./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3939161152
<...>
Warning: Permanently added '10.128.1.11' (ED25519) to the list of known hosts.
execve("./syz-executor3939161152", ["./syz-executor3939161152"], 0x7ffdc91b6070 /* 10 vars */) = 0
brk(NULL) = 0x555556c0e000
brk(0x555556c0ed00) = 0x555556c0ed00
arch_prctl(ARCH_SET_FS, 0x555556c0e380) = 0
set_tid_address(0x555556c0e650) = 356
set_robust_list(0x555556c0e660, 24) = 0
rseq(0x555556c0eca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3939161152", 4096) = 28
getrandom("\x86\x95\xe1\xa3\xa4\x41\x17\x99", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555556c0ed00
brk(0x555556c2fd00) = 0x555556c2fd00
brk(0x555556c30000) = 0x555556c30000
mprotect(0x7f82c32fd000, 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
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c0e650) = 357
./strace-static-x86_64: Process 357 attached
[pid 357] set_robust_list(0x555556c0e660, 24) = 0
[pid 357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 357] setpgid(0, 0) = 0
[pid 357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 357] write(3, "1000", 4) = 4
[pid 357] close(3) = 0
[pid 357] write(1, "executing program\n", 18executing program
) = 18
[pid 357] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[ 23.041735][ T23] audit: type=1400 audit(1718939024.829:66): avc: denied { execmem } for pid=356 comm="syz-executor393" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 23.067538][ T23] audit: type=1400 audit(1718939024.859:67): avc: denied { read } for pid=357 comm="syz-executor393" name="kvm" dev="devtmpfs" ino=116 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:kvm_device_t tclass=chr_file permissive=1
[ 23.073642][ T357] 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.
[ 23.090229][ T23] audit: type=1400 audit(1718939024.859:68): avc: denied { open } for pid=357 comm="syz-executor393" path="/dev/kvm" dev="devtmpfs" ino=116 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:kvm_device_t tclass=chr_file permissive=1
[pid 357] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 357] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0
[pid 357] ioctl(4, KVM_CREATE_VCPU, 0) = 5
[ 23.090245][ T23] audit: type=1400 audit(1718939024.859:69): avc: denied { ioctl } for pid=357 comm="syz-executor393" path="/dev/kvm" dev="devtmpfs" ino=116 ioctlcmd=0xae01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:kvm_device_t tclass=chr_file permissive=1
[ 23.181836][ T357] BUG: kernel NULL pointer dereference, address: 0000000000000086
[ 23.189437][ T357] #PF: supervisor instruction fetch in kernel mode
[ 23.195771][ T357] #PF: error_code(0x0010) - not-present page
[ 23.201591][ T357] PGD 1dc66e067 P4D 1dc66e067 PUD 1dc66f067 PMD 0
[ 23.207924][ T357] Oops: 0010 [#1] PREEMPT SMP KASAN
[ 23.212960][ T357] CPU: 1 PID: 357 Comm: syz-executor393 Not tainted 5.4.274-syzkaller-00002-g6f97bd951d82 #0
[ 23.222940][ T357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 23.232847][ T357] RIP: 0010:0x86
[ 23.236222][ T357] Code: Bad RIP value.
[ 23.240126][ T357] RSP: 0018:ffff8881dc1f7308 EFLAGS: 00010086
[ 23.246028][ T357] RAX: ffff8881dc1f7338 RBX: dffffc0000000000 RCX: ffff8881dc1ebf00
[ 23.253836][ T357] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
[ 23.261650][ T357] RBP: 0000000000000270 R08: ffffffff82316ca1 R09: ffffffff811c90d5
[ 23.269460][ T357] R10: ffff8881dc1ebf00 R11: 0000000000000002 R12: ffffffff84600228
[ 23.277275][ T357] R13: fffffe0000000278 R14: ffff8881dc2d8000 R15: fffffe000000027b
[ 23.285084][ T357] FS: 0000555556c0e380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 23.293849][ T357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 23.300278][ T357] CR2: 000000000000005c CR3: 00000001e2a30000 CR4: 00000000003426a0
[ 23.308085][ T357] Call Trace:
[ 23.311223][ T357] ? __die+0xb4/0x100
[ 23.315031][ T357] ? no_context+0xbda/0xe50
[ 23.319370][ T357] ? is_prefetch+0x4b0/0x4b0
[ 23.323795][ T357] ? rcu_preempt_deferred_qs+0xa4/0x2b0
[ 23.329177][ T357] ? __do_page_fault+0xa7d/0xbb0
[ 23.333955][ T357] ? vmx_spec_ctrl_restore_host+0x83/0xfd
[ 23.339505][ T357] ? __bad_area_nosemaphore+0xc0/0x460
[ 23.344800][ T357] ? page_fault+0x2f/0x40
[ 23.348964][ T357] ? irq_entries_start+0x38/0x660
[ 23.353826][ T357] ? vmx_handle_exit_irqoff+0x45/0x220
[ 23.359121][ T357] ? check_preemption_disabled+0x91/0x320
[ 23.364674][ T357] ? handle_external_interrupt_irqoff+0x148/0x2f0
[ 23.370924][ T357] ? handle_external_interrupt_irqoff+0x12a/0x2f0
[ 23.377173][ T357] ? irq_entries_start+0x38/0x660
[ 23.382035][ T357] ? vcpu_enter_guest+0x2d06/0x9f70
[ 23.387067][ T357] ? find_next_and_bit+0x156/0x190
[ 23.392014][ T357] ? load_balance+0x43e1/0x7a40
[ 23.396702][ T357] ? local_bh_enable+0x20/0x20
[ 23.401308][ T357] ? check_preemption_disabled+0x9f/0x320
[ 23.406859][ T357] ? update_blocked_averages+0xd50/0xd50
[ 23.412326][ T357] ? vmx_vcpu_load_vmcs+0x655/0x8b0
[ 23.417359][ T357] ? read_msr+0x40/0x40
[ 23.421349][ T357] ? update_rq_clock+0x67/0x350
[ 23.426036][ T357] ? check_preemption_disabled+0x9f/0x320
[ 23.431592][ T357] ? kvm_sched_clock_read+0x14/0x40
[ 23.436625][ T357] ? check_preemption_disabled+0x9f/0x320
[ 23.442180][ T357] ? debug_smp_processor_id+0x20/0x20
[ 23.447392][ T357] ? kvm_arch_vcpu_ioctl_run+0x748/0x18d0
[ 23.452944][ T357] ? kvm_vcpu_ioctl+0x7f9/0xd10
[ 23.457637][ T357] ? create_vcpu_fd+0x120/0x120
[ 23.462325][ T357] ? _raw_spin_lock_irq+0xa5/0x1b0
[ 23.467269][ T357] ? _raw_spin_lock_irqsave+0x210/0x210
[ 23.472647][ T357] ? cgroup_update_frozen+0x157/0xab0
[ 23.477853][ T357] ? cgroup_update_frozen+0x157/0xab0
[ 23.483060][ T357] ? cgroup_leave_frozen+0x13c/0x290
[ 23.488184][ T357] ? ptrace_stop+0x6ee/0xa30
[ 23.492608][ T357] ? create_vcpu_fd+0x120/0x120
[ 23.497295][ T357] ? do_vfs_ioctl+0x742/0x1720
[ 23.501895][ T357] ? ioctl_preallocate+0x250/0x250
[ 23.506842][ T357] ? check_preemption_disabled+0x153/0x320
[ 23.512482][ T357] ? syscall_trace_enter+0x650/0x940
[ 23.517614][ T357] ? do_syscall_64+0x1c0/0x1c0
[ 23.522217][ T357] ? switch_fpu_return+0x1d4/0x410
[ 23.527184][ T357] ? security_file_ioctl+0x7d/0xa0
[ 23.532112][ T357] ? __x64_sys_ioctl+0xd4/0x110
[ 23.536794][ T357] ? do_syscall_64+0xca/0x1c0
[ 23.541302][ T357] ? entry_SYSCALL_64_after_hwframe+0x5c/0xc1
[ 23.547199][ T357] Modules linked in:
[ 23.550939][ T357] CR2: 0000000000000086
[ 23.554933][ T357] ---[ end trace efc4eb2d4e9ba319 ]---
[ 23.560224][ T357] RIP: 0010:0x86
[ 23.563605][ T357] Code: Bad RIP value.
[ 23.567510][ T357] RSP: 0018:ffff8881dc1f7308 EFLAGS: 00010086
[ 23.573411][ T357] RAX: ffff8881dc1f7338 RBX: dffffc0000000000 RCX: ffff8881dc1ebf00
[ 23.581221][ T357] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
[ 23.589033][ T357] RBP: 0000000000000270 R08: ffffffff82316ca1 R09: ffffffff811c90d5
[ 23.596843][ T357] R10: ffff8881dc1ebf00 R11: 0000000000000002 R12: ffffffff84600228
[ 23.604657][ T357] R13: fffffe0000000278 R14: ffff8881dc2d8000 R15: fffffe000000027b
[ 23.612469][ T357] FS: 0000555556c0e380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 23.621233][ T357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 23.627655][ T357] CR2: 000000000000005c CR3: 00000001e2a30000 CR4: 00000000003426a0
[ 23.635468][ T357] Kernel panic - not syncing: Fatal exception
[ 23.641552][ T357] Kernel Offset: disabled
[ 23.645667][ T357] Rebooting in 86400 seconds..