0 PID: 22185 Comm: syz.3.3983 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 60 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: 00000000001fd038 RBX: 0000000000000008 RCX: 0000000080000100
RDX: 0000000000000003 RSI: ffffffff8dfa65b5 RDI: ffffffff8c28ade0
RBP: ffffffff8e60a0c0 R08: ffffffff9030adf7 R09: 1ffffffff20615be
R10: dffffc0000000000 R11: fffffbfff20615bf R12: 0000000000000000
R13: 0000000000000000 R14: ffff88810e778000 R15: dffffc0000000000
FS:  00007f17b3f1d6c0(0000) GS:ffff88818dc8d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000011194c000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 00000000000027f1 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 04 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 e6 69 00 4c 89 f8 48 c1 e8 03 48 b9 00 00
RSP: 0018:ffffc9000482ee50 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000006808 RCX: dffffc0000000000
RDX: ffffc90028d3b000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: 0000000000000000 R08: ffff8881106f8297 R09: 1ffff110220df052
R10: dffffc0000000000 R11: ffffed10220df053 R12: ffff8881106fa400
R13: 1ffff110220df480 R14: 0000000000000000 R15: ffff8881106fa428
 __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+0x4e0e/0x7910
 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: 0033:0x7f17b2f9cdd9
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:00007f17b3f1d028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f17b3215fa0 RCX: 00007f17b2f9cdd9
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 000000000000000b
RBP: 00007f17b3032d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f17b3216038 R14: 00007f17b3215fa0 R15: 00007ffe26ee6e78
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 22169 Comm: syz.4.3980 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_get_gdt+0x62/0x160
Code: 48 c1 e8 03 42 0f b6 04 38 84 c0 75 60 4c 89 f0 48 c1 e8 03 42 0f b6 04 38 84 c0 75 68 66 44 89 23 b8 16 68 00 00 41 0f 78 c4 <0f> 86 d3 00 00 00 e8 a3 c2 69 00 4c 8d 73 02 48 83 c3 09 4c 89 f0
RSP: 0018:ffffc9000491f098 EFLAGS: 00000202
RAX: 0000000000006816 RBX: ffffc9000491f100 RCX: 0000000000080000
RDX: ffffc9002913c000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc9000491f170 R08: ffff88816e914a00 R09: 0000000000000006
R10: 0000000000000014 R11: ffffffff814a3100 R12: 0000000000001000
R13: 0000000000000000 R14: ffffc9000491f101 R15: dffffc0000000000
FS:  00007f76fef946c0(0000) GS:ffff8882a928d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000115bb0000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 00000000000027f1 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 emulate_store_desc_ptr+0x25f/0x530
 x86_emulate_insn+0x868/0x43d0
 x86_emulate_instruction+0xef0/0x2100
 kvm_mmu_page_fault+0x91a/0xb70
 vmx_handle_exit+0xd70/0x16f0
 vcpu_run+0x4e0e/0x7910
 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: 0033:0x7f76fe19cdd9
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:00007f76fef94028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f76fe415fa0 RCX: 00007f76fe19cdd9
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000013
RBP: 00007f76fe232d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f76fe416038 R14: 00007f76fe415fa0 R15: 00007ffd4198fd28
 </TASK>
