./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor28314159 <...> Warning: Permanently added '10.128.0.74' (ED25519) to the list of known hosts. execve("./syz-executor28314159", ["./syz-executor28314159"], 0x7ffe52293050 /* 10 vars */) = 0 brk(NULL) = 0x55557a350000 brk(0x55557a350d00) = 0x55557a350d00 arch_prctl(ARCH_SET_FS, 0x55557a350380) = 0 set_tid_address(0x55557a350650) = 5780 set_robust_list(0x55557a350660, 24) = 0 rseq(0x55557a350ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor28314159", 4096) = 26 getrandom("\xd8\x09\x0f\x2e\x93\xfb\xd7\x51", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557a350d00 brk(0x55557a371d00) = 0x55557a371d00 brk(0x55557a372000) = 0x55557a372000 mprotect(0x7f51be027000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557a350650) = 5781 ./strace-static-x86_64: Process 5781 attached [pid 5781] set_robust_list(0x55557a350660, 24) = 0 [pid 5781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5781] getppid() = 0 [pid 5781] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5781] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5781] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5781] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5781] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5781] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5781] unshare(CLONE_NEWNS) = 0 [pid 5781] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5781] unshare(CLONE_NEWIPC) = 0 [pid 5781] unshare(CLONE_NEWCGROUP) = 0 [pid 5781] unshare(CLONE_NEWUTS) = 0 [pid 5781] unshare(CLONE_SYSVSEM) = 0 [pid 5781] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5781] write(3, "16777216", 8) = 8 [pid 5781] close(3) = 0 [pid 5781] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5781] write(3, "536870912", 9) = 9 [pid 5781] close(3) = 0 [pid 5781] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5781] write(3, "1024", 4) = 4 [pid 5781] close(3) = 0 [pid 5781] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5781] write(3, "8192", 4) = 4 [pid 5781] close(3) = 0 [pid 5781] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5781] write(3, "1024", 4) = 4 [pid 5781] close(3) = 0 [pid 5781] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5781] write(3, "1024", 4) = 4 [pid 5781] close(3) = 0 [pid 5781] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5781] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5781] close(3) = 0 [pid 5781] getpid() = 1 [pid 5781] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 205.242079][ T59] dump_stack_lvl+0x216/0x2d0 [ 205.247022][ T59] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 205.253074][ T59] dump_stack+0x1e/0x24 [ 205.257452][ T59] panic+0x4e2/0xcf0 [ 205.261525][ T59] ? kmsan_get_metadata+0xa1/0x1c0 [ 205.266866][ T59] kmsan_report+0x2c7/0x2d0 [ 205.271553][ T59] ? kmsan_get_metadata+0x13e/0x1c0 [ 205.276995][ T59] ? __msan_warning+0x95/0x120 [ 205.282038][ T59] ? n_tty_receive_buf_standard+0xc58/0x9220 [ 205.288272][ T59] ? n_tty_receive_buf_common+0x18d8/0x2490 [ 205.294722][ T59] ? n_tty_receive_buf2+0x4c/0x60 [ 205.299964][ T59] ? tty_ldisc_receive_buf+0xd0/0x290 [ 205.305606][ T59] ? tty_port_default_receive_buf+0xdf/0x190 [ 205.311962][ T59] ? flush_to_ldisc+0x473/0xdb0 [ 205.317084][ T59] ? process_scheduled_works+0xae0/0x1c40 [ 205.323038][ T59] ? worker_thread+0xea7/0x14f0 [ 205.328172][ T59] ? kthread+0x3e2/0x540 [ 205.332591][ T59] ? ret_from_fork+0x6d/0x90 [ 205.337390][ T59] ? ret_from_fork_asm+0x1a/0x30 [pid 5784] sendfile(4, 5, NULL, 2199023401110) = 6579 [ 205.342605][ T59] ? filter_irq_stacks+0x60/0x1a0 [ 205.347908][ T59] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 205.354567][ T59] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 205.360642][ T59] ? n_tty_receive_char+0xd6b/0x1450 [ 205.366275][ T59] ? kmsan_get_metadata+0x13e/0x1c0 [ 205.371723][ T59] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 205.378125][ T59] __msan_warning+0x95/0x120 [ 205.383074][ T59] n_tty_receive_buf_standard+0xc58/0x9220 [ 205.389152][ T59] ? kmsan_get_metadata+0x13e/0x1c0 [pid 5784] close(3) = 0 [ 205.394622][ T59] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 205.401251][ T59] ? kmsan_get_metadata+0x13e/0x1c0 [ 205.406693][ T59] ? down_read+0x6bb/0xb20 [ 205.411386][ T59] ? filter_irq_stacks+0x164/0x1a0 [ 205.416851][ T59] ? kmsan_get_metadata+0x13e/0x1c0 [ 205.422292][ T59] n_tty_receive_buf_common+0x18d8/0x2490 [ 205.428248][ T59] ? kmsan_get_metadata+0x13e/0x1c0 [ 205.433638][ T59] ? psi_group_change+0xfd5/0x15a0 [ 205.438899][ T59] n_tty_receive_buf2+0x4c/0x60 [ 205.443987][ T59] ? __pfx_n_tty_receive_buf2+0x10/0x10 [ 205.449770][ T59] tty_ldisc_receive_buf+0xd0/0x290 [ 205.455190][ T59] tty_port_default_receive_buf+0xdf/0x190 [ 205.461234][ T59] flush_to_ldisc+0x473/0xdb0 [ 205.466196][ T59] ? __pfx_tty_port_default_receive_buf+0x10/0x10 [ 205.472911][ T59] ? __pfx_flush_to_ldisc+0x10/0x10 [ 205.478357][ T59] process_scheduled_works+0xae0/0x1c40 [ 205.484129][ T59] worker_thread+0xea7/0x14f0 [ 205.489076][ T59] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 205.495229][ T59] kthread+0x3e2/0x540 [ 205.499511][ T59] ? __pfx_worker_thread+0x10/0x10 [ 205.504934][ T59] ? __pfx_kthread+0x10/0x10 [ 205.509765][ T59] ret_from_fork+0x6d/0x90 [ 205.514429][ T59] ? __pfx_kthread+0x10/0x10 [ 205.519282][ T59] ret_from_fork_asm+0x1a/0x30 [ 205.524308][ T59] [ 205.527647][ T59] Kernel Offset: disabled [ 205.532058][ T59] Rebooting in 86400 seconds..