./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2950966312 <...> Warning: Permanently added '10.128.1.200' (ED25519) to the list of known hosts. execve("./syz-executor2950966312", ["./syz-executor2950966312"], 0x7fffafbb2750 /* 10 vars */) = 0 brk(NULL) = 0x55555567d000 brk(0x55555567dd00) = 0x55555567dd00 arch_prctl(ARCH_SET_FS, 0x55555567d380) = 0 set_tid_address(0x55555567d650) = 5015 set_robust_list(0x55555567d660, 24) = 0 rseq(0x55555567dca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2950966312", 4096) = 28 getrandom("\xc6\x44\xc8\xcd\x96\xc0\x1f\x84", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555567dd00 brk(0x55555569ed00) = 0x55555569ed00 brk(0x55555569f000) = 0x55555569f000 mprotect(0x7f8d573ea000, 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 [ 83.461524][ T26] audit: type=1400 audit(1689152393.119:83): avc: denied { write } for pid=5012 comm="strace-static-x" path="pipe:[30035]" dev="pipefs" ino=30035 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3 [ 83.505739][ T26] audit: type=1400 audit(1689152393.169:84): avc: denied { execmem } for pid=5015 comm="syz-executor295" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 83.512933][ T5015] 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. [ 83.525889][ T26] audit: type=1400 audit(1689152393.169:85): avc: denied { read } for pid=5015 comm="syz-executor295" name="kvm" dev="devtmpfs" ino=84 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:kvm_device_t tclass=chr_file permissive=1 [ 83.565963][ T26] audit: type=1400 audit(1689152393.169:86): avc: denied { open } for pid=5015 comm="syz-executor295" path="/dev/kvm" dev="devtmpfs" ino=84 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:kvm_device_t tclass=chr_file permissive=1 ioctl(3, KVM_CREATE_VM, 0) = 4 ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=0, flags=0, guest_phys_addr=0, memory_size=536879104, userspace_addr=0x20000000}) = 0 ioctl(4, KVM_CREATE_VCPU, 0) = 5 ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=0, flags=0, guest_phys_addr=0, memory_size=4096, userspace_addr=0x20000000}) = -1 EBADF (Bad file descriptor) ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=1, flags=0, guest_phys_addr=0x1000, memory_size=4096, userspace_addr=0x20001000}) = -1 EBADF (Bad file descriptor) ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=2, flags=0, guest_phys_addr=0x2000, memory_size=4096, userspace_addr=0x20002000}) = -1 EBADF (Bad file descriptor) ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=3, flags=0, guest_phys_addr=0x3000, memory_size=4096, userspace_addr=0x20003000}) = -1 EBADF (Bad file descriptor) ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=4, flags=0, guest_phys_addr=0x4000, memory_size=4096, userspace_addr=0x20004000}) = -1 EBADF (Bad file descriptor) ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=5, flags=0, guest_phys_addr=0x5000, memory_size=4096, userspace_addr=0x20005000}) = -1 EBADF (Bad file descriptor) ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=6, flags=0, guest_phys_addr=0x6000, memory_size=4096, userspace_addr=0x20006000}) = -1 EBADF (Bad file descriptor) ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=7, flags=0, guest_phys_addr=0x7000, memory_size=4096, userspace_addr=0x20007000}) = -1 EBADF (Bad file descriptor) ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=8, flags=0, guest_phys_addr=0x8000, memory_size=4096, userspace_addr=0x20008000}) = -1 EBADF (Bad file descriptor) ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=9, flags=0, guest_phys_addr=0x9000, memory_size=4096, userspace_addr=0x20009000}) = -1 EBADF (Bad file descriptor) ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=10, flags=0, guest_phys_addr=0xfec00000, memory_size=4096, userspace_addr=0x2000a000}) = -1 EBADF (Bad file descriptor) ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=11, flags=0, guest_phys_addr=0xb000, memory_size=4096, userspace_addr=0x2000b000}) = -1 EBADF (Bad file descriptor) ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=12, flags=0, guest_phys_addr=0xc000, memory_size=4096, userspace_addr=0x2000c000}) = -1 EBADF (Bad file descriptor) ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=13, flags=0, guest_phys_addr=0xd000, memory_size=4096, userspace_addr=0x2000d000}) = -1 EBADF (Bad file descriptor) ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=14, flags=0, guest_phys_addr=0xe000, memory_size=4096, userspace_addr=0x2000e000}) = -1 EBADF (Bad file descriptor) ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=15, flags=0, guest_phys_addr=0xf000, memory_size=4096, userspace_addr=0x2000f000}) = -1 EBADF (Bad file descriptor) ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=16, flags=0, guest_phys_addr=0x10000, memory_size=4096, userspace_addr=0x20010000}) = -1 EBADF (Bad file descriptor) ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=17, flags=0, guest_phys_addr=0x11000, memory_size=4096, userspace_addr=0x20011000}) = -1 EBADF (Bad file descriptor) ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=18, flags=0, guest_phys_addr=0x12000, memory_size=4096, userspace_addr=0x20012000}) = -1 EBADF (Bad file descriptor) ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=19, flags=0, guest_phys_addr=0x13000, memory_size=4096, userspace_addr=0x20013000}) = -1 EBADF (Bad file descriptor) ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=20, flags=0, guest_phys_addr=0x14000, memory_size=4096, userspace_addr=0x20014000}) = -1 EBADF (Bad file descriptor) ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=21, flags=0, guest_phys_addr=0x15000, memory_size=4096, userspace_addr=0x20015000}) = -1 EBADF (Bad file descriptor) ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=22, flags=0, guest_phys_addr=0x16000, memory_size=4096, userspace_addr=0x20016000}) = -1 EBADF (Bad file descriptor) ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=23, flags=0, guest_phys_addr=0x17000, memory_size=4096, userspace_addr=0x20017000}) = -1 EBADF (Bad file descriptor) ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=65537, flags=0, guest_phys_addr=0x30000, memory_size=65536, userspace_addr=0x20000000}) = -1 EBADF (Bad file descriptor) 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 [ 83.589952][ T26] audit: type=1400 audit(1689152393.169:87): avc: denied { ioctl } for pid=5015 comm="syz-executor295" path="/dev/kvm" dev="devtmpfs" ino=84 ioctlcmd=0xae01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:kvm_device_t tclass=chr_file permissive=1 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, 0x7ffd63046110) = 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 modify_ldt(17, {entry_number=1471, base_addr=0x20000800, limit=00000000, seg_32bit=0, contents=0, read_exec_only=0, limit_in_pages=0, seg_not_present=0, useable=0, lm=0}, 16) = 0 [ 83.650541][ T26] audit: type=1400 audit(1689152393.309:88): avc: denied { write } for pid=5015 comm="syz-executor295" name="kvm" dev="devtmpfs" ino=84 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:kvm_device_t tclass=chr_file permissive=1 [ 83.685638][ T5015] ------------[ cut here ]------------ [ 83.691307][ T5015] WARNING: CPU: 1 PID: 5015 at arch/x86/kvm/vmx/vmx.c:5216 handle_exception_nmi+0xe5b/0xfb0 [ 83.701660][ T5015] Modules linked in: [ 83.705678][ T5015] CPU: 1 PID: 5015 Comm: syz-executor295 Not tainted 6.5.0-rc1-syzkaller-00006-g3f01e9fed845 #0 [ 83.716240][ T5015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 [ 83.726385][ T5015] RIP: 0010:handle_exception_nmi+0xe5b/0xfb0 [ 83.732415][ T5015] Code: e8 aa 59 60 00 48 89 ef e8 02 ed fd ff 31 ff 89 c3 89 c6 e8 b7 55 60 00 85 db 75 98 e8 8e 59 60 00 0f 0b eb 8f e8 85 59 60 00 <0f> 0b e9 2e f7 ff ff 48 8b 7c 24 10 e8 94 99 b2 00 e9 d0 f1 ff ff [ 83.752145][ T5015] RSP: 0018:ffffc900033dfab8 EFLAGS: 00010293 [ 83.758297][ T5015] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 83.766371][ T5015] RDX: ffff88807adb00c0 RSI: ffffffff8123a90b RDI: 0000000000000001 [ 83.774431][ T5015] RBP: ffff888073844040 R08: 0000000000000001 R09: 0000000000000000 [ 83.782435][ T5015] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000020c2c748 [ 83.791275][ T5015] R13: 0000000000000000 R14: 0000000080000300 R15: 0000000000000000 [ 83.799347][ T5015] FS: 000055555567d380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 83.808399][ T5015] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.815061][ T5015] CR2: 0000000000000000 CR3: 000000002d1f8000 CR4: 00000000003526e0 [ 83.823202][ T5015] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.831227][ T5015] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.839323][ T5015] Call Trace: [ 83.842732][ T5015] [ 83.845762][ T5015] ? __warn+0xe6/0x390 [ 83.849877][ T5015] ? handle_exception_nmi+0xe5b/0xfb0 [ 83.855330][ T5015] ? report_bug+0x2da/0x500 [ 83.859898][ T5015] ? handle_bug+0x3c/0x70 [ 83.864322][ T5015] ? exc_invalid_op+0x18/0x50 [ 83.869038][ T5015] ? asm_exc_invalid_op+0x1a/0x20 [ 83.874158][ T5015] ? handle_exception_nmi+0xe5b/0xfb0 [ 83.879596][ T5015] ? handle_exception_nmi+0xe5b/0xfb0 [ 83.885101][ T5015] ? handle_exception_nmi+0xe5b/0xfb0 [ 83.891230][ T5015] ? vmx_guest_inject_ac+0x170/0x170 [ 83.896601][ T5015] vmx_handle_exit+0x49e/0x19b0 [ 83.901497][ T5015] vcpu_enter_guest+0x372a/0x6020 [ 83.906640][ T5015] ? lock_sync+0x190/0x190 [ 83.911107][ T5015] ? kvm_check_nested_events+0xf0/0xf0 [ 83.916655][ T5015] ? folio_memcg_unlock+0x2d0/0x2d0 [ 83.921920][ T5015] ? __local_bh_enable_ip+0xa4/0x130 [ 83.927327][ T5015] ? lockdep_hardirqs_on+0x7d/0x100 [ 83.932575][ T5015] ? kvm_arch_vcpu_ioctl_run+0xa35/0x2820 [ 83.938408][ T5015] kvm_arch_vcpu_ioctl_run+0xa35/0x2820 [ 83.944047][ T5015] kvm_vcpu_ioctl+0x574/0xe90 [ 83.948749][ T5015] ? kvm_vcpu_kick+0x4c0/0x4c0 [ 83.953609][ T5015] ? ioctl_has_perm.constprop.0.isra.0+0x2a4/0x420 [ 83.960177][ T5015] ? selinux_bprm_creds_for_exec+0xb20/0xb20 [ 83.966397][ T5015] ? find_held_lock+0x2d/0x110 [ 83.971204][ T5015] ? ptrace_notify+0xfe/0x140 [ 83.975974][ T5015] ? lock_downgrade+0x690/0x690 [ 83.980944][ T5015] ? selinux_file_ioctl+0xba/0x280 [ 83.986238][ T5015] ? kvm_vcpu_kick+0x4c0/0x4c0 [ 83.991057][ T5015] __x64_sys_ioctl+0x19d/0x210 [ 83.996029][ T5015] do_syscall_64+0x39/0xb0 [ 84.000519][ T5015] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 84.006560][ T5015] RIP: 0033:0x7f8d573770f9 [ 84.011098][ T5015] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 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 b8 ff ff ff f7 d8 64 89 01 48 [ 84.030919][ T5015] RSP: 002b:00007ffd63047c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 84.039570][ T5015] RAX: ffffffffffffffda RBX: 00007ffd63047e38 RCX: 00007f8d573770f9 [ 84.047662][ T5015] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 84.055700][ T5015] RBP: 00007f8d573ea610 R08: 00007ffd63047e38 R09: 00007ffd63047e38 [ 84.063812][ T5015] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 84.071852][ T5015] R13: 00007ffd63047e28 R14: 0000000000000001 R15: 0000000000000001 [ 84.079921][ T5015] [ 84.082975][ T5015] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 84.090271][ T5015] CPU: 1 PID: 5015 Comm: syz-executor295 Not tainted 6.5.0-rc1-syzkaller-00006-g3f01e9fed845 #0 [ 84.100800][ T5015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 [ 84.110908][ T5015] Call Trace: [ 84.114210][ T5015] [ 84.117160][ T5015] dump_stack_lvl+0xd9/0x150 [ 84.121801][ T5015] panic+0x686/0x730 [ 84.125726][ T5015] ? panic_smp_self_stop+0xa0/0xa0 [ 84.130870][ T5015] ? show_trace_log_lvl+0x284/0x390 [ 84.136192][ T5015] ? handle_exception_nmi+0xe5b/0xfb0 [ 84.141596][ T5015] check_panic_on_warn+0xb1/0xc0 [ 84.146569][ T5015] __warn+0xf2/0x390 [ 84.150501][ T5015] ? handle_exception_nmi+0xe5b/0xfb0 [ 84.155906][ T5015] report_bug+0x2da/0x500 [ 84.160278][ T5015] handle_bug+0x3c/0x70 [ 84.164458][ T5015] exc_invalid_op+0x18/0x50 [ 84.168992][ T5015] asm_exc_invalid_op+0x1a/0x20 [ 84.173870][ T5015] RIP: 0010:handle_exception_nmi+0xe5b/0xfb0 [ 84.179882][ T5015] Code: e8 aa 59 60 00 48 89 ef e8 02 ed fd ff 31 ff 89 c3 89 c6 e8 b7 55 60 00 85 db 75 98 e8 8e 59 60 00 0f 0b eb 8f e8 85 59 60 00 <0f> 0b e9 2e f7 ff ff 48 8b 7c 24 10 e8 94 99 b2 00 e9 d0 f1 ff ff [ 84.199526][ T5015] RSP: 0018:ffffc900033dfab8 EFLAGS: 00010293 [ 84.205622][ T5015] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 84.213615][ T5015] RDX: ffff88807adb00c0 RSI: ffffffff8123a90b RDI: 0000000000000001 [ 84.221609][ T5015] RBP: ffff888073844040 R08: 0000000000000001 R09: 0000000000000000 [ 84.229605][ T5015] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000020c2c748 [ 84.237602][ T5015] R13: 0000000000000000 R14: 0000000080000300 R15: 0000000000000000 [ 84.245602][ T5015] ? handle_exception_nmi+0xe5b/0xfb0 [ 84.251012][ T5015] ? handle_exception_nmi+0xe5b/0xfb0 [ 84.256413][ T5015] ? vmx_guest_inject_ac+0x170/0x170 [ 84.261727][ T5015] vmx_handle_exit+0x49e/0x19b0 [ 84.266617][ T5015] vcpu_enter_guest+0x372a/0x6020 [ 84.271683][ T5015] ? lock_sync+0x190/0x190 [ 84.276134][ T5015] ? kvm_check_nested_events+0xf0/0xf0 [ 84.281655][ T5015] ? folio_memcg_unlock+0x2d0/0x2d0 [ 84.286898][ T5015] ? __local_bh_enable_ip+0xa4/0x130 [ 84.292235][ T5015] ? lockdep_hardirqs_on+0x7d/0x100 [ 84.297471][ T5015] ? kvm_arch_vcpu_ioctl_run+0xa35/0x2820 [ 84.303231][ T5015] kvm_arch_vcpu_ioctl_run+0xa35/0x2820 [ 84.308815][ T5015] kvm_vcpu_ioctl+0x574/0xe90 [ 84.313518][ T5015] ? kvm_vcpu_kick+0x4c0/0x4c0 [ 84.318341][ T5015] ? ioctl_has_perm.constprop.0.isra.0+0x2a4/0x420 [ 84.324913][ T5015] ? selinux_bprm_creds_for_exec+0xb20/0xb20 [ 84.330931][ T5015] ? find_held_lock+0x2d/0x110 [ 84.335730][ T5015] ? ptrace_notify+0xfe/0x140 [ 84.340455][ T5015] ? lock_downgrade+0x690/0x690 [ 84.345348][ T5015] ? selinux_file_ioctl+0xba/0x280 [ 84.350511][ T5015] ? kvm_vcpu_kick+0x4c0/0x4c0 [ 84.355329][ T5015] __x64_sys_ioctl+0x19d/0x210 [ 84.360224][ T5015] do_syscall_64+0x39/0xb0 [ 84.364667][ T5015] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 84.370625][ T5015] RIP: 0033:0x7f8d573770f9 [ 84.375064][ T5015] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 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 b8 ff ff ff f7 d8 64 89 01 48 [ 84.394717][ T5015] RSP: 002b:00007ffd63047c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 84.403191][ T5015] RAX: ffffffffffffffda RBX: 00007ffd63047e38 RCX: 00007f8d573770f9 [ 84.411185][ T5015] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 84.419203][ T5015] RBP: 00007f8d573ea610 R08: 00007ffd63047e38 R09: 00007ffd63047e38 [ 84.427209][ T5015] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 84.435206][ T5015] R13: 00007ffd63047e28 R14: 0000000000000001 R15: 0000000000000001 [ 84.443207][ T5015] [ 84.446544][ T5015] Kernel Offset: disabled [ 84.451011][ T5015] Rebooting in 86400 seconds..