./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3393209839 <...> Warning: Permanently added '10.128.0.68' (ECDSA) to the list of known hosts. execve("./syz-executor3393209839", ["./syz-executor3393209839"], 0x7ffdaa0e7c70 /* 10 vars */) = 0 brk(NULL) = 0x555556e43000 brk(0x555556e43c40) = 0x555556e43c40 arch_prctl(ARCH_SET_FS, 0x555556e43300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3393209839", 4096) = 28 brk(0x555556e64c40) = 0x555556e64c40 brk(0x555556e65000) = 0x555556e65000 mprotect(0x7f62f1f0d000, 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=0x2003d000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=1, flags=0, guest_phys_addr=0x1000, memory_size=4096, userspace_addr=0x2003e000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=2, flags=0, guest_phys_addr=0x2000, memory_size=4096, userspace_addr=0x2003f000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=3, flags=0, guest_phys_addr=0x3000, memory_size=4096, userspace_addr=0x20040000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=4, flags=0, guest_phys_addr=0x4000, memory_size=4096, userspace_addr=0x20041000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=5, flags=0, guest_phys_addr=0x5000, memory_size=4096, userspace_addr=0x20042000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=6, flags=0, guest_phys_addr=0x6000, memory_size=4096, userspace_addr=0x20043000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=7, flags=0, guest_phys_addr=0x7000, memory_size=4096, userspace_addr=0x20044000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=8, flags=0, guest_phys_addr=0x8000, memory_size=4096, userspace_addr=0x20045000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=9, flags=0, guest_phys_addr=0x9000, memory_size=4096, userspace_addr=0x20046000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=10, flags=0, guest_phys_addr=0xfec00000, memory_size=4096, userspace_addr=0x20047000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=11, flags=0, guest_phys_addr=0xb000, memory_size=4096, userspace_addr=0x20048000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=12, flags=0, guest_phys_addr=0xc000, memory_size=4096, userspace_addr=0x20049000}) = 0 [ 80.770307][ T5005] 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=13, flags=0, guest_phys_addr=0xd000, memory_size=4096, userspace_addr=0x2004a000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=14, flags=0, guest_phys_addr=0xe000, memory_size=4096, userspace_addr=0x2004b000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=15, flags=0, guest_phys_addr=0xf000, memory_size=4096, userspace_addr=0x2004c000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=16, flags=0, guest_phys_addr=0x10000, memory_size=4096, userspace_addr=0x2004d000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=17, flags=0, guest_phys_addr=0x11000, memory_size=4096, userspace_addr=0x2004e000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=18, flags=0, guest_phys_addr=0x12000, memory_size=4096, userspace_addr=0x2004f000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=19, flags=0, guest_phys_addr=0x13000, memory_size=4096, userspace_addr=0x20050000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=20, flags=0, guest_phys_addr=0x14000, memory_size=4096, userspace_addr=0x20051000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=21, flags=0, guest_phys_addr=0x15000, memory_size=4096, userspace_addr=0x20052000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=22, flags=0, guest_phys_addr=0x16000, memory_size=4096, userspace_addr=0x20053000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=23, flags=0, guest_phys_addr=0x17000, memory_size=4096, userspace_addr=0x20054000}) = 0 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=65537, flags=0, guest_phys_addr=0x30000, memory_size=65536, userspace_addr=0x2003d000}) = -1 EINVAL (Invalid argument) 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=31, entries=[...]}) = 0 ioctl(5, KVM_SET_CPUID2, {nent=31, entries=[...]}) = 0 close(6) = 0 ioctl(5, KVM_SET_MSRS, 0x7fff166b47c0) = 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_SREGS, {cs={base=0, limit=0, selector=0, type=0, present=0, dpl=0, db=0, s=0, l=0, g=0, avl=0}, ...}) = 0 ioctl(5, KVM_RUN, 0) = 0 [ 80.865513][ T5005] kvm_intel: KVM_SET_TSS_ADDR needs to be called before running vCPU [ 80.875907][ T5005] kvm_intel: set kvm_intel.dump_invalid_vmcs=1 to dump internal KVM state. [ 80.885991][ T5005] ------------[ cut here ]------------ [ 80.891514][ T5005] WARNING: CPU: 0 PID: 5005 at arch/x86/kvm/x86.c:11154 kvm_arch_vcpu_ioctl_run+0x1ee0/0x24f0 [ 80.901865][ T5005] Modules linked in: [ 80.905834][ T5005] CPU: 0 PID: 5005 Comm: syz-executor339 Not tainted 6.4.0-rc2-next-20230515-syzkaller #0 [ 80.915995][ T5005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 80.926122][ T5005] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1ee0/0x24f0 [ 80.932601][ T5005] Code: e8 45 5c c4 00 e9 e6 e2 ff ff 48 8b 7c 24 28 e8 96 5b c4 00 e9 18 e2 ff ff e8 6c 5b 71 00 0f 0b e9 59 e5 ff ff e8 60 5b 71 00 <0f> 0b e9 91 e5 ff ff e8 54 5b 71 00 be 08 00 00 00 65 48 8b 1c 25 [ 80.952368][ T5005] RSP: 0018:ffffc9000396fcb8 EFLAGS: 00010293 [ 80.958620][ T5005] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 80.967079][ T5005] RDX: ffff888027f60000 RSI: ffffffff8112c850 RDI: 0000000000000005 [ 80.975159][ T5005] RBP: ffff88807d400000 R08: 0000000000000005 R09: 0000000000000000 [ 80.983177][ T5005] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 [ 80.991363][ T5005] R13: ffffc900015b7908 R14: ffff8880204a9b40 R15: ffff88807d4002ec [ 80.999465][ T5005] FS: 0000555556e43300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 81.008518][ T5005] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.015172][ T5005] CR2: 0000000000000000 CR3: 0000000074e4b000 CR4: 00000000003526f0 [ 81.023170][ T5005] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 81.031232][ T5005] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 81.039271][ T5005] Call Trace: [ 81.042575][ T5005] [ 81.045610][ T5005] kvm_vcpu_ioctl+0x574/0xea0 [ 81.050342][ T5005] ? kvm_vcpu_fault+0x4f0/0x4f0 [ 81.055299][ T5005] ? find_held_lock+0x2d/0x110 [ 81.060120][ T5005] ? ptrace_notify+0xfe/0x140 [ 81.064818][ T5005] ? lock_downgrade+0x690/0x690 [ 81.069782][ T5005] ? bpf_lsm_file_ioctl+0x9/0x10 [ 81.074750][ T5005] ? kvm_vcpu_fault+0x4f0/0x4f0 [ 81.079665][ T5005] __x64_sys_ioctl+0x197/0x210 [ 81.084473][ T5005] do_syscall_64+0x39/0xb0 [ 81.089013][ T5005] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 81.094995][ T5005] RIP: 0033:0x7f62f1ea1279 [ 81.099432][ T5005] 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 [ 81.119141][ T5005] RSP: 002b:00007fff166b6318 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 81.127643][ T5005] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f62f1ea1279 [ 81.135715][ T5005] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 81.143715][ T5005] RBP: 00007f62f1e64cd0 R08: 0000000000000000 R09: 0000000000000000 [ 81.151767][ T5005] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f62f1e64d60 [ 81.159826][ T5005] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 81.167901][ T5005] [ 81.170948][ T5005] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 81.178239][ T5005] CPU: 0 PID: 5005 Comm: syz-executor339 Not tainted 6.4.0-rc2-next-20230515-syzkaller #0 [ 81.188154][ T5005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 81.198226][ T5005] Call Trace: [ 81.201519][ T5005] [ 81.204500][ T5005] dump_stack_lvl+0xd9/0x150 [ 81.209140][ T5005] panic+0x686/0x730 [ 81.213073][ T5005] ? panic_smp_self_stop+0xa0/0xa0 [ 81.218219][ T5005] ? show_trace_log_lvl+0x285/0x390 [ 81.223468][ T5005] ? kvm_arch_vcpu_ioctl_run+0x1ee0/0x24f0 [ 81.229305][ T5005] check_panic_on_warn+0xb1/0xc0 [ 81.234288][ T5005] __warn+0xf2/0x390 [ 81.238225][ T5005] ? kvm_arch_vcpu_ioctl_run+0x1ee0/0x24f0 [ 81.244060][ T5005] report_bug+0x2da/0x500 [ 81.248450][ T5005] handle_bug+0x3c/0x70 [ 81.252643][ T5005] exc_invalid_op+0x18/0x50 [ 81.257186][ T5005] asm_exc_invalid_op+0x1a/0x20 [ 81.262077][ T5005] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1ee0/0x24f0 [ 81.268517][ T5005] Code: e8 45 5c c4 00 e9 e6 e2 ff ff 48 8b 7c 24 28 e8 96 5b c4 00 e9 18 e2 ff ff e8 6c 5b 71 00 0f 0b e9 59 e5 ff ff e8 60 5b 71 00 <0f> 0b e9 91 e5 ff ff e8 54 5b 71 00 be 08 00 00 00 65 48 8b 1c 25 [ 81.288151][ T5005] RSP: 0018:ffffc9000396fcb8 EFLAGS: 00010293 [ 81.294251][ T5005] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 81.302239][ T5005] RDX: ffff888027f60000 RSI: ffffffff8112c850 RDI: 0000000000000005 [ 81.310238][ T5005] RBP: ffff88807d400000 R08: 0000000000000005 R09: 0000000000000000 [ 81.318230][ T5005] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 [ 81.326230][ T5005] R13: ffffc900015b7908 R14: ffff8880204a9b40 R15: ffff88807d4002ec [ 81.334230][ T5005] ? kvm_arch_vcpu_ioctl_run+0x1ee0/0x24f0 [ 81.340072][ T5005] ? kvm_arch_vcpu_ioctl_run+0x1ee0/0x24f0 [ 81.345912][ T5005] kvm_vcpu_ioctl+0x574/0xea0 [ 81.350607][ T5005] ? kvm_vcpu_fault+0x4f0/0x4f0 [ 81.355484][ T5005] ? find_held_lock+0x2d/0x110 [ 81.360289][ T5005] ? ptrace_notify+0xfe/0x140 [ 81.365001][ T5005] ? lock_downgrade+0x690/0x690 [ 81.369898][ T5005] ? bpf_lsm_file_ioctl+0x9/0x10 [ 81.374878][ T5005] ? kvm_vcpu_fault+0x4f0/0x4f0 [ 81.379751][ T5005] __x64_sys_ioctl+0x197/0x210 [ 81.384541][ T5005] do_syscall_64+0x39/0xb0 [ 81.388999][ T5005] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 81.394960][ T5005] RIP: 0033:0x7f62f1ea1279 [ 81.399400][ T5005] 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 [ 81.419028][ T5005] RSP: 002b:00007fff166b6318 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 81.427501][ T5005] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f62f1ea1279 [ 81.435491][ T5005] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 81.443567][ T5005] RBP: 00007f62f1e64cd0 R08: 0000000000000000 R09: 0000000000000000 [ 81.451558][ T5005] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f62f1e64d60 [ 81.459548][ T5005] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 81.467554][ T5005] [ 81.470836][ T5005] Kernel Offset: disabled [ 81.475266][ T5005] Rebooting in 86400 seconds..