./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3965529029 <...> [ 16.407152][ T24] audit: type=1400 audit(1734452536.960:62): avc: denied { noatsecure } for pid=216 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 16.414513][ T24] audit: type=1400 audit(1734452536.970:63): avc: denied { write } for pid=216 comm="sh" path="pipe:[13173]" dev="pipefs" ino=13173 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 16.435032][ T24] audit: type=1400 audit(1734452536.970:64): avc: denied { rlimitinh } for pid=216 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 16.454247][ T24] audit: type=1400 audit(1734452536.970:65): avc: denied { siginh } for pid=216 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.10.7' (ED25519) to the list of known hosts. execve("./syz-executor3965529029", ["./syz-executor3965529029"], 0x7fffa0a93900 /* 10 vars */) = 0 brk(NULL) = 0x55557dfdb000 brk(0x55557dfdbe00) = 0x55557dfdbe00 arch_prctl(ARCH_SET_FS, 0x55557dfdb480) = 0 set_tid_address(0x55557dfdb750) = 292 set_robust_list(0x55557dfdb760, 24) = 0 rseq(0x55557dfdbda0, 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-executor3965529029", 4096) = 28 getrandom("\xa2\x0b\x36\x9d\x35\xe4\x67\x5c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557dfdbe00 brk(0x55557dffce00) = 0x55557dffce00 brk(0x55557dffd000) = 0x55557dffd000 mprotect(0x7f5969666000, 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=0x55557dfdb750) = 293 openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 293 attached [pid 293] set_robust_list(0x55557dfdb760, 24) = 0 [pid 292] <... openat resumed>) = 3 [pid 292] write(3, "10000000000", 11) = 11 [pid 292] close(3) = 0 [pid 292] openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 [pid 292] write(3, "20", 2) = 2 [pid 292] close(3) = 0 [pid 292] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 [pid 292] write(3, "1", 1) = 1 [pid 292] close(3) = 0 [pid 292] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 [pid 292] write(3, "0", 1) = 1 [pid 292] close(3) = 0 [pid 292] openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 [pid 292] write(3, "0", 1) = 1 [pid 292] close(3) = 0 [pid 292] openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 [pid 292] write(3, "1", 1) = 1 [pid 292] close(3) = 0 [pid 292] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 292] write(3, "100", 3) = 3 [pid 292] close(3) = 0 [pid 292] openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 [pid 292] write(3, "0", 1) = 1 [pid 292] close(3) = 0 [pid 292] openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 [pid 292] write(3, "0", 1) = 1 [pid 292] close(3) = 0 [pid 292] openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 [pid 292] write(3, "7 4 1 3", 7) = 7 [pid 292] close(3) = 0 [pid 292] openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 [pid 292] write(3, "1", 1) = 1 [pid 292] close(3) = 0 [pid 292] openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 [pid 292] write(3, "1", 1) = 1 [pid 292] close(3) = 0 [pid 292] openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 [pid 292] write(3, "0", 1) = 1 [pid 292] close(3) = 0 [pid 292] openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 [pid 292] write(3, "293", 3) = 3 [pid 292] close(3) = 0 [pid 292] kill(293, SIGKILL) = 0 [pid 293] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=293, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7f59695c1c30, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f59695c9780}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f59695c1c30, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f59695c9780}, NULL, 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557dfdb750) = 294 ./strace-static-x86_64: Process 294 attached [pid 294] set_robust_list(0x55557dfdb760, 24) = 0 [pid 294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 294] setpgid(0, 0) = 0 [pid 294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 294] write(3, "1000", 4) = 4 [pid 294] close(3) = 0 executing program [pid 294] write(1, "executing program\n", 18) = 18 [ 30.699609][ T24] audit: type=1400 audit(1734452551.270:66): avc: denied { execmem } for pid=292 comm="syz-executor396" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 30.754772][ T24] audit: type=1400 audit(1734452551.320:67): avc: denied { prog_load } for pid=294 comm="syz-executor396" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 30.774250][ T24] audit: type=1400 audit(1734452551.320:68): avc: denied { bpf } for pid=294 comm="syz-executor396" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 30.795280][ T24] audit: type=1400 audit(1734452551.320:69): avc: denied { perfmon } for pid=294 comm="syz-executor396" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [pid 294] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE, insn_cnt=4, insns=0x200002c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_SOCK_CREATE, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0}, 120) = 3 [pid 294] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kmem_cache_free", prog_fd=3}}, 16) = 4 [ 31.239809][ T24] audit: type=1400 audit(1734452551.810:70): avc: denied { prog_run } for pid=294 comm="syz-executor396" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 31.260660][ T1] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000008 [ 31.269069][ T1] CPU: 1 PID: 1 Comm: init Not tainted 5.10.230-syzkaller-00265-gc6092445be98 #0 [ 31.277958][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 31.287956][ T1] Call Trace: [ 31.291132][ T1] dump_stack_lvl+0x1e2/0x24b [ 31.295605][ T1] ? panic+0x22b/0x812 [ 31.299515][ T1] ? bfq_pos_tree_add_move+0x43b/0x43b [ 31.304813][ T1] dump_stack+0x15/0x17 [ 31.308796][ T1] panic+0x2cf/0x812 [ 31.312536][ T1] ? do_exit+0x239a/0x2a50 [ 31.316785][ T1] ? fb_is_primary_device+0xd4/0xd4 [ 31.321830][ T1] ? __kasan_check_write+0x14/0x20 [ 31.326776][ T1] ? sync_mm_rss+0x28a/0x2e0 [ 31.331202][ T1] do_exit+0x23b4/0x2a50 [ 31.335286][ T1] ? sched_group_set_shares+0x490/0x490 [ 31.340668][ T1] ? put_task_struct+0x80/0x80 [ 31.345259][ T1] ? schedule+0x154/0x1d0 [ 31.349431][ T1] ? schedule_timeout+0xa9/0x360 [ 31.354209][ T1] ? __kasan_check_write+0x14/0x20 [ 31.359155][ T1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 31.364102][ T1] do_group_exit+0x141/0x310 [ 31.368534][ T1] get_signal+0x10a0/0x1410 [ 31.372869][ T1] arch_do_signal_or_restart+0xbd/0x17c0 [ 31.378336][ T1] ? put_pid+0xd7/0x110 [ 31.382329][ T1] ? kernel_clone+0x6ca/0x9e0 [ 31.386835][ T1] ? create_io_thread+0x1e0/0x1e0 [ 31.391693][ T1] ? get_timespec64+0x197/0x270 [ 31.396392][ T1] ? timespec64_add_safe+0x220/0x220 [ 31.401513][ T1] ? __do_sys_rt_sigreturn+0x1e0/0x1e0 [ 31.406803][ T1] ? __do_sys_vfork+0xcd/0x130 [ 31.411413][ T1] exit_to_user_mode_loop+0x9b/0xd0 [ 31.416443][ T1] syscall_exit_to_user_mode+0xa2/0x1a0 [ 31.421825][ T1] do_syscall_64+0x40/0x70 [ 31.426074][ T1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 31.431790][ T1] RIP: 0033:0x7f7d1b210a68 [ 31.436060][ T1] Code: 00 48 8d b8 e0 02 00 00 48 89 b8 d8 02 00 00 48 89 b8 e0 02 00 00 b8 11 01 00 00 0f 05 44 89 c0 c3 90 5f b8 3a 00 00 00 0f 05 <57> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 90 43 0f 00 f7 d8 64 89 01 48 [ 31.455489][ T1] RSP: 002b:00007ffc42e29d80 EFLAGS: 00000246 ORIG_RAX: 000000000000003a [ 31.463729][ T1] RAX: 0000000000000127 RBX: 0000557ae566bab0 RCX: 00007f7d1b210a68 [ 31.471541][ T1] RDX: 0000000000000008 RSI: 0000000000000000 RDI: 00007f7d1b39bbed [ 31.479359][ T1] RBP: 00007f7d1b3d6528 R08: 0000000000000007 R09: fdcc28d8c43d23a9 [ 31.487168][ T1] R10: 00007ffc42e29dc0 R11: 0000000000000246 R12: 0000000000000000 [ 31.495038][ T1] R13: 0000000000000018 R14: 0000557abdb3a169 R15: 00007f7d1b407a80 [ 31.503002][ T1] Kernel Offset: disabled [ 31.507176][ T1] Rebooting in 86400 seconds..