./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1871028366 <...> Warning: Permanently added '10.128.0.152' (ECDSA) to the list of known hosts. execve("./syz-executor1871028366", ["./syz-executor1871028366"], 0x7ffebfb4d920 /* 10 vars */) = 0 brk(NULL) = 0x5555567f0000 brk(0x5555567f0c40) = 0x5555567f0c40 arch_prctl(ARCH_SET_FS, 0x5555567f0300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1871028366", 4096) = 28 brk(0x555556811c40) = 0x555556811c40 brk(0x555556812000) = 0x555556812000 mprotect(0x7f8421616000, 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 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 [ 60.619033][ T5069] 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=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}) = 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, 0x7ffd4d322b30) = 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 [ 60.706684][ T5069] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 60.717631][ T5069] set kvm_intel.dump_invalid_vmcs=1 to dump internal KVM state. [ 60.726389][ T5069] ------------[ cut here ]------------ [ 60.732192][ T5069] WARNING: CPU: 0 PID: 5069 at arch/x86/kvm/x86.c:10882 kvm_arch_vcpu_ioctl_run+0x24da/0x2b90 [ 60.742711][ T5069] Modules linked in: [ 60.746652][ T5069] CPU: 1 PID: 5069 Comm: syz-executor187 Not tainted 6.1.0-rc8-next-20221207-syzkaller #0 [ 60.757298][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 60.767715][ T5069] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x24da/0x2b90 [ 60.774203][ T5069] Code: e8 0b 26 bd 00 e9 83 dd ff ff 48 8b 7c 24 28 e8 5c 25 bd 00 e9 b8 dc ff ff e8 e2 0b 6f 00 0f 0b e9 02 e0 ff ff e8 d6 0b 6f 00 <0f> 0b e9 3a e0 ff ff e8 ca 0b 6f 00 be 08 00 00 00 65 48 8b 1c 25 [ 60.794196][ T5069] RSP: 0018:ffffc90003b6fca8 EFLAGS: 00010293 [ 60.800367][ T5069] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.808579][ T5069] RDX: ffff88807d800000 RSI: ffffffff8112972a RDI: 0000000000000005 [ 60.816751][ T5069] RBP: ffff88807eaa8000 R08: 0000000000000005 R09: 0000000000000000 [ 60.824819][ T5069] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 60.832888][ T5069] R13: ffffc90003b8b470 R14: ffff888022a4c780 R15: ffff88807eaa82ec [ 60.840915][ T5069] FS: 00005555567f0300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 60.849944][ T5069] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.856523][ T5069] CR2: 00005598cb6b45b0 CR3: 000000002b95e000 CR4: 00000000003526e0 [ 60.864557][ T5069] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.872606][ T5069] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.880680][ T5069] Call Trace: [ 60.883982][ T5069] [ 60.887029][ T5069] kvm_vcpu_ioctl+0x574/0xfc0 [ 60.891769][ T5069] ? kvm_release_pfn_dirty+0x220/0x220 [ 60.897517][ T5069] ? find_held_lock+0x2d/0x110 [ 60.902354][ T5069] ? ptrace_notify+0xfe/0x140 [ 60.907267][ T5069] ? lock_downgrade+0x6e0/0x6e0 [ 60.912168][ T5069] ? bpf_lsm_file_ioctl+0x9/0x10 [ 60.917230][ T5069] ? kvm_release_pfn_dirty+0x220/0x220 [ 60.922816][ T5069] __x64_sys_ioctl+0x197/0x210 [ 60.927746][ T5069] do_syscall_64+0x39/0xb0 [ 60.932230][ T5069] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.938302][ T5069] RIP: 0033:0x7f84215aa279 [ 60.942758][ T5069] 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 [ 60.962721][ T5069] RSP: 002b:00007ffd4d324688 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 60.972040][ T5069] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f84215aa279 [ 60.980246][ T5069] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 60.988471][ T5069] RBP: 00007f842156dcd0 R08: 0000000000000000 R09: 0000000000000000 [ 60.996531][ T5069] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f842156dd60 [ 61.004634][ T5069] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 61.012693][ T5069] [ 61.015796][ T5069] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 61.023258][ T5069] CPU: 1 PID: 5069 Comm: syz-executor187 Not tainted 6.1.0-rc8-next-20221207-syzkaller #0 [ 61.033161][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 61.043412][ T5069] Call Trace: [ 61.046720][ T5069] [ 61.049769][ T5069] dump_stack_lvl+0xd1/0x138 [ 61.054754][ T5069] panic+0x2cc/0x626 [ 61.058663][ T5069] ? panic_print_sys_info.part.0+0x110/0x110 [ 61.064663][ T5069] ? kvm_arch_vcpu_ioctl_run+0x24da/0x2b90 [ 61.070513][ T5069] check_panic_on_warn.cold+0x19/0x35 [ 61.075934][ T5069] __warn+0xf2/0x1a0 [ 61.079966][ T5069] ? kvm_arch_vcpu_ioctl_run+0x24da/0x2b90 [ 61.085836][ T5069] report_bug+0x1c0/0x210 [ 61.090272][ T5069] handle_bug+0x3c/0x70 [ 61.094557][ T5069] exc_invalid_op+0x18/0x50 [ 61.099091][ T5069] asm_exc_invalid_op+0x1a/0x20 [ 61.103974][ T5069] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x24da/0x2b90 [ 61.110540][ T5069] Code: e8 0b 26 bd 00 e9 83 dd ff ff 48 8b 7c 24 28 e8 5c 25 bd 00 e9 b8 dc ff ff e8 e2 0b 6f 00 0f 0b e9 02 e0 ff ff e8 d6 0b 6f 00 <0f> 0b e9 3a e0 ff ff e8 ca 0b 6f 00 be 08 00 00 00 65 48 8b 1c 25 [ 61.130275][ T5069] RSP: 0018:ffffc90003b6fca8 EFLAGS: 00010293 [ 61.136389][ T5069] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 61.144391][ T5069] RDX: ffff88807d800000 RSI: ffffffff8112972a RDI: 0000000000000005 [ 61.152563][ T5069] RBP: ffff88807eaa8000 R08: 0000000000000005 R09: 0000000000000000 [ 61.160552][ T5069] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 61.168733][ T5069] R13: ffffc90003b8b470 R14: ffff888022a4c780 R15: ffff88807eaa82ec [ 61.176741][ T5069] ? kvm_arch_vcpu_ioctl_run+0x24da/0x2b90 [ 61.182626][ T5069] ? kvm_arch_vcpu_ioctl_run+0x24da/0x2b90 [ 61.188573][ T5069] kvm_vcpu_ioctl+0x574/0xfc0 [ 61.193389][ T5069] ? kvm_release_pfn_dirty+0x220/0x220 [ 61.198978][ T5069] ? find_held_lock+0x2d/0x110 [ 61.203804][ T5069] ? ptrace_notify+0xfe/0x140 [ 61.209050][ T5069] ? lock_downgrade+0x6e0/0x6e0 [ 61.214047][ T5069] ? bpf_lsm_file_ioctl+0x9/0x10 [ 61.219037][ T5069] ? kvm_release_pfn_dirty+0x220/0x220 [ 61.224531][ T5069] __x64_sys_ioctl+0x197/0x210 [ 61.229342][ T5069] do_syscall_64+0x39/0xb0 [ 61.233804][ T5069] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.239856][ T5069] RIP: 0033:0x7f84215aa279 [ 61.244303][ T5069] 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 [ 61.264032][ T5069] RSP: 002b:00007ffd4d324688 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 61.272592][ T5069] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f84215aa279 [ 61.280597][ T5069] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 61.288608][ T5069] RBP: 00007f842156dcd0 R08: 0000000000000000 R09: 0000000000000000 [ 61.296708][ T5069] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f842156dd60 [ 61.304700][ T5069] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 61.312712][ T5069] [ 61.315936][ T5069] Kernel Offset: disabled [ 61.320402][ T5069] Rebooting in 86400 seconds..