./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3341297362
<...>
Warning: Permanently added '10.128.10.32' (ED25519) to the list of known hosts.
execve("./syz-executor3341297362", ["./syz-executor3341297362"], 0x7ffeebf76720 /* 10 vars */) = 0
brk(NULL) = 0x5555839f0000
brk(0x5555839f0d00) = 0x5555839f0d00
arch_prctl(ARCH_SET_FS, 0x5555839f0380) = 0
set_tid_address(0x5555839f0650) = 5840
set_robust_list(0x5555839f0660, 24) = 0
rseq(0x5555839f0ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3341297362", 4096) = 28
getrandom("\x38\xe3\x24\x98\x38\x2f\x0b\x7a", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x5555839f0d00
brk(0x555583a11d00) = 0x555583a11d00
brk(0x555583a12000) = 0x555583a12000
mprotect(0x7f79533dd000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
executing program
write(1, "executing program\n", 18) = 18
openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_TRUNC|O_NOATIME) = 3
ioctl(3, KVM_CREATE_VM, 0) = 4
ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0
ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=0, flags=0, guest_phys_addr=0, memory_size=40960, userspace_addr=0x200000bff000}) = 0
ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=1, flags=0, guest_phys_addr=0x30000, memory_size=40960, userspace_addr=0x200000c09000}) = 0
[ 91.508026][ T5840] kvm_intel: L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details.
ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=2, flags=KVM_MEM_LOG_DIRTY_PAGES, guest_phys_addr=0x41000, memory_size=8192, userspace_addr=0x200000c13000}) = 0
ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=3, flags=KVM_MEM_READONLY, guest_phys_addr=0x50000, memory_size=16384, userspace_addr=0x200000c15000}) = 0
ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=4, flags=KVM_MEM_READONLY, guest_phys_addr=0x54000, memory_size=16384, userspace_addr=0x200000c19000}) = 0
ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=5, flags=0, guest_phys_addr=0x58000, memory_size=4096, userspace_addr=0x200000c1d000}) = 0
ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=6, flags=0, guest_phys_addr=0xfec00000, memory_size=4096, userspace_addr=0x200000c1e000}) = 0
ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=7, flags=0, guest_phys_addr=0x200000, memory_size=4063232, userspace_addr=0x200000c1f000}) = 0
ioctl(4, KVM_CREATE_VCPU, 0) = 5
ioctl(5, KVM_GET_SREGS, {cs={base=0xffff0000, limit=65535, selector=61440, type=11, present=1, dpl=0, db=0, s=1, l=0, g=0, avl=0}, ...}) = 0
ioctl(5, KVM_SET_SREGS, {cs={base=0, limit=4294967295, selector=80, type=11, present=1, dpl=0, db=0, s=1, l=1, g=1, avl=0}, ...}) = 0
openat(AT_FDCWD, "/dev/kvm", O_RDWR) = 6
ioctl(6, KVM_GET_SUPPORTED_CPUID, {nent=31, entries=[...]}) = 0
ioctl(5, KVM_SET_CPUID2, {nent=31, entries=[...]}) = 0
close(6) = 0
ioctl(5, KVM_SET_REGS, {rax=0, ..., rsp=0xf80, rbp=0, ..., rip=0x54030, rflags=0x2}) = 0
ioctl(5, KVM_SET_MP_STATE, 0x200000000000) = 0
ioctl(5, KVM_SET_NESTED_STATE, 0x200000000a80) = -1 EINVAL (Invalid argument)
ioctl(5, KVM_SET_GUEST_DEBUG, 0x200000000080) = 0
[ 91.608277][ T5840] ------------[ cut here ]------------
[ 91.613961][ T5840] WARNING: CPU: 1 PID: 5840 at arch/x86/kvm/lapic.c:3407 kvm_apic_accept_events+0x341/0x490
[ 91.624689][ T5840] Modules linked in:
[ 91.629001][ T5840] CPU: 1 UID: 0 PID: 5840 Comm: syz-executor334 Not tainted 6.15.0-syzkaller-12058-g64980441d269 #0 PREEMPT(full)
[ 91.641468][ T5840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 91.651630][ T5840] RIP: 0010:kvm_apic_accept_events+0x341/0x490
[ 91.658013][ T5840] Code: eb 0c e8 62 7b 72 00 eb 05 e8 5b 7b 72 00 45 31 ff 44 89 f8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 16 99 1a 0a cc e8 40 7b 72 00 90 <0f> 0b 90 e9 ec fd ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 4f
[ 91.677758][ T5840] RSP: 0018:ffffc9000434f5c8 EFLAGS: 00010293
[ 91.683917][ T5840] RAX: ffffffff814de090 RBX: 0000000000000002 RCX: ffff888032fc8000
[ 91.692131][ T5840] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000002
[ 91.700450][ T5840] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff81463863
[ 91.708869][ T5840] R10: dffffc0000000000 R11: fffffbfff1f4201f R12: 0000000000000002
[ 91.717118][ T5840] R13: dffffc0000000000 R14: ffff88802f8dd200 R15: ffff888030a302d8
[ 91.725629][ T5840] FS: 00005555839f0380(0000) GS:ffff888125d55000(0000) knlGS:0000000000000000
[ 91.736865][ T5840] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 91.743700][ T5840] CR2: 0000200000002000 CR3: 0000000078b62000 CR4: 00000000003526f0
[ 91.751965][ T5840] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 91.760259][ T5840] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 91.768381][ T5840] Call Trace:
[ 91.771782][ T5840]
[ 91.774813][ T5840] vcpu_run+0x76f/0x6f70
[ 91.779474][ T5840] ? __pfx_vcpu_run+0x10/0x10
[ 91.784234][ T5840] ? kvm_arch_vcpu_ioctl_run+0x1f3/0x1940
[ 91.790354][ T5840] ? rcu_is_watching+0x15/0xb0
[ 91.795321][ T5840] kvm_arch_vcpu_ioctl_run+0xfc9/0x1940
[ 91.801279][ T5840] ? kvm_arch_vcpu_ioctl_run+0x1f3/0x1940
[ 91.807739][ T5840] ? __pfx_kvm_arch_vcpu_ioctl_run+0x10/0x10
[ 91.814203][ T5840] ? __lock_acquire+0xab9/0xd20
[ 91.819229][ T5840] kvm_vcpu_ioctl+0x95c/0xe90
[ 91.824007][ T5840] ? __pfx_kvm_vcpu_ioctl+0x10/0x10
[ 91.829258][ T5840] ? __pfx_ptrace_notify+0x10/0x10
[ 91.834669][ T5840] ? bpf_lsm_file_ioctl+0x9/0x20
[ 91.839840][ T5840] ? __pfx_kvm_vcpu_ioctl+0x10/0x10
[ 91.845146][ T5840] __se_sys_ioctl+0xfc/0x170
[ 91.849780][ T5840] do_syscall_64+0xfa/0x3b0
[ 91.854353][ T5840] ? lockdep_hardirqs_on+0x9c/0x150
[ 91.859580][ T5840] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 91.865931][ T5840] ? clear_bhb_loop+0x60/0xb0
[ 91.870924][ T5840] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 91.877287][ T5840] RIP: 0033:0x7f7953367c79
[ 91.881996][ T5840] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
[ 91.902782][ T5840] RSP: 002b:00007ffe782d3868 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 91.911650][ T5840] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7953367c79
[ 91.920184][ T5840] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005
[ 91.928587][ T5840] RBP: 0000200000bfe000 R08: 0000000000000000 R09: 0000000000000000
[ 91.937154][ T5840] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe782d3870
[ 91.945821][ T5840] R13: 0000200000bff000 R14: 0000000000000004 R15: 0000000000000001
[ 91.955254][ T5840]
[ 91.958385][ T5840] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 91.965761][ T5840] CPU: 1 UID: 0 PID: 5840 Comm: syz-executor334 Not tainted 6.15.0-syzkaller-12058-g64980441d269 #0 PREEMPT(full)
[ 91.978004][ T5840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 91.988334][ T5840] Call Trace:
[ 91.991744][ T5840]
[ 91.994671][ T5840] dump_stack_lvl+0x99/0x250
[ 91.999287][ T5840] ? __asan_memcpy+0x40/0x70
[ 92.003936][ T5840] ? __pfx_dump_stack_lvl+0x10/0x10
[ 92.009273][ T5840] ? __pfx__printk+0x10/0x10
[ 92.014078][ T5840] panic+0x2db/0x790
[ 92.018280][ T5840] ? __pfx_panic+0x10/0x10
[ 92.022709][ T5840] ? show_trace_log_lvl+0x4fb/0x550
[ 92.028093][ T5840] __warn+0x31b/0x4b0
[ 92.032175][ T5840] ? kvm_apic_accept_events+0x341/0x490
[ 92.037786][ T5840] ? kvm_apic_accept_events+0x341/0x490
[ 92.043522][ T5840] report_bug+0x2be/0x4f0
[ 92.047977][ T5840] ? kvm_apic_accept_events+0x341/0x490
[ 92.053607][ T5840] ? kvm_apic_accept_events+0x341/0x490
[ 92.059149][ T5840] ? kvm_apic_accept_events+0x343/0x490
[ 92.064963][ T5840] handle_bug+0x84/0x160
[ 92.069497][ T5840] exc_invalid_op+0x1a/0x50
[ 92.074286][ T5840] asm_exc_invalid_op+0x1a/0x20
[ 92.079148][ T5840] RIP: 0010:kvm_apic_accept_events+0x341/0x490
[ 92.085414][ T5840] Code: eb 0c e8 62 7b 72 00 eb 05 e8 5b 7b 72 00 45 31 ff 44 89 f8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 16 99 1a 0a cc e8 40 7b 72 00 90 <0f> 0b 90 e9 ec fd ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 4f
[ 92.105559][ T5840] RSP: 0018:ffffc9000434f5c8 EFLAGS: 00010293
[ 92.111729][ T5840] RAX: ffffffff814de090 RBX: 0000000000000002 RCX: ffff888032fc8000
[ 92.119828][ T5840] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000002
[ 92.128111][ T5840] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff81463863
[ 92.136178][ T5840] R10: dffffc0000000000 R11: fffffbfff1f4201f R12: 0000000000000002
[ 92.144527][ T5840] R13: dffffc0000000000 R14: ffff88802f8dd200 R15: ffff888030a302d8
[ 92.152686][ T5840] ? kvm_arch_vcpu_ioctl_run+0x1f3/0x1940
[ 92.158535][ T5840] ? kvm_apic_accept_events+0x340/0x490
[ 92.164126][ T5840] ? kvm_apic_accept_events+0x340/0x490
[ 92.170601][ T5840] vcpu_run+0x76f/0x6f70
[ 92.174970][ T5840] ? __pfx_vcpu_run+0x10/0x10
[ 92.179788][ T5840] ? kvm_arch_vcpu_ioctl_run+0x1f3/0x1940
[ 92.185576][ T5840] ? rcu_is_watching+0x15/0xb0
[ 92.190808][ T5840] kvm_arch_vcpu_ioctl_run+0xfc9/0x1940
[ 92.198487][ T5840] ? kvm_arch_vcpu_ioctl_run+0x1f3/0x1940
[ 92.204447][ T5840] ? __pfx_kvm_arch_vcpu_ioctl_run+0x10/0x10
[ 92.211557][ T5840] ? __lock_acquire+0xab9/0xd20
[ 92.216735][ T5840] kvm_vcpu_ioctl+0x95c/0xe90
[ 92.221446][ T5840] ? __pfx_kvm_vcpu_ioctl+0x10/0x10
[ 92.226690][ T5840] ? __pfx_ptrace_notify+0x10/0x10
[ 92.232073][ T5840] ? bpf_lsm_file_ioctl+0x9/0x20
[ 92.237372][ T5840] ? __pfx_kvm_vcpu_ioctl+0x10/0x10
[ 92.242689][ T5840] __se_sys_ioctl+0xfc/0x170
[ 92.248227][ T5840] do_syscall_64+0xfa/0x3b0
[ 92.253125][ T5840] ? lockdep_hardirqs_on+0x9c/0x150
[ 92.258360][ T5840] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 92.264844][ T5840] ? clear_bhb_loop+0x60/0xb0
[ 92.269734][ T5840] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 92.275646][ T5840] RIP: 0033:0x7f7953367c79
[ 92.280344][ T5840] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
[ 92.300729][ T5840] RSP: 002b:00007ffe782d3868 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 92.309164][ T5840] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7953367c79
[ 92.317155][ T5840] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005
[ 92.325402][ T5840] RBP: 0000200000bfe000 R08: 0000000000000000 R09: 0000000000000000
[ 92.333471][ T5840] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe782d3870
[ 92.341455][ T5840] R13: 0000200000bff000 R14: 0000000000000004 R15: 0000000000000001
[ 92.349916][ T5840]
[ 92.353108][ T5840] Kernel Offset: disabled
[ 92.357442][ T5840] Rebooting in 86400 seconds..