./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3958657513 <...> Warning: Permanently added '10.128.1.11' (ED25519) to the list of known hosts. execve("./syz-executor3958657513", ["./syz-executor3958657513"], 0x7fffb26f7450 /* 10 vars */) = 0 brk(NULL) = 0x55558d3c3000 brk(0x55558d3c3d00) = 0x55558d3c3d00 arch_prctl(ARCH_SET_FS, 0x55558d3c3380) = 0 set_tid_address(0x55558d3c3650) = 5845 set_robust_list(0x55558d3c3660, 24) = 0 rseq(0x55558d3c3ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3958657513", 4096) = 28 getrandom("\x15\xf8\x1d\x3c\x35\xb9\x23\x13", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558d3c3d00 brk(0x55558d3e4d00) = 0x55558d3e4d00 brk(0x55558d3e5000) = 0x55558d3e5000 mprotect(0x7fd5cea0e000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5846 attached [pid 5846] set_robust_list(0x55558d3c3660, 24 [pid 5845] <... clone resumed>, child_tidptr=0x55558d3c3650) = 5846 [pid 5846] <... set_robust_list resumed>) = 0 [pid 5846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5846] setpgid(0, 0) = 0 [pid 5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5846] write(3, "1000", 4) = 4 [pid 5846] close(3) = 0 executing program [pid 5846] write(1, "executing program\n", 18) = 18 [pid 5846] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_TRUNC|O_NOATIME) = 3 [pid 5846] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 5846] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 5846] ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=0, flags=0, guest_phys_addr=0, memory_size=40960, userspace_addr=0x200000bff000}) = 0 [pid 5846] ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=1, flags=0, guest_phys_addr=0x30000, memory_size=40960, userspace_addr=0x200000c09000}) = 0 [pid 5846] 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 [pid 5846] ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=3, flags=KVM_MEM_READONLY, guest_phys_addr=0x50000, memory_size=16384, userspace_addr=0x200000c15000}) = 0 [pid 5846] ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=4, flags=KVM_MEM_READONLY, guest_phys_addr=0x54000, memory_size=16384, userspace_addr=0x200000c19000}) = 0 [pid 5846] ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=5, flags=0, guest_phys_addr=0x58000, memory_size=4096, userspace_addr=0x200000c1d000}) = 0 [ 110.229598][ T5846] 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. [pid 5846] ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=6, flags=0, guest_phys_addr=0xfec00000, memory_size=4096, userspace_addr=0x200000c1e000}) = 0 [pid 5846] ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=7, flags=0, guest_phys_addr=0x200000, memory_size=4063232, userspace_addr=0x200000c1f000}) = 0 [pid 5846] ioctl(4, KVM_CREATE_VCPU, 0) = 5 [pid 5846] 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 [pid 5846] 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 [pid 5846] openat(AT_FDCWD, "/dev/kvm", O_RDWR) = 6 [pid 5846] ioctl(6, KVM_GET_SUPPORTED_CPUID, {nent=31, entries=[...]}) = 0 [pid 5846] ioctl(5, KVM_SET_CPUID2, {nent=31, entries=[...]}) = 0 [pid 5846] close(6) = 0 [pid 5846] ioctl(5, KVM_SET_REGS, {rax=0, ..., rsp=0xf80, rbp=0, ..., rip=0x54030, rflags=0x2}) = 0 [pid 5846] ioctl(5, KVM_SET_MP_STATE, 0x200000000000) = 0 [pid 5846] ioctl(5, KVM_SET_NESTED_STATE, 0x200000000a80) = -1 EINVAL (Invalid argument) [pid 5846] ioctl(5, KVM_SET_GUEST_DEBUG, 0x200000000080) = 0 [ 110.363586][ T5846] ------------[ cut here ]------------ [ 110.370894][ T5846] WARNING: CPU: 0 PID: 5846 at arch/x86/kvm/lapic.c:3407 kvm_apic_accept_events+0x341/0x490 [ 110.381776][ T5846] Modules linked in: [ 110.386052][ T5846] CPU: 0 UID: 0 PID: 5846 Comm: syz-executor395 Not tainted 6.15.0-syzkaller-12058-g64980441d269 #0 PREEMPT(full) [ 110.399938][ T5846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 110.411193][ T5846] RIP: 0010:kvm_apic_accept_events+0x341/0x490 [ 110.418405][ T5846] 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 [ 110.439068][ T5846] RSP: 0018:ffffc9000436f5c8 EFLAGS: 00010293 [ 110.445423][ T5846] RAX: ffffffff814de090 RBX: 0000000000000002 RCX: ffff88804acd0000 [ 110.453802][ T5846] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000002 [ 110.462217][ T5846] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff81463863 [ 110.470750][ T5846] R10: dffffc0000000000 R11: fffffbfff1f4201f R12: 0000000000000002 [ 110.478797][ T5846] R13: dffffc0000000000 R14: ffff888033f99c00 R15: ffff888032ed82d8 [ 110.487509][ T5846] FS: 000055558d3c3380(0000) GS:ffff888125c55000(0000) knlGS:0000000000000000 [ 110.497108][ T5846] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 110.504171][ T5846] CR2: 0000200000bfe000 CR3: 0000000073de4000 CR4: 00000000003526f0 [ 110.512772][ T5846] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 110.521372][ T5846] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 110.529944][ T5846] Call Trace: [ 110.533380][ T5846] [ 110.536482][ T5846] vcpu_run+0x76f/0x6f70 [ 110.541107][ T5846] ? __pfx_vcpu_run+0x10/0x10 [ 110.546203][ T5846] ? kvm_arch_vcpu_ioctl_run+0x1f3/0x1940 [ 110.552060][ T5846] ? rcu_is_watching+0x15/0xb0 [ 110.557273][ T5846] kvm_arch_vcpu_ioctl_run+0xfc9/0x1940 [ 110.563099][ T5846] ? kvm_arch_vcpu_ioctl_run+0x1f3/0x1940 [ 110.569136][ T5846] ? __pfx_kvm_arch_vcpu_ioctl_run+0x10/0x10 [ 110.575349][ T5846] ? irqentry_exit+0x74/0x90 [ 110.580094][ T5846] ? lockdep_hardirqs_on+0x9c/0x150 [ 110.585470][ T5846] ? kvm_vcpu_ioctl+0xd1d/0xe90 [ 110.590492][ T5846] kvm_vcpu_ioctl+0x95c/0xe90 [ 110.595424][ T5846] ? __pfx_kvm_vcpu_ioctl+0x10/0x10 [ 110.601149][ T5846] ? __pfx_ptrace_notify+0x10/0x10 [ 110.606411][ T5846] ? bpf_lsm_file_ioctl+0x9/0x20 [ 110.611659][ T5846] ? __pfx_kvm_vcpu_ioctl+0x10/0x10 [ 110.617087][ T5846] __se_sys_ioctl+0xfc/0x170 [ 110.622178][ T5846] do_syscall_64+0xfa/0x3b0 [ 110.627084][ T5846] ? lockdep_hardirqs_on+0x9c/0x150 [ 110.632779][ T5846] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 110.639555][ T5846] ? clear_bhb_loop+0x60/0xb0 [ 110.644367][ T5846] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 110.650921][ T5846] RIP: 0033:0x7fd5ce9982f9 [ 110.655442][ T5846] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 [ 110.676680][ T5846] RSP: 002b:00007ffc85c8b9f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 110.685294][ T5846] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd5ce9982f9 [ 110.693628][ T5846] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 110.702404][ T5846] RBP: 0000200000bfe000 R08: 0000000000000000 R09: 0000000000000000 [ 110.711536][ T5846] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc85c8ba20 [ 110.720176][ T5846] R13: 0000200000bff000 R14: 0000000000000004 R15: 0000000000000001 [ 110.728774][ T5846] [ 110.731978][ T5846] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 110.739418][ T5846] CPU: 0 UID: 0 PID: 5846 Comm: syz-executor395 Not tainted 6.15.0-syzkaller-12058-g64980441d269 #0 PREEMPT(full) [ 110.752030][ T5846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 110.762566][ T5846] Call Trace: [ 110.765982][ T5846] [ 110.768970][ T5846] dump_stack_lvl+0x99/0x250 [ 110.773729][ T5846] ? __asan_memcpy+0x40/0x70 [ 110.779247][ T5846] ? __pfx_dump_stack_lvl+0x10/0x10 [ 110.784753][ T5846] ? __pfx__printk+0x10/0x10 [ 110.789387][ T5846] panic+0x2db/0x790 [ 110.793345][ T5846] ? __pfx_panic+0x10/0x10 [ 110.798161][ T5846] ? show_trace_log_lvl+0x4fb/0x550 [ 110.803697][ T5846] __warn+0x31b/0x4b0 [ 110.807742][ T5846] ? kvm_apic_accept_events+0x341/0x490 [ 110.813937][ T5846] ? kvm_apic_accept_events+0x341/0x490 [ 110.819698][ T5846] report_bug+0x2be/0x4f0 [ 110.824060][ T5846] ? kvm_apic_accept_events+0x341/0x490 [ 110.829742][ T5846] ? kvm_apic_accept_events+0x341/0x490 [ 110.835710][ T5846] ? kvm_apic_accept_events+0x343/0x490 [ 110.841473][ T5846] handle_bug+0x84/0x160 [ 110.846012][ T5846] exc_invalid_op+0x1a/0x50 [ 110.850837][ T5846] asm_exc_invalid_op+0x1a/0x20 [ 110.855930][ T5846] RIP: 0010:kvm_apic_accept_events+0x341/0x490 [ 110.862404][ T5846] 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 [ 110.882908][ T5846] RSP: 0018:ffffc9000436f5c8 EFLAGS: 00010293 [ 110.889137][ T5846] RAX: ffffffff814de090 RBX: 0000000000000002 RCX: ffff88804acd0000 [ 110.897352][ T5846] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000002 [ 110.905370][ T5846] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff81463863 [ 110.913540][ T5846] R10: dffffc0000000000 R11: fffffbfff1f4201f R12: 0000000000000002 [ 110.922521][ T5846] R13: dffffc0000000000 R14: ffff888033f99c00 R15: ffff888032ed82d8 [ 110.931840][ T5846] ? kvm_arch_vcpu_ioctl_run+0x1f3/0x1940 [ 110.938566][ T5846] ? kvm_apic_accept_events+0x340/0x490 [ 110.944281][ T5846] ? kvm_apic_accept_events+0x340/0x490 [ 110.950593][ T5846] vcpu_run+0x76f/0x6f70 [ 110.954965][ T5846] ? __pfx_vcpu_run+0x10/0x10 [ 110.959689][ T5846] ? kvm_arch_vcpu_ioctl_run+0x1f3/0x1940 [ 110.965528][ T5846] ? rcu_is_watching+0x15/0xb0 [ 110.970503][ T5846] kvm_arch_vcpu_ioctl_run+0xfc9/0x1940 [ 110.976105][ T5846] ? kvm_arch_vcpu_ioctl_run+0x1f3/0x1940 [ 110.981874][ T5846] ? __pfx_kvm_arch_vcpu_ioctl_run+0x10/0x10 [ 110.988161][ T5846] ? irqentry_exit+0x74/0x90 [ 110.993107][ T5846] ? lockdep_hardirqs_on+0x9c/0x150 [ 110.998644][ T5846] ? kvm_vcpu_ioctl+0xd1d/0xe90 [ 111.004511][ T5846] kvm_vcpu_ioctl+0x95c/0xe90 [ 111.009467][ T5846] ? __pfx_kvm_vcpu_ioctl+0x10/0x10 [ 111.015348][ T5846] ? __pfx_ptrace_notify+0x10/0x10 [ 111.020597][ T5846] ? bpf_lsm_file_ioctl+0x9/0x20 [ 111.025767][ T5846] ? __pfx_kvm_vcpu_ioctl+0x10/0x10 [ 111.032283][ T5846] __se_sys_ioctl+0xfc/0x170 [ 111.036928][ T5846] do_syscall_64+0xfa/0x3b0 [ 111.041631][ T5846] ? lockdep_hardirqs_on+0x9c/0x150 [ 111.047339][ T5846] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 111.053650][ T5846] ? clear_bhb_loop+0x60/0xb0 [ 111.058463][ T5846] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 111.064497][ T5846] RIP: 0033:0x7fd5ce9982f9 [ 111.069419][ T5846] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 [ 111.089755][ T5846] RSP: 002b:00007ffc85c8b9f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 111.098380][ T5846] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd5ce9982f9 [ 111.106576][ T5846] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 111.114589][ T5846] RBP: 0000200000bfe000 R08: 0000000000000000 R09: 0000000000000000 [ 111.122883][ T5846] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc85c8ba20 [ 111.130972][ T5846] R13: 0000200000bff000 R14: 0000000000000004 R15: 0000000000000001 [ 111.138994][ T5846] [ 111.142960][ T5846] Kernel Offset: disabled [ 111.147744][ T5846] Rebooting in 86400 seconds..