./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3426908285 <...> Warning: Permanently added '10.128.0.109' (ECDSA) to the list of known hosts. execve("./syz-executor3426908285", ["./syz-executor3426908285"], 0x7ffc52546490 /* 10 vars */) = 0 brk(NULL) = 0x5555568bd000 brk(0x5555568bdc40) = 0x5555568bdc40 arch_prctl(ARCH_SET_FS, 0x5555568bd300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3426908285", 4096) = 28 brk(0x5555568dec40) = 0x5555568dec40 brk(0x5555568df000) = 0x5555568df000 mprotect(0x7f027468d000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3 ioctl(3, KVM_CREATE_VM, 0) = 4 ioctl(4, KVM_CREATE_VCPU, 0) = 5 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=0, flags=0, guest_phys_addr=0, memory_size=4096, userspace_addr=0x20fe8000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=1, flags=0, guest_phys_addr=0x1000, memory_size=4096, userspace_addr=0x20fe9000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=2, flags=0, guest_phys_addr=0x2000, memory_size=4096, userspace_addr=0x20fea000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=3, flags=0, guest_phys_addr=0x3000, memory_size=4096, userspace_addr=0x20feb000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=4, flags=0, guest_phys_addr=0x4000, memory_size=4096, userspace_addr=0x20fec000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=5, flags=0, guest_phys_addr=0x5000, memory_size=4096, userspace_addr=0x20fed000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=6, flags=0, guest_phys_addr=0x6000, memory_size=4096, userspace_addr=0x20fee000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=7, flags=0, guest_phys_addr=0x7000, memory_size=4096, userspace_addr=0x20fef000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=8, flags=0, guest_phys_addr=0x8000, memory_size=4096, userspace_addr=0x20ff0000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=9, flags=0, guest_phys_addr=0x9000, memory_size=4096, userspace_addr=0x20ff1000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=10, flags=0, guest_phys_addr=0xfec00000, memory_size=4096, userspace_addr=0x20ff2000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=11, flags=0, guest_phys_addr=0xb000, memory_size=4096, userspace_addr=0x20ff3000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=12, flags=0, guest_phys_addr=0xc000, memory_size=4096, userspace_addr=0x20ff4000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=13, flags=0, guest_phys_addr=0xd000, memory_size=4096, userspace_addr=0x20ff5000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=14, flags=0, guest_phys_addr=0xe000, memory_size=4096, userspace_addr=0x20ff6000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=15, flags=0, guest_phys_addr=0xf000, memory_size=4096, userspace_addr=0x20ff7000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=16, flags=0, guest_phys_addr=0x10000, memory_size=4096, userspace_addr=0x20ff8000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=17, flags=0, guest_phys_addr=0x11000, memory_size=4096, userspace_addr=0x20ff9000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=18, flags=0, guest_phys_addr=0x12000, memory_size=4096, userspace_addr=0x20ffa000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=19, flags=0, guest_phys_addr=0x13000, memory_size=4096, userspace_addr=0x20ffb000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=20, flags=0, guest_phys_addr=0x14000, memory_size=4096, userspace_addr=0x20ffc000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=21, flags=0, guest_phys_addr=0x15000, memory_size=4096, userspace_addr=0x20ffd000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=22, flags=0, guest_phys_addr=0x16000, memory_size=4096, userspace_addr=0x20ffe000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=23, flags=0, guest_phys_addr=0x17000, memory_size=4096, userspace_addr=0x20fff000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=65537, flags=0, guest_phys_addr=0x30000, memory_size=65536, userspace_addr=0x20fe8000}) = 0 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 openat(AT_FDCWD, "/dev/kvm", O_RDWR) = 6 ioctl(6, KVM_GET_SUPPORTED_CPUID, {nent=33, entries=[...]}) = 0 syzkaller login: [ 39.021263][ T3616] 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(5, KVM_SET_CPUID2, {nent=33, entries=[...]}) = 0 close(6) = 0 ioctl(5, KVM_SET_MSRS, 0x7ffc11a51290) = 5 ioctl(5, KVM_SET_SREGS, {cs={base=0, limit=1048575, selector=48, type=11, present=1, dpl=0, db=1, s=1, l=0, g=0, avl=0}, ...}) = 0 ioctl(5, KVM_SET_REGS, {rax=0, ..., rsp=0xf80, rbp=0, ..., rip=0, rflags=0x2}) = 0 ioctl(5, KVM_RUN, 0) = 0 ioctl(5, KVM_SET_NESTED_STATE, 0x20000280) = -1 EINVAL (Invalid argument) [ 39.090947][ T3616] ------------[ cut here ]------------ [ 39.096449][ T3616] WARNING: CPU: 0 PID: 3616 at arch/x86/kvm/vmx/vmx.c:5136 handle_exception_nmi+0xd06/0xe40 [ 39.108892][ T3616] Modules linked in: [ 39.112778][ T3616] CPU: 0 PID: 3616 Comm: syz-executor342 Not tainted 6.0.0-rc2-next-20220826-syzkaller #0 [ 39.122844][ T3616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 39.133006][ T3616] RIP: 0010:handle_exception_nmi+0xd06/0xe40 [ 39.139101][ T3616] Code: 0f 84 11 f6 ff ff e8 39 d3 59 00 48 89 ef c7 85 e4 08 00 00 00 00 00 00 e8 a7 4e ec ff 41 89 c4 e9 f8 f5 ff ff e8 1a d3 59 00 <0f> 0b e9 c9 f7 ff ff e8 0e d3 59 00 be f5 ff ff ff bf 01 00 00 00 [ 39.158764][ T3616] RSP: 0018:ffffc90003e0faa0 EFLAGS: 00010293 [ 39.164830][ T3616] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 39.172878][ T3616] RDX: ffff8880202f9d40 RSI: ffffffff81223046 RDI: 0000000000000001 [ 39.180889][ T3616] RBP: ffff888022fb0000 R08: 0000000000000001 R09: 0000000000000000 [ 39.188917][ T3616] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000a0000975 [ 39.196921][ T3616] R13: 0000000000000000 R14: 0000000080000300 R15: ffff88807ec19000 [ 39.204892][ T3616] FS: 00005555568bd300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 39.213835][ T3616] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.220469][ T3616] CR2: 0000558e0b307038 CR3: 000000007dc6e000 CR4: 00000000003526f0 [ 39.228456][ T3616] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.236441][ T3616] DR3: 00000000b8fecd19 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 39.244432][ T3616] Call Trace: [ 39.247721][ T3616] [ 39.250637][ T3616] ? vmx_guest_inject_ac+0x160/0x160 [ 39.255924][ T3616] vmx_handle_exit+0x498/0x1970 [ 39.260803][ T3616] vcpu_enter_guest+0x3dab/0x6330 [ 39.265850][ T3616] ? kvm_check_nested_events+0x100/0x100 [ 39.271510][ T3616] ? complete_emulated_mmio+0x397/0x7e0 [ 39.277090][ T3616] ? kvm_arch_vcpu_ioctl_run+0x5b0/0x2560 [ 39.282812][ T3616] kvm_arch_vcpu_ioctl_run+0x5b0/0x2560 [ 39.288392][ T3616] ? __sanitizer_cov_trace_switch+0x50/0x90 [ 39.294323][ T3616] kvm_vcpu_ioctl+0x570/0xf30 [ 39.299037][ T3616] ? kvm_release_pfn_dirty+0x220/0x220 [ 39.304527][ T3616] ? rcu_read_lock_sched_held+0xd/0x70 [ 39.310005][ T3616] ? lock_release+0x560/0x780 [ 39.314687][ T3616] ? ptrace_notify+0xfa/0x140 [ 39.319418][ T3616] ? lock_downgrade+0x6e0/0x6e0 [ 39.324292][ T3616] ? bpf_lsm_file_ioctl+0x5/0x10 [ 39.329271][ T3616] ? kvm_release_pfn_dirty+0x220/0x220 [ 39.334755][ T3616] __x64_sys_ioctl+0x193/0x200 [ 39.339566][ T3616] do_syscall_64+0x35/0xb0 [ 39.343992][ T3616] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 39.349896][ T3616] RIP: 0033:0x7f027461ed79 [ 39.354311][ T3616] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 39.373938][ T3616] RSP: 002b:00007ffc11a52de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.382384][ T3616] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f027461ed79 [ 39.390389][ T3616] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 39.398412][ T3616] RBP: 00007f02745e27d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.406376][ T3616] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f02745e2860 [ 39.414366][ T3616] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 39.422355][ T3616] [ 39.425362][ T3616] Kernel panic - not syncing: panic_on_warn set ... [ 39.431925][ T3616] CPU: 0 PID: 3616 Comm: syz-executor342 Not tainted 6.0.0-rc2-next-20220826-syzkaller #0 [ 39.441795][ T3616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 39.451829][ T3616] Call Trace: [ 39.455111][ T3616] [ 39.458027][ T3616] dump_stack_lvl+0xcd/0x134 [ 39.462607][ T3616] panic+0x2c8/0x627 [ 39.466490][ T3616] ? panic_print_sys_info.part.0+0x10b/0x10b [ 39.472460][ T3616] ? __warn.cold+0x248/0x2c4 [ 39.477044][ T3616] ? handle_exception_nmi+0xd06/0xe40 [ 39.482430][ T3616] __warn.cold+0x259/0x2c4 [ 39.486857][ T3616] ? handle_exception_nmi+0xd06/0xe40 [ 39.492239][ T3616] report_bug+0x1bc/0x210 [ 39.496585][ T3616] handle_bug+0x3c/0x60 [ 39.500749][ T3616] exc_invalid_op+0x14/0x40 [ 39.505260][ T3616] asm_exc_invalid_op+0x16/0x20 [ 39.510118][ T3616] RIP: 0010:handle_exception_nmi+0xd06/0xe40 [ 39.516111][ T3616] Code: 0f 84 11 f6 ff ff e8 39 d3 59 00 48 89 ef c7 85 e4 08 00 00 00 00 00 00 e8 a7 4e ec ff 41 89 c4 e9 f8 f5 ff ff e8 1a d3 59 00 <0f> 0b e9 c9 f7 ff ff e8 0e d3 59 00 be f5 ff ff ff bf 01 00 00 00 [ 39.535730][ T3616] RSP: 0018:ffffc90003e0faa0 EFLAGS: 00010293 [ 39.541805][ T3616] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 39.549777][ T3616] RDX: ffff8880202f9d40 RSI: ffffffff81223046 RDI: 0000000000000001 [ 39.557764][ T3616] RBP: ffff888022fb0000 R08: 0000000000000001 R09: 0000000000000000 [ 39.565742][ T3616] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000a0000975 [ 39.573724][ T3616] R13: 0000000000000000 R14: 0000000080000300 R15: ffff88807ec19000 [ 39.581708][ T3616] ? handle_exception_nmi+0xd06/0xe40 [ 39.587102][ T3616] ? vmx_guest_inject_ac+0x160/0x160 [ 39.592398][ T3616] vmx_handle_exit+0x498/0x1970 [ 39.597269][ T3616] vcpu_enter_guest+0x3dab/0x6330 [ 39.602323][ T3616] ? kvm_check_nested_events+0x100/0x100 [ 39.607982][ T3616] ? complete_emulated_mmio+0x397/0x7e0 [ 39.613548][ T3616] ? kvm_arch_vcpu_ioctl_run+0x5b0/0x2560 [ 39.619285][ T3616] kvm_arch_vcpu_ioctl_run+0x5b0/0x2560 [ 39.624856][ T3616] ? __sanitizer_cov_trace_switch+0x50/0x90 [ 39.630770][ T3616] kvm_vcpu_ioctl+0x570/0xf30 [ 39.635465][ T3616] ? kvm_release_pfn_dirty+0x220/0x220 [ 39.640942][ T3616] ? rcu_read_lock_sched_held+0xd/0x70 [ 39.646402][ T3616] ? lock_release+0x560/0x780 [ 39.651082][ T3616] ? ptrace_notify+0xfa/0x140 [ 39.655783][ T3616] ? lock_downgrade+0x6e0/0x6e0 [ 39.660641][ T3616] ? bpf_lsm_file_ioctl+0x5/0x10 [ 39.665589][ T3616] ? kvm_release_pfn_dirty+0x220/0x220 [ 39.671060][ T3616] __x64_sys_ioctl+0x193/0x200 [ 39.675839][ T3616] do_syscall_64+0x35/0xb0 [ 39.680264][ T3616] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 39.686163][ T3616] RIP: 0033:0x7f027461ed79 [ 39.690576][ T3616] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 39.710183][ T3616] RSP: 002b:00007ffc11a52de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.718599][ T3616] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f027461ed79 [ 39.726570][ T3616] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 39.734541][ T3616] RBP: 00007f02745e27d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.742510][ T3616] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f02745e2860 [ 39.750480][ T3616] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 39.758458][ T3616] [ 39.761626][ T3616] Kernel Offset: disabled [ 39.765943][ T3616] Rebooting in 86400 seconds..