./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1580518404 <...> Warning: Permanently added '10.128.1.112' (ED25519) to the list of known hosts. execve("./syz-executor1580518404", ["./syz-executor1580518404"], 0x7ffe51280850 /* 10 vars */) = 0 brk(NULL) = 0x555555c1c000 brk(0x555555c1ce00) = 0x555555c1ce00 arch_prctl(ARCH_SET_FS, 0x555555c1c480) = 0 set_tid_address(0x555555c1c750) = 294 set_robust_list(0x555555c1c760, 24) = 0 rseq(0x555555c1cda0, 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-executor1580518404", 4096) = 28 getrandom("\x51\xf6\xd3\xf4\x11\x84\x26\xc8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555c1ce00 brk(0x555555c3de00) = 0x555555c3de00 brk(0x555555c3e000) = 0x555555c3e000 mprotect(0x7fdf16c49000, 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() = 294 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, "294", 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=0x7fdf16ba4d20, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fdf16bac7c0}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7fdf16ba4d20, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fdf16bac7c0}, NULL, 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555c1c750) = 295 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555c1c750) = 296 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555c1c750) = 297 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555c1c750) = 298 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555c1c750) = 299 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555c1c750) = 300 ./strace-static-x86_64: Process 299 attached [pid 299] set_robust_list(0x555555c1c760, 24) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555c1c750) = 301 ./strace-static-x86_64: Process 298 attached [pid 298] set_robust_list(0x555555c1c760, 24) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555c1c750) = 302 ./strace-static-x86_64: Process 295 attached [pid 295] set_robust_list(0x555555c1c760, 24) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555c1c750) = 303 ./strace-static-x86_64: Process 301 attached [pid 301] set_robust_list(0x555555c1c760, 24) = 0 [pid 301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 301] setpgid(0, 0) = 0 [pid 301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 301] write(3, "1000", 4) = 4 [pid 301] close(3) = 0 [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./strace-static-x86_64: Process 303 attached [pid 303] set_robust_list(0x555555c1c760, 24) = 0 [pid 303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 303] setpgid(0, 0) = 0 [pid 303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 303] write(3, "1000", 4) = 4 [pid 303] close(3) = 0 [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./strace-static-x86_64: Process 300 attached ./strace-static-x86_64: Process 302 attached [pid 300] set_robust_list(0x555555c1c760, 24) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 296 attached [pid 302] set_robust_list(0x555555c1c760, 24) = 0 [pid 300] <... clone resumed>, child_tidptr=0x555555c1c750) = 304 [pid 302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 296] set_robust_list(0x555555c1c760, 24 [pid 302] <... prctl resumed>) = 0 [pid 302] setpgid(0, 0 [pid 296] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 297 attached [pid 302] <... setpgid resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] set_robust_list(0x555555c1c760, 24 [pid 302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... set_robust_list resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 302] <... openat resumed>) = 3 [pid 302] write(3, "1000", 4 [pid 297] <... clone resumed>, child_tidptr=0x555555c1c750) = 306 [pid 296] <... clone resumed>, child_tidptr=0x555555c1c750) = 305 [pid 302] <... write resumed>) = 4 [ 22.895326][ T30] audit: type=1400 audit(1698471807.430:66): avc: denied { execmem } for pid=294 comm="syz-executor158" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.914905][ T30] audit: type=1400 audit(1698471807.440:67): avc: denied { integrity } for pid=294 comm="syz-executor158" lockdown_reason="debugfs access" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=lockdown permissive=1 [pid 302] close(3) = 0 [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./strace-static-x86_64: Process 304 attached [pid 304] set_robust_list(0x555555c1c760, 24) = 0 [pid 304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 304] setpgid(0, 0) = 0 [pid 304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "1000", 4) = 4 [pid 304] close(3) = 0 [pid 304] 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 306 attached [pid 306] set_robust_list(0x555555c1c760, 24) = 0 [pid 306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] setpgid(0, 0) = 0 [pid 306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] write(3, "1000", 4) = 4 [pid 306] close(3) = 0 [pid 306] 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 305 attached [pid 305] set_robust_list(0x555555c1c760, 24) = 0 [pid 305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 22.941915][ T30] audit: type=1400 audit(1698471807.460:68): avc: denied { prog_load } for pid=301 comm="syz-executor158" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 22.963158][ T30] audit: type=1400 audit(1698471807.460:69): avc: denied { bpf } for pid=301 comm="syz-executor158" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [pid 305] setpgid(0, 0) = 0 [pid 305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 305] write(3, "1000", 4) = 4 [pid 305] close(3) = 0 [ 22.984919][ T30] audit: type=1400 audit(1698471807.460:70): avc: denied { perfmon } for pid=301 comm="syz-executor158" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [pid 305] 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 306] <... bpf resumed>) = 3 [pid 304] <... bpf resumed>) = 3 [pid 303] <... bpf resumed>) = 3 [pid 302] <... bpf resumed>) = 3 [pid 301] <... bpf resumed>) = 3 [pid 306] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=3}}, 16 [pid 305] <... bpf resumed>) = 3 [ 23.109363][ T30] audit: type=1400 audit(1698471807.650:71): avc: denied { prog_run } for pid=303 comm="syz-executor158" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 23.268620][ T1] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000006 [ 23.276932][ T1] CPU: 0 PID: 1 Comm: init Not tainted 5.15.137-syzkaller-01792-g61cfd264993d #0 [ 23.285869][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 23.295763][ T1] Call Trace: [ 23.298889][ T1] [ 23.301665][ T1] dump_stack_lvl+0x151/0x1b7 [ 23.306177][ T1] ? io_uring_drop_tctx_refs+0x190/0x190 [ 23.311647][ T1] dump_stack+0x15/0x17 [ 23.315638][ T1] panic+0x287/0x751 [ 23.319368][ T1] ? do_exit+0x23db/0x2b60 [ 23.323622][ T1] ? fb_is_primary_device+0xd4/0xd4 [ 23.328655][ T1] ? __kasan_check_write+0x14/0x20 [ 23.333602][ T1] ? sync_mm_rss+0x28a/0x2e0 [ 23.338029][ T1] do_exit+0x23fa/0x2b60 [ 23.342108][ T1] ? release_firmware_map_entry+0x18f/0x18f [ 23.347838][ T1] ? put_task_struct+0x80/0x80 [ 23.352438][ T1] ? schedule+0x136/0x1e0 [ 23.356604][ T1] ? __kasan_check_write+0x14/0x20 [ 23.361547][ T1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 23.366499][ T1] ? _raw_spin_lock_irqsave+0x210/0x210 [ 23.371879][ T1] do_group_exit+0x141/0x310 [ 23.376307][ T1] get_signal+0x7a3/0x1630 [ 23.380558][ T1] ? wait_for_common+0x366/0x420 [ 23.385335][ T1] arch_do_signal_or_restart+0xbd/0x1680 [ 23.390801][ T1] ? __kasan_check_write+0x14/0x20 [ 23.395745][ T1] ? put_pid+0xd7/0x110 [ 23.399754][ T1] ? kernel_clone+0x6cf/0x9e0 [ 23.404252][ T1] ? create_io_thread+0x1e0/0x1e0 [ 23.409109][ T1] ? get_sigframe_size+0x10/0x10 [ 23.413885][ T1] ? timespec64_add_safe+0x220/0x220 [ 23.419009][ T1] exit_to_user_mode_loop+0xa0/0xe0 [ 23.424042][ T1] exit_to_user_mode_prepare+0x5a/0xa0 [ 23.429335][ T1] syscall_exit_to_user_mode+0x26/0x160 [ 23.434716][ T1] do_syscall_64+0x49/0xb0 [ 23.438969][ T1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 23.444694][ T1] RIP: 0033:0x7fdf36cf2a68 [ 23.448951][ 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 [ 23.468389][ T1] RSP: 002b:00007ffc0d0e61b0 EFLAGS: 00000246 ORIG_RAX: 000000000000003a [ 23.476633][ T1] RAX: 0000000000000171 RBX: 0000561f94eeba50 RCX: 00007fdf36cf2a68 [ 23.484447][ T1] RDX: 0000000000000008 RSI: 0000000000000000 RDI: 00007fdf36e7dbed [ 23.492256][ T1] RBP: 00007fdf36eb8528 R08: 0000000000000007 R09: 4c68db522b643ebf [ 23.500069][ T1] R10: 00007ffc0d0e61f0 R11: 0000000000000246 R12: 0000000000000000 [ 23.507878][ T1] R13: 0000000000000018 R14: 0000561f944af169 R15: 00007fdf36ee9a80 [ 23.515693][ T1] [ 23.518736][ T1] Kernel Offset: disabled [ 23.522853][ T1] Rebooting in 86400 seconds..