kvm: pic: non byte write
kvm: pic: single mode not supported
watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor7:4346]
Modules linked in:
irq event stamp: 52026
hardirqs last  enabled at (52025): [<ffffffff84d490eb>] restore_regs_and_iret+0x0/0x1d
hardirqs last disabled at (52026): [<ffffffff84d4a0c8>] apic_timer_interrupt+0x98/0xb0 arch/x86/entry/entry_64.S:770
softirqs last  enabled at (2298): [<ffffffff84d4fec3>] __do_softirq+0x733/0xbb2 kernel/softirq.c:310
softirqs last disabled at (2281): [<ffffffff81415d83>] invoke_softirq kernel/softirq.c:364 [inline]
softirqs last disabled at (2281): [<ffffffff81415d83>] irq_exit+0x1d3/0x210 kernel/softirq.c:405
CPU: 1 PID: 4346 Comm: syz-executor7 Not tainted 4.14.0-rc2+ #105
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801cf132500 task.stack: ffff8801ce988000
RIP: 0010:rep_nop arch/x86/include/asm/processor.h:634 [inline]
RIP: 0010:cpu_relax arch/x86/include/asm/processor.h:639 [inline]
RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline]
RIP: 0010:smp_call_function_single+0x364/0x560 kernel/smp.c:302
RSP: 0018:ffff8801ce98eea0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
RAX: 0000000000010000 RBX: 1ffff10039d31ddc RCX: ffffc90002642000
RDX: 0000000000010000 RSI: ffffffff8162e822 RDI: ffff8801ce98ef98
RBP: ffff8801ce98eff0 R08: fffffbffffeaf18c R09: 0000000000000000
R10: ffff8801ce98f020 R11: 0000000000000000 R12: ffff8801ce98ef98
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffed0039d31de8
FS:  00007efe24da7700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002001d000 CR3: 00000001d5583000 CR4: 00000000001426e0
DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 smp_call_function_many+0x773/0x930 kernel/smp.c:434
 smp_call_function kernel/smp.c:492 [inline]
 on_each_cpu+0x3d/0x1b0 kernel/smp.c:602
 text_poke_bp+0x107/0x170 arch/x86/kernel/alternative.c:825
 __jump_label_transform.isra.0+0x6a5/0x8a0 arch/x86/kernel/jump_label.c:101
 arch_jump_label_transform+0x2f/0x40 arch/x86/kernel/jump_label.c:109
 __jump_label_update+0x207/0x2d0 kernel/jump_label.c:368
 jump_label_update+0x22c/0x2b0 kernel/jump_label.c:735
 static_key_slow_inc_cpuslocked kernel/jump_label.c:109 [inline]
 static_key_slow_inc+0x32f/0x3c0 kernel/jump_label.c:124
 kvm_arch_vcpu_init+0x341/0x930 arch/x86/kvm/x86.c:8009
 kvm_vcpu_init+0x2f9/0x400 arch/x86/kvm/../../../virt/kvm/kvm_main.c:294
 vmx_create_vcpu+0x133/0x2ec0 arch/x86/kvm/vmx.c:9529
 kvm_arch_vcpu_create+0x12c/0x1a0 arch/x86/kvm/x86.c:7716
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2439 [inline]
 kvm_vm_ioctl+0x469/0x1c40 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2943
 vfs_ioctl fs/ioctl.c:45 [inline]
 do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:685
 SYSC_ioctl fs/ioctl.c:700 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:691
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x4520a9
RSP: 002b:00007efe24da6c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 00000000004520a9
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000018
RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000216 R12: 00000000004b7c6c
R13: 00000000ffffffff R14: ffffffffffffffff R15: 0000000000000021
Code: 00 00 00 fc ff df 44 89 bd 50 ff ff ff 48 c1 e8 03 4c 01 e8 41 83 e7 01 c6 00 f8 74 4e 49 89 c7 49 83 c4 18 e8 ce f6 0a 00 f3 90 <4c> 89 e2 41 c6 07 04 48 c1 ea 03 42 0f b6 14 2a 84 d2 74 09 80