./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3996162100 <...> Warning: Permanently added '10.128.0.201' (ED25519) to the list of known hosts. execve("./syz-executor3996162100", ["./syz-executor3996162100"], 0x7fffc5363bd0 /* 10 vars */) = 0 brk(NULL) = 0x555581fae000 brk(0x555581faed00) = 0x555581faed00 arch_prctl(ARCH_SET_FS, 0x555581fae380) = 0 set_tid_address(0x555581fae650) = 5840 set_robust_list(0x555581fae660, 24) = 0 rseq(0x555581faeca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3996162100", 4096) = 28 getrandom("\x3a\x63\x73\x19\x0c\x59\xee\xc5", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555581faed00 brk(0x555581fcfd00) = 0x555581fcfd00 brk(0x555581fd0000) = 0x555581fd0000 mprotect(0x7f1c35f27000, 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=0x555581fae650) = 5841 ./strace-static-x86_64: Process 5841 attached [pid 5841] set_robust_list(0x555581fae660, 24) = 0 [pid 5841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5841] getppid() = 0 [pid 5841] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5841] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5841] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5841] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5841] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5841] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5841] unshare(CLONE_NEWNS) = 0 [pid 5841] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5841] unshare(CLONE_NEWIPC) = 0 [pid 5841] unshare(CLONE_NEWCGROUP) = 0 [pid 5841] unshare(CLONE_NEWUTS) = 0 [pid 5841] unshare(CLONE_SYSVSEM) = 0 [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5841] write(3, "16777216", 8) = 8 [pid 5841] close(3) = 0 [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5841] write(3, "536870912", 9) = 9 [pid 5841] close(3) = 0 [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5841] write(3, "1024", 4) = 4 [pid 5841] close(3) = 0 [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5841] write(3, "8192", 4) = 4 [pid 5841] close(3) = 0 [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5841] write(3, "1024", 4) = 4 [pid 5841] close(3) = 0 [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5841] write(3, "1024", 4) = 4 [pid 5841] close(3) = 0 [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5841] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5841] close(3) = 0 [pid 5841] getpid() = 1 [pid 5841] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0x22/0x250 [pid 5841] +++ exited with 1 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5841, si_uid=0, si_status=1, si_utime=0, si_stime=6 /* 0.06 s */} --- exit_group(0) = ? +++ exited with 0 +++