./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2082787024 <...> Warning: Permanently added '10.128.0.235' (ED25519) to the list of known hosts. execve("./syz-executor2082787024", ["./syz-executor2082787024"], 0x7fff32fef1b0 /* 10 vars */) = 0 brk(NULL) = 0x555571cf2000 brk(0x555571cf2d00) = 0x555571cf2d00 arch_prctl(ARCH_SET_FS, 0x555571cf2380) = 0 set_tid_address(0x555571cf2650) = 296 set_robust_list(0x555571cf2660, 24) = 0 rseq(0x555571cf2ca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2082787024", 4096) = 28 getrandom("\x75\xa7\x99\x12\xa8\xc5\x67\xb0", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555571cf2d00 brk(0x555571d13d00) = 0x555571d13d00 brk(0x555571d14000) = 0x555571d14000 mprotect(0x7f39d9e96000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 297 attached [pid 297] set_robust_list(0x555571cf2660, 24) = 0 [pid 296] <... clone resumed>, child_tidptr=0x555571cf2650) = 297 [pid 297] mkdir("./syzkaller.01XtRZ", 0700 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... mkdir resumed>) = 0 [pid 296] <... clone resumed>, child_tidptr=0x555571cf2650) = 298 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] chmod("./syzkaller.01XtRZ", 0777) = 0 [pid 296] <... clone resumed>, child_tidptr=0x555571cf2650) = 299 [pid 297] chdir("./syzkaller.01XtRZ") = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] unshare(CLONE_NEWPID) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... clone resumed>, child_tidptr=0x555571cf2650) = 300 [pid 297] <... clone resumed>, child_tidptr=0x555571cf2650) = 301 ./strace-static-x86_64: Process 298 attached [pid 298] set_robust_list(0x555571cf2660, 24) = 0 [pid 298] mkdir("./syzkaller.CkHHrz", 0700) = 0 [pid 298] chmod("./syzkaller.CkHHrz", 0777) = 0 [pid 298] chdir("./syzkaller.CkHHrz") = 0 [pid 298] unshare(CLONE_NEWPID) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555571cf2650) = 302 ./strace-static-x86_64: Process 299 attached [pid 299] set_robust_list(0x555571cf2660, 24) = 0 [pid 299] mkdir("./syzkaller.BuRNRq", 0700) = 0 [pid 299] chmod("./syzkaller.BuRNRq", 0777) = 0 [pid 299] chdir("./syzkaller.BuRNRq") = 0 [pid 299] unshare(CLONE_NEWPID) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555571cf2650) = 303 ./strace-static-x86_64: Process 300 attached [pid 300] set_robust_list(0x555571cf2660, 24) = 0 [pid 300] mkdir("./syzkaller.U70EcW", 0700) = 0 [pid 300] chmod("./syzkaller.U70EcW", 0777) = 0 [pid 300] chdir("./syzkaller.U70EcW") = 0 [pid 300] unshare(CLONE_NEWPID) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555571cf2650) = 304 ./strace-static-x86_64: Process 301 attached [pid 301] set_robust_list(0x555571cf2660, 24) = 0 [pid 301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 301] getppid() = 0 [pid 301] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 301] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 301] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 301] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 301] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 301] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 301] unshare(CLONE_NEWNS) = 0 [pid 301] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 301] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 301] unshare(CLONE_NEWCGROUP) = 0 [pid 301] unshare(CLONE_NEWUTS) = 0 [pid 301] unshare(CLONE_SYSVSEM) = 0 [pid 301] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 301] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 301] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 301] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 301] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 301] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 301] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 301] getpid() = 1 [pid 301] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 302] set_robust_list(0x555571cf2660, 24 [pid 303] set_robust_list(0x555571cf2660, 24 [pid 304] set_robust_list(0x555571cf2660, 24 [pid 302] <... set_robust_list resumed>) = 0 [pid 303] <... set_robust_list resumed>) = 0 [pid 303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] <... set_robust_list resumed>) = 0 [pid 302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 301] <... unshare resumed>) = 0 [pid 301] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 301] write(3, "0 65535", 7) = 7 [pid 301] close(3) = 0 [pid 301] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 301] write(3, "100000", 6) = 6 [pid 301] close(3) = 0 [pid 301] mkdir("./syz-tmp", 0777) = 0 [pid 301] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0 [pid 301] mkdir("./syz-tmp/newroot", 0777) = 0 [pid 301] mkdir("./syz-tmp/newroot/dev", 0700) = 0 [pid 301] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 301] mkdir("./syz-tmp/newroot/proc", 0700) = 0 [pid 301] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0 [pid 301] mkdir("./syz-tmp/newroot/selinux", 0700) = 0 [pid 301] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 301] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 301] mkdir("./syz-tmp/newroot/sys", 0700) = 0 [pid 301] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 301] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 301] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 301] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 302] <... prctl resumed>) = 0 [pid 304] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 303] <... prctl resumed>) = 0 [pid 302] getppid( [pid 301] <... mount resumed>) = 0 [pid 304] <... prctl resumed>) = 0 [pid 303] getppid( [pid 302] <... getppid resumed>) = 0 [pid 301] mkdir("./syz-tmp/newroot/syz-inputs", 0700 [pid 302] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 303] <... getppid resumed>) = 0 [pid 304] getppid() = 0 [pid 303] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 302] <... prlimit64 resumed>NULL) = 0 [pid 301] <... mkdir resumed>) = 0 [pid 301] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 301] mkdir("./syz-tmp/pivot", 0777) = 0 [pid 301] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0 [pid 301] chdir("/") = 0 [pid 301] umount2("./pivot", MNT_DETACH [pid 304] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 304] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 304] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 304] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 304] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 304] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 304] unshare(CLONE_NEWNS) = 0 [pid 304] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 304] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 304] unshare(CLONE_NEWCGROUP) = 0 [pid 304] unshare(CLONE_NEWUTS) = 0 [pid 304] unshare(CLONE_SYSVSEM) = 0 [pid 304] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 304] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 304] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 304] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 304] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 304] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 304] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 304] getpid() = 1 [pid 304] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 303] <... prlimit64 resumed>NULL) = 0 [pid 302] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 304] <... mount resumed>) = 0 [pid 303] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 302] <... prlimit64 resumed>NULL) = 0 [pid 301] <... umount2 resumed>) = 0 [pid 304] mkdir("./syz-tmp/newroot", 0777 [pid 301] chroot("./newroot" [pid 304] <... mkdir resumed>) = 0 [pid 301] <... chroot resumed>) = 0 [pid 301] chdir("/") = 0 [pid 304] mkdir("./syz-tmp/newroot/dev", 0700 [pid 301] mkdir("/dev/gadgetfs", 0777 [pid 304] <... mkdir resumed>) = 0 [pid 301] <... mkdir resumed>) = 0 [pid 304] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 301] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 304] mkdir("./syz-tmp/newroot/proc", 0700 [pid 301] <... mount resumed>) = -1 ENODEV (No such device) [pid 304] <... mkdir resumed>) = 0 [pid 304] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 301] mkdir("/dev/binderfs", 0777) = 0 [pid 304] <... mount resumed>) = 0 [pid 301] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 304] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 301] <... mount resumed>) = 0 [pid 304] <... mkdir resumed>) = 0 [pid 304] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 304] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 304] mkdir("./syz-tmp/newroot/sys", 0700) = 0 [pid 304] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 301] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 304] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 301] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 304] <... mount resumed>) = 0 [pid 304] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 301] mkdir("./0", 0777 [pid 304] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 301] <... mkdir resumed>) = 0 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0 [pid 304] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 304] mkdir("./syz-tmp/pivot", 0777) = 0 [pid 304] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0 [pid 301] <... clone resumed>, child_tidptr=0x555571cf2650) = 2 [pid 304] chdir("/") = 0 [pid 304] umount2("./pivot", MNT_DETACH [pid 303] <... prlimit64 resumed>NULL) = 0 [pid 303] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 303] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 303] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 303] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 303] unshare(CLONE_NEWNS) = 0 [pid 303] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 303] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 303] unshare(CLONE_NEWCGROUP) = 0 [pid 303] unshare(CLONE_NEWUTS) = 0 [pid 303] unshare(CLONE_SYSVSEM) = 0 [pid 303] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 303] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 303] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 303] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 303] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 303] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 303] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 303] getpid() = 1 [pid 303] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 302] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 304] <... umount2 resumed>) = 0 [pid 302] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, ./strace-static-x86_64: Process 305 attached NULL) = 0 [pid 302] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 305] set_robust_list(0x555571cf2660, 24 [pid 302] <... prlimit64 resumed>NULL) = 0 [pid 304] chroot("./newroot" [pid 303] <... unshare resumed>) = 0 [pid 304] <... chroot resumed>) = 0 [pid 304] chdir("/") = 0 [pid 304] mkdir("/dev/gadgetfs", 0777) = -1 EEXIST (File exists) [pid 304] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device) [ 23.691491][ T36] audit: type=1400 audit(1752387971.109:66): avc: denied { mounton } for pid=301 comm="syz-executor208" path="/root/syzkaller.01XtRZ/syz-tmp" dev="sda1" ino=2028 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 23.716962][ T36] audit: type=1400 audit(1752387971.109:67): avc: denied { mount } for pid=301 comm="syz-executor208" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1 [pid 304] mkdir("/dev/binderfs", 0777) = -1 EEXIST (File exists) [pid 304] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0 [pid 304] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 304] mkdir("./0", 0777) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555571cf2650) = 2 [pid 303] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 303] write(3, "0 65535", 7) = 7 [pid 303] close(3) = 0 [pid 303] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 303] write(3, "100000", 6) = 6 [pid 303] close(3) = 0 [pid 303] mkdir("./syz-tmp", 0777) = 0 [pid 303] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0 [pid 303] mkdir("./syz-tmp/newroot", 0777) = 0 [pid 303] mkdir("./syz-tmp/newroot/dev", 0700) = 0 [pid 303] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 303] mkdir("./syz-tmp/newroot/proc", 0700) = 0 [pid 303] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0 [pid 303] mkdir("./syz-tmp/newroot/selinux", 0700) = 0 [pid 303] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 303] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 303] mkdir("./syz-tmp/newroot/sys", 0700) = 0 [pid 303] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 303] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 303] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 303] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 303] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0 [pid 303] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 303] mkdir("./syz-tmp/pivot", 0777) = 0 [pid 303] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0 [pid 303] chdir("/") = 0 [pid 303] umount2("./pivot", MNT_DETACH [pid 305] <... set_robust_list resumed>) = 0 [pid 305] chdir("./0") = 0 [pid 305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 305] setpgid(0, 0) = 0 [pid 305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 305] write(3, "1000", 4) = 4 [pid 305] close(3) = 0 executing program [pid 305] symlink("/dev/binderfs", "./binderfs") = 0 [pid 305] write(1, "executing program\n", 18) = 18 [pid 305] getpid() = 2 [pid 305] pidfd_open(2, 0) = 3 [pid 305] setns(3, 0x24020000 /* CLONE_NEW??? */) = 0 [pid 305] umount2(".", MNT_DETACH [pid 302] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 302] unshare(CLONE_NEWNS) = 0 [pid 302] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 302] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 302] unshare(CLONE_NEWCGROUP) = 0 [pid 302] unshare(CLONE_NEWUTS) = 0 [pid 302] unshare(CLONE_SYSVSEM) = 0 [pid 302] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 306 attached [pid 303] <... umount2 resumed>) = 0 [pid 302] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 302] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 303] chroot("./newroot" [pid 302] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 303] <... chroot resumed>) = 0 [pid 303] chdir("/" [pid 302] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 303] <... chdir resumed>) = 0 [pid 302] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 303] mkdir("/dev/gadgetfs", 0777) = -1 EEXIST (File exists) [pid 303] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 302] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 303] <... mount resumed>) = -1 ENODEV (No such device) [pid 302] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 303] mkdir("/dev/binderfs", 0777 [pid 302] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 303] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 302] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 303] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0 [pid 302] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 302] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 302] getpid() = 1 [pid 302] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 303] mkdir("./0", 0777 [pid 302] <... capset resumed>) = 0 [pid 302] unshare(CLONE_NEWNET [pid 303] <... mkdir resumed>) = 0 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555571cf2650) = 2 [pid 302] <... unshare resumed>) = 0 [pid 302] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 302] write(3, "0 65535", 7) = 7 [pid 302] close(3) = 0 [pid 302] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 307 attached [pid 306] set_robust_list(0x555571cf2660, 24 [pid 305] <... umount2 resumed>) = 0 [pid 305] mount("./bus", "./bus", "incremental-fs", MS_NOSUID|MS_REC|MS_STRICTATIME, NULL) = -1 ENOENT (No such file or directory) [ 23.740207][ T36] audit: type=1400 audit(1752387971.109:68): avc: denied { mounton } for pid=301 comm="syz-executor208" path="/root/syzkaller.01XtRZ/syz-tmp/newroot/dev" dev="tmpfs" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1 [ 23.766573][ T36] audit: type=1400 audit(1752387971.109:69): avc: denied { mount } for pid=301 comm="syz-executor208" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1 [pid 305] chdir("./bus") = -1 ENOENT (No such file or directory) [ 23.789139][ T36] audit: type=1400 audit(1752387971.109:70): avc: denied { mounton } for pid=301 comm="syz-executor208" path="/root/syzkaller.01XtRZ/syz-tmp/newroot/sys/kernel/debug" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=dir permissive=1 [ 23.791082][ T305] ======================================================= [ 23.791082][ T305] WARNING: The mand mount option has been deprecated and [ 23.791082][ T305] and is ignored by this kernel. Remove the mand [ 23.791082][ T305] option from the mount to silence this warning. [pid 305] mkdirat(AT_FDCWD, "./file0", 072) = 0 [pid 305] mkdir("./file1", 000) = 0 [pid 305] mkdir("./bus", 000) = 0 [pid 305] mount(NULL, "./bus", "overlay", MS_MANDLOCK|MS_REC|MS_STRICTATIME, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 307] set_robust_list(0x555571cf2660, 24 [pid 306] <... set_robust_list resumed>) = 0 [pid 307] <... set_robust_list resumed>) = 0 [pid 306] chdir("./0" [pid 302] <... openat resumed>) = 3 [pid 307] chdir("./0") = 0 [pid 307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] setpgid(0, 0) = 0 [pid 307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] write(3, "1000", 4) = 4 [pid 307] close(3) = 0 [pid 307] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] write(1, "executing program\n", 18executing program ) = 18 [pid 307] getpid() = 2 [pid 307] pidfd_open(2, 0) = 3 [pid 307] setns(3, 0x24020000 /* CLONE_NEW??? */) = 0 [pid 307] umount2(".", MNT_DETACH [pid 306] <... chdir resumed>) = 0 [pid 306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] setpgid(0, 0) = 0 [pid 306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] write(3, "1000", 4) = 4 [pid 306] close(3) = 0 [pid 306] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 306] write(1, "executing program\n", 18) = 18 [pid 306] getpid() = 2 [pid 306] pidfd_open(2, 0) = 3 [pid 306] setns(3, 0x24020000 /* CLONE_NEW??? */) = 0 [pid 306] umount2(".", MNT_DETACH [pid 302] write(3, "100000", 6) = 6 [pid 302] close(3) = 0 [pid 302] mkdir("./syz-tmp", 0777) = 0 [pid 302] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0 [pid 302] mkdir("./syz-tmp/newroot", 0777) = 0 [pid 302] mkdir("./syz-tmp/newroot/dev", 0700) = 0 [pid 302] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 302] mkdir("./syz-tmp/newroot/proc", 0700) = 0 [pid 302] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0 [pid 302] mkdir("./syz-tmp/newroot/selinux", 0700) = 0 [pid 302] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 302] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 302] mkdir("./syz-tmp/newroot/sys", 0700) = 0 [pid 302] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 302] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 302] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 302] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 302] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0 [pid 302] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 302] mkdir("./syz-tmp/pivot", 0777) = 0 [pid 302] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0 [pid 302] chdir("/") = 0 [ 23.791082][ T305] ======================================================= [ 23.816530][ T36] audit: type=1400 audit(1752387971.119:71): avc: denied { mounton } for pid=301 comm="syz-executor208" path="/root/syzkaller.01XtRZ/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=3061 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1 [ 23.851558][ T305] overlayfs: failed to clone upperpath [pid 302] umount2("./pivot", MNT_DETACH [pid 305] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 305] close(3) = 0 [pid 305] close(4) = -1 EBADF (Bad file descriptor) [pid 305] close(5) = -1 EBADF (Bad file descriptor) [pid 305] close(6) = -1 EBADF (Bad file descriptor) [pid 305] close(7) = -1 EBADF (Bad file descriptor) [pid 305] close(8) = -1 EBADF (Bad file descriptor) [pid 305] close(9) = -1 EBADF (Bad file descriptor) [pid 305] close(10) = -1 EBADF (Bad file descriptor) [pid 305] close(11) = -1 EBADF (Bad file descriptor) [pid 305] close(12) = -1 EBADF (Bad file descriptor) [pid 305] close(13) = -1 EBADF (Bad file descriptor) [pid 305] close(14) = -1 EBADF (Bad file descriptor) [pid 305] close(15) = -1 EBADF (Bad file descriptor) [pid 305] close(16) = -1 EBADF (Bad file descriptor) [pid 305] close(17) = -1 EBADF (Bad file descriptor) [pid 305] close(18) = -1 EBADF (Bad file descriptor) [pid 305] close(19) = -1 EBADF (Bad file descriptor) [pid 305] close(20) = -1 EBADF (Bad file descriptor) [pid 305] close(21) = -1 EBADF (Bad file descriptor) [pid 305] close(22) = -1 EBADF (Bad file descriptor) [pid 305] close(23) = -1 EBADF (Bad file descriptor) [pid 305] close(24) = -1 EBADF (Bad file descriptor) [pid 305] close(25) = -1 EBADF (Bad file descriptor) [pid 305] close(26) = -1 EBADF (Bad file descriptor) [pid 305] close(27) = -1 EBADF (Bad file descriptor) [pid 305] close(28) = -1 EBADF (Bad file descriptor) [pid 305] close(29) = -1 EBADF (Bad file descriptor) [pid 305] exit_group(0) = ? [pid 305] +++ exited with 0 +++ [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 301] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 301] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 301] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 301] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0 [pid 301] getdents64(3, 0x555571cf36f0 /* 3 entries */, 32768) = 80 [pid 301] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./0/binderfs") = 0 [pid 301] getdents64(3, 0x555571cf36f0 /* 0 entries */, 32768) = 0 [pid 301] close(3) = 0 [pid 301] rmdir("./0") = 0 [pid 301] mkdir("./1", 0777) = 0 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 308 attached , child_tidptr=0x555571cf2650) = 3 [pid 308] set_robust_list(0x555571cf2660, 24) = 0 [pid 308] chdir("./1") = 0 [pid 308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] setpgid(0, 0) = 0 [pid 308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 308] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] write(1, "executing program\n", 18executing program ) = 18 [pid 308] getpid() = 3 [pid 308] pidfd_open(3, 0) = 3 [pid 308] setns(3, 0x24020000 /* CLONE_NEW??? */) = 0 [pid 308] umount2(".", MNT_DETACH) = -1 EINVAL (Invalid argument) [pid 308] mount("./bus", "./bus", "incremental-fs", MS_NOSUID|MS_REC|MS_STRICTATIME, NULL) = -1 ENOENT (No such file or directory) [pid 307] <... umount2 resumed>) = 0 [pid 302] <... umount2 resumed>) = 0 [pid 308] chdir("./bus") = -1 ENOENT (No such file or directory) [pid 308] mkdirat(AT_FDCWD, "./file0", 072 [pid 307] mount("./bus", "./bus", "incremental-fs", MS_NOSUID|MS_REC|MS_STRICTATIME, NULL [pid 306] <... umount2 resumed>) = 0 [pid 308] <... mkdirat resumed>) = 0 [pid 302] chroot("./newroot" [pid 307] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 308] mkdir("./file1", 000 [pid 307] chdir("./bus" [pid 306] mount("./bus", "./bus", "incremental-fs", MS_NOSUID|MS_REC|MS_STRICTATIME, NULL [pid 302] <... chroot resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... chdir resumed>) = -1 ENOENT (No such file or directory) [pid 302] chdir("/" [pid 307] mkdirat(AT_FDCWD, "./file0", 072 [pid 302] <... chdir resumed>) = 0 [pid 308] mkdir("./bus", 000 [pid 306] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... mkdir resumed>) = 0 [pid 302] mkdir("/dev/gadgetfs", 0777 [pid 306] chdir("./bus" [pid 308] mount(NULL, "./bus", "overlay", MS_MANDLOCK|MS_REC|MS_STRICTATIME, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 306] <... chdir resumed>) = -1 ENOENT (No such file or directory) [pid 302] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 302] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device) [pid 302] mkdir("/dev/binderfs", 0777) = -1 EEXIST (File exists) [pid 302] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0 [pid 302] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 302] mkdir("./0", 0777) = 0 [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555571cf2650) = 2 ./strace-static-x86_64: Process 309 attached [pid 309] set_robust_list(0x555571cf2660, 24) = 0 [pid 309] chdir("./0") = 0 [pid 309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] setpgid(0, 0) = 0 [pid 309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] write(3, "1000", 4) = 4 [pid 309] close(3) = 0 [pid 309] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] write(1, "executing program\n", 18) = 18 [pid 309] getpid() = 2 [pid 309] pidfd_open(2, 0) = 3 [pid 309] setns(3, 0x24020000 /* CLONE_NEW??? */) = 0 [pid 309] umount2(".", MNT_DETACH [pid 307] <... mkdirat resumed>) = 0 [pid 307] mkdir("./file1", 000) = 0 [pid 307] mkdir("./bus", 000) = 0 [pid 307] mount(NULL, "./bus", "overlay", MS_MANDLOCK|MS_REC|MS_STRICTATIME, "workdir=./bus,lowerdir=./file0,upperdir=./file1,"executing program [pid 309] <... umount2 resumed>) = 0 [pid 306] mkdirat(AT_FDCWD, "./file0", 072 [pid 309] mount("./bus", "./bus", "incremental-fs", MS_NOSUID|MS_REC|MS_STRICTATIME, NULL) = -1 ENOENT (No such file or directory) [pid 309] chdir("./bus") = -1 ENOENT (No such file or directory) [pid 309] mkdirat(AT_FDCWD, "./file0", 072) = 0 [pid 309] mkdir("./file1", 000) = 0 [pid 309] mkdir("./bus", 000) = 0 [ 23.878736][ T36] audit: type=1400 audit(1752387971.119:72): avc: denied { unmount } for pid=301 comm="syz-executor208" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 23.904049][ T36] audit: type=1400 audit(1752387971.139:73): avc: denied { mounton } for pid=301 comm="syz-executor208" path="/dev/gadgetfs" dev="devtmpfs" ino=434 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 23.931501][ T308] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 23.934932][ T307] overlayfs: failed to clone upperpath [pid 309] mount(NULL, "./bus", "overlay", MS_MANDLOCK|MS_REC|MS_STRICTATIME, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 306] <... mkdirat resumed>) = 0 [pid 306] mkdir("./file1", 000) = 0 [pid 306] mkdir("./bus", 000) = 0 [pid 306] mount(NULL, "./bus", "overlay", MS_MANDLOCK|MS_REC|MS_STRICTATIME, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 309] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(3) = 0 [pid 309] close(4) = -1 EBADF (Bad file descriptor) [pid 309] close(5) = -1 EBADF (Bad file descriptor) [pid 309] close(6) = -1 EBADF (Bad file descriptor) [pid 309] close(7) = -1 EBADF (Bad file descriptor) [pid 309] close(8) = -1 EBADF (Bad file descriptor) [pid 309] close(9) = -1 EBADF (Bad file descriptor) [pid 309] close(10) = -1 EBADF (Bad file descriptor) [pid 309] close(11) = -1 EBADF (Bad file descriptor) [pid 309] close(12) = -1 EBADF (Bad file descriptor) [pid 309] close(13) = -1 EBADF (Bad file descriptor) [pid 309] close(14) = -1 EBADF (Bad file descriptor) [pid 309] close(15) = -1 EBADF (Bad file descriptor) [pid 309] close(16) = -1 EBADF (Bad file descriptor) [pid 309] close(17) = -1 EBADF (Bad file descriptor) [pid 309] close(18) = -1 EBADF (Bad file descriptor) [pid 309] close(19) = -1 EBADF (Bad file descriptor) [pid 309] close(20) = -1 EBADF (Bad file descriptor) [pid 309] close(21) = -1 EBADF (Bad file descriptor) [pid 309] close(22) = -1 EBADF (Bad file descriptor) [pid 309] close(23) = -1 EBADF (Bad file descriptor) [pid 309] close(24) = -1 EBADF (Bad file descriptor) [pid 309] close(25) = -1 EBADF (Bad file descriptor) [pid 309] close(26) = -1 EBADF (Bad file descriptor) [pid 309] close(27) = -1 EBADF (Bad file descriptor) [pid 309] close(28) = -1 EBADF (Bad file descriptor) [pid 309] close(29) = -1 EBADF (Bad file descriptor) [pid 309] exit_group(0) = ? [pid 309] +++ exited with 0 +++ [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 302] restart_syscall(<... resuming interrupted clone ...> [pid 307] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... mount resumed>) = 0 [pid 306] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(3 [pid 308] close(3 [pid 307] <... close resumed>) = 0 [pid 306] close(3 [pid 308] <... close resumed>) = 0 [pid 307] close(4 [pid 306] <... close resumed>) = 0 [pid 308] close(4 [pid 307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 307] close(5 [pid 306] close(4 [pid 308] close(5 [pid 307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 307] close(6 [pid 306] close(5 [pid 308] close(6 [pid 307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 307] close(7 [pid 306] close(6 [pid 308] close(7 [pid 307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 307] close(8 [pid 306] close(7 [pid 308] close(8 [pid 307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 307] close(9 [pid 306] close(8 [pid 308] close(9) = -1 EBADF (Bad file descriptor) [pid 307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] close(10 [pid 307] close(10 [pid 306] close(9 [pid 308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] close(11 [pid 307] close(11 [pid 306] close(10 [pid 308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] close(12 [pid 307] close(12 [pid 306] close(11 [pid 308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] close(13 [pid 307] close(13 [pid 306] close(12 [pid 308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] close(14 [pid 307] close(14 [pid 306] close(13 [pid 308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] close(15 [pid 307] close(15 [pid 306] close(14 [pid 308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] close(16 [pid 307] close(16 [pid 306] close(15 [pid 308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] close(17 [pid 307] close(17 [pid 306] close(16 [pid 308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] close(18 [pid 307] close(18 [pid 306] close(17 [pid 308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] close(19 [pid 307] close(19 [pid 306] close(18 [pid 308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] close(20 [pid 307] close(20 [pid 306] close(19 [pid 308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] close(21 [pid 307] close(21 [pid 306] close(20 [pid 308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] close(22 [pid 307] close(22 [pid 306] close(21 [pid 308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] close(23 [pid 307] close(23 [pid 306] close(22 [pid 308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] close(24 [pid 307] close(24 [pid 306] close(23 [pid 308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] close(25 [pid 307] close(25 [pid 306] close(24 [pid 302] <... restart_syscall resumed>) = 0 [pid 308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] close(26 [pid 307] close(26 [pid 306] close(25 [pid 308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] close(27 [pid 307] close(27 [pid 306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 306] close(26 [pid 302] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(28 [pid 307] close(28 [pid 306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 306] close(27 [pid 308] close(29 [pid 307] close(29 [pid 306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 306] close(28 [pid 308] exit_group(0 [pid 307] exit_group(0 [pid 306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... exit_group resumed>) = ? [pid 307] <... exit_group resumed>) = ? [pid 306] close(29 [pid 302] <... openat resumed>) = 3 [pid 302] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0 [pid 307] +++ exited with 0 +++ [pid 306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 308] +++ exited with 0 +++ [pid 302] getdents64(3, 0x555571cf36f0 /* 3 entries */, 32768) = 80 [pid 306] exit_group(0 [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 302] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... exit_group resumed>) = ? [pid 303] restart_syscall(<... resuming interrupted clone ...> [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 303] <... restart_syscall resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] +++ exited with 0 +++ [pid 302] unlink("./0/binderfs" [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 303] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 302] <... unlink resumed>) = 0 [pid 301] restart_syscall(<... resuming interrupted clone ...> [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] getdents64(3, [pid 301] <... restart_syscall resumed>) = 0 [pid 302] <... getdents64 resumed>0x555571cf36f0 /* 0 entries */, 32768) = 0 [pid 303] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 302] close(3 [pid 303] <... openat resumed>) = 3 [pid 302] <... close resumed>) = 0 [pid 302] rmdir("./0" [pid 303] newfstatat(3, "", [pid 302] <... rmdir resumed>) = 0 [pid 302] mkdir("./1", 0777 [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0 [pid 302] <... mkdir resumed>) = 0 [pid 303] getdents64(3, [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 303] <... getdents64 resumed>0x555571cf36f0 /* 3 entries */, 32768) = 80 [pid 301] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 303] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 310 attached [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./0/binderfs", [pid 301] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... openat resumed>) = 3 [pid 303] unlink("./0/binderfs" [pid 301] newfstatat(3, "", [pid 303] <... unlink resumed>) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0 [pid 310] set_robust_list(0x555571cf2660, 24 [pid 302] <... clone resumed>, child_tidptr=0x555571cf2650) = 3 [pid 303] getdents64(3, [pid 301] getdents64(3, [pid 303] <... getdents64 resumed>0x555571cf36f0 /* 0 entries */, 32768) = 0 [pid 310] <... set_robust_list resumed>) = 0 [pid 301] <... getdents64 resumed>0x555571cf36f0 /* 3 entries */, 32768) = 80 [pid 303] close(3) = 0 [pid 301] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] chdir("./1") = 0 [pid 303] rmdir("./0" [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 303] <... rmdir resumed>) = 0 [pid 301] newfstatat(AT_FDCWD, "./1/binderfs", [pid 310] <... prctl resumed>) = 0 [pid 303] mkdir("./1", 0777 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] setpgid(0, 0 [pid 303] <... mkdir resumed>) = 0 [pid 310] <... setpgid resumed>) = 0 [pid 301] unlink("./1/binderfs" [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 301] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 301] getdents64(3, ./strace-static-x86_64: Process 311 attached 0x555571cf36f0 /* 0 entries */, 32768) = 0 [pid 310] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 301] close(3 [pid 311] set_robust_list(0x555571cf2660, 24 [pid 303] <... clone resumed>, child_tidptr=0x555571cf2650) = 3 [pid 301] <... close resumed>) = 0 [pid 311] <... set_robust_list resumed>) = 0 [pid 301] rmdir("./1" [pid 311] chdir("./1" [pid 301] <... rmdir resumed>) = 0 [pid 311] <... chdir resumed>) = 0 [pid 301] mkdir("./2", 0777 [pid 311] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 301] <... mkdir resumed>) = 0 [pid 311] <... prctl resumed>) = 0 [pid 311] setpgid(0, 0 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 311] <... setpgid resumed>) = 0 [pid 310] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 312 attached [pid 311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... symlink resumed>) = 0 [pid 312] set_robust_list(0x555571cf2660, 24executing program [pid 310] write(1, "executing program\n", 18 [pid 312] <... set_robust_list resumed>) = 0 [pid 311] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 301] <... clone resumed>, child_tidptr=0x555571cf2650) = 4 [pid 312] chdir("./2" [pid 310] <... write resumed>) = 18 [pid 312] <... chdir resumed>) = 0 [pid 311] symlink("/dev/binderfs", "./binderfs" [pid 310] getpid( [pid 312] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] <... symlink resumed>) = 0 [pid 310] <... getpid resumed>) = 3 [pid 312] <... prctl resumed>) = 0 executing program [pid 312] setpgid(0, 0 [pid 311] write(1, "executing program\n", 18 [pid 310] pidfd_open(3, 0 [pid 312] <... setpgid resumed>) = 0 [pid 312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 311] <... write resumed>) = 18 [pid 310] <... pidfd_open resumed>) = 3 [pid 311] getpid( [pid 312] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 311] <... getpid resumed>) = 3 [pid 311] pidfd_open(3, 0 [pid 310] setns(3, 0x24020000 /* CLONE_NEW??? */ [pid 312] symlink("/dev/binderfs", "./binderfs" [pid 311] <... pidfd_open resumed>) = 3 [pid 310] <... setns resumed>) = 0 [pid 312] <... symlink resumed>) = 0 [pid 311] setns(3, 0x24020000 /* CLONE_NEW??? */ [pid 312] write(1, "executing program\n", 18 [pid 311] <... setns resumed>) = 0 [pid 310] umount2(".", MNT_DETACH) = -1 EINVAL (Invalid argument) [pid 310] mount("./bus", "./bus", "incremental-fs", MS_NOSUID|MS_REC|MS_STRICTATIME, NULLexecuting program [pid 312] <... write resumed>) = 18 [pid 311] umount2(".", MNT_DETACH [pid 312] getpid( [pid 311] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 312] <... getpid resumed>) = 4 [pid 311] mount("./bus", "./bus", "incremental-fs", MS_NOSUID|MS_REC|MS_STRICTATIME, NULL [pid 312] pidfd_open(4, 0 [pid 310] <... mount resumed>) = 0 [pid 312] <... pidfd_open resumed>) = 3 [pid 311] <... mount resumed>) = 0 [pid 312] setns(3, 0x24020000 /* CLONE_NEW??? */ [pid 310] chdir("./bus") = 0 [pid 310] mkdirat(AT_FDCWD, "./file0", 072 [pid 312] <... setns resumed>) = 0 [pid 311] chdir("./bus" [pid 312] umount2(".", MNT_DETACH [pid 311] <... chdir resumed>) = 0 [pid 312] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 311] mkdirat(AT_FDCWD, "./file0", 072 [pid 312] mount("./bus", "./bus", "incremental-fs", MS_NOSUID|MS_REC|MS_STRICTATIME, NULL [pid 310] <... mkdirat resumed>) = 0 [pid 310] mkdir("./file1", 000) = 0 [pid 312] <... mount resumed>) = 0 [pid 310] mkdir("./bus", 000 [pid 312] chdir("./bus" [pid 311] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 311] mkdir("./file1", 000 [pid 312] <... chdir resumed>) = 0 [pid 311] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 310] <... mkdir resumed>) = 0 [pid 311] mkdir("./bus", 000 [pid 310] mount(NULL, "./bus", "overlay", MS_MANDLOCK|MS_REC|MS_STRICTATIME, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 304] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 312] mkdirat(AT_FDCWD, "./file0", 072 [pid 311] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 304] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 304] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 311] mount(NULL, "./bus", "overlay", MS_MANDLOCK|MS_REC|MS_STRICTATIME, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 304] <... openat resumed>) = 3 [pid 312] <... mkdirat resumed>) = 0 [pid 304] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0 [ 23.938894][ T308] overlayfs: failed to set xattr on upper [ 23.946168][ T309] overlayfs: failed to clone upperpath [ 23.950190][ T308] overlayfs: ...falling back to redirect_dir=nofollow. [ 23.957378][ T306] overlayfs: failed to clone upperpath [ 23.962083][ T308] overlayfs: ...falling back to uuid=null. [pid 304] getdents64(3, executing program 0x555571cf36f0 /* 3 entries */, 32768) = 80 [pid 304] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 304] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 304] unlink("./0/binderfs") = 0 [pid 304] getdents64(3, 0x555571cf36f0 /* 0 entries */, 32768) = 0 [pid 304] close(3) = 0 [pid 304] rmdir("./0") = 0 [pid 304] mkdir("./1", 0777) = 0 [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555571cf2650) = 3 ./strace-static-x86_64: Process 313 attached [pid 313] set_robust_list(0x555571cf2660, 24) = 0 [pid 313] chdir("./1") = 0 [pid 313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 313] setpgid(0, 0) = 0 [pid 313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 313] symlink("/dev/binderfs", "./binderfs") = 0 [pid 313] write(1, "executing program\n", 18) = 18 [pid 313] getpid() = 3 [pid 313] pidfd_open(3, 0) = 3 [pid 313] setns(3, 0x24020000 /* CLONE_NEW??? */) = 0 [pid 313] umount2(".", MNT_DETACH) = -1 EINVAL (Invalid argument) [pid 313] mount("./bus", "./bus", "incremental-fs", MS_NOSUID|MS_REC|MS_STRICTATIME, NULL) = 0 [pid 313] chdir("./bus") = 0 [pid 313] mkdirat(AT_FDCWD, "./file0", 072 [pid 312] mkdir("./file1", 000 [pid 313] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 312] <... mkdir resumed>) = 0 [pid 313] mkdir("./file1", 000 [pid 312] mkdir("./bus", 000 [pid 313] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 312] <... mkdir resumed>) = 0 [pid 312] mount(NULL, "./bus", "overlay", MS_MANDLOCK|MS_REC|MS_STRICTATIME, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 313] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 313] mount(NULL, "./bus", "overlay", MS_MANDLOCK|MS_REC|MS_STRICTATIME, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 310] <... mount resumed>) = -1 EACCES (Permission denied) [pid 313] <... mount resumed>) = -1 EACCES (Permission denied) [pid 312] <... mount resumed>) = -1 EACCES (Permission denied) [pid 313] close(3 [pid 311] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 313] <... close resumed>) = 0 [pid 311] close(3 [pid 313] close(4 [pid 311] <... close resumed>) = 0 [pid 313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(4 [pid 313] close(5) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(6 [pid 311] close(5 [pid 313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(7 [pid 311] close(6 [pid 313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(8 [pid 311] close(7 [pid 313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(9) = -1 EBADF (Bad file descriptor) [pid 311] close(8 [pid 313] close(10 [pid 311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(9 [pid 313] close(11 [pid 311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(10 [pid 313] close(12 [pid 311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(11 [pid 313] close(13 [pid 311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(12 [pid 313] close(14 [pid 311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(15 [pid 311] close(13 [pid 313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(16 [pid 311] close(14 [pid 313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(17 [pid 311] close(15 [pid 313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(18 [pid 311] close(16 [pid 313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(19 [pid 311] close(17 [pid 313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(20 [pid 311] close(18 [pid 313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(21 [pid 311] close(19 [pid 313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(22 [pid 311] close(20 [pid 313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(23 [pid 311] close(21 [pid 313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(24 [pid 311] close(22 [pid 313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] close(25 [pid 311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(23 [pid 313] close(26 [pid 311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(24 [pid 313] close(27 [pid 311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(25 [pid 313] close(28 [pid 311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(26 [pid 313] close(29 [pid 311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(27 [pid 313] exit_group(0 [pid 311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] close(28) = -1 EBADF (Bad file descriptor) [pid 313] <... exit_group resumed>) = ? [pid 311] close(29 [pid 312] close(3 [pid 310] close(3 [pid 312] <... close resumed>) = 0 [pid 311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = 0 [pid 313] +++ exited with 0 +++ [pid 312] close(4 [pid 311] exit_group(0 [pid 310] close(4 [pid 312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 312] close(5 [pid 311] <... exit_group resumed>) = ? [pid 310] close(5 [pid 304] restart_syscall(<... resuming interrupted clone ...> [pid 312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 311] +++ exited with 0 +++ [pid 310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(6 [pid 312] close(6 [pid 310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 310] close(7 [pid 312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] restart_syscall(<... resuming interrupted clone ...> [pid 310] close(8 [pid 312] close(7 [pid 310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(8) = -1 EBADF (Bad file descriptor) [pid 310] close(9 [pid 312] close(9 [pid 310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(10 [pid 310] close(10 [pid 312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(11 [pid 310] close(11 [pid 312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(12 [pid 310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(12 [pid 312] close(13) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(14 [pid 310] close(13 [pid 312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(15 [pid 310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(14 [pid 312] close(16 [pid 310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(15 [pid 312] close(17) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(18 [pid 310] close(16 [pid 312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(19 [pid 310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(17 [pid 312] close(20) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(21 [pid 310] close(18 [pid 312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(22) = -1 EBADF (Bad file descriptor) [pid 310] close(19 [pid 312] close(23 [pid 310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(20 [pid 312] close(24 [pid 310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(21 [pid 312] close(25 [pid 310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] close(22 [pid 312] close(26) = -1 EBADF (Bad file descriptor) [pid 312] close(27) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(28 [pid 310] close(23 [pid 312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] close(29 [pid 310] close(24 [pid 312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 312] exit_group(0) = ? [pid 310] close(25) = -1 EBADF (Bad file descriptor) [pid 310] close(26) = -1 EBADF (Bad file descriptor) [pid 310] close(27) = -1 EBADF (Bad file descriptor) [pid 312] +++ exited with 0 +++ [pid 310] close(28) = -1 EBADF (Bad file descriptor) [pid 310] close(29) = -1 EBADF (Bad file descriptor) [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] exit_group(0 [pid 301] restart_syscall(<... resuming interrupted clone ...> [pid 310] <... exit_group resumed>) = ? [pid 310] +++ exited with 0 +++ [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 302] restart_syscall(<... resuming interrupted clone ...> [pid 304] <... restart_syscall resumed>) = 0 [pid 301] <... restart_syscall resumed>) = 0 [pid 301] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 301] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 304] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 301] <... openat resumed>) = 3 [pid 304] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0 [pid 301] getdents64(3, 0x555571cf36f0 /* 3 entries */, 32768) = 80 [pid 301] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./2/binderfs") = 0 [pid 301] getdents64(3, 0x555571cf36f0 /* 0 entries */, 32768) = 0 [pid 301] close(3) = 0 [pid 301] rmdir("./2" [pid 304] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 303] <... restart_syscall resumed>) = 0 [pid 301] <... rmdir resumed>) = 0 [pid 304] <... openat resumed>) = 3 [pid 301] mkdir("./3", 0777 [pid 304] newfstatat(3, "", [pid 301] <... mkdir resumed>) = 0 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0 [pid 303] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 314 attached [pid 304] getdents64(3, [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 304] <... getdents64 resumed>0x555571cf36f0 /* 3 entries */, 32768) = 80 [pid 303] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 304] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 303] <... openat resumed>) = 3 [pid 304] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(3, "", [pid 304] newfstatat(AT_FDCWD, "./1/binderfs", [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0 [pid 304] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] getdents64(3, [pid 304] unlink("./1/binderfs" [pid 303] <... getdents64 resumed>0x555571cf36f0 /* 3 entries */, 32768) = 80 [pid 314] set_robust_list(0x555571cf2660, 24 [pid 303] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 301] <... clone resumed>, child_tidptr=0x555571cf2650) = 5 [pid 314] <... set_robust_list resumed>) = 0 [pid 304] <... unlink resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 314] chdir("./3" [pid 304] getdents64(3, [pid 303] newfstatat(AT_FDCWD, "./1/binderfs", [pid 314] <... chdir resumed>) = 0 [pid 314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] <... getdents64 resumed>0x555571cf36f0 /* 0 entries */, 32768) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 314] <... prctl resumed>) = 0 [pid 304] close(3 [pid 303] unlink("./1/binderfs" [pid 314] setpgid(0, 0) = 0 [pid 314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] <... close resumed>) = 0 [pid 303] <... unlink resumed>) = 0 [pid 314] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 314] symlink("/dev/binderfs", "./binderfs"executing program [pid 304] rmdir("./1" [pid 303] getdents64(3, [pid 314] <... symlink resumed>) = 0 [pid 314] write(1, "executing program\n", 18 [pid 304] <... rmdir resumed>) = 0 [pid 303] <... getdents64 resumed>0x555571cf36f0 /* 0 entries */, 32768) = 0 [pid 314] <... write resumed>) = 18 [pid 304] mkdir("./2", 0777 [pid 303] close(3 [pid 314] getpid() = 5 [pid 314] pidfd_open(5, 0) = 3 [pid 314] setns(3, 0x24020000 /* CLONE_NEW??? */) = 0 [pid 314] umount2(".", MNT_DETACH) = -1 EINVAL (Invalid argument) [pid 314] mount("./bus", "./bus", "incremental-fs", MS_NOSUID|MS_REC|MS_STRICTATIME, NULL [pid 303] <... close resumed>) = 0 [pid 304] <... mkdir resumed>) = 0 [pid 303] rmdir("./1" [pid 304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 315 attached [ 23.995607][ T311] overlayfs: upper fs does not support tmpfile. [ 23.995960][ T310] overlayfs: upper fs does not support tmpfile. [ 24.006000][ T311] incfs_lookup_dentry err:-2 [ 24.012799][ T312] overlayfs: upper fs does not support tmpfile. [ 24.014720][ T313] overlayfs: upper fs does not support tmpfile. [pid 303] <... rmdir resumed>) = 0 [pid 303] mkdir("./2", 0777) = 0 [pid 315] set_robust_list(0x555571cf2660, 24 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 315] <... set_robust_list resumed>) = 0 [pid 315] chdir("./2" [pid 304] <... clone resumed>, child_tidptr=0x555571cf2650) = 4 [pid 315] <... chdir resumed>) = 0 [pid 315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 315] setpgid(0, 0) = 0 [pid 315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 303] <... clone resumed>, child_tidptr=0x555571cf2650) = 4 [pid 315] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 315] symlink("/dev/binderfs", "./binderfs") = 0 [pid 315] write(1, "executing program\n", 18./strace-static-x86_64: Process 316 attached [pid 314] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... restart_syscall resumed>) = 0 [pid 316] set_robust_list(0x555571cf2660, 24 [pid 314] chdir("./bus"executing program [pid 316] <... set_robust_list resumed>) = 0 [pid 314] <... chdir resumed>) = 0 [pid 315] <... write resumed>) = 18 [pid 316] chdir("./2" [pid 315] getpid( [pid 316] <... chdir resumed>) = 0 [pid 315] <... getpid resumed>) = 4 [pid 316] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 315] pidfd_open(4, 0 [pid 314] mkdirat(AT_FDCWD, "./file0", 072 [pid 316] <... prctl resumed>) = 0 [pid 315] <... pidfd_open resumed>) = 3 [pid 302] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 316] setpgid(0, 0 [pid 315] setns(3, 0x24020000 /* CLONE_NEW??? */ [pid 314] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 316] <... setpgid resumed>) = 0 [pid 315] <... setns resumed>) = 0 [pid 314] mkdir("./file1", 000 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 315] umount2(".", MNT_DETACH [pid 314] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 316] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 315] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 314] mkdir("./bus", 000