./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor732893375 <...> Warning: Permanently added '10.128.0.49' (ED25519) to the list of known hosts. execve("./syz-executor732893375", ["./syz-executor732893375"], 0x7fff1ed08f90 /* 10 vars */) = 0 brk(NULL) = 0x555556416000 brk(0x555556416d00) = 0x555556416d00 arch_prctl(ARCH_SET_FS, 0x555556416380) = 0 set_tid_address(0x555556416650) = 286 set_robust_list(0x555556416660, 24) = 0 rseq(0x555556416ca0, 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-executor732893375", 4096) = 27 getrandom("\x49\x7c\xfb\x96\x36\x2f\xf6\x13", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556416d00 brk(0x555556437d00) = 0x555556437d00 brk(0x555556438000) = 0x555556438000 mprotect(0x7fd2634b2000, 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=0x555556416650) = 287 ./strace-static-x86_64: Process 287 attached [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 287] set_robust_list(0x555556416660, 24) = 0 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 288 attached [pid 286] <... clone resumed>, child_tidptr=0x555556416650) = 288 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 288] set_robust_list(0x555556416660, 24) = 0 ./strace-static-x86_64: Process 289 attached [pid 286] <... clone resumed>, child_tidptr=0x555556416650) = 289 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 288] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 289] set_robust_list(0x555556416660, 24./strace-static-x86_64: Process 290 attached [pid 290] set_robust_list(0x555556416660, 24) = 0 [pid 290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 291 attached [pid 286] <... clone resumed>, child_tidptr=0x555556416650) = 291 [pid 289] <... set_robust_list resumed>) = 0 [pid 287] <... clone resumed>, child_tidptr=0x555556416650) = 290 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 288] <... clone resumed>, child_tidptr=0x555556416650) = 292 ./strace-static-x86_64: Process 292 attached [pid 292] set_robust_list(0x555556416660, 24) = 0 [pid 292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 292] setpgid(0, 0) = 0 [pid 292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 286] <... clone resumed>, child_tidptr=0x555556416650) = 293 [pid 289] <... clone resumed>, child_tidptr=0x555556416650) = 294 ./strace-static-x86_64: Process 293 attached ./strace-static-x86_64: Process 294 attached [pid 291] set_robust_list(0x555556416660, 24 [pid 290] setpgid(0, 0 [pid 293] set_robust_list(0x555556416660, 24 [pid 291] <... set_robust_list resumed>) = 0 [pid 294] set_robust_list(0x555556416660, 24 [pid 293] <... set_robust_list resumed>) = 0 [pid 290] <... setpgid resumed>) = 0 [pid 290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 291] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 292] <... openat resumed>) = 3 [pid 292] write(3, "1000", 4) = 4 [pid 292] close(3 [pid 291] <... clone resumed>, child_tidptr=0x555556416650) = 295 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 290] <... openat resumed>) = 3 [pid 294] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 295 attached [pid 290] write(3, "1000", 4) = 4 [pid 292] <... close resumed>) = 0 [pid 290] close(3) = 0 [pid 290] 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 296 attached [pid 295] set_robust_list(0x555556416660, 24 [pid 294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 293] <... clone resumed>, child_tidptr=0x555556416650) = 296 [pid 292] 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(0x555556416660, 24 [pid 295] <... set_robust_list resumed>) = 0 [pid 294] <... prctl resumed>) = 0 [pid 296] <... set_robust_list resumed>) = 0 [pid 296] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 295] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 294] setpgid(0, 0 [pid 296] <... prctl resumed>) = 0 [pid 295] <... prctl resumed>) = 0 [pid 294] <... setpgid resumed>) = 0 [pid 296] setpgid(0, 0 [pid 295] setpgid(0, 0 [pid 294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] <... setpgid resumed>) = 0 [pid 295] <... setpgid resumed>) = 0 [pid 294] <... openat resumed>) = 3 [pid 295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 294] write(3, "1000", 4 [pid 295] <... openat resumed>) = 3 [ 21.435116][ T24] audit: type=1400 audit(1708188149.580:66): avc: denied { execmem } for pid=286 comm="syz-executor732" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.448533][ T24] audit: type=1400 audit(1708188149.600:67): avc: denied { prog_load } for pid=290 comm="syz-executor732" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 21.453427][ T24] audit: type=1400 audit(1708188149.600:68): avc: denied { bpf } for pid=290 comm="syz-executor732" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [pid 296] <... openat resumed>) = 3 [pid 295] write(3, "1000", 4 [pid 294] <... write resumed>) = 4 [pid 296] write(3, "1000", 4 [pid 295] <... write resumed>) = 4 [pid 294] close(3 [pid 296] <... write resumed>) = 4 [pid 295] close(3 [pid 294] <... close resumed>) = 0 [pid 296] close(3 [pid 295] <... close resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 295] 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 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, fd_array=NULL}, 128 [ 21.471046][ T24] audit: type=1400 audit(1708188149.600:69): avc: denied { perfmon } for pid=290 comm="syz-executor732" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [pid 296] 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 292] <... bpf resumed>) = 3 [pid 290] <... bpf resumed>) = 3 [pid 292] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=3}}, 16 [pid 296] <... bpf resumed>) = 3 [pid 294] <... bpf resumed>) = 3 [pid 296] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=3}}, 16 [pid 294] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=3}}, 16 [pid 295] <... bpf resumed>) = 3 [pid 292] <... bpf resumed>) = 4 [pid 296] <... bpf resumed>) = 4 [ 21.660729][ T24] audit: type=1400 audit(1708188149.810:70): avc: denied { prog_run } for pid=290 comm="syz-executor732" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 21.679904][ T24] audit: type=1400 audit(1708188149.810:71): avc: denied { prog_run } for pid=292 comm="syz-executor732" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 21.969090][ T1] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000008 [ 21.977435][ T1] CPU: 1 PID: 1 Comm: init Not tainted 5.10.209-syzkaller-00435-gdd976ecce2ce #0 [ 21.986358][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 21.996248][ T1] Call Trace: [ 21.999462][ T1] dump_stack_lvl+0x1e2/0x24b [ 22.003886][ T1] ? panic+0x22b/0x80b [ 22.007789][ T1] ? bfq_pos_tree_add_move+0x43b/0x43b [ 22.013085][ T1] dump_stack+0x15/0x17 [ 22.017074][ T1] panic+0x2cf/0x80b [ 22.020807][ T1] ? do_exit+0x239a/0x2a50 [ 22.025062][ T1] ? fb_is_primary_device+0xd4/0xd4 [ 22.030128][ T1] ? __kasan_check_write+0x14/0x20 [ 22.035056][ T1] ? sync_mm_rss+0x28a/0x2e0 [ 22.039477][ T1] do_exit+0x23b4/0x2a50 [ 22.043551][ T1] ? sched_group_set_shares+0x490/0x490 [ 22.048944][ T1] ? put_task_struct+0x80/0x80 [ 22.053535][ T1] ? schedule+0x154/0x1d0 [ 22.057697][ T1] ? schedule_timeout+0xa9/0x360 [ 22.062474][ T1] ? __kasan_check_write+0x14/0x20 [ 22.067431][ T1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 22.072377][ T1] do_group_exit+0x141/0x310 [ 22.076795][ T1] get_signal+0x10a0/0x1410 [ 22.081132][ T1] arch_do_signal_or_restart+0xbd/0x17c0 [ 22.086596][ T1] ? put_pid+0xd7/0x110 [ 22.090587][ T1] ? kernel_clone+0x6ca/0x9e0 [ 22.095102][ T1] ? create_io_thread+0x1e0/0x1e0 [ 22.099965][ T1] ? get_timespec64+0x197/0x270 [ 22.104651][ T1] ? timespec64_add_safe+0x220/0x220 [ 22.109765][ T1] ? __do_sys_rt_sigreturn+0x1e0/0x1e0 [ 22.115065][ T1] ? __do_sys_vfork+0xcd/0x130 [ 22.119670][ T1] exit_to_user_mode_loop+0x9b/0xd0 [ 22.124699][ T1] syscall_exit_to_user_mode+0xc5/0x1d0 [ 22.130093][ T1] do_syscall_64+0x40/0x70 [ 22.134354][ T1] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 22.140061][ T1] RIP: 0033:0x7f65f0ae8a68 [ 22.144318][ 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 [ 22.163755][ T1] RSP: 002b:00007ffe78b64730 EFLAGS: 00000246 ORIG_RAX: 000000000000003a [ 22.172082][ T1] RAX: 0000000000000184 RBX: 0000556feabbca50 RCX: 00007f65f0ae8a68 [ 22.179892][ T1] RDX: 0000000000000008 RSI: 0000000000000000 RDI: 00007f65f0c73bed [ 22.187709][ T1] RBP: 00007f65f0cae528 R08: 0000000000000007 R09: 829e3af742286d42 [ 22.195517][ T1] R10: 00007ffe78b64770 R11: 0000000000000246 R12: 0000000000000000 [ 22.203327][ T1] R13: 0000000000000018 R14: 0000556fea583169 R15: 00007f65f0cdfa80 [ 22.211383][ T1] Kernel Offset: disabled [ 22.215511][ T1] Rebooting in 86400 seconds..