./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2235993060 <...> Warning: Permanently added '10.128.0.130' (ED25519) to the list of known hosts. execve("./syz-executor2235993060", ["./syz-executor2235993060"], 0x7ffff37fb6e0 /* 10 vars */) = 0 brk(NULL) = 0x555560816000 brk(0x555560816d00) = 0x555560816d00 arch_prctl(ARCH_SET_FS, 0x555560816380) = 0 set_tid_address(0x555560816650) = 357 set_robust_list(0x555560816660, 24) = 0 rseq(0x555560816ca0, 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-executor2235993060", 4096) = 28 getrandom("\x1f\xd3\x1c\xce\x3f\x46\xc0\x62", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555560816d00 brk(0x555560837d00) = 0x555560837d00 brk(0x555560838000) = 0x555560838000 mprotect(0x7f787e35e000, 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 chmod("/dev/raw-gadget", 0666) = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555560816650) = 359 ./strace-static-x86_64: Process 359 attached [pid 359] set_robust_list(0x555560816660, 24) = 0 [pid 359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 359] getppid() = 0 [pid 359] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 359] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 359] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 359] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 359] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 359] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 359] unshare(CLONE_NEWNS) = 0 [pid 359] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 359] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 359] unshare(CLONE_NEWCGROUP) = 0 [pid 359] unshare(CLONE_NEWUTS) = 0 [pid 359] unshare(CLONE_SYSVSEM) = 0 [pid 359] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 359] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 359] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 359] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 359] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 359] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 359] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 359] getpid() = 1 [pid 359] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<