ci2-android-6-12-rust/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-12-rust/syz-executor762003730 <...> cess permissive=1 [ 21.413673][ T36] audit: type=1400 audit(1788639494.550:63): avc: denied { siginh } for pid=275 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.1.161' (ED25519) to the list of known hosts. execve("ci2-android-6-12-rust/syz-executor762003730", ["ci2-android-6-12-rust/syz-executor762003730"], 0x7fff0df5daa0 /* 10 vars */) = 0 brk(NULL) = 0x55556e084000 brk(0x55556e084d40) = 0x55556e084d40 arch_prctl(ARCH_SET_FS, 0x55556e0843c0) = 0 set_tid_address(0x55556e084690) = 313 set_robust_list(0x55556e0846a0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 32, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-android-6-12-rust/syz-executor762003730", 4096) = 49 getrandom("\x56\xb2\x64\xa3\xf0\x5f\x85\xfd", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556e084d40 brk(0x55556e0a5d40) = 0x55556e0a5d40 brk(0x55556e0a6000) = 0x55556e0a6000 mprotect(0x7f2e46705000, 20480, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556e084690) = 314 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-12-rust/strace-static-x86_64: Process 314 attached [pid 314] set_robust_list(0x55556e0846a0, 24) = 0 [pid 314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 314] setpgid(0, 0) = 0 [pid 314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 314] write(3, "1000", 4) = 4 [pid 314] close(3) = 0 [pid 314] write(1, "executing program\n", 18) = 18 executing program [pid 314] futex(0x7f2e4670bb4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] rt_sigaction(SIGRT_1, {sa_handler=0x7f2e4666e190, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f2e46660460}, NULL, 8) = 0 [pid 314] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2e46607000 [pid 314] mprotect(0x7f2e46608000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2e46627990, parent_tid=0x7f2e46627990, exit_signal=0, stack=0x7f2e46607000, stack_size=0x20300, tls=0x7f2e466276c0} => {parent_tid=[315]}, 88) = 315 [pid 314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 314] futex(0x7f2e4670bb48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] futex(0x7f2e4670bb4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 315 attached [pid 315] set_robust_list(0x7f2e466279a0, 24) = 0 [pid 315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 315] pipe2([3, 4], 0) = 0 [pid 315] futex(0x7f2e4670bb4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] <... futex resumed>) = 0 [pid 315] <... futex resumed>) = 1 [pid 314] futex(0x7f2e4670bb48, FUTEX_WAKE_PRIVATE, 1000000 [pid 315] pipe2( [pid 314] <... futex resumed>) = 0 [pid 315] <... pipe2 resumed>[5, 6], 0) = 0 [pid 314] futex(0x7f2e4670bb4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 315] futex(0x7f2e4670bb4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 314] <... futex resumed>) = 0 [pid 315] futex(0x7f2e4670bb48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 314] futex(0x7f2e4670bb48, FUTEX_WAKE_PRIVATE, 1000000 [pid 315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 314] <... futex resumed>) = 0 [pid 315] mkdirat(AT_FDCWD, "./mnt", 0777 [pid 314] futex(0x7f2e4670bb4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 315] <... mkdirat resumed>) = 0 [pid 315] futex(0x7f2e4670bb4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] <... futex resumed>) = 0 [pid 314] futex(0x7f2e4670bb48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] futex(0x7f2e4670bb4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 315] <... futex resumed>) = 1 [pid 315] mount(NULL, "./mnt", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000006," [pid 314] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 314] futex(0x7f2e4670bb4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 314] futex(0x7f2e4670bb4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 314] futex(0x7f2e4670bb5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f2e465e6000 [pid 314] mprotect(0x7f2e465e7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f2e46606990, parent_tid=0x7f2e46606990, exit_signal=0, stack=0x7f2e465e6000, stack_size=0x20300, tls=0x7f2e466066c0}ci2-android-6-12-rust/strace-static-x86_64: Process 316 attached => {parent_tid=[316]}, 88) = 316 [pid 316] set_robust_list(0x7f2e466069a0, 24) = 0 [pid 314] rt_sigprocmask(SIG_SETMASK, [] [pid 316] rt_sigprocmask(SIG_SETMASK, [] [pid 314] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 316] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 316] futex(0x7f2e4670bb58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 314] futex(0x7f2e4670bb58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 314] futex(0x7f2e4670bb5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 316] gettid() = 316 [pid 316] futex(0x7f2e4670bb5c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 314] <... futex resumed>) = 0 [pid 316] futex(0x7f2e4670bb58, FUTEX_WAIT_PRIVATE, 0, NULL [pid 314] futex(0x7f2e4670bb58, FUTEX_WAKE_PRIVATE, 1000000 [pid 316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 314] <... futex resumed>) = 0 [pid 316] tkill(316, SIGILL [pid 314] futex(0x7f2e4670bb5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 316] <... tkill resumed>) = 0 [pid 316] --- SIGILL {si_signo=SIGILL, si_code=SI_TKILL, si_pid=314, si_uid=0} --- [ 138.867585][ T36] audit: type=1400 audit(1788639612.010:64): avc: denied { execmem } for pid=313 comm="syz-executor762" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 138.890001][ T36] audit: type=1400 audit(1788639612.040:65): avc: denied { mounton } for pid=314 comm="syz-executor762" path="/root/mnt" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [pid 313] kill(-314, SIGKILL) = 0 [pid 313] kill(314, SIGKILL) = 0 [pid 313] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 313] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 313] getdents64(3, 0x55556e085760 /* 2 entries */, 32768) = 48 [pid 313] getdents64(3, 0x55556e085760 /* 0 entries */, 32768) = 0 [pid 313] close(3) = 0 [ 372.758287][ T37] INFO: task syz-executor762:316 blocked for more than 122 seconds. [ 372.766418][ T37] Not tainted syzkaller #0 [ 372.771751][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 372.780601][ T37] task:syz-executor762 state:D stack:0 pid:316 tgid:314 ppid:313 flags:0x00004004 [ 372.790943][ T37] Call Trace: [ 372.794250][ T37] [ 372.797208][ T37] __schedule+0x1496/0x20b0 [ 372.802068][ T37] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 372.807969][ T37] ? __sched_text_start+0x10/0x10 [ 372.813235][ T37] ? update_curr+0xf1/0x9c0 [ 372.817771][ T37] ? enqueue_task+0x1049/0x1100 [ 372.822690][ T37] schedule+0xc5/0x240 [ 372.826787][ T37] schedule_timeout+0xc7/0x3b0 [ 372.831626][ T37] ? __cfi_schedule_timeout+0x10/0x10 [ 372.837038][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 372.842667][ T37] ? activate_task+0x43b/0x480 [ 372.847548][ T37] wait_for_common+0x368/0x650 [ 372.852373][ T37] ? wait_for_completion+0x40/0x40 [ 372.857527][ T37] ? _raw_spin_lock_irq+0x93/0x120 [ 372.862701][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 372.868321][ T37] wait_for_completion_state+0x19/0x40 [ 372.873812][ T37] do_coredump+0x885/0x3050 [ 372.878387][ T37] ? _raw_spin_unlock+0x45/0x60 [ 372.883280][ T37] ? __schedule+0x149e/0x20b0 [ 372.887961][ T37] ? __cfi_do_coredump+0x10/0x10 [ 372.892945][ T37] ? __kasan_check_write+0x18/0x20 [ 372.898141][ T37] ? __kasan_check_write+0x18/0x20 [ 372.903261][ T37] ? _raw_spin_lock_irq+0x93/0x120 [ 372.908445][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 372.914026][ T37] ? kmem_cache_free+0x1bd/0x4f0 [ 372.919008][ T37] ? __asan_memset+0x39/0x50 [ 372.923650][ T37] ? ptrace_stop+0x6d6/0x8f0 [ 372.928391][ T37] ? ptrace_signal+0x358/0x4d0 [ 372.933210][ T37] get_signal+0x11bf/0x1490 [ 372.937725][ T37] arch_do_signal_or_restart+0xbc/0x700 [ 372.943335][ T37] ? __cfi_ptrace_notify+0x10/0x10 [ 372.948499][ T37] ? __se_sys_tkill+0x206/0x290 [ 372.953351][ T37] ? __cfi_arch_do_signal_or_restart+0x10/0x10 [ 372.959570][ T37] ? __kasan_check_write+0x18/0x20 [ 372.964717][ T37] ? syscall_exit_work+0x84/0x150 [ 372.969785][ T37] syscall_exit_to_user_mode+0x57/0xb0 [ 372.975281][ T37] do_syscall_64+0x63/0xf0 [ 372.979764][ T37] ? clear_bhb_loop+0x50/0xa0 [ 372.984490][ T37] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 372.990456][ T37] RIP: 0033:0x7f2e4665b2a9 [ 372.994902][ T37] RSP: 002b:00007f2e46606218 EFLAGS: 00000246 ORIG_RAX: 00000000000000c8 [ 373.003392][ T37] RAX: 0000000000000000 RBX: 00007f2e4670bb58 RCX: 00007f2e4665b2a9 [ 373.011416][ T37] RDX: ffffffffffffffd0 RSI: 0000000000000004 RDI: 000000000000013c [ 373.019431][ T37] RBP: 00007f2e4670bb50 R08: 33203a6b63617473 R09: 33203a6b63617473 [ 373.027437][ T37] R10: 33203a6b63617473 R11: 0000000000000246 R12: 00007f2e466dd380 [ 373.035454][ T37] R13: 0000200000000200 R14: 0000200000000280 R15: 00007ffd19167e28 [ 373.043465][ T37] [ 373.046525][ T37] NMI backtrace for cpu 0 [ 373.046535][ T37] CPU: 0 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 1f46b48b3a0ef7537d643c2c4b1d5e30032b8167 [ 373.046558][ T37] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 373.046568][ T37] Call Trace: [ 373.046573][ T37] [ 373.046579][ T37] __dump_stack+0x21/0x30 [ 373.046605][ T37] dump_stack_lvl+0x140/0x1c0 [ 373.046627][ T37] ? __cfi_dump_stack_lvl+0x10/0x10 [ 373.046650][ T37] ? rcu_preempt_deferred_qs_irqrestore+0x6d6/0xa50 [ 373.046677][ T37] dump_stack+0x19/0x20 [ 373.046698][ T37] nmi_cpu_backtrace+0x2ba/0x2d0 [ 373.046722][ T37] ? rcu_read_unlock_special+0x150/0x420 [ 373.046745][ T37] ? __cfi_nmi_cpu_backtrace+0x10/0x10 [ 373.046767][ T37] ? sched_show_task+0x371/0x530 [ 373.046790][ T37] ? __rcu_read_unlock+0xc0/0xc0 [ 373.046812][ T37] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10 [ 373.046834][ T37] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10 [ 373.046856][ T37] nmi_trigger_cpumask_backtrace+0x142/0x2c0 [ 373.046881][ T37] arch_trigger_cpumask_backtrace+0x14/0x20 [ 373.046903][ T37] watchdog+0xe45/0xf90 [ 373.046919][ T37] ? __kasan_check_write+0x18/0x20 [ 373.046939][ T37] ? __cfi_watchdog+0x10/0x10 [ 373.046955][ T37] ? __kasan_check_read+0x15/0x20 [ 373.046970][ T37] ? __kthread_parkme+0x12f/0x180 [ 373.046986][ T37] ? schedule+0xc5/0x240 [ 373.047002][ T37] kthread+0x2c4/0x360 [ 373.047020][ T37] ? __cfi_watchdog+0x10/0x10 [ 373.047036][ T37] ? __cfi_kthread+0x10/0x10 [ 373.047054][ T37] ret_from_fork+0x64/0xa0 [ 373.047078][ T37] ? __cfi_kthread+0x10/0x10 [ 373.047096][ T37] ret_from_fork_asm+0x1a/0x30 [ 373.047112][ T37] [ 373.047118][ T37] Sending NMI from CPU 0 to CPUs 1: [ 373.217734][ C1] NMI backtrace for cpu 1 [ 373.217748][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 1f46b48b3a0ef7537d643c2c4b1d5e30032b8167 [ 373.217769][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 373.217780][ C1] RIP: 0010:pv_native_safe_halt+0x13/0x20 [ 373.217819][ C1] Code: cc cc cc cc cc cc cc b8 10 e0 3a f0 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 03 68 42 00 55 48 89 e5 fb f4 <5d> c3 cc cc cc cc cc cc cc cc cc cc cc b8 00 00 00 00 90 90 90 90 [ 373.217833][ C1] RSP: 0018:ffffc900001a7e00 EFLAGS: 000002c2 [ 373.217849][ C1] RAX: ffff8881f6f00000 RBX: ffff888103669300 RCX: ffffffff85a4f4fd [ 373.217861][ C1] RDX: 0000000000000001 RSI: 0000000000000004 RDI: 000000000002778c [ 373.217872][ C1] RBP: ffffc900001a7e00 R08: ffff8881f6f395eb R09: 1ffff1103ede72bd [ 373.217884][ C1] R10: dffffc0000000000 R11: ffffed103ede72be R12: 0000000000000000 [ 373.217895][ C1] R13: 1ffff110206cd260 R14: dffffc0000000000 R15: ffffffff87ecd7e8 [ 373.217908][ C1] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 373.217940][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 373.217952][ C1] CR2: 000055556e084390 CR3: 000000010cf02000 CR4: 00000000003526b0 [ 373.217967][ C1] Call Trace: [ 373.217988][ C1] [ 373.217996][ C1] default_idle+0x17/0x30 [ 373.218018][ C1] arch_cpu_idle+0xd/0x20 [ 373.218039][ C1] default_idle_call+0x3e/0x80 [ 373.218061][ C1] do_idle+0x1df/0x570 [ 373.218079][ C1] ? idle_inject_timer_fn+0x80/0x80 [ 373.218100][ C1] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 373.218129][ C1] ? complete+0x172/0x1d0 [ 373.218145][ C1] cpu_startup_entry+0x47/0x60 [ 373.218163][ C1] start_secondary+0x12e/0x140 [ 373.218186][ C1] common_startup_64+0x13b/0x157 [ 373.218212][ C1]