./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4276504347 <...> Warning: Permanently added '10.128.0.231' (ED25519) to the list of known hosts. execve("./syz-executor4276504347", ["./syz-executor4276504347"], 0x7ffd947f4050 /* 10 vars */) = 0 brk(NULL) = 0x555573b99000 brk(0x555573b99d00) = 0x555573b99d00 arch_prctl(ARCH_SET_FS, 0x555573b99380) = 0 set_tid_address(0x555573b99650) = 5839 set_robust_list(0x555573b99660, 24) = 0 rseq(0x555573b99ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4276504347", 4096) = 28 getrandom("\xc1\xfb\x33\x2b\x8c\xde\x97\x1b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555573b99d00 brk(0x555573bbad00) = 0x555573bbad00 brk(0x555573bbb000) = 0x555573bbb000 mprotect(0x7fdab2edb000, 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./strace-static-x86_64: Process 5840 attached [pid 5840] set_robust_list(0x555573b99660, 24 [pid 5839] <... clone resumed>, child_tidptr=0x555573b99650) = 5840 [pid 5840] <... set_robust_list resumed>) = 0 [pid 5840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5840] getppid() = 0 [pid 5840] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5840] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5840] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5840] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5840] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5840] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5840] unshare(CLONE_NEWNS) = 0 [pid 5840] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5840] unshare(CLONE_NEWIPC) = 0 [pid 5840] unshare(CLONE_NEWCGROUP) = 0 [pid 5840] unshare(CLONE_NEWUTS) = 0 [pid 5840] unshare(CLONE_SYSVSEM) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "16777216", 8) = 8 [pid 5840] close(3) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "536870912", 9) = 9 [pid 5840] close(3) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "1024", 4) = 4 [pid 5840] close(3) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "8192", 4) = 4 [pid 5840] close(3) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "1024", 4) = 4 [pid 5840] close(3) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "1024", 4) = 4 [pid 5840] close(3) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5840] close(3) = 0 [pid 5840] getpid() = 1 [pid 5840] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0x22/0x250 [pid 5840] close(8) = -1 EBADF (Bad file descriptor) [pid 5840] close(9) = -1 EBADF (Bad file descriptor) [pid 5840] close(10) = -1 EBADF (Bad file descriptor) [pid 5840] close(11) = -1 EBADF (Bad file descriptor) [pid 5840] close(12) = -1 EBADF (Bad file descriptor) [pid 5840] close(13) = -1 EBADF (Bad file descriptor) [pid 5840] close(14) = -1 EBADF (Bad file descriptor) [pid 5840] close(15) = -1 EBADF (Bad file descriptor) [pid 5840] close(16) = -1 EBADF (Bad file descriptor) [pid 5840] close(17) = -1 EBADF (Bad file descriptor) [pid 5840] close(18) = -1 EBADF (Bad file descriptor) [pid 5840] close(19) = -1 EBADF (Bad file descriptor) [pid 5840] close(20) = -1 EBADF (Bad file descriptor) [pid 5840] close(21) = -1 EBADF (Bad file descriptor) [pid 5840] close(22) = -1 EBADF (Bad file descriptor) [pid 5840] close(23) = -1 EBADF (Bad file descriptor) [pid 5840] close(24) = -1 EBADF (Bad file descriptor) [pid 5840] close(25) = -1 EBADF (Bad file descriptor) [pid 5840] close(26) = -1 EBADF (Bad file descriptor) [pid 5840] close(27) = -1 EBADF (Bad file descriptor) [pid 5840] close(28) = -1 EBADF (Bad file descriptor) [pid 5840] close(29) = -1 EBADF (Bad file descriptor) [pid 5840] exit_group(1) = ? [pid 5840] +++ exited with 1 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5840, si_uid=0, si_status=1, si_utime=0, si_stime=8 /* 0.08 s */} --- exit_group(0) = ? +++ exited with 0 +++