./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3323107182
<...>
DUID 00:04:98:96:05:40:f2:aa:0a:66:7a:29:c2:20:2e:76:e0:ec
forked to background, child pid 3183
[ 23.474322][ T3184] 8021q: adding VLAN 0 to HW filter on device bond0
[ 23.483654][ T3184] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.103' (ECDSA) to the list of known hosts.
execve("./syz-executor3323107182", ["./syz-executor3323107182"], 0x7ffc90657200 /* 10 vars */) = 0
brk(NULL) = 0x555555616000
brk(0x555555616c40) = 0x555555616c40
arch_prctl(ARCH_SET_FS, 0x555555616300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor3323107182", 4096) = 28
brk(0x555555637c40) = 0x555555637c40
brk(0x555555638000) = 0x555555638000
mprotect(0x7f9e96510000, 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
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, 0x7ffc22de2a80) = 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
syzkaller login: [ 39.726321][ T3611] 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_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_NMI, 0) = 0
[ 39.781164][ T3611] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu
[ 39.790756][ T3611] ------------[ cut here ]------------
[ 39.796262][ T3611] WARNING: CPU: 0 PID: 3611 at arch/x86/kvm/x86.c:10047 vcpu_enter_guest+0x92c/0x5a10
[ 39.806126][ T3611] Modules linked in:
[ 39.810137][ T3611] CPU: 0 PID: 3611 Comm: syz-executor332 Not tainted 6.1.0-rc2-syzkaller-00078-g98555239e4c3 #0
[ 39.820581][ T3611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
[ 39.830659][ T3611] RIP: 0010:vcpu_enter_guest+0x92c/0x5a10
[ 39.836377][ T3611] Code: c0 74 06 0f 8e d2 4f 00 00 45 0f b6 b4 24 e8 08 00 00 31 ff 44 89 f6 e8 72 db 6a 00 45 84 f6 0f 84 d4 41 00 00 e8 d4 de 6a 00 <0f> 0b e9 1e 11 00 00 e8 c8 de 6a 00 be 08 00 00 00 4c 89 ff e8 4b
[ 39.856049][ T3611] RSP: 0018:ffffc90003c2fb60 EFLAGS: 00010293
[ 39.862131][ T3611] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 39.870157][ T3611] RDX: ffff888020a18000 RSI: ffffffff8111bdac RDI: 0000000000000001
[ 39.878225][ T3611] RBP: ffffc90003c2fc80 R08: 0000000000000001 R09: 0000000000000000
[ 39.886193][ T3611] R10: 0000000000000001 R11: 000000000008c07e R12: ffff88801d78c000
[ 39.894283][ T3611] R13: 0000000000000000 R14: 0000000000000001 R15: ffff88801d78c038
[ 39.902282][ T3611] FS: 0000555555616300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
[ 39.911226][ T3611] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 39.917851][ T3611] CR2: 000056393be9d068 CR3: 0000000079c45000 CR4: 00000000003526e0
[ 39.925820][ T3611] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 39.933802][ T3611] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 39.941791][ T3611] Call Trace:
[ 39.945057][ T3611]
[ 39.948000][ T3611] ? vmx_prepare_switch_to_guest+0x7d0/0x7d0
[ 39.954002][ T3611] ? kvm_check_nested_events+0x100/0x100
[ 39.959661][ T3611] ? kernel_fpu_begin_mask+0x260/0x260
[ 39.965133][ T3611] ? kvm_arch_vcpu_load+0x3a9/0x830
[ 39.970354][ T3611] ? __local_bh_enable_ip+0xa0/0x120
[ 39.975649][ T3611] ? trace_hardirqs_on+0x2d/0x160
[ 39.980702][ T3611] ? fpu_swap_kvm_fpstate+0x1a6/0x400
[ 39.986095][ T3611] ? kvm_arch_vcpu_ioctl_run+0xa5e/0x2b30
[ 39.992021][ T3611] kvm_arch_vcpu_ioctl_run+0xa5e/0x2b30
[ 39.997592][ T3611] kvm_vcpu_ioctl+0x570/0xfc0
[ 40.002294][ T3611] ? kvm_release_pfn_dirty+0x220/0x220
[ 40.007794][ T3611] ? rcu_read_lock_sched_held+0xd/0x70
[ 40.013325][ T3611] ? lock_release+0x5cb/0x810
[ 40.018091][ T3611] ? ptrace_notify+0xfa/0x140
[ 40.022779][ T3611] ? lock_downgrade+0x6e0/0x6e0
[ 40.027622][ T3611] ? bpf_lsm_file_ioctl+0x5/0x10
[ 40.032579][ T3611] ? kvm_release_pfn_dirty+0x220/0x220
[ 40.038081][ T3611] __x64_sys_ioctl+0x193/0x200
[ 40.042848][ T3611] do_syscall_64+0x35/0xb0
[ 40.047269][ T3611] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 40.053209][ T3611] RIP: 0033:0x7f9e964a4289
[ 40.057635][ T3611] 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
[ 40.077282][ T3611] RSP: 002b:00007ffc22de45d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 40.085747][ T3611] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9e964a4289
[ 40.093734][ T3611] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005
[ 40.101779][ T3611] RBP: 00007f9e96467ce0 R08: 0000000000000000 R09: 0000000000000000
[ 40.109808][ T3611] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9e96467d70
[ 40.117819][ T3611] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 40.125804][ T3611]
[ 40.128847][ T3611] Kernel panic - not syncing: panic_on_warn set ...
[ 40.135428][ T3611] CPU: 1 PID: 3611 Comm: syz-executor332 Not tainted 6.1.0-rc2-syzkaller-00078-g98555239e4c3 #0
[ 40.145823][ T3611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
[ 40.155862][ T3611] Call Trace:
[ 40.159125][ T3611]
[ 40.162041][ T3611] dump_stack_lvl+0xcd/0x134
[ 40.166626][ T3611] panic+0x2c8/0x622
[ 40.170513][ T3611] ? panic_print_sys_info.part.0+0x110/0x110
[ 40.176488][ T3611] ? __warn.cold+0x24b/0x350
[ 40.181070][ T3611] ? vcpu_enter_guest+0x92c/0x5a10
[ 40.186175][ T3611] __warn.cold+0x25c/0x350
[ 40.190581][ T3611] ? vcpu_enter_guest+0x92c/0x5a10
[ 40.195683][ T3611] report_bug+0x1bc/0x210
[ 40.200002][ T3611] handle_bug+0x3c/0x70
[ 40.204150][ T3611] exc_invalid_op+0x14/0x40
[ 40.208643][ T3611] asm_exc_invalid_op+0x16/0x20
[ 40.213484][ T3611] RIP: 0010:vcpu_enter_guest+0x92c/0x5a10
[ 40.219195][ T3611] Code: c0 74 06 0f 8e d2 4f 00 00 45 0f b6 b4 24 e8 08 00 00 31 ff 44 89 f6 e8 72 db 6a 00 45 84 f6 0f 84 d4 41 00 00 e8 d4 de 6a 00 <0f> 0b e9 1e 11 00 00 e8 c8 de 6a 00 be 08 00 00 00 4c 89 ff e8 4b
[ 40.238798][ T3611] RSP: 0018:ffffc90003c2fb60 EFLAGS: 00010293
[ 40.244868][ T3611] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 40.252838][ T3611] RDX: ffff888020a18000 RSI: ffffffff8111bdac RDI: 0000000000000001
[ 40.260812][ T3611] RBP: ffffc90003c2fc80 R08: 0000000000000001 R09: 0000000000000000
[ 40.268780][ T3611] R10: 0000000000000001 R11: 000000000008c07e R12: ffff88801d78c000
[ 40.276770][ T3611] R13: 0000000000000000 R14: 0000000000000001 R15: ffff88801d78c038
[ 40.284755][ T3611] ? vcpu_enter_guest+0x92c/0x5a10
[ 40.289898][ T3611] ? vmx_prepare_switch_to_guest+0x7d0/0x7d0
[ 40.295905][ T3611] ? kvm_check_nested_events+0x100/0x100
[ 40.301561][ T3611] ? kernel_fpu_begin_mask+0x260/0x260
[ 40.307036][ T3611] ? kvm_arch_vcpu_load+0x3a9/0x830
[ 40.312251][ T3611] ? __local_bh_enable_ip+0xa0/0x120
[ 40.317546][ T3611] ? trace_hardirqs_on+0x2d/0x160
[ 40.322576][ T3611] ? fpu_swap_kvm_fpstate+0x1a6/0x400
[ 40.327964][ T3611] ? kvm_arch_vcpu_ioctl_run+0xa5e/0x2b30
[ 40.333698][ T3611] kvm_arch_vcpu_ioctl_run+0xa5e/0x2b30
[ 40.339268][ T3611] kvm_vcpu_ioctl+0x570/0xfc0
[ 40.343967][ T3611] ? kvm_release_pfn_dirty+0x220/0x220
[ 40.349449][ T3611] ? rcu_read_lock_sched_held+0xd/0x70
[ 40.354911][ T3611] ? lock_release+0x5cb/0x810
[ 40.359591][ T3611] ? ptrace_notify+0xfa/0x140
[ 40.364273][ T3611] ? lock_downgrade+0x6e0/0x6e0
[ 40.369138][ T3611] ? bpf_lsm_file_ioctl+0x5/0x10
[ 40.374084][ T3611] ? kvm_release_pfn_dirty+0x220/0x220
[ 40.379592][ T3611] __x64_sys_ioctl+0x193/0x200
[ 40.384387][ T3611] do_syscall_64+0x35/0xb0
[ 40.388832][ T3611] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 40.394747][ T3611] RIP: 0033:0x7f9e964a4289
[ 40.399175][ T3611] 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
[ 40.418788][ T3611] RSP: 002b:00007ffc22de45d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 40.427207][ T3611] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9e964a4289
[ 40.435179][ T3611] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005
[ 40.443148][ T3611] RBP: 00007f9e96467ce0 R08: 0000000000000000 R09: 0000000000000000
[ 40.451118][ T3611] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9e96467d70
[ 40.459087][ T3611] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 40.467065][ T3611]
[ 40.470250][ T3611] Kernel Offset: disabled
[ 40.474565][ T3611] Rebooting in 86400 seconds..