./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1413850079 <...> Warning: Permanently added '10.128.0.195' (ECDSA) to the list of known hosts. execve("./syz-executor1413850079", ["./syz-executor1413850079"], 0x7ffdb30acdf0 /* 10 vars */) = 0 brk(NULL) = 0x555555d9e000 brk(0x555555d9ec40) = 0x555555d9ec40 arch_prctl(ARCH_SET_FS, 0x555555d9e300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1413850079", 4096) = 28 brk(0x555555dbfc40) = 0x555555dbfc40 brk(0x555555dc0000) = 0x555555dc0000 mprotect(0x7ff2b6e2b000, 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 syzkaller login: [ 47.569515][ T3606] 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=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 ioctl(5, KVM_SET_CPUID2, {nent=33, entries=[...]}) = 0 close(6) = 0 ioctl(5, KVM_SET_MSRS, 0x7ffc43fa1a70) = 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) [ 47.656378][ T3606] ------------[ cut here ]------------ [ 47.661933][ T3606] WARNING: CPU: 1 PID: 3606 at arch/x86/kvm/vmx/vmx.c:5136 handle_exception_nmi+0x8e6/0xe00 [ 47.672473][ T3606] Modules linked in: [ 47.676800][ T3606] CPU: 1 PID: 3606 Comm: syz-executor141 Not tainted 6.0.0-rc5-syzkaller-00025-g3245cb65fd91 #0 [ 47.687431][ T3606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 47.697657][ T3606] RIP: 0010:handle_exception_nmi+0x8e6/0xe00 [ 47.703912][ T3606] Code: 60 9f 64 00 0f 0b e9 4a f9 ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 87 f7 ff ff e8 84 4b b8 00 e9 7d f7 ff ff e8 3a 9f 64 00 <0f> 0b e9 53 fc ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c a4 f8 ff [ 47.723627][ T3606] RSP: 0018:ffffc900037ff488 EFLAGS: 00010293 [ 47.729753][ T3606] RAX: ffffffff8124f8c6 RBX: ffff88801f338000 RCX: ffff88807a7a3b00 [ 47.737800][ T3606] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 47.745865][ T3606] RBP: 0000000000000000 R08: ffffffff8124f513 R09: ffffed1003e6704a [ 47.753836][ T3606] R10: ffffed1003e6704a R11: 1ffff11003e67049 R12: 1ffff11003e6701b [ 47.761862][ T3606] R13: 0000000000000000 R14: 00000000a0000975 R15: dffffc0000000000 [ 47.769923][ T3606] FS: 0000555555d9e300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 47.778912][ T3606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.785572][ T3606] CR2: 000055e3d4436a00 CR3: 000000001fef3000 CR4: 00000000003526f0 [ 47.793550][ T3606] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.801623][ T3606] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.809887][ T3606] Call Trace: [ 47.813171][ T3606] [ 47.816186][ T3606] vmx_handle_exit+0x26/0x160 [ 47.820897][ T3606] vcpu_enter_guest+0x6bbe/0x95a0 [ 47.826022][ T3606] ? rcu_lock_release+0x5/0x20 [ 47.830798][ T3606] ? validate_chain+0x126/0x6600 [ 47.835802][ T3606] ? trace_kvm_fpu+0x260/0x260 [ 47.840614][ T3606] ? preempt_count_add+0x8d/0x180 [ 47.845704][ T3606] ? is_bpf_text_address+0x253/0x270 [ 47.850999][ T3606] ? reacquire_held_locks+0x680/0x680 [ 47.856445][ T3606] ? unwind_get_return_address+0x48/0x80 [ 47.862744][ T3606] ? arch_stack_walk+0xf8/0x140 [ 47.867874][ T3606] ? stack_trace_save+0x12d/0x1f0 [ 47.872942][ T3606] ? reacquire_held_locks+0x680/0x680 [ 47.878408][ T3606] ? rcu_read_lock_sched_held+0x89/0x130 [ 47.884076][ T3606] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 47.890096][ T3606] ? kfree+0xda/0x210 [ 47.894086][ T3606] ? emulator_get_cr+0x260/0x360 [ 47.899094][ T3606] ? trace_kvm_mmio+0xeb/0x280 [ 47.903865][ T3606] ? read_prepare+0x97/0x100 [ 47.908504][ T3606] ? emulator_read_write+0x99/0x590 [ 47.913710][ T3606] ? vmx_complete_nested_posted_interrupt+0x690/0x690 [ 47.920530][ T3606] ? segmented_read+0x2dc/0x3c0 [ 47.925385][ T3606] ? memcpy+0x3c/0x60 [ 47.929416][ T3606] ? writeback+0x63a/0xa40 [ 47.933845][ T3606] ? em_xchg+0xe0/0xe0 [ 47.938000][ T3606] ? string_registers_quirk+0x810/0x810 [ 47.943583][ T3606] ? emulator_write_gpr+0xa3/0xc0 [ 47.948678][ T3606] ? x86_emulate_insn+0x45b/0x3780 [ 47.953806][ T3606] ? xorw_ax_dx+0x10/0x10 [ 47.958223][ T3606] ? kvm_pmu_trigger_event+0x58a/0x5c0 [ 47.963689][ T3606] ? kvm_cpu_has_pending_timer+0x80/0x1f0 [ 47.969461][ T3606] vcpu_run+0x50d/0x10e0 [ 47.973716][ T3606] ? complete_emulated_pio+0x70/0x70 [ 47.979054][ T3606] kvm_arch_vcpu_ioctl_run+0x541/0xd10 [ 47.984526][ T3606] kvm_vcpu_ioctl+0x7ef/0xcf0 [ 47.989242][ T3606] ? print_irqtrace_events+0x220/0x220 [ 47.994711][ T3606] ? kvm_create_vcpu_debugfs+0x1a0/0x1a0 [ 48.000409][ T3606] ? memset+0x1f/0x40 [ 48.004396][ T3606] ? smack_file_ioctl+0x34c/0x3a0 [ 48.009471][ T3606] ? smack_file_alloc_security+0xd0/0xd0 [ 48.015111][ T3606] ? print_irqtrace_events+0x220/0x220 [ 48.020629][ T3606] ? vtime_user_exit+0x2b2/0x3e0 [ 48.025627][ T3606] ? __ct_user_exit+0x81/0xe0 [ 48.030307][ T3606] ? bpf_lsm_file_ioctl+0x5/0x10 [ 48.035229][ T3606] ? security_file_ioctl+0x9d/0xb0 [ 48.040391][ T3606] ? kvm_create_vcpu_debugfs+0x1a0/0x1a0 [ 48.046072][ T3606] __se_sys_ioctl+0xfb/0x170 [ 48.050653][ T3606] do_syscall_64+0x2b/0x70 [ 48.055073][ T3606] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 48.061014][ T3606] RIP: 0033:0x7ff2b6dbcd79 [ 48.065434][ T3606] 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 [ 48.085112][ T3606] RSP: 002b:00007ffc43fa35c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.093594][ T3606] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff2b6dbcd79 [ 48.101643][ T3606] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 48.109660][ T3606] RBP: 00007ff2b6d807d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.117690][ T3606] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff2b6d80860 [ 48.125694][ T3606] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 48.133661][ T3606] [ 48.136730][ T3606] Kernel panic - not syncing: panic_on_warn set ... [ 48.143310][ T3606] CPU: 0 PID: 3606 Comm: syz-executor141 Not tainted 6.0.0-rc5-syzkaller-00025-g3245cb65fd91 #0 [ 48.153701][ T3606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 48.163738][ T3606] Call Trace: [ 48.167001][ T3606] [ 48.169919][ T3606] dump_stack_lvl+0x1e3/0x2cb [ 48.174582][ T3606] ? io_alloc_page_table+0x110/0x110 [ 48.179848][ T3606] ? panic+0x76b/0x76b [ 48.183906][ T3606] ? vscnprintf+0x59/0x80 [ 48.188218][ T3606] ? handle_exception_nmi+0x820/0xe00 [ 48.193573][ T3606] panic+0x316/0x76b [ 48.197457][ T3606] ? __warn+0x131/0x220 [ 48.201598][ T3606] ? fb_is_primary_device+0xcc/0xcc [ 48.206796][ T3606] ? handle_exception_nmi+0x8e6/0xe00 [ 48.212164][ T3606] __warn+0x1fa/0x220 [ 48.216141][ T3606] ? handle_exception_nmi+0x8e6/0xe00 [ 48.221504][ T3606] report_bug+0x1b3/0x2d0 [ 48.225856][ T3606] handle_bug+0x3d/0x70 [ 48.230008][ T3606] exc_invalid_op+0x16/0x40 [ 48.234503][ T3606] asm_exc_invalid_op+0x16/0x20 [ 48.239346][ T3606] RIP: 0010:handle_exception_nmi+0x8e6/0xe00 [ 48.245321][ T3606] Code: 60 9f 64 00 0f 0b e9 4a f9 ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 87 f7 ff ff e8 84 4b b8 00 e9 7d f7 ff ff e8 3a 9f 64 00 <0f> 0b e9 53 fc ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c a4 f8 ff [ 48.264915][ T3606] RSP: 0018:ffffc900037ff488 EFLAGS: 00010293 [ 48.270996][ T3606] RAX: ffffffff8124f8c6 RBX: ffff88801f338000 RCX: ffff88807a7a3b00 [ 48.278978][ T3606] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 48.286947][ T3606] RBP: 0000000000000000 R08: ffffffff8124f513 R09: ffffed1003e6704a [ 48.294915][ T3606] R10: ffffed1003e6704a R11: 1ffff11003e67049 R12: 1ffff11003e6701b [ 48.302877][ T3606] R13: 0000000000000000 R14: 00000000a0000975 R15: dffffc0000000000 [ 48.310847][ T3606] ? handle_exception_nmi+0x533/0xe00 [ 48.316218][ T3606] ? handle_exception_nmi+0x8e6/0xe00 [ 48.321591][ T3606] ? handle_exception_nmi+0x8e6/0xe00 [ 48.326961][ T3606] vmx_handle_exit+0x26/0x160 [ 48.331634][ T3606] vcpu_enter_guest+0x6bbe/0x95a0 [ 48.336690][ T3606] ? rcu_lock_release+0x5/0x20 [ 48.341450][ T3606] ? validate_chain+0x126/0x6600 [ 48.346383][ T3606] ? trace_kvm_fpu+0x260/0x260 [ 48.351140][ T3606] ? preempt_count_add+0x8d/0x180 [ 48.356164][ T3606] ? is_bpf_text_address+0x253/0x270 [ 48.361453][ T3606] ? reacquire_held_locks+0x680/0x680 [ 48.366819][ T3606] ? unwind_get_return_address+0x48/0x80 [ 48.372467][ T3606] ? arch_stack_walk+0xf8/0x140 [ 48.377321][ T3606] ? stack_trace_save+0x12d/0x1f0 [ 48.382339][ T3606] ? reacquire_held_locks+0x680/0x680 [ 48.387711][ T3606] ? rcu_read_lock_sched_held+0x89/0x130 [ 48.393338][ T3606] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 48.399317][ T3606] ? kfree+0xda/0x210 [ 48.403310][ T3606] ? emulator_get_cr+0x260/0x360 [ 48.408260][ T3606] ? trace_kvm_mmio+0xeb/0x280 [ 48.413033][ T3606] ? read_prepare+0x97/0x100 [ 48.417617][ T3606] ? emulator_read_write+0x99/0x590 [ 48.422821][ T3606] ? vmx_complete_nested_posted_interrupt+0x690/0x690 [ 48.429589][ T3606] ? segmented_read+0x2dc/0x3c0 [ 48.434439][ T3606] ? memcpy+0x3c/0x60 [ 48.438414][ T3606] ? writeback+0x63a/0xa40 [ 48.442980][ T3606] ? em_xchg+0xe0/0xe0 [ 48.447078][ T3606] ? string_registers_quirk+0x810/0x810 [ 48.452645][ T3606] ? emulator_write_gpr+0xa3/0xc0 [ 48.457675][ T3606] ? x86_emulate_insn+0x45b/0x3780 [ 48.462791][ T3606] ? xorw_ax_dx+0x10/0x10 [ 48.467132][ T3606] ? kvm_pmu_trigger_event+0x58a/0x5c0 [ 48.472607][ T3606] ? kvm_cpu_has_pending_timer+0x80/0x1f0 [ 48.478341][ T3606] vcpu_run+0x50d/0x10e0 [ 48.482607][ T3606] ? complete_emulated_pio+0x70/0x70 [ 48.487900][ T3606] kvm_arch_vcpu_ioctl_run+0x541/0xd10 [ 48.493467][ T3606] kvm_vcpu_ioctl+0x7ef/0xcf0 [ 48.498143][ T3606] ? print_irqtrace_events+0x220/0x220 [ 48.503635][ T3606] ? kvm_create_vcpu_debugfs+0x1a0/0x1a0 [ 48.509273][ T3606] ? memset+0x1f/0x40 [ 48.513276][ T3606] ? smack_file_ioctl+0x34c/0x3a0 [ 48.518309][ T3606] ? smack_file_alloc_security+0xd0/0xd0 [ 48.523947][ T3606] ? print_irqtrace_events+0x220/0x220 [ 48.529415][ T3606] ? vtime_user_exit+0x2b2/0x3e0 [ 48.534366][ T3606] ? __ct_user_exit+0x81/0xe0 [ 48.539055][ T3606] ? bpf_lsm_file_ioctl+0x5/0x10 [ 48.543985][ T3606] ? security_file_ioctl+0x9d/0xb0 [ 48.549088][ T3606] ? kvm_create_vcpu_debugfs+0x1a0/0x1a0 [ 48.554710][ T3606] __se_sys_ioctl+0xfb/0x170 [ 48.559300][ T3606] do_syscall_64+0x2b/0x70 [ 48.563718][ T3606] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 48.569608][ T3606] RIP: 0033:0x7ff2b6dbcd79 [ 48.574043][ T3606] 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 [ 48.593725][ T3606] RSP: 002b:00007ffc43fa35c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.602131][ T3606] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff2b6dbcd79 [ 48.610095][ T3606] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 48.618061][ T3606] RBP: 00007ff2b6d807d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.626026][ T3606] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff2b6d80860 [ 48.634103][ T3606] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 48.642091][ T3606] [ 48.645523][ T3606] Kernel Offset: disabled [ 48.649912][ T3606] Rebooting in 86400 seconds..