./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3078184322 <...> Warning: Permanently added '10.128.1.35' (ED25519) to the list of known hosts. execve("./syz-executor3078184322", ["./syz-executor3078184322"], 0x7fffced70e40 /* 10 vars */) = 0 brk(NULL) = 0x555556b87000 brk(0x555556b87d00) = 0x555556b87d00 arch_prctl(ARCH_SET_FS, 0x555556b87380) = 0 set_tid_address(0x555556b87650) = 5004 set_robust_list(0x555556b87660, 24) = 0 rseq(0x555556b87ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3078184322", 4096) = 28 getrandom("\x53\x75\xe7\xf8\xc3\xd5\x43\x0b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556b87d00 brk(0x555556ba8d00) = 0x555556ba8d00 brk(0x555556ba9000) = 0x555556ba9000 mprotect(0x7fa2c7f4d000, 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 5005 attached , child_tidptr=0x555556b87650) = 5005 [pid 5005] set_robust_list(0x555556b87660, 24) = 0 [pid 5005] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5005] setsid() = 1 [pid 5005] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5005] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5005] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5005] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5005] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5005] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5005] unshare(CLONE_NEWNS) = 0 [pid 5005] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5005] unshare(CLONE_NEWIPC) = 0 [pid 5005] unshare(CLONE_NEWCGROUP) = 0 [pid 5005] unshare(CLONE_NEWUTS) = 0 [pid 5005] unshare(CLONE_SYSVSEM) = 0 [pid 5005] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5005] write(3, "16777216", 8) = 8 [pid 5005] close(3) = 0 [pid 5005] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5005] write(3, "536870912", 9) = 9 [pid 5005] close(3) = 0 [pid 5005] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5005] write(3, "1024", 4) = 4 [pid 5005] close(3) = 0 [pid 5005] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5005] write(3, "8192", 4) = 4 [pid 5005] close(3) = 0 [pid 5005] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5005] write(3, "1024", 4) = 4 [pid 5005] close(3) = 0 [pid 5005] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5005] write(3, "1024", 4) = 4 [pid 5005] close(3) = 0 [pid 5005] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5005] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5005] close(3) = 0 [pid 5005] getpid() = 1 [pid 5005] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5009] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000000} --- [pid 5008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5008] close(13) = -1 EBADF (Bad file descriptor) [pid 5008] close(14) = -1 EBADF (Bad file descriptor) [pid 5008] close(15) = -1 EBADF (Bad file descriptor) [pid 5008] close(16) = -1 EBADF (Bad file descriptor) [pid 5008] close(17) = -1 EBADF (Bad file descriptor) [pid 5008] close(18) = -1 EBADF (Bad file descriptor) [pid 5008] close(19) = -1 EBADF (Bad file descriptor) [pid 5008] close(20) = -1 EBADF (Bad file descriptor) [pid 5008] close(21) = -1 EBADF (Bad file descriptor) [pid 5008] close(22) = -1 EBADF (Bad file descriptor) [pid 5008] close(23) = -1 EBADF (Bad file descriptor) [pid 5008] close(24) = -1 EBADF (Bad file descriptor) [pid 5008] close(25) = -1 EBADF (Bad file descriptor) [pid 5008] close(26) = -1 EBADF (Bad file descriptor) [pid 5008] close(27) = -1 EBADF (Bad file descriptor) [pid 5008] close(28) = -1 EBADF (Bad file descriptor) [pid 5008] close(29) = -1 EBADF (Bad file descriptor) [pid 5008] exit_group(0) = ? [pid 5008] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5010 attached , child_tidptr=0x555556b87650) = 4 [pid 5010] set_robust_list(0x555556b87660, 24) = 0 [pid 5010] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5010] setpgid(0, 0) = 0 [pid 5010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5010] write(3, "1000", 4) = 4 [pid 5010] close(3) = 0 [pid 5010] mmap(0x20000000, 11755520, PROT_NONE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x20000000 [pid 5010] clone(child_stack=0x20000000, flags=0) = 5 ./strace-static-x86_64: Process 5011 attached [pid 5010] close(3 [pid 5011] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000000} --- [pid 5010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5010] close(4) = -1 EBADF (Bad file descriptor) [pid 5010] close(5) = -1 EBADF (Bad file descriptor) [pid 5010] close(6) = -1 EBADF (Bad file descriptor) [pid 5010] close(7) = -1 EBADF (Bad file descriptor) [pid 5010] close(8) = -1 EBADF (Bad file descriptor) [pid 5010] close(9) = -1 EBADF (Bad file descriptor) [pid 5010] close(10) = -1 EBADF (Bad file descriptor) [pid 5010] close(11) = -1 EBADF (Bad file descriptor) [pid 5010] close(12) = -1 EBADF (Bad file descriptor) [pid 5010] close(13) = -1 EBADF (Bad file descriptor) [pid 5010] close(14) = -1 EBADF (Bad file descriptor) [pid 5010] close(15) = -1 EBADF (Bad file descriptor) [pid 5010] close(16) = -1 EBADF (Bad file descriptor) [pid 5010] close(17) = -1 EBADF (Bad file descriptor) [pid 5010] close(18) = -1 EBADF (Bad file descriptor) [pid 5010] close(19) = -1 EBADF (Bad file descriptor) [pid 5010] close(20) = -1 EBADF (Bad file descriptor) [pid 5010] close(21) = -1 EBADF (Bad file descriptor) [pid 5010] close(22) = -1 EBADF (Bad file descriptor) [pid 5010] close(23) = -1 EBADF (Bad file descriptor) [pid 5010] close(24) = -1 EBADF (Bad file descriptor) [pid 5010] close(25) = -1 EBADF (Bad file descriptor) [pid 5010] close(26) = -1 EBADF (Bad file descriptor) [pid 5010] close(27) = -1 EBADF (Bad file descriptor) [pid 5010] close(28) = -1 EBADF (Bad file descriptor) [pid 5010] close(29) = -1 EBADF (Bad file descriptor) [pid 5010] exit_group(0) = ? [pid 5010] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5012 attached , child_tidptr=0x555556b87650) = 6 [pid 5012] set_robust_list(0x555556b87660, 24) = 0 [pid 5012] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5012] setpgid(0, 0) = 0 [pid 5012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5012] write(3, "1000", 4) = 4 [pid 5012] close(3) = 0 [pid 5012] mmap(0x20000000, 11755520, PROT_NONE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x20000000 [pid 5012] clone(child_stack=0x20000000, flags=0./strace-static-x86_64: Process 5013 attached [pid 5013] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000000} --- [pid 5012] <... clone resumed>) = 7 [pid 5012] close(3) = -1 EBADF (Bad file descriptor) [pid 5012] close(4) = -1 EBADF (Bad file descriptor) [pid 5012] close(5) = -1 EBADF (Bad file descriptor) [pid 5012] close(6) = -1 EBADF (Bad file descriptor) [pid 5012] close(7) = -1 EBADF (Bad file descriptor) [pid 5012] close(8) = -1 EBADF (Bad file descriptor) [pid 5012] close(9) = -1 EBADF (Bad file descriptor) [pid 5012] close(10) = -1 EBADF (Bad file descriptor) [pid 5012] close(11) = -1 EBADF (Bad file descriptor) [pid 5012] close(12) = -1 EBADF (Bad file descriptor) [pid 5012] close(13) = -1 EBADF (Bad file descriptor) [pid 5012] close(14) = -1 EBADF (Bad file descriptor) [pid 5012] close(15) = -1 EBADF (Bad file descriptor) [pid 5012] close(16) = -1 EBADF (Bad file descriptor) [pid 5012] close(17) = -1 EBADF (Bad file descriptor) [pid 5012] close(18) = -1 EBADF (Bad file descriptor) [pid 5012] close(19) = -1 EBADF (Bad file descriptor) [pid 5012] close(20) = -1 EBADF (Bad file descriptor) [pid 5012] close(21) = -1 EBADF (Bad file descriptor) [pid 5012] close(22) = -1 EBADF (Bad file descriptor) [pid 5012] close(23) = -1 EBADF (Bad file descriptor) [pid 5012] close(24) = -1 EBADF (Bad file descriptor) [pid 5012] close(25) = -1 EBADF (Bad file descriptor) [pid 5012] close(26) = -1 EBADF (Bad file descriptor) [pid 5012] close(27) = -1 EBADF (Bad file descriptor) [pid 5012] close(28) = -1 EBADF (Bad file descriptor) [pid 5012] close(29) = -1 EBADF (Bad file descriptor) [pid 5012] exit_group(0) = ? [pid 5012] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b87650) = 8 ./strace-static-x86_64: Process 5014 attached [pid 5014] set_robust_list(0x555556b87660, 24) = 0 [pid 5014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5014] setpgid(0, 0) = 0 [pid 5014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "1000", 4) = 4 [pid 5014] close(3) = 0 [pid 5014] mmap(0x20000000, 11755520, PROT_NONE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x20000000 [pid 5014] clone(child_stack=0x20000000, flags=0./strace-static-x86_64: Process 5015 attached [pid 5015] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000000} --- [pid 5014] <... clone resumed>) = 9 [pid 5014] close(3) = -1 EBADF (Bad file descriptor) [pid 5014] close(4) = -1 EBADF (Bad file descriptor) [pid 5014] close(5) = -1 EBADF (Bad file descriptor) [pid 5014] close(6) = -1 EBADF (Bad file descriptor) [pid 5014] close(7) = -1 EBADF (Bad file descriptor) [pid 5014] close(8) = -1 EBADF (Bad file descriptor) [pid 5014] close(9) = -1 EBADF (Bad file descriptor) [pid 5014] close(10) = -1 EBADF (Bad file descriptor) [pid 5014] close(11) = -1 EBADF (Bad file descriptor) [pid 5014] close(12) = -1 EBADF (Bad file descriptor) [pid 5014] close(13) = -1 EBADF (Bad file descriptor) [pid 5014] close(14) = -1 EBADF (Bad file descriptor) [pid 5014] close(15) = -1 EBADF (Bad file descriptor) [pid 5014] close(16) = -1 EBADF (Bad file descriptor) [pid 5014] close(17) = -1 EBADF (Bad file descriptor) [pid 5014] close(18) = -1 EBADF (Bad file descriptor) [pid 5014] close(19) = -1 EBADF (Bad file descriptor) [pid 5014] close(20) = -1 EBADF (Bad file descriptor) [pid 5014] close(21) = -1 EBADF (Bad file descriptor) [pid 5014] close(22) = -1 EBADF (Bad file descriptor) [pid 5014] close(23) = -1 EBADF (Bad file descriptor) [pid 5014] close(24) = -1 EBADF (Bad file descriptor) [pid 5014] close(25) = -1 EBADF (Bad file descriptor) [pid 5014] close(26) = -1 EBADF (Bad file descriptor) [pid 5014] close(27) = -1 EBADF (Bad file descriptor) [pid 5014] close(28) = -1 EBADF (Bad file descriptor) [pid 5014] close(29) = -1 EBADF (Bad file descriptor) [pid 5014] exit_group(0) = ? [pid 5014] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5016 attached [pid 5016] set_robust_list(0x555556b87660, 24) = 0 [pid 5016] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x555556b87650) = 10 [pid 5016] setpgid(0, 0) = 0 [pid 5016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5016] write(3, "1000", 4) = 4 [pid 5016] close(3) = 0 [pid 5016] mmap(0x20000000, 11755520, PROT_NONE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x20000000 [pid 5016] clone(child_stack=0x20000000, flags=0./strace-static-x86_64: Process 5017 attached [pid 5017] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000000} --- [pid 5016] <... clone resumed>) = 11 [pid 5016] close(3) = -1 EBADF (Bad file descriptor) [pid 5016] close(4) = -1 EBADF (Bad file descriptor) [pid 5016] close(5) = -1 EBADF (Bad file descriptor) [pid 5016] close(6) = -1 EBADF (Bad file descriptor) [pid 5016] close(7) = -1 EBADF (Bad file descriptor) [pid 5016] close(8) = -1 EBADF (Bad file descriptor) [pid 5016] close(9) = -1 EBADF (Bad file descriptor) [pid 5016] close(10) = -1 EBADF (Bad file descriptor) [pid 5016] close(11) = -1 EBADF (Bad file descriptor) [pid 5016] close(12) = -1 EBADF (Bad file descriptor) [pid 5016] close(13) = -1 EBADF (Bad file descriptor) [pid 5016] close(14) = -1 EBADF (Bad file descriptor) [pid 5016] close(15) = -1 EBADF (Bad file descriptor) [pid 5016] close(16) = -1 EBADF (Bad file descriptor) [pid 5016] close(17) = -1 EBADF (Bad file descriptor) [pid 5016] close(18) = -1 EBADF (Bad file descriptor) [pid 5016] close(19) = -1 EBADF (Bad file descriptor) [pid 5016] close(20) = -1 EBADF (Bad file descriptor) [pid 5016] close(21) = -1 EBADF (Bad file descriptor) [pid 5016] close(22) = -1 EBADF (Bad file descriptor) [pid 5016] close(23) = -1 EBADF (Bad file descriptor) [pid 5016] close(24) = -1 EBADF (Bad file descriptor) [pid 5016] close(25) = -1 EBADF (Bad file descriptor) [pid 5016] close(26) = -1 EBADF (Bad file descriptor) [pid 5016] close(27) = -1 EBADF (Bad file descriptor) [pid 5016] close(28) = -1 EBADF (Bad file descriptor) [pid 5016] close(29) = -1 EBADF (Bad file descriptor) [pid 5016] exit_group(0) = ? [pid 5016] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5018 attached [pid 5018] set_robust_list(0x555556b87660, 24) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x555556b87650) = 12 [pid 5018] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5018] setpgid(0, 0) = 0 [pid 5018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5018] write(3, "1000", 4) = 4 [pid 5018] close(3) = 0 [pid 5018] mmap(0x20000000, 11755520, PROT_NONE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x20000000 [pid 5018] clone(child_stack=0x20000000, flags=0./strace-static-x86_64: Process 5019 attached [pid 5019] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000000} --- [pid 5018] <... clone resumed>) = 13 [pid 5018] close(3) = -1 EBADF (Bad file descriptor) [pid 5018] close(4) = -1 EBADF (Bad file descriptor) [pid 5018] close(5) = -1 EBADF (Bad file descriptor) [pid 5018] close(6) = -1 EBADF (Bad file descriptor) [pid 5018] close(7) = -1 EBADF (Bad file descriptor) [pid 5018] close(8) = -1 EBADF (Bad file descriptor) [pid 5018] close(9) = -1 EBADF (Bad file descriptor) [pid 5018] close(10) = -1 EBADF (Bad file descriptor) [pid 5018] close(11) = -1 EBADF (Bad file descriptor) [pid 5018] close(12) = -1 EBADF (Bad file descriptor) [pid 5018] close(13) = -1 EBADF (Bad file descriptor) [pid 5018] close(14) = -1 EBADF (Bad file descriptor) [pid 5018] close(15) = -1 EBADF (Bad file descriptor) [pid 5018] close(16) = -1 EBADF (Bad file descriptor) [pid 5018] close(17) = -1 EBADF (Bad file descriptor) [pid 5018] close(18) = -1 EBADF (Bad file descriptor) [pid 5018] close(19) = -1 EBADF (Bad file descriptor) [pid 5018] close(20) = -1 EBADF (Bad file descriptor) [pid 5018] close(21) = -1 EBADF (Bad file descriptor) [pid 5018] close(22) = -1 EBADF (Bad file descriptor) [pid 5018] close(23) = -1 EBADF (Bad file descriptor) [pid 5018] close(24) = -1 EBADF (Bad file descriptor) [pid 5018] close(25) = -1 EBADF (Bad file descriptor) [pid 5018] close(26) = -1 EBADF (Bad file descriptor) [pid 5018] close(27) = -1 EBADF (Bad file descriptor) [pid 5018] close(28) = -1 EBADF (Bad file descriptor) [pid 5018] close(29) = -1 EBADF (Bad file descriptor) [pid 5018] exit_group(0) = ? [pid 5018] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5020 attached [pid 5020] set_robust_list(0x555556b87660, 24) = 0 [pid 5020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... clone resumed>, child_tidptr=0x555556b87650) = 14 [pid 5020] <... prctl resumed>) = 0 [pid 5020] setpgid(0, 0) = 0 [pid 5020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5020] write(3, "1000", 4) = 4 [pid 5020] close(3) = 0 [pid 5020] mmap(0x20000000, 11755520, PROT_NONE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x20000000 [pid 5020] clone(child_stack=0x20000000, flags=0./strace-static-x86_64: Process 5021 attached ) = 15 [pid 5021] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000000} --- [pid 5020] close(3) = -1 EBADF (Bad file descriptor) [pid 5020] close(4) = -1 EBADF (Bad file descriptor) [pid 5020] close(5) = -1 EBADF (Bad file descriptor) [pid 5020] close(6) = -1 EBADF (Bad file descriptor) [pid 5020] close(7) = -1 EBADF (Bad file descriptor) [pid 5020] close(8) = -1 EBADF (Bad file descriptor) [pid 5020] close(9) = -1 EBADF (Bad file descriptor) [pid 5020] close(10) = -1 EBADF (Bad file descriptor) [pid 5020] close(11) = -1 EBADF (Bad file descriptor) [pid 5020] close(12) = -1 EBADF (Bad file descriptor) [pid 5020] close(13) = -1 EBADF (Bad file descriptor) [pid 5020] close(14) = -1 EBADF (Bad file descriptor) [pid 5020] close(15) = -1 EBADF (Bad file descriptor) [pid 5020] close(16) = -1 EBADF (Bad file descriptor) [pid 5020] close(17) = -1 EBADF (Bad file descriptor) [pid 5020] close(18) = -1 EBADF (Bad file descriptor) [pid 5020] close(19) = -1 EBADF (Bad file descriptor) [pid 5020] close(20) = -1 EBADF (Bad file descriptor) [pid 5020] close(21) = -1 EBADF (Bad file descriptor) [pid 5020] close(22) = -1 EBADF (Bad file descriptor) [pid 5020] close(23) = -1 EBADF (Bad file descriptor) [pid 5020] close(24) = -1 EBADF (Bad file descriptor) [pid 5020] close(25) = -1 EBADF (Bad file descriptor) [pid 5020] close(26) = -1 EBADF (Bad file descriptor) [pid 5020] close(27) = -1 EBADF (Bad file descriptor) [pid 5020] close(28) = -1 EBADF (Bad file descriptor) [pid 5020] close(29) = -1 EBADF (Bad file descriptor) [pid 5020] exit_group(0) = ? [pid 5020] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b87650) = 16 ./strace-static-x86_64: Process 5022 attached [pid 5022] set_robust_list(0x555556b87660, 24) = 0 [pid 5022] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5022] setpgid(0, 0) = 0 [pid 5022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5022] write(3, "1000", 4) = 4 [pid 5022] close(3) = 0 [pid 5022] mmap(0x20000000, 11755520, PROT_NONE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x20000000 [pid 5022] clone(child_stack=0x20000000, flags=0./strace-static-x86_64: Process 5023 attached [pid 5023] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000000} --- [pid 5022] <... clone resumed>) = 17 [pid 5022] close(3) = -1 EBADF (Bad file descriptor) [pid 5022] close(4) = -1 EBADF (Bad file descriptor) [pid 5022] close(5) = -1 EBADF (Bad file descriptor) [pid 5022] close(6) = -1 EBADF (Bad file descriptor) [pid 5022] close(7) = -1 EBADF (Bad file descriptor) [pid 5022] close(8) = -1 EBADF (Bad file descriptor) [pid 5022] close(9) = -1 EBADF (Bad file descriptor) [pid 5022] close(10) = -1 EBADF (Bad file descriptor) [pid 5022] close(11) = -1 EBADF (Bad file descriptor) [pid 5022] close(12) = -1 EBADF (Bad file descriptor) [pid 5022] close(13) = -1 EBADF (Bad file descriptor) [pid 5022] close(14) = -1 EBADF (Bad file descriptor) [pid 5022] close(15) = -1 EBADF (Bad file descriptor) [pid 5022] close(16) = -1 EBADF (Bad file descriptor) [pid 5022] close(17) = -1 EBADF (Bad file descriptor) [pid 5022] close(18) = -1 EBADF (Bad file descriptor) [pid 5022] close(19) = -1 EBADF (Bad file descriptor) [pid 5022] close(20) = -1 EBADF (Bad file descriptor) [pid 5022] close(21) = -1 EBADF (Bad file descriptor) [pid 5022] close(22) = -1 EBADF (Bad file descriptor) [pid 5022] close(23) = -1 EBADF (Bad file descriptor) [pid 5022] close(24) = -1 EBADF (Bad file descriptor) [pid 5022] close(25) = -1 EBADF (Bad file descriptor) [pid 5022] close(26) = -1 EBADF (Bad file descriptor) [pid 5022] close(27) = -1 EBADF (Bad file descriptor) [pid 5022] close(28) = -1 EBADF (Bad file descriptor) [pid 5022] close(29) = -1 EBADF (Bad file descriptor) [pid 5022] exit_group(0) = ? [pid 5022] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5024 attached , child_tidptr=0x555556b87650) = 18 [pid 5024] set_robust_list(0x555556b87660, 24) = 0 [pid 5024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5024] setpgid(0, 0) = 0 [pid 5024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5024] write(3, "1000", 4) = 4 [pid 5024] close(3) = 0 [pid 5024] mmap(0x20000000, 11755520, PROT_NONE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x20000000 [pid 5024] clone(child_stack=0x20000000, flags=0./strace-static-x86_64: Process 5025 attached ) = 19 [pid 5025] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000000} --- [pid 5024] close(3) = -1 EBADF (Bad file descriptor) [pid 5024] close(4) = -1 EBADF (Bad file descriptor) [pid 5024] close(5) = -1 EBADF (Bad file descriptor) [pid 5024] close(6) = -1 EBADF (Bad file descriptor) [pid 5024] close(7) = -1 EBADF (Bad file descriptor) [pid 5024] close(8) = -1 EBADF (Bad file descriptor) [pid 5024] close(9) = -1 EBADF (Bad file descriptor) [pid 5024] close(10) = -1 EBADF (Bad file descriptor) [pid 5024] close(11) = -1 EBADF (Bad file descriptor) [pid 5024] close(12) = -1 EBADF (Bad file descriptor) [pid 5024] close(13) = -1 EBADF (Bad file descriptor) [pid 5024] close(14) = -1 EBADF (Bad file descriptor) [pid 5024] close(15) = -1 EBADF (Bad file descriptor) [pid 5024] close(16) = -1 EBADF (Bad file descriptor) [pid 5024] close(17) = -1 EBADF (Bad file descriptor) [pid 5024] close(18) = -1 EBADF (Bad file descriptor) [pid 5024] close(19) = -1 EBADF (Bad file descriptor) [pid 5024] close(20) = -1 EBADF (Bad file descriptor) [pid 5024] close(21) = -1 EBADF (Bad file descriptor) [pid 5024] close(22) = -1 EBADF (Bad file descriptor) [pid 5024] close(23) = -1 EBADF (Bad file descriptor) [pid 5024] close(24) = -1 EBADF (Bad file descriptor) [pid 5024] close(25) = -1 EBADF (Bad file descriptor) [pid 5024] close(26) = -1 EBADF (Bad file descriptor) [pid 5024] close(27) = -1 EBADF (Bad file descriptor) [pid 5024] close(28) = -1 EBADF (Bad file descriptor) [pid 5024] close(29) = -1 EBADF (Bad file descriptor) [pid 5024] exit_group(0) = ? [pid 5024] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b87650) = 20 ./strace-static-x86_64: Process 5026 attached [pid 5026] set_robust_list(0x555556b87660, 24) = 0 [pid 5026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5026] setpgid(0, 0) = 0 [pid 5026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "1000", 4) = 4 [pid 5026] close(3) = 0 [pid 5026] mmap(0x20000000, 11755520, PROT_NONE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x20000000 [pid 5026] clone(child_stack=0x20000000, flags=0) = 21 [pid 5026] close(3) = -1 EBADF (Bad file descriptor) [pid 5026] close(4) = -1 EBADF (Bad file descriptor) [pid 5026] close(5) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5027 attached [pid 5027] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000000} --- [pid 5026] close(6) = -1 EBADF (Bad file descriptor) [pid 5026] close(7) = -1 EBADF (Bad file descriptor) [pid 5026] close(8) = -1 EBADF (Bad file descriptor) [pid 5026] close(9) = -1 EBADF (Bad file descriptor) [pid 5026] close(10) = -1 EBADF (Bad file descriptor) [pid 5026] close(11) = -1 EBADF (Bad file descriptor) [pid 5026] close(12) = -1 EBADF (Bad file descriptor) [pid 5026] close(13) = -1 EBADF (Bad file descriptor) [pid 5026] close(14) = -1 EBADF (Bad file descriptor) [pid 5026] close(15) = -1 EBADF (Bad file descriptor) [pid 5026] close(16) = -1 EBADF (Bad file descriptor) [pid 5026] close(17) = -1 EBADF (Bad file descriptor) [pid 5026] close(18) = -1 EBADF (Bad file descriptor) [pid 5026] close(19) = -1 EBADF (Bad file descriptor) [pid 5026] close(20) = -1 EBADF (Bad file descriptor) [pid 5026] close(21) = -1 EBADF (Bad file descriptor) [pid 5026] close(22) = -1 EBADF (Bad file descriptor) [pid 5026] close(23) = -1 EBADF (Bad file descriptor) [pid 5026] close(24) = -1 EBADF (Bad file descriptor) [pid 5026] close(25) = -1 EBADF (Bad file descriptor) [pid 5026] close(26) = -1 EBADF (Bad file descriptor) [pid 5026] close(27) = -1 EBADF (Bad file descriptor) [pid 5026] close(28) = -1 EBADF (Bad file descriptor) [pid 5026] close(29) = -1 EBADF (Bad file descriptor) [pid 5026] exit_group(0) = ? [pid 5026] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b87650) = 22 ./strace-static-x86_64: Process 5028 attached [pid 5028] set_robust_list(0x555556b87660, 24) = 0 [pid 5028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5028] setpgid(0, 0) = 0 [pid 5028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5028] write(3, "1000", 4) = 4 [pid 5028] close(3) = 0 [pid 5028] mmap(0x20000000, 11755520, PROT_NONE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x20000000 [pid 5028] clone(child_stack=0x20000000, flags=0) = 23 [pid 5028] close(3) = -1 EBADF (Bad file descriptor) [pid 5028] close(4) = -1 EBADF (Bad file descriptor) [pid 5028] close(5) = -1 EBADF (Bad file descriptor) [pid 5028] close(6) = -1 EBADF (Bad file descriptor) [pid 5028] close(7./strace-static-x86_64: Process 5029 attached ) = -1 EBADF (Bad file descriptor) [pid 5028] close(8 [pid 5029] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000000} --- [pid 5028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(9) = -1 EBADF (Bad file descriptor) [pid 5028] close(10) = -1 EBADF (Bad file descriptor) [pid 5028] close(11) = -1 EBADF (Bad file descriptor) [pid 5028] close(12) = -1 EBADF (Bad file descriptor) [pid 5028] close(13) = -1 EBADF (Bad file descriptor) [pid 5028] close(14) = -1 EBADF (Bad file descriptor) [pid 5028] close(15) = -1 EBADF (Bad file descriptor) [pid 5028] close(16) = -1 EBADF (Bad file descriptor) [pid 5028] close(17) = -1 EBADF (Bad file descriptor) [pid 5028] close(18) = -1 EBADF (Bad file descriptor) [pid 5028] close(19) = -1 EBADF (Bad file descriptor) [pid 5028] close(20) = -1 EBADF (Bad file descriptor) [pid 5028] close(21) = -1 EBADF (Bad file descriptor) [pid 5028] close(22) = -1 EBADF (Bad file descriptor) [pid 5028] close(23) = -1 EBADF (Bad file descriptor) [pid 5028] close(24) = -1 EBADF (Bad file descriptor) [pid 5028] close(25) = -1 EBADF (Bad file descriptor) [pid 5028] close(26) = -1 EBADF (Bad file descriptor) [pid 5028] close(27) = -1 EBADF (Bad file descriptor) [pid 5028] close(28) = -1 EBADF (Bad file descriptor) [pid 5028] close(29) = -1 EBADF (Bad file descriptor) [pid 5028] exit_group(0) = ? [pid 5028] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b87650) = 24 ./strace-static-x86_64: Process 5030 attached [pid 5030] set_robust_list(0x555556b87660, 24) = 0 [pid 5030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5030] setpgid(0, 0) = 0 [pid 5030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5030] write(3, "1000", 4) = 4 [pid 5030] close(3) = 0 [pid 5030] mmap(0x20000000, 11755520, PROT_NONE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x20000000 [pid 5030] clone(child_stack=0x20000000, flags=0./strace-static-x86_64: Process 5031 attached [pid 5031] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000000} --- [pid 5030] <... clone resumed>) = 25 [pid 5030] close(3) = -1 EBADF (Bad file descriptor) [pid 5030] close(4) = -1 EBADF (Bad file descriptor) [pid 5030] close(5) = -1 EBADF (Bad file descriptor) [pid 5030] close(6) = -1 EBADF (Bad file descriptor) [pid 5030] close(7) = -1 EBADF (Bad file descriptor) [pid 5030] close(8) = -1 EBADF (Bad file descriptor) [pid 5030] close(9) = -1 EBADF (Bad file descriptor) [pid 5030] close(10) = -1 EBADF (Bad file descriptor) [pid 5030] close(11) = -1 EBADF (Bad file descriptor) [pid 5030] close(12) = -1 EBADF (Bad file descriptor) [pid 5030] close(13) = -1 EBADF (Bad file descriptor) [pid 5030] close(14) = -1 EBADF (Bad file descriptor) [pid 5030] close(15) = -1 EBADF (Bad file descriptor) [pid 5030] close(16) = -1 EBADF (Bad file descriptor) [pid 5030] close(17) = -1 EBADF (Bad file descriptor) [pid 5030] close(18) = -1 EBADF (Bad file descriptor) [pid 5030] close(19) = -1 EBADF (Bad file descriptor) [pid 5030] close(20) = -1 EBADF (Bad file descriptor) [pid 5030] close(21) = -1 EBADF (Bad file descriptor) [pid 5030] close(22) = -1 EBADF (Bad file descriptor) [pid 5030] close(23) = -1 EBADF (Bad file descriptor) [pid 5030] close(24) = -1 EBADF (Bad file descriptor) [pid 5030] close(25) = -1 EBADF (Bad file descriptor) [pid 5030] close(26) = -1 EBADF (Bad file descriptor) [pid 5030] close(27) = -1 EBADF (Bad file descriptor) [pid 5030] close(28) = -1 EBADF (Bad file descriptor) [pid 5030] close(29) = -1 EBADF (Bad file descriptor) [pid 5030] exit_group(0) = ? [pid 5030] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5032 attached , child_tidptr=0x555556b87650) = 26 [pid 5032] set_robust_list(0x555556b87660, 24) = 0 [pid 5032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5032] setpgid(0, 0) = 0 [pid 5032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5032] write(3, "1000", 4) = 4 [pid 5032] close(3) = 0 [pid 5032] mmap(0x20000000, 11755520, PROT_NONE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x20000000 [pid 5032] clone(child_stack=0x20000000, flags=0) = 27 [pid 5032] close(3) = -1 EBADF (Bad file descriptor) [pid 5032] close(4) = -1 EBADF (Bad file descriptor) [pid 5032] close(5) = -1 EBADF (Bad file descriptor) [pid 5032] close(6) = -1 EBADF (Bad file descriptor) [pid 5032] close(7) = -1 EBADF (Bad file descriptor) [pid 5032] close(8./strace-static-x86_64: Process 5033 attached ) = -1 EBADF (Bad file descriptor) [pid 5032] close(9) = -1 EBADF (Bad file descriptor) [pid 5032] close(10) = -1 EBADF (Bad file descriptor) [pid 5032] close(11) = -1 EBADF (Bad file descriptor) [pid 5033] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000000} --- [pid 5032] close(12) = -1 EBADF (Bad file descriptor) [pid 5032] close(13) = -1 EBADF (Bad file descriptor) [pid 5032] close(14) = -1 EBADF (Bad file descriptor) [pid 5032] close(15) = -1 EBADF (Bad file descriptor) [pid 5032] close(16) = -1 EBADF (Bad file descriptor) [pid 5032] close(17) = -1 EBADF (Bad file descriptor) [pid 5032] close(18) = -1 EBADF (Bad file descriptor) [pid 5032] close(19) = -1 EBADF (Bad file descriptor) [pid 5032] close(20) = -1 EBADF (Bad file descriptor) [pid 5032] close(21) = -1 EBADF (Bad file descriptor) [pid 5032] close(22) = -1 EBADF (Bad file descriptor) [pid 5032] close(23) = -1 EBADF (Bad file descriptor) [pid 5032] close(24) = -1 EBADF (Bad file descriptor) [pid 5032] close(25) = -1 EBADF (Bad file descriptor) [pid 5032] close(26) = -1 EBADF (Bad file descriptor) [pid 5032] close(27) = -1 EBADF (Bad file descriptor) [pid 5032] close(28) = -1 EBADF (Bad file descriptor) [pid 5032] close(29) = -1 EBADF (Bad file descriptor) [pid 5032] exit_group(0) = ? [pid 5032] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b87650) = 28 ./strace-static-x86_64: Process 5034 attached [pid 5034] set_robust_list(0x555556b87660, 24) = 0 [pid 5034] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5034] setpgid(0, 0) = 0 [pid 5034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5034] write(3, "1000", 4) = 4 [pid 5034] close(3) = 0 [pid 5034] mmap(0x20000000, 11755520, PROT_NONE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x20000000 [pid 5034] clone(child_stack=0x20000000, flags=0./strace-static-x86_64: Process 5035 attached [pid 5035] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000000} --- [pid 5034] <... clone resumed>) = 29 [pid 5034] close(3) = -1 EBADF (Bad file descriptor) [pid 5034] close(4) = -1 EBADF (Bad file descriptor) [pid 5034] close(5) = -1 EBADF (Bad file descriptor) [pid 5034] close(6) = -1 EBADF (Bad file descriptor) [pid 5034] close(7) = -1 EBADF (Bad file descriptor) [pid 5034] close(8) = -1 EBADF (Bad file descriptor) [pid 5034] close(9) = -1 EBADF (Bad file descriptor) [pid 5034] close(10) = -1 EBADF (Bad file descriptor) [pid 5034] close(11) = -1 EBADF (Bad file descriptor) [pid 5034] close(12) = -1 EBADF (Bad file descriptor) [pid 5034] close(13) = -1 EBADF (Bad file descriptor) [pid 5034] close(14) = -1 EBADF (Bad file descriptor) [pid 5034] close(15) = -1 EBADF (Bad file descriptor) [pid 5034] close(16) = -1 EBADF (Bad file descriptor) [pid 5034] close(17) = -1 EBADF (Bad file descriptor) [pid 5034] close(18) = -1 EBADF (Bad file descriptor) [pid 5034] close(19) = -1 EBADF (Bad file descriptor) [pid 5034] close(20) = -1 EBADF (Bad file descriptor) [pid 5034] close(21) = -1 EBADF (Bad file descriptor) [pid 5034] close(22) = -1 EBADF (Bad file descriptor) [pid 5034] close(23) = -1 EBADF (Bad file descriptor) [pid 5034] close(24) = -1 EBADF (Bad file descriptor) [pid 5034] close(25) = -1 EBADF (Bad file descriptor) [pid 5034] close(26) = -1 EBADF (Bad file descriptor) [pid 5034] close(27) = -1 EBADF (Bad file descriptor) [pid 5034] close(28) = -1 EBADF (Bad file descriptor) [pid 5034] close(29) = -1 EBADF (Bad file descriptor) [pid 5034] exit_group(0) = ? [pid 5034] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b87650) = 30 ./strace-static-x86_64: Process 5036 attached [pid 5036] set_robust_list(0x555556b87660, 24) = 0 [pid 5036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5036] setpgid(0, 0) = 0 [pid 5036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5036] write(3, "1000", 4) = 4 [pid 5036] close(3) = 0 [pid 5036] mmap(0x20000000, 11755520, PROT_NONE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x20000000 [pid 5036] clone(child_stack=0x20000000, flags=0./strace-static-x86_64: Process 5037 attached ) = 31 [pid 5036] close(3 [pid 5037] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000000} --- [pid 5036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5036] close(4) = -1 EBADF (Bad file descriptor) [pid 5036] close(5) = -1 EBADF (Bad file descriptor) [pid 5036] close(6) = -1 EBADF (Bad file descriptor) [pid 5036] close(7) = -1 EBADF (Bad file descriptor) [pid 5036] close(8) = -1 EBADF (Bad file descriptor) [pid 5036] close(9) = -1 EBADF (Bad file descriptor) [pid 5036] close(10) = -1 EBADF (Bad file descriptor) [pid 5036] close(11) = -1 EBADF (Bad file descriptor) [pid 5036] close(12) = -1 EBADF (Bad file descriptor) [pid 5036] close(13) = -1 EBADF (Bad file descriptor) [pid 5036] close(14) = -1 EBADF (Bad file descriptor) [pid 5036] close(15) = -1 EBADF (Bad file descriptor) [pid 5036] close(16) = -1 EBADF (Bad file descriptor) [pid 5036] close(17) = -1 EBADF (Bad file descriptor) [pid 5036] close(18) = -1 EBADF (Bad file descriptor) [pid 5036] close(19) = -1 EBADF (Bad file descriptor) [pid 5036] close(20) = -1 EBADF (Bad file descriptor) [pid 5036] close(21) = -1 EBADF (Bad file descriptor) [pid 5036] close(22) = -1 EBADF (Bad file descriptor) [pid 5036] close(23) = -1 EBADF (Bad file descriptor) [pid 5036] close(24) = -1 EBADF (Bad file descriptor) [pid 5036] close(25) = -1 EBADF (Bad file descriptor) [pid 5036] close(26) = -1 EBADF (Bad file descriptor) [pid 5036] close(27) = -1 EBADF (Bad file descriptor) [pid 5036] close(28) = -1 EBADF (Bad file descriptor) [pid 5036] close(29) = -1 EBADF (Bad file descriptor) [pid 5036] exit_group(0) = ? [pid 5036] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b87650) = 32 ./strace-static-x86_64: Process 5038 attached [pid 5038] set_robust_list(0x555556b87660, 24) = 0 [pid 5038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5038] setpgid(0, 0) = 0 [pid 5038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5038] write(3, "1000", 4) = 4 [pid 5038] close(3) = 0 [pid 5038] mmap(0x20000000, 11755520, PROT_NONE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x20000000 [pid 5038] clone(child_stack=0x20000000, flags=0./strace-static-x86_64: Process 5039 attached [pid 5039] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000000} --- [pid 5038] <... clone resumed>) = 33 [pid 5038] close(3) = -1 EBADF (Bad file descriptor) [pid 5038] close(4) = -1 EBADF (Bad file descriptor) [pid 5038] close(5) = -1 EBADF (Bad file descriptor) [pid 5038] close(6) = -1 EBADF (Bad file descriptor) [pid 5038] close(7) = -1 EBADF (Bad file descriptor) [pid 5038] close(8) = -1 EBADF (Bad file descriptor) [pid 5038] close(9) = -1 EBADF (Bad file descriptor) [pid 5038] close(10) = -1 EBADF (Bad file descriptor) [pid 5038] close(11) = -1 EBADF (Bad file descriptor) [pid 5038] close(12) = -1 EBADF (Bad file descriptor) [pid 5038] close(13) = -1 EBADF (Bad file descriptor) [pid 5038] close(14) = -1 EBADF (Bad file descriptor) [pid 5038] close(15) = -1 EBADF (Bad file descriptor) [pid 5038] close(16) = -1 EBADF (Bad file descriptor) [pid 5038] close(17) = -1 EBADF (Bad file descriptor) [pid 5038] close(18) = -1 EBADF (Bad file descriptor) [pid 5038] close(19) = -1 EBADF (Bad file descriptor) [pid 5038] close(20) = -1 EBADF (Bad file descriptor) [pid 5038] close(21) = -1 EBADF (Bad file descriptor) [pid 5038] close(22) = -1 EBADF (Bad file descriptor) [pid 5038] close(23) = -1 EBADF (Bad file descriptor) [pid 5038] close(24) = -1 EBADF (Bad file descriptor) [pid 5038] close(25) = -1 EBADF (Bad file descriptor) [pid 5038] close(26) = -1 EBADF (Bad file descriptor) [pid 5038] close(27) = -1 EBADF (Bad file descriptor) [pid 5038] close(28) = -1 EBADF (Bad file descriptor) [pid 5038] close(29) = -1 EBADF (Bad file descriptor) [pid 5038] exit_group(0) = ? [pid 5038] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b87650) = 34 ./strace-static-x86_64: Process 5040 attached [pid 5040] set_robust_list(0x555556b87660, 24) = 0 [pid 5040] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5040] setpgid(0, 0) = 0 [pid 5040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5040] write(3, "1000", 4) = 4 [pid 5040] close(3) = 0 [pid 5040] mmap(0x20000000, 11755520, PROT_NONE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x20000000 [pid 5040] clone(child_stack=0x20000000, flags=0./strace-static-x86_64: Process 5041 attached ) = 35 [pid 5041] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000000} --- [pid 5040] close(3) = -1 EBADF (Bad file descriptor) [pid 5040] close(4) = -1 EBADF (Bad file descriptor) [pid 5040] close(5) = -1 EBADF (Bad file descriptor) [pid 5040] close(6) = -1 EBADF (Bad file descriptor) [pid 5040] close(7) = -1 EBADF (Bad file descriptor) [pid 5040] close(8) = -1 EBADF (Bad file descriptor) [pid 5040] close(9) = -1 EBADF (Bad file descriptor) [pid 5040] close(10) = -1 EBADF (Bad file descriptor) [pid 5040] close(11) = -1 EBADF (Bad file descriptor) [pid 5040] close(12) = -1 EBADF (Bad file descriptor) [pid 5040] close(13) = -1 EBADF (Bad file descriptor) [pid 5040] close(14) = -1 EBADF (Bad file descriptor) [pid 5040] close(15) = -1 EBADF (Bad file descriptor) [pid 5040] close(16) = -1 EBADF (Bad file descriptor) [pid 5040] close(17) = -1 EBADF (Bad file descriptor) [pid 5040] close(18) = -1 EBADF (Bad file descriptor) [pid 5040] close(19) = -1 EBADF (Bad file descriptor) [pid 5040] close(20) = -1 EBADF (Bad file descriptor) [pid 5040] close(21) = -1 EBADF (Bad file descriptor) [pid 5040] close(22) = -1 EBADF (Bad file descriptor) [pid 5040] close(23) = -1 EBADF (Bad file descriptor) [pid 5040] close(24) = -1 EBADF (Bad file descriptor) [pid 5040] close(25) = -1 EBADF (Bad file descriptor) [pid 5040] close(26) = -1 EBADF (Bad file descriptor) [pid 5040] close(27) = -1 EBADF (Bad file descriptor) [pid 5040] close(28) = -1 EBADF (Bad file descriptor) [pid 5040] close(29) = -1 EBADF (Bad file descriptor) [pid 5040] exit_group(0) = ? [pid 5040] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b87650) = 36 ./strace-static-x86_64: Process 5042 attached [pid 5042] set_robust_list(0x555556b87660, 24) = 0 [pid 5042] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5042] setpgid(0, 0) = 0 [pid 5042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5042] write(3, "1000", 4) = 4 [pid 5042] close(3) = 0 [pid 5042] mmap(0x20000000, 11755520, PROT_NONE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x20000000 [pid 5042] clone(child_stack=0x20000000, flags=0./strace-static-x86_64: Process 5043 attached [pid 5043] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000000} --- [pid 5042] <... clone resumed>) = 37 [pid 5042] close(3) = -1 EBADF (Bad file descriptor) [pid 5042] close(4) = -1 EBADF (Bad file descriptor) [pid 5042] close(5) = -1 EBADF (Bad file descriptor) [pid 5042] close(6) = -1 EBADF (Bad file descriptor) [pid 5042] close(7) = -1 EBADF (Bad file descriptor) [pid 5042] close(8) = -1 EBADF (Bad file descriptor) [pid 5042] close(9) = -1 EBADF (Bad file descriptor) [pid 5042] close(10) = -1 EBADF (Bad file descriptor) [pid 5042] close(11) = -1 EBADF (Bad file descriptor) [pid 5042] close(12) = -1 EBADF (Bad file descriptor) [pid 5042] close(13) = -1 EBADF (Bad file descriptor) [pid 5042] close(14) = -1 EBADF (Bad file descriptor) [pid 5042] close(15) = -1 EBADF (Bad file descriptor) [pid 5042] close(16) = -1 EBADF (Bad file descriptor) [pid 5042] close(17) = -1 EBADF (Bad file descriptor) [pid 5042] close(18) = -1 EBADF (Bad file descriptor) [pid 5042] close(19) = -1 EBADF (Bad file descriptor) [pid 5042] close(20) = -1 EBADF (Bad file descriptor) [pid 5042] close(21) = -1 EBADF (Bad file descriptor) [pid 5042] close(22) = -1 EBADF (Bad file descriptor) [pid 5042] close(23) = -1 EBADF (Bad file descriptor) [pid 5042] close(24) = -1 EBADF (Bad file descriptor) [pid 5042] close(25) = -1 EBADF (Bad file descriptor) [pid 5042] close(26) = -1 EBADF (Bad file descriptor) [pid 5042] close(27) = -1 EBADF (Bad file descriptor) [pid 5042] close(28) = -1 EBADF (Bad file descriptor) [pid 5042] close(29) = -1 EBADF (Bad file descriptor) [pid 5042] exit_group(0) = ? [pid 5042] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b87650) = 38 ./strace-static-x86_64: Process 5044 attached [pid 5044] set_robust_list(0x555556b87660, 24) = 0 [pid 5044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5044] setpgid(0, 0) = 0 [pid 5044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5044] write(3, "1000", 4) = 4 [pid 5044] close(3) = 0 [pid 5044] mmap(0x20000000, 11755520, PROT_NONE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x20000000 [pid 5044] clone(child_stack=0x20000000, flags=0./strace-static-x86_64: Process 5045 attached [pid 5045] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000000} --- [pid 5044] <... clone resumed>) = 39 [pid 5044] close(3) = -1 EBADF (Bad file descriptor) [pid 5044] close(4) = -1 EBADF (Bad file descriptor) [pid 5044] close(5) = -1 EBADF (Bad file descriptor) [pid 5044] close(6) = -1 EBADF (Bad file descriptor) [pid 5044] close(7) = -1 EBADF (Bad file descriptor) [pid 5044] close(8) = -1 EBADF (Bad file descriptor) [pid 5044] close(9) = -1 EBADF (Bad file descriptor) [pid 5044] close(10) = -1 EBADF (Bad file descriptor) [pid 5044] close(11) = -1 EBADF (Bad file descriptor) [pid 5044] close(12) = -1 EBADF (Bad file descriptor) [pid 5044] close(13) = -1 EBADF (Bad file descriptor) [pid 5044] close(14) = -1 EBADF (Bad file descriptor) [pid 5044] close(15) = -1 EBADF (Bad file descriptor) [pid 5044] close(16) = -1 EBADF (Bad file descriptor) [pid 5044] close(17) = -1 EBADF (Bad file descriptor) [pid 5044] close(18) = -1 EBADF (Bad file descriptor) [pid 5044] close(19) = -1 EBADF (Bad file descriptor) [pid 5044] close(20) = -1 EBADF (Bad file descriptor) [pid 5044] close(21) = -1 EBADF (Bad file descriptor) [pid 5044] close(22) = -1 EBADF (Bad file descriptor) [pid 5044] close(23) = -1 EBADF (Bad file descriptor) [pid 5044] close(24) = -1 EBADF (Bad file descriptor) [pid 5044] close(25) = -1 EBADF (Bad file descriptor) [pid 5044] close(26) = -1 EBADF (Bad file descriptor) [pid 5044] close(27) = -1 EBADF (Bad file descriptor) [pid 5044] close(28) = -1 EBADF (Bad file descriptor) [pid 5044] close(29) = -1 EBADF (Bad file descriptor) [pid 5044] exit_group(0) = ? [pid 5044] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b87650) = 40 ./strace-static-x86_64: Process 5046 attached [pid 5046] set_robust_list(0x555556b87660, 24) = 0 [pid 5046] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5046] setpgid(0, 0) = 0 [pid 5046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5046] write(3, "1000", 4) = 4 [pid 5046] close(3) = 0 [pid 5046] mmap(0x20000000, 11755520, PROT_NONE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x20000000 [pid 5046] clone(child_stack=0x20000000, flags=0) = 41 ./strace-static-x86_64: Process 5047 attached [pid 5046] close(3 [pid 5047] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000000} --- [pid 5046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5046] close(4) = -1 EBADF (Bad file descriptor) [pid 5046] close(5) = -1 EBADF (Bad file descriptor) [pid 5046] close(6) = -1 EBADF (Bad file descriptor) [pid 5046] close(7) = -1 EBADF (Bad file descriptor) [pid 5046] close(8) = -1 EBADF (Bad file descriptor) [pid 5046] close(9) = -1 EBADF (Bad file descriptor) [pid 5046] close(10) = -1 EBADF (Bad file descriptor) [pid 5046] close(11) = -1 EBADF (Bad file descriptor) [pid 5046] close(12) = -1 EBADF (Bad file descriptor) [pid 5046] close(13) = -1 EBADF (Bad file descriptor) [pid 5046] close(14) = -1 EBADF (Bad file descriptor) [pid 5046] close(15) = -1 EBADF (Bad file descriptor) [pid 5046] close(16) = -1 EBADF (Bad file descriptor) [pid 5046] close(17) = -1 EBADF (Bad file descriptor) [pid 5046] close(18) = -1 EBADF (Bad file descriptor) [pid 5046] close(19) = -1 EBADF (Bad file descriptor) [pid 5046] close(20) = -1 EBADF (Bad file descriptor) [pid 5046] close(21) = -1 EBADF (Bad file descriptor) [pid 5046] close(22) = -1 EBADF (Bad file descriptor) [pid 5046] close(23) = -1 EBADF (Bad file descriptor) [pid 5046] close(24) = -1 EBADF (Bad file descriptor) [pid 5046] close(25) = -1 EBADF (Bad file descriptor) [pid 5046] close(26) = -1 EBADF (Bad file descriptor) [pid 5046] close(27) = -1 EBADF (Bad file descriptor) [pid 5046] close(28) = -1 EBADF (Bad file descriptor) [pid 5046] close(29) = -1 EBADF (Bad file descriptor) [pid 5046] exit_group(0) = ? [pid 5046] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5048 attached [pid 5048] set_robust_list(0x555556b87660, 24) = 0 [pid 5048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5048] setpgid(0, 0) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x555556b87650) = 42 [pid 5048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5048] write(3, "1000", 4) = 4 [pid 5048] close(3) = 0 [pid 5048] mmap(0x20000000, 11755520, PROT_NONE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x20000000 [pid 5048] clone(child_stack=0x20000000, flags=0./strace-static-x86_64: Process 5049 attached [pid 5049] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000000} --- [pid 5048] <... clone resumed>) = 43 [pid 5048] close(3) = -1 EBADF (Bad file descriptor) [pid 5048] close(4) = -1 EBADF (Bad file descriptor) [pid 5048] close(5) = -1 EBADF (Bad file descriptor) [pid 5048] close(6) = -1 EBADF (Bad file descriptor) [pid 5048] close(7) = -1 EBADF (Bad file descriptor) [pid 5048] close(8) = -1 EBADF (Bad file descriptor) [pid 5048] close(9) = -1 EBADF (Bad file descriptor) [pid 5048] close(10) = -1 EBADF (Bad file descriptor) [pid 5048] close(11) = -1 EBADF (Bad file descriptor) [pid 5048] close(12) = -1 EBADF (Bad file descriptor) [pid 5048] close(13) = -1 EBADF (Bad file descriptor) [pid 5048] close(14) = -1 EBADF (Bad file descriptor) [pid 5048] close(15) = -1 EBADF (Bad file descriptor) [pid 5048] close(16) = -1 EBADF (Bad file descriptor) [pid 5048] close(17) = -1 EBADF (Bad file descriptor) [pid 5048] close(18) = -1 EBADF (Bad file descriptor) [pid 5048] close(19) = -1 EBADF (Bad file descriptor) [pid 5048] close(20) = -1 EBADF (Bad file descriptor) [pid 5048] close(21) = -1 EBADF (Bad file descriptor) [pid 5048] close(22) = -1 EBADF (Bad file descriptor) [pid 5048] close(23) = -1 EBADF (Bad file descriptor) [pid 5048] close(24) = -1 EBADF (Bad file descriptor) [pid 5048] close(25) = -1 EBADF (Bad file descriptor) [pid 5048] close(26) = -1 EBADF (Bad file descriptor) [pid 5048] close(27) = -1 EBADF (Bad file descriptor) [pid 5048] close(28) = -1 EBADF (Bad file descriptor) [pid 5048] close(29) = -1 EBADF (Bad file descriptor) [pid 5048] exit_group(0) = ? [pid 5048] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5050 attached [pid 5050] set_robust_list(0x555556b87660, 24) = 0 [pid 5050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5050] setpgid(0, 0) = 0 [pid 5050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] <... clone resumed>, child_tidptr=0x555556b87650) = 44 [pid 5050] <... openat resumed>) = 3 [pid 5050] write(3, "1000", 4) = 4 [pid 5050] close(3) = 0 [pid 5050] mmap(0x20000000, 11755520, PROT_NONE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x20000000 [pid 5050] clone(child_stack=0x20000000, flags=0./strace-static-x86_64: Process 5051 attached [pid 5051] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000000} --- [pid 5050] <... clone resumed>) = 45 [pid 5050] close(3) = -1 EBADF (Bad file descriptor) [pid 5050] close(4) = -1 EBADF (Bad file descriptor) [pid 5050] close(5) = -1 EBADF (Bad file descriptor) [pid 5050] close(6) = -1 EBADF (Bad file descriptor) [pid 5050] close(7) = -1 EBADF (Bad file descriptor) [pid 5050] close(8) = -1 EBADF (Bad file descriptor) [pid 5050] close(9) = -1 EBADF (Bad file descriptor) [pid 5050] close(10) = -1 EBADF (Bad file descriptor) [pid 5050] close(11) = -1 EBADF (Bad file descriptor) [pid 5050] close(12) = -1 EBADF (Bad file descriptor) [pid 5050] close(13) = -1 EBADF (Bad file descriptor) [pid 5050] close(14) = -1 EBADF (Bad file descriptor) [pid 5050] close(15) = -1 EBADF (Bad file descriptor) [pid 5050] close(16) = -1 EBADF (Bad file descriptor) [pid 5050] close(17) = -1 EBADF (Bad file descriptor) [pid 5050] close(18) = -1 EBADF (Bad file descriptor) [pid 5050] close(19) = -1 EBADF (Bad file descriptor) [pid 5050] close(20) = -1 EBADF (Bad file descriptor) [pid 5050] close(21) = -1 EBADF (Bad file descriptor) [pid 5050] close(22) = -1 EBADF (Bad file descriptor) [pid 5050] close(23) = -1 EBADF (Bad file descriptor) [pid 5050] close(24) = -1 EBADF (Bad file descriptor) [pid 5050] close(25) = -1 EBADF (Bad file descriptor) [pid 5050] close(26) = -1 EBADF (Bad file descriptor) [pid 5050] close(27) = -1 EBADF (Bad file descriptor) [pid 5050] close(28) = -1 EBADF (Bad file descriptor) [pid 5050] close(29) = -1 EBADF (Bad file descriptor) [pid 5050] exit_group(0) = ? [pid 5050] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5052 attached , child_tidptr=0x555556b87650) = 46 [pid 5052] set_robust_list(0x555556b87660, 24) = 0 [pid 5052] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5052] setpgid(0, 0) = 0 [pid 5052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5052] write(3, "1000", 4) = 4 [pid 5052] close(3) = 0 [pid 5052] mmap(0x20000000, 11755520, PROT_NONE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x20000000 [pid 5052] clone(child_stack=0x20000000, flags=0./strace-static-x86_64: Process 5053 attached ) = 47 [pid 5053] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000000} --- [pid 5052] close(3) = -1 EBADF (Bad file descriptor) [pid 5052] close(4) = -1 EBADF (Bad file descriptor) [pid 5052] close(5) = -1 EBADF (Bad file descriptor) [pid 5052] close(6) = -1 EBADF (Bad file descriptor) [pid 5052] close(7) = -1 EBADF (Bad file descriptor) [pid 5052] close(8) = -1 EBADF (Bad file descriptor) [pid 5052] close(9) = -1 EBADF (Bad file descriptor) [ 157.452267][ T1021] ===================================================== [ 157.459601][ T1021] BUG: KMSAN: uninit-value in virtqueue_add+0x21c6/0x6530 [ 157.466936][ T1021] virtqueue_add+0x21c6/0x6530 [ 157.471916][ T1021] virtqueue_add_sgs+0x186/0x1a0 [ 157.477062][ T1021] virtscsi_add_cmd+0x838/0xad0 [ 157.482087][ T1021] virtscsi_queuecommand+0x896/0xa60 [ 157.487549][ T1021] scsi_queue_rq+0x4874/0x5790 [ 157.492469][ T1021] blk_mq_dispatch_rq_list+0x13f8/0x3600 [pid 5052] close(10) = -1 EBADF (Bad file descriptor) [pid 5052] close(11) = -1 EBADF (Bad file descriptor) [pid 5052] close(12) = -1 EBADF (Bad file descriptor) [pid 5052] close(13) = -1 EBADF (Bad file descriptor) [pid 5052] close(14) = -1 EBADF (Bad file descriptor) [pid 5052] close(15) = -1 EBADF (Bad file descriptor) [pid 5052] close(16) = -1 EBADF (Bad file descriptor) [ 157.498298][ T1021] __blk_mq_sched_dispatch_requests+0x10af/0x2500 [ 157.504904][ T1021] blk_mq_sched_dispatch_requests+0x160/0x2d0 [ 157.511161][ T1021] blk_mq_run_hw_queue+0x6e2/0xbb0 [ 157.516466][ T1021] blk_mq_flush_plug_list+0x143f/0x2a80 [ 157.522226][ T1021] blk_add_rq_to_plug+0x2c7/0x960 [ 157.527441][ T1021] blk_mq_submit_bio+0x2005/0x3580 [ 157.532756][ T1021] __submit_bio+0x3ba/0xb30 [ 157.537458][ T1021] submit_bio_noacct_nocheck+0xf6b/0x1240 [ 157.543380][ T1021] submit_bio_noacct+0x1e01/0x2770 [ 157.548687][ T1021] submit_bio+0x171/0x1c0 [ 157.553207][ T1021] ext4_bio_write_folio+0x1df7/0x2db0 [ 157.558770][ T1021] ext4_do_writepages+0x3b41/0x67e0 [ 157.564173][ T1021] ext4_writepages+0x30c/0x810 [ 157.569118][ T1021] do_writepages+0x426/0x870 [ 157.573879][ T1021] __writeback_single_inode+0x10d/0x12b0 [ 157.579696][ T1021] writeback_sb_inodes+0xb73/0x1c00 [ 157.585056][ T1021] __writeback_inodes_wb+0x14c/0x440 [ 157.590500][ T1021] wb_writeback+0x4da/0xdf0 [ 157.595150][ T1021] wb_workfn+0x104e/0x1710 [pid 5052] close(17) = -1 EBADF (Bad file descriptor) [pid 5052] close(18) = -1 EBADF (Bad file descriptor) [ 157.599761][ T1021] process_scheduled_works+0x104e/0x1e70 [ 157.605573][ T1021] worker_thread+0xf45/0x1490 [ 157.610422][ T1021] kthread+0x3ed/0x540 [ 157.614675][ T1021] ret_from_fork+0x66/0x80 [ 157.619279][ T1021] ret_from_fork_asm+0x11/0x20 [ 157.624219][ T1021] [ 157.626631][ T1021] Uninit was created at: [ 157.631097][ T1021] __alloc_pages+0x9a4/0xe00 [ 157.635871][ T1021] alloc_pages_mpol+0x62b/0x9d0 [ 157.640894][ T1021] folio_alloc+0x1da/0x380 [ 157.645471][ T1021] filemap_alloc_folio+0xa5/0x430 [pid 5052] close(19) = -1 EBADF (Bad file descriptor) [ 157.650679][ T1021] __filemap_get_folio+0xa5a/0x1760 [ 157.656069][ T1021] ext4_da_write_begin+0x7f8/0xec0 [ 157.661375][ T1021] generic_perform_write+0x3f5/0xc40 [ 157.666869][ T1021] ext4_buffered_write_iter+0x564/0xaa0 [ 157.672846][ T1021] ext4_file_write_iter+0x20f/0x3460 [ 157.678482][ T1021] __kernel_write_iter+0x329/0x930 [ 157.683896][ T1021] dump_user_range+0x593/0xcd0 [ 157.688835][ T1021] elf_core_dump+0x528d/0x5a40 [ 157.693850][ T1021] do_coredump+0x32c9/0x4920 [ 157.698781][ T1021] get_signal+0x2185/0x2d10 [pid 5052] close(20) = -1 EBADF (Bad file descriptor) [pid 5052] close(21) = -1 EBADF (Bad file descriptor) [ 157.703504][ T1021] arch_do_signal_or_restart+0x53/0xca0 [ 157.709315][ T1021] exit_to_user_mode_loop+0xe8/0x320 [ 157.714795][ T1021] exit_to_user_mode_prepare+0x163/0x220 [ 157.720628][ T1021] irqentry_exit_to_user_mode+0xd/0x30 [ 157.726305][ T1021] irqentry_exit+0x16/0x40 [ 157.730901][ T1021] exc_page_fault+0x246/0x6f0 [ 157.735772][ T1021] asm_exc_page_fault+0x2b/0x30 [ 157.740792][ T1021] [ 157.743194][ T1021] Bytes 0-4095 of 4096 are uninitialized [ 157.748932][ T1021] Memory access of size 4096 starts at ffff88812ac33000 [ 157.756083][ T1021] [ 157.758492][ T1021] CPU: 0 PID: 1021 Comm: kworker/u4:7 Not tainted 6.7.0-rc2-syzkaller-00195-g0f5cc96c367f #0 [ 157.768906][ T1021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 157.779148][ T1021] Workqueue: writeback wb_workfn (flush-8:0) [ 157.785386][ T1021] ===================================================== [ 157.792424][ T1021] Disabling lock debugging due to kernel taint [ 157.798690][ T1021] Kernel panic - not syncing: kmsan.panic set ... [ 157.805228][ T1021] CPU: 0 PID: 1021 Comm: kworker/u4:7 Tainted: G B 6.7.0-rc2-syzkaller-00195-g0f5cc96c367f #0 [ 157.817145][ T1021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 157.827354][ T1021] Workqueue: writeback wb_workfn (flush-8:0) [ 157.833588][ T1021] Call Trace: [ 157.836966][ T1021] [ 157.840164][ T1021] dump_stack_lvl+0x1bf/0x240 [ 157.845019][ T1021] dump_stack+0x1e/0x20 [ 157.849330][ T1021] panic+0x4de/0xc90 [ 157.853413][ T1021] ? add_taint+0x108/0x1a0 [ 157.858060][ T1021] kmsan_report+0x2d0/0x2d0 [ 157.862764][ T1021] ? __blk_mq_sched_dispatch_requests+0x10af/0x2500 [ 157.869561][ T1021] ? blk_mq_submit_bio+0x2005/0x3580 [ 157.875055][ T1021] ? __submit_bio+0x3ba/0xb30 [ 157.879935][ T1021] ? submit_bio_noacct_nocheck+0xf6b/0x1240 [ 157.886036][ T1021] ? submit_bio_noacct+0x1e01/0x2770 [ 157.891518][ T1021] ? kmsan_internal_check_memory+0x476/0x530 [ 157.897702][ T1021] ? kmsan_handle_dma+0xac/0xc0 [ 157.902757][ T1021] ? virtqueue_add+0x21c6/0x6530 [ 157.907903][ T1021] ? virtqueue_add_sgs+0x186/0x1a0 [ 157.913222][ T1021] ? virtscsi_add_cmd+0x838/0xad0 [ 157.918421][ T1021] ? virtscsi_queuecommand+0x896/0xa60 [ 157.924062][ T1021] ? scsi_queue_rq+0x4874/0x5790 [ 157.929172][ T1021] ? blk_mq_dispatch_rq_list+0x13f8/0x3600 [ 157.935183][ T1021] ? __blk_mq_sched_dispatch_requests+0x10af/0x2500 [ 157.941964][ T1021] ? blk_mq_sched_dispatch_requests+0x160/0x2d0 [ 157.948387][ T1021] ? blk_mq_run_hw_queue+0x6e2/0xbb0 [ 157.953871][ T1021] ? blk_mq_flush_plug_list+0x143f/0x2a80 [ 157.959792][ T1021] ? blk_add_rq_to_plug+0x2c7/0x960 [ 157.965170][ T1021] ? blk_mq_submit_bio+0x2005/0x3580 [ 157.970659][ T1021] ? __submit_bio+0x3ba/0xb30 [ 157.975521][ T1021] ? submit_bio_noacct_nocheck+0xf6b/0x1240 [ 157.981599][ T1021] ? submit_bio_noacct+0x1e01/0x2770 [ 157.987062][ T1021] ? submit_bio+0x171/0x1c0 [ 157.991737][ T1021] ? ext4_bio_write_folio+0x1df7/0x2db0 [ 157.997460][ T1021] ? ext4_do_writepages+0x3b41/0x67e0 [ 158.003080][ T1021] ? ext4_writepages+0x30c/0x810 [ 158.008272][ T1021] ? do_writepages+0x426/0x870 [ 158.013198][ T1021] ? __writeback_single_inode+0x10d/0x12b0 [ 158.019161][ T1021] ? writeback_sb_inodes+0xb73/0x1c00 [ 158.024697][ T1021] ? __writeback_inodes_wb+0x14c/0x440 [ 158.030310][ T1021] ? wb_writeback+0x4da/0xdf0 [ 158.035124][ T1021] ? wb_workfn+0x104e/0x1710 [ 158.039891][ T1021] ? process_scheduled_works+0x104e/0x1e70 [ 158.045854][ T1021] ? worker_thread+0xf45/0x1490 [ 158.050846][ T1021] ? kthread+0x3ed/0x540 [ 158.055255][ T1021] ? ret_from_fork+0x66/0x80 [ 158.060022][ T1021] ? ret_from_fork_asm+0x11/0x20 [ 158.065139][ T1021] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 158.071150][ T1021] ? kmsan_slab_alloc+0xdd/0x150 [ 158.076256][ T1021] ? slab_post_alloc_hook+0x129/0xa70 [ 158.081784][ T1021] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 158.087787][ T1021] kmsan_internal_check_memory+0x476/0x530 [ 158.093794][ T1021] kmsan_handle_dma+0xac/0xc0 [ 158.098643][ T1021] virtqueue_add+0x21c6/0x6530 [ 158.103609][ T1021] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 158.109622][ T1021] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 158.115964][ T1021] ? _raw_spin_lock_irqsave+0x35/0xc0 [ 158.121562][ T1021] virtqueue_add_sgs+0x186/0x1a0 [ 158.126712][ T1021] virtscsi_add_cmd+0x838/0xad0 [ 158.131767][ T1021] virtscsi_queuecommand+0x896/0xa60 [ 158.137228][ T1021] ? virtscsi_kick_event_all+0x3f0/0x3f0 [ 158.143029][ T1021] scsi_queue_rq+0x4874/0x5790 [ 158.147980][ T1021] ? scsi_complete+0x480/0x480 [ 158.152892][ T1021] blk_mq_dispatch_rq_list+0x13f8/0x3600 [ 158.159351][ T1021] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 158.165628][ T1021] __blk_mq_sched_dispatch_requests+0x10af/0x2500 [ 158.172585][ T1021] ? __blk_mq_sched_dispatch_requests+0xe91/0x2500 [ 158.179269][ T1021] blk_mq_sched_dispatch_requests+0x160/0x2d0 [ 158.185507][ T1021] blk_mq_run_hw_queue+0x6e2/0xbb0 [ 158.190806][ T1021] blk_mq_flush_plug_list+0x143f/0x2a80 [ 158.196571][ T1021] blk_add_rq_to_plug+0x2c7/0x960 [ 158.201785][ T1021] blk_mq_submit_bio+0x2005/0x3580 [ 158.207127][ T1021] __submit_bio+0x3ba/0xb30 [ 158.211825][ T1021] submit_bio_noacct_nocheck+0xf6b/0x1240 [ 158.217785][ T1021] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 158.223808][ T1021] submit_bio_noacct+0x1e01/0x2770 [ 158.229146][ T1021] submit_bio+0x171/0x1c0 [ 158.233656][ T1021] ext4_bio_write_folio+0x1df7/0x2db0 [ 158.239234][ T1021] ext4_do_writepages+0x3b41/0x67e0 [ 158.244716][ T1021] ext4_writepages+0x30c/0x810 [ 158.249676][ T1021] ? ext4_read_folio+0x420/0x420 [ 158.254791][ T1021] do_writepages+0x426/0x870 [ 158.259537][ T1021] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 158.265534][ T1021] ? writeback_sb_inodes+0x58/0x1c00 [ 158.270992][ T1021] __writeback_single_inode+0x10d/0x12b0 [ 158.276796][ T1021] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 158.282802][ T1021] writeback_sb_inodes+0xb73/0x1c00 [ 158.288173][ T1021] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 158.294685][ T1021] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 158.300687][ T1021] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 158.306793][ T1021] __writeback_inodes_wb+0x14c/0x440 [ 158.312244][ T1021] wb_writeback+0x4da/0xdf0 [ 158.316906][ T1021] ? kmsan_internal_poison_memory+0xa0/0xa0 [ 158.322991][ T1021] wb_workfn+0x104e/0x1710 [ 158.327617][ T1021] ? inode_wait_for_writeback+0x260/0x260 [ 158.333533][ T1021] process_scheduled_works+0x104e/0x1e70 [ 158.339364][ T1021] worker_thread+0xf45/0x1490 [ 158.344216][ T1021] kthread+0x3ed/0x540 [ 158.348457][ T1021] ? pr_cont_work+0xce0/0xce0 [ 158.353377][ T1021] ? kthread_blkcg+0x120/0x120 [ 158.358319][ T1021] ret_from_fork+0x66/0x80 [ 158.362909][ T1021] ? kthread_blkcg+0x120/0x120 [ 158.367851][ T1021] ret_from_fork_asm+0x11/0x20 [ 158.372806][ T1021] [ 158.376240][ T1021] Kernel Offset: disabled [ 158.380645][ T1021] Rebooting in 86400 seconds..