./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1083059831 <...> Warning: Permanently added '10.128.0.66' (ED25519) to the list of known hosts. execve("./syz-executor1083059831", ["./syz-executor1083059831"], 0x7ffd2e472380 /* 10 vars */) = 0 brk(NULL) = 0x5555555dc000 brk(0x5555555dcd00) = 0x5555555dcd00 arch_prctl(ARCH_SET_FS, 0x5555555dc380) = 0 set_tid_address(0x5555555dc650) = 293 set_robust_list(0x5555555dc660, 24) = 0 rseq(0x5555555dcca0, 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-executor1083059831", 4096) = 28 getrandom("\xf9\x7a\x01\x23\x0d\xc4\x95\x8d", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555555dcd00 brk(0x5555555fdd00) = 0x5555555fdd00 brk(0x5555555fe000) = 0x5555555fe000 mprotect(0x7f3975365000, 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 getpid() = 293 openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 write(3, "10000000000", 11) = 11 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 write(3, "20", 2) = 2 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 write(3, "100", 3) = 3 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 write(3, "7 4 1 3", 7) = 7 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 write(3, "293", 3) = 3 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555555dc650) = 294 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555555dc650) = 295 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555555dc650) = 296 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555555dc650) = 297 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555555dc650) = 298 ./strace-static-x86_64: Process 298 attached [pid 298] set_robust_list(0x5555555dc660, 24) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555555dc650) = 299 ./strace-static-x86_64: Process 294 attached [pid 294] set_robust_list(0x5555555dc660, 24) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555555dc650) = 300 ./strace-static-x86_64: Process 299 attached [pid 299] set_robust_list(0x5555555dc660, 24) = 0 [pid 299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 299] setpgid(0, 0) = 0 [pid 299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 299] write(3, "1000", 4) = 4 [pid 299] close(3) = 0 [pid 299] 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, fd_array=NULL}, 128./strace-static-x86_64: Process 297 attached ./strace-static-x86_64: Process 300 attached ./strace-static-x86_64: Process 296 attached ./strace-static-x86_64: Process 295 attached [ 21.524802][ T30] audit: type=1400 audit(1711517075.514:66): avc: denied { execmem } for pid=293 comm="syz-executor108" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.544060][ T30] audit: type=1400 audit(1711517075.534:67): avc: denied { integrity } for pid=293 comm="syz-executor108" lockdown_reason="debugfs access" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=lockdown permissive=1 [pid 300] set_robust_list(0x5555555dc660, 24 [pid 297] set_robust_list(0x5555555dc660, 24 [pid 300] <... set_robust_list resumed>) = 0 [pid 296] set_robust_list(0x5555555dc660, 24 [pid 297] <... set_robust_list resumed>) = 0 [pid 295] set_robust_list(0x5555555dc660, 24 [pid 300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 300] setpgid(0, 0) = 0 [pid 300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 300] write(3, "1000", 4) = 4 [pid 300] close(3) = 0 [pid 300] 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, fd_array=NULL}, 128 [pid 296] <... set_robust_list resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... set_robust_list resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... clone resumed>, child_tidptr=0x5555555dc650) = 301 ./strace-static-x86_64: Process 303 attached [pid 296] <... clone resumed>, child_tidptr=0x5555555dc650) = 303 [pid 295] <... clone resumed>, child_tidptr=0x5555555dc650) = 302 ./strace-static-x86_64: Process 301 attached [pid 303] set_robust_list(0x5555555dc660, 24./strace-static-x86_64: Process 302 attached [pid 302] set_robust_list(0x5555555dc660, 24) = 0 [pid 302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 302] setpgid(0, 0) = 0 [pid 302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 302] write(3, "1000", 4) = 4 [pid 302] close(3) = 0 [ 21.566713][ T30] audit: type=1400 audit(1711517075.554:68): avc: denied { prog_load } for pid=299 comm="syz-executor108" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 21.585986][ T30] audit: type=1400 audit(1711517075.554:69): avc: denied { bpf } for pid=299 comm="syz-executor108" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [pid 302] 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, fd_array=NULL}, 128 [pid 303] <... set_robust_list resumed>) = 0 [pid 301] set_robust_list(0x5555555dc660, 24 [pid 303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 301] <... set_robust_list resumed>) = 0 [pid 303] <... prctl resumed>) = 0 [pid 303] setpgid(0, 0 [pid 301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 303] <... setpgid resumed>) = 0 [pid 301] <... prctl resumed>) = 0 [pid 303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 301] setpgid(0, 0 [pid 303] <... openat resumed>) = 3 [pid 301] <... setpgid resumed>) = 0 [pid 303] write(3, "1000", 4 [pid 301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 303] <... write resumed>) = 4 [pid 301] <... openat resumed>) = 3 [pid 303] close(3) = 0 [pid 301] write(3, "1000", 4 [pid 303] 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, fd_array=NULL}, 128 [pid 301] <... write resumed>) = 4 [pid 301] close(3) = 0 [ 21.608624][ T30] audit: type=1400 audit(1711517075.554:70): avc: denied { perfmon } for pid=299 comm="syz-executor108" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [pid 301] 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, fd_array=NULL}, 128 [pid 302] <... bpf resumed>) = 3 [pid 300] <... bpf resumed>) = 3 [pid 303] <... bpf resumed>) = 3 [pid 302] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=3}}, 16 [pid 301] <... bpf resumed>) = 3 [pid 303] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=3}}, 16 [pid 302] <... bpf resumed>) = 4 [pid 302] exit_group(0 [ 21.756146][ T30] audit: type=1400 audit(1711517075.744:71): avc: denied { prog_run } for pid=300 comm="syz-executor108" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 21.943382][ T1] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000008 [ 21.951702][ T1] CPU: 1 PID: 1 Comm: init Not tainted 5.15.148-syzkaller-00718-g993bed180178 #0 [ 21.960638][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 21.970531][ T1] Call Trace: [ 21.973658][ T1] [ 21.976434][ T1] dump_stack_lvl+0x151/0x1b7 [ 21.980986][ T1] ? io_uring_drop_tctx_refs+0x190/0x190 [ 21.986413][ T1] dump_stack+0x15/0x17 [ 21.990404][ T1] panic+0x287/0x751 [ 21.994136][ T1] ? do_exit+0x240b/0x2ca0 [ 21.998390][ T1] ? fb_is_primary_device+0xd4/0xd4 [ 22.003423][ T1] ? __kasan_check_write+0x14/0x20 [ 22.008372][ T1] ? sync_mm_rss+0x28a/0x2e0 [ 22.012797][ T1] do_exit+0x2425/0x2ca0 [ 22.016876][ T1] ? __sched_text_start+0x8/0x8 [ 22.021562][ T1] ? put_task_struct+0x80/0x80 [ 22.026163][ T1] ? schedule+0x136/0x1e0 [ 22.031197][ T1] ? __kasan_check_write+0x14/0x20 [ 22.036145][ T1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 22.041097][ T1] ? _raw_spin_lock_irqsave+0x210/0x210 [ 22.046473][ T1] do_group_exit+0x141/0x310 [ 22.050899][ T1] get_signal+0x7a3/0x1630 [ 22.055160][ T1] ? wait_for_common+0x366/0x420 [ 22.059926][ T1] arch_do_signal_or_restart+0xbd/0x1680 [ 22.065393][ T1] ? __kasan_check_write+0x14/0x20 [ 22.070341][ T1] ? put_pid+0xd7/0x110 [ 22.074337][ T1] ? kernel_clone+0x6cf/0x9e0 [ 22.078848][ T1] ? create_io_thread+0x1e0/0x1e0 [ 22.083711][ T1] ? get_sigframe_size+0x10/0x10 [ 22.088478][ T1] ? timespec64_add_safe+0x220/0x220 [ 22.093605][ T1] exit_to_user_mode_loop+0xa0/0xe0 [ 22.098635][ T1] exit_to_user_mode_prepare+0x5a/0xa0 [ 22.103928][ T1] syscall_exit_to_user_mode+0x26/0x160 [ 22.109308][ T1] do_syscall_64+0x49/0xb0 [ 22.113577][ T1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 22.119289][ T1] RIP: 0033:0x7fbeaf9c5a68 [ 22.123545][ 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 [ 22.143071][ T1] RSP: 002b:00007ffcfec88a90 EFLAGS: 00000246 ORIG_RAX: 000000000000003a [ 22.151316][ T1] RAX: 0000000000000169 RBX: 0000558f8f48fa50 RCX: 00007fbeaf9c5a68 [ 22.159127][ T1] RDX: 0000000000000008 RSI: 0000000000000000 RDI: 00007fbeafb50bed [ 22.166940][ T1] RBP: 00007fbeafb8b528 R08: 0000000000000007 R09: 1e3d32f69096a21b [ 22.174751][ T1] R10: 00007ffcfec88ad0 R11: 0000000000000246 R12: 0000000000000000 [ 22.182586][ T1] R13: 0000000000000018 R14: 0000558f8d7c1169 R15: 00007fbeafbbca80 [ 22.190374][ T1] [ 22.193324][ T1] Kernel Offset: disabled [ 22.197405][ T1] Rebooting in 86400 seconds..