./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2234327873 <...> Warning: Permanently added '10.128.1.119' (ED25519) to the list of known hosts. execve("./syz-executor2234327873", ["./syz-executor2234327873"], 0x7ffd1a880630 /* 10 vars */) = 0 brk(NULL) = 0x555555c5e000 brk(0x555555c5ee00) = 0x555555c5ee00 arch_prctl(ARCH_SET_FS, 0x555555c5e480) = 0 set_tid_address(0x555555c5e750) = 287 set_robust_list(0x555555c5e760, 24) = 0 rseq(0x555555c5eda0, 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-executor2234327873", 4096) = 28 getrandom("\x27\x09\x0b\x06\x2a\xa6\x38\x0a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555c5ee00 brk(0x555555c7fe00) = 0x555555c7fe00 brk(0x555555c80000) = 0x555555c80000 mprotect(0x7f4db4b37000, 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() = 287 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, "287", 3) = 3 close(3) = 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=0x7f4db4a91c70, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f4db4a99b10}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f4db4a91c70, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f4db4a99b10}, NULL, 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555c5e750) = 288 ./strace-static-x86_64: Process 288 attached [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 288] set_robust_list(0x555555c5e760, 24) = 0 [pid 288] mkdir("./syzkaller.ofCGSy", 0700./strace-static-x86_64: Process 289 attached [pid 287] <... clone resumed>, child_tidptr=0x555555c5e750) = 289 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 289] set_robust_list(0x555555c5e760, 24 [pid 287] <... clone resumed>, child_tidptr=0x555555c5e750) = 290 [pid 289] <... set_robust_list resumed>) = 0 [pid 288] <... mkdir resumed>) = 0 [pid 288] chmod("./syzkaller.ofCGSy", 0777 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 288] <... chmod resumed>) = 0 [pid 288] chdir("./syzkaller.ofCGSy") = 0 [pid 288] mkdir("./0", 0777 [pid 287] <... clone resumed>, child_tidptr=0x555555c5e750) = 291 [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 289] mkdir("./syzkaller.kL3aeF", 0700 [pid 288] <... mkdir resumed>) = 0 [pid 288] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555c5e750) = 292 [pid 287] <... clone resumed>, child_tidptr=0x555555c5e750) = 293 ./strace-static-x86_64: Process 291 attached [pid 291] set_robust_list(0x555555c5e760, 24) = 0 [pid 289] <... mkdir resumed>) = 0 [pid 291] mkdir("./syzkaller.t24wA0", 0700./strace-static-x86_64: Process 293 attached ./strace-static-x86_64: Process 290 attached [pid 289] chmod("./syzkaller.kL3aeF", 0777 [pid 290] set_robust_list(0x555555c5e760, 24 [pid 289] <... chmod resumed>) = 0 [pid 291] <... mkdir resumed>) = 0 [pid 291] chmod("./syzkaller.t24wA0", 0777 [pid 293] set_robust_list(0x555555c5e760, 24 [pid 290] <... set_robust_list resumed>) = 0 [pid 289] chdir("./syzkaller.kL3aeF" [pid 291] <... chmod resumed>) = 0 [pid 291] chdir("./syzkaller.t24wA0") = 0 [pid 290] mkdir("./syzkaller.C4xZoi", 0700 [pid 289] <... chdir resumed>) = 0 [pid 293] <... set_robust_list resumed>) = 0 [pid 291] mkdir("./0", 0777 [pid 289] mkdir("./0", 0777) = 0 [pid 291] <... mkdir resumed>) = 0 [pid 291] 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./strace-static-x86_64: Process 292 attached [pid 292] set_robust_list(0x555555c5e760, 24) = 0 [pid 291] <... clone resumed>, child_tidptr=0x555555c5e750) = 295 [pid 290] <... mkdir resumed>) = 0 [pid 289] <... clone resumed>, child_tidptr=0x555555c5e750) = 294 [pid 290] chmod("./syzkaller.C4xZoi", 0777 [pid 292] chdir("./0") = 0 [pid 292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 292] setpgid(0, 0) = 0 [pid 293] mkdir("./syzkaller.e2a90Q", 0700 [pid 290] <... chmod resumed>) = 0 [pid 292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 290] chdir("./syzkaller.C4xZoi") = 0 [pid 290] mkdir("./0", 0777 [pid 292] <... openat resumed>) = 3 [pid 290] <... mkdir resumed>) = 0 [pid 292] write(3, "1000", 4) = 4 [pid 292] close(3) = 0 [pid 293] <... mkdir resumed>) = 0 [pid 290] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 292] symlink("/dev/binderfs", "./binderfs" [pid 290] <... clone resumed>, child_tidptr=0x555555c5e750) = 296 [pid 293] chmod("./syzkaller.e2a90Q", 0777 [pid 292] <... symlink resumed>) = 0 [pid 293] <... chmod resumed>) = 0 ./strace-static-x86_64: Process 296 attached [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(0x555555c5e760, 24 [pid 293] chdir("./syzkaller.e2a90Q" [pid 296] <... set_robust_list resumed>) = 0 [pid 293] <... chdir resumed>) = 0 [ 22.108109][ T24] audit: type=1400 audit(1711522664.750:66): avc: denied { execmem } for pid=287 comm="syz-executor223" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 293] mkdir("./0", 0777./strace-static-x86_64: Process 295 attached ./strace-static-x86_64: Process 294 attached [pid 296] chdir("./0" [pid 293] <... mkdir resumed>) = 0 [pid 296] <... chdir resumed>) = 0 [pid 295] set_robust_list(0x555555c5e760, 24 [pid 294] set_robust_list(0x555555c5e760, 24 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 295] <... set_robust_list resumed>) = 0 [pid 294] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 297 attached [pid 296] <... prctl resumed>) = 0 [pid 295] chdir("./0" [pid 294] chdir("./0" [pid 296] setpgid(0, 0 [pid 293] <... clone resumed>, child_tidptr=0x555555c5e750) = 297 [pid 297] set_robust_list(0x555555c5e760, 24) = 0 [pid 296] <... setpgid resumed>) = 0 [pid 295] <... chdir resumed>) = 0 [pid 294] <... chdir resumed>) = 0 [pid 296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] chdir("./0") = 0 [pid 297] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 295] <... prctl resumed>) = 0 [pid 294] <... prctl resumed>) = 0 [pid 297] <... prctl resumed>) = 0 [pid 297] setpgid(0, 0) = 0 [pid 296] <... openat resumed>) = 3 [pid 295] setpgid(0, 0 [pid 294] setpgid(0, 0 [pid 296] write(3, "1000", 4 [pid 295] <... setpgid resumed>) = 0 [pid 294] <... setpgid resumed>) = 0 [pid 295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] <... write resumed>) = 4 [pid 294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 296] close(3 [pid 295] <... openat resumed>) = 3 [pid 294] <... openat resumed>) = 3 [pid 297] write(3, "1000", 4) = 4 [pid 297] close(3 [pid 296] <... close resumed>) = 0 [pid 295] write(3, "1000", 4 [pid 294] write(3, "1000", 4 [pid 295] <... write resumed>) = 4 [pid 294] <... write resumed>) = 4 [pid 296] symlink("/dev/binderfs", "./binderfs" [pid 295] close(3 [pid 294] close(3 [pid 297] <... close resumed>) = 0 [pid 297] symlink("/dev/binderfs", "./binderfs" [pid 296] <... symlink resumed>) = 0 [pid 294] <... close resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 294] symlink("/dev/binderfs", "./binderfs" [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 295] symlink("/dev/binderfs", "./binderfs" [pid 294] <... symlink resumed>) = 0 [pid 295] <... symlink resumed>) = 0 [pid 297] <... symlink resumed>) = 0 [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 [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 [ 22.147498][ T24] audit: type=1400 audit(1711522664.790:67): avc: denied { prog_load } for pid=292 comm="syz-executor223" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 22.167321][ T24] audit: type=1400 audit(1711522664.810:68): avc: denied { bpf } for pid=292 comm="syz-executor223" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 22.195965][ T24] audit: type=1400 audit(1711522664.810:69): avc: denied { perfmon } for pid=292 comm="syz-executor223" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [pid 297] 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] <... bpf resumed>) = 3 [pid 292] <... bpf resumed>) = 3 [pid 297] <... bpf resumed>) = 3 [pid 295] <... bpf resumed>) = 3 [pid 292] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=3}}, 16 [pid 297] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=3}}, 16 [pid 296] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=3}}, 16 [pid 295] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=3}}, 16 [pid 294] <... bpf resumed>) = 3 [ 22.361381][ T24] audit: type=1400 audit(1711522665.000:71): avc: denied { prog_run } for pid=296 comm="syz-executor223" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 22.381433][ T24] audit: type=1400 audit(1711522665.000:70): avc: denied { prog_run } for pid=292 comm="syz-executor223" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 23.570050][ T1] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000008 [ 23.578387][ T1] CPU: 0 PID: 1 Comm: init Not tainted 5.10.209-syzkaller-00001-ge7daca75b4c3 #0 [ 23.587313][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 23.597201][ T1] Call Trace: [ 23.600361][ T1] dump_stack_lvl+0x1e2/0x24b [ 23.604845][ T1] ? panic+0x22b/0x80b [ 23.608760][ T1] ? bfq_pos_tree_add_move+0x43b/0x43b [ 23.614073][ T1] dump_stack+0x15/0x17 [ 23.618055][ T1] panic+0x2cf/0x80b [ 23.621781][ T1] ? do_exit+0x239a/0x2a50 [ 23.626031][ T1] ? fb_is_primary_device+0xd4/0xd4 [ 23.631169][ T1] ? __kasan_check_write+0x14/0x20 [ 23.636119][ T1] ? sync_mm_rss+0x28a/0x2e0 [ 23.640527][ T1] do_exit+0x23b4/0x2a50 [ 23.644604][ T1] ? sched_group_set_shares+0x490/0x490 [ 23.649985][ T1] ? put_task_struct+0x80/0x80 [ 23.654586][ T1] ? schedule+0x154/0x1d0 [ 23.658811][ T1] ? schedule_timeout+0xa9/0x360 [ 23.663527][ T1] ? __kasan_check_write+0x14/0x20 [ 23.668473][ T1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 23.673419][ T1] do_group_exit+0x141/0x310 [ 23.677849][ T1] get_signal+0x10a0/0x1410 [ 23.682220][ T1] arch_do_signal_or_restart+0xbd/0x17c0 [ 23.687829][ T1] ? put_pid+0xd7/0x110 [ 23.691814][ T1] ? kernel_clone+0x6ca/0x9e0 [ 23.696325][ T1] ? create_io_thread+0x1e0/0x1e0 [ 23.701190][ T1] ? get_timespec64+0x197/0x270 [ 23.705880][ T1] ? timespec64_add_safe+0x220/0x220 [ 23.711004][ T1] ? __do_sys_rt_sigreturn+0x1e0/0x1e0 [ 23.716315][ T1] ? __do_sys_vfork+0xcd/0x130 [ 23.720893][ T1] exit_to_user_mode_loop+0x9b/0xd0 [ 23.725927][ T1] syscall_exit_to_user_mode+0xc5/0x1d0 [ 23.731308][ T1] do_syscall_64+0x40/0x70 [ 23.735555][ T1] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 23.741289][ T1] RIP: 0033:0x7f1ae8a9aa68 [ 23.745537][ 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 [ 23.764991][ T1] RSP: 002b:00007ffcafd485d0 EFLAGS: 00000246 ORIG_RAX: 000000000000003a [ 23.773221][ T1] RAX: 0000000000000172 RBX: 0000558c6a62ca50 RCX: 00007f1ae8a9aa68 [ 23.781029][ T1] RDX: 0000000000000008 RSI: 0000000000000000 RDI: 00007f1ae8c25bed [ 23.788848][ T1] RBP: 00007f1ae8c60528 R08: 0000000000000007 R09: d449caf86a35ed5d [ 23.796653][ T1] R10: 00007ffcafd48610 R11: 0000000000000246 R12: 0000000000000000 [ 23.804568][ T1] R13: 0000000000000018 R14: 0000558c69844169 R15: 00007f1ae8c91a80 [ 23.812828][ T1] Kernel Offset: disabled [ 23.816963][ T1] Rebooting in 86400 seconds..