./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2003879242 <...> Warning: Permanently added '10.128.1.188' (ED25519) to the list of known hosts. execve("./syz-executor2003879242", ["./syz-executor2003879242"], 0x7ffd736341f0 /* 10 vars */) = 0 brk(NULL) = 0x555557479000 brk(0x555557479d40) = 0x555557479d40 arch_prctl(ARCH_SET_FS, 0x5555574793c0) = 0 set_tid_address(0x555557479690) = 294 set_robust_list(0x5555574796a0, 24) = 0 rseq(0x555557479ce0, 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-executor2003879242", 4096) = 28 getrandom("\x9e\x65\xdd\x83\x24\x99\x9e\x7e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557479d40 brk(0x55555749ad40) = 0x55555749ad40 brk(0x55555749b000) = 0x55555749b000 mprotect(0x7fb70f38b000, 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 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 296 executing program ./strace-static-x86_64: Process 296 attached [pid 296] set_robust_list(0x5555574796a0, 24) = 0 [pid 296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 296] setpgid(0, 0) = 0 [pid 296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 296] write(3, "1000", 4) = 4 [pid 296] close(3) = 0 [pid 296] write(1, "executing program\n", 18) = 18 [pid 296] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 296] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 296] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 296] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 296] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[297]}, 88) = 297 [pid 296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 296] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 296] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 297 attached [pid 297] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 297] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 297] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... futex resumed>) = 0 [pid 296] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 296] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... futex resumed>) = 1 [pid 297] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0 [pid 297] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... futex resumed>) = 0 [pid 296] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 296] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... futex resumed>) = 1 [pid 297] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 297] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 297] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 297] chdir("./file0") = 0 [pid 297] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... futex resumed>) = 0 [pid 296] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 296] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... futex resumed>) = 1 [pid 297] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 297] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... futex resumed>) = 0 [pid 296] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 296] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... futex resumed>) = 1 [pid 297] mkdirat(AT_FDCWD, "./file1", 000) = 0 [pid 297] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... futex resumed>) = 0 [pid 296] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 296] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 296] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 296] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} => {parent_tid=[298]}, 88) = 298 [pid 296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 296] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 296] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 297] <... futex resumed>) = 1 [pid 297] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE) = -1 ENOENT (No such file or directory) [pid 297] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 298 attached [pid 298] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 298] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 298] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... futex resumed>) = 0 [pid 296] exit_group(0) = ? [pid 297] <... futex resumed>) = ? [pid 297] +++ exited with 0 +++ [pid 298] <... futex resumed>) = ? [pid 298] +++ exited with 0 +++ [pid 296] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=296, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 299 ./strace-static-x86_64: Process 299 attached [pid 299] set_robust_list(0x5555574796a0, 24) = 0 [pid 299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 299] setpgid(0, 0) = 0 [pid 299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 299] write(3, "1000", 4) = 4 [pid 299] close(3) = 0 [pid 299] write(1, "executing program\n", 18executing program ) = 18 [pid 299] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 299] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 299] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 299] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[300]}, 88) = 300 [pid 299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 299] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 300 attached [pid 300] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 300] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 300] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... futex resumed>) = 0 [pid 299] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... futex resumed>) = 1 [ 21.775747][ T28] audit: type=1400 audit(1716622764.650:66): avc: denied { execmem } for pid=294 comm="syz-executor200" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.795717][ T28] audit: type=1400 audit(1716622764.650:67): avc: denied { read write } for pid=294 comm="syz-executor200" name="loop0" dev="devtmpfs" ino=114 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [pid 300] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0 [pid 300] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... futex resumed>) = 0 [pid 299] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... futex resumed>) = 1 [pid 300] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 300] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 300] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 300] chdir("./file0") = 0 [pid 300] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... futex resumed>) = 0 [pid 299] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... futex resumed>) = 1 [pid 300] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 300] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... futex resumed>) = 0 [pid 299] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... futex resumed>) = 1 [pid 300] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 300] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... futex resumed>) = 0 [pid 299] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 299] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 299] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} => {parent_tid=[301]}, 88) = 301 [pid 299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 299] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... futex resumed>) = 1 [pid 300] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE) = -1 ENOENT (No such file or directory) [pid 300] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 300] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 301 attached [pid 301] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 301] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 301] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... futex resumed>) = 0 [pid 299] exit_group(0) = ? [pid 300] <... futex resumed>) = ? [pid 300] +++ exited with 0 +++ [pid 301] <... futex resumed>) = ? [pid 301] +++ exited with 0 +++ [pid 299] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=299, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 302 ./strace-static-x86_64: Process 302 attached [pid 302] set_robust_list(0x5555574796a0, 24) = 0 [pid 302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 302] setpgid(0, 0) = 0 [pid 302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 302] write(3, "1000", 4) = 4 [pid 302] close(3) = 0 executing program [pid 302] write(1, "executing program\n", 18) = 18 [pid 302] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 302] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 302] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 302] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[303]}, 88) = 303 [pid 302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 302] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 303 attached [pid 303] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 303] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 303] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... futex resumed>) = 0 [pid 302] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] <... futex resumed>) = 1 [pid 303] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 303] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... futex resumed>) = 0 [pid 302] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] <... futex resumed>) = 1 [pid 303] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 303] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 303] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 303] chdir("./file0") = 0 [pid 303] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... futex resumed>) = 0 [pid 302] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] <... futex resumed>) = 1 [pid 303] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 303] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... futex resumed>) = 0 [pid 302] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] <... futex resumed>) = 1 [pid 303] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 303] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... futex resumed>) = 0 [pid 302] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 302] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 302] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} => {parent_tid=[304]}, 88) = 304 [pid 302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 302] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] <... futex resumed>) = 1 [pid 303] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE) = -1 ENOENT (No such file or directory) [pid 303] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 303] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 304 attached [pid 304] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 304] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... futex resumed>) = 0 [pid 302] exit_group(0) = ? [pid 303] <... futex resumed>) = ? [ 21.821352][ T28] audit: type=1400 audit(1716622764.650:68): avc: denied { open } for pid=294 comm="syz-executor200" path="/dev/loop0" dev="devtmpfs" ino=114 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 21.846570][ T28] audit: type=1400 audit(1716622764.650:69): avc: denied { ioctl } for pid=294 comm="syz-executor200" path="/dev/loop0" dev="devtmpfs" ino=114 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [pid 303] +++ exited with 0 +++ [pid 304] <... futex resumed>) = ? [pid 304] +++ exited with 0 +++ [pid 302] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 305 ./strace-static-x86_64: Process 305 attached [pid 305] set_robust_list(0x5555574796a0, 24) = 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] write(1, "executing program\n", 18) = 18 [pid 305] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 305] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 305] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[306]}, 88) = 306 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 306 attached [pid 306] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 306] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... futex resumed>) = 0 [pid 305] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... futex resumed>) = 1 [pid 306] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 306] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... futex resumed>) = 0 [pid 305] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... futex resumed>) = 1 [pid 306] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 306] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 306] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 306] chdir("./file0") = 0 [pid 306] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... futex resumed>) = 0 [pid 305] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... futex resumed>) = 1 [pid 306] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 306] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... futex resumed>) = 0 [pid 305] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... futex resumed>) = 1 [pid 306] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 306] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... futex resumed>) = 0 [pid 305] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 305] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} => {parent_tid=[307]}, 88) = 307 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... futex resumed>) = 1 [pid 306] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE) = -1 ENOENT (No such file or directory) [pid 306] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 306] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 307 attached [pid 307] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [ 21.862448][ T303] incfs: mount failed -22 [ 21.873162][ T28] audit: type=1400 audit(1716622764.680:70): avc: denied { mounton } for pid=296 comm="syz-executor200" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 21.899374][ T28] audit: type=1400 audit(1716622764.680:71): avc: denied { mount } for pid=296 comm="syz-executor200" name="/" dev="incremental-fs" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [pid 307] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... futex resumed>) = 0 [pid 305] exit_group(0) = ? [pid 306] <... futex resumed>) = ? [pid 306] +++ exited with 0 +++ [pid 307] <... futex resumed>) = ? [pid 307] +++ exited with 0 +++ [pid 305] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 308 ./strace-static-x86_64: Process 308 attached [pid 308] set_robust_list(0x5555574796a0, 24) = 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) = 3 [pid 308] write(3, "1000", 4) = 4 [pid 308] close(3) = 0 [pid 308] write(1, "executing program\n", 18executing program ) = 18 [pid 308] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 308] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[309]}, 88) = 309 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 309 attached [pid 309] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 309] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... futex resumed>) = 0 [pid 308] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... futex resumed>) = 1 [pid 309] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 309] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... futex resumed>) = 0 [pid 308] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... futex resumed>) = 1 [pid 309] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 309] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 309] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 309] chdir("./file0") = 0 [pid 309] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... futex resumed>) = 0 [pid 308] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... futex resumed>) = 1 [pid 309] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 309] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... futex resumed>) = 0 [pid 308] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... futex resumed>) = 1 [pid 309] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 309] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... futex resumed>) = 0 [pid 308] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 308] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} => {parent_tid=[310]}, 88) = 310 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 21.904419][ T306] incfs: mount failed -22 [ 21.923407][ T28] audit: type=1400 audit(1716622764.680:72): avc: denied { mounton } for pid=296 comm="syz-executor200" path="/root/file0" dev="incremental-fs" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 21.951605][ T28] audit: type=1400 audit(1716622764.690:73): avc: denied { write } for pid=296 comm="syz-executor200" name="/" dev="incremental-fs" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [pid 308] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... futex resumed>) = 1 [pid 309] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE) = -1 ENOENT (No such file or directory) [pid 309] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 309] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 310 attached [pid 310] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 310] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... futex resumed>) = 0 [pid 308] exit_group(0) = ? [pid 309] <... futex resumed>) = ? [pid 309] +++ exited with 0 +++ [pid 310] <... futex resumed>) = ? [pid 310] +++ exited with 0 +++ [pid 308] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 311 ./strace-static-x86_64: Process 311 attached [pid 311] set_robust_list(0x5555574796a0, 24) = 0 [pid 311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 311] setpgid(0, 0) = 0 [pid 311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 311] write(3, "1000", 4) = 4 [pid 311] close(3) = 0 executing program [pid 311] write(1, "executing program\n", 18) = 18 [pid 311] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 311] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 311] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 311] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[312]}, 88) = 312 [pid 311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 311] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 312 attached [pid 312] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 312] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... futex resumed>) = 0 [pid 311] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... futex resumed>) = 1 [pid 312] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 312] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 311] <... futex resumed>) = 0 [pid 311] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 312] mkdir("./file0", 0777 [pid 311] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 312] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 312] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 312] chdir("./file0") = 0 [pid 312] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 312] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 311] <... futex resumed>) = 0 [pid 311] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 312] <... futex resumed>) = 0 [pid 311] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 312] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... futex resumed>) = 0 [pid 311] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] <... futex resumed>) = 1 [pid 312] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 312] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... futex resumed>) = 0 [pid 311] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 312] <... futex resumed>) = 1 [pid 312] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE [pid 311] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 312] <... renameat2 resumed>) = -1 ENOENT (No such file or directory) [pid 311] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 312] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} [pid 312] <... futex resumed>) = 0 ./strace-static-x86_64: Process 313 attached [pid 311] <... clone3 resumed> => {parent_tid=[313]}, 88) = 313 [pid 313] set_robust_list(0x7fb70f2a69a0, 24 [pid 312] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 311] rt_sigprocmask(SIG_SETMASK, [], [pid 313] <... set_robust_list resumed>) = 0 [pid 311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 311] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 311] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 313] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 313] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 311] <... futex resumed>) = 0 [pid 311] exit_group(0) = ? [pid 312] <... futex resumed>) = ? [pid 312] +++ exited with 0 +++ [pid 313] <... futex resumed>) = ? [pid 313] +++ exited with 0 +++ [pid 311] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=311, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 314 ./strace-static-x86_64: Process 314 attached [pid 314] set_robust_list(0x5555574796a0, 24) = 0 [pid 314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 314] setpgid(0, 0) = 0 [pid 314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 314] write(3, "1000", 4) = 4 [pid 314] close(3) = 0 [pid 314] write(1, "executing program\n", 18executing program ) = 18 [pid 314] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 314] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 314] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[315]}, 88) = 315 [pid 314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 314] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 315 attached [pid 315] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 315] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 315] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] <... futex resumed>) = 0 [pid 314] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 315] <... futex resumed>) = 1 [pid 315] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 315] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 314] <... futex resumed>) = 0 [pid 314] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 315] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 315] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 315] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 315] chdir("./file0") = 0 [pid 315] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 314] <... futex resumed>) = 0 [pid 315] openat(AT_FDCWD, ".", O_RDONLY [pid 314] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 315] <... openat resumed>) = 4 [pid 315] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 314] <... futex resumed>) = 0 [pid 315] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 314] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 314] <... futex resumed>) = 0 [pid 315] mkdirat(AT_FDCWD, "./file1", 000 [pid 314] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 315] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 315] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 314] <... futex resumed>) = 0 [pid 315] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE [pid 314] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 314] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE [pid 315] <... renameat2 resumed>) = -1 ENOENT (No such file or directory) [pid 315] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] <... mprotect resumed>) = 0 [pid 315] <... futex resumed>) = 0 [pid 314] rt_sigprocmask(SIG_BLOCK, ~[], [pid 315] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 314] <... rt_sigprocmask resumed>[], 8) = 0 [pid 314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0}./strace-static-x86_64: Process 316 attached => {parent_tid=[316]}, 88) = 316 [pid 316] set_robust_list(0x7fb70f2a69a0, 24 [pid 314] rt_sigprocmask(SIG_SETMASK, [], [pid 316] <... set_robust_list resumed>) = 0 [pid 314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 316] rt_sigprocmask(SIG_SETMASK, [], [pid 314] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 314] <... futex resumed>) = 0 [pid 316] openat(-1, ".pending_reads", O_RDONLY [pid 314] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 316] <... openat resumed>) = -1 EBADF (Bad file descriptor) [ 21.954737][ T309] incfs: mount failed -22 [ 21.978958][ T28] audit: type=1400 audit(1716622764.690:74): avc: denied { add_name } for pid=296 comm="syz-executor200" name="file1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 22.000353][ T28] audit: type=1400 audit(1716622764.690:75): avc: denied { create } for pid=296 comm="syz-executor200" name="file1" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=dir permissive=1 [ 22.006041][ T312] incfs: mount failed -22 [pid 316] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 314] <... futex resumed>) = 0 [pid 314] exit_group(0) = ? [pid 316] +++ exited with 0 +++ [pid 315] <... futex resumed>) = ? [pid 315] +++ exited with 0 +++ [pid 314] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=314, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) executing program close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 317 ./strace-static-x86_64: Process 317 attached [pid 317] set_robust_list(0x5555574796a0, 24) = 0 [pid 317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 317] setpgid(0, 0) = 0 [pid 317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 317] write(3, "1000", 4) = 4 [pid 317] close(3) = 0 [pid 317] write(1, "executing program\n", 18) = 18 [pid 317] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 317] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 317] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 317] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 317] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[318]}, 88) = 318 [pid 317] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 317] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 318 attached [pid 318] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 318] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 318] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 318] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 317] <... futex resumed>) = 0 [pid 317] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 317] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 318] <... futex resumed>) = 0 [pid 318] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 318] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 317] <... futex resumed>) = 0 [pid 317] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 318] <... futex resumed>) = 1 [pid 318] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 318] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 318] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 318] chdir("./file0") = 0 [pid 318] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 317] <... futex resumed>) = 0 [pid 317] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 318] <... futex resumed>) = 1 [pid 318] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 318] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 317] <... futex resumed>) = 0 [pid 317] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 318] <... futex resumed>) = 1 [pid 318] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 318] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 317] <... futex resumed>) = 0 [pid 317] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 317] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 317] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 317] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} => {parent_tid=[319]}, 88) = 319 [pid 317] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 317] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 317] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 318] <... futex resumed>) = 1 [pid 318] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE) = -1 ENOENT (No such file or directory) [pid 318] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 318] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 319 attached [pid 319] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 319] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 319] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 319] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 317] <... futex resumed>) = 0 [pid 317] exit_group(0) = ? [pid 318] <... futex resumed>) = ? [pid 318] +++ exited with 0 +++ [pid 319] <... futex resumed>) = ? [pid 319] +++ exited with 0 +++ [pid 317] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 22.040702][ T315] incfs: mount failed -22 restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 320 ./strace-static-x86_64: Process 320 attached [pid 320] set_robust_list(0x5555574796a0, 24) = 0 [pid 320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 320] setpgid(0, 0) = 0 [pid 320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 320] write(3, "1000", 4) = 4 [pid 320] close(3) = 0 [pid 320] write(1, "executing program\n", 18executing program ) = 18 [pid 320] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 320] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 320] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 320] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 320] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[321]}, 88) = 321 [pid 320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 320] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 320] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 321 attached [pid 321] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 321] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 321] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 321] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 320] <... futex resumed>) = 0 [pid 320] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 320] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 321] <... futex resumed>) = 1 [pid 321] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 321] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 320] <... futex resumed>) = 0 [pid 320] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 320] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 321] <... futex resumed>) = 1 [pid 321] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 321] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 321] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 321] chdir("./file0") = 0 [pid 321] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 320] <... futex resumed>) = 0 [pid 320] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 320] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 321] <... futex resumed>) = 1 [pid 321] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 321] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 320] <... futex resumed>) = 0 [pid 320] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 320] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 321] <... futex resumed>) = 1 [pid 321] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 321] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 320] <... futex resumed>) = 0 [pid 320] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 320] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 320] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 320] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} => {parent_tid=[322]}, 88) = 322 [pid 320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 320] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 320] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 321] <... futex resumed>) = 1 [pid 321] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE) = -1 ENOENT (No such file or directory) [pid 321] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 321] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 322 attached [pid 322] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 322] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 322] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 320] <... futex resumed>) = 0 [pid 320] exit_group(0) = ? [pid 321] <... futex resumed>) = ? [pid 321] +++ exited with 0 +++ [pid 322] <... futex resumed>) = ? [pid 322] +++ exited with 0 +++ [pid 320] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 323 ./strace-static-x86_64: Process 323 attached [pid 323] set_robust_list(0x5555574796a0, 24) = 0 [pid 323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 323] setpgid(0, 0) = 0 [pid 323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 323] write(3, "1000", 4) = 4 [pid 323] close(3) = 0 executing program [pid 323] write(1, "executing program\n", 18) = 18 [pid 323] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 323] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 323] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 323] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 323] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[324]}, 88) = 324 ./strace-static-x86_64: Process 324 attached [pid 323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 323] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 323] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 324] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 324] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 324] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 323] <... futex resumed>) = 0 [pid 323] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 323] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 324] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 324] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 323] <... futex resumed>) = 0 [pid 323] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 323] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 324] <... futex resumed>) = 1 [pid 324] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 324] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 324] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 324] chdir("./file0") = 0 [pid 324] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 323] <... futex resumed>) = 0 [pid 323] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 323] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 324] <... futex resumed>) = 1 [pid 324] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 324] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 323] <... futex resumed>) = 0 [pid 323] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 323] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 324] <... futex resumed>) = 1 [pid 324] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 324] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 323] <... futex resumed>) = 0 [pid 323] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 323] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 323] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 323] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} => {parent_tid=[325]}, 88) = 325 [pid 323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 323] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 323] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 324] <... futex resumed>) = 1 [pid 324] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE) = -1 ENOENT (No such file or directory) [pid 324] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 324] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 325 attached [pid 325] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 325] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 325] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 323] <... futex resumed>) = 0 [pid 323] exit_group(0) = ? [pid 324] <... futex resumed>) = ? [pid 324] +++ exited with 0 +++ [pid 325] <... futex resumed>) = ? [pid 325] +++ exited with 0 +++ [pid 323] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=323, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 326 ./strace-static-x86_64: Process 326 attached [pid 326] set_robust_list(0x5555574796a0, 24) = 0 [pid 326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 326] setpgid(0, 0) = 0 [pid 326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 326] write(3, "1000", 4) = 4 [pid 326] close(3) = 0 executing program [pid 326] write(1, "executing program\n", 18) = 18 [pid 326] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 326] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 326] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 326] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 326] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[327]}, 88) = 327 [pid 326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 326] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 326] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 327 attached [pid 327] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 327] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 327] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 327] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 326] <... futex resumed>) = 0 [pid 326] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 326] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 327] <... futex resumed>) = 1 [pid 327] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 327] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 326] <... futex resumed>) = 0 [pid 326] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 327] mkdir("./file0", 0777 [pid 326] <... futex resumed>) = 0 [pid 326] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 327] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 327] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 327] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 327] chdir("./file0") = 0 [pid 327] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 326] <... futex resumed>) = 0 [pid 327] openat(AT_FDCWD, ".", O_RDONLY [pid 326] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 326] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 327] <... openat resumed>) = 4 [pid 327] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 326] <... futex resumed>) = 0 [pid 326] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 326] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 327] <... futex resumed>) = 1 [pid 327] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 327] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 326] <... futex resumed>) = 0 [pid 326] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 326] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 326] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 326] rt_sigprocmask(SIG_BLOCK, ~[], [pid 327] <... futex resumed>) = 1 [pid 326] <... rt_sigprocmask resumed>[], 8) = 0 [pid 326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} => {parent_tid=[328]}, 88) = 328 [pid 326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 326] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 326] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 328 attached [pid 328] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 328] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 328] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 328] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 326] <... futex resumed>) = 0 [pid 328] <... futex resumed>) = 1 [pid 328] futex(0x7fb70f3913d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 327] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE) = -1 ENOENT (No such file or directory) [pid 327] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 22.068215][ T318] incfs: mount failed -22 [ 22.086564][ T321] incfs: mount failed -22 [ 22.105608][ T324] incfs: mount failed -22 [pid 327] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 326] exit_group(0) = ? [pid 328] <... futex resumed>) = ? [pid 328] +++ exited with 0 +++ [pid 327] <... futex resumed>) = ? [pid 327] +++ exited with 0 +++ [pid 326] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3executing program ) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 329 ./strace-static-x86_64: Process 329 attached [pid 329] set_robust_list(0x5555574796a0, 24) = 0 [pid 329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 329] setpgid(0, 0) = 0 [pid 329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 329] write(3, "1000", 4) = 4 [pid 329] close(3) = 0 [pid 329] write(1, "executing program\n", 18) = 18 [pid 329] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 329] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 329] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 329] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[330]}, 88) = 330 [pid 329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 329] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 330 attached [pid 330] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 330] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 330] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 330] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 330] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 329] <... futex resumed>) = 0 [pid 329] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 329] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 330] <... futex resumed>) = 0 [pid 330] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 330] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 329] <... futex resumed>) = 0 [pid 329] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 330] <... futex resumed>) = 1 [pid 330] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 330] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 330] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 330] chdir("./file0") = 0 [pid 330] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 329] <... futex resumed>) = 0 [pid 329] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 330] <... futex resumed>) = 1 [pid 330] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 330] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 329] <... futex resumed>) = 0 [pid 329] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 330] <... futex resumed>) = 1 [pid 330] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 330] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 329] <... futex resumed>) = 0 [pid 329] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 329] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 329] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} => {parent_tid=[331]}, 88) = 331 ./strace-static-x86_64: Process 331 attached [pid 329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 329] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 329] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 330] <... futex resumed>) = 1 [pid 330] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE) = -1 ENOENT (No such file or directory) [pid 330] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 330] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 331] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 331] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 331] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 331] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 329] <... futex resumed>) = 0 [pid 329] exit_group(0) = ? [pid 330] <... futex resumed>) = ? [pid 330] +++ exited with 0 +++ [pid 331] <... futex resumed>) = ? [pid 331] +++ exited with 0 +++ [pid 329] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=329, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x555557479690) = 332 ./strace-static-x86_64: Process 332 attached [pid 332] set_robust_list(0x5555574796a0, 24) = 0 [pid 332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 332] setpgid(0, 0) = 0 [pid 332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 332] write(3, "1000", 4) = 4 [pid 332] close(3) = 0 [pid 332] write(1, "executing program\n", 18) = 18 [pid 332] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 332] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 332] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 332] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 332] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[333]}, 88) = 333 [pid 332] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 332] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 333 attached [pid 333] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 333] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 333] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 333] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 332] <... futex resumed>) = 0 [pid 332] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 333] <... futex resumed>) = 1 [pid 333] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 333] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 332] <... futex resumed>) = 0 [pid 333] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 332] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 333] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 333] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 332] <... futex resumed>) = 0 [pid 333] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 332] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 333] <... openat resumed>) = 3 [pid 333] chdir("./file0") = 0 [pid 333] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 333] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 332] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 332] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 333] <... futex resumed>) = 0 [pid 333] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 333] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 332] <... futex resumed>) = 0 [pid 332] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 333] <... futex resumed>) = 1 [pid 333] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 333] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 332] <... futex resumed>) = 0 [pid 332] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 332] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 332] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 332] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} => {parent_tid=[334]}, 88) = 334 [pid 332] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 332] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 332] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 333] <... futex resumed>) = 1 [pid 333] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE) = -1 ENOENT (No such file or directory) [pid 333] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 333] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 334 attached [pid 334] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 334] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 334] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 334] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 332] <... futex resumed>) = 0 [pid 332] exit_group(0) = ? [pid 333] <... futex resumed>) = ? [pid 333] +++ exited with 0 +++ [pid 334] <... futex resumed>) = ? [pid 334] +++ exited with 0 +++ [pid 332] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=332, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3executing program ) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 335 ./strace-static-x86_64: Process 335 attached [pid 335] set_robust_list(0x5555574796a0, 24) = 0 [pid 335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 335] setpgid(0, 0) = 0 [pid 335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 335] write(3, "1000", 4) = 4 [pid 335] close(3) = 0 [pid 335] write(1, "executing program\n", 18) = 18 [pid 335] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 335] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 335] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 335] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 335] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[336]}, 88) = 336 [pid 335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 335] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 336 attached [pid 336] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 336] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 336] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 336] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 335] <... futex resumed>) = 0 [pid 335] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 336] <... futex resumed>) = 1 [pid 336] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 336] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 335] <... futex resumed>) = 0 [pid 335] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 336] <... futex resumed>) = 1 [pid 336] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 336] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 336] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 336] chdir("./file0") = 0 [pid 336] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 335] <... futex resumed>) = 0 [pid 335] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 336] <... futex resumed>) = 1 [pid 336] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 336] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 335] <... futex resumed>) = 0 [pid 335] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 336] <... futex resumed>) = 1 [pid 336] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 336] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 335] <... futex resumed>) = 0 [pid 335] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 335] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 335] rt_sigprocmask(SIG_BLOCK, ~[], [pid 336] <... futex resumed>) = 1 [pid 335] <... rt_sigprocmask resumed>[], 8) = 0 [pid 335] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} => {parent_tid=[337]}, 88) = 337 [pid 336] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE [pid 335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 335] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 335] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 337 attached [pid 336] <... renameat2 resumed>) = -1 ENOENT (No such file or directory) [pid 337] set_robust_list(0x7fb70f2a69a0, 24 [pid 336] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 337] <... set_robust_list resumed>) = 0 [pid 337] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 337] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 337] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 335] <... futex resumed>) = 0 [pid 335] exit_group(0) = ? [pid 337] <... futex resumed>) = ? [pid 337] +++ exited with 0 +++ [pid 336] <... futex resumed>) = ? [ 22.124370][ T327] incfs: mount failed -22 [ 22.142629][ T330] incfs: mount failed -22 [ 22.160196][ T333] incfs: mount failed -22 [pid 336] +++ exited with 0 +++ [pid 335] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=335, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3executing program ) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 338 ./strace-static-x86_64: Process 338 attached [pid 338] set_robust_list(0x5555574796a0, 24) = 0 [pid 338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 338] setpgid(0, 0) = 0 [pid 338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 338] write(3, "1000", 4) = 4 [pid 338] close(3) = 0 [pid 338] write(1, "executing program\n", 18) = 18 [pid 338] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 338] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 338] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 338] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[339]}, 88) = 339 [pid 338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 338] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 339 attached [pid 339] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 339] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 339] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 339] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] <... futex resumed>) = 0 [pid 338] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 339] <... futex resumed>) = 1 [pid 339] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 339] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] <... futex resumed>) = 0 [pid 339] <... futex resumed>) = 1 [pid 338] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 339] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 339] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 339] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 339] chdir("./file0") = 0 [pid 339] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 338] <... futex resumed>) = 0 [pid 339] openat(AT_FDCWD, ".", O_RDONLY [pid 338] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 339] <... openat resumed>) = 4 [pid 339] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 338] <... futex resumed>) = 0 [pid 339] mkdirat(AT_FDCWD, "./file1", 000 [pid 338] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 339] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 338] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 339] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 338] <... futex resumed>) = 0 [pid 339] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE [pid 338] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 339] <... renameat2 resumed>) = -1 ENOENT (No such file or directory) [pid 338] <... futex resumed>) = 0 [pid 338] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 339] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] <... futex resumed>) = 0 [pid 339] <... futex resumed>) = 0 [pid 339] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 338] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 338] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0}./strace-static-x86_64: Process 340 attached => {parent_tid=[340]}, 88) = 340 [pid 338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 338] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 338] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 340] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 340] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 340] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 340] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 338] <... futex resumed>) = 0 [pid 338] exit_group(0) = ? [pid 339] <... futex resumed>) = ? [pid 339] +++ exited with 0 +++ [pid 340] <... futex resumed>) = ? [pid 340] +++ exited with 0 +++ [pid 338] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=338, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 341 ./strace-static-x86_64: Process 341 attached [pid 341] set_robust_list(0x5555574796a0, 24) = 0 [pid 341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 341] setpgid(0, 0) = 0 [pid 341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 341] write(3, "1000", 4) = 4 [pid 341] close(3) = 0 [pid 341] write(1, "executing program\n", 18executing program ) = 18 [pid 341] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 341] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 341] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 341] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[342]}, 88) = 342 ./strace-static-x86_64: Process 342 attached [pid 341] rt_sigprocmask(SIG_SETMASK, [], [pid 342] set_robust_list(0x7fb70f2c79a0, 24 [pid 341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 341] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 342] <... set_robust_list resumed>) = 0 [pid 341] <... futex resumed>) = 0 [pid 342] rt_sigprocmask(SIG_SETMASK, [], [pid 341] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 342] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 342] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 341] <... futex resumed>) = 0 [pid 341] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 342] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 342] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 341] <... futex resumed>) = 0 [pid 341] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 342] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 342] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 342] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 342] chdir("./file0") = 0 [pid 342] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 341] <... futex resumed>) = 0 [pid 341] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 342] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 342] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 341] <... futex resumed>) = 0 [pid 341] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 342] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 342] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 341] <... futex resumed>) = 0 [pid 341] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 341] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 341] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} => {parent_tid=[343]}, 88) = 343 [pid 341] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 341] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 341] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 342] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE) = -1 ENOENT (No such file or directory) [pid 342] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 342] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 343 attached [pid 343] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 343] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 343] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 343] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 341] <... futex resumed>) = 0 [pid 341] exit_group(0) = ? [pid 342] <... futex resumed>) = ? [pid 342] +++ exited with 0 +++ [pid 343] <... futex resumed>) = ? [pid 343] +++ exited with 0 +++ [pid 341] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3executing program ) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 344 ./strace-static-x86_64: Process 344 attached [pid 344] set_robust_list(0x5555574796a0, 24) = 0 [pid 344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 344] setpgid(0, 0) = 0 [pid 344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 344] write(3, "1000", 4) = 4 [pid 344] close(3) = 0 [pid 344] write(1, "executing program\n", 18) = 18 [pid 344] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 344] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 344] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 344] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[345]}, 88) = 345 [pid 344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 344] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 345 attached [pid 345] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 345] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 345] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 345] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 344] <... futex resumed>) = 0 [pid 344] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 345] <... futex resumed>) = 1 [pid 345] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 345] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 344] <... futex resumed>) = 0 [pid 344] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 345] <... futex resumed>) = 1 [pid 345] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 345] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 345] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 345] chdir("./file0") = 0 [pid 345] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 344] <... futex resumed>) = 0 [pid 344] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 345] <... futex resumed>) = 1 [pid 345] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 345] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 344] <... futex resumed>) = 0 [pid 344] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 345] <... futex resumed>) = 1 [pid 345] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 345] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 344] <... futex resumed>) = 0 [pid 344] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 344] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 344] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} => {parent_tid=[346]}, 88) = 346 [pid 344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 344] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 344] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 345] <... futex resumed>) = 1 [pid 345] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE) = -1 ENOENT (No such file or directory) [pid 345] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 345] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 346 attached [pid 346] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 346] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 346] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 346] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 344] <... futex resumed>) = 0 [pid 344] exit_group(0) = ? [pid 345] <... futex resumed>) = ? [pid 345] +++ exited with 0 +++ [pid 346] <... futex resumed>) = ? [pid 346] +++ exited with 0 +++ [pid 344] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=344, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 22.176544][ T336] incfs: mount failed -22 [ 22.192783][ T339] incfs: mount failed -22 [ 22.212896][ T342] incfs: mount failed -22 restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 347 ./strace-static-x86_64: Process 347 attached [pid 347] set_robust_list(0x5555574796a0, 24) = 0 [pid 347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 347] setpgid(0, 0) = 0 [pid 347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 347] write(3, "1000", 4) = 4 [pid 347] close(3) = 0 [pid 347] write(1, "executing program\n", 18executing program ) = 18 [pid 347] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 347] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 347] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 347] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 347] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[348]}, 88) = 348 [pid 347] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 347] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 348 attached [pid 347] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 348] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 348] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 348] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 347] <... futex resumed>) = 0 [pid 347] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 347] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 348] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 348] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 347] <... futex resumed>) = 0 [pid 347] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 347] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 348] <... futex resumed>) = 1 [pid 348] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 348] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 348] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 348] chdir("./file0") = 0 [pid 348] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 347] <... futex resumed>) = 0 [pid 347] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 348] <... futex resumed>) = 1 [pid 347] <... futex resumed>) = 0 [pid 348] openat(AT_FDCWD, ".", O_RDONLY [pid 347] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 348] <... openat resumed>) = 4 [pid 348] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 347] <... futex resumed>) = 0 [pid 348] mkdirat(AT_FDCWD, "./file1", 000 [pid 347] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 347] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 348] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 348] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 348] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 347] <... futex resumed>) = 0 [pid 347] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 347] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 347] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 347] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} => {parent_tid=[349]}, 88) = 349 [pid 347] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 347] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 347] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 348] <... futex resumed>) = 0 [pid 348] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE) = -1 ENOENT (No such file or directory) [pid 348] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 348] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 349 attached [pid 349] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 349] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 349] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 349] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 347] <... futex resumed>) = 0 [pid 347] exit_group(0) = ? [pid 348] <... futex resumed>) = ? [pid 348] +++ exited with 0 +++ [pid 349] <... futex resumed>) = ? [pid 349] +++ exited with 0 +++ [pid 347] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=347, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 350 ./strace-static-x86_64: Process 350 attached [pid 350] set_robust_list(0x5555574796a0, 24) = 0 [pid 350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 350] setpgid(0, 0) = 0 [pid 350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 350] write(3, "1000", 4) = 4 [pid 350] close(3) = 0 [pid 350] write(1, "executing program\n", 18executing program ) = 18 [pid 350] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 350] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 350] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 350] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 350] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[351]}, 88) = 351 ./strace-static-x86_64: Process 351 attached [pid 350] rt_sigprocmask(SIG_SETMASK, [], [pid 351] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 351] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 351] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 350] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 350] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 351] <... futex resumed>) = 0 [pid 350] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 351] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 351] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 350] <... futex resumed>) = 0 [pid 350] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 350] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 351] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 351] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 350] <... futex resumed>) = 0 [pid 351] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 350] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 350] <... futex resumed>) = 0 [pid 350] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 351] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 351] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 351] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 351] chdir("./file0") = 0 [pid 351] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 350] <... futex resumed>) = 0 [pid 350] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 350] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 351] <... futex resumed>) = 1 [pid 351] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 351] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 350] <... futex resumed>) = 0 [pid 350] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 350] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 351] <... futex resumed>) = 1 [pid 351] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 351] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 350] <... futex resumed>) = 0 [pid 350] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 350] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 350] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 350] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} => {parent_tid=[352]}, 88) = 352 [pid 350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 350] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 350] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 351] <... futex resumed>) = 1 [pid 351] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE) = -1 ENOENT (No such file or directory) [pid 351] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 351] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 352 attached [pid 352] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 352] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 352] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 352] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 350] <... futex resumed>) = 0 [pid 350] exit_group(0) = ? [pid 351] <... futex resumed>) = ? [pid 351] +++ exited with 0 +++ [pid 352] <... futex resumed>) = ? [pid 352] +++ exited with 0 +++ [pid 350] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=350, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 353 ./strace-static-x86_64: Process 353 attached [pid 353] set_robust_list(0x5555574796a0, 24) = 0 [pid 353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 353] setpgid(0, 0) = 0 [pid 353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 353] write(3, "1000", 4) = 4 [pid 353] close(3) = 0 [pid 353] write(1, "executing program\n", 18) = 18 [pid 353] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 353] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 353] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 353] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 353] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[354]}, 88) = 354 [pid 353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 353] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 353] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 354 attached [pid 354] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 354] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 354] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 353] <... futex resumed>) = 0 [pid 353] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 353] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 354] <... futex resumed>) = 1 [pid 354] mount("./file0", "./file0", "incremental-fs", 0, NULLexecuting program ) = -1 EINVAL (Invalid argument) [pid 354] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 353] <... futex resumed>) = 0 [pid 353] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 353] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 354] <... futex resumed>) = 1 [pid 354] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 354] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 354] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 354] chdir("./file0") = 0 [pid 354] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 353] <... futex resumed>) = 0 [pid 353] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 353] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 354] <... futex resumed>) = 1 [pid 354] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 354] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 353] <... futex resumed>) = 0 [pid 353] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 353] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 354] <... futex resumed>) = 1 [pid 354] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 354] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 353] <... futex resumed>) = 0 [pid 353] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 353] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 353] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 353] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} => {parent_tid=[355]}, 88) = 355 ./strace-static-x86_64: Process 355 attached [pid 354] <... futex resumed>) = 1 [pid 353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 353] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 353] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 355] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 355] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 355] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 355] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 353] <... futex resumed>) = 0 [pid 355] <... futex resumed>) = 1 [pid 354] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE [pid 355] futex(0x7fb70f3913d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 354] <... renameat2 resumed>) = -1 ENOENT (No such file or directory) [pid 354] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 354] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 353] exit_group(0 [pid 354] <... futex resumed>) = ? [pid 353] <... exit_group resumed>) = ? [pid 354] +++ exited with 0 +++ [pid 355] <... futex resumed>) = ? [ 22.228764][ T345] incfs: mount failed -22 [ 22.248343][ T348] incfs: mount failed -22 [ 22.267633][ T351] incfs: mount failed -22 [pid 355] +++ exited with 0 +++ [pid 353] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=353, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) executing program close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 356 ./strace-static-x86_64: Process 356 attached [pid 356] set_robust_list(0x5555574796a0, 24) = 0 [pid 356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 356] setpgid(0, 0) = 0 [pid 356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 356] write(3, "1000", 4) = 4 [pid 356] close(3) = 0 [pid 356] write(1, "executing program\n", 18) = 18 [pid 356] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 356] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 356] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 356] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 356] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 356] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[357]}, 88) = 357 [pid 356] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 356] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 356] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 357 attached [pid 357] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 357] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 357] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 357] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 356] <... futex resumed>) = 0 [pid 356] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 356] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 357] <... futex resumed>) = 1 [pid 357] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 357] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 356] <... futex resumed>) = 0 [pid 356] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 356] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 357] <... futex resumed>) = 1 [pid 357] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 357] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 357] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 357] chdir("./file0") = 0 [pid 357] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 356] <... futex resumed>) = 0 [pid 356] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 356] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 357] <... futex resumed>) = 1 [pid 357] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 357] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 356] <... futex resumed>) = 0 [pid 356] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 356] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 357] <... futex resumed>) = 1 [pid 357] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 357] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 356] <... futex resumed>) = 0 [pid 356] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 356] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 356] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 356] rt_sigprocmask(SIG_BLOCK, ~[], [pid 357] <... futex resumed>) = 1 [pid 356] <... rt_sigprocmask resumed>[], 8) = 0 [pid 356] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} [pid 357] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE [pid 356] <... clone3 resumed> => {parent_tid=[358]}, 88) = 358 [pid 357] <... renameat2 resumed>) = -1 ENOENT (No such file or directory) [pid 356] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 356] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 356] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 358 attached [pid 358] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 358] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 358] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 358] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 356] <... futex resumed>) = 0 [pid 358] <... futex resumed>) = 1 [pid 358] futex(0x7fb70f3913d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 357] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 357] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 356] exit_group(0 [pid 357] <... futex resumed>) = ? [pid 356] <... exit_group resumed>) = ? [pid 357] +++ exited with 0 +++ [pid 358] <... futex resumed>) = ? [pid 358] +++ exited with 0 +++ [pid 356] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=356, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 359 ./strace-static-x86_64: Process 359 attached [pid 359] set_robust_list(0x5555574796a0, 24) = 0 [pid 359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 359] setpgid(0, 0) = 0 [pid 359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 359] write(3, "1000", 4) = 4 [pid 359] close(3) = 0 [pid 359] write(1, "executing program\n", 18executing program ) = 18 [pid 359] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 359] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 359] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 359] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 359] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[360]}, 88) = 360 [pid 359] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 359] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 359] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 360 attached [pid 360] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 360] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 360] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 360] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 359] <... futex resumed>) = 0 [pid 359] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 359] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 360] <... futex resumed>) = 1 [pid 360] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 360] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 359] <... futex resumed>) = 0 [pid 359] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 359] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 360] <... futex resumed>) = 1 [pid 360] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 360] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 360] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 360] chdir("./file0") = 0 [pid 360] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 359] <... futex resumed>) = 0 [pid 359] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 359] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 360] <... futex resumed>) = 1 [pid 360] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 360] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 359] <... futex resumed>) = 0 [pid 359] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 359] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 360] <... futex resumed>) = 1 [pid 360] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 360] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 359] <... futex resumed>) = 0 [pid 359] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 359] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 359] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 359] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} => {parent_tid=[361]}, 88) = 361 ./strace-static-x86_64: Process 361 attached [pid 360] <... futex resumed>) = 1 [pid 359] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 359] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 359] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 361] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 361] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 361] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 359] <... futex resumed>) = 0 [pid 361] <... futex resumed>) = 1 [pid 361] futex(0x7fb70f3913d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 360] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE) = -1 ENOENT (No such file or directory) [pid 360] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 360] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 359] exit_group(0) = ? [pid 361] <... futex resumed>) = ? [pid 360] <... futex resumed>) = ? [pid 361] +++ exited with 0 +++ [pid 360] +++ exited with 0 +++ [pid 359] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=359, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x555557479690) = 362 ./strace-static-x86_64: Process 362 attached [pid 362] set_robust_list(0x5555574796a0, 24) = 0 [pid 362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 362] setpgid(0, 0) = 0 [pid 362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 362] write(3, "1000", 4) = 4 [pid 362] close(3) = 0 [pid 362] write(1, "executing program\n", 18) = 18 [pid 362] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 362] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 362] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 362] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 362] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[363]}, 88) = 363 [pid 362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 362] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 362] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 363 attached [pid 363] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 363] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 363] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 363] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 362] <... futex resumed>) = 0 [pid 362] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 362] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 363] <... futex resumed>) = 1 [pid 363] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 363] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 362] <... futex resumed>) = 0 [pid 362] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 362] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 363] <... futex resumed>) = 1 [pid 363] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 363] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 363] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 363] chdir("./file0") = 0 [pid 363] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 362] <... futex resumed>) = 0 [pid 362] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 362] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 363] <... futex resumed>) = 1 [pid 363] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 363] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 362] <... futex resumed>) = 0 [pid 362] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 362] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 363] <... futex resumed>) = 1 [pid 363] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 363] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 362] <... futex resumed>) = 0 [pid 362] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 362] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 362] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 362] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} => {parent_tid=[364]}, 88) = 364 [pid 362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 362] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 362] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 364 attached [pid 364] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 364] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 364] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 364] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 362] <... futex resumed>) = 0 [pid 364] <... futex resumed>) = 1 [pid 364] futex(0x7fb70f3913d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 363] <... futex resumed>) = 1 [pid 363] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE) = -1 ENOENT (No such file or directory) [pid 363] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 363] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 362] exit_group(0) = ? [pid 363] <... futex resumed>) = ? [pid 364] <... futex resumed>) = ? [pid 363] +++ exited with 0 +++ [ 22.282818][ T354] incfs: mount failed -22 [ 22.297920][ T357] incfs: mount failed -22 [ 22.319700][ T360] incfs: mount failed -22 [pid 364] +++ exited with 0 +++ [pid 362] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=362, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 365 ./strace-static-x86_64: Process 365 attached [pid 365] set_robust_list(0x5555574796a0, 24) = 0 [pid 365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 365] setpgid(0, 0) = 0 [pid 365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 365] write(3, "1000", 4) = 4 [pid 365] close(3) = 0 [pid 365] write(1, "executing program\n", 18executing program ) = 18 [pid 365] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 365] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 365] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 365] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 365] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 365] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[366]}, 88) = 366 [pid 365] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 365] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 365] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 366 attached [pid 366] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 366] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 366] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 366] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 365] <... futex resumed>) = 0 [pid 365] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 365] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 366] <... futex resumed>) = 1 [pid 366] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 366] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 365] <... futex resumed>) = 0 [pid 365] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 365] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 366] <... futex resumed>) = 1 [pid 366] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 366] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 366] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 366] chdir("./file0") = 0 [pid 366] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 365] <... futex resumed>) = 0 [pid 365] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 365] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 366] <... futex resumed>) = 1 [pid 366] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 366] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 365] <... futex resumed>) = 0 [pid 365] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 365] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 366] <... futex resumed>) = 1 [pid 366] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 366] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 365] <... futex resumed>) = 0 [pid 365] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 365] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 365] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 365] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 365] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0}./strace-static-x86_64: Process 367 attached => {parent_tid=[367]}, 88) = 367 [pid 365] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 365] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 365] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 366] <... futex resumed>) = 1 [pid 366] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE) = -1 ENOENT (No such file or directory) [pid 366] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 366] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 367] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 367] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 367] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 367] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 365] <... futex resumed>) = 0 [pid 365] exit_group(0) = ? [pid 366] <... futex resumed>) = ? [pid 366] +++ exited with 0 +++ [pid 367] <... futex resumed>) = ? [pid 367] +++ exited with 0 +++ [pid 365] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=365, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3executing program ) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 368 ./strace-static-x86_64: Process 368 attached [pid 368] set_robust_list(0x5555574796a0, 24) = 0 [pid 368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 368] setpgid(0, 0) = 0 [pid 368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 368] write(3, "1000", 4) = 4 [pid 368] close(3) = 0 [pid 368] write(1, "executing program\n", 18) = 18 [pid 368] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 368] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 368] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 368] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 368] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 368] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[369]}, 88) = 369 [pid 368] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 368] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 368] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 369 attached [pid 369] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 369] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 369] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 369] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 368] <... futex resumed>) = 0 [pid 368] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 368] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 369] <... futex resumed>) = 1 [pid 369] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 369] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 368] <... futex resumed>) = 0 [pid 368] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 368] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 369] <... futex resumed>) = 1 [pid 369] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 369] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 369] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 369] chdir("./file0") = 0 [pid 369] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 368] <... futex resumed>) = 0 [pid 368] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 368] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 369] <... futex resumed>) = 1 [pid 369] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 369] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 368] <... futex resumed>) = 0 [pid 368] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 368] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 369] <... futex resumed>) = 1 [pid 369] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 369] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 368] <... futex resumed>) = 0 [pid 368] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 368] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 368] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 368] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 368] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0}./strace-static-x86_64: Process 370 attached => {parent_tid=[370]}, 88) = 370 [pid 368] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 368] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 368] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 369] <... futex resumed>) = 1 [pid 369] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE) = -1 ENOENT (No such file or directory) [pid 369] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 369] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 370] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 370] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 370] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 370] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 368] <... futex resumed>) = 0 [pid 368] exit_group(0) = ? [pid 369] <... futex resumed>) = ? [pid 369] +++ exited with 0 +++ [pid 370] <... futex resumed>) = ? [pid 370] +++ exited with 0 +++ [pid 368] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=368, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program , child_tidptr=0x555557479690) = 371 ./strace-static-x86_64: Process 371 attached [pid 371] set_robust_list(0x5555574796a0, 24) = 0 [pid 371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 371] setpgid(0, 0) = 0 [pid 371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 371] write(3, "1000", 4) = 4 [pid 371] close(3) = 0 [pid 371] write(1, "executing program\n", 18) = 18 [pid 371] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 371] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 371] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 371] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 371] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 371] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[372]}, 88) = 372 [pid 371] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 371] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 371] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 372 attached [pid 372] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 372] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 372] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 372] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] <... futex resumed>) = 0 [pid 371] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 371] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 372] <... futex resumed>) = 1 [pid 372] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 372] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] <... futex resumed>) = 0 [pid 371] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 371] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 372] <... futex resumed>) = 1 [pid 372] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 372] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 372] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 372] chdir("./file0") = 0 [pid 372] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] <... futex resumed>) = 0 [pid 371] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 371] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 372] <... futex resumed>) = 1 [pid 372] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 372] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] <... futex resumed>) = 0 [pid 371] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 371] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 372] <... futex resumed>) = 1 [pid 372] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 372] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] <... futex resumed>) = 0 [pid 371] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 371] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 372] <... futex resumed>) = 1 [pid 371] <... mmap resumed>) = 0x7fb70f286000 [pid 371] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 371] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 371] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} => {parent_tid=[373]}, 88) = 373 [pid 371] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 371] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 371] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 373 attached [pid 373] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 373] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 373] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 373] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 371] <... futex resumed>) = 0 [pid 373] <... futex resumed>) = 1 [pid 373] futex(0x7fb70f3913d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 372] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE) = -1 ENOENT (No such file or directory) [pid 372] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 372] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 371] exit_group(0) = ? [pid 373] <... futex resumed>) = ? [pid 373] +++ exited with 0 +++ [pid 372] <... futex resumed>) = ? [ 22.335712][ T363] incfs: mount failed -22 [ 22.355284][ T366] incfs: mount failed -22 [ 22.370205][ T369] incfs: mount failed -22 [pid 372] +++ exited with 0 +++ [pid 371] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=371, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) executing program close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 374 ./strace-static-x86_64: Process 374 attached [pid 374] set_robust_list(0x5555574796a0, 24) = 0 [pid 374] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 374] setpgid(0, 0) = 0 [pid 374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 374] write(3, "1000", 4) = 4 [pid 374] close(3) = 0 [pid 374] write(1, "executing program\n", 18) = 18 [pid 374] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 374] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 374] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 374] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 374] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 374] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[375]}, 88) = 375 [pid 374] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 374] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 374] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 375 attached [pid 375] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 375] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 375] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 375] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 374] <... futex resumed>) = 0 [pid 374] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 374] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 375] <... futex resumed>) = 1 [pid 375] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 375] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 374] <... futex resumed>) = 0 [pid 374] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 374] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 375] <... futex resumed>) = 1 [pid 375] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 375] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 375] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 375] chdir("./file0") = 0 [pid 375] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 374] <... futex resumed>) = 0 [pid 374] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 374] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 375] <... futex resumed>) = 1 [pid 375] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 375] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 374] <... futex resumed>) = 0 [pid 374] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 374] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 375] <... futex resumed>) = 1 [pid 375] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 375] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 374] <... futex resumed>) = 0 [pid 374] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 374] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 374] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 374] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 374] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0}./strace-static-x86_64: Process 376 attached [pid 375] <... futex resumed>) = 1 [pid 374] <... clone3 resumed> => {parent_tid=[376]}, 88) = 376 [pid 374] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 374] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 374] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 376] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 376] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 376] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 376] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 374] <... futex resumed>) = 0 [pid 376] <... futex resumed>) = 1 [pid 376] futex(0x7fb70f3913d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 375] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE) = -1 ENOENT (No such file or directory) [pid 375] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 375] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 374] exit_group(0) = ? [pid 375] <... futex resumed>) = ? [pid 376] <... futex resumed>) = ? [pid 375] +++ exited with 0 +++ [pid 376] +++ exited with 0 +++ [pid 374] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=374, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 377 ./strace-static-x86_64: Process 377 attached [pid 377] set_robust_list(0x5555574796a0, 24) = 0 [pid 377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 377] setpgid(0, 0) = 0 [pid 377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 377] write(3, "1000", 4) = 4 [pid 377] close(3) = 0 [pid 377] write(1, "executing program\n", 18executing program ) = 18 [pid 377] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 377] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 377] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 377] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 377] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 377] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[378]}, 88) = 378 [pid 377] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 377] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 377] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 378 attached [pid 378] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 378] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 378] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 378] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 377] <... futex resumed>) = 0 [pid 377] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 377] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 378] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 378] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 377] <... futex resumed>) = 0 [pid 377] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 377] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 378] <... futex resumed>) = 1 [pid 378] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 378] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 378] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 378] chdir("./file0") = 0 [pid 378] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 377] <... futex resumed>) = 0 [pid 377] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 377] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 378] <... futex resumed>) = 1 [pid 378] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 378] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 377] <... futex resumed>) = 0 [pid 377] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 377] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 378] <... futex resumed>) = 1 [pid 378] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 378] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 377] <... futex resumed>) = 0 [pid 377] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 377] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 378] <... futex resumed>) = 1 [pid 377] <... mmap resumed>) = 0x7fb70f286000 [pid 378] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE) = -1 ENOENT (No such file or directory) [pid 377] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 377] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 377] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} => {parent_tid=[379]}, 88) = 379 [pid 377] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 377] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 377] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 379 attached [pid 379] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 379] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 379] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 379] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 377] <... futex resumed>) = 0 [pid 379] <... futex resumed>) = 1 [pid 379] futex(0x7fb70f3913d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 378] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 378] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 377] exit_group(0) = ? [pid 379] <... futex resumed>) = ? [pid 379] +++ exited with 0 +++ [pid 378] <... futex resumed>) = ? [pid 378] +++ exited with 0 +++ [pid 377] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=377, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 380 ./strace-static-x86_64: Process 380 attached [pid 380] set_robust_list(0x5555574796a0, 24) = 0 [pid 380] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 380] setpgid(0, 0) = 0 [pid 380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 380] write(3, "1000", 4) = 4 [pid 380] close(3) = 0 [pid 380] write(1, "executing program\n", 18executing program ) = 18 [pid 380] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 380] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 380] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 380] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 380] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 380] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[381]}, 88) = 381 [pid 380] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 380] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 380] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 381 attached [pid 381] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 381] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 381] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 381] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] <... futex resumed>) = 0 [pid 380] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 380] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 381] <... futex resumed>) = 1 [pid 381] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 381] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 380] <... futex resumed>) = 0 [pid 380] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 380] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 381] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 381] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 381] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 381] chdir("./file0") = 0 [pid 381] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] <... futex resumed>) = 0 [pid 380] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 380] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 381] <... futex resumed>) = 1 [pid 381] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 381] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] <... futex resumed>) = 0 [pid 380] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 380] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 381] <... futex resumed>) = 1 [pid 381] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 381] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] <... futex resumed>) = 0 [pid 380] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 380] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 380] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 380] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 380] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} => {parent_tid=[383]}, 88) = 383 [pid 380] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 380] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 380] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 381] <... futex resumed>) = 1 [pid 381] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE) = -1 ENOENT (No such file or directory) [pid 381] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 381] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 383 attached [pid 383] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 383] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 383] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 383] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 380] <... futex resumed>) = 0 [pid 380] exit_group(0) = ? [pid 381] <... futex resumed>) = ? [pid 381] +++ exited with 0 +++ [pid 383] <... futex resumed>) = ? [pid 383] +++ exited with 0 +++ [pid 380] +++ exited with 0 +++ [ 22.385202][ T372] incfs: mount failed -22 [ 22.401531][ T375] incfs: mount failed -22 [ 22.422879][ T378] incfs: mount failed -22 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=380, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 384 ./strace-static-x86_64: Process 384 attached [pid 384] set_robust_list(0x5555574796a0, 24) = 0 [pid 384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 384] setpgid(0, 0) = 0 [pid 384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 384] write(3, "1000", 4) = 4 [pid 384] close(3) = 0 [pid 384] write(1, "executing program\n", 18executing program ) = 18 [pid 384] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 384] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 384] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 384] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 384] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 384] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[385]}, 88) = 385 [pid 384] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 384] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 384] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 385 attached [pid 385] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 385] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 385] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 385] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 384] <... futex resumed>) = 0 [pid 384] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 384] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 385] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 385] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] <... futex resumed>) = 0 [pid 384] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 384] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 385] <... futex resumed>) = 1 [pid 385] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 385] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 385] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 385] chdir("./file0") = 0 [pid 385] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] <... futex resumed>) = 0 [pid 384] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 384] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 385] <... futex resumed>) = 1 [pid 385] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 385] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] <... futex resumed>) = 0 [pid 384] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 384] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 385] <... futex resumed>) = 1 [pid 385] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 385] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] <... futex resumed>) = 0 [pid 384] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 384] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 384] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 384] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 384] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} => {parent_tid=[386]}, 88) = 386 [pid 384] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 384] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 384] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 385] <... futex resumed>) = 1 [pid 385] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE) = -1 ENOENT (No such file or directory) [pid 385] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 385] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 386 attached [pid 386] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 386] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 386] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 386] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 384] <... futex resumed>) = 0 [pid 384] exit_group(0) = ? [pid 385] <... futex resumed>) = ? [pid 385] +++ exited with 0 +++ [pid 386] <... futex resumed>) = ? [pid 386] +++ exited with 0 +++ [pid 384] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=384, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 387 ./strace-static-x86_64: Process 387 attached [pid 387] set_robust_list(0x5555574796a0, 24) = 0 [pid 387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 387] setpgid(0, 0) = 0 [pid 387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 387] write(3, "1000", 4) = 4 [pid 387] close(3) = 0 [pid 387] write(1, "executing program\n", 18executing program ) = 18 [pid 387] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 387] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 387] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 387] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[388]}, 88) = 388 [pid 387] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 387] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 388 attached [pid 388] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 388] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 388] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 388] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] <... futex resumed>) = 0 [pid 387] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] <... futex resumed>) = 1 [pid 388] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 388] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 387] <... futex resumed>) = 0 [pid 387] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 388] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 388] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 388] chdir("./file0") = 0 [pid 388] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 387] <... futex resumed>) = 0 [pid 388] openat(AT_FDCWD, ".", O_RDONLY [pid 387] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] <... openat resumed>) = 4 [pid 388] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 387] <... futex resumed>) = 0 [pid 388] mkdirat(AT_FDCWD, "./file1", 000 [pid 387] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 388] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] <... futex resumed>) = 0 [pid 387] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 387] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 387] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} => {parent_tid=[389]}, 88) = 389 [pid 387] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 387] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 387] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 388] <... futex resumed>) = 1 [pid 388] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE) = -1 ENOENT (No such file or directory) [pid 388] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 388] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 389 attached [pid 389] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 389] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 389] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 387] <... futex resumed>) = 0 [pid 387] exit_group(0) = ? [pid 388] <... futex resumed>) = ? [pid 388] +++ exited with 0 +++ [pid 389] <... futex resumed>) = ? [pid 389] +++ exited with 0 +++ [pid 387] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=387, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 390 ./strace-static-x86_64: Process 390 attached [pid 390] set_robust_list(0x5555574796a0, 24) = 0 [pid 390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 390] setpgid(0, 0) = 0 [pid 390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 390] write(3, "1000", 4) = 4 [pid 390] close(3) = 0 [pid 390] write(1, "executing program\n", 18executing program ) = 18 [pid 390] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 390] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 390] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 390] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 390] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 390] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0}./strace-static-x86_64: Process 392 attached [pid 392] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 392] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 392] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 390] <... clone3 resumed> => {parent_tid=[392]}, 88) = 392 [pid 390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 390] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 392] <... futex resumed>) = 0 [pid 392] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 390] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 392] <... futex resumed>) = 0 [pid 392] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 390] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 390] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 392] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 390] <... futex resumed>) = 0 [pid 390] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 390] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 392] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 392] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 392] chdir("./file0") = 0 [pid 392] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 390] <... futex resumed>) = 0 [pid 390] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 390] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] <... futex resumed>) = 1 [pid 392] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 392] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 390] <... futex resumed>) = 0 [pid 390] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 390] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] <... futex resumed>) = 1 [pid 392] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 392] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 390] <... futex resumed>) = 0 [pid 390] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 390] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 390] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 390] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 390] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} => {parent_tid=[393]}, 88) = 393 [pid 390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 390] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 390] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 392] <... futex resumed>) = 1 [pid 392] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE) = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 393 attached [pid 392] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 392] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 393] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 393] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 393] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 393] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 390] <... futex resumed>) = 0 [pid 390] exit_group(0) = ? [pid 392] <... futex resumed>) = ? [pid 392] +++ exited with 0 +++ [pid 393] <... futex resumed>) = ? [pid 393] +++ exited with 0 +++ [pid 390] +++ exited with 0 +++ [ 22.442815][ T381] incfs: mount failed -22 [ 22.462555][ T385] incfs: mount failed -22 [ 22.479873][ T388] incfs: mount failed -22 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=390, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557479690) = 394 ./strace-static-x86_64: Process 394 attached [pid 394] set_robust_list(0x5555574796a0, 24) = 0 [pid 394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 394] setpgid(0, 0) = 0 [pid 394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 394] write(3, "1000", 4) = 4 [pid 394] close(3) = 0 [pid 394] write(1, "executing program\n", 18executing program ) = 18 [pid 394] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] rt_sigaction(SIGRT_1, {sa_handler=0x7fb70f32f6f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb70f320d70}, NULL, 8) = 0 [pid 394] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f2a7000 [pid 394] mprotect(0x7fb70f2a8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 394] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 394] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2c7990, parent_tid=0x7fb70f2c7990, exit_signal=0, stack=0x7fb70f2a7000, stack_size=0x20300, tls=0x7fb70f2c76c0} => {parent_tid=[395]}, 88) = 395 [pid 394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 394] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 395 attached [pid 395] set_robust_list(0x7fb70f2c79a0, 24) = 0 [pid 395] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 395] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists) [pid 395] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 394] <... futex resumed>) = 0 [pid 394] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 395] <... futex resumed>) = 1 [pid 395] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument) [pid 395] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 394] <... futex resumed>) = 0 [pid 395] futex(0x7fb70f3913c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 394] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 395] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 395] mount(NULL, "./file0", 0x20000140, MS_PRIVATE, 0x7fb70f2c7100) = 0 [pid 395] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 395] chdir("./file0") = 0 [pid 395] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 394] <... futex resumed>) = 0 [pid 394] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 395] <... futex resumed>) = 1 [pid 395] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 395] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 394] <... futex resumed>) = 0 [pid 394] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] futex(0x7fb70f3913cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 395] <... futex resumed>) = 1 [pid 395] mkdirat(AT_FDCWD, "./file1", 000) = -1 EEXIST (File exists) [pid 395] futex(0x7fb70f3913cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 394] <... futex resumed>) = 0 [pid 394] futex(0x7fb70f3913c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb70f286000 [pid 394] mprotect(0x7fb70f287000, 131072, PROT_READ|PROT_WRITE [pid 395] <... futex resumed>) = 1 [pid 394] <... mprotect resumed>) = 0 [pid 394] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 394] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb70f2a6990, parent_tid=0x7fb70f2a6990, exit_signal=0, stack=0x7fb70f286000, stack_size=0x20300, tls=0x7fb70f2a66c0} => {parent_tid=[396]}, 88) = 396 [pid 395] renameat2(4, "./file1", 4, "./bus", RENAME_EXCHANGE [pid 394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 394] futex(0x7fb70f3913d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 394] futex(0x7fb70f3913dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 396 attached [pid 396] set_robust_list(0x7fb70f2a69a0, 24) = 0 [pid 396] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 396] openat(-1, ".pending_reads", O_RDONLY) = -1 EBADF (Bad file descriptor) [pid 396] futex(0x7fb70f3913dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 394] <... futex resumed>) = 0 [pid 396] <... futex resumed>) = 1 [ 22.511525][ T392] incfs: mount failed -22 [ 22.530064][ T395] incfs: mount failed -22 [ 22.540161][ T395] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN [ 22.551802][ T395] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 22.560038][ T395] CPU: 0 PID: 395 Comm: syz-executor200 Not tainted 6.1.75-syzkaller-00026-g68c821783c76 #0 [ 22.569933][ T395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 22.579832][ T395] RIP: 0010:dir_rename_wrap+0x256/0x720 [ 22.585210][ T395] Code: 4c 8b 3c 24 e9 3e 04 00 00 e8 06 d2 51 ff 31 db 4c 89 6c 24 18 48 83 c3 08 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 ec d0 98 ff 4c 8b 2b 48 8b 5c 24 28 [ 22.604739][ T395] RSP: 0018:ffffc90000f77980 EFLAGS: 00010202 [ 22.610637][ T395] RAX: 0000000000000001 RBX: 0000000000000008 RCX: dffffc0000000000 [ 22.618453][ T395] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 22.626347][ T395] RBP: ffffc90000f77ab0 R08: ffffffff82239d4d R09: fffff520001eef21 [ 22.634164][ T395] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11020128d03 [ 22.641969][ T395] R13: 1ffff11020128d05 R14: ffff888100946818 R15: ffff888100946828 [ 22.649789][ T395] FS: 00007fb70f2c76c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 22.658550][ T395] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.664970][ T395] CR2: 00007fb70f345450 CR3: 0000000121416000 CR4: 00000000003506b0 [ 22.672782][ T395] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.680592][ T395] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.688534][ T395] Call Trace: [ 22.691617][ T395] [ 22.694394][ T395] ? __die_body+0x62/0xb0 [ 22.698558][ T395] ? die_addr+0x9f/0xd0 [ 22.702559][ T395] ? exc_general_protection+0x317/0x4c0 [ 22.707938][ T395] ? asm_exc_general_protection+0x27/0x30 [ 22.713574][ T395] ? dir_rename_wrap+0x10d/0x720 [ 22.718347][ T395] ? dir_rename_wrap+0x256/0x720 [ 22.723121][ T395] ? rwsem_write_trylock+0x15b/0x290 [ 22.728332][ T395] ? dir_rmdir+0x2f0/0x2f0 [ 22.732584][ T395] ? down_write+0xd/0x30 [ 22.736662][ T395] ? try_break_deleg+0x7c/0x120 [ 22.741345][ T395] ? dir_rmdir+0x2f0/0x2f0 [ 22.745600][ T395] vfs_rename+0xbf9/0xf90 [ 22.749870][ T395] ? __ia32_sys_link+0x90/0x90 [ 22.754455][ T395] ? lookup_one_qstr_excl+0x151/0x290 [ 22.759662][ T395] do_renameat2+0xa9b/0x1400 [ 22.764093][ T395] ? fsnotify_move+0x4e0/0x4e0 [ 22.768703][ T395] ? strncpy_from_user+0x169/0x2b0 [ 22.773635][ T395] ? getname_flags+0x1fd/0x520 [ 22.778235][ T395] __x64_sys_renameat2+0xdd/0xf0 [ 22.783009][ T395] do_syscall_64+0x3d/0xb0 [ 22.787272][ T395] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 22.793138][ T395] RIP: 0033:0x7fb70f309789 [ 22.797416][ T395] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 22.816967][ T395] RSP: 002b:00007fb70f2c7218 EFLAGS: 00000246 ORIG_RAX: 000000000000013c [ 22.825195][ T395] RAX: ffffffffffffffda RBX: 00007fb70f3913c8 RCX: 00007fb70f309789 [ 22.833009][ T395] RDX: 0000000000000004 RSI: 0000000020000040 RDI: 0000000000000004 [ 22.840813][ T395] RBP: 00007fb70f3913c0 R08: 0000000000000002 R09: 0000000000000000 [ 22.848628][ T395] R10: 0000000020000080 R11: 0000000000000246 R12: 00007fb70f35e0c4 [ 22.856436][ T395] R13: 0031656c69662f2e R14: 00007fb70f35e070 R15: 676e69646e65702e [ 22.864254][ T395] [ 22.867138][ T395] Modules linked in: [ 22.871068][ T395] ---[ end trace 0000000000000000 ]--- [ 22.876521][ T395] RIP: 0010:dir_rename_wrap+0x256/0x720 [ 22.882007][ T395] Code: 4c 8b 3c 24 e9 3e 04 00 00 e8 06 d2 51 ff 31 db 4c 89 6c 24 18 48 83 c3 08 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 ec d0 98 ff 4c 8b 2b 48 8b 5c 24 28 [ 22.901893][ T395] RSP: 0018:ffffc90000f77980 EFLAGS: 00010202 [ 22.907859][ T395] RAX: 0000000000000001 RBX: 0000000000000008 RCX: dffffc0000000000 [ 22.915704][ T395] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 22.923533][ T395] RBP: ffffc90000f77ab0 R08: ffffffff82239d4d R09: fffff520001eef21 [ 22.931384][ T395] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11020128d03 [ 22.939235][ T395] R13: 1ffff11020128d05 R14: ffff888100946818 R15: ffff888100946828 [ 22.947055][ T395] FS: 00007fb70f2c76c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 22.955797][ T395] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.962242][ T395] CR2: 00007fb70f345450 CR3: 0000000121416000 CR4: 00000000003506b0 [ 22.970012][ T395] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.977852][ T395] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.985647][ T395] Kernel panic - not syncing: Fatal exception [ 22.991783][ T395] Kernel Offset: disabled [ 22.995926][ T395] Rebooting in 86400 seconds..