./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3462047457 <...> Warning: Permanently added '10.128.1.27' (ED25519) to the list of known hosts. execve("./syz-executor3462047457", ["./syz-executor3462047457"], 0x7ffd468bf5b0 /* 10 vars */) = 0 brk(NULL) = 0x555576afa000 brk(0x555576afad00) = 0x555576afad00 arch_prctl(ARCH_SET_FS, 0x555576afa380) = 0 set_tid_address(0x555576afa650) = 5827 set_robust_list(0x555576afa660, 24) = 0 rseq(0x555576afaca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3462047457", 4096) = 28 getrandom("\x97\xd4\xcd\x3f\x81\x44\x44\xb6", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555576afad00 brk(0x555576b1bd00) = 0x555576b1bd00 brk(0x555576b1c000) = 0x555576b1c000 mprotect(0x7f1e0257b000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5828 attached , child_tidptr=0x555576afa650) = 5828 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] set_robust_list(0x555576afa660, 24) = 0 ./strace-static-x86_64: Process 5829 attached [pid 5829] set_robust_list(0x555576afa660, 24 [pid 5827] <... clone resumed>, child_tidptr=0x555576afa650) = 5829 [pid 5828] mkdir("./syzkaller.CIpQPo", 0700 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5830 attached [pid 5829] mkdir("./syzkaller.9bZtyZ", 0700 [pid 5830] set_robust_list(0x555576afa660, 24 [pid 5828] <... mkdir resumed>) = 0 [pid 5827] <... clone resumed>, child_tidptr=0x555576afa650) = 5830 [pid 5830] <... set_robust_list resumed>) = 0 [pid 5828] chmod("./syzkaller.CIpQPo", 0777 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] mkdir("./syzkaller.Q3s9y9", 0700 [pid 5829] <... mkdir resumed>) = 0 [pid 5828] <... chmod resumed>) = 0 [pid 5828] chdir("./syzkaller.CIpQPo"./strace-static-x86_64: Process 5831 attached [pid 5830] <... mkdir resumed>) = 0 [pid 5829] chmod("./syzkaller.9bZtyZ", 0777 [pid 5827] <... clone resumed>, child_tidptr=0x555576afa650) = 5831 [pid 5828] <... chdir resumed>) = 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] unshare(CLONE_NEWPID [pid 5831] set_robust_list(0x555576afa660, 24 [pid 5830] chmod("./syzkaller.Q3s9y9", 0777 [pid 5829] <... chmod resumed>) = 0 [pid 5828] <... unshare resumed>) = 0 [pid 5830] <... chmod resumed>) = 0 ./strace-static-x86_64: Process 5832 attached [pid 5831] <... set_robust_list resumed>) = 0 [pid 5830] chdir("./syzkaller.Q3s9y9" [pid 5829] chdir("./syzkaller.9bZtyZ" [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] <... clone resumed>, child_tidptr=0x555576afa650) = 5832 [pid 5832] set_robust_list(0x555576afa660, 24 [pid 5831] mkdir("./syzkaller.uJCJNz", 0700 [pid 5829] <... chdir resumed>) = 0 [pid 5830] <... chdir resumed>) = 0 [pid 5832] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5833 attached [pid 5832] mkdir("./syzkaller.FT0QVp", 0700 [pid 5830] unshare(CLONE_NEWPID [pid 5829] unshare(CLONE_NEWPID [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... unshare resumed>) = 0 [pid 5833] set_robust_list(0x555576afa660, 24 [pid 5831] chmod("./syzkaller.uJCJNz", 0777 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... unshare resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x555576afa650) = 5833 [pid 5832] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5834 attached [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] set_robust_list(0x555576afa660, 24 [pid 5833] <... set_robust_list resumed>) = 0 [pid 5832] chmod("./syzkaller.FT0QVp", 0777 [pid 5831] <... chmod resumed>) = 0 ./strace-static-x86_64: Process 5835 attached [pid 5834] <... set_robust_list resumed>) = 0 [pid 5833] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... chmod resumed>) = 0 [pid 5831] chdir("./syzkaller.uJCJNz" [pid 5830] <... clone resumed>, child_tidptr=0x555576afa650) = 5834 [pid 5835] set_robust_list(0x555576afa660, 24 [pid 5834] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... prctl resumed>) = 0 [pid 5831] <... chdir resumed>) = 0 [pid 5832] chdir("./syzkaller.FT0QVp" [pid 5833] getppid( [pid 5829] <... clone resumed>, child_tidptr=0x555576afa650) = 5835 [pid 5835] <... set_robust_list resumed>) = 0 [pid 5833] <... getppid resumed>) = 0 [pid 5832] <... chdir resumed>) = 0 [pid 5831] unshare(CLONE_NEWPID [pid 5833] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5832] unshare(CLONE_NEWPID [pid 5831] <... unshare resumed>) = 0 [pid 5833] <... prlimit64 resumed>NULL) = 0 [pid 5834] <... prctl resumed>) = 0 [pid 5833] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5832] <... unshare resumed>) = 0 [pid 5834] getppid() = 0 [pid 5834] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5834] <... prlimit64 resumed>NULL) = 0 [pid 5833] <... prlimit64 resumed>NULL) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... prctl resumed>) = 0 [pid 5834] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5833] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5834] <... prlimit64 resumed>NULL) = 0 [pid 5834] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5834] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5834] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5834] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5834] unshare(CLONE_NEWNS./strace-static-x86_64: Process 5836 attached ) = 0 [pid 5836] set_robust_list(0x555576afa660, 24) = 0 [pid 5836] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... prlimit64 resumed>NULL) = 0 ./strace-static-x86_64: Process 5837 attached [pid 5835] getppid( [pid 5834] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5832] <... clone resumed>, child_tidptr=0x555576afa650) = 5836 [pid 5835] <... getppid resumed>) = 0 [pid 5833] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5837] set_robust_list(0x555576afa660, 24 [pid 5836] <... prctl resumed>) = 0 [pid 5835] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5834] <... mount resumed>) = 0 [pid 5833] <... prlimit64 resumed>NULL) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555576afa650) = 5837 [pid 5837] <... set_robust_list resumed>) = 0 [pid 5836] getppid( [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5833] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5835] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5833] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5833] <... prlimit64 resumed>NULL) = 0 [pid 5835] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5833] unshare(CLONE_NEWNS [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5837] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] <... getppid resumed>) = 0 [pid 5834] unshare(CLONE_NEWIPC [pid 5837] <... prctl resumed>) = 0 [pid 5836] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5835] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5833] <... unshare resumed>) = 0 [pid 5837] getppid( [pid 5836] <... prlimit64 resumed>NULL) = 0 [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5834] <... unshare resumed>) = 0 [pid 5837] <... getppid resumed>) = 0 [pid 5836] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5837] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5835] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5836] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5834] unshare(CLONE_NEWCGROUP [pid 5833] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5837] <... prlimit64 resumed>NULL) = 0 [pid 5836] <... prlimit64 resumed>NULL) = 0 [pid 5835] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5834] <... unshare resumed>) = 0 [pid 5833] <... mount resumed>) = 0 [pid 5837] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5836] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5834] unshare(CLONE_NEWUTS [pid 5837] <... prlimit64 resumed>NULL) = 0 [pid 5836] <... prlimit64 resumed>NULL) = 0 [pid 5835] unshare(CLONE_NEWNS [pid 5833] unshare(CLONE_NEWIPC [pid 5837] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5836] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5835] <... unshare resumed>) = 0 [pid 5834] <... unshare resumed>) = 0 [pid 5837] <... prlimit64 resumed>NULL) = 0 [pid 5836] <... prlimit64 resumed>NULL) = 0 [pid 5834] unshare(CLONE_SYSVSEM [pid 5837] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5836] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5834] <... unshare resumed>) = 0 [pid 5833] <... unshare resumed>) = 0 [pid 5837] <... prlimit64 resumed>NULL) = 0 [pid 5836] <... prlimit64 resumed>NULL) = 0 [pid 5835] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5837] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5836] unshare(CLONE_NEWNS [pid 5835] <... mount resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5837] <... prlimit64 resumed>NULL) = 0 [pid 5835] unshare(CLONE_NEWIPC [pid 5837] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5836] <... unshare resumed>) = 0 [pid 5835] <... unshare resumed>) = 0 [pid 5833] unshare(CLONE_NEWCGROUP [pid 5837] <... prlimit64 resumed>NULL) = 0 [pid 5833] <... unshare resumed>) = 0 [pid 5833] unshare(CLONE_NEWUTS) = 0 [pid 5835] unshare(CLONE_NEWCGROUP [pid 5833] unshare(CLONE_SYSVSEM [pid 5835] <... unshare resumed>) = 0 [pid 5833] <... unshare resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5837] unshare(CLONE_NEWNS [pid 5836] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5835] unshare(CLONE_NEWUTS [pid 5834] <... openat resumed>) = 3 [pid 5837] <... unshare resumed>) = 0 [pid 5835] <... unshare resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5837] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5836] <... mount resumed>) = 0 [pid 5835] unshare(CLONE_SYSVSEM [pid 5834] write(3, "16777216", 8) = 8 [pid 5834] close(3) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5837] <... mount resumed>) = 0 [pid 5836] unshare(CLONE_NEWIPC [pid 5835] <... unshare resumed>) = 0 [pid 5833] write(3, "16777216", 8 [pid 5837] unshare(CLONE_NEWIPC [pid 5834] <... openat resumed>) = 3 [pid 5833] <... write resumed>) = 8 [pid 5834] write(3, "536870912", 9) = 9 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5833] close(3 [pid 5834] close(3) = 0 [pid 5833] <... close resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5837] <... unshare resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5834] <... openat resumed>) = 3 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5837] unshare(CLONE_NEWCGROUP [pid 5836] <... unshare resumed>) = 0 [pid 5834] write(3, "1024", 4 [pid 5837] <... unshare resumed>) = 0 [pid 5836] unshare(CLONE_NEWCGROUP [pid 5835] write(3, "16777216", 8 [pid 5833] <... openat resumed>) = 3 [pid 5837] unshare(CLONE_NEWUTS [pid 5836] <... unshare resumed>) = 0 [pid 5833] write(3, "536870912", 9 [pid 5837] <... unshare resumed>) = 0 [pid 5836] unshare(CLONE_NEWUTS [pid 5835] <... write resumed>) = 8 [pid 5837] unshare(CLONE_SYSVSEM [pid 5836] <... unshare resumed>) = 0 [pid 5833] <... write resumed>) = 9 [pid 5837] <... unshare resumed>) = 0 [pid 5836] unshare(CLONE_SYSVSEM [pid 5835] close(3 [pid 5834] <... write resumed>) = 4 [pid 5833] close(3 [pid 5836] <... unshare resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5834] close(3) = 0 [pid 5833] <... close resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5834] <... openat resumed>) = 3 [pid 5834] write(3, "8192", 4 [pid 5833] <... openat resumed>) = 3 [pid 5837] <... openat resumed>) = 3 [pid 5836] <... openat resumed>) = 3 [pid 5835] <... openat resumed>) = 3 [pid 5834] <... write resumed>) = 4 [pid 5833] write(3, "1024", 4 [pid 5834] close(3) = 0 [pid 5835] write(3, "536870912", 9 [pid 5836] write(3, "16777216", 8 [pid 5833] <... write resumed>) = 4 [pid 5837] write(3, "16777216", 8 [pid 5836] <... write resumed>) = 8 [pid 5835] <... write resumed>) = 9 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5833] close(3 [pid 5837] <... write resumed>) = 8 [pid 5836] close(3 [pid 5835] close(3 [pid 5834] <... openat resumed>) = 3 [pid 5833] <... close resumed>) = 0 [pid 5837] close(3 [pid 5836] <... close resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5835] <... openat resumed>) = 3 [pid 5834] write(3, "1024", 4 [pid 5833] <... openat resumed>) = 3 [pid 5836] <... openat resumed>) = 3 [pid 5834] <... write resumed>) = 4 [pid 5837] <... openat resumed>) = 3 [pid 5834] close(3) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5837] write(3, "536870912", 9 [pid 5836] write(3, "536870912", 9 [pid 5835] write(3, "1024", 4 [pid 5833] write(3, "8192", 4 [pid 5837] <... write resumed>) = 9 [pid 5836] <... write resumed>) = 9 [pid 5835] <... write resumed>) = 4 [pid 5834] <... openat resumed>) = 3 [pid 5833] <... write resumed>) = 4 [pid 5837] close(3 [pid 5836] close(3 [pid 5835] close(3 [pid 5833] close(3 [pid 5837] <... close resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5837] <... openat resumed>) = 3 [pid 5836] <... openat resumed>) = 3 [pid 5835] <... openat resumed>) = 3 [pid 5834] write(3, "1024", 4 [pid 5833] <... openat resumed>) = 3 [pid 5837] write(3, "1024", 4 [pid 5836] write(3, "1024", 4 [pid 5835] write(3, "8192", 4 [pid 5834] <... write resumed>) = 4 [pid 5837] <... write resumed>) = 4 [pid 5836] <... write resumed>) = 4 [pid 5835] <... write resumed>) = 4 [pid 5834] close(3 [pid 5833] write(3, "1024", 4 [pid 5837] close(3 [pid 5836] close(3 [pid 5835] close(3 [pid 5834] <... close resumed>) = 0 [pid 5833] <... write resumed>) = 4 [pid 5837] <... close resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5833] close(3 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5833] <... close resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5836] <... openat resumed>) = 3 [pid 5835] <... openat resumed>) = 3 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5834] <... openat resumed>) = 3 [pid 5833] <... openat resumed>) = 3 [pid 5834] write(3, "1024 1048576 500 1024", 21 [pid 5837] write(3, "8192", 4 [pid 5836] write(3, "8192", 4 [pid 5835] write(3, "1024", 4 [pid 5834] <... write resumed>) = 21 [pid 5833] write(3, "1024", 4 [pid 5837] <... write resumed>) = 4 [pid 5836] <... write resumed>) = 4 [pid 5835] <... write resumed>) = 4 [pid 5834] close(3 [pid 5833] <... write resumed>) = 4 [pid 5837] close(3 [pid 5836] close(3 [pid 5835] close(3 [pid 5833] close(3 [pid 5837] <... close resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5834] getpid( [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5834] <... getpid resumed>) = 1 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5837] <... openat resumed>) = 3 [pid 5836] <... openat resumed>) = 3 [pid 5835] <... openat resumed>) = 3 [pid 5834] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<) = 3 [pid 5834] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5837] write(3, "1024", 4 [pid 5836] write(3, "1024", 4 [pid 5835] write(3, "1024", 4 [pid 5833] write(3, "1024 1048576 500 1024", 21 [pid 5837] <... write resumed>) = 4 [pid 5836] <... write resumed>) = 4 [pid 5835] <... write resumed>) = 4 [pid 5833] <... write resumed>) = 21 [pid 5837] close(3 [pid 5836] close(3 [pid 5835] close(3 [pid 5833] close(3 [pid 5837] <... close resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5833] getpid( [pid 5837] <... openat resumed>) = 3 [pid 5836] <... openat resumed>) = 3 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5833] <... getpid resumed>) = 1 [pid 5833] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5837] write(3, "1024", 4 [pid 5836] write(3, "1024", 4 [pid 5835] <... openat resumed>) = 3 [pid 5837] <... write resumed>) = 4 [pid 5836] <... write resumed>) = 4 [pid 5835] write(3, "1024 1048576 500 1024", 21 [pid 5833] <... capget resumed>{effective=1< [pid 5836] close(3 [pid 5835] <... write resumed>) = 21 [pid 5833] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5837] <... close resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5835] close(3 [pid 5833] <... capset resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5836] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5835] <... close resumed>) = 0 [pid 5833] unshare(CLONE_NEWNET [pid 5837] <... openat resumed>) = 3 [pid 5836] <... openat resumed>) = 3 [pid 5835] getpid( [pid 5837] write(3, "1024 1048576 500 1024", 21 [pid 5836] write(3, "1024 1048576 500 1024", 21 [pid 5835] <... getpid resumed>) = 1 [pid 5837] <... write resumed>) = 21 [pid 5836] <... write resumed>) = 21 [pid 5835] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5837] close(3 [pid 5836] close(3 [pid 5835] <... capget resumed>{effective=1<) = 0 [pid 5836] <... close resumed>) = 0 [pid 5835] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5837] getpid( [pid 5836] getpid( [pid 5835] <... capset resumed>) = 0 [pid 5837] <... getpid resumed>) = 1 [pid 5836] <... getpid resumed>) = 1 [pid 5835] unshare(CLONE_NEWNET [pid 5837] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5836] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5837] <... capget resumed>{effective=1<{effective=1< [pid 5836] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5837] <... capset resumed>) = 0 [pid 5836] <... capset resumed>) = 0 [pid 5837] unshare(CLONE_NEWNET [pid 5836] unshare(CLONE_NEWNET [pid 5834] <... unshare resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 5834] write(3, "0 65535", 7) = 7 [pid 5834] close(3 [pid 5833] <... unshare resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5833] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5834] <... openat resumed>) = 3 [pid 5834] write(3, "100000", 6) = 6 [pid 5833] <... openat resumed>) = 3 [pid 5834] close(3 [pid 5833] write(3, "0 65535", 7 [pid 5834] <... close resumed>) = 0 [pid 5833] <... write resumed>) = 7 [pid 5834] mkdir("./syz-tmp", 0777 [pid 5833] close(3 [pid 5834] <... mkdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5834] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5833] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5834] <... mount resumed>) = 0 [pid 5837] <... unshare resumed>) = 0 [pid 5836] <... unshare resumed>) = 0 [pid 5835] <... unshare resumed>) = 0 [pid 5834] mkdir("./syz-tmp/newroot", 0777 [pid 5833] write(3, "100000", 6 [pid 5837] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5836] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5835] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5834] <... mkdir resumed>) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5834] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5833] <... write resumed>) = 6 [pid 5837] <... openat resumed>) = 3 [pid 5836] write(3, "0 65535", 7 [pid 5834] <... mkdir resumed>) = 0 [pid 5833] close(3 [pid 5837] write(3, "0 65535", 7 [pid 5836] <... write resumed>) = 7 [pid 5835] <... openat resumed>) = 3 [pid 5837] <... write resumed>) = 7 [pid 5835] write(3, "0 65535", 7 [pid 5837] close(3 [pid 5836] close(3 [pid 5835] <... write resumed>) = 7 [pid 5833] <... close resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5835] close(3 [pid 5834] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] mkdir("./syz-tmp", 0777 [pid 5837] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5836] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5835] <... close resumed>) = 0 [pid 5834] <... mount resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5835] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5837] write(3, "100000", 6 [pid 5835] <... openat resumed>) = 3 [pid 5833] <... mkdir resumed>) = 0 [pid 5837] <... write resumed>) = 6 [pid 5837] close(3 [pid 5836] <... openat resumed>) = 3 [pid 5835] write(3, "100000", 6 [pid 5837] <... close resumed>) = 0 [pid 5834] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5837] mkdir("./syz-tmp", 0777 [pid 5835] <... write resumed>) = 6 [pid 5836] write(3, "100000", 6 [pid 5834] <... mkdir resumed>) = 0 [pid 5835] close(3 [pid 5833] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... write resumed>) = 6 [pid 5835] <... close resumed>) = 0 [pid 5836] close(3 [pid 5837] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5836] <... close resumed>) = 0 [pid 5835] mkdir("./syz-tmp", 0777 [pid 5834] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5837] <... mount resumed>) = 0 [pid 5836] mkdir("./syz-tmp", 0777 [pid 5834] <... mount resumed>) = 0 [pid 5833] <... mount resumed>) = 0 [pid 5837] mkdir("./syz-tmp/newroot", 0777 [pid 5835] <... mkdir resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5835] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5837] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5836] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5834] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5833] mkdir("./syz-tmp/newroot", 0777 [pid 5835] <... mount resumed>) = 0 [pid 5835] mkdir("./syz-tmp/newroot", 0777 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... mount resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5833] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5837] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5836] mkdir("./syz-tmp/newroot", 0777 [pid 5835] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5834] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] <... mkdir resumed>) = 0 [pid 5837] <... mount resumed>) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5837] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5836] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5834] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5833] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] <... mkdir resumed>) = 0 [pid 5834] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5836] <... mkdir resumed>) = 0 [pid 5833] <... mount resumed>) = 0 [pid 5837] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5835] <... mount resumed>) = 0 [pid 5836] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5833] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5835] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5837] <... mount resumed>) = 0 [pid 5836] <... mount resumed>) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 5837] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5836] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5835] <... mkdir resumed>) = 0 [pid 5834] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] <... mkdir resumed>) = 0 [pid 5835] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5837] <... mkdir resumed>) = 0 [pid 5837] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5836] <... mkdir resumed>) = 0 [pid 5835] <... mount resumed>) = 0 [pid 5834] <... mount resumed>) = 0 [pid 5833] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5837] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5836] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5833] <... mount resumed>) = 0 [pid 5835] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5834] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 5837] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5835] <... mkdir resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5834] <... mount resumed>) = 0 [pid 5837] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5835] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5836] <... mount resumed>) = 0 [pid 5835] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5837] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5836] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5835] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5833] <... mkdir resumed>) = 0 [pid 5837] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5836] <... mkdir resumed>) = 0 [pid 5835] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5834] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5836] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5834] <... mount resumed>) = 0 [pid 5837] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5837] <... mount resumed>) = 0 [pid 5836] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5835] <... mkdir resumed>) = 0 [pid 5834] mkdir("./syz-tmp/pivot", 0777 [pid 5836] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] mkdir("./syz-tmp/pivot", 0777 [pid 5836] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5834] <... mkdir resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5835] <... mount resumed>) = 0 [pid 5833] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5837] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5836] <... mkdir resumed>) = 0 [pid 5834] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5837] <... pivot_root resumed>) = 0 [pid 5835] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5836] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] <... pivot_root resumed>) = 0 [pid 5837] chdir("/") = 0 [pid 5836] <... mount resumed>) = 0 [pid 5835] <... mount resumed>) = 0 [pid 5834] chdir("/" [pid 5833] <... mkdir resumed>) = 0 [pid 5837] umount2("./pivot", MNT_DETACH [pid 5836] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] <... umount2 resumed>) = 0 [pid 5836] <... mount resumed>) = 0 [pid 5835] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] <... chdir resumed>) = 0 [pid 5836] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] chroot("./newroot" [pid 5835] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5834] umount2("./pivot", MNT_DETACH [pid 5833] <... mount resumed>) = 0 [pid 5836] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5836] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] <... chroot resumed>) = 0 [pid 5836] <... mount resumed>) = 0 [pid 5834] <... umount2 resumed>) = 0 [pid 5837] chdir("/" [pid 5835] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] <... chdir resumed>) = 0 [pid 5833] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5836] mkdir("./syz-tmp/pivot", 0777 [pid 5837] mkdir("/dev/binderfs", 0777 [pid 5835] <... mount resumed>) = 0 [pid 5834] chroot("./newroot" [pid 5833] <... mount resumed>) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5835] mkdir("./syz-tmp/pivot", 0777 [pid 5833] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] <... mkdir resumed>) = 0 [pid 5836] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5835] <... mkdir resumed>) = 0 [pid 5834] <... chroot resumed>) = 0 [pid 5833] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5835] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5834] chdir("/" [pid 5833] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5837] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5836] <... pivot_root resumed>) = 0 [pid 5834] <... chdir resumed>) = 0 [pid 5835] <... pivot_root resumed>) = 0 [pid 5837] <... mount resumed>) = 0 [pid 5836] chdir("/" [pid 5834] mkdir("/dev/binderfs", 0777 [pid 5833] <... mount resumed>) = 0 [pid 5833] mkdir("./syz-tmp/pivot", 0777 [pid 5837] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5836] <... chdir resumed>) = 0 [pid 5835] chdir("/" [pid 5834] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5833] <... mkdir resumed>) = 0 [pid 5837] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5836] umount2("./pivot", MNT_DETACH [pid 5835] <... chdir resumed>) = 0 [pid 5834] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5833] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5837] mkdir("./0", 0777) = 0 [pid 5836] <... umount2 resumed>) = 0 [pid 5835] umount2("./pivot", MNT_DETACH [pid 5834] <... mount resumed>) = 0 [pid 5833] <... pivot_root resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5834] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5837] <... openat resumed>) = 3 [pid 5836] chroot("./newroot" [pid 5833] chdir("/" [pid 5836] <... chroot resumed>) = 0 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5835] <... umount2 resumed>) = 0 [pid 5834] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... chdir resumed>) = 0 [pid 5836] chdir("/" [pid 5833] umount2("./pivot", MNT_DETACH [pid 5836] <... chdir resumed>) = 0 [pid 5836] mkdir("/dev/binderfs", 0777 [pid 5837] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5836] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5835] chroot("./newroot" [pid 5834] mkdir("./0", 0777 [pid 5833] <... umount2 resumed>) = 0 [pid 5836] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5833] chroot("./newroot" [pid 5837] close(3 [pid 5836] <... mount resumed>) = 0 [pid 5835] <... chroot resumed>) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5833] <... chroot resumed>) = 0 [pid 5836] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5833] chdir("/") = 0 [pid 5836] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] mkdir("./0", 0777 [pid 5835] chdir("/" [pid 5834] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] mkdir("/dev/binderfs", 0777) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 5844 attached [pid 5836] <... mkdir resumed>) = 0 [pid 5835] <... chdir resumed>) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5833] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5837] <... clone resumed>, child_tidptr=0x555576afa650) = 2 [pid 5835] mkdir("/dev/binderfs", 0777 [pid 5834] ioctl(3, LOOP_CLR_FD [pid 5844] set_robust_list(0x555576afa660, 24 [pid 5836] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5844] <... set_robust_list resumed>) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5835] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5833] <... mount resumed>) = 0 [pid 5844] chdir("./0" [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5835] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5834] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5844] <... chdir resumed>) = 0 [pid 5836] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5833] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5836] close(3 [pid 5844] setpgid(0, 0 [pid 5835] <... mount resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5834] close(3 [pid 5833] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5844] <... setpgid resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5834] <... close resumed>) = 0 [pid 5833] mkdir("./0", 0777 [pid 5835] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5845 attached [pid 5833] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5846 attached [pid 5845] set_robust_list(0x555576afa660, 24 [pid 5844] <... openat resumed>) = 3 [pid 5836] <... clone resumed>, child_tidptr=0x555576afa650) = 2 [pid 5835] mkdir("./0", 0777 [pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5846] set_robust_list(0x555576afa660, 24 [pid 5845] <... set_robust_list resumed>) = 0 [pid 5844] write(3, "1000", 4 [pid 5834] <... clone resumed>, child_tidptr=0x555576afa650) = 2 [pid 5846] <... set_robust_list resumed>) = 0 [pid 5845] chdir("./0" [pid 5844] <... write resumed>) = 4 [pid 5846] chdir("./0" [pid 5844] close(3 [pid 5835] <... mkdir resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5846] <... chdir resumed>) = 0 [pid 5845] <... chdir resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5846] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] symlink("/dev/binderfs", "./binderfs" [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5846] <... prctl resumed>) = 0 [pid 5845] <... prctl resumed>) = 0 [pid 5844] <... symlink resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5833] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5846] setpgid(0, 0 executing program [pid 5845] setpgid(0, 0 [pid 5844] write(1, "executing program\n", 18 [pid 5833] close(3 [pid 5846] <... setpgid resumed>) = 0 [pid 5845] <... setpgid resumed>) = 0 [pid 5844] <... write resumed>) = 18 [pid 5835] ioctl(3, LOOP_CLR_FD [pid 5833] <... close resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], NULL, 8) = 0 [pid 5846] <... openat resumed>) = 3 [pid 5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] gettid( [pid 5835] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] write(3, "1000", 4 [pid 5845] <... openat resumed>) = 3 [pid 5844] <... gettid resumed>) = 2 [pid 5835] close(3 [pid 5846] <... write resumed>) = 4 [pid 5846] close(3./strace-static-x86_64: Process 5847 attached ) = 0 [pid 5844] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=2}, [pid 5835] <... close resumed>) = 0 [pid 5845] write(3, "1000", 4 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5848 attached [pid 5844] <... timer_create resumed>[0]) = 0 [pid 5847] set_robust_list(0x555576afa660, 24 [pid 5846] symlink("/dev/binderfs", "./binderfs" [pid 5844] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5847] <... set_robust_list resumed>) = 0 [pid 5846] <... symlink resumed>) = 0 [pid 5845] <... write resumed>) = 4 [pid 5848] set_robust_list(0x555576afa660, 24 [pid 5844] <... timer_settime resumed>NULL) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555576afa650) = 2 [pid 5848] <... set_robust_list resumed>) = 0 [pid 5847] chdir("./0" [pid 5846] write(1, "executing program\n", 18 [pid 5845] close(3 [pid 5844] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5845] <... close resumed>) = 0 [pid 5844] <... timer_settime resumed>NULL) = 0 [pid 5848] chdir("./0" [pid 5845] symlink("/dev/binderfs", "./binderfs" [pid 5844] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5835] <... clone resumed>, child_tidptr=0x555576afa650) = 2 [pid 5845] <... symlink resumed>) = 0 [pid 5846] <... write resumed>) = 18 [pid 5844] <... mkdir resumed>) = 0 executing program executing program [pid 5846] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5845] write(1, "executing program\n", 18 [pid 5844] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5848] <... chdir resumed>) = 0 [pid 5847] <... chdir resumed>) = 0 [pid 5846] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5846] gettid( [pid 5847] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] <... gettid resumed>) = 2 [pid 5847] <... prctl resumed>) = 0 [pid 5846] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=2}, [pid 5847] setpgid(0, 0 [pid 5846] <... timer_create resumed>[0]) = 0 [pid 5847] <... setpgid resumed>) = 0 [pid 5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, NULL) = 0 [pid 5846] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, NULL) = 0 [pid 5846] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777) = 0 [pid 5846] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5847] <... openat resumed>) = 3 [pid 5845] <... write resumed>) = 18 [pid 5847] write(3, "1000", 4) = 4 [pid 5847] close(3) = 0 [pid 5847] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5847] write(1, "executing program\n", 18) = 18 [pid 5848] <... prctl resumed>) = 0 [pid 5847] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5845] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5847] gettid() = 2 [pid 5847] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=2}, [0]) = 0 [pid 5847] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, NULL) = 0 [pid 5847] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, NULL) = 0 [pid 5847] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777) = 0 [pid 5847] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5848] setpgid(0, 0 [pid 5845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5848] <... setpgid resumed>) = 0 [pid 5845] gettid( [pid 5848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] <... gettid resumed>) = 2 [pid 5845] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=2}, [0]) = 0 [pid 5848] <... openat resumed>) = 3 [pid 5845] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5844] +++ killed by SIGSEGV (core dumped) +++ [pid 5845] <... timer_settime resumed>NULL) = 0 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=2, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5837] restart_syscall(<... resuming interrupted clone ...> [pid 5845] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5848] write(3, "1000", 4 [pid 5845] <... timer_settime resumed>NULL) = 0 [pid 5848] <... write resumed>) = 4 [pid 5845] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5848] close(3 [pid 5845] <... mkdir resumed>) = 0 [pid 5848] <... close resumed>) = 0 [pid 5845] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5848] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5848] write(1, "executing program\n", 18 [pid 5837] <... restart_syscall resumed>) = 0 [pid 5848] <... write resumed>) = 18 [pid 5847] +++ killed by SIGSEGV (core dumped) +++ [pid 5846] +++ killed by SIGSEGV (core dumped) +++ [pid 5848] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5845] +++ killed by SIGSEGV (core dumped) +++ [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=2, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=2, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=0} --- [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=2, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=0} --- [pid 5848] gettid( [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5848] <... gettid resumed>) = 2 [pid 5837] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5848] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=2}, [pid 5833] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5848] <... timer_create resumed>[0]) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5834] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... openat resumed>) = 3 [pid 5848] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5837] newfstatat(3, "", [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(3, "", [pid 5848] <... timer_settime resumed>NULL) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5834] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5848] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5837] getdents64(3, [pid 5834] <... openat resumed>) = 3 [pid 5833] getdents64(3, [pid 5848] <... timer_settime resumed>NULL) = 0 [pid 5837] <... getdents64 resumed>0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5834] newfstatat(3, "", [pid 5833] <... getdents64 resumed>0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5848] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5837] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5833] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5848] <... mkdir resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5848] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5837] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5834] getdents64(3, [pid 5833] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... getdents64 resumed>0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./0/binderfs" [pid 5834] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] unlink("./0/binderfs" [pid 5837] <... unlink resumed>) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] umount2("\x2e\x2f\x30\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5833] <... unlink resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] unlink("./0/binderfs" [pid 5833] umount2("\x2e\x2f\x30\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] newfstatat(AT_FDCWD, "\x2e\x2f\x30\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", [pid 5834] <... unlink resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] umount2("\x2e\x2f\x30\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "\x2e\x2f\x30\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", [pid 5837] umount2("\x2e\x2f\x30\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] newfstatat(AT_FDCWD, "\x2e\x2f\x30\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] openat(AT_FDCWD, "\x2e\x2f\x30\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] umount2("\x2e\x2f\x30\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("\x2e\x2f\x30\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... openat resumed>) = 4 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "\x2e\x2f\x30\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... openat resumed>) = 4 [pid 5837] newfstatat(4, "", [pid 5834] newfstatat(4, "", [pid 5833] openat(AT_FDCWD, "\x2e\x2f\x30\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(4, [pid 5834] getdents64(4, [pid 5833] <... openat resumed>) = 4 [pid 5834] <... getdents64 resumed>0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5833] newfstatat(4, "", [pid 5837] <... getdents64 resumed>0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, [pid 5837] getdents64(4, [pid 5834] <... getdents64 resumed>0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... getdents64 resumed>0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5834] close(4 [pid 5837] close(4 [pid 5836] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... close resumed>) = 0 [pid 5833] getdents64(4, [pid 5837] <... close resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] rmdir("\x2e\x2f\x30\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38" [pid 5837] rmdir("\x2e\x2f\x30\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38" [pid 5836] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] <... rmdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5837] <... rmdir resumed>) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5834] umount2("./0/core", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] getdents64(4, [pid 5837] umount2("./0/core", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] newfstatat(3, "", [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... getdents64 resumed>0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5834] newfstatat(AT_FDCWD, "./0/core", [pid 5833] close(4 [pid 5837] newfstatat(AT_FDCWD, "./0/core", [pid 5836] getdents64(3, [pid 5834] <... newfstatat resumed>{st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... getdents64 resumed>0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5834] unlink("./0/core" [pid 5833] <... close resumed>) = 0 [pid 5837] unlink("./0/core" [pid 5836] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... unlink resumed>) = 0 [pid 5833] rmdir("\x2e\x2f\x30\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38" [pid 5837] <... unlink resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... rmdir resumed>) = 0 [pid 5837] getdents64(3, [pid 5836] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5834] getdents64(3, [pid 5837] <... getdents64 resumed>0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... getdents64 resumed>0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5833] umount2("./0/core", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5848] +++ killed by SIGSEGV (core dumped) +++ [pid 5837] close(3 [pid 5836] unlink("./0/binderfs" [pid 5834] close(3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=2, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5833] newfstatat(AT_FDCWD, "./0/core", [pid 5837] <... close resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] rmdir("./0" [pid 5834] rmdir("./0" [pid 5833] unlink("./0/core" [pid 5837] <... rmdir resumed>) = 0 [pid 5836] <... unlink resumed>) = 0 [pid 5834] <... rmdir resumed>) = 0 [pid 5837] mkdir("./1", 0777 [pid 5836] umount2("\x2e\x2f\x30\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] mkdir("./1", 0777 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... mkdir resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5836] newfstatat(AT_FDCWD, "\x2e\x2f\x30\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", [pid 5834] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5837] <... openat resumed>) = 3 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5836] umount2("\x2e\x2f\x30\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] ioctl(3, LOOP_CLR_FD [pid 5833] <... unlink resumed>) = 0 [pid 5837] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5837] close(3 [pid 5836] openat(AT_FDCWD, "\x2e\x2f\x30\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] close(3 [pid 5837] <... close resumed>) = 0 [pid 5836] <... openat resumed>) = 4 [pid 5834] <... close resumed>) = 0 [pid 5833] getdents64(3, [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] newfstatat(4, "", [pid 5833] <... getdents64 resumed>0x555576afb6f0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5850 attached ./strace-static-x86_64: Process 5849 attached [pid 5833] close(3 [pid 5850] set_robust_list(0x555576afa660, 24 [pid 5849] set_robust_list(0x555576afa660, 24 [pid 5837] <... clone resumed>, child_tidptr=0x555576afa650) = 3 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] <... clone resumed>, child_tidptr=0x555576afa650) = 3 [pid 5833] <... close resumed>) = 0 [pid 5850] <... set_robust_list resumed>) = 0 [pid 5849] <... set_robust_list resumed>) = 0 [pid 5833] rmdir("./0" [pid 5850] chdir("./1" [pid 5849] chdir("./1" [pid 5836] getdents64(4, [pid 5833] <... rmdir resumed>) = 0 [pid 5850] <... chdir resumed>) = 0 [pid 5849] <... chdir resumed>) = 0 [pid 5836] <... getdents64 resumed>0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5835] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] mkdir("./1", 0777 [pid 5850] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5849] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] getdents64(4, [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... getdents64 resumed>0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5850] <... prctl resumed>) = 0 [pid 5849] <... prctl resumed>) = 0 [pid 5836] close(4 [pid 5835] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... mkdir resumed>) = 0 [pid 5850] setpgid(0, 0 [pid 5849] setpgid(0, 0 [pid 5836] <... close resumed>) = 0 [pid 5850] <... setpgid resumed>) = 0 [pid 5849] <... setpgid resumed>) = 0 [pid 5836] rmdir("\x2e\x2f\x30\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38" [pid 5835] <... openat resumed>) = 3 [pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] <... rmdir resumed>) = 0 [pid 5836] umount2("./0/core", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(3, "", [pid 5836] newfstatat(AT_FDCWD, "./0/core", [pid 5833] <... openat resumed>) = 3 [pid 5850] <... openat resumed>) = 3 [pid 5849] <... openat resumed>) = 3 [pid 5836] <... newfstatat resumed>{st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5850] write(3, "1000", 4 [pid 5836] unlink("./0/core" [pid 5850] <... write resumed>) = 4 [pid 5849] write(3, "1000", 4 [pid 5835] getdents64(3, [pid 5833] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5850] close(3 [pid 5849] <... write resumed>) = 4 [pid 5835] <... getdents64 resumed>0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5833] close(3 [pid 5850] <... close resumed>) = 0 [pid 5849] close(3 [pid 5835] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... close resumed>) = 0 [pid 5850] symlink("/dev/binderfs", "./binderfs" [pid 5849] <... close resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5850] <... symlink resumed>) = 0 executing program [pid 5849] symlink("/dev/binderfs", "./binderfs" [pid 5835] newfstatat(AT_FDCWD, "./0/binderfs", ./strace-static-x86_64: Process 5851 attached [pid 5850] write(1, "executing program\n", 18 [pid 5849] <... symlink resumed>) = 0 [pid 5836] <... unlink resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555576afa650) = 3 [pid 5851] set_robust_list(0x555576afa660, 24 [pid 5850] <... write resumed>) = 18 [pid 5836] getdents64(3, [pid 5835] unlink("./0/binderfs"executing program [pid 5851] <... set_robust_list resumed>) = 0 [pid 5850] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5849] write(1, "executing program\n", 18 [pid 5836] <... getdents64 resumed>0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5851] chdir("./1" [pid 5850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] close(3 [pid 5835] umount2("\x2e\x2f\x30\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5851] <... chdir resumed>) = 0 [pid 5850] gettid( [pid 5849] <... write resumed>) = 18 [pid 5836] <... close resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5851] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5850] <... gettid resumed>) = 3 [pid 5849] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5836] rmdir("./0" [pid 5835] newfstatat(AT_FDCWD, "\x2e\x2f\x30\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", [pid 5851] <... prctl resumed>) = 0 [pid 5850] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=3}, [pid 5849] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5850] <... timer_create resumed>[0]) = 0 [pid 5849] gettid( [pid 5836] mkdir("./1", 0777 [pid 5835] umount2("\x2e\x2f\x30\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5850] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5849] <... gettid resumed>) = 3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5850] <... timer_settime resumed>NULL) = 0 [pid 5835] openat(AT_FDCWD, "\x2e\x2f\x30\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5850] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5849] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=3}, [pid 5835] <... openat resumed>) = 4 [pid 5850] <... timer_settime resumed>NULL) = 0 [pid 5849] <... timer_create resumed>[0]) = 0 [pid 5835] newfstatat(4, "", [pid 5850] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5849] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5850] <... mkdir resumed>) = 0 [pid 5849] <... timer_settime resumed>NULL) = 0 [pid 5835] getdents64(4, [pid 5850] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5849] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5835] <... getdents64 resumed>0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5835] getdents64(4, [pid 5849] <... timer_settime resumed>NULL) = 0 [pid 5835] <... getdents64 resumed>0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5849] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5835] close(4 [pid 5849] <... mkdir resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5835] rmdir("\x2e\x2f\x30\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38") = 0 [pid 5835] umount2("./0/core", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5849] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5835] newfstatat(AT_FDCWD, "./0/core", {st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5851] setpgid(0, 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5835] unlink("./0/core" [pid 5851] <... setpgid resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] <... openat resumed>) = 3 [pid 5851] <... openat resumed>) = 3 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5851] write(3, "1000", 4 [pid 5836] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5851] <... write resumed>) = 4 [pid 5836] close(3 [pid 5851] close(3 [pid 5836] <... close resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5851] <... close resumed>) = 0 [pid 5835] getdents64(3, [pid 5851] symlink("/dev/binderfs", "./binderfs" [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... getdents64 resumed>0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./0") = 0 [pid 5835] mkdir("./1", 0777) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 5852 attached [pid 5851] <... symlink resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5851] write(1, "executing program\n", 18executing program [pid 5836] <... clone resumed>, child_tidptr=0x555576afa650) = 3 [pid 5835] ioctl(3, LOOP_CLR_FD [pid 5852] set_robust_list(0x555576afa660, 24 [pid 5851] <... write resumed>) = 18 [pid 5835] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5852] <... set_robust_list resumed>) = 0 [pid 5851] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5835] close(3 [pid 5852] chdir("./1" [pid 5851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5851] gettid( [pid 5835] <... close resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5853 attached [pid 5852] <... chdir resumed>) = 0 [pid 5852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5852] setpgid(0, 0) = 0 [pid 5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] <... clone resumed>, child_tidptr=0x555576afa650) = 3 [pid 5853] set_robust_list(0x555576afa660, 24 [pid 5852] <... openat resumed>) = 3 [pid 5853] <... set_robust_list resumed>) = 0 [pid 5851] <... gettid resumed>) = 3 [pid 5853] chdir("./1" [pid 5852] write(3, "1000", 4) = 4 [pid 5852] close(3) = 0 [pid 5853] <... chdir resumed>) = 0 [pid 5852] symlink("/dev/binderfs", "./binderfs" [pid 5853] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5852] <... symlink resumed>) = 0 [pid 5853] <... prctl resumed>) = 0 [pid 5853] setpgid(0, 0 [pid 5852] write(1, "executing program\n", 18 [pid 5851] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=3}, [0]) = 0 executing program [pid 5851] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5853] <... setpgid resumed>) = 0 [pid 5852] <... write resumed>) = 18 [pid 5849] +++ killed by SIGSEGV (core dumped) +++ [pid 5851] <... timer_settime resumed>NULL) = 0 [pid 5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5852] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5853] <... openat resumed>) = 3 [pid 5852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5851] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=3, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=0} --- [pid 5851] <... timer_settime resumed>NULL) = 0 [pid 5837] restart_syscall(<... resuming interrupted clone ...> [pid 5851] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5853] write(3, "1000", 4 [pid 5852] gettid( [pid 5851] <... mkdir resumed>) = 0 [pid 5850] +++ killed by SIGSEGV (core dumped) +++ [pid 5853] <... write resumed>) = 4 [pid 5852] <... gettid resumed>) = 3 [pid 5851] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5853] close(3 [pid 5852] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=3}, [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=3, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5853] <... close resumed>) = 0 [pid 5852] <... timer_create resumed>[0]) = 0 [pid 5834] restart_syscall(<... resuming interrupted clone ...> [pid 5853] symlink("/dev/binderfs", "./binderfs" [pid 5852] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5853] <... symlink resumed>) = 0 [pid 5852] <... timer_settime resumed>NULL) = 0 [pid 5852] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5853] write(1, "executing program\n", 18 [pid 5852] <... timer_settime resumed>NULL) = 0 executing program [pid 5853] <... write resumed>) = 18 [pid 5852] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5853] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5852] <... mkdir resumed>) = 0 [pid 5853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5853] gettid( [pid 5852] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5853] <... gettid resumed>) = 3 [pid 5853] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=3}, [0]) = 0 [pid 5837] <... restart_syscall resumed>) = 0 [pid 5834] <... restart_syscall resumed>) = 0 [pid 5853] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, NULL) = 0 [pid 5837] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5853] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5834] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5853] <... timer_settime resumed>NULL) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5853] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5837] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5853] <... mkdir resumed>) = 0 [pid 5853] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5837] <... openat resumed>) = 3 [pid 5834] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] newfstatat(3, "", [pid 5834] <... openat resumed>) = 3 [pid 5834] newfstatat(3, "", [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, [pid 5834] getdents64(3, [pid 5837] <... getdents64 resumed>0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5834] <... getdents64 resumed>0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5837] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5834] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] unlink("./1/binderfs" [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./1/binderfs" [pid 5837] <... unlink resumed>) = 0 [pid 5834] <... unlink resumed>) = 0 [pid 5837] umount2("\x2e\x2f\x31\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("\x2e\x2f\x31\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5851] +++ killed by SIGSEGV (core dumped) +++ [pid 5837] newfstatat(AT_FDCWD, "\x2e\x2f\x31\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", [pid 5834] newfstatat(AT_FDCWD, "\x2e\x2f\x31\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] umount2("\x2e\x2f\x31\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("\x2e\x2f\x31\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "\x2e\x2f\x31\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] openat(AT_FDCWD, "\x2e\x2f\x31\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... openat resumed>) = 4 [pid 5834] <... openat resumed>) = 4 [pid 5837] newfstatat(4, "", [pid 5834] newfstatat(4, "", [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=3, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5837] getdents64(4, [pid 5834] getdents64(4, [pid 5837] <... getdents64 resumed>0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5834] <... getdents64 resumed>0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5837] getdents64(4, [pid 5834] getdents64(4, [pid 5837] <... getdents64 resumed>0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5834] <... getdents64 resumed>0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5837] close(4 [pid 5834] close(4 [pid 5837] <... close resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5837] rmdir("\x2e\x2f\x31\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38" [pid 5834] rmdir("\x2e\x2f\x31\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38" [pid 5833] <... restart_syscall resumed>) = 0 [pid 5834] <... rmdir resumed>) = 0 [pid 5833] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5833] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] <... rmdir resumed>) = 0 [pid 5834] umount2("./1/core", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./1/binderfs") = 0 [pid 5833] umount2("\x2e\x2f\x31\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "\x2e\x2f\x31\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("\x2e\x2f\x31\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "\x2e\x2f\x31\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] umount2("./1/core", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... openat resumed>) = 4 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./1/core", [pid 5833] newfstatat(4, "", [pid 5837] newfstatat(AT_FDCWD, "./1/core", [pid 5834] <... newfstatat resumed>{st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./1/core" [pid 5833] getdents64(4, 0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("\x2e\x2f\x31\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38") = 0 [pid 5833] umount2("./1/core", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./1/core", {st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./1/core" [pid 5834] <... unlink resumed>) = 0 [pid 5853] +++ killed by SIGSEGV (core dumped) +++ [pid 5837] unlink("./1/core" [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=3, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5835] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] <... unlink resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5833] <... unlink resumed>) = 0 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5852] +++ killed by SIGSEGV (core dumped) +++ [pid 5835] getdents64(3, [pid 5834] getdents64(3, [pid 5837] getdents64(3, [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=3, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5834] <... getdents64 resumed>0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5833] getdents64(3, [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 5837] <... getdents64 resumed>0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5833] <... getdents64 resumed>0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5834] close(3 [pid 5837] close(3 [pid 5833] close(3 [pid 5834] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5833] rmdir("./1" [pid 5835] <... getdents64 resumed>0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5835] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... rmdir resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] mkdir("./2", 0777 [pid 5835] unlink("./1/binderfs") = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5835] umount2("\x2e\x2f\x31\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] rmdir("./1" [pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5835] newfstatat(AT_FDCWD, "\x2e\x2f\x31\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] rmdir("./1" [pid 5833] <... openat resumed>) = 3 [pid 5835] umount2("\x2e\x2f\x31\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... rmdir resumed>) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5837] <... rmdir resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] mkdir("./2", 0777 [pid 5837] mkdir("./2", 0777 [pid 5835] openat(AT_FDCWD, "\x2e\x2f\x31\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5837] <... mkdir resumed>) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 5833] close(3 [pid 5837] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5835] <... openat resumed>) = 4 [pid 5833] <... close resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5835] newfstatat(4, "", [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, 0x555576b03730 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 5854 attached [pid 5837] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5835] getdents64(4, [pid 5837] close(3 [pid 5835] <... getdents64 resumed>0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555576afa650) = 4 [pid 5854] set_robust_list(0x555576afa660, 24 [pid 5837] <... close resumed>) = 0 [pid 5835] close(4 [pid 5854] <... set_robust_list resumed>) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... close resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5835] rmdir("\x2e\x2f\x31\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38") = 0 ./strace-static-x86_64: Process 5855 attached [pid 5837] <... clone resumed>, child_tidptr=0x555576afa650) = 4 [pid 5835] umount2("./1/core", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... openat resumed>) = 3 [pid 5855] set_robust_list(0x555576afa660, 24 [pid 5854] chdir("./2" [pid 5836] <... restart_syscall resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] ioctl(3, LOOP_CLR_FD [pid 5855] <... set_robust_list resumed>) = 0 [pid 5854] <... chdir resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./1/core", [pid 5855] chdir("./2" [pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] <... newfstatat resumed>{st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5836] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5855] <... chdir resumed>) = 0 [pid 5835] unlink("./1/core" [pid 5855] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5854] <... prctl resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... unlink resumed>) = 0 [pid 5834] close(3 [pid 5855] <... prctl resumed>) = 0 [pid 5854] setpgid(0, 0 [pid 5836] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] <... close resumed>) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] newfstatat(3, "", [pid 5855] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5856 attached [pid 5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5855] <... openat resumed>) = 3 [pid 5836] getdents64(3, [pid 5834] <... clone resumed>, child_tidptr=0x555576afa650) = 4 [pid 5836] <... getdents64 resumed>0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5856] set_robust_list(0x555576afa660, 24 [pid 5855] write(3, "1000", 4 [pid 5854] <... setpgid resumed>) = 0 [pid 5836] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5856] <... set_robust_list resumed>) = 0 [pid 5855] <... write resumed>) = 4 [pid 5855] close(3 [pid 5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] chdir("./2" [pid 5855] <... close resumed>) = 0 [pid 5836] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5855] symlink("/dev/binderfs", "./binderfs"executing program [pid 5856] <... chdir resumed>) = 0 [pid 5855] <... symlink resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] getdents64(3, [pid 5855] write(1, "executing program\n", 18 [pid 5836] unlink("./1/binderfs" [pid 5855] <... write resumed>) = 18 [pid 5836] <... unlink resumed>) = 0 [pid 5835] <... getdents64 resumed>0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5854] <... openat resumed>) = 3 [pid 5836] umount2("\x2e\x2f\x31\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] close(3 [pid 5856] <... prctl resumed>) = 0 [pid 5855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... close resumed>) = 0 [pid 5856] setpgid(0, 0 [pid 5855] gettid( [pid 5854] write(3, "1000", 4 [pid 5836] newfstatat(AT_FDCWD, "\x2e\x2f\x31\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", [pid 5835] rmdir("./1" [pid 5856] <... setpgid resumed>) = 0 [pid 5855] <... gettid resumed>) = 4 [pid 5854] <... write resumed>) = 4 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5855] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=4}, [pid 5854] close(3 [pid 5836] umount2("\x2e\x2f\x31\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... rmdir resumed>) = 0 [pid 5855] <... timer_create resumed>[0]) = 0 [pid 5835] mkdir("./2", 0777 [pid 5855] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5835] <... mkdir resumed>) = 0 [pid 5855] <... timer_settime resumed>NULL) = 0 [pid 5855] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, NULL) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5855] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5855] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5856] <... openat resumed>) = 3 [pid 5854] <... close resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] ioctl(3, LOOP_CLR_FD [pid 5854] symlink("/dev/binderfs", "./binderfs" [pid 5836] openat(AT_FDCWD, "\x2e\x2f\x31\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5856] write(3, "1000", 4) = 4 [pid 5854] <... symlink resumed>) = 0 [pid 5836] <... openat resumed>) = 4 executing program [pid 5856] close(3 [pid 5854] write(1, "executing program\n", 18 [pid 5836] newfstatat(4, "", [pid 5835] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5856] <... close resumed>) = 0 [pid 5854] <... write resumed>) = 18 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5856] symlink("/dev/binderfs", "./binderfs" [pid 5854] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5835] close(3 [pid 5856] <... symlink resumed>) = 0 [pid 5854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5835] <... close resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555576afa650) = 4 ./strace-static-x86_64: Process 5858 attached [pid 5858] set_robust_list(0x555576afa660, 24) = 0 [pid 5858] chdir("./2") = 0 [pid 5858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5858] setpgid(0, 0) = 0 [pid 5858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5858] write(3, "1000", 4) = 4 [pid 5856] write(1, "executing program\n", 18 [pid 5854] gettid( [pid 5836] getdents64(4, [pid 5858] close(3) = 0 [pid 5858] symlink("/dev/binderfs", "./binderfs") = 0 executing program executing program [pid 5858] write(1, "executing program\n", 18) = 18 [pid 5856] <... write resumed>) = 18 [pid 5854] <... gettid resumed>) = 4 [pid 5836] <... getdents64 resumed>0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5858] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5856] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5854] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=4}, [pid 5836] getdents64(4, [pid 5858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] +++ killed by SIGSEGV (core dumped) +++ [pid 5854] <... timer_create resumed>[0]) = 0 [pid 5836] <... getdents64 resumed>0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5858] gettid( [pid 5856] gettid( [pid 5854] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=4, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5836] close(4 [pid 5858] <... gettid resumed>) = 4 [pid 5856] <... gettid resumed>) = 4 [pid 5854] <... timer_settime resumed>NULL) = 0 [pid 5836] <... close resumed>) = 0 [pid 5858] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=4}, [pid 5854] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5858] <... timer_create resumed>[0]) = 0 [pid 5856] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=4}, [pid 5836] rmdir("\x2e\x2f\x31\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38" [pid 5854] <... timer_settime resumed>NULL) = 0 [pid 5858] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5856] <... timer_create resumed>[0]) = 0 [pid 5858] <... timer_settime resumed>NULL) = 0 [pid 5854] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5836] <... rmdir resumed>) = 0 [pid 5858] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, NULL) = 0 [pid 5858] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5854] <... mkdir resumed>) = 0 [pid 5836] umount2("./1/core", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] <... mkdir resumed>) = 0 [pid 5856] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5854] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5856] <... timer_settime resumed>NULL) = 0 [pid 5836] newfstatat(AT_FDCWD, "./1/core", [pid 5856] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, NULL) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5856] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5836] unlink("./1/core" [pid 5856] <... mkdir resumed>) = 0 [pid 5836] <... unlink resumed>) = 0 [pid 5856] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5836] getdents64(3, 0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5836] close(3) = 0 [pid 5836] rmdir("./1" [pid 5837] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] <... rmdir resumed>) = 0 [pid 5836] mkdir("./2", 0777 [pid 5837] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... mkdir resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5836] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5837] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5837] getdents64(3, [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5837] <... getdents64 resumed>0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5836] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5837] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] close(3 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... close resumed>) = 0 [pid 5858] +++ killed by SIGSEGV (core dumped) +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=4, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 5837] unlink("./2/binderfs" [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5859 attached [pid 5837] <... unlink resumed>) = 0 [pid 5835] <... restart_syscall resumed>) = 0 [pid 5837] umount2("\x2e\x2f\x32\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... clone resumed>, child_tidptr=0x555576afa650) = 4 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "\x2e\x2f\x32\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", [pid 5835] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] umount2("\x2e\x2f\x32\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] set_robust_list(0x555576afa660, 24 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... openat resumed>) = 3 [pid 5859] <... set_robust_list resumed>) = 0 [pid 5837] openat(AT_FDCWD, "\x2e\x2f\x32\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] newfstatat(3, "", [pid 5859] chdir("./2" [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5859] <... chdir resumed>) = 0 [pid 5835] getdents64(3, [pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] <... getdents64 resumed>0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5859] <... prctl resumed>) = 0 [pid 5837] <... openat resumed>) = 4 [pid 5835] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] setpgid(0, 0 [pid 5837] newfstatat(4, "", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(4, [pid 5859] <... setpgid resumed>) = 0 [pid 5837] <... getdents64 resumed>0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5835] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5837] getdents64(4, [pid 5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5837] <... getdents64 resumed>0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] <... openat resumed>) = 3 [pid 5835] unlink("./2/binderfs") = 0 [pid 5835] umount2("\x2e\x2f\x32\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5859] write(3, "1000", 4 [pid 5835] newfstatat(AT_FDCWD, "\x2e\x2f\x32\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", [pid 5859] <... write resumed>) = 4 [pid 5859] close(3 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] <... close resumed>) = 0 [pid 5835] umount2("\x2e\x2f\x32\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] symlink("/dev/binderfs", "./binderfs" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] <... symlink resumed>) = 0 [pid 5854] +++ killed by SIGSEGV (core dumped) +++ [pid 5837] close(4 [pid 5835] openat(AT_FDCWD, "\x2e\x2f\x32\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] write(1, "executing program\n", 18 [pid 5837] <... close resumed>) = 0 [pid 5835] <... openat resumed>) = 4 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=4, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=0} --- [pid 5837] rmdir("\x2e\x2f\x32\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38" [pid 5833] restart_syscall(<... resuming interrupted clone ...>executing program [pid 5859] <... write resumed>) = 18 [pid 5837] <... rmdir resumed>) = 0 [pid 5835] newfstatat(4, "", [pid 5859] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5835] getdents64(4, [pid 5859] gettid( [pid 5835] <... getdents64 resumed>0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5859] <... gettid resumed>) = 4 [pid 5835] getdents64(4, [pid 5859] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=4}, [pid 5835] <... getdents64 resumed>0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5859] <... timer_create resumed>[0]) = 0 [pid 5835] close(4 [pid 5859] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, NULL) = 0 [pid 5835] <... close resumed>) = 0 [pid 5859] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5835] rmdir("\x2e\x2f\x32\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38" [pid 5859] <... timer_settime resumed>NULL) = 0 [pid 5837] umount2("./2/core", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5859] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5835] <... rmdir resumed>) = 0 [pid 5859] <... mkdir resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./2/core", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... restart_syscall resumed>) = 0 [pid 5837] newfstatat(AT_FDCWD, "./2/core", {st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5859] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5856] +++ killed by SIGSEGV (core dumped) +++ [pid 5837] unlink("./2/core" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... unlink resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5833] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./2/binderfs") = 0 [pid 5833] umount2("\x2e\x2f\x32\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "\x2e\x2f\x32\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("\x2e\x2f\x32\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "\x2e\x2f\x32\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] newfstatat(AT_FDCWD, "./2/core", [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=4, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5833] <... openat resumed>) = 4 [pid 5835] <... newfstatat resumed>{st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] restart_syscall(<... resuming interrupted clone ...> [pid 5833] newfstatat(4, "", [pid 5835] unlink("./2/core" [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("\x2e\x2f\x32\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38" [pid 5837] getdents64(3, [pid 5833] <... rmdir resumed>) = 0 [pid 5837] <... getdents64 resumed>0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5833] umount2("./2/core", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] close(3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... close resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./2/core", [pid 5837] rmdir("./2" [pid 5833] <... newfstatat resumed>{st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 5833] unlink("./2/core") = 0 [pid 5837] mkdir("./3", 0777) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5837] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5837] close(3) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5860 attached [pid 5834] <... restart_syscall resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5834] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5834] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5860] set_robust_list(0x555576afa660, 24 [pid 5834] getdents64(3, [pid 5833] getdents64(3, [pid 5860] <... set_robust_list resumed>) = 0 [pid 5835] getdents64(3, [pid 5834] <... getdents64 resumed>0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5835] <... getdents64 resumed>0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5860] chdir("./3" [pid 5835] close(3 [pid 5834] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... clone resumed>, child_tidptr=0x555576afa650) = 5 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... getdents64 resumed>0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5834] unlink("./2/binderfs" [pid 5833] close(3 [pid 5860] <... chdir resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5834] <... unlink resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5860] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] rmdir("./2" [pid 5834] umount2("\x2e\x2f\x32\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] rmdir("./2" [pid 5860] <... prctl resumed>) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... rmdir resumed>) = 0 [pid 5860] setpgid(0, 0 [pid 5835] mkdir("./3", 0777 [pid 5834] newfstatat(AT_FDCWD, "\x2e\x2f\x32\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", [pid 5833] mkdir("./3", 0777 [pid 5860] <... setpgid resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] umount2("\x2e\x2f\x32\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "\x2e\x2f\x32\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] <... mkdir resumed>) = 0 [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5860] <... openat resumed>) = 3 [pid 5860] write(3, "1000", 4 [pid 5835] <... openat resumed>) = 3 [pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5860] <... write resumed>) = 4 [pid 5835] ioctl(3, LOOP_CLR_FD [pid 5834] getdents64(4, [pid 5835] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5860] close(3 [pid 5835] close(3 [pid 5860] <... close resumed>) = 0 [pid 5860] symlink("/dev/binderfs", "./binderfs" [pid 5835] <... close resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5834] <... getdents64 resumed>0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, 0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5860] <... symlink resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] close(4 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5834] <... close resumed>) = 0 [pid 5833] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5834] rmdir("\x2e\x2f\x32\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38"./strace-static-x86_64: Process 5861 attached [pid 5835] <... clone resumed>, child_tidptr=0x555576afa650) = 5 [pid 5834] <... rmdir resumed>) = 0 [pid 5833] close(3 [pid 5861] set_robust_list(0x555576afa660, 24) = 0 [pid 5860] write(1, "executing program\n", 18 [pid 5834] umount2("./2/core", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... close resumed>) = 0 [pid 5861] chdir("./3") = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5861] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5834] newfstatat(AT_FDCWD, "./2/core", executing program ./strace-static-x86_64: Process 5862 attached [pid 5861] <... prctl resumed>) = 0 [pid 5860] <... write resumed>) = 18 [pid 5834] <... newfstatat resumed>{st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5861] setpgid(0, 0 [pid 5834] unlink("./2/core" [pid 5833] <... clone resumed>, child_tidptr=0x555576afa650) = 5 [pid 5860] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5862] set_robust_list(0x555576afa660, 24 [pid 5861] <... setpgid resumed>) = 0 [pid 5859] +++ killed by SIGSEGV (core dumped) +++ [pid 5834] <... unlink resumed>) = 0 [pid 5862] <... set_robust_list resumed>) = 0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=4, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=0} --- [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 5861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5834] getdents64(3, [pid 5862] chdir("./3" [pid 5861] <... openat resumed>) = 3 [pid 5860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] <... restart_syscall resumed>) = 0 [pid 5862] <... chdir resumed>) = 0 [pid 5860] gettid( [pid 5861] write(3, "1000", 4 [pid 5862] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5860] <... gettid resumed>) = 5 [pid 5862] <... prctl resumed>) = 0 [pid 5861] <... write resumed>) = 4 [pid 5836] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5862] setpgid(0, 0 [pid 5861] close(3 [pid 5860] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=5}, [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5862] <... setpgid resumed>) = 0 [pid 5861] <... close resumed>) = 0 [pid 5836] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] <... getdents64 resumed>0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5861] symlink("/dev/binderfs", "./binderfs" [pid 5836] <... openat resumed>) = 3 [pid 5834] close(3 [pid 5861] <... symlink resumed>) = 0 [pid 5836] newfstatat(3, "", [pid 5834] <... close resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5834] rmdir("./2" [pid 5836] getdents64(3, [pid 5834] <... rmdir resumed>) = 0 [pid 5836] <... getdents64 resumed>0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5836] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] mkdir("./3", 0777executing program [pid 5861] write(1, "executing program\n", 18 [pid 5860] <... timer_create resumed>[0]) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... mkdir resumed>) = 0 [pid 5862] <... openat resumed>) = 3 [pid 5860] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5861] <... write resumed>) = 18 [pid 5836] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5862] write(3, "1000", 4 [pid 5861] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5860] <... timer_settime resumed>NULL) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5862] <... write resumed>) = 4 [pid 5861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5860] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5836] unlink("./2/binderfs" [pid 5834] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5862] close(3 [pid 5861] gettid( [pid 5860] <... timer_settime resumed>NULL) = 0 [pid 5836] <... unlink resumed>) = 0 [pid 5860] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5836] umount2("\x2e\x2f\x32\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "\x2e\x2f\x32\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", [pid 5860] <... mkdir resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5860] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5836] umount2("\x2e\x2f\x32\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "\x2e\x2f\x32\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5836] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5836] getdents64(4, 0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5836] getdents64(4, 0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5836] close(4) = 0 [pid 5836] rmdir("\x2e\x2f\x32\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38") = 0 [pid 5836] umount2("./2/core", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "./2/core", {st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] unlink("./2/core" [pid 5861] <... gettid resumed>) = 5 [pid 5836] <... unlink resumed>) = 0 [pid 5862] <... close resumed>) = 0 [pid 5861] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=5}, [pid 5834] <... openat resumed>) = 3 [pid 5836] getdents64(3, [pid 5834] ioctl(3, LOOP_CLR_FD [pid 5862] symlink("/dev/binderfs", "./binderfs" [pid 5861] <... timer_create resumed>[0]) = 0 [pid 5836] <... getdents64 resumed>0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5860] +++ killed by SIGSEGV (core dumped) +++ [pid 5836] close(3 [pid 5862] <... symlink resumed>) = 0 [pid 5834] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5861] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, executing program [pid 5862] write(1, "executing program\n", 18 [pid 5836] <... close resumed>) = 0 [pid 5862] <... write resumed>) = 18 [pid 5861] <... timer_settime resumed>NULL) = 0 [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=5, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5836] rmdir("./2" [pid 5834] close(3 [pid 5862] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5861] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5837] restart_syscall(<... resuming interrupted clone ...> [pid 5836] <... rmdir resumed>) = 0 [pid 5862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5861] <... timer_settime resumed>NULL) = 0 [pid 5862] gettid( [pid 5861] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5836] mkdir("./3", 0777 [pid 5834] <... close resumed>) = 0 [pid 5862] <... gettid resumed>) = 5 [pid 5861] <... mkdir resumed>) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5862] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=5}, [pid 5861] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- ./strace-static-x86_64: Process 5863 attached [pid 5862] <... timer_create resumed>[0]) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5862] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, NULL) = 0 [pid 5862] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, NULL) = 0 [pid 5862] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5863] set_robust_list(0x555576afa660, 24 [pid 5862] <... mkdir resumed>) = 0 [pid 5837] <... restart_syscall resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5834] <... clone resumed>, child_tidptr=0x555576afa650) = 5 [pid 5863] <... set_robust_list resumed>) = 0 [pid 5862] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5836] <... openat resumed>) = 3 [pid 5863] chdir("./3" [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5863] <... chdir resumed>) = 0 [pid 5837] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5837] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] close(3) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5864 attached [pid 5837] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555576afa650) = 5 [pid 5837] getdents64(3, 0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5864] set_robust_list(0x555576afa660, 24 [pid 5837] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] <... set_robust_list resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] chdir("./3" [pid 5837] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5864] <... chdir resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] unlink("./3/binderfs" [pid 5864] <... prctl resumed>) = 0 [pid 5837] <... unlink resumed>) = 0 [pid 5864] setpgid(0, 0 [pid 5837] umount2("\x2e\x2f\x33\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "\x2e\x2f\x33\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", [pid 5864] <... setpgid resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] setpgid(0, 0 [pid 5837] umount2("\x2e\x2f\x33\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] <... openat resumed>) = 3 [pid 5863] <... setpgid resumed>) = 0 [pid 5837] openat(AT_FDCWD, "\x2e\x2f\x33\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5864] write(3, "1000", 4 [pid 5863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5837] <... openat resumed>) = 4 [pid 5864] <... write resumed>) = 4 [pid 5863] <... openat resumed>) = 3 [pid 5837] newfstatat(4, "", [pid 5864] close(3 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5864] <... close resumed>) = 0 [pid 5837] getdents64(4, [pid 5864] symlink("/dev/binderfs", "./binderfs" [pid 5837] <... getdents64 resumed>0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5864] <... symlink resumed>) = 0 [pid 5837] getdents64(4, 0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5837] close(4) = 0 [pid 5837] rmdir("\x2e\x2f\x33\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38") = 0 [pid 5864] write(1, "executing program\n", 18 [pid 5837] umount2("./3/core", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program ) = -1 EINVAL (Invalid argument) [pid 5864] <... write resumed>) = 18 [pid 5837] newfstatat(AT_FDCWD, "./3/core", [pid 5864] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], NULL, 8) = 0 [pid 5863] write(3, "1000", 4 [pid 5837] <... newfstatat resumed>{st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] gettid( [pid 5863] <... write resumed>) = 4 [pid 5837] unlink("./3/core" [pid 5864] <... gettid resumed>) = 5 [pid 5863] close(3) = 0 [pid 5864] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=5}, [pid 5863] symlink("/dev/binderfs", "./binderfs" [pid 5864] <... timer_create resumed>[0]) = 0 executing program [pid 5864] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5863] <... symlink resumed>) = 0 [pid 5864] <... timer_settime resumed>NULL) = 0 [pid 5864] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5863] write(1, "executing program\n", 18 [pid 5864] <... timer_settime resumed>NULL) = 0 [pid 5864] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5863] <... write resumed>) = 18 [pid 5864] <... mkdir resumed>) = 0 [pid 5861] +++ killed by SIGSEGV (core dumped) +++ [pid 5864] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5863] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], NULL, 8) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=5, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5863] gettid( [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 5863] <... gettid resumed>) = 5 [pid 5863] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=5}, [pid 5837] <... unlink resumed>) = 0 [pid 5835] <... restart_syscall resumed>) = 0 [pid 5863] <... timer_create resumed>[0]) = 0 [pid 5837] getdents64(3, [pid 5863] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5862] +++ killed by SIGSEGV (core dumped) +++ [pid 5837] <... getdents64 resumed>0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5835] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=5, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5863] <... timer_settime resumed>NULL) = 0 [pid 5837] close(3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] +++ killed by SIGSEGV (core dumped) +++ [pid 5863] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5837] <... close resumed>) = 0 [pid 5835] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] <... timer_settime resumed>NULL) = 0 [pid 5837] rmdir("./3" [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=5, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5835] <... openat resumed>) = 3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5833] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] newfstatat(3, "", [pid 5833] <... openat resumed>) = 3 [pid 5863] <... mkdir resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5833] newfstatat(3, "", [pid 5835] getdents64(3, [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... getdents64 resumed>0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5833] getdents64(3, [pid 5863] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5837] <... rmdir resumed>) = 0 [pid 5835] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... getdents64 resumed>0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./3/binderfs" [pid 5833] unlink("./3/binderfs" [pid 5835] <... unlink resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5833] umount2("\x2e\x2f\x33\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] umount2("\x2e\x2f\x33\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(AT_FDCWD, "\x2e\x2f\x33\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] newfstatat(AT_FDCWD, "\x2e\x2f\x33\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", [pid 5833] umount2("\x2e\x2f\x33\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "\x2e\x2f\x33\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] umount2("\x2e\x2f\x33\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... openat resumed>) = 4 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(4, "", [pid 5835] openat(AT_FDCWD, "\x2e\x2f\x33\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... openat resumed>) = 4 [pid 5833] getdents64(4, 0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, [pid 5835] newfstatat(4, "", [pid 5833] <... getdents64 resumed>0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("\x2e\x2f\x33\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38" [pid 5835] getdents64(4, [pid 5833] <... rmdir resumed>) = 0 [pid 5835] <... getdents64 resumed>0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5833] umount2("./3/core", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] getdents64(4, [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... getdents64 resumed>0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5833] newfstatat(AT_FDCWD, "./3/core", [pid 5835] close(4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... close resumed>) = 0 [pid 5833] unlink("./3/core" [pid 5835] rmdir("\x2e\x2f\x33\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38" [pid 5833] <... unlink resumed>) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 5835] umount2("./3/core", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./3/core", {st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] getdents64(3, [pid 5835] unlink("./3/core" [pid 5833] <... getdents64 resumed>0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3 [pid 5837] mkdir("./4", 0777 [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./3" [pid 5837] <... mkdir resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5833] mkdir("./4", 0777 [pid 5837] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] <... mkdir resumed>) = 0 [pid 5836] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5837] <... openat resumed>) = 3 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... openat resumed>) = 3 [pid 5836] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] <... unlink resumed>) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5836] <... openat resumed>) = 3 [pid 5833] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5836] newfstatat(3, "", [pid 5833] close(3 [pid 5837] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5837] close(3 [pid 5836] getdents64(3, 0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5833] <... close resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5836] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] unlink("./3/binderfs" [pid 5835] getdents64(3, 0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3./strace-static-x86_64: Process 5865 attached [pid 5836] <... unlink resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5836] umount2("\x2e\x2f\x33\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5866 attached [pid 5837] <... clone resumed>, child_tidptr=0x555576afa650) = 6 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] rmdir("./3" [pid 5833] <... clone resumed>, child_tidptr=0x555576afa650) = 6 [pid 5836] newfstatat(AT_FDCWD, "\x2e\x2f\x33\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", [pid 5865] set_robust_list(0x555576afa660, 24 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] umount2("\x2e\x2f\x33\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... set_robust_list resumed>) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... rmdir resumed>) = 0 [pid 5866] set_robust_list(0x555576afa660, 24 [pid 5836] openat(AT_FDCWD, "\x2e\x2f\x33\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5866] <... set_robust_list resumed>) = 0 [pid 5866] chdir("./4" [pid 5865] chdir("./4" [pid 5836] <... openat resumed>) = 4 [pid 5835] mkdir("./4", 0777 [pid 5866] <... chdir resumed>) = 0 [pid 5836] newfstatat(4, "", [pid 5866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5865] <... chdir resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5866] setpgid(0, 0 [pid 5836] getdents64(4, [pid 5866] <... setpgid resumed>) = 0 [pid 5836] <... getdents64 resumed>0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5865] <... prctl resumed>) = 0 [pid 5836] getdents64(4, [pid 5835] <... openat resumed>) = 3 [pid 5865] setpgid(0, 0 [pid 5835] ioctl(3, LOOP_CLR_FD [pid 5866] <... openat resumed>) = 3 [pid 5865] <... setpgid resumed>) = 0 [pid 5836] <... getdents64 resumed>0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5835] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5836] close(4 [pid 5866] write(3, "1000", 4 [pid 5865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] <... close resumed>) = 0 [pid 5835] close(3 [pid 5836] rmdir("\x2e\x2f\x33\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38" [pid 5865] <... openat resumed>) = 3 executing program [pid 5836] <... rmdir resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5836] umount2("./3/core", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] write(3, "1000", 4 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5867 attached [pid 5865] <... write resumed>) = 4 [pid 5836] newfstatat(AT_FDCWD, "./3/core", [pid 5865] close(3 [pid 5835] <... clone resumed>, child_tidptr=0x555576afa650) = 6 [pid 5836] <... newfstatat resumed>{st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] <... close resumed>) = 0 [pid 5836] unlink("./3/core" [pid 5865] symlink("/dev/binderfs", "./binderfs" [pid 5867] set_robust_list(0x555576afa660, 24 [pid 5865] <... symlink resumed>) = 0 [pid 5867] <... set_robust_list resumed>) = 0 [pid 5865] write(1, "executing program\n", 18 [pid 5867] chdir("./4" [pid 5865] <... write resumed>) = 18 [pid 5865] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], NULL, 8) = 0 [pid 5865] gettid() = 6 [pid 5865] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=6}, [0]) = 0 [pid 5865] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5867] <... chdir resumed>) = 0 [pid 5865] <... timer_settime resumed>NULL) = 0 [pid 5867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5865] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5867] <... prctl resumed>) = 0 [pid 5865] <... timer_settime resumed>NULL) = 0 [pid 5867] setpgid(0, 0 [pid 5865] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5867] <... setpgid resumed>) = 0 [pid 5836] <... unlink resumed>) = 0 [pid 5865] <... mkdir resumed>) = 0 [pid 5836] getdents64(3, [pid 5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5863] +++ killed by SIGSEGV (core dumped) +++ [pid 5866] <... write resumed>) = 4 [pid 5836] <... getdents64 resumed>0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5867] <... openat resumed>) = 3 [pid 5866] close(3 [pid 5865] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5836] close(3 [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=5, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5867] write(3, "1000", 4 [pid 5866] <... close resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5834] restart_syscall(<... resuming interrupted clone ...> [pid 5867] <... write resumed>) = 4 [pid 5866] symlink("/dev/binderfs", "./binderfs" [pid 5836] rmdir("./3" [pid 5867] close(3 [pid 5834] <... restart_syscall resumed>) = 0 [pid 5867] <... close resumed>) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 5867] symlink("/dev/binderfs", "./binderfs"executing program [pid 5866] <... symlink resumed>) = 0 [pid 5836] mkdir("./4", 0777 [pid 5867] <... symlink resumed>) = 0 [pid 5867] write(1, "executing program\n", 18) = 18 executing program [pid 5866] write(1, "executing program\n", 18 [pid 5836] <... mkdir resumed>) = 0 [pid 5834] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5866] <... write resumed>) = 18 [pid 5836] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5834] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] gettid( [pid 5866] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5836] <... openat resumed>) = 3 [pid 5834] <... openat resumed>) = 3 [pid 5867] <... gettid resumed>) = 6 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5867] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=6}, [pid 5834] newfstatat(3, "", [pid 5867] <... timer_create resumed>[0]) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5867] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, NULL) = 0 [pid 5834] getdents64(3, [pid 5867] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5834] <... getdents64 resumed>0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5867] <... timer_settime resumed>NULL) = 0 [pid 5834] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] <... mkdir resumed>) = 0 [pid 5834] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5867] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5836] close(3 [pid 5866] gettid( [pid 5834] unlink("./3/binderfs" [pid 5866] <... gettid resumed>) = 6 [pid 5836] <... close resumed>) = 0 [pid 5866] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=6}, [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] <... unlink resumed>) = 0 [pid 5834] umount2("\x2e\x2f\x33\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "\x2e\x2f\x33\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] umount2("\x2e\x2f\x33\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5868 attached [pid 5866] <... timer_create resumed>[0]) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] openat(AT_FDCWD, "\x2e\x2f\x33\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5834] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, 0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5834] getdents64(4, 0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [pid 5834] rmdir("\x2e\x2f\x33\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38" [pid 5868] set_robust_list(0x555576afa660, 24 [pid 5866] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5836] <... clone resumed>, child_tidptr=0x555576afa650) = 6 [pid 5834] <... rmdir resumed>) = 0 [pid 5834] umount2("./3/core", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./3/core", {st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5868] <... set_robust_list resumed>) = 0 [pid 5866] <... timer_settime resumed>NULL) = 0 [pid 5834] unlink("./3/core" [pid 5868] chdir("./4" [pid 5866] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5834] <... unlink resumed>) = 0 [pid 5868] <... chdir resumed>) = 0 [pid 5866] <... timer_settime resumed>NULL) = 0 [pid 5868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5866] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5868] <... prctl resumed>) = 0 [pid 5868] setpgid(0, 0 [pid 5866] <... mkdir resumed>) = 0 [pid 5868] <... setpgid resumed>) = 0 [pid 5868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5866] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5868] <... openat resumed>) = 3 [pid 5834] getdents64(3, 0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5834] close(3) = 0 [pid 5834] rmdir("./3") = 0 [pid 5834] mkdir("./4", 0777) = 0 [pid 5868] write(3, "1000", 4) = 4 [pid 5868] close(3 [pid 5834] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5868] <... close resumed>) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5834] close(3) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 5868] symlink("/dev/binderfs", "./binderfs" [pid 5834] <... clone resumed>, child_tidptr=0x555576afa650) = 6 [pid 5868] <... symlink resumed>) = 0 [pid 5868] write(1, "executing program\n", 18) = 18 ./strace-static-x86_64: Process 5869 attached [pid 5868] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], executing program NULL, 8) = 0 [pid 5869] set_robust_list(0x555576afa660, 24) = 0 [pid 5869] chdir("./4") = 0 [pid 5869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5869] setpgid(0, 0) = 0 [pid 5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5869] write(3, "1000", 4) = 4 [pid 5869] close(3) = 0 [pid 5869] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5869] write(1, "executing program\n", 18) = 18 [pid 5869] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5868] gettid() = 6 [pid 5869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5869] gettid() = 6 [pid 5869] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=6}, [0]) = 0 [pid 5869] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, NULL) = 0 [pid 5868] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=6}, [pid 5865] +++ killed by SIGSEGV (core dumped) +++ [pid 5868] <... timer_create resumed>[0]) = 0 [pid 5869] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5868] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5869] <... timer_settime resumed>NULL) = 0 [pid 5869] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5868] <... timer_settime resumed>NULL) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=6, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=0} --- [pid 5869] <... mkdir resumed>) = 0 [pid 5868] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5869] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5868] <... timer_settime resumed>NULL) = 0 [pid 5868] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5833] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5868] <... mkdir resumed>) = 0 [pid 5867] +++ killed by SIGSEGV (core dumped) +++ [pid 5833] <... openat resumed>) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=6, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5833] getdents64(3, [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 5833] <... getdents64 resumed>0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5833] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./4/binderfs") = 0 [pid 5833] umount2("\x2e\x2f\x34\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "\x2e\x2f\x34\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("\x2e\x2f\x34\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "\x2e\x2f\x34\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5868] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5833] getdents64(4, 0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("\x2e\x2f\x34\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38") = 0 [pid 5833] umount2("./4/core", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./4/core", {st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./4/core") = 0 [pid 5866] +++ killed by SIGSEGV (core dumped) +++ [pid 5835] <... restart_syscall resumed>) = 0 [pid 5833] getdents64(3, [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=6, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=0} --- [pid 5833] <... getdents64 resumed>0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5868] +++ killed by SIGSEGV (core dumped) +++ [pid 5833] close(3 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=6, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5835] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... close resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] rmdir("./4" [pid 5837] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5869] +++ killed by SIGSEGV (core dumped) +++ [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... openat resumed>) = 3 [pid 5833] <... rmdir resumed>) = 0 [pid 5837] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", [pid 5833] mkdir("./5", 0777 [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=6, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5837] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5834] restart_syscall(<... resuming interrupted clone ...> [pid 5833] <... mkdir resumed>) = 0 [pid 5837] getdents64(3, [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... getdents64 resumed>0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5835] getdents64(3, [pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5835] <... getdents64 resumed>0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5837] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... openat resumed>) = 3 [pid 5837] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5835] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5833] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5837] unlink("./4/binderfs" [pid 5833] close(3 [pid 5837] <... unlink resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] unlink("./4/binderfs"./strace-static-x86_64: Process 5870 attached [pid 5837] umount2("\x2e\x2f\x34\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... unlink resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "\x2e\x2f\x34\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("\x2e\x2f\x34\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5870] set_robust_list(0x555576afa660, 24 [pid 5837] umount2("\x2e\x2f\x34\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5870] <... set_robust_list resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "\x2e\x2f\x34\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... clone resumed>, child_tidptr=0x555576afa650) = 7 [pid 5837] <... openat resumed>) = 4 [pid 5835] newfstatat(AT_FDCWD, "\x2e\x2f\x34\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("\x2e\x2f\x34\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "\x2e\x2f\x34\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5835] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, [pid 5870] chdir("./5" [pid 5837] newfstatat(4, "", [pid 5835] <... getdents64 resumed>0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5834] <... restart_syscall resumed>) = 0 [pid 5835] getdents64(4, 0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5836] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5870] <... chdir resumed>) = 0 [pid 5835] close(4 [pid 5870] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] getdents64(4, [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... close resumed>) = 0 [pid 5870] <... prctl resumed>) = 0 [pid 5837] <... getdents64 resumed>0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5836] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5870] setpgid(0, 0 [pid 5837] getdents64(4, [pid 5870] <... setpgid resumed>) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5837] <... getdents64 resumed>0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5835] rmdir("\x2e\x2f\x34\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38" [pid 5834] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5837] close(4 [pid 5836] newfstatat(3, "", [pid 5835] <... rmdir resumed>) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... close resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5835] umount2("./4/core", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5870] <... openat resumed>) = 3 [pid 5837] rmdir("\x2e\x2f\x34\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38" [pid 5836] getdents64(3, [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... openat resumed>) = 3 [pid 5870] write(3, "1000", 4 [pid 5836] <... getdents64 resumed>0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5835] newfstatat(AT_FDCWD, "./4/core", [pid 5836] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... rmdir resumed>) = 0 [pid 5870] <... write resumed>) = 4 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... newfstatat resumed>{st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] newfstatat(3, "", [pid 5870] close(3 [pid 5837] umount2("./4/core", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5835] unlink("./4/core" [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5870] <... close resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5870] symlink("/dev/binderfs", "./binderfs" [pid 5837] newfstatat(AT_FDCWD, "./4/core", [pid 5836] unlink("./4/binderfs" [pid 5834] getdents64(3, [pid 5870] <... symlink resumed>) = 0 executing program [pid 5837] <... newfstatat resumed>{st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... unlink resumed>) = 0 [pid 5870] write(1, "executing program\n", 18 [pid 5837] unlink("./4/core" [pid 5836] umount2("\x2e\x2f\x34\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... getdents64 resumed>0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5870] <... write resumed>) = 18 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... unlink resumed>) = 0 [pid 5836] newfstatat(AT_FDCWD, "\x2e\x2f\x34\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", [pid 5835] getdents64(3, [pid 5834] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5870] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... getdents64 resumed>0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] umount2("\x2e\x2f\x34\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] close(3 [pid 5834] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... close resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] openat(AT_FDCWD, "\x2e\x2f\x34\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] rmdir("./4" [pid 5836] <... openat resumed>) = 4 [pid 5835] <... rmdir resumed>) = 0 [pid 5834] unlink("./4/binderfs" [pid 5870] gettid( [pid 5836] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5870] <... gettid resumed>) = 7 [pid 5836] getdents64(4, [pid 5835] mkdir("./5", 0777 [pid 5834] <... unlink resumed>) = 0 [pid 5870] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=7}, [pid 5836] <... getdents64 resumed>0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5835] <... mkdir resumed>) = 0 [pid 5836] getdents64(4, [pid 5834] umount2("\x2e\x2f\x34\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... getdents64 resumed>0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5870] <... timer_create resumed>[0]) = 0 [pid 5836] close(4 [pid 5835] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5870] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5836] <... close resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5836] rmdir("\x2e\x2f\x34\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38" [pid 5870] <... timer_settime resumed>NULL) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 5835] ioctl(3, LOOP_CLR_FD [pid 5834] newfstatat(AT_FDCWD, "\x2e\x2f\x34\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", [pid 5870] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5837] <... unlink resumed>) = 0 [pid 5836] umount2("./4/core", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5870] <... timer_settime resumed>NULL) = 0 [pid 5837] getdents64(3, [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] close(3 [pid 5834] umount2("\x2e\x2f\x34\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5870] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5837] <... getdents64 resumed>0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5836] newfstatat(AT_FDCWD, "./4/core", [pid 5835] <... close resumed>) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5870] <... mkdir resumed>) = 0 [pid 5836] <... newfstatat resumed>{st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] openat(AT_FDCWD, "\x2e\x2f\x34\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] close(3 [pid 5836] unlink("./4/core" [pid 5837] <... close resumed>) = 0 ./strace-static-x86_64: Process 5871 attached [pid 5870] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5834] <... openat resumed>) = 4 [pid 5837] rmdir("./4" [pid 5836] <... unlink resumed>) = 0 [pid 5871] set_robust_list(0x555576afa660, 24 [pid 5837] <... rmdir resumed>) = 0 [pid 5834] newfstatat(4, "", [pid 5837] mkdir("./5", 0777 [pid 5871] <... set_robust_list resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x555576afa650) = 7 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5871] chdir("./5" [pid 5837] <... mkdir resumed>) = 0 [pid 5834] getdents64(4, [pid 5871] <... chdir resumed>) = 0 [pid 5834] <... getdents64 resumed>0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5834] getdents64(4, [pid 5871] <... prctl resumed>) = 0 [pid 5834] <... getdents64 resumed>0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5834] close(4) = 0 [pid 5834] rmdir("\x2e\x2f\x34\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38") = 0 [pid 5871] setpgid(0, 0 [pid 5834] umount2("./4/core", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5871] <... setpgid resumed>) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(AT_FDCWD, "./4/core", {st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] unlink("./4/core" [pid 5871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5837] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5871] <... openat resumed>) = 3 [pid 5871] write(3, "1000", 4) = 4 [pid 5871] close(3) = 0 [pid 5871] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5871] write(1, "executing program\n", 18) = 18 [pid 5871] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], NULL, 8) = 0 [pid 5871] gettid() = 7 [pid 5871] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=7}, [0]) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5836] getdents64(3, [pid 5834] <... unlink resumed>) = 0 [pid 5871] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, NULL) = 0 [pid 5871] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, NULL) = 0 [pid 5871] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777) = 0 [pid 5871] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5834] getdents64(3, [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5836] <... getdents64 resumed>0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5834] <... getdents64 resumed>0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5834] close(3) = 0 [pid 5836] close(3 [pid 5837] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5836] <... close resumed>) = 0 [pid 5834] rmdir("./4" [pid 5837] close(3 [pid 5836] rmdir("./4" [pid 5834] <... rmdir resumed>) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 5834] mkdir("./5", 0777 [pid 5837] <... close resumed>) = 0 [pid 5836] mkdir("./5", 0777 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] <... mkdir resumed>) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5834] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5834] close(3 [pid 5836] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5837] <... clone resumed>, child_tidptr=0x555576afa650) = 7 [pid 5834] <... close resumed>) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5872 attached [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5834] <... clone resumed>, child_tidptr=0x555576afa650) = 7 ./strace-static-x86_64: Process 5873 attached [pid 5872] set_robust_list(0x555576afa660, 24 [pid 5836] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5872] <... set_robust_list resumed>) = 0 [pid 5836] close(3 [pid 5872] chdir("./5" [pid 5836] <... close resumed>) = 0 [pid 5872] <... chdir resumed>) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555576afa650) = 7 ./strace-static-x86_64: Process 5874 attached [pid 5873] set_robust_list(0x555576afa660, 24 [pid 5872] setpgid(0, 0 [pid 5874] set_robust_list(0x555576afa660, 24) = 0 [pid 5873] <... set_robust_list resumed>) = 0 [pid 5872] <... setpgid resumed>) = 0 [pid 5874] chdir("./5" [pid 5873] chdir("./5" [pid 5872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5873] <... chdir resumed>) = 0 [pid 5872] <... openat resumed>) = 3 [pid 5874] <... chdir resumed>) = 0 [pid 5873] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] write(3, "1000", 4 [pid 5873] <... prctl resumed>) = 0 [pid 5872] <... write resumed>) = 4 [pid 5873] setpgid(0, 0 [pid 5872] close(3 [pid 5873] <... setpgid resumed>) = 0 [pid 5872] <... close resumed>) = 0 [pid 5874] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] symlink("/dev/binderfs", "./binderfs" [pid 5871] +++ killed by SIGSEGV (core dumped) +++ [pid 5870] +++ killed by SIGSEGV (core dumped) +++ [pid 5874] <... prctl resumed>) = 0 [pid 5872] <... symlink resumed>) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=7, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5873] <... openat resumed>) = 3 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=7, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5874] setpgid(0, 0 executing program [pid 5872] write(1, "executing program\n", 18 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5874] <... setpgid resumed>) = 0 [pid 5873] write(3, "1000", 4 [pid 5872] <... write resumed>) = 18 [pid 5835] <... restart_syscall resumed>) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5873] <... write resumed>) = 4 [pid 5873] close(3 [pid 5872] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5874] <... openat resumed>) = 3 [pid 5873] <... close resumed>) = 0 [pid 5872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5874] write(3, "1000", 4 [pid 5873] symlink("/dev/binderfs", "./binderfs" [pid 5872] gettid( [pid 5874] <... write resumed>) = 4 [pid 5873] <... symlink resumed>) = 0 [pid 5872] <... gettid resumed>) = 7 [pid 5835] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5874] close(3 [pid 5873] write(1, "executing program\n", 18 [pid 5872] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=7}, [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYexecuting program [pid 5874] <... close resumed>) = 0 [pid 5872] <... timer_create resumed>[0]) = 0 [pid 5874] symlink("/dev/binderfs", "./binderfs" [pid 5873] <... write resumed>) = 18 [pid 5872] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5835] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... openat resumed>) = 3 [pid 5874] <... symlink resumed>) = 0 [pid 5873] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5872] <... timer_settime resumed>NULL) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5872] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, executing program [pid 5874] write(1, "executing program\n", 18 [pid 5873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5872] <... timer_settime resumed>NULL) = 0 [pid 5835] newfstatat(3, "", [pid 5833] newfstatat(3, "", [pid 5874] <... write resumed>) = 18 [pid 5873] gettid( [pid 5872] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5874] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5873] <... gettid resumed>) = 7 [pid 5872] <... mkdir resumed>) = 0 [pid 5835] getdents64(3, [pid 5874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5873] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=7}, [pid 5872] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5833] getdents64(3, [pid 5874] gettid( [pid 5873] <... timer_create resumed>[0]) = 0 [pid 5835] <... getdents64 resumed>0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5874] <... gettid resumed>) = 7 [pid 5873] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5835] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... getdents64 resumed>0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5874] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=7}, [pid 5873] <... timer_settime resumed>NULL) = 0 [pid 5874] <... timer_create resumed>[0]) = 0 [pid 5873] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5874] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5873] <... timer_settime resumed>NULL) = 0 [pid 5835] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5874] <... timer_settime resumed>NULL) = 0 [pid 5873] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5874] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5873] <... mkdir resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5874] <... timer_settime resumed>NULL) = 0 [pid 5873] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5835] unlink("./5/binderfs" [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5874] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5835] <... unlink resumed>) = 0 [pid 5874] <... mkdir resumed>) = 0 [pid 5833] unlink("./5/binderfs" [pid 5835] umount2("\x2e\x2f\x35\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... unlink resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "\x2e\x2f\x35\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", [pid 5874] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("\x2e\x2f\x35\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] umount2("\x2e\x2f\x35\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(AT_FDCWD, "\x2e\x2f\x35\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] openat(AT_FDCWD, "\x2e\x2f\x35\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] umount2("\x2e\x2f\x35\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5874] +++ killed by SIGSEGV (core dumped) +++ [pid 5872] +++ killed by SIGSEGV (core dumped) +++ [pid 5835] <... openat resumed>) = 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=7, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=7, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=0} --- [pid 5835] newfstatat(4, "", [pid 5833] openat(AT_FDCWD, "\x2e\x2f\x35\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(4, [pid 5833] <... openat resumed>) = 4 [pid 5835] <... getdents64 resumed>0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5833] newfstatat(4, "", [pid 5873] +++ killed by SIGSEGV (core dumped) +++ [pid 5835] getdents64(4, [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=7, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... getdents64 resumed>0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5834] restart_syscall(<... resuming interrupted clone ...> [pid 5833] getdents64(4, [pid 5835] close(4 [pid 5833] <... getdents64 resumed>0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5835] <... close resumed>) = 0 [pid 5833] getdents64(4, [pid 5835] rmdir("\x2e\x2f\x35\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38" [pid 5833] <... getdents64 resumed>0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 5833] close(4 [pid 5835] umount2("./5/core", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... close resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] rmdir("\x2e\x2f\x35\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38" [pid 5835] newfstatat(AT_FDCWD, "./5/core", [pid 5833] <... rmdir resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./5/core" [pid 5833] umount2("./5/core", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./5/core", {st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./5/core" [pid 5835] <... unlink resumed>) = 0 [pid 5834] <... restart_syscall resumed>) = 0 [pid 5835] getdents64(3, 0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5835] close(3 [pid 5836] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... close resumed>) = 0 [pid 5834] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] rmdir("./5" [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... unlink resumed>) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 5834] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] getdents64(3, [pid 5837] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... openat resumed>) = 3 [pid 5834] <... openat resumed>) = 3 [pid 5836] newfstatat(3, "", [pid 5835] mkdir("./6", 0777 [pid 5834] newfstatat(3, "", [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... getdents64 resumed>0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5837] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] getdents64(3, [pid 5833] close(3 [pid 5837] <... openat resumed>) = 3 [pid 5836] <... getdents64 resumed>0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5835] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5834] getdents64(3, [pid 5833] <... close resumed>) = 0 [pid 5837] newfstatat(3, "", [pid 5836] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... openat resumed>) = 3 [pid 5834] <... getdents64 resumed>0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5833] rmdir("./5" [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] ioctl(3, LOOP_CLR_FD [pid 5834] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] getdents64(3, [pid 5836] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5835] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5833] <... rmdir resumed>) = 0 [pid 5837] <... getdents64 resumed>0x555576afb6f0 /* 5 entries */, 32768) = 200 [pid 5833] mkdir("./6", 0777 [pid 5837] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] close(3 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... mkdir resumed>) = 0 [pid 5837] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5836] unlink("./5/binderfs" [pid 5835] <... close resumed>) = 0 [pid 5834] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] <... unlink resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5837] unlink("./5/binderfs" [pid 5836] umount2("\x2e\x2f\x35\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] unlink("./5/binderfs" [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5837] <... unlink resumed>) = 0 [pid 5834] <... unlink resumed>) = 0 [pid 5833] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5833] close(3 [pid 5837] umount2("\x2e\x2f\x35\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] <... close resumed>) = 0 [pid 5837] newfstatat(AT_FDCWD, "\x2e\x2f\x35\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5876 attached ./strace-static-x86_64: Process 5875 attached [pid 5837] umount2("\x2e\x2f\x35\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] umount2("\x2e\x2f\x35\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... clone resumed>, child_tidptr=0x555576afa650) = 8 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] openat(AT_FDCWD, "\x2e\x2f\x35\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] newfstatat(AT_FDCWD, "\x2e\x2f\x35\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5876] set_robust_list(0x555576afa660, 24 [pid 5837] <... openat resumed>) = 4 [pid 5875] set_robust_list(0x555576afa660, 24 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5876] <... set_robust_list resumed>) = 0 [pid 5875] <... set_robust_list resumed>) = 0 [pid 5837] newfstatat(4, "", [pid 5836] umount2("\x2e\x2f\x35\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... clone resumed>, child_tidptr=0x555576afa650) = 8 [pid 5834] newfstatat(AT_FDCWD, "\x2e\x2f\x35\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", [pid 5876] chdir("./6" [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(4, [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] <... getdents64 resumed>0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5836] openat(AT_FDCWD, "\x2e\x2f\x35\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] umount2("\x2e\x2f\x35\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5875] chdir("./6" [pid 5837] getdents64(4, [pid 5876] <... chdir resumed>) = 0 [pid 5836] <... openat resumed>) = 4 [pid 5876] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] <... chdir resumed>) = 0 [pid 5837] <... getdents64 resumed>0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5836] newfstatat(4, "", [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] close(4 [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5834] openat(AT_FDCWD, "\x2e\x2f\x35\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5876] <... prctl resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5837] rmdir("\x2e\x2f\x35\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38" [pid 5836] getdents64(4, [pid 5876] setpgid(0, 0 [pid 5875] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] <... rmdir resumed>) = 0 [pid 5836] <... getdents64 resumed>0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5834] <... openat resumed>) = 4 [pid 5876] <... setpgid resumed>) = 0 [pid 5875] <... prctl resumed>) = 0 [pid 5834] newfstatat(4, "", [pid 5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5837] umount2("./5/core", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] getdents64(4, [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0 [pid 5876] <... openat resumed>) = 3 [pid 5875] setpgid(0, 0 [pid 5836] <... getdents64 resumed>0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5834] getdents64(4, [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5876] write(3, "1000", 4 [pid 5875] <... setpgid resumed>) = 0 [pid 5836] close(4 [pid 5834] <... getdents64 resumed>0x555576b03730 /* 2 entries */, 32768) = 48 [pid 5876] <... write resumed>) = 4 [pid 5875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5837] newfstatat(AT_FDCWD, "./5/core", [pid 5836] <... close resumed>) = 0 [pid 5834] getdents64(4, [pid 5876] close(3 [pid 5837] <... newfstatat resumed>{st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] rmdir("\x2e\x2f\x35\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38" [pid 5834] <... getdents64 resumed>0x555576b03730 /* 0 entries */, 32768) = 0 [pid 5876] <... close resumed>) = 0 [pid 5875] <... openat resumed>) = 3 [pid 5837] unlink("./5/core" [pid 5834] close(4 [pid 5876] symlink("/dev/binderfs", "./binderfs" [pid 5875] write(3, "1000", 4 [pid 5836] <... rmdir resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5876] <... symlink resumed>) = 0 [pid 5875] <... write resumed>) = 4 [pid 5834] rmdir("\x2e\x2f\x35\x2f\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38") = 0 [pid 5876] write(1, "executing program\n", 18 [pid 5875] close(3executing program [pid 5837] <... unlink resumed>) = 0 [pid 5836] umount2("./5/core", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5876] <... write resumed>) = 18 [pid 5875] <... close resumed>) = 0 [pid 5834] umount2("./5/core", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5876] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5875] symlink("/dev/binderfs", "./binderfs" [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5875] <... symlink resumed>) = 0 [pid 5836] newfstatat(AT_FDCWD, "./5/core", [pid 5834] newfstatat(AT_FDCWD, "./5/core", [pid 5876] gettid( [pid 5875] write(1, "executing program\n", 18 [pid 5837] getdents64(3, [pid 5836] <... newfstatat resumed>{st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 5834] <... newfstatat resumed>{st_mode=S_IFREG|0600, st_size=17870848, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5876] <... gettid resumed>) = 8 [pid 5875] <... write resumed>) = 18 [pid 5837] <... getdents64 resumed>0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5836] unlink("./5/core" [pid 5834] unlink("./5/core" [pid 5876] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=8}, [pid 5875] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5837] close(3) = 0 [pid 5837] rmdir("./5") = 0 [pid 5837] mkdir("./6", 0777) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5837] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5837] close(3) = 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5877 attached [pid 5834] <... unlink resumed>) = 0 [pid 5877] set_robust_list(0x555576afa660, 24) = 0 [pid 5877] chdir("./6") = 0 [pid 5876] <... timer_create resumed>[0]) = 0 [pid 5875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] <... clone resumed>, child_tidptr=0x555576afa650) = 8 [pid 5836] <... unlink resumed>) = 0 [pid 5834] getdents64(3, [pid 5877] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5876] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5875] gettid( [pid 5836] getdents64(3, 0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5834] <... getdents64 resumed>0x555576afb6f0 /* 0 entries */, 32768) = 0 [pid 5836] close(3 [pid 5834] close(3 [pid 5836] <... close resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5836] rmdir("./5" [pid 5834] rmdir("./5" [pid 5877] <... prctl resumed>) = 0 [pid 5876] <... timer_settime resumed>NULL) = 0 [pid 5875] <... gettid resumed>) = 8 [pid 5877] setpgid(0, 0 [pid 5876] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5875] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=8}, [pid 5834] <... rmdir resumed>) = 0 [pid 5877] <... setpgid resumed>) = 0 [pid 5876] <... timer_settime resumed>NULL) = 0 [pid 5875] <... timer_create resumed>[0]) = 0 [pid 5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5876] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5875] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5877] <... openat resumed>) = 3 [pid 5876] <... mkdir resumed>) = 0 [pid 5875] <... timer_settime resumed>NULL) = 0 [pid 5876] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5875] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, NULL) = 0 [pid 5836] <... rmdir resumed>) = 0 [pid 5834] mkdir("./6", 0777 [pid 5836] mkdir("./6", 0777 [pid 5877] write(3, "1000", 4 [pid 5836] <... mkdir resumed>) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 5877] <... write resumed>) = 4 [pid 5836] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5834] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5877] close(3 [pid 5836] <... openat resumed>) = 3 [pid 5834] <... openat resumed>) = 3 [pid 5877] <... close resumed>) = 0 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5834] ioctl(3, LOOP_CLR_FD [pid 5877] symlink("/dev/binderfs", "./binderfs" [pid 5875] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5836] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5834] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5836] close(3) = 0 [pid 5834] close(3 [pid 5877] <... symlink resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5875] <... mkdir resumed>) = 0 executing program [pid 5877] write(1, "executing program\n", 18 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5878 attached [pid 5877] <... write resumed>) = 18 [pid 5875] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5878] set_robust_list(0x555576afa660, 24 [pid 5877] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5834] <... clone resumed>, child_tidptr=0x555576afa650) = 8 ./strace-static-x86_64: Process 5879 attached [pid 5878] <... set_robust_list resumed>) = 0 [pid 5877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5876] +++ killed by SIGSEGV (core dumped) +++ [pid 5836] <... clone resumed>, child_tidptr=0x555576afa650) = 8 [pid 5879] set_robust_list(0x555576afa660, 24 [pid 5878] chdir("./6" [pid 5877] gettid( [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=8, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5879] <... set_robust_list resumed>) = 0 [pid 5878] <... chdir resumed>) = 0 [pid 5877] <... gettid resumed>) = 8 [pid 5879] chdir("./6" [pid 5878] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5877] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=8}, [pid 5879] <... chdir resumed>) = 0 [pid 5878] <... prctl resumed>) = 0 [pid 5879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5878] setpgid(0, 0 [pid 5877] <... timer_create resumed>[0]) = 0 [pid 5879] <... prctl resumed>) = 0 [pid 5878] <... setpgid resumed>) = 0 [pid 5879] setpgid(0, 0 [pid 5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5877] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5879] <... setpgid resumed>) = 0 [pid 5878] <... openat resumed>) = 3 [pid 5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5878] write(3, "1000", 4 [pid 5877] <... timer_settime resumed>NULL) = 0 [pid 5878] <... write resumed>) = 4 [pid 5878] close(3 [pid 5877] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5878] <... close resumed>) = 0 [pid 5879] <... openat resumed>) = 3 [pid 5878] symlink("/dev/binderfs", "./binderfs" [pid 5877] <... timer_settime resumed>NULL) = 0 [pid 5878] <... symlink resumed>) = 0 executing program [pid 5878] write(1, "executing program\n", 18 [pid 5877] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5879] write(3, "1000", 4 [pid 5878] <... write resumed>) = 18 [pid 5879] <... write resumed>) = 4 [pid 5878] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5877] <... mkdir resumed>) = 0 [pid 5879] close(3 [pid 5878] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5879] <... close resumed>) = 0 [pid 5878] gettid( [pid 5877] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5879] symlink("/dev/binderfs", "./binderfs" [pid 5878] <... gettid resumed>) = 8 [pid 5879] <... symlink resumed>) = 0 [pid 5878] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=8}, [0]) = 0 [pid 5878] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5879] write(1, "executing program\n", 18 [pid 5878] <... timer_settime resumed>NULL) = 0 [pid 5879] <... write resumed>) = 18 [pid 5878] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, [pid 5879] rt_sigprocmask(SIG_BLOCK, ~[HUP RT_17 RT_18 RT_19 RT_20 RT_21 RT_22 RT_23 RT_24 RT_25 RT_26 RT_27 RT_28 RT_29 RT_30 RT_31 RT_32], [pid 5878] <... timer_settime resumed>NULL) = 0 [pid 5878] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777 [pid 5879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5878] <... mkdir resumed>) = 0 [pid 5879] gettid( [pid 5878] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5879] <... gettid resumed>) = 8 executing program [pid 5879] timer_create(CLOCK_BOOTTIME_ALARM, {sigev_signo=SIGPWR, sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=8}, [0]) = 0 [pid 5879] timer_settime(0, TIMER_ABSTIME|0x4, {it_interval={tv_sec=0, tv_nsec=10000000}, it_value={tv_sec=0, tv_nsec=60000000}}, NULL) = 0 [pid 5879] timer_settime(0, 0, {it_interval={tv_sec=0, tv_nsec=0}, it_value={tv_sec=0, tv_nsec=60000000}}, NULL) = 0 [pid 5879] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777) = 0 [pid 5879] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5835] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=100, ...}, AT_EMPTY_PATH) = 0 [ 54.840671][ C1] ------------[ cut here ]------------ [ 54.846265][ C1] WARNING: CPU: 1 PID: 5878 at kernel/signal.c:2008 posixtimer_send_sigqueue+0x9da/0xbc0 [ 54.856081][ C1] Modules linked in: [ 54.859986][ C1] CPU: 1 UID: 0 PID: 5878 Comm: syz-executor346 Not tainted 6.12.0-rc6-next-20241108-syzkaller #0 [ 54.870562][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 54.880598][ C1] RIP: 0010:posixtimer_send_sigqueue+0x9da/0xbc0 [ 54.886924][ C1] Code: df 80 3c 08 00 74 08 48 89 df e8 c1 ad a5 00 4c 89 2b eb 51 e8 a7 32 3b 00 41 be 02 00 00 00 e9 e9 fd ff ff e8 97 32 3b 00 90 <0f> 0b 90 e9 f2 fa ff ff 4c 89 ef e8 86 33 5a 03 84 c0 0f 84 aa 01 [ 54.906508][ C1] RSP: 0018:ffffc90000a18bc0 EFLAGS: 00010006 [ 54.912555][ C1] RAX: ffffffff81644979 RBX: 0000000000000000 RCX: ffff888035291e00 [ 54.920504][ C1] RDX: 0000000000010000 RSI: 000000000000001e RDI: 0000000000000009 [ 54.928486][ C1] RBP: ffffc90000a18cc0 R08: ffffffff816450cc R09: 1ffffffff203910e [ 54.936480][ C1] R10: dffffc0000000000 R11: fffffbfff203910f R12: ffff88807c8b9ac4 [ 54.944458][ C1] R13: 1ffff1100f917358 R14: ffff88807c8b9a40 R15: ffff88807c8b9b00 [ 54.952416][ C1] FS: 0000555576afa380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 54.961326][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.967888][ C1] CR2: 0000000000000000 CR3: 00000000273e4000 CR4: 00000000003526f0 [ 54.975841][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.983816][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.991779][ C1] Call Trace: [ 54.995049][ C1] [ 54.997887][ C1] ? __warn+0x168/0x4e0 [ 55.002025][ C1] ? posixtimer_send_sigqueue+0x9da/0xbc0 [ 55.007737][ C1] ? report_bug+0x2b3/0x500 [ 55.012244][ C1] ? posixtimer_send_sigqueue+0x9da/0xbc0 [ 55.017972][ C1] ? handle_bug+0x60/0x90 [ 55.022304][ C1] ? exc_invalid_op+0x1a/0x50 [ 55.026958][ C1] ? asm_exc_invalid_op+0x1a/0x20 [ 55.031962][ C1] ? prepare_signal+0x25c/0xc90 [ 55.036798][ C1] ? posixtimer_send_sigqueue+0x9d9/0xbc0 [ 55.042521][ C1] ? posixtimer_send_sigqueue+0x9da/0xbc0 [ 55.048218][ C1] ? posixtimer_send_sigqueue+0xd2/0xbc0 [ 55.053854][ C1] ? __pfx_posixtimer_send_sigqueue+0x10/0x10 [ 55.059965][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 55.065861][ C1] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 55.072185][ C1] alarm_handle_timer+0x2f/0x60 [ 55.077022][ C1] ? __pfx_alarm_handle_timer+0x10/0x10 [ 55.082551][ C1] alarmtimer_fired+0x173/0x410 [ 55.087384][ C1] ? __pfx_alarmtimer_fired+0x10/0x10 [ 55.092756][ C1] __hrtimer_run_queues+0x59b/0xd50 [ 55.097939][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 55.103727][ C1] ? sched_clock+0x4a/0x70 [ 55.108123][ C1] ? read_tsc+0x9/0x20 [ 55.112191][ C1] ? ktime_get_update_offsets_now+0x393/0x3b0 [ 55.118327][ C1] hrtimer_interrupt+0x403/0xa40 [ 55.123395][ C1] __sysvec_apic_timer_interrupt+0x110/0x420 [ 55.129385][ C1] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 55.135017][ C1] [ 55.138046][ C1] [ 55.140986][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 55.147007][ C1] RIP: 0010:__sanitizer_cov_trace_switch+0xc3/0x120 [ 55.153599][ C1] Code: 8b 74 d6 10 65 8b 05 94 52 64 7e 25 00 01 ff 00 74 11 3d 00 01 00 00 75 de 41 83 bb 1c 16 00 00 00 74 d4 41 8b 83 f8 15 00 00 <83> f8 03 75 c8 49 8b 8b 00 16 00 00 45 8b bb fc 15 00 00 49 c1 e7 [ 55.173292][ C1] RSP: 0018:ffffc900040e6bb0 EFLAGS: 00000246 [ 55.179349][ C1] RAX: 0000000000000000 RBX: 0000000020e5a000 RCX: ffff888035291e00 [ 55.187313][ C1] RDX: 0000000000000001 RSI: ffffffff9003aed0 RDI: 0000000000000003 [ 55.195265][ C1] RBP: 0000000000000003 R08: 0000000000000005 R09: ffffffff8bbb3dab [ 55.203212][ C1] R10: 0000000000000004 R11: ffff888035291e00 R12: dffffc0000000000 [ 55.211157][ C1] R13: 00007f1e024d0fff R14: 0000000000000001 R15: 0000000000000000 [ 55.219194][ C1] ? mtree_range_walk+0x3eb/0x8e0 [ 55.224232][ C1] mtree_range_walk+0x3eb/0x8e0 [ 55.229090][ C1] mt_find+0x3a8/0x920 [ 55.233162][ C1] ? finish_task_switch+0x1e5/0x870 [ 55.238354][ C1] ? mt_find+0x2a9/0x920 [ 55.242586][ C1] ? __pfx_mt_find+0x10/0x10 [ 55.247164][ C1] find_vma+0xf9/0x170 [ 55.251228][ C1] ? __pfx_find_vma+0x10/0x10 [ 55.255894][ C1] ? vma_is_secretmem+0xd/0x50 [ 55.260799][ C1] ? check_vma_flags+0x4fa/0x5a0 [ 55.265750][ C1] __get_user_pages+0x4b3/0x49e0 [ 55.271221][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 55.276269][ C1] ? __pfx___get_user_pages+0x10/0x10 [ 55.281890][ C1] ? get_dump_page+0xe2/0x2f0 [ 55.286845][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 55.292772][ C1] ? __up_read+0x2c2/0x6b0 [ 55.297215][ C1] ? __pfx___up_read+0x10/0x10 [ 55.302085][ C1] ? __kernel_write_iter+0x725/0x940 [ 55.307467][ C1] get_dump_page+0x155/0x2f0 [ 55.312505][ C1] ? __pfx___might_resched+0x10/0x10 [ 55.318169][ C1] ? __pfx_get_dump_page+0x10/0x10 [ 55.324136][ C1] ? __pfx_alloc_pages_mpol_noprof+0x10/0x10 [ 55.330971][ C1] ? iov_iter_bvec+0x4e/0x180 [ 55.336306][ C1] dump_user_range+0x14d/0x970 [ 55.341219][ C1] ? __pfx_dump_user_range+0x10/0x10 [ 55.347245][ C1] ? __pfx_elf_coredump_extra_notes_write+0x10/0x10 [ 55.354199][ C1] ? __kmalloc_cache_noprof+0x243/0x390 [ 55.360321][ C1] ? dump_emit+0x99/0xd0 [ 55.364604][ C1] elf_core_dump+0x3e9f/0x4790 [ 55.369493][ C1] ? __pfx_elf_core_dump+0x10/0x10 [ 55.375357][ C1] ? sort+0xdb/0x120 [ 55.379247][ C1] ? __pfx_cmp_vma_size+0x10/0x10 [ 55.384257][ C1] ? mas_find+0x950/0xbb0 [ 55.388593][ C1] ? __pfx___might_resched+0x10/0x10 [ 55.394008][ C1] ? getname_kernel+0x140/0x2f0 [ 55.398852][ C1] ? preempt_count_add+0x93/0x190 [ 55.404438][ C1] do_coredump+0x214b/0x2e60 [ 55.409036][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 55.415369][ C1] ? __pfx_do_coredump+0x10/0x10 [ 55.420310][ C1] ? lock_acquire+0xe3/0x550 [ 55.424885][ C1] ? do_raw_spin_lock+0x14f/0x370 [ 55.429905][ C1] ? rcu_is_watching+0x15/0xb0 [ 55.434650][ C1] ? lock_release+0xbf/0xa30 [ 55.439223][ C1] ? proc_coredump_connector+0x1e8/0x750 [ 55.444919][ C1] ? __pfx_lock_release+0x10/0x10 [ 55.449921][ C1] ? __pfx_proc_coredump_connector+0x10/0x10 [ 55.455993][ C1] ? rcu_is_watching+0x15/0xb0 [ 55.460775][ C1] get_signal+0x140b/0x1750 [ 55.465265][ C1] ? __pfx_get_signal+0x10/0x10 [ 55.470094][ C1] ? __pfx_force_sig_fault+0x10/0x10 [ 55.475369][ C1] ? rcu_is_watching+0x15/0xb0 [ 55.480175][ C1] arch_do_signal_or_restart+0x96/0x860 [ 55.485727][ C1] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 55.491986][ C1] ? rcu_is_watching+0x15/0xb0 [ 55.497031][ C1] irqentry_exit_to_user_mode+0x7e/0x250 [ 55.502669][ C1] exc_page_fault+0x590/0x8c0 [ 55.507337][ C1] asm_exc_page_fault+0x26/0x30 [ 55.512178][ C1] RIP: 0033:0x7f1e0250095e [ 55.516614][ C1] Code: fd d7 c9 0f bc d1 c5 fe 7f 27 c5 fe 7f 6f 20 c5 fe 7f 77 40 c5 fe 7f 7f 60 49 83 c0 1f 49 29 d0 48 8d 7c 17 61 e9 d2 04 00 00 fe 6f 1e c5 fe 6f 56 20 c5 fd 74 cb c5 fd d7 d1 49 83 f8 21 0f [ 55.536228][ C1] RSP: 002b:00007ffd4b194448 EFLAGS: 00010287 [ 55.542563][ C1] RAX: 00007ffd4b1944a0 RBX: 0000000000000000 RCX: 0000000000000000 [ 55.550564][ C1] RDX: 00000000000000e0 RSI: 0000000000000000 RDI: 00007ffd4b1944a0 [ 55.558632][ C1] RBP: 0000000020000180 R08: 00000000000000e0 R09: 00007ffd4b194480 [ 55.566603][ C1] R10: 0000000000000000 R11: 0000000000000217 R12: 00007ffd4b1944a0 [ 55.574664][ C1] R13: 0000000000000006 R14: 431bde82d7b634db R15: 00007ffd4b19446c [ 55.582639][ C1] [ 55.585663][ C1] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 55.592945][ C1] CPU: 1 UID: 0 PID: 5878 Comm: syz-executor346 Not tainted 6.12.0-rc6-next-20241108-syzkaller #0 [ 55.603618][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 55.614028][ C1] Call Trace: [ 55.617300][ C1] [ 55.620127][ C1] dump_stack_lvl+0x241/0x360 [ 55.624817][ C1] ? __pfx_dump_stack_lvl+0x10/0x10 [ 55.630097][ C1] ? __pfx__printk+0x10/0x10 [ 55.634785][ C1] ? vscnprintf+0x5d/0x90 [ 55.639114][ C1] panic+0x349/0x880 [ 55.642996][ C1] ? __warn+0x177/0x4e0 [ 55.647152][ C1] ? __pfx_panic+0x10/0x10 [ 55.651547][ C1] __warn+0x34b/0x4e0 [ 55.655506][ C1] ? posixtimer_send_sigqueue+0x9da/0xbc0 [ 55.661214][ C1] report_bug+0x2b3/0x500 [ 55.665519][ C1] ? posixtimer_send_sigqueue+0x9da/0xbc0 [ 55.671262][ C1] handle_bug+0x60/0x90 [ 55.675424][ C1] exc_invalid_op+0x1a/0x50 [ 55.680046][ C1] asm_exc_invalid_op+0x1a/0x20 [ 55.684896][ C1] RIP: 0010:posixtimer_send_sigqueue+0x9da/0xbc0 [ 55.691217][ C1] Code: df 80 3c 08 00 74 08 48 89 df e8 c1 ad a5 00 4c 89 2b eb 51 e8 a7 32 3b 00 41 be 02 00 00 00 e9 e9 fd ff ff e8 97 32 3b 00 90 <0f> 0b 90 e9 f2 fa ff ff 4c 89 ef e8 86 33 5a 03 84 c0 0f 84 aa 01 [ 55.711343][ C1] RSP: 0018:ffffc90000a18bc0 EFLAGS: 00010006 [ 55.717393][ C1] RAX: ffffffff81644979 RBX: 0000000000000000 RCX: ffff888035291e00 [ 55.725340][ C1] RDX: 0000000000010000 RSI: 000000000000001e RDI: 0000000000000009 [ 55.733290][ C1] RBP: ffffc90000a18cc0 R08: ffffffff816450cc R09: 1ffffffff203910e [ 55.741344][ C1] R10: dffffc0000000000 R11: fffffbfff203910f R12: ffff88807c8b9ac4 [ 55.749307][ C1] R13: 1ffff1100f917358 R14: ffff88807c8b9a40 R15: ffff88807c8b9b00 [ 55.757281][ C1] ? prepare_signal+0x25c/0xc90 [ 55.762156][ C1] ? posixtimer_send_sigqueue+0x9d9/0xbc0 [ 55.767865][ C1] ? posixtimer_send_sigqueue+0xd2/0xbc0 [ 55.773481][ C1] ? __pfx_posixtimer_send_sigqueue+0x10/0x10 [ 55.779629][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 55.785594][ C1] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 55.791902][ C1] alarm_handle_timer+0x2f/0x60 [ 55.796768][ C1] ? __pfx_alarm_handle_timer+0x10/0x10 [ 55.802319][ C1] alarmtimer_fired+0x173/0x410 [ 55.807250][ C1] ? __pfx_alarmtimer_fired+0x10/0x10 [ 55.812608][ C1] __hrtimer_run_queues+0x59b/0xd50 [ 55.817816][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 55.823534][ C1] ? sched_clock+0x4a/0x70 [ 55.827940][ C1] ? read_tsc+0x9/0x20 [ 55.831997][ C1] ? ktime_get_update_offsets_now+0x393/0x3b0 [ 55.838056][ C1] hrtimer_interrupt+0x403/0xa40 [ 55.842992][ C1] __sysvec_apic_timer_interrupt+0x110/0x420 [ 55.848950][ C1] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 55.854580][ C1] [ 55.857494][ C1] [ 55.860405][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 55.866369][ C1] RIP: 0010:__sanitizer_cov_trace_switch+0xc3/0x120 [ 55.872966][ C1] Code: 8b 74 d6 10 65 8b 05 94 52 64 7e 25 00 01 ff 00 74 11 3d 00 01 00 00 75 de 41 83 bb 1c 16 00 00 00 74 d4 41 8b 83 f8 15 00 00 <83> f8 03 75 c8 49 8b 8b 00 16 00 00 45 8b bb fc 15 00 00 49 c1 e7 [ 55.892757][ C1] RSP: 0018:ffffc900040e6bb0 EFLAGS: 00000246 [ 55.898826][ C1] RAX: 0000000000000000 RBX: 0000000020e5a000 RCX: ffff888035291e00 [ 55.906791][ C1] RDX: 0000000000000001 RSI: ffffffff9003aed0 RDI: 0000000000000003 [ 55.914742][ C1] RBP: 0000000000000003 R08: 0000000000000005 R09: ffffffff8bbb3dab [ 55.922791][ C1] R10: 0000000000000004 R11: ffff888035291e00 R12: dffffc0000000000 [ 55.931000][ C1] R13: 00007f1e024d0fff R14: 0000000000000001 R15: 0000000000000000 [ 55.938967][ C1] ? mtree_range_walk+0x3eb/0x8e0 [ 55.944079][ C1] mtree_range_walk+0x3eb/0x8e0 [ 55.949149][ C1] mt_find+0x3a8/0x920 [ 55.953609][ C1] ? finish_task_switch+0x1e5/0x870 [ 55.958837][ C1] ? mt_find+0x2a9/0x920 [ 55.963062][ C1] ? __pfx_mt_find+0x10/0x10 [ 55.967809][ C1] find_vma+0xf9/0x170 [ 55.971859][ C1] ? __pfx_find_vma+0x10/0x10 [ 55.977906][ C1] ? vma_is_secretmem+0xd/0x50 [ 55.983434][ C1] ? check_vma_flags+0x4fa/0x5a0 [ 55.988364][ C1] __get_user_pages+0x4b3/0x49e0 [ 55.993286][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 55.998297][ C1] ? __pfx___get_user_pages+0x10/0x10 [ 56.003646][ C1] ? get_dump_page+0xe2/0x2f0 [ 56.008301][ C1] ? __pfx_down_read_killable+0x10/0x10 [ 56.013824][ C1] ? __up_read+0x2c2/0x6b0 [ 56.018222][ C1] ? __pfx___up_read+0x10/0x10 [ 56.022967][ C1] ? __kernel_write_iter+0x725/0x940 [ 56.028234][ C1] get_dump_page+0x155/0x2f0 [ 56.032803][ C1] ? __pfx___might_resched+0x10/0x10 [ 56.038071][ C1] ? __pfx_get_dump_page+0x10/0x10 [ 56.043162][ C1] ? __pfx_alloc_pages_mpol_noprof+0x10/0x10 [ 56.049121][ C1] ? iov_iter_bvec+0x4e/0x180 [ 56.053787][ C1] dump_user_range+0x14d/0x970 [ 56.058531][ C1] ? __pfx_dump_user_range+0x10/0x10 [ 56.063879][ C1] ? __pfx_elf_coredump_extra_notes_write+0x10/0x10 [ 56.070482][ C1] ? __kmalloc_cache_noprof+0x243/0x390 [ 56.076038][ C1] ? dump_emit+0x99/0xd0 [ 56.080273][ C1] elf_core_dump+0x3e9f/0x4790 [ 56.085093][ C1] ? __pfx_elf_core_dump+0x10/0x10 [ 56.090221][ C1] ? sort+0xdb/0x120 [ 56.094115][ C1] ? __pfx_cmp_vma_size+0x10/0x10 [ 56.099135][ C1] ? mas_find+0x950/0xbb0 [ 56.103446][ C1] ? __pfx___might_resched+0x10/0x10 [ 56.108713][ C1] ? getname_kernel+0x140/0x2f0 [ 56.113544][ C1] ? preempt_count_add+0x93/0x190 [ 56.118554][ C1] do_coredump+0x214b/0x2e60 [ 56.123121][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 56.129458][ C1] ? __pfx_do_coredump+0x10/0x10 [ 56.134550][ C1] ? lock_acquire+0xe3/0x550 [ 56.139137][ C1] ? do_raw_spin_lock+0x14f/0x370 [ 56.144148][ C1] ? rcu_is_watching+0x15/0xb0 [ 56.148900][ C1] ? lock_release+0xbf/0xa30 [ 56.153484][ C1] ? proc_coredump_connector+0x1e8/0x750 [ 56.159095][ C1] ? __pfx_lock_release+0x10/0x10 [ 56.164113][ C1] ? __pfx_proc_coredump_connector+0x10/0x10 [ 56.170080][ C1] ? rcu_is_watching+0x15/0xb0 [ 56.174834][ C1] get_signal+0x140b/0x1750 [ 56.179321][ C1] ? __pfx_get_signal+0x10/0x10 [ 56.184180][ C1] ? __pfx_force_sig_fault+0x10/0x10 [ 56.189441][ C1] ? rcu_is_watching+0x15/0xb0 [ 56.194196][ C1] arch_do_signal_or_restart+0x96/0x860 [ 56.199749][ C1] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 56.205901][ C1] ? rcu_is_watching+0x15/0xb0 [ 56.210664][ C1] irqentry_exit_to_user_mode+0x7e/0x250 [ 56.216299][ C1] exc_page_fault+0x590/0x8c0 [ 56.220967][ C1] asm_exc_page_fault+0x26/0x30 [ 56.225802][ C1] RIP: 0033:0x7f1e0250095e [ 56.230222][ C1] Code: fd d7 c9 0f bc d1 c5 fe 7f 27 c5 fe 7f 6f 20 c5 fe 7f 77 40 c5 fe 7f 7f 60 49 83 c0 1f 49 29 d0 48 8d 7c 17 61 e9 d2 04 00 00 fe 6f 1e c5 fe 6f 56 20 c5 fd 74 cb c5 fd d7 d1 49 83 f8 21 0f [ 56.249824][ C1] RSP: 002b:00007ffd4b194448 EFLAGS: 00010287 [ 56.256053][ C1] RAX: 00007ffd4b1944a0 RBX: 0000000000000000 RCX: 0000000000000000 [ 56.264142][ C1] RDX: 00000000000000e0 RSI: 0000000000000000 RDI: 00007ffd4b1944a0 [ 56.272209][ C1] RBP: 0000000020000180 R08: 00000000000000e0 R09: 00007ffd4b194480 [ 56.280184][ C1] R10: 0000000000000000 R11: 0000000000000217 R12: 00007ffd4b1944a0 [ 56.288595][ C1] R13: 0000000000000006 R14: 431bde82d7b634db R15: 00007ffd4b19446c [ 56.297366][ C1] [ 57.365813][ C1] Shutting down cpus with NMI [ 57.370793][ C1] Kernel Offset: disabled [ 57.375198][ C1] Rebooting in 86400 seconds..