./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor766421203

<...>
Warning: Permanently added '10.128.0.3' (ED25519) to the list of known hosts.
execve("./syz-executor766421203", ["./syz-executor766421203"], 0x7ffcd441ee10 /* 10 vars */) = 0
brk(NULL)                               = 0x555594deb000
brk(0x555594debd40)                     = 0x555594debd40
arch_prctl(ARCH_SET_FS, 0x555594deb3c0) = 0
set_tid_address(0x555594deb690)         = 5842
set_robust_list(0x555594deb6a0, 24)     = 0
rseq(0x555594debce0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor766421203", 4096) = 27
getrandom("\x62\xc0\xef\xa5\x93\x3e\xad\x99", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555594debd40
brk(0x555594e0cd40)                     = 0x555594e0cd40
brk(0x555594e0d000)                     = 0x555594e0d000
mprotect(0x7f62876bd000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
mkdir("./syzkaller.W7YR1J", 0700)       = 0
chmod("./syzkaller.W7YR1J", 0777)       = 0
chdir("./syzkaller.W7YR1J")             = 0
mkdir("./0", 0777)                      = 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./strace-static-x86_64: Process 5843 attached
 <unfinished ...>
[pid  5843] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5843] chdir("./0" <unfinished ...>
[pid  5842] <... clone resumed>, child_tidptr=0x555594deb690) = 5843
[pid  5843] <... chdir resumed>)        = 0
[pid  5843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5843] setpgid(0, 0)               = 0
[pid  5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5843] write(3, "1000", 4)         = 4
[pid  5843] close(3)                    = 0
[pid  5843] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5843] write(1, "executing program\n", 18) = 18
[pid  5843] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5843] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5843] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5843] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5843] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5844 attached
 <unfinished ...>
[pid  5844] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5844] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5843] <... clone3 resumed> => {parent_tid=[5844]}, 88) = 5844
[pid  5844] <... set_robust_list resumed>) = 0
[pid  5843] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5844] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5843] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5844] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5843] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5844] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5843] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5844] <... memfd_create resumed>) = 3
[pid  5843] <... futex resumed>)        = 0
[pid  5844] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f627f000000
[pid  5843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875af000
[pid  5843] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5844] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768) = 32768
[pid  5843] <... mprotect resumed>)     = 0
[pid  5844] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5843] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5844] <... munmap resumed>)       = 0
[pid  5843] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5845 attached
 <unfinished ...>
[pid  5844] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5845] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5844] <... openat resumed>)       = 4
[pid  5845] <... rseq resumed>)         = 0
[pid  5845] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5844] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5845] <... set_robust_list resumed>) = 0
[pid  5845] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5843] <... clone3 resumed> => {parent_tid=[5845]}, 88) = 5845
[pid  5845] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5843] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5845] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5843] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5844] <... ioctl resumed>)        = 0
[pid  5844] close(3)                    = 0
[pid  5843] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5844] close(4 <unfinished ...>
[pid  5843] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5845] <... futex resumed>)        = 0
[pid  5844] <... close resumed>)        = 0
[pid  5844] mkdir("./file0", 0777 <unfinished ...>
[pid  5845] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory)
[pid  5844] <... mkdir resumed>)        = 0
[pid  5844] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869," <unfinished ...>
[pid  5845] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5843] <... futex resumed>)        = 0
[pid  5845] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5844] <... mount resumed>)        = 0
[pid  5844] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[  116.981313][ T5844] loop0: detected capacity change from 0 to 64
[pid  5844] chdir("./file0")            = 0
[pid  5844] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5844] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5843] exit_group(0 <unfinished ...>
[pid  5844] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid  5845] <... futex resumed>)        = ?
[pid  5843] <... exit_group resumed>)   = ?
[pid  5845] +++ exited with 0 +++
[pid  5844] +++ exited with 0 +++
[pid  5843] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5843, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./0/file0")                      = 0
umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./0/binderfs")                  = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./0")                            = 0
mkdir("./1", 0777)                      = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555594deb690) = 5846
./strace-static-x86_64: Process 5846 attached
[pid  5846] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5846] chdir("./1")                = 0
[pid  5846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5846] setpgid(0, 0)               = 0
[pid  5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5846] write(3, "1000", 4)         = 4
[pid  5846] close(3)                    = 0
[pid  5846] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5846] write(1, "executing program\n", 18) = 18
[pid  5846] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5846] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5846] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5846] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5846] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5846] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5846] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5847 attached
 => {parent_tid=[5847]}, 88) = 5847
[pid  5846] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5847] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5846] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5847] <... rseq resumed>)         = 0
[pid  5846] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5847] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5846] <... futex resumed>)        = 0
[pid  5847] <... set_robust_list resumed>) = 0
[pid  5847] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5846] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5847] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5846] <... futex resumed>)        = 0
[pid  5847] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5846] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5847] <... memfd_create resumed>) = 3
[pid  5846] <... mmap resumed>)         = 0x7f62875af000
[pid  5847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5846] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5847] <... mmap resumed>)         = 0x7f627f000000
[pid  5846] <... mprotect resumed>)     = 0
[pid  5846] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5847] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5846] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5848 attached
 <unfinished ...>
[pid  5848] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5847] <... write resumed>)        = 32768
[pid  5848] <... rseq resumed>)         = 0
[pid  5848] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5847] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5846] <... clone3 resumed> => {parent_tid=[5848]}, 88) = 5848
[pid  5848] <... set_robust_list resumed>) = 0
[pid  5846] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5848] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5847] <... munmap resumed>)       = 0
[pid  5846] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5846] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5848] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5847] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5846] <... futex resumed>)        = 0
[pid  5848] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5846] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5847] <... openat resumed>)       = 4
[pid  5848] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5847] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5848] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5846] <... futex resumed>)        = 0
[pid  5848] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5847] <... ioctl resumed>)        = 0
[pid  5847] close(3)                    = 0
[pid  5847] close(4)                    = 0
[pid  5847] mkdir("./file0", 0777)      = 0
[pid  5847] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[  117.465068][ T5847] loop0: detected capacity change from 0 to 64
[pid  5847] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5847] chdir("./file0")            = 0
[pid  5847] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5847] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5846] exit_group(0 <unfinished ...>
[pid  5847] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid  5846] <... exit_group resumed>)   = ?
[pid  5847] +++ exited with 0 +++
[pid  5848] <... futex resumed>)        = ?
[pid  5848] +++ exited with 0 +++
[pid  5846] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5846, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./1/file0")                      = 0
umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./1/binderfs")                  = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./1")                            = 0
mkdir("./2", 0777)                      = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5849 attached
, child_tidptr=0x555594deb690) = 5849
[pid  5849] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5849] chdir("./2")                = 0
[pid  5849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5849] setpgid(0, 0)               = 0
[pid  5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5849] write(3, "1000", 4)         = 4
[pid  5849] close(3)                    = 0
[pid  5849] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5849] write(1, "executing program\n", 18) = 18
[pid  5849] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5849] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5849] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5849] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5849] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5849] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5850 attached
 <unfinished ...>
[pid  5850] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5849] <... clone3 resumed> => {parent_tid=[5850]}, 88) = 5850
[pid  5850] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5849] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5850] <... set_robust_list resumed>) = 0
[pid  5849] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5850] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5849] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5850] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5849] <... futex resumed>)        = 0
[pid  5850] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5849] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875af000
[pid  5850] <... memfd_create resumed>) = 3
[pid  5849] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5849] <... mprotect resumed>)     = 0
[pid  5850] <... mmap resumed>)         = 0x7f627f000000
[pid  5849] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5850] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5849] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5850] <... write resumed>)        = 32768
[pid  5849] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5851 attached
 <unfinished ...>
[pid  5850] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5851] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5850] <... munmap resumed>)       = 0
[pid  5851] <... rseq resumed>)         = 0
[pid  5851] set_robust_list(0x7f62875cf9a0, 24) = 0
[pid  5849] <... clone3 resumed> => {parent_tid=[5851]}, 88) = 5851
[pid  5851] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5850] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5849] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5851] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5850] <... openat resumed>)       = 4
[pid  5849] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5851] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5849] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5851] <... futex resumed>)        = 0
[pid  5849] <... futex resumed>)        = 1
[pid  5851] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5850] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5849] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5851] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5851] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5849] <... futex resumed>)        = 0
[pid  5851] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5850] <... ioctl resumed>)        = 0
[pid  5850] close(3)                    = 0
[pid  5850] close(4)                    = 0
[pid  5850] mkdir("./file0", 0777)      = 0
[pid  5850] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5850] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5850] chdir("./file0")            = 0
[  117.941524][ T5850] loop0: detected capacity change from 0 to 64
[pid  5850] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5850] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5850] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5849] exit_group(0 <unfinished ...>
[pid  5851] <... futex resumed>)        = ?
[pid  5850] <... futex resumed>)        = ?
[pid  5849] <... exit_group resumed>)   = ?
[pid  5851] +++ exited with 0 +++
[pid  5850] +++ exited with 0 +++
[pid  5849] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5849, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./2/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./2/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./2/file0")                      = 0
umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./2/binderfs")                  = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./2")                            = 0
mkdir("./3", 0777)                      = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5852 attached
, child_tidptr=0x555594deb690) = 5852
[pid  5852] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5852] chdir("./3")                = 0
[pid  5852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5852] setpgid(0, 0)               = 0
[pid  5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5852] write(3, "1000", 4)         = 4
[pid  5852] close(3)                    = 0
[pid  5852] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5852] write(1, "executing program\n", 18) = 18
[pid  5852] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5852] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5852] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5852] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5853 attached
 <unfinished ...>
[pid  5853] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5852] <... clone3 resumed> => {parent_tid=[5853]}, 88) = 5853
[pid  5853] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5852] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5853] <... set_robust_list resumed>) = 0
[pid  5852] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5853] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5852] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5853] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5852] <... futex resumed>)        = 0
[pid  5853] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5852] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875af000
[pid  5853] <... memfd_create resumed>) = 3
[pid  5852] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5852] <... mprotect resumed>)     = 0
[pid  5853] <... mmap resumed>)         = 0x7f627f000000
[pid  5852] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5853] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5852] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5854 attached
 <unfinished ...>
[pid  5853] <... write resumed>)        = 32768
[pid  5854] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5853] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5854] <... rseq resumed>)         = 0
[pid  5853] <... munmap resumed>)       = 0
[pid  5854] set_robust_list(0x7f62875cf9a0, 24) = 0
[pid  5852] <... clone3 resumed> => {parent_tid=[5854]}, 88) = 5854
[pid  5854] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5853] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5852] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5854] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5853] <... openat resumed>)       = 4
[pid  5852] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5854] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5852] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5854] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5853] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5852] <... futex resumed>)        = 0
[pid  5854] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory)
[pid  5852] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5854] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5852] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5854] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5853] <... ioctl resumed>)        = 0
[pid  5853] close(3)                    = 0
[pid  5853] close(4)                    = 0
[pid  5853] mkdir("./file0", 0777)      = 0
[pid  5853] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5853] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5853] chdir("./file0")            = 0
[  118.441629][ T5853] loop0: detected capacity change from 0 to 64
[pid  5853] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5853] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5852] exit_group(0 <unfinished ...>
[pid  5853] <... futex resumed>)        = 0
[pid  5853] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5854] <... futex resumed>)        = ?
[pid  5852] <... exit_group resumed>)   = ?
[pid  5854] +++ exited with 0 +++
[pid  5853] <... futex resumed>)        = ?
[pid  5853] +++ exited with 0 +++
[pid  5852] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5852, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./3/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./3/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./3/file0")                      = 0
umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./3/binderfs")                  = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./3")                            = 0
mkdir("./4", 0777)                      = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5855 attached
 <unfinished ...>
[pid  5855] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5855] chdir("./4")                = 0
[pid  5855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5855] setpgid(0, 0 <unfinished ...>
[pid  5842] <... clone resumed>, child_tidptr=0x555594deb690) = 5855
[pid  5855] <... setpgid resumed>)      = 0
[pid  5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5855] write(3, "1000", 4)         = 4
[pid  5855] close(3)                    = 0
[pid  5855] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5855] write(1, "executing program\n", 18) = 18
[pid  5855] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5855] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5855] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5855] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5855] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5857 attached
 <unfinished ...>
[pid  5857] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5855] <... clone3 resumed> => {parent_tid=[5857]}, 88) = 5857
[pid  5857] <... rseq resumed>)         = 0
[pid  5857] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5855] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5857] <... set_robust_list resumed>) = 0
[pid  5855] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5857] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5855] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5857] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5855] <... futex resumed>)        = 0
[pid  5857] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5855] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5857] <... memfd_create resumed>) = 3
[pid  5855] <... mmap resumed>)         = 0x7f62875af000
[pid  5857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5855] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5857] <... mmap resumed>)         = 0x7f627f000000
[pid  5855] <... mprotect resumed>)     = 0
[pid  5857] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768) = 32768
[pid  5855] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5857] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5855] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5857] <... munmap resumed>)       = 0
[pid  5855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5858 attached
 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5858] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5857] <... openat resumed>)       = 4
[pid  5858] <... rseq resumed>)         = 0
[pid  5858] set_robust_list(0x7f62875cf9a0, 24) = 0
[pid  5857] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5855] <... clone3 resumed> => {parent_tid=[5858]}, 88) = 5858
[pid  5858] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5855] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5855] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5855] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5858] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5858] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory)
[pid  5857] <... ioctl resumed>)        = 0
[pid  5858] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5858] <... futex resumed>)        = 1
[pid  5857] <... close resumed>)        = 0
[pid  5855] <... futex resumed>)        = 0
[pid  5857] close(4)                    = 0
[pid  5858] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5857] mkdir("./file0", 0777)      = 0
[pid  5857] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5857] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5857] chdir("./file0")            = 0
[pid  5857] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5857] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5855] exit_group(0 <unfinished ...>
[pid  5858] <... futex resumed>)        = ?
[pid  5857] <... futex resumed>)        = ?
[pid  5858] +++ exited with 0 +++
[pid  5857] +++ exited with 0 +++
[pid  5855] <... exit_group resumed>)   = ?
[pid  5855] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5855, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[  118.903463][ T5857] loop0: detected capacity change from 0 to 64
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./4/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./4/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./4/file0")                      = 0
umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./4/binderfs")                  = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./4")                            = 0
mkdir("./5", 0777)                      = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5859 attached
 <unfinished ...>
[pid  5859] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5859] chdir("./5" <unfinished ...>
[pid  5842] <... clone resumed>, child_tidptr=0x555594deb690) = 5859
[pid  5859] <... chdir resumed>)        = 0
[pid  5859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5859] setpgid(0, 0)               = 0
[pid  5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5859] write(3, "1000", 4)         = 4
[pid  5859] close(3)                    = 0
[pid  5859] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5859] write(1, "executing program\n", 18) = 18
[pid  5859] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5859] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5859] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5859] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5859] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5859] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5860 attached
 <unfinished ...>
[pid  5860] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5860] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5859] <... clone3 resumed> => {parent_tid=[5860]}, 88) = 5860
[pid  5860] <... set_robust_list resumed>) = 0
[pid  5859] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5860] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5859] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5860] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5860] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5859] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5860] <... memfd_create resumed>) = 3
[pid  5859] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5860] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5859] <... futex resumed>)        = 0
[pid  5860] <... mmap resumed>)         = 0x7f627f000000
[pid  5859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875af000
[pid  5860] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5859] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5860] <... write resumed>)        = 32768
[pid  5859] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5859] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5861 attached
 <unfinished ...>
[pid  5860] munmap(0x7f627f000000, 138412032) = 0
[pid  5861] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053) = 0
[pid  5859] <... clone3 resumed> => {parent_tid=[5861]}, 88) = 5861
[pid  5861] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5860] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5859] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5861] <... set_robust_list resumed>) = 0
[pid  5860] <... openat resumed>)       = 4
[pid  5859] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5861] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5859] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5861] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5860] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5859] <... futex resumed>)        = 0
[pid  5861] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5859] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5861] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5861] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5859] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5860] <... ioctl resumed>)        = 0
[pid  5860] close(3)                    = 0
[pid  5860] close(4)                    = 0
[pid  5860] mkdir("./file0", 0777)      = 0
[pid  5860] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5860] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5860] chdir("./file0")            = 0
[pid  5860] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[  119.403948][ T5860] loop0: detected capacity change from 0 to 64
[pid  5860] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5860] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5859] exit_group(0 <unfinished ...>
[pid  5861] <... futex resumed>)        = ?
[pid  5860] <... futex resumed>)        = ?
[pid  5859] <... exit_group resumed>)   = ?
[pid  5861] +++ exited with 0 +++
[pid  5860] +++ exited with 0 +++
[pid  5859] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5859, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./5/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./5/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./5/file0")                      = 0
umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./5/binderfs")                  = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./5")                            = 0
mkdir("./6", 0777)                      = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5862 attached
, child_tidptr=0x555594deb690) = 5862
[pid  5862] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5862] chdir("./6")                = 0
[pid  5862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5862] setpgid(0, 0)               = 0
[pid  5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5862] write(3, "1000", 4)         = 4
[pid  5862] close(3)                    = 0
[pid  5862] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5862] write(1, "executing program\n", 18executing program
) = 18
[pid  5862] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5862] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5862] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5862] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5862] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5862] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5863 attached
 <unfinished ...>
[pid  5863] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5863] set_robust_list(0x7f62875f09a0, 24) = 0
[pid  5863] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5863] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5862] <... clone3 resumed> => {parent_tid=[5863]}, 88) = 5863
[pid  5862] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5862] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5863] <... futex resumed>)        = 0
[pid  5862] <... futex resumed>)        = 1
[pid  5863] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5862] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5863] <... memfd_create resumed>) = 3
[pid  5863] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f627f000000
[pid  5862] <... futex resumed>)        = 0
[pid  5862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5863] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5862] <... mmap resumed>)         = 0x7f62875af000
[pid  5862] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5863] <... write resumed>)        = 32768
[pid  5863] munmap(0x7f627f000000, 138412032) = 0
[pid  5862] <... mprotect resumed>)     = 0
[pid  5862] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5862] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5862] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5864 attached
 <unfinished ...>
[pid  5864] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5862] <... clone3 resumed> => {parent_tid=[5864]}, 88) = 5864
[pid  5864] <... rseq resumed>)         = 0
[pid  5862] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5864] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5862] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5864] <... set_robust_list resumed>) = 0
[pid  5862] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5864] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5862] <... futex resumed>)        = 0
[pid  5864] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5863] <... openat resumed>)       = 4
[pid  5862] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5863] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5864] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5864] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5863] <... ioctl resumed>)        = 0
[pid  5862] <... futex resumed>)        = 0
[pid  5863] close(3 <unfinished ...>
[pid  5864] <... futex resumed>)        = 1
[pid  5863] <... close resumed>)        = 0
[pid  5864] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5863] close(4)                    = 0
[pid  5863] mkdir("./file0", 0777)      = 0
[pid  5863] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5863] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5863] chdir("./file0")            = 0
[pid  5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5863] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5863] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5862] exit_group(0 <unfinished ...>
[pid  5864] <... futex resumed>)        = ?
[pid  5863] <... futex resumed>)        = ?
[pid  5862] <... exit_group resumed>)   = ?
[pid  5864] +++ exited with 0 +++
[pid  5863] +++ exited with 0 +++
[pid  5862] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5862, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
[  120.005735][ T5863] loop0: detected capacity change from 0 to 64
umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./6/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./6/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./6/file0")                      = 0
umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./6/binderfs")                  = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./6")                            = 0
mkdir("./7", 0777)                      = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5865 attached
, child_tidptr=0x555594deb690) = 5865
[pid  5865] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5865] chdir("./7")                = 0
[pid  5865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5865] setpgid(0, 0)               = 0
[pid  5865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5865] write(3, "1000", 4)         = 4
[pid  5865] close(3)                    = 0
[pid  5865] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5865] write(1, "executing program\n", 18) = 18
[pid  5865] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5865] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5865] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5865] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5865] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5865] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5865] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5866 attached
 <unfinished ...>
[pid  5866] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5866] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5865] <... clone3 resumed> => {parent_tid=[5866]}, 88) = 5866
[pid  5866] <... set_robust_list resumed>) = 0
[pid  5865] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5866] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5865] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5866] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5865] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5865] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5865] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875af000
[pid  5866] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5865] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5866] <... memfd_create resumed>) = 3
[pid  5866] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5865] <... mprotect resumed>)     = 0
[pid  5865] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5866] <... mmap resumed>)         = 0x7f627f000000
[pid  5865] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5865] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0} <unfinished ...>
[pid  5866] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768./strace-static-x86_64: Process 5867 attached
) = 32768
[pid  5867] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5865] <... clone3 resumed> => {parent_tid=[5867]}, 88) = 5867
[pid  5867] <... rseq resumed>)         = 0
[pid  5866] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5867] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5866] <... munmap resumed>)       = 0
[pid  5865] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5867] <... set_robust_list resumed>) = 0
[pid  5867] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5867] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5865] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5866] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5865] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5867] <... futex resumed>)        = 0
[pid  5866] <... openat resumed>)       = 4
[pid  5865] <... futex resumed>)        = 1
[pid  5867] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory)
[pid  5865] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5866] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5867] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5867] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5865] <... futex resumed>)        = 0
[pid  5866] <... ioctl resumed>)        = 0
[pid  5866] close(3)                    = 0
[pid  5866] close(4)                    = 0
[pid  5866] mkdir("./file0", 0777)      = 0
[pid  5866] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[  120.554613][ T5866] loop0: detected capacity change from 0 to 64
[pid  5866] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5866] chdir("./file0")            = 0
[pid  5866] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5866] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5865] exit_group(0 <unfinished ...>
[pid  5866] <... futex resumed>)        = 0
[pid  5867] <... futex resumed>)        = ?
[pid  5865] <... exit_group resumed>)   = ?
[pid  5867] +++ exited with 0 +++
[pid  5866] +++ exited with 0 +++
[pid  5865] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5865, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./7/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./7/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./7/file0")                      = 0
umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./7/binderfs")                  = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./7")                            = 0
mkdir("./8", 0777)                      = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5868 attached
 <unfinished ...>
[pid  5868] set_robust_list(0x555594deb6a0, 24 <unfinished ...>
[pid  5842] <... clone resumed>, child_tidptr=0x555594deb690) = 5868
[pid  5868] <... set_robust_list resumed>) = 0
[pid  5868] chdir("./8")                = 0
[pid  5868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5868] setpgid(0, 0)               = 0
[pid  5868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5868] write(3, "1000", 4)         = 4
[pid  5868] close(3)                    = 0
[pid  5868] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5868] write(1, "executing program\n", 18executing program
) = 18
[pid  5868] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5868] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5868] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5868] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5868] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5868] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5869 attached
 <unfinished ...>
[pid  5869] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5869] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5868] <... clone3 resumed> => {parent_tid=[5869]}, 88) = 5869
[pid  5869] <... set_robust_list resumed>) = 0
[pid  5868] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5869] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5868] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5869] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5868] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5869] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5868] <... futex resumed>)        = 0
[pid  5869] <... memfd_create resumed>) = 3
[pid  5868] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5869] <... mmap resumed>)         = 0x7f627f000000
[pid  5868] <... mmap resumed>)         = 0x7f62875af000
[pid  5868] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5869] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5868] <... mprotect resumed>)     = 0
[pid  5868] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5869] <... write resumed>)        = 32768
[pid  5868] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5870 attached
 <unfinished ...>
[pid  5870] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053) = 0
[pid  5869] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5870] set_robust_list(0x7f62875cf9a0, 24) = 0
[pid  5868] <... clone3 resumed> => {parent_tid=[5870]}, 88) = 5870
[pid  5870] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5869] <... munmap resumed>)       = 0
[pid  5868] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5869] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5870] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5868] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5870] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5868] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5870] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5868] <... futex resumed>)        = 0
[pid  5870] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5869] <... openat resumed>)       = 4
[pid  5868] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5870] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5870] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5869] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5870] <... futex resumed>)        = 1
[pid  5868] <... futex resumed>)        = 0
[pid  5870] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5869] <... ioctl resumed>)        = 0
[pid  5869] close(3)                    = 0
[pid  5869] close(4)                    = 0
[pid  5869] mkdir("./file0", 0777)      = 0
[pid  5869] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5869] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5869] chdir("./file0")            = 0
[pid  5869] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5869] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5868] exit_group(0 <unfinished ...>
[pid  5869] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5870] <... futex resumed>)        = ?
[pid  5870] +++ exited with 0 +++
[pid  5869] <... futex resumed>)        = ?
[pid  5868] <... exit_group resumed>)   = ?
[  121.012725][ T5869] loop0: detected capacity change from 0 to 64
[pid  5869] +++ exited with 0 +++
[pid  5868] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5868, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./8/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./8/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./8/file0")                      = 0
umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./8/binderfs")                  = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./8")                            = 0
mkdir("./9", 0777)                      = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5871 attached
, child_tidptr=0x555594deb690) = 5871
[pid  5871] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5871] chdir("./9")                = 0
[pid  5871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5871] setpgid(0, 0)               = 0
[pid  5871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5871] write(3, "1000", 4)         = 4
[pid  5871] close(3)                    = 0
[pid  5871] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5871] write(1, "executing program\n", 18executing program
) = 18
[pid  5871] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5871] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5871] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5871] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5871] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5872 attached
 <unfinished ...>
[pid  5872] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5872] set_robust_list(0x7f62875f09a0, 24) = 0
[pid  5872] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5872] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5871] <... clone3 resumed> => {parent_tid=[5872]}, 88) = 5872
[pid  5871] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5871] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5872] <... futex resumed>)        = 0
[pid  5871] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5872] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5871] <... futex resumed>)        = 0
[pid  5871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5872] <... memfd_create resumed>) = 3
[pid  5871] <... mmap resumed>)         = 0x7f62875af000
[pid  5872] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5871] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5872] <... mmap resumed>)         = 0x7f627f000000
[pid  5871] <... mprotect resumed>)     = 0
[pid  5871] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5872] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5871] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5873 attached
 <unfinished ...>
[pid  5872] <... write resumed>)        = 32768
[pid  5872] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5873] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5872] <... munmap resumed>)       = 0
[pid  5871] <... clone3 resumed> => {parent_tid=[5873]}, 88) = 5873
[pid  5872] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5873] <... rseq resumed>)         = 0
[pid  5871] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5873] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5872] <... openat resumed>)       = 4
[pid  5871] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5873] <... set_robust_list resumed>) = 0
[pid  5873] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5872] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5871] <... futex resumed>)        = 0
[pid  5873] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5871] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5873] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5872] <... ioctl resumed>)        = 0
[pid  5873] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5873] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5872] close(3 <unfinished ...>
[pid  5873] <... futex resumed>)        = 1
[pid  5871] <... futex resumed>)        = 0
[pid  5873] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5872] <... close resumed>)        = 0
[pid  5872] close(4)                    = 0
[pid  5872] mkdir("./file0", 0777)      = 0
[pid  5872] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[  121.473109][ T5872] loop0: detected capacity change from 0 to 64
[pid  5872] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5872] chdir("./file0")            = 0
[pid  5872] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5872] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5871] exit_group(0 <unfinished ...>
[pid  5872] <... futex resumed>)        = 0
[pid  5871] <... exit_group resumed>)   = ?
[pid  5873] <... futex resumed>)        = ?
[pid  5873] +++ exited with 0 +++
[pid  5872] +++ exited with 0 +++
[pid  5871] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5871, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./9/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./9/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./9/file0")                      = 0
umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./9/binderfs")                  = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./9")                            = 0
mkdir("./10", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5874 attached
, child_tidptr=0x555594deb690) = 5874
[pid  5874] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5874] chdir("./10")               = 0
[pid  5874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5874] setpgid(0, 0)               = 0
[pid  5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5874] write(3, "1000", 4)         = 4
[pid  5874] close(3)                    = 0
[pid  5874] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5874] write(1, "executing program\n", 18) = 18
[pid  5874] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5874] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5874] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5874] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5874] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5874] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5875 attached
 => {parent_tid=[5875]}, 88) = 5875
[pid  5874] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5875] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5874] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5875] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5874] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5875] <... set_robust_list resumed>) = 0
[pid  5874] <... futex resumed>)        = 0
[pid  5875] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5874] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5875] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5874] <... futex resumed>)        = 0
[pid  5875] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5875] <... memfd_create resumed>) = 3
[pid  5875] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f627f000000
[pid  5874] <... mmap resumed>)         = 0x7f62875af000
[pid  5874] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5875] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5874] <... mprotect resumed>)     = 0
[pid  5875] <... write resumed>)        = 32768
[pid  5874] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5875] munmap(0x7f627f000000, 138412032) = 0
[pid  5874] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5874] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5876 attached
 <unfinished ...>
[pid  5875] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5876] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053) = 0
[pid  5875] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5874] <... clone3 resumed> => {parent_tid=[5876]}, 88) = 5876
[pid  5876] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5874] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5874] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5874] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5876] <... set_robust_list resumed>) = 0
[pid  5876] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5876] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory)
[pid  5876] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5875] <... ioctl resumed>)        = 0
[pid  5876] <... futex resumed>)        = 1
[pid  5875] close(3 <unfinished ...>
[pid  5874] <... futex resumed>)        = 0
[pid  5875] <... close resumed>)        = 0
[pid  5876] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5875] close(4)                    = 0
[pid  5875] mkdir("./file0", 0777)      = 0
[pid  5875] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5875] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5875] chdir("./file0")            = 0
[  121.973530][ T5875] loop0: detected capacity change from 0 to 64
[pid  5875] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5875] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5875] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5874] exit_group(0 <unfinished ...>
[pid  5876] <... futex resumed>)        = ?
[pid  5875] <... futex resumed>)        = ?
[pid  5874] <... exit_group resumed>)   = ?
[pid  5876] +++ exited with 0 +++
[pid  5875] +++ exited with 0 +++
[pid  5874] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5874, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./10/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./10/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./10/file0")                     = 0
umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./10/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./10")                           = 0
mkdir("./11", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5877 attached
, child_tidptr=0x555594deb690) = 5877
[pid  5877] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5877] chdir("./11")               = 0
[pid  5877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5877] setpgid(0, 0)               = 0
[pid  5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5877] write(3, "1000", 4)         = 4
[pid  5877] close(3)                    = 0
[pid  5877] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5877] write(1, "executing program\n", 18executing program
) = 18
[pid  5877] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5877] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5877] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5877] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5877] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5877] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5878 attached
 <unfinished ...>
[pid  5878] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5877] <... clone3 resumed> => {parent_tid=[5878]}, 88) = 5878
[pid  5878] <... rseq resumed>)         = 0
[pid  5878] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5877] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5878] <... set_robust_list resumed>) = 0
[pid  5877] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5878] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5877] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5878] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5878] memfd_create("syzkaller", 0) = 3
[pid  5877] <... futex resumed>)        = 0
[pid  5877] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5878] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5877] <... futex resumed>)        = 0
[pid  5877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5878] <... mmap resumed>)         = 0x7f627f000000
[pid  5877] <... mmap resumed>)         = 0x7f62875af000
[pid  5877] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5878] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5877] <... mprotect resumed>)     = 0
[pid  5878] <... write resumed>)        = 32768
[pid  5878] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5877] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5878] <... munmap resumed>)       = 0
[pid  5878] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5877] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5878] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5877] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5879 attached
 <unfinished ...>
[pid  5879] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5877] <... clone3 resumed> => {parent_tid=[5879]}, 88) = 5879
[pid  5879] <... rseq resumed>)         = 0
[pid  5877] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5879] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5877] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5879] <... set_robust_list resumed>) = 0
[pid  5879] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5877] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5879] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5879] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5877] <... futex resumed>)        = 0
[pid  5879] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5877] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5879] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5877] <... futex resumed>)        = 0
[pid  5879] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5878] <... ioctl resumed>)        = 0
[pid  5878] close(3)                    = 0
[pid  5878] close(4)                    = 0
[pid  5878] mkdir("./file0", 0777)      = 0
[pid  5878] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5878] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5878] chdir("./file0")            = 0
[pid  5878] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5878] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[  122.515898][ T5878] loop0: detected capacity change from 0 to 64
[pid  5878] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5877] exit_group(0 <unfinished ...>
[pid  5879] <... futex resumed>)        = ?
[pid  5878] <... futex resumed>)        = ?
[pid  5877] <... exit_group resumed>)   = ?
[pid  5879] +++ exited with 0 +++
[pid  5878] +++ exited with 0 +++
[pid  5877] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5877, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./11/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./11/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./11/file0")                     = 0
umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./11/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./11")                           = 0
mkdir("./12", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5880 attached
, child_tidptr=0x555594deb690) = 5880
[pid  5880] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5880] chdir("./12")               = 0
[pid  5880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5880] setpgid(0, 0)               = 0
[pid  5880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5880] write(3, "1000", 4)         = 4
[pid  5880] close(3)                    = 0
[pid  5880] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5880] write(1, "executing program\n", 18executing program
) = 18
[pid  5880] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5880] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5880] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5880] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5880] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5880] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5880] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5881 attached
 <unfinished ...>
[pid  5881] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5880] <... clone3 resumed> => {parent_tid=[5881]}, 88) = 5881
[pid  5880] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5881] <... rseq resumed>)         = 0
[pid  5880] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5881] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5880] <... futex resumed>)        = 0
[pid  5881] <... set_robust_list resumed>) = 0
[pid  5880] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5881] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5880] <... futex resumed>)        = 0
[pid  5881] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5880] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5881] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5880] <... mmap resumed>)         = 0x7f62875af000
[pid  5880] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5881] <... memfd_create resumed>) = 3
[pid  5880] <... mprotect resumed>)     = 0
[pid  5881] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f627f000000
[pid  5880] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5881] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5880] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5881] <... write resumed>)        = 32768
[pid  5880] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5882 attached
 => {parent_tid=[5882]}, 88) = 5882
[pid  5882] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5880] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5882] <... rseq resumed>)         = 0
[pid  5881] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5880] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5882] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5881] <... munmap resumed>)       = 0
[pid  5880] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5882] <... set_robust_list resumed>) = 0
[pid  5882] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5880] <... futex resumed>)        = 0
[pid  5882] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5880] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5882] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5881] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5882] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5881] <... openat resumed>)       = 4
[pid  5882] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5881] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5880] <... futex resumed>)        = 0
[pid  5882] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5881] <... ioctl resumed>)        = 0
[pid  5881] close(3)                    = 0
[pid  5881] close(4)                    = 0
[pid  5881] mkdir("./file0", 0777)      = 0
[pid  5881] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5881] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[  123.024993][ T5881] loop0: detected capacity change from 0 to 64
[pid  5881] chdir("./file0")            = 0
[pid  5881] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5881] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5881] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5880] exit_group(0 <unfinished ...>
[pid  5882] <... futex resumed>)        = ?
[pid  5881] <... futex resumed>)        = ?
[pid  5880] <... exit_group resumed>)   = ?
[pid  5882] +++ exited with 0 +++
[pid  5881] +++ exited with 0 +++
[pid  5880] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5880, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./12/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./12/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./12/file0")                     = 0
umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./12/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./12")                           = 0
mkdir("./13", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5883 attached
 <unfinished ...>
[pid  5883] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5883] chdir("./13" <unfinished ...>
[pid  5842] <... clone resumed>, child_tidptr=0x555594deb690) = 5883
[pid  5883] <... chdir resumed>)        = 0
[pid  5883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5883] setpgid(0, 0)               = 0
[pid  5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5883] write(3, "1000", 4)         = 4
[pid  5883] close(3)                    = 0
[pid  5883] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5883] write(1, "executing program\n", 18) = 18
executing program
[pid  5883] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5883] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5883] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5883] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5883] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5883] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5884 attached
 <unfinished ...>
[pid  5884] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5884] set_robust_list(0x7f62875f09a0, 24) = 0
[pid  5883] <... clone3 resumed> => {parent_tid=[5884]}, 88) = 5884
[pid  5884] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5883] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5884] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5883] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5884] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5883] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5884] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5883] <... futex resumed>)        = 0
[pid  5884] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5883] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5884] <... memfd_create resumed>) = 3
[pid  5883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5884] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5883] <... mmap resumed>)         = 0x7f62875af000
[pid  5884] <... mmap resumed>)         = 0x7f627f000000
[pid  5883] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5883] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5884] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5883] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5883] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5885 attached
 <unfinished ...>
[pid  5885] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053) = 0
[pid  5883] <... clone3 resumed> => {parent_tid=[5885]}, 88) = 5885
[pid  5885] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5883] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5885] <... set_robust_list resumed>) = 0
[pid  5883] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5885] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5883] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5885] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5883] <... futex resumed>)        = 0
[pid  5885] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory)
[pid  5883] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5885] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5884] <... write resumed>)        = 32768
[pid  5885] <... futex resumed>)        = 1
[pid  5884] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5883] <... futex resumed>)        = 0
[pid  5885] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5884] <... munmap resumed>)       = 0
[pid  5884] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5884] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5884] close(3)                    = 0
[pid  5884] close(4)                    = 0
[pid  5884] mkdir("./file0", 0777)      = 0
[pid  5884] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5884] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[  123.491182][ T5884] loop0: detected capacity change from 0 to 64
[pid  5884] chdir("./file0")            = 0
[pid  5884] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5884] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5883] exit_group(0 <unfinished ...>
[pid  5884] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid  5883] <... exit_group resumed>)   = ?
[pid  5884] +++ exited with 0 +++
[pid  5885] <... futex resumed>)        = ?
[pid  5885] +++ exited with 0 +++
[pid  5883] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5883, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./13/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./13/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./13/file0")                     = 0
umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./13/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./13")                           = 0
mkdir("./14", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5886 attached
 <unfinished ...>
[pid  5886] set_robust_list(0x555594deb6a0, 24 <unfinished ...>
[pid  5842] <... clone resumed>, child_tidptr=0x555594deb690) = 5886
[pid  5886] <... set_robust_list resumed>) = 0
[pid  5886] chdir("./14")               = 0
[pid  5886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5886] setpgid(0, 0)               = 0
[pid  5886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5886] write(3, "1000", 4)         = 4
[pid  5886] close(3)                    = 0
[pid  5886] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5886] write(1, "executing program\n", 18) = 18
[pid  5886] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5886] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5886] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5886] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5886] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5886] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5886] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5887 attached
 <unfinished ...>
[pid  5887] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5886] <... clone3 resumed> => {parent_tid=[5887]}, 88) = 5887
[pid  5887] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5886] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5887] <... set_robust_list resumed>) = 0
[pid  5886] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5887] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5886] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5887] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5886] <... futex resumed>)        = 0
[pid  5887] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5886] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5887] <... memfd_create resumed>) = 3
[pid  5886] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5887] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5886] <... mmap resumed>)         = 0x7f62875af000
[pid  5887] <... mmap resumed>)         = 0x7f627f000000
[pid  5887] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5886] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5887] <... write resumed>)        = 32768
[pid  5887] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5886] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5887] <... munmap resumed>)       = 0
[pid  5886] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0} <unfinished ...>
[pid  5887] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5887] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5888 attached
 <unfinished ...>
[pid  5888] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5886] <... clone3 resumed> => {parent_tid=[5888]}, 88) = 5888
[pid  5888] <... rseq resumed>)         = 0
[pid  5888] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5886] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5888] <... set_robust_list resumed>) = 0
[pid  5886] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5888] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5886] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5888] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5886] <... futex resumed>)        = 0
[pid  5888] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5886] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5888] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5888] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5887] <... ioctl resumed>)        = 0
[pid  5888] <... futex resumed>)        = 1
[pid  5887] close(3 <unfinished ...>
[pid  5888] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5886] <... futex resumed>)        = 0
[pid  5887] <... close resumed>)        = 0
[pid  5887] close(4)                    = 0
[pid  5887] mkdir("./file0", 0777)      = 0
[pid  5887] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5887] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[  124.007943][ T5887] loop0: detected capacity change from 0 to 64
[pid  5887] chdir("./file0")            = 0
[pid  5887] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5887] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5886] exit_group(0 <unfinished ...>
[pid  5887] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5888] <... futex resumed>)        = ?
[pid  5886] <... exit_group resumed>)   = ?
[pid  5887] <... futex resumed>)        = ?
[pid  5888] +++ exited with 0 +++
[pid  5887] +++ exited with 0 +++
[pid  5886] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5886, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./14/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./14/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./14/file0")                     = 0
umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./14/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./14")                           = 0
mkdir("./15", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5889 attached
 <unfinished ...>
[pid  5889] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5889] chdir("./15")               = 0
[pid  5889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5889] setpgid(0, 0)               = 0
[pid  5889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5842] <... clone resumed>, child_tidptr=0x555594deb690) = 5889
[pid  5889] write(3, "1000", 4)         = 4
[pid  5889] close(3)                    = 0
[pid  5889] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5889] write(1, "executing program\n", 18) = 18
[pid  5889] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5889] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5889] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5889] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5889] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5889] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5889] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5890 attached
 <unfinished ...>
[pid  5890] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5889] <... clone3 resumed> => {parent_tid=[5890]}, 88) = 5890
[pid  5890] <... rseq resumed>)         = 0
[pid  5890] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5889] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5890] <... set_robust_list resumed>) = 0
[pid  5889] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5890] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5889] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5890] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5889] <... futex resumed>)        = 0
[pid  5889] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5890] <... memfd_create resumed>) = 3
[pid  5889] <... futex resumed>)        = 0
[pid  5890] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5889] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5890] <... mmap resumed>)         = 0x7f627f000000
[pid  5889] <... mmap resumed>)         = 0x7f62875af000
[pid  5890] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5889] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5890] <... write resumed>)        = 32768
[pid  5890] munmap(0x7f627f000000, 138412032) = 0
[pid  5890] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5889] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5890] <... openat resumed>)       = 4
[pid  5890] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5889] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5889] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5891 attached
 <unfinished ...>
[pid  5891] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5889] <... clone3 resumed> => {parent_tid=[5891]}, 88) = 5891
[pid  5889] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5891] <... rseq resumed>)         = 0
[pid  5889] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5891] set_robust_list(0x7f62875cf9a0, 24) = 0
[pid  5889] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5891] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5889] <... futex resumed>)        = 0
[pid  5891] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory)
[pid  5889] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5891] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5889] <... futex resumed>)        = 0
[pid  5891] <... futex resumed>)        = 1
[pid  5891] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5890] <... ioctl resumed>)        = 0
[pid  5890] close(3)                    = 0
[pid  5890] close(4)                    = 0
[pid  5890] mkdir("./file0", 0777)      = 0
[pid  5890] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5890] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5890] chdir("./file0")            = 0
[  124.610765][ T5890] loop0: detected capacity change from 0 to 64
[pid  5890] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5890] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5890] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5889] exit_group(0 <unfinished ...>
[pid  5891] <... futex resumed>)        = ?
[pid  5889] <... exit_group resumed>)   = ?
[pid  5890] <... futex resumed>)        = ?
[pid  5891] +++ exited with 0 +++
[pid  5890] +++ exited with 0 +++
[pid  5889] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5889, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./15/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./15/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./15/file0")                     = 0
umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./15/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./15")                           = 0
mkdir("./16", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5892 attached
 <unfinished ...>
[pid  5892] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5892] chdir("./16" <unfinished ...>
[pid  5842] <... clone resumed>, child_tidptr=0x555594deb690) = 5892
[pid  5892] <... chdir resumed>)        = 0
[pid  5892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5892] setpgid(0, 0)               = 0
[pid  5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5892] write(3, "1000", 4)         = 4
[pid  5892] close(3)                    = 0
[pid  5892] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5892] write(1, "executing program\n", 18executing program
) = 18
[pid  5892] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5892] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5892] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5892] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5892] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5893 attached
 <unfinished ...>
[pid  5893] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5892] <... clone3 resumed> => {parent_tid=[5893]}, 88) = 5893
[pid  5893] set_robust_list(0x7f62875f09a0, 24) = 0
[pid  5893] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5893] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5892] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5892] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5893] <... futex resumed>)        = 0
[pid  5892] <... futex resumed>)        = 1
[pid  5893] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5892] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5893] <... memfd_create resumed>) = 3
[pid  5892] <... futex resumed>)        = 0
[pid  5892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875af000
[pid  5893] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5892] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5893] <... mmap resumed>)         = 0x7f627f000000
[pid  5892] <... mprotect resumed>)     = 0
[pid  5893] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5892] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5893] <... write resumed>)        = 32768
[pid  5892] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5893] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5894 attached
 <unfinished ...>
[pid  5893] <... munmap resumed>)       = 0
[pid  5894] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053) = 0
[pid  5892] <... clone3 resumed> => {parent_tid=[5894]}, 88) = 5894
[pid  5894] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5893] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5892] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5894] <... set_robust_list resumed>) = 0
[pid  5893] <... openat resumed>)       = 4
[pid  5892] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5894] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5893] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5892] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5894] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5892] <... futex resumed>)        = 0
[pid  5894] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5893] <... ioctl resumed>)        = 0
[pid  5892] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5893] close(3 <unfinished ...>
[pid  5894] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5893] <... close resumed>)        = 0
[pid  5894] <... futex resumed>)        = 0
[pid  5893] close(4)                    = 0
[pid  5892] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5893] mkdir("./file0", 0777 <unfinished ...>
[pid  5894] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5893] <... mkdir resumed>)        = 0
[pid  5893] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5893] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5893] chdir("./file0")            = 0
[pid  5893] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[  125.062068][ T5893] loop0: detected capacity change from 0 to 64
[pid  5893] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5892] exit_group(0 <unfinished ...>
[pid  5893] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5894] <... futex resumed>)        = ?
[pid  5893] <... futex resumed>)        = ?
[pid  5892] <... exit_group resumed>)   = ?
[pid  5894] +++ exited with 0 +++
[pid  5893] +++ exited with 0 +++
[pid  5892] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5892, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./16/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./16/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./16/file0")                     = 0
umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./16/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./16")                           = 0
mkdir("./17", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5895 attached
, child_tidptr=0x555594deb690) = 5895
[pid  5895] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5895] chdir("./17")               = 0
[pid  5895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5895] setpgid(0, 0)               = 0
[pid  5895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5895] write(3, "1000", 4)         = 4
[pid  5895] close(3)                    = 0
[pid  5895] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5895] write(1, "executing program\n", 18) = 18
[pid  5895] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5895] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5895] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5895] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5895] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5895] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5896 attached
 => {parent_tid=[5896]}, 88) = 5896
[pid  5896] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5895] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5896] <... rseq resumed>)         = 0
[pid  5895] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5896] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5895] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5896] <... set_robust_list resumed>) = 0
[pid  5895] <... futex resumed>)        = 0
[pid  5896] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5895] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5896] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5895] <... futex resumed>)        = 0
[pid  5895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5896] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5895] <... mmap resumed>)         = 0x7f62875af000
[pid  5896] <... memfd_create resumed>) = 3
[pid  5895] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5896] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5895] <... mprotect resumed>)     = 0
[pid  5896] <... mmap resumed>)         = 0x7f627f000000
[pid  5895] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5896] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5895] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5895] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0} <unfinished ...>
[pid  5896] <... write resumed>)        = 32768
[pid  5896] munmap(0x7f627f000000, 138412032./strace-static-x86_64: Process 5897 attached
) = 0
[pid  5897] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5895] <... clone3 resumed> => {parent_tid=[5897]}, 88) = 5897
[pid  5897] <... rseq resumed>)         = 0
[pid  5896] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5897] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5896] <... openat resumed>)       = 4
[pid  5895] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5897] <... set_robust_list resumed>) = 0
[pid  5895] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5897] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5896] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5895] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5897] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5897] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5895] <... futex resumed>)        = 0
[pid  5895] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5897] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5896] <... ioctl resumed>)        = 0
[pid  5896] close(3 <unfinished ...>
[pid  5897] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5896] <... close resumed>)        = 0
[pid  5897] <... futex resumed>)        = 1
[pid  5895] <... futex resumed>)        = 0
[pid  5896] close(4)                    = 0
[pid  5896] mkdir("./file0", 0777 <unfinished ...>
[pid  5897] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5896] <... mkdir resumed>)        = 0
[pid  5896] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5896] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5896] chdir("./file0")            = 0
[pid  5896] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5896] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5896] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5895] exit_group(0 <unfinished ...>
[pid  5897] <... futex resumed>)        = ?
[pid  5896] <... futex resumed>)        = ?
[pid  5895] <... exit_group resumed>)   = ?
[pid  5897] +++ exited with 0 +++
[pid  5896] +++ exited with 0 +++
[pid  5895] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5895, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[  125.437851][ T5896] loop0: detected capacity change from 0 to 64
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./17/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./17/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./17/file0")                     = 0
umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./17/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./17")                           = 0
mkdir("./18", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5898 attached
, child_tidptr=0x555594deb690) = 5898
[pid  5898] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5898] chdir("./18")               = 0
[pid  5898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5898] setpgid(0, 0)               = 0
[pid  5898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5898] write(3, "1000", 4)         = 4
[pid  5898] close(3)                    = 0
[pid  5898] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5898] write(1, "executing program\n", 18) = 18
[pid  5898] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5898] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5898] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5898] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5898] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5898] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5898] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5899 attached
 <unfinished ...>
[pid  5899] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5899] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5898] <... clone3 resumed> => {parent_tid=[5899]}, 88) = 5899
[pid  5899] <... set_robust_list resumed>) = 0
[pid  5898] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5899] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5898] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5899] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5898] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5899] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5898] <... futex resumed>)        = 0
[pid  5898] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5899] <... memfd_create resumed>) = 3
[pid  5898] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875af000
[pid  5899] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f627f000000
[pid  5898] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5899] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5898] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5899] <... write resumed>)        = 32768
[pid  5898] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5898] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5900 attached
 <unfinished ...>
[pid  5899] munmap(0x7f627f000000, 138412032) = 0
[pid  5900] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5898] <... clone3 resumed> => {parent_tid=[5900]}, 88) = 5900
[pid  5900] <... rseq resumed>)         = 0
[pid  5898] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5900] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5898] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5899] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5900] <... set_robust_list resumed>) = 0
[pid  5899] <... openat resumed>)       = 4
[pid  5898] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5900] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5899] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5898] <... futex resumed>)        = 0
[pid  5900] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5898] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5900] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory)
[pid  5900] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5899] <... ioctl resumed>)        = 0
[pid  5900] <... futex resumed>)        = 1
[pid  5898] <... futex resumed>)        = 0
[pid  5900] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5899] close(3)                    = 0
[pid  5899] close(4)                    = 0
[pid  5899] mkdir("./file0", 0777)      = 0
[pid  5899] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5899] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5899] chdir("./file0")            = 0
[pid  5899] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5899] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5898] exit_group(0 <unfinished ...>
[pid  5900] <... futex resumed>)        = ?
[pid  5899] <... futex resumed>)        = ?
[pid  5898] <... exit_group resumed>)   = ?
[  125.977805][ T5899] loop0: detected capacity change from 0 to 64
[pid  5900] +++ exited with 0 +++
[pid  5899] +++ exited with 0 +++
[pid  5898] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5898, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./18/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./18/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./18/file0")                     = 0
umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./18/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./18")                           = 0
mkdir("./19", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5901 attached
 <unfinished ...>
[pid  5901] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5901] chdir("./19" <unfinished ...>
[pid  5842] <... clone resumed>, child_tidptr=0x555594deb690) = 5901
[pid  5901] <... chdir resumed>)        = 0
[pid  5901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5901] setpgid(0, 0)               = 0
[pid  5901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5901] write(3, "1000", 4)         = 4
[pid  5901] close(3)                    = 0
[pid  5901] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5901] write(1, "executing program\n", 18executing program
) = 18
[pid  5901] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5901] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5901] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5901] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5901] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5901] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5902 attached
 <unfinished ...>
[pid  5902] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5901] <... clone3 resumed> => {parent_tid=[5902]}, 88) = 5902
[pid  5902] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5901] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5902] <... set_robust_list resumed>) = 0
[pid  5902] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5901] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5902] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5901] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5902] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5901] <... futex resumed>)        = 0
[pid  5902] <... memfd_create resumed>) = 3
[pid  5902] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5901] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5902] <... mmap resumed>)         = 0x7f627f000000
[pid  5901] <... futex resumed>)        = 0
[pid  5901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875af000
[pid  5902] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5901] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5902] <... write resumed>)        = 32768
[pid  5901] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5902] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5901] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5901] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5903 attached
 <unfinished ...>
[pid  5902] <... munmap resumed>)       = 0
[pid  5903] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5902] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5901] <... clone3 resumed> => {parent_tid=[5903]}, 88) = 5903
[pid  5903] <... rseq resumed>)         = 0
[pid  5902] <... openat resumed>)       = 4
[pid  5901] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5903] set_robust_list(0x7f62875cf9a0, 24) = 0
[pid  5902] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5901] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5903] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5901] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5903] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5901] <... futex resumed>)        = 0
[pid  5903] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5901] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5903] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5903] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5902] <... ioctl resumed>)        = 0
[pid  5903] <... futex resumed>)        = 1
[pid  5903] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5901] <... futex resumed>)        = 0
[pid  5902] close(3)                    = 0
[pid  5902] close(4)                    = 0
[pid  5902] mkdir("./file0", 0777)      = 0
[pid  5902] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5902] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5902] chdir("./file0")            = 0
[pid  5902] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5902] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5902] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5901] exit_group(0 <unfinished ...>
[pid  5902] <... futex resumed>)        = ?
[pid  5901] <... exit_group resumed>)   = ?
[pid  5903] <... futex resumed>)        = ?
[pid  5903] +++ exited with 0 +++
[pid  5902] +++ exited with 0 +++
[pid  5901] +++ exited with 0 +++
[  126.502830][ T5902] loop0: detected capacity change from 0 to 64
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5901, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./19/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./19/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./19/file0")                     = 0
umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./19/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./19")                           = 0
mkdir("./20", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5904 attached
, child_tidptr=0x555594deb690) = 5904
[pid  5904] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5904] chdir("./20")               = 0
[pid  5904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5904] setpgid(0, 0)               = 0
[pid  5904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5904] write(3, "1000", 4)         = 4
[pid  5904] close(3)                    = 0
[pid  5904] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5904] write(1, "executing program\n", 18) = 18
[pid  5904] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5904] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5904] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5904] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5904] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5904] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5905 attached
 <unfinished ...>
[pid  5905] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5904] <... clone3 resumed> => {parent_tid=[5905]}, 88) = 5905
[pid  5905] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5904] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5905] <... set_robust_list resumed>) = 0
[pid  5904] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5905] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5904] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5905] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5904] <... futex resumed>)        = 0
[pid  5905] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5904] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5905] <... memfd_create resumed>) = 3
[pid  5904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5905] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5904] <... mmap resumed>)         = 0x7f62875af000
[pid  5905] <... mmap resumed>)         = 0x7f627f000000
[pid  5904] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5905] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5904] <... mprotect resumed>)     = 0
[pid  5904] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5905] <... write resumed>)        = 32768
[pid  5904] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5904] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5906 attached
 <unfinished ...>
[pid  5906] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5905] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5906] <... rseq resumed>)         = 0
[pid  5905] <... munmap resumed>)       = 0
[pid  5904] <... clone3 resumed> => {parent_tid=[5906]}, 88) = 5906
[pid  5906] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5904] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5906] <... set_robust_list resumed>) = 0
[pid  5904] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5906] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5905] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5904] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5906] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5905] <... openat resumed>)       = 4
[pid  5904] <... futex resumed>)        = 0
[pid  5906] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5904] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5906] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5905] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5906] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5906] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5905] <... ioctl resumed>)        = 0
[pid  5904] <... futex resumed>)        = 0
[pid  5905] close(3)                    = 0
[pid  5905] close(4)                    = 0
[pid  5905] mkdir("./file0", 0777)      = 0
[pid  5905] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5905] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5905] chdir("./file0")            = 0
[  127.017652][ T5905] loop0: detected capacity change from 0 to 64
[pid  5905] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5905] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5905] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5904] exit_group(0 <unfinished ...>
[pid  5906] <... futex resumed>)        = ?
[pid  5905] <... futex resumed>)        = ?
[pid  5904] <... exit_group resumed>)   = ?
[pid  5905] +++ exited with 0 +++
[pid  5906] +++ exited with 0 +++
[pid  5904] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5904, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./20/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./20/file0")                     = 0
umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./20")                           = 0
mkdir("./21", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5907 attached
, child_tidptr=0x555594deb690) = 5907
[pid  5907] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5907] chdir("./21")               = 0
[pid  5907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5907] setpgid(0, 0)               = 0
[pid  5907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5907] write(3, "1000", 4)         = 4
[pid  5907] close(3)                    = 0
[pid  5907] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5907] write(1, "executing program\n", 18) = 18
executing program
[pid  5907] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5907] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5907] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5907] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5907] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5907] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5908 attached
 <unfinished ...>
[pid  5908] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5907] <... clone3 resumed> => {parent_tid=[5908]}, 88) = 5908
[pid  5908] <... rseq resumed>)         = 0
[pid  5907] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5907] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5908] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5907] <... futex resumed>)        = 0
[pid  5908] <... set_robust_list resumed>) = 0
[pid  5907] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5908] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5907] <... futex resumed>)        = 0
[pid  5908] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875af000
[pid  5907] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5908] <... memfd_create resumed>) = 3
[pid  5907] <... mprotect resumed>)     = 0
[pid  5908] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f627f000000
[pid  5907] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5908] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5907] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5909 attached
 <unfinished ...>
[pid  5908] <... write resumed>)        = 32768
[pid  5907] <... clone3 resumed> => {parent_tid=[5909]}, 88) = 5909
[pid  5909] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5907] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5909] <... rseq resumed>)         = 0
[pid  5907] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5909] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5907] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5909] <... set_robust_list resumed>) = 0
[pid  5908] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5907] <... futex resumed>)        = 0
[pid  5909] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5908] <... munmap resumed>)       = 0
[pid  5907] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5909] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5908] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5909] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory)
[pid  5908] <... openat resumed>)       = 4
[pid  5909] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5908] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5909] <... futex resumed>)        = 1
[pid  5907] <... futex resumed>)        = 0
[pid  5909] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5908] <... ioctl resumed>)        = 0
[pid  5908] close(3)                    = 0
[pid  5908] close(4)                    = 0
[pid  5908] mkdir("./file0", 0777)      = 0
[pid  5908] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5908] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5908] chdir("./file0")            = 0
[  127.603036][ T5908] loop0: detected capacity change from 0 to 64
[pid  5908] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5908] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5907] exit_group(0 <unfinished ...>
[pid  5908] <... futex resumed>)        = 0
[pid  5909] <... futex resumed>)        = ?
[pid  5907] <... exit_group resumed>)   = ?
[pid  5908] +++ exited with 0 +++
[pid  5909] +++ exited with 0 +++
[pid  5907] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5907, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./21/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./21/file0")                     = 0
umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./21")                           = 0
mkdir("./22", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555594deb690) = 5910
./strace-static-x86_64: Process 5910 attached
[pid  5910] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5910] chdir("./22")               = 0
[pid  5910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5910] setpgid(0, 0)               = 0
[pid  5910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5910] write(3, "1000", 4)         = 4
[pid  5910] close(3)                    = 0
[pid  5910] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5910] write(1, "executing program\n", 18) = 18
[pid  5910] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5910] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5910] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5910] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5910] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5910] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5910] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5911 attached
 <unfinished ...>
[pid  5911] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5911] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5910] <... clone3 resumed> => {parent_tid=[5911]}, 88) = 5911
[pid  5911] <... set_robust_list resumed>) = 0
[pid  5910] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5911] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5910] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5911] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5910] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5911] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5910] <... futex resumed>)        = 0
[pid  5910] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5911] <... memfd_create resumed>) = 3
[pid  5910] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875af000
[pid  5911] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5910] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5911] <... mmap resumed>)         = 0x7f627f000000
[pid  5910] <... mprotect resumed>)     = 0
[pid  5910] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5911] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768) = 32768
[pid  5910] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5911] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5910] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0} <unfinished ...>
[pid  5911] <... munmap resumed>)       = 0
./strace-static-x86_64: Process 5912 attached
[pid  5911] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5912] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5911] <... openat resumed>)       = 4
[pid  5910] <... clone3 resumed> => {parent_tid=[5912]}, 88) = 5912
[pid  5912] <... rseq resumed>)         = 0
[pid  5910] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5912] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5911] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5912] <... set_robust_list resumed>) = 0
[pid  5910] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5912] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5910] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5912] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5910] <... futex resumed>)        = 0
[pid  5912] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5910] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5912] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5912] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5910] <... futex resumed>)        = 0
[pid  5912] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5911] <... ioctl resumed>)        = 0
[pid  5911] close(3)                    = 0
[pid  5911] close(4)                    = 0
[pid  5911] mkdir("./file0", 0777)      = 0
[pid  5911] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[  128.097402][ T5911] loop0: detected capacity change from 0 to 64
[pid  5911] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5911] chdir("./file0")            = 0
[pid  5911] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5911] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5910] exit_group(0 <unfinished ...>
[pid  5912] <... futex resumed>)        = ?
[pid  5911] <... futex resumed>)        = ?
[pid  5912] +++ exited with 0 +++
[pid  5911] +++ exited with 0 +++
[pid  5910] <... exit_group resumed>)   = ?
[pid  5910] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5910, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./22/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./22/file0")                     = 0
umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./22")                           = 0
mkdir("./23", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5913 attached
 <unfinished ...>
[pid  5913] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5913] chdir("./23")               = 0
[pid  5842] <... clone resumed>, child_tidptr=0x555594deb690) = 5913
[pid  5913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5913] setpgid(0, 0)               = 0
[pid  5913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5913] write(3, "1000", 4)         = 4
[pid  5913] close(3)                    = 0
[pid  5913] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5913] write(1, "executing program\n", 18) = 18
[pid  5913] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5913] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5913] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5913] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5913] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5913] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5913] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5914 attached
 => {parent_tid=[5914]}, 88) = 5914
[pid  5914] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5913] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5914] <... rseq resumed>)         = 0
[pid  5913] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5914] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5913] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5914] <... set_robust_list resumed>) = 0
[pid  5914] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5913] <... futex resumed>)        = 0
[pid  5914] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5913] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5913] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5914] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5913] <... mmap resumed>)         = 0x7f62875af000
[pid  5914] <... memfd_create resumed>) = 3
[pid  5913] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5914] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f627f000000
[pid  5913] <... mprotect resumed>)     = 0
[pid  5914] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5913] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5914] <... write resumed>)        = 32768
[pid  5913] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5914] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5913] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5915 attached
 <unfinished ...>
[pid  5915] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053) = 0
[pid  5915] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5913] <... clone3 resumed> => {parent_tid=[5915]}, 88) = 5915
[pid  5915] <... set_robust_list resumed>) = 0
[pid  5913] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5915] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5914] <... munmap resumed>)       = 0
[pid  5913] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5915] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5914] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5913] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5915] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory)
[pid  5913] <... futex resumed>)        = 0
[pid  5913] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5915] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5914] <... openat resumed>)       = 4
[pid  5913] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5915] <... futex resumed>)        = 0
[pid  5914] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5915] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5914] <... ioctl resumed>)        = 0
[pid  5914] close(3)                    = 0
[pid  5914] close(4)                    = 0
[pid  5914] mkdir("./file0", 0777)      = 0
[pid  5914] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[  128.581701][ T5914] loop0: detected capacity change from 0 to 64
[pid  5914] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5914] chdir("./file0")            = 0
[pid  5914] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5914] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5914] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5913] exit_group(0 <unfinished ...>
[pid  5915] <... futex resumed>)        = ?
[pid  5914] <... futex resumed>)        = ?
[pid  5913] <... exit_group resumed>)   = ?
[pid  5915] +++ exited with 0 +++
[pid  5914] +++ exited with 0 +++
[pid  5913] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5913, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./23/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./23/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./23/file0")                     = 0
umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./23/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./23")                           = 0
mkdir("./24", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5916 attached
, child_tidptr=0x555594deb690) = 5916
[pid  5916] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5916] chdir("./24")               = 0
[pid  5916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5916] setpgid(0, 0)               = 0
[pid  5916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5916] write(3, "1000", 4)         = 4
[pid  5916] close(3)                    = 0
[pid  5916] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5916] write(1, "executing program\n", 18) = 18
[pid  5916] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5916] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5916] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5916] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5916] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5916] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5917 attached
 => {parent_tid=[5917]}, 88) = 5917
[pid  5917] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5916] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5917] <... rseq resumed>)         = 0
[pid  5916] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5917] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5916] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5917] <... set_robust_list resumed>) = 0
[pid  5917] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5916] <... futex resumed>)        = 0
[pid  5917] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5916] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5917] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5916] <... futex resumed>)        = 0
[pid  5916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875af000
[pid  5916] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5917] <... memfd_create resumed>) = 3
[pid  5916] <... mprotect resumed>)     = 0
[pid  5917] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f627f000000
[pid  5916] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5916] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0} <unfinished ...>
[pid  5917] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768./strace-static-x86_64: Process 5918 attached
 <unfinished ...>
[pid  5918] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5916] <... clone3 resumed> => {parent_tid=[5918]}, 88) = 5918
[pid  5918] <... rseq resumed>)         = 0
[pid  5916] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5917] <... write resumed>)        = 32768
[pid  5918] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5916] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5918] <... set_robust_list resumed>) = 0
[pid  5916] <... futex resumed>)        = 0
[pid  5918] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5917] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5918] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5916] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5918] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5917] <... munmap resumed>)       = 0
[pid  5918] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5916] <... futex resumed>)        = 0
[pid  5918] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5917] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5917] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5917] close(3)                    = 0
[pid  5917] close(4)                    = 0
[pid  5917] mkdir("./file0", 0777)      = 0
[pid  5917] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5917] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5917] chdir("./file0")            = 0
[pid  5917] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5917] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5916] exit_group(0 <unfinished ...>
[pid  5917] <... futex resumed>)        = 0
[pid  5916] <... exit_group resumed>)   = ?
[pid  5918] <... futex resumed>)        = ?
[pid  5918] +++ exited with 0 +++
[pid  5917] +++ exited with 0 +++
[pid  5916] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5916, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
[  129.171315][ T5917] loop0: detected capacity change from 0 to 64
umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./24/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./24/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./24/file0")                     = 0
umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./24/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./24")                           = 0
mkdir("./25", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555594deb690) = 5919
./strace-static-x86_64: Process 5919 attached
[pid  5919] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5919] chdir("./25")               = 0
[pid  5919] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5919] setpgid(0, 0)               = 0
[pid  5919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5919] write(3, "1000", 4)         = 4
[pid  5919] close(3)                    = 0
[pid  5919] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5919] write(1, "executing program\n", 18executing program
) = 18
[pid  5919] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5919] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5919] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5919] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5919] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5919] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5919] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5920 attached
 <unfinished ...>
[pid  5920] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5920] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5919] <... clone3 resumed> => {parent_tid=[5920]}, 88) = 5920
[pid  5920] <... set_robust_list resumed>) = 0
[pid  5919] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5920] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5919] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5920] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5919] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5920] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5919] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5920] <... memfd_create resumed>) = 3
[pid  5919] <... futex resumed>)        = 0
[pid  5920] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5919] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5920] <... mmap resumed>)         = 0x7f627f000000
[pid  5919] <... mmap resumed>)         = 0x7f62875af000
[pid  5919] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5920] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5919] <... mprotect resumed>)     = 0
[pid  5920] <... write resumed>)        = 32768
[pid  5920] munmap(0x7f627f000000, 138412032) = 0
[pid  5919] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5919] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5921 attached
 <unfinished ...>
[pid  5920] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5921] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5919] <... clone3 resumed> => {parent_tid=[5921]}, 88) = 5921
[pid  5921] <... rseq resumed>)         = 0
[pid  5920] <... openat resumed>)       = 4
[pid  5919] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5921] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5919] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5921] <... set_robust_list resumed>) = 0
[pid  5919] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5921] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5919] <... futex resumed>)        = 0
[pid  5921] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5920] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5919] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5921] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory)
[pid  5921] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5920] <... ioctl resumed>)        = 0
[pid  5921] <... futex resumed>)        = 1
[pid  5920] close(3 <unfinished ...>
[pid  5921] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5919] <... futex resumed>)        = 0
[pid  5920] <... close resumed>)        = 0
[pid  5920] close(4)                    = 0
[pid  5920] mkdir("./file0", 0777)      = 0
[pid  5920] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5920] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5920] chdir("./file0")            = 0
[  129.669245][ T5920] loop0: detected capacity change from 0 to 64
[pid  5920] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5920] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5920] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5919] exit_group(0 <unfinished ...>
[pid  5921] <... futex resumed>)        = ?
[pid  5921] +++ exited with 0 +++
[pid  5920] <... futex resumed>)        = ?
[pid  5919] <... exit_group resumed>)   = ?
[pid  5920] +++ exited with 0 +++
[pid  5919] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5919, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./25/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./25/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./25/file0")                     = 0
umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./25/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./25")                           = 0
mkdir("./26", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5922 attached
 <unfinished ...>
[pid  5922] set_robust_list(0x555594deb6a0, 24 <unfinished ...>
[pid  5842] <... clone resumed>, child_tidptr=0x555594deb690) = 5922
[pid  5922] <... set_robust_list resumed>) = 0
[pid  5922] chdir("./26")               = 0
[pid  5922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5922] setpgid(0, 0)               = 0
[pid  5922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5922] write(3, "1000", 4)         = 4
[pid  5922] close(3)                    = 0
[pid  5922] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5922] write(1, "executing program\n", 18executing program
) = 18
[pid  5922] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5922] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5922] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5922] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5922] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5922] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5923 attached
 <unfinished ...>
[pid  5923] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5922] <... clone3 resumed> => {parent_tid=[5923]}, 88) = 5923
[pid  5923] <... rseq resumed>)         = 0
[pid  5923] set_robust_list(0x7f62875f09a0, 24) = 0
[pid  5923] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5923] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5922] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5922] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5923] <... futex resumed>)        = 0
[pid  5922] <... futex resumed>)        = 1
[pid  5922] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5923] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5922] <... futex resumed>)        = 0
[pid  5922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5923] <... memfd_create resumed>) = 3
[pid  5922] <... mmap resumed>)         = 0x7f62875af000
[pid  5923] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f627f000000
[pid  5922] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5922] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5923] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5922] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5922] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5924 attached
 <unfinished ...>
[pid  5924] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5922] <... clone3 resumed> => {parent_tid=[5924]}, 88) = 5924
[pid  5924] <... rseq resumed>)         = 0
[pid  5923] <... write resumed>)        = 32768
[pid  5924] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5923] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5922] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5924] <... set_robust_list resumed>) = 0
[pid  5923] <... munmap resumed>)       = 0
[pid  5922] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5924] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5922] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5924] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5922] <... futex resumed>)        = 0
[pid  5924] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5923] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5922] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5924] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5923] <... openat resumed>)       = 4
[pid  5924] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5922] <... futex resumed>)        = 0
[pid  5924] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5923] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5923] close(3)                    = 0
[pid  5923] close(4)                    = 0
[pid  5923] mkdir("./file0", 0777)      = 0
[pid  5923] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[  130.199402][ T5923] loop0: detected capacity change from 0 to 64
[pid  5923] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5923] chdir("./file0")            = 0
[pid  5923] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5923] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5922] exit_group(0 <unfinished ...>
[pid  5924] <... futex resumed>)        = ?
[pid  5923] <... futex resumed>)        = ?
[pid  5922] <... exit_group resumed>)   = ?
[pid  5924] +++ exited with 0 +++
[pid  5923] +++ exited with 0 +++
[pid  5922] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5922, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./26/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./26/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./26/file0")                     = 0
umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./26/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./26")                           = 0
mkdir("./27", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5925 attached
 <unfinished ...>
[pid  5925] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5925] chdir("./27" <unfinished ...>
[pid  5842] <... clone resumed>, child_tidptr=0x555594deb690) = 5925
[pid  5925] <... chdir resumed>)        = 0
[pid  5925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5925] setpgid(0, 0)               = 0
[pid  5925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5925] write(3, "1000", 4)         = 4
[pid  5925] close(3)                    = 0
[pid  5925] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5925] write(1, "executing program\n", 18) = 18
[pid  5925] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5925] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5925] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5925] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5925] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5925] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5925] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5926 attached
 => {parent_tid=[5926]}, 88) = 5926
[pid  5926] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5925] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5926] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5925] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5926] <... set_robust_list resumed>) = 0
[pid  5925] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5926] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5925] <... futex resumed>)        = 0
[pid  5925] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5926] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5925] <... futex resumed>)        = 0
[pid  5926] <... memfd_create resumed>) = 3
[pid  5925] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5926] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f627f000000
[pid  5925] <... mmap resumed>)         = 0x7f62875af000
[pid  5925] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5926] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768) = 32768
[pid  5925] <... mprotect resumed>)     = 0
[pid  5926] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5925] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5926] <... munmap resumed>)       = 0
[pid  5925] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5925] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0} <unfinished ...>
[pid  5926] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5927 attached
) = 4
[pid  5927] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5926] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5925] <... clone3 resumed> => {parent_tid=[5927]}, 88) = 5927
[pid  5927] <... rseq resumed>)         = 0
[pid  5925] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5927] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5925] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5927] <... set_robust_list resumed>) = 0
[pid  5927] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5925] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5927] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5925] <... futex resumed>)        = 0
[pid  5927] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5925] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5927] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5926] <... ioctl resumed>)        = 0
[pid  5927] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5926] close(3 <unfinished ...>
[pid  5925] <... futex resumed>)        = 0
[pid  5927] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5926] <... close resumed>)        = 0
[pid  5926] close(4)                    = 0
[pid  5926] mkdir("./file0", 0777)      = 0
[pid  5926] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5926] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5926] chdir("./file0")            = 0
[pid  5926] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5926] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5926] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5925] exit_group(0 <unfinished ...>
[pid  5927] <... futex resumed>)        = ?
[pid  5926] <... futex resumed>)        = ?
[pid  5925] <... exit_group resumed>)   = ?
[pid  5927] +++ exited with 0 +++
[  130.754810][ T5926] loop0: detected capacity change from 0 to 64
[pid  5926] +++ exited with 0 +++
[pid  5925] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5925, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./27/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./27/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./27/file0")                     = 0
umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./27/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./27")                           = 0
mkdir("./28", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5928 attached
, child_tidptr=0x555594deb690) = 5928
[pid  5928] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5928] chdir("./28")               = 0
[pid  5928] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5928] setpgid(0, 0)               = 0
[pid  5928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5928] write(3, "1000", 4)         = 4
[pid  5928] close(3)                    = 0
[pid  5928] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5928] write(1, "executing program\n", 18executing program
) = 18
[pid  5928] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5928] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5928] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5928] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5928] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5928] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5928] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5929 attached
 => {parent_tid=[5929]}, 88) = 5929
[pid  5929] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5929] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5928] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5929] <... set_robust_list resumed>) = 0
[pid  5928] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5929] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5928] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5929] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5928] <... futex resumed>)        = 0
[pid  5929] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5928] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5929] <... memfd_create resumed>) = 3
[pid  5928] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875af000
[pid  5928] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5929] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f627f000000
[pid  5928] <... mprotect resumed>)     = 0
[pid  5928] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5929] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5928] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5930 attached
 <unfinished ...>
[pid  5930] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053) = 0
[pid  5928] <... clone3 resumed> => {parent_tid=[5930]}, 88) = 5930
[pid  5930] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5928] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5930] <... set_robust_list resumed>) = 0
[pid  5928] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5930] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5928] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5930] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5928] <... futex resumed>)        = 0
[pid  5930] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5929] <... write resumed>)        = 32768
[pid  5928] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5930] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5929] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5930] <... futex resumed>)        = 1
[pid  5929] <... munmap resumed>)       = 0
[pid  5928] <... futex resumed>)        = 0
[pid  5930] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5929] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5929] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5929] close(3)                    = 0
[pid  5929] close(4)                    = 0
[pid  5929] mkdir("./file0", 0777)      = 0
[pid  5929] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5929] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5929] chdir("./file0")            = 0
[pid  5929] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[  131.313520][ T5929] loop0: detected capacity change from 0 to 64
[pid  5929] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5928] exit_group(0 <unfinished ...>
[pid  5929] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5930] <... futex resumed>)        = ?
[pid  5930] +++ exited with 0 +++
[pid  5929] <... futex resumed>)        = ?
[pid  5929] +++ exited with 0 +++
[pid  5928] <... exit_group resumed>)   = ?
[pid  5928] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5928, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./28/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./28/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./28/file0")                     = 0
umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./28/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./28")                           = 0
mkdir("./29", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5931 attached
, child_tidptr=0x555594deb690) = 5931
[pid  5931] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5931] chdir("./29")               = 0
[pid  5931] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5931] setpgid(0, 0)               = 0
[pid  5931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5931] write(3, "1000", 4)         = 4
[pid  5931] close(3)                    = 0
[pid  5931] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5931] write(1, "executing program\n", 18executing program
) = 18
[pid  5931] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5931] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5931] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5931] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5931] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5931] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5932 attached
 <unfinished ...>
[pid  5932] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5931] <... clone3 resumed> => {parent_tid=[5932]}, 88) = 5932
[pid  5932] <... rseq resumed>)         = 0
[pid  5932] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5931] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5932] <... set_robust_list resumed>) = 0
[pid  5931] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5932] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5931] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5932] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5931] <... futex resumed>)        = 0
[pid  5932] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5931] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875af000
[pid  5932] <... memfd_create resumed>) = 3
[pid  5931] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5932] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5931] <... mprotect resumed>)     = 0
[pid  5932] <... mmap resumed>)         = 0x7f627f000000
[pid  5931] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5932] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5931] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5931] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5933 attached
 <unfinished ...>
[pid  5932] <... write resumed>)        = 32768
[pid  5933] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5932] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5933] <... rseq resumed>)         = 0
[pid  5931] <... clone3 resumed> => {parent_tid=[5933]}, 88) = 5933
[pid  5932] <... munmap resumed>)       = 0
[pid  5933] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5931] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5933] <... set_robust_list resumed>) = 0
[pid  5931] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5933] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5932] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5933] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5931] <... futex resumed>)        = 0
[pid  5932] <... openat resumed>)       = 4
[pid  5931] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5933] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5932] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5933] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5932] <... ioctl resumed>)        = 0
[pid  5931] <... futex resumed>)        = 0
[pid  5933] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5932] close(3)                    = 0
[pid  5932] close(4)                    = 0
[pid  5932] mkdir("./file0", 0777)      = 0
[pid  5932] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5932] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5932] chdir("./file0")            = 0
[pid  5932] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5932] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5931] exit_group(0)               = ?
[pid  5933] <... futex resumed>)        = ?
[pid  5933] +++ exited with 0 +++
[pid  5932] <... futex resumed>)        = ?
[pid  5932] +++ exited with 0 +++
[pid  5931] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5931, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
[  131.608692][ T5932] loop0: detected capacity change from 0 to 64
umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./29/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./29/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./29/file0")                     = 0
umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./29/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./29")                           = 0
mkdir("./30", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5934 attached
, child_tidptr=0x555594deb690) = 5934
[pid  5934] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5934] chdir("./30")               = 0
[pid  5934] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5934] setpgid(0, 0)               = 0
[pid  5934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5934] write(3, "1000", 4)         = 4
[pid  5934] close(3)                    = 0
[pid  5934] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5934] write(1, "executing program\n", 18) = 18
[pid  5934] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5934] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5934] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5934] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5934] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5934] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5934] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5935 attached
 <unfinished ...>
[pid  5935] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5934] <... clone3 resumed> => {parent_tid=[5935]}, 88) = 5935
[pid  5935] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5934] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5935] <... set_robust_list resumed>) = 0
[pid  5934] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5935] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5934] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5935] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5934] <... futex resumed>)        = 0
[pid  5935] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5934] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5934] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5935] <... memfd_create resumed>) = 3
[pid  5934] <... mmap resumed>)         = 0x7f62875af000
[pid  5934] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5935] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5934] <... mprotect resumed>)     = 0
[pid  5935] <... mmap resumed>)         = 0x7f627f000000
[pid  5934] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5935] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5934] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5935] <... write resumed>)        = 32768
[pid  5934] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5936 attached
 <unfinished ...>
[pid  5935] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5936] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5935] <... munmap resumed>)       = 0
[pid  5936] <... rseq resumed>)         = 0
[pid  5936] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5934] <... clone3 resumed> => {parent_tid=[5936]}, 88) = 5936
[pid  5936] <... set_robust_list resumed>) = 0
[pid  5935] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5934] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5936] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5935] <... openat resumed>)       = 4
[pid  5934] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5936] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5936] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5934] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5936] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5934] <... futex resumed>)        = 0
[pid  5936] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5935] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5934] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5936] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5936] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5935] <... ioctl resumed>)        = 0
[pid  5936] <... futex resumed>)        = 1
[pid  5934] <... futex resumed>)        = 0
[pid  5936] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5935] close(3)                    = 0
[pid  5935] close(4)                    = 0
[pid  5935] mkdir("./file0", 0777)      = 0
[pid  5935] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5935] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5935] chdir("./file0")            = 0
[pid  5935] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5935] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5934] exit_group(0 <unfinished ...>
[pid  5936] <... futex resumed>)        = ?
[pid  5935] <... futex resumed>)        = ?
[pid  5935] +++ exited with 0 +++
[pid  5934] <... exit_group resumed>)   = ?
[pid  5936] +++ exited with 0 +++
[  132.114568][ T5935] loop0: detected capacity change from 0 to 64
[pid  5934] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5934, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./30/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./30/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./30/file0")                     = 0
umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./30/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./30")                           = 0
mkdir("./31", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5937 attached
, child_tidptr=0x555594deb690) = 5937
[pid  5937] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5937] chdir("./31")               = 0
[pid  5937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5937] setpgid(0, 0)               = 0
[pid  5937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5937] write(3, "1000", 4)         = 4
[pid  5937] close(3)                    = 0
[pid  5937] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5937] write(1, "executing program\n", 18executing program
) = 18
[pid  5937] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5937] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5937] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5937] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5937] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5937] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5937] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5938 attached
 <unfinished ...>
[pid  5938] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5937] <... clone3 resumed> => {parent_tid=[5938]}, 88) = 5938
[pid  5938] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5937] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5938] <... set_robust_list resumed>) = 0
[pid  5937] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5938] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5937] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5938] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5937] <... futex resumed>)        = 0
[pid  5938] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5937] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5937] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875af000
[pid  5937] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5938] <... memfd_create resumed>) = 3
[pid  5938] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5937] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5938] <... mmap resumed>)         = 0x7f627f000000
[pid  5937] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5937] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5939 attached
 <unfinished ...>
[pid  5938] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5939] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053) = 0
[pid  5939] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5938] <... write resumed>)        = 32768
[pid  5937] <... clone3 resumed> => {parent_tid=[5939]}, 88) = 5939
[pid  5939] <... set_robust_list resumed>) = 0
[pid  5938] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5937] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5939] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5938] <... munmap resumed>)       = 0
[pid  5937] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5939] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5937] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5939] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5937] <... futex resumed>)        = 0
[pid  5939] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5938] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5937] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5939] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5938] <... openat resumed>)       = 4
[pid  5939] <... futex resumed>)        = 1
[pid  5939] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5937] <... futex resumed>)        = 0
[pid  5938] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5938] close(3)                    = 0
[pid  5938] close(4)                    = 0
[pid  5938] mkdir("./file0", 0777)      = 0
[pid  5938] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5938] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5938] chdir("./file0")            = 0
[pid  5938] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5938] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[  132.494062][ T5938] loop0: detected capacity change from 0 to 64
[pid  5938] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5937] exit_group(0 <unfinished ...>
[pid  5939] <... futex resumed>)        = ?
[pid  5938] <... futex resumed>)        = ?
[pid  5937] <... exit_group resumed>)   = ?
[pid  5938] +++ exited with 0 +++
[pid  5939] +++ exited with 0 +++
[pid  5937] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5937, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./31/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./31/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./31/file0")                     = 0
umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./31/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./31")                           = 0
mkdir("./32", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5940 attached
 <unfinished ...>
[pid  5940] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5842] <... clone resumed>, child_tidptr=0x555594deb690) = 5940
[pid  5940] chdir("./32")               = 0
[pid  5940] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5940] setpgid(0, 0)               = 0
[pid  5940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5940] write(3, "1000", 4)         = 4
[pid  5940] close(3)                    = 0
[pid  5940] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5940] write(1, "executing program\n", 18) = 18
[pid  5940] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5940] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5940] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5940] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5940] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5940] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5941 attached
 <unfinished ...>
[pid  5941] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5940] <... clone3 resumed> => {parent_tid=[5941]}, 88) = 5941
[pid  5941] <... rseq resumed>)         = 0
[pid  5940] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5941] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5940] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5941] <... set_robust_list resumed>) = 0
[pid  5940] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5941] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5940] <... futex resumed>)        = 0
[pid  5941] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5940] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5941] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875af000
[pid  5941] <... memfd_create resumed>) = 3
[pid  5940] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5941] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f627f000000
[pid  5940] <... mprotect resumed>)     = 0
[pid  5940] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5941] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5940] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5942 attached
 <unfinished ...>
[pid  5941] <... write resumed>)        = 32768
[pid  5942] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5940] <... clone3 resumed> => {parent_tid=[5942]}, 88) = 5942
[pid  5942] <... rseq resumed>)         = 0
[pid  5942] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5940] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5941] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5942] <... set_robust_list resumed>) = 0
[pid  5940] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5942] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5940] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5942] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5941] <... munmap resumed>)       = 0
[pid  5940] <... futex resumed>)        = 0
[pid  5942] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5940] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5941] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5942] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5942] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5941] <... openat resumed>)       = 5
[pid  5942] <... futex resumed>)        = 1
[pid  5942] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5941] ioctl(5, LOOP_SET_FD, 3 <unfinished ...>
[pid  5940] <... futex resumed>)        = 0
[pid  5941] <... ioctl resumed>)        = 0
[pid  5941] close(3)                    = 0
[pid  5941] close(5)                    = 0
[pid  5941] mkdir("./file0", 0777)      = 0
[pid  5941] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5941] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[  132.979498][ T5941] loop0: detected capacity change from 0 to 64
[pid  5941] chdir("./file0")            = 0
[pid  5941] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5941] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5940] exit_group(0 <unfinished ...>
[pid  5941] <... futex resumed>)        = 0
[pid  5941] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5942] <... futex resumed>)        = ?
[pid  5940] <... exit_group resumed>)   = ?
[pid  5941] +++ exited with 0 +++
[pid  5942] +++ exited with 0 +++
[pid  5940] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5940, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./32/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./32/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./32/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./32/file0")                     = 0
umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./32/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./32")                           = 0
mkdir("./33", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5943 attached
 <unfinished ...>
[pid  5943] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5943] chdir("./33" <unfinished ...>
[pid  5842] <... clone resumed>, child_tidptr=0x555594deb690) = 5943
[pid  5943] <... chdir resumed>)        = 0
[pid  5943] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5943] setpgid(0, 0)               = 0
[pid  5943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5943] write(3, "1000", 4)         = 4
[pid  5943] close(3)                    = 0
[pid  5943] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5943] write(1, "executing program\n", 18) = 18
[pid  5943] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5943] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5943] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5943] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5943] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5943] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5943] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5944 attached
 <unfinished ...>
[pid  5944] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5943] <... clone3 resumed> => {parent_tid=[5944]}, 88) = 5944
[pid  5944] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5943] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5944] <... set_robust_list resumed>) = 0
[pid  5943] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5944] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5943] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5944] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5943] <... futex resumed>)        = 0
[pid  5944] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5943] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5944] <... memfd_create resumed>) = 3
[pid  5943] <... futex resumed>)        = 0
[pid  5943] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5944] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5943] <... mmap resumed>)         = 0x7f62875af000
[pid  5944] <... mmap resumed>)         = 0x7f627f000000
[pid  5943] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5944] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5943] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5944] <... write resumed>)        = 32768
[pid  5943] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5945 attached
 <unfinished ...>
[pid  5944] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5943] <... clone3 resumed> => {parent_tid=[5945]}, 88) = 5945
[pid  5943] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5944] <... munmap resumed>)       = 0
[pid  5945] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5943] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5944] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5945] <... rseq resumed>)         = 0
[pid  5943] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5945] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5944] <... openat resumed>)       = 4
[pid  5943] <... futex resumed>)        = 0
[pid  5944] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5945] <... set_robust_list resumed>) = 0
[pid  5943] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5945] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5945] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory)
[pid  5945] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5944] <... ioctl resumed>)        = 0
[pid  5943] <... futex resumed>)        = 0
[pid  5945] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5944] close(3)                    = 0
[pid  5944] close(4)                    = 0
[pid  5944] mkdir("./file0", 0777)      = 0
[pid  5944] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5944] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5944] chdir("./file0")            = 0
[pid  5944] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5944] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5944] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5943] exit_group(0)               = ?
[pid  5944] <... futex resumed>)        = ?
[pid  5944] +++ exited with 0 +++
[pid  5945] <... futex resumed>)        = ?
[pid  5945] +++ exited with 0 +++
[pid  5943] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5943, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[  133.582491][ T5944] loop0: detected capacity change from 0 to 64
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./33/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./33/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./33/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./33/file0")                     = 0
umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./33/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./33")                           = 0
mkdir("./34", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5946 attached
, child_tidptr=0x555594deb690) = 5946
[pid  5946] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5946] chdir("./34")               = 0
[pid  5946] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5946] setpgid(0, 0)               = 0
[pid  5946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5946] write(3, "1000", 4)         = 4
[pid  5946] close(3)                    = 0
[pid  5946] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5946] write(1, "executing program\n", 18executing program
) = 18
[pid  5946] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5946] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5946] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5946] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5946] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5946] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5947 attached
 <unfinished ...>
[pid  5947] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5947] set_robust_list(0x7f62875f09a0, 24) = 0
[pid  5946] <... clone3 resumed> => {parent_tid=[5947]}, 88) = 5947
[pid  5947] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5946] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5947] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5947] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5946] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5946] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5947] <... futex resumed>)        = 0
[pid  5947] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5946] <... futex resumed>)        = 1
[pid  5946] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5947] <... memfd_create resumed>) = 3
[pid  5946] <... futex resumed>)        = 0
[pid  5947] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5947] <... mmap resumed>)         = 0x7f627f000000
[pid  5946] <... mmap resumed>)         = 0x7f62875af000
[pid  5947] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5946] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5947] <... write resumed>)        = 32768
[pid  5946] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5947] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5946] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5947] <... munmap resumed>)       = 0
[pid  5946] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0} <unfinished ...>
[pid  5947] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5948 attached
) = 4
[pid  5947] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5948] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053) = 0
[pid  5947] <... ioctl resumed>)        = 0
[pid  5946] <... clone3 resumed> => {parent_tid=[5948]}, 88) = 5948
[pid  5948] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5947] close(3 <unfinished ...>
[pid  5946] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5948] <... set_robust_list resumed>) = 0
[pid  5947] <... close resumed>)        = 0
[pid  5946] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5947] close(4 <unfinished ...>
[pid  5948] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5947] <... close resumed>)        = 0
[pid  5946] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5948] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5946] <... futex resumed>)        = 0
[pid  5948] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5946] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5948] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5948] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5947] mkdir("./file0", 0777 <unfinished ...>
[pid  5946] <... futex resumed>)        = 0
[pid  5948] <... futex resumed>)        = 1
[pid  5948] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5947] <... mkdir resumed>)        = 0
[pid  5947] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5947] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5947] chdir("./file0")            = 0
[  134.065679][ T5947] loop0: detected capacity change from 0 to 64
[pid  5947] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5947] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5947] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5946] exit_group(0 <unfinished ...>
[pid  5947] <... futex resumed>)        = ?
[pid  5948] <... futex resumed>)        = ?
[pid  5946] <... exit_group resumed>)   = ?
[pid  5947] +++ exited with 0 +++
[pid  5948] +++ exited with 0 +++
[pid  5946] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5946, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./34/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./34/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./34/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./34/file0")                     = 0
umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./34/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./34")                           = 0
mkdir("./35", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5949 attached
, child_tidptr=0x555594deb690) = 5949
[pid  5949] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5949] chdir("./35")               = 0
[pid  5949] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5949] setpgid(0, 0)               = 0
[pid  5949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5949] write(3, "1000", 4)         = 4
[pid  5949] close(3)                    = 0
[pid  5949] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5949] write(1, "executing program\n", 18) = 18
[pid  5949] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5949] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5949] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5949] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5949] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5949] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5949] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5950 attached
 <unfinished ...>
[pid  5950] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5949] <... clone3 resumed> => {parent_tid=[5950]}, 88) = 5950
[pid  5950] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5949] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5950] <... set_robust_list resumed>) = 0
[pid  5949] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5950] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5949] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5950] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5949] <... futex resumed>)        = 0
[pid  5949] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5950] <... memfd_create resumed>) = 3
[pid  5949] <... futex resumed>)        = 0
[pid  5950] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5949] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5950] <... mmap resumed>)         = 0x7f627f000000
[pid  5949] <... mmap resumed>)         = 0x7f62875af000
[pid  5949] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5950] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768) = 32768
[pid  5949] <... mprotect resumed>)     = 0
[pid  5950] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5949] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5950] <... munmap resumed>)       = 0
[pid  5949] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5950] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5949] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0} <unfinished ...>
[pid  5950] <... openat resumed>)       = 4
./strace-static-x86_64: Process 5951 attached
[pid  5950] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5949] <... clone3 resumed> => {parent_tid=[5951]}, 88) = 5951
[pid  5949] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5951] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5950] <... ioctl resumed>)        = 0
[pid  5949] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5951] <... rseq resumed>)         = 0
[pid  5950] close(3 <unfinished ...>
[pid  5951] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5950] <... close resumed>)        = 0
[pid  5949] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5951] <... set_robust_list resumed>) = 0
[pid  5950] close(4 <unfinished ...>
[pid  5949] <... futex resumed>)        = 0
[pid  5951] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5950] <... close resumed>)        = 0
[pid  5949] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5951] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5950] mkdir("./file0", 0777 <unfinished ...>
[pid  5951] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5950] <... mkdir resumed>)        = 0
[pid  5951] <... openat resumed>)       = 3
[pid  5951] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5949] <... futex resumed>)        = 0
[pid  5951] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5950] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5950] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 4
[pid  5950] chdir("./file0")            = 0
[pid  5950] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5950] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5950] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5949] exit_group(0 <unfinished ...>
[pid  5950] <... futex resumed>)        = ?
[pid  5949] <... exit_group resumed>)   = ?
[pid  5951] <... futex resumed>)        = ?
[pid  5950] +++ exited with 0 +++
[pid  5951] +++ exited with 0 +++
[pid  5949] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5949, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
[  134.602268][ T5950] loop0: detected capacity change from 0 to 64
umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./35/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./35/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./35/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./35/file0")                     = 0
umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./35/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./35")                           = 0
mkdir("./36", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5952 attached
 <unfinished ...>
[pid  5952] set_robust_list(0x555594deb6a0, 24 <unfinished ...>
[pid  5842] <... clone resumed>, child_tidptr=0x555594deb690) = 5952
[pid  5952] <... set_robust_list resumed>) = 0
[pid  5952] chdir("./36")               = 0
[pid  5952] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5952] setpgid(0, 0)               = 0
[pid  5952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5952] write(3, "1000", 4)         = 4
[pid  5952] close(3)                    = 0
[pid  5952] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5952] write(1, "executing program\n", 18) = 18
[pid  5952] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5952] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5952] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5952] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5952] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5952] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5953 attached
 <unfinished ...>
[pid  5953] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5952] <... clone3 resumed> => {parent_tid=[5953]}, 88) = 5953
[pid  5953] <... rseq resumed>)         = 0
[pid  5953] set_robust_list(0x7f62875f09a0, 24) = 0
[pid  5953] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5953] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5952] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5952] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5953] <... futex resumed>)        = 0
[pid  5953] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5952] <... futex resumed>)        = 1
[pid  5953] <... memfd_create resumed>) = 3
[pid  5952] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5953] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5952] <... futex resumed>)        = 0
[pid  5953] <... mmap resumed>)         = 0x7f627f000000
[pid  5952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875af000
[pid  5953] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5952] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5953] <... write resumed>)        = 32768
[pid  5953] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5952] <... mprotect resumed>)     = 0
[pid  5953] <... munmap resumed>)       = 0
[pid  5952] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5953] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5952] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5952] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0} <unfinished ...>
[pid  5953] <... openat resumed>)       = 4
./strace-static-x86_64: Process 5954 attached
[pid  5953] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5954] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053) = 0
[pid  5952] <... clone3 resumed> => {parent_tid=[5954]}, 88) = 5954
[pid  5954] set_robust_list(0x7f62875cf9a0, 24) = 0
[pid  5952] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5954] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5952] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5954] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5952] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5954] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory)
[pid  5952] <... futex resumed>)        = 0
[pid  5954] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5952] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5954] <... futex resumed>)        = 0
[pid  5954] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5952] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5953] <... ioctl resumed>)        = 0
[pid  5953] close(3)                    = 0
[pid  5953] close(4)                    = 0
[pid  5953] mkdir("./file0", 0777)      = 0
[pid  5953] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5953] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[  135.148062][ T5953] loop0: detected capacity change from 0 to 64
[pid  5953] chdir("./file0")            = 0
[pid  5953] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5953] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5953] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5952] exit_group(0 <unfinished ...>
[pid  5954] <... futex resumed>)        = ?
[pid  5953] <... futex resumed>)        = ?
[pid  5952] <... exit_group resumed>)   = ?
[pid  5954] +++ exited with 0 +++
[pid  5953] +++ exited with 0 +++
[pid  5952] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5952, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./36/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./36/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./36/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./36/file0")                     = 0
umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./36/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./36")                           = 0
mkdir("./37", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5955 attached
, child_tidptr=0x555594deb690) = 5955
[pid  5955] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5955] chdir("./37")               = 0
[pid  5955] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5955] setpgid(0, 0)               = 0
[pid  5955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5955] write(3, "1000", 4)         = 4
[pid  5955] close(3)                    = 0
[pid  5955] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5955] write(1, "executing program\n", 18) = 18
[pid  5955] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5955] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5955] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5955] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5955] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5955] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5956 attached
 => {parent_tid=[5956]}, 88) = 5956
[pid  5956] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5955] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5956] <... rseq resumed>)         = 0
[pid  5955] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5956] set_robust_list(0x7f62875f09a0, 24) = 0
[pid  5955] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5956] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5955] <... futex resumed>)        = 0
[pid  5956] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5955] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5956] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5955] <... futex resumed>)        = 0
[pid  5956] <... memfd_create resumed>) = 3
[pid  5955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5956] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5955] <... mmap resumed>)         = 0x7f62875af000
[pid  5956] <... mmap resumed>)         = 0x7f627f000000
[pid  5955] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5956] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5955] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5956] <... write resumed>)        = 32768
[pid  5955] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0} <unfinished ...>
[pid  5956] munmap(0x7f627f000000, 138412032./strace-static-x86_64: Process 5957 attached
) = 0
[pid  5957] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5956] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5955] <... clone3 resumed> => {parent_tid=[5957]}, 88) = 5957
[pid  5957] <... rseq resumed>)         = 0
[pid  5955] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5957] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5956] <... openat resumed>)       = 4
[pid  5955] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5957] <... set_robust_list resumed>) = 0
[pid  5955] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5957] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5955] <... futex resumed>)        = 0
[pid  5957] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5955] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5957] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5956] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5957] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5956] <... ioctl resumed>)        = 0
[pid  5956] close(3 <unfinished ...>
[pid  5957] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5956] <... close resumed>)        = 0
[pid  5957] <... futex resumed>)        = 1
[pid  5955] <... futex resumed>)        = 0
[pid  5957] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5956] close(4)                    = 0
[pid  5956] mkdir("./file0", 0777)      = 0
[pid  5956] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5956] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5956] chdir("./file0")            = 0
[  135.640588][ T5956] loop0: detected capacity change from 0 to 64
[pid  5956] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5956] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5955] exit_group(0 <unfinished ...>
[pid  5956] <... futex resumed>)        = 0
[pid  5957] <... futex resumed>)        = ?
[pid  5955] <... exit_group resumed>)   = ?
[pid  5957] +++ exited with 0 +++
[pid  5956] +++ exited with 0 +++
[pid  5955] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5955, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./37/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./37/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./37/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./37/file0")                     = 0
umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./37/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./37")                           = 0
mkdir("./38", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5958 attached
 <unfinished ...>
[pid  5958] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5958] chdir("./38" <unfinished ...>
[pid  5842] <... clone resumed>, child_tidptr=0x555594deb690) = 5958
[pid  5958] <... chdir resumed>)        = 0
[pid  5958] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5958] setpgid(0, 0)               = 0
[pid  5958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5958] write(3, "1000", 4)         = 4
[pid  5958] close(3)                    = 0
[pid  5958] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5958] write(1, "executing program\n", 18) = 18
[pid  5958] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5958] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5958] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5958] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5958] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5958] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5958] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5959 attached
 <unfinished ...>
[pid  5959] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5959] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5958] <... clone3 resumed> => {parent_tid=[5959]}, 88) = 5959
[pid  5959] <... set_robust_list resumed>) = 0
[pid  5958] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5959] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5958] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5959] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5958] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5959] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5958] <... futex resumed>)        = 0
[pid  5959] <... memfd_create resumed>) = 3
[pid  5958] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5959] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5958] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5959] <... mmap resumed>)         = 0x7f627f000000
[pid  5958] <... mmap resumed>)         = 0x7f62875af000
[pid  5958] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5959] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5958] <... mprotect resumed>)     = 0
[pid  5959] <... write resumed>)        = 32768
[pid  5959] munmap(0x7f627f000000, 138412032) = 0
[pid  5958] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5959] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5958] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5959] <... openat resumed>)       = 4
[pid  5958] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5960 attached
 <unfinished ...>
[pid  5960] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053) = 0
[pid  5959] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5960] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5958] <... clone3 resumed> => {parent_tid=[5960]}, 88) = 5960
[pid  5958] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5958] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5958] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5960] <... set_robust_list resumed>) = 0
[pid  5959] <... ioctl resumed>)        = 0
[pid  5959] close(3)                    = 0
[pid  5960] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5959] close(4 <unfinished ...>
[pid  5960] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory)
[pid  5959] <... close resumed>)        = 0
[pid  5959] mkdir("./file0", 0777)      = 0
[pid  5959] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869," <unfinished ...>
[pid  5960] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5958] <... futex resumed>)        = 0
[pid  5960] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5959] <... mount resumed>)        = 0
[pid  5959] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[  136.137242][ T5959] loop0: detected capacity change from 0 to 64
[pid  5959] chdir("./file0")            = 0
[pid  5959] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5959] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5959] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5958] exit_group(0 <unfinished ...>
[pid  5960] <... futex resumed>)        = ?
[pid  5959] <... futex resumed>)        = ?
[pid  5958] <... exit_group resumed>)   = ?
[pid  5960] +++ exited with 0 +++
[pid  5959] +++ exited with 0 +++
[pid  5958] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5958, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./38/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./38/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./38/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./38/file0")                     = 0
umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./38/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./38")                           = 0
mkdir("./39", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5961 attached
, child_tidptr=0x555594deb690) = 5961
[pid  5961] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5961] chdir("./39")               = 0
[pid  5961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5961] setpgid(0, 0)               = 0
[pid  5961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5961] write(3, "1000", 4)         = 4
[pid  5961] close(3)                    = 0
[pid  5961] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5961] write(1, "executing program\n", 18executing program
) = 18
[pid  5961] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5961] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5961] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5961] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5961] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5961] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5961] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5962 attached
 <unfinished ...>
[pid  5962] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5961] <... clone3 resumed> => {parent_tid=[5962]}, 88) = 5962
[pid  5962] <... rseq resumed>)         = 0
[pid  5962] set_robust_list(0x7f62875f09a0, 24) = 0
[pid  5961] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5962] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5961] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5962] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5961] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5961] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5962] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5961] <... futex resumed>)        = 0
[pid  5961] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5962] <... memfd_create resumed>) = 3
[pid  5962] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5961] <... mmap resumed>)         = 0x7f62875af000
[pid  5962] <... mmap resumed>)         = 0x7f627f000000
[pid  5961] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5961] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5962] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5961] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5961] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5963 attached
 <unfinished ...>
[pid  5962] <... write resumed>)        = 32768
[pid  5963] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5962] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5961] <... clone3 resumed> => {parent_tid=[5963]}, 88) = 5963
[pid  5963] <... rseq resumed>)         = 0
[pid  5961] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5963] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5961] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5963] <... set_robust_list resumed>) = 0
[pid  5961] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5963] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5962] <... munmap resumed>)       = 0
[pid  5961] <... futex resumed>)        = 0
[pid  5963] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5961] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5963] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5962] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5963] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5962] <... openat resumed>)       = 5
[pid  5962] ioctl(5, LOOP_SET_FD, 3 <unfinished ...>
[pid  5963] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5963] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5961] <... futex resumed>)        = 0
[pid  5962] <... ioctl resumed>)        = 0
[pid  5962] close(3)                    = 0
[pid  5962] close(5)                    = 0
[pid  5962] mkdir("./file0", 0777)      = 0
[pid  5962] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5962] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5962] chdir("./file0")            = 0
[pid  5962] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[  136.707013][ T5962] loop0: detected capacity change from 0 to 64
[pid  5962] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5961] exit_group(0 <unfinished ...>
[pid  5962] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5963] <... futex resumed>)        = ?
[pid  5963] +++ exited with 0 +++
[pid  5961] <... exit_group resumed>)   = ?
[pid  5962] <... futex resumed>)        = ?
[pid  5962] +++ exited with 0 +++
[pid  5961] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5961, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./39/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./39/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./39/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./39/file0")                     = 0
umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./39/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./39")                           = 0
mkdir("./40", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5964 attached
 <unfinished ...>
[pid  5964] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5964] chdir("./40" <unfinished ...>
[pid  5842] <... clone resumed>, child_tidptr=0x555594deb690) = 5964
[pid  5964] <... chdir resumed>)        = 0
[pid  5964] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5964] setpgid(0, 0)               = 0
[pid  5964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5964] write(3, "1000", 4)         = 4
[pid  5964] close(3)                    = 0
[pid  5964] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid  5964] write(1, "executing program\n", 18) = 18
[pid  5964] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5964] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5964] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5964] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5964] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5964] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5964] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5965 attached
 <unfinished ...>
[pid  5965] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5964] <... clone3 resumed> => {parent_tid=[5965]}, 88) = 5965
[pid  5965] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5964] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5965] <... set_robust_list resumed>) = 0
[pid  5964] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5965] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5964] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5965] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5964] <... futex resumed>)        = 0
[pid  5965] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5964] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5964] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875af000
[pid  5965] <... memfd_create resumed>) = 3
[pid  5964] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5965] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5964] <... mprotect resumed>)     = 0
[pid  5965] <... mmap resumed>)         = 0x7f627f000000
[pid  5964] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5965] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5964] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5965] <... write resumed>)        = 32768
[pid  5964] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5966 attached
 <unfinished ...>
[pid  5965] munmap(0x7f627f000000, 138412032) = 0
[pid  5966] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053) = 0
[pid  5966] set_robust_list(0x7f62875cf9a0, 24) = 0
[pid  5965] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5964] <... clone3 resumed> => {parent_tid=[5966]}, 88) = 5966
[pid  5966] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5965] <... openat resumed>)       = 4
[pid  5964] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5966] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5966] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5964] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5965] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5964] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5966] <... futex resumed>)        = 0
[pid  5964] <... futex resumed>)        = 1
[pid  5966] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5964] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5966] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5966] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5965] <... ioctl resumed>)        = 0
[pid  5966] <... futex resumed>)        = 1
[pid  5965] close(3)                    = 0
[pid  5965] close(4 <unfinished ...>
[pid  5966] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5965] <... close resumed>)        = 0
[pid  5964] <... futex resumed>)        = 0
[pid  5965] mkdir("./file0", 0777)      = 0
[pid  5965] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5965] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5965] chdir("./file0")            = 0
[  137.085523][ T5965] loop0: detected capacity change from 0 to 64
[pid  5965] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5965] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5964] exit_group(0 <unfinished ...>
[pid  5965] <... futex resumed>)        = ?
[pid  5964] <... exit_group resumed>)   = ?
[pid  5966] <... futex resumed>)        = ?
[pid  5965] +++ exited with 0 +++
[pid  5966] +++ exited with 0 +++
[pid  5964] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5964, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./40/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./40/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./40/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./40/file0")                     = 0
umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./40/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./40")                           = 0
mkdir("./41", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5967 attached
 <unfinished ...>
[pid  5967] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5967] chdir("./41" <unfinished ...>
[pid  5842] <... clone resumed>, child_tidptr=0x555594deb690) = 5967
[pid  5967] <... chdir resumed>)        = 0
[pid  5967] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5967] setpgid(0, 0)               = 0
[pid  5967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5967] write(3, "1000", 4)         = 4
[pid  5967] close(3)                    = 0
[pid  5967] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid  5967] write(1, "executing program\n", 18) = 18
[pid  5967] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5967] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5967] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5967] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5967] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5967] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5968 attached
 <unfinished ...>
[pid  5968] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5968] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5967] <... clone3 resumed> => {parent_tid=[5968]}, 88) = 5968
[pid  5968] <... set_robust_list resumed>) = 0
[pid  5967] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5968] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5967] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5968] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5967] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5968] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5967] <... futex resumed>)        = 0
[pid  5968] <... memfd_create resumed>) = 3
[pid  5967] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875af000
[pid  5967] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5967] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5968] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5967] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5968] <... mmap resumed>)         = 0x7f627f000000
[pid  5967] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5969 attached
 <unfinished ...>
[pid  5969] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5968] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5969] <... rseq resumed>)         = 0
[pid  5967] <... clone3 resumed> => {parent_tid=[5969]}, 88) = 5969
[pid  5969] set_robust_list(0x7f62875cf9a0, 24) = 0
[pid  5968] <... write resumed>)        = 32768
[pid  5967] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5969] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5967] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5969] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5967] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5969] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5967] <... futex resumed>)        = 0
[pid  5969] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5968] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5967] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5969] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5968] <... munmap resumed>)       = 0
[pid  5967] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5969] <... futex resumed>)        = 0
[pid  5968] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5969] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5968] <... openat resumed>)       = 4
[pid  5968] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5968] close(3)                    = 0
[pid  5968] close(4)                    = 0
[pid  5968] mkdir("./file0", 0777)      = 0
[pid  5968] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5968] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5968] chdir("./file0")            = 0
[pid  5968] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5968] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5968] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5967] exit_group(0 <unfinished ...>
[pid  5969] <... futex resumed>)        = ?
[pid  5968] <... futex resumed>)        = ?
[  137.590335][ T5968] loop0: detected capacity change from 0 to 64
[pid  5969] +++ exited with 0 +++
[pid  5968] +++ exited with 0 +++
[pid  5967] <... exit_group resumed>)   = ?
[pid  5967] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5967, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./41/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./41/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./41/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./41/file0")                     = 0
umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./41/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./41")                           = 0
mkdir("./42", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5970 attached
 <unfinished ...>
[pid  5970] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5970] chdir("./42" <unfinished ...>
[pid  5842] <... clone resumed>, child_tidptr=0x555594deb690) = 5970
[pid  5970] <... chdir resumed>)        = 0
[pid  5970] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5970] setpgid(0, 0)               = 0
[pid  5970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5970] write(3, "1000", 4)         = 4
[pid  5970] close(3)                    = 0
[pid  5970] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5970] write(1, "executing program\n", 18) = 18
[pid  5970] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5970] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5970] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5970] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5970] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5970] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5970] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5971 attached
 <unfinished ...>
[pid  5971] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5971] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5970] <... clone3 resumed> => {parent_tid=[5971]}, 88) = 5971
[pid  5971] <... set_robust_list resumed>) = 0
[pid  5970] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5971] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5970] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5971] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5970] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5971] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5970] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5970] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875af000
[pid  5970] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5971] <... memfd_create resumed>) = 3
[pid  5970] <... mprotect resumed>)     = 0
[pid  5971] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f627f000000
[pid  5970] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5971] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5970] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5971] <... write resumed>)        = 32768
[pid  5970] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0} <unfinished ...>
[pid  5971] munmap(0x7f627f000000, 138412032) = 0
[pid  5971] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5972 attached
) = 4
[pid  5970] <... clone3 resumed> => {parent_tid=[5972]}, 88) = 5972
[pid  5972] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053) = 0
[pid  5970] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5972] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5971] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5970] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5972] <... set_robust_list resumed>) = 0
[pid  5972] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5972] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5970] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5971] <... ioctl resumed>)        = 0
[pid  5970] <... futex resumed>)        = 1
[pid  5972] <... futex resumed>)        = 0
[pid  5971] close(3)                    = 0
[pid  5971] close(4 <unfinished ...>
[pid  5972] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5971] <... close resumed>)        = 0
[pid  5970] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5971] mkdir("./file0", 0777 <unfinished ...>
[pid  5972] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5971] <... mkdir resumed>)        = 0
[pid  5972] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5970] <... futex resumed>)        = 0
[pid  5972] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5971] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5971] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5971] chdir("./file0")            = 0
[pid  5971] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[  138.169107][ T5971] loop0: detected capacity change from 0 to 64
[pid  5971] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5971] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5970] exit_group(0 <unfinished ...>
[pid  5972] <... futex resumed>)        = ?
[pid  5971] <... futex resumed>)        = ?
[pid  5970] <... exit_group resumed>)   = ?
[pid  5972] +++ exited with 0 +++
[pid  5971] +++ exited with 0 +++
[pid  5970] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5970, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./42/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./42/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./42/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./42/file0")                     = 0
umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./42/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./42")                           = 0
mkdir("./43", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5973 attached
, child_tidptr=0x555594deb690) = 5973
[pid  5973] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5973] chdir("./43")               = 0
[pid  5973] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5973] setpgid(0, 0)               = 0
[pid  5973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5973] write(3, "1000", 4)         = 4
[pid  5973] close(3)                    = 0
[pid  5973] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid  5973] write(1, "executing program\n", 18) = 18
[pid  5973] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5973] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5973] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5973] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5973] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5973] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5973] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0} => {parent_tid=[5974]}, 88) = 5974
[pid  5973] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5973] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5973] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
./strace-static-x86_64: Process 5974 attached
[pid  5973] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5974] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5973] <... mmap resumed>)         = 0x7f62875af000
[pid  5974] <... rseq resumed>)         = 0
[pid  5973] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5974] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5973] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5974] <... set_robust_list resumed>) = 0
[pid  5973] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5974] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5973] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0} <unfinished ...>
[pid  5974] <... rt_sigprocmask resumed>NULL, 8) = 0
./strace-static-x86_64: Process 5975 attached
[pid  5974] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5973] <... clone3 resumed> => {parent_tid=[5975]}, 88) = 5975
[pid  5974] <... memfd_create resumed>) = 3
[pid  5973] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5975] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5974] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5973] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5974] <... mmap resumed>)         = 0x7f627f000000
[pid  5973] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5973] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5975] <... rseq resumed>)         = 0
[pid  5974] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5975] set_robust_list(0x7f62875cf9a0, 24) = 0
[pid  5974] <... write resumed>)        = 32768
[pid  5975] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5975] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory)
[pid  5974] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5975] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5974] <... munmap resumed>)       = 0
[pid  5975] <... futex resumed>)        = 1
[pid  5973] <... futex resumed>)        = 0
[pid  5975] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5974] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5974] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5974] close(3)                    = 0
[pid  5974] close(4)                    = 0
[pid  5974] mkdir("./file0", 0777)      = 0
[pid  5974] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5974] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5974] chdir("./file0")            = 0
[pid  5974] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5974] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5973] exit_group(0 <unfinished ...>
[pid  5974] <... futex resumed>)        = 0
[pid  5975] <... futex resumed>)        = ?
[pid  5973] <... exit_group resumed>)   = ?
[pid  5975] +++ exited with 0 +++
[pid  5974] +++ exited with 0 +++
[pid  5973] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5973, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[  138.648278][ T5974] loop0: detected capacity change from 0 to 64
openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./43/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./43/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./43/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./43/file0")                     = 0
umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./43/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./43")                           = 0
mkdir("./44", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555594deb690) = 5976
./strace-static-x86_64: Process 5976 attached
[pid  5976] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5976] chdir("./44")               = 0
[pid  5976] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5976] setpgid(0, 0)               = 0
[pid  5976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5976] write(3, "1000", 4)         = 4
[pid  5976] close(3)                    = 0
[pid  5976] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5976] write(1, "executing program\n", 18) = 18
[pid  5976] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5976] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5976] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5976] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5976] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5976] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5976] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5977 attached
 <unfinished ...>
[pid  5977] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5976] <... clone3 resumed> => {parent_tid=[5977]}, 88) = 5977
[pid  5977] <... rseq resumed>)         = 0
[pid  5976] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5977] set_robust_list(0x7f62875f09a0, 24) = 0
[pid  5976] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5976] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5977] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5976] <... futex resumed>)        = 0
[pid  5977] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5977] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5976] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5976] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875af000
[pid  5976] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5977] <... memfd_create resumed>) = 3
[pid  5976] <... mprotect resumed>)     = 0
[pid  5976] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5977] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5976] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5977] <... mmap resumed>)         = 0x7f627f000000
[pid  5976] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0} <unfinished ...>
[pid  5977] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768./strace-static-x86_64: Process 5978 attached
 <unfinished ...>
[pid  5976] <... clone3 resumed> => {parent_tid=[5978]}, 88) = 5978
[pid  5978] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5977] <... write resumed>)        = 32768
[pid  5976] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5978] <... rseq resumed>)         = 0
[pid  5978] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5977] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5976] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5978] <... set_robust_list resumed>) = 0
[pid  5976] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5978] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5976] <... futex resumed>)        = 0
[pid  5978] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5978] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5977] <... munmap resumed>)       = 0
[pid  5976] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5978] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5977] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5978] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5977] <... openat resumed>)       = 4
[pid  5976] <... futex resumed>)        = 0
[pid  5978] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5977] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5977] close(3)                    = 0
[pid  5977] close(4)                    = 0
[pid  5977] mkdir("./file0", 0777)      = 0
[pid  5977] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5977] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5977] chdir("./file0")            = 0
[pid  5977] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[  139.159631][ T5977] loop0: detected capacity change from 0 to 64
[pid  5977] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5977] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5976] exit_group(0)               = ?
[pid  5978] <... futex resumed>)        = ?
[pid  5977] <... futex resumed>)        = ?
[pid  5977] +++ exited with 0 +++
[pid  5978] +++ exited with 0 +++
[pid  5976] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5976, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./44/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./44/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./44/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./44/file0")                     = 0
umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./44/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./44")                           = 0
mkdir("./45", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5979 attached
, child_tidptr=0x555594deb690) = 5979
[pid  5979] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5979] chdir("./45")               = 0
[pid  5979] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5979] setpgid(0, 0)               = 0
[pid  5979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5979] write(3, "1000", 4)         = 4
[pid  5979] close(3)                    = 0
[pid  5979] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5979] write(1, "executing program\n", 18executing program
) = 18
[pid  5979] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5979] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5979] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5979] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5979] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5979] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5979] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5980 attached
 <unfinished ...>
[pid  5980] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5979] <... clone3 resumed> => {parent_tid=[5980]}, 88) = 5980
[pid  5980] <... rseq resumed>)         = 0
[pid  5979] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5980] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5979] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5980] <... set_robust_list resumed>) = 0
[pid  5979] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5980] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5979] <... futex resumed>)        = 0
[pid  5979] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5980] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5979] <... futex resumed>)        = 0
[pid  5980] <... memfd_create resumed>) = 3
[pid  5979] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5980] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5979] <... mmap resumed>)         = 0x7f62875af000
[pid  5980] <... mmap resumed>)         = 0x7f627f000000
[pid  5979] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5980] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5979] <... mprotect resumed>)     = 0
[pid  5980] <... write resumed>)        = 32768
[pid  5980] munmap(0x7f627f000000, 138412032) = 0
[pid  5979] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5980] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5979] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5981 attached
 <unfinished ...>
[pid  5980] <... openat resumed>)       = 4
[pid  5981] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053) = 0
[pid  5980] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5979] <... clone3 resumed> => {parent_tid=[5981]}, 88) = 5981
[pid  5981] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5979] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5979] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5979] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5981] <... set_robust_list resumed>) = 0
[pid  5980] <... ioctl resumed>)        = 0
[pid  5981] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5981] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory)
[pid  5981] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5980] close(3 <unfinished ...>
[pid  5979] <... futex resumed>)        = 0
[pid  5981] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5980] <... close resumed>)        = 0
[pid  5980] close(4)                    = 0
[pid  5980] mkdir("./file0", 0777)      = 0
[pid  5980] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5980] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[  139.714983][ T5980] loop0: detected capacity change from 0 to 64
[pid  5980] chdir("./file0")            = 0
[pid  5980] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5980] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5980] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5979] exit_group(0 <unfinished ...>
[pid  5981] <... futex resumed>)        = ?
[pid  5980] <... futex resumed>)        = ?
[pid  5979] <... exit_group resumed>)   = ?
[pid  5981] +++ exited with 0 +++
[pid  5980] +++ exited with 0 +++
[pid  5979] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5979, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./45/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./45/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./45/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./45/file0")                     = 0
umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./45/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./45")                           = 0
mkdir("./46", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5982 attached
 <unfinished ...>
[pid  5982] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5842] <... clone resumed>, child_tidptr=0x555594deb690) = 5982
[pid  5982] chdir("./46")               = 0
[pid  5982] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5982] setpgid(0, 0)               = 0
[pid  5982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5982] write(3, "1000", 4)         = 4
[pid  5982] close(3)                    = 0
[pid  5982] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid  5982] write(1, "executing program\n", 18) = 18
[pid  5982] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5982] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5982] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5982] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5982] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5982] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5982] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5983 attached
 => {parent_tid=[5983]}, 88) = 5983
[pid  5982] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5982] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5982] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5982] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875af000
[pid  5982] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5983] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5982] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5983] set_robust_list(0x7f62875f09a0, 24) = 0
[pid  5983] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5982] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5983] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5983] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5982] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5984 attached
 <unfinished ...>
[pid  5983] <... memfd_create resumed>) = 3
[pid  5984] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5983] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5984] <... rseq resumed>)         = 0
[pid  5982] <... clone3 resumed> => {parent_tid=[5984]}, 88) = 5984
[pid  5984] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5983] <... mmap resumed>)         = 0x7f627f000000
[pid  5982] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5984] <... set_robust_list resumed>) = 0
[pid  5982] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5984] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5982] <... futex resumed>)        = 0
[pid  5982] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5984] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5983] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5984] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory)
[pid  5983] <... write resumed>)        = 32768
[pid  5984] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5983] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5984] <... futex resumed>)        = 1
[pid  5982] <... futex resumed>)        = 0
[pid  5984] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5983] <... munmap resumed>)       = 0
[pid  5983] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5983] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5983] close(3)                    = 0
[pid  5983] close(4)                    = 0
[pid  5983] mkdir("./file0", 0777)      = 0
[pid  5983] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5983] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[  140.071849][ T5983] loop0: detected capacity change from 0 to 64
[pid  5983] chdir("./file0")            = 0
[pid  5983] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5983] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5983] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5982] exit_group(0 <unfinished ...>
[pid  5984] <... futex resumed>)        = ?
[pid  5983] <... futex resumed>)        = ?
[pid  5982] <... exit_group resumed>)   = ?
[pid  5983] +++ exited with 0 +++
[pid  5984] +++ exited with 0 +++
[pid  5982] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5982, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./46/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./46/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./46/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./46/file0")                     = 0
umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./46/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./46")                           = 0
mkdir("./47", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5985 attached
 <unfinished ...>
[pid  5985] set_robust_list(0x555594deb6a0, 24) = 0
[pid  5985] chdir("./47" <unfinished ...>
[pid  5842] <... clone resumed>, child_tidptr=0x555594deb690) = 5985
[pid  5985] <... chdir resumed>)        = 0
[pid  5985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5985] setpgid(0, 0)               = 0
[pid  5985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5985] write(3, "1000", 4)         = 4
[pid  5985] close(3)                    = 0
[pid  5985] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5985] write(1, "executing program\n", 18executing program
) = 18
[pid  5985] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5985] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5985] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5985] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5985] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5985] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5985] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5986 attached
 <unfinished ...>
[pid  5986] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5985] <... clone3 resumed> => {parent_tid=[5986]}, 88) = 5986
[pid  5986] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5985] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5986] <... set_robust_list resumed>) = 0
[pid  5985] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5986] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5985] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5986] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5985] <... futex resumed>)        = 0
[pid  5985] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5985] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5986] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5985] <... mmap resumed>)         = 0x7f62875af000
[pid  5985] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5986] <... memfd_create resumed>) = 3
[pid  5985] <... mprotect resumed>)     = 0
[pid  5986] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f627f000000
[pid  5985] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5985] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0} <unfinished ...>
[pid  5986] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768./strace-static-x86_64: Process 5987 attached
 <unfinished ...>
[pid  5987] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5986] <... write resumed>)        = 32768
[pid  5986] munmap(0x7f627f000000, 138412032 <unfinished ...>
[pid  5987] <... rseq resumed>)         = 0
[pid  5987] set_robust_list(0x7f62875cf9a0, 24) = 0
[pid  5987] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5987] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5986] <... munmap resumed>)       = 0
[pid  5985] <... clone3 resumed> => {parent_tid=[5987]}, 88) = 5987
[pid  5986] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5985] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5986] <... openat resumed>)       = 4
[pid  5985] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5986] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5987] <... futex resumed>)        = 0
[pid  5985] <... futex resumed>)        = 1
[pid  5987] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory)
[pid  5985] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5987] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5986] <... ioctl resumed>)        = 0
[pid  5985] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5987] <... futex resumed>)        = 0
[pid  5986] close(3 <unfinished ...>
[pid  5987] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5986] <... close resumed>)        = 0
[pid  5986] close(4)                    = 0
[pid  5986] mkdir("./file0", 0777)      = 0
[pid  5986] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5986] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5986] chdir("./file0")            = 0
[pid  5986] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5986] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5986] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5985] exit_group(0 <unfinished ...>
[pid  5987] <... futex resumed>)        = ?
[pid  5986] <... futex resumed>)        = ?
[pid  5985] <... exit_group resumed>)   = ?
[pid  5987] +++ exited with 0 +++
[pid  5986] +++ exited with 0 +++
[pid  5985] +++ exited with 0 +++
[  140.353299][ T5986] loop0: detected capacity change from 0 to 64
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5985, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./47/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./47/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./47/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./47/file0")                     = 0
umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./47/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./47")                           = 0
mkdir("./48", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5988 attached
 <unfinished ...>
[pid  5988] set_robust_list(0x555594deb6a0, 24 <unfinished ...>
[pid  5842] <... clone resumed>, child_tidptr=0x555594deb690) = 5988
[pid  5988] <... set_robust_list resumed>) = 0
[pid  5988] chdir("./48")               = 0
[pid  5988] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5988] setpgid(0, 0)               = 0
[pid  5988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5988] write(3, "1000", 4)         = 4
[pid  5988] close(3)                    = 0
[pid  5988] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5988] write(1, "executing program\n", 18executing program
) = 18
[pid  5988] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5988] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5988] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5988] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5988] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5988] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5988] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5989 attached
 <unfinished ...>
[pid  5989] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5989] set_robust_list(0x7f62875f09a0, 24) = 0
[pid  5988] <... clone3 resumed> => {parent_tid=[5989]}, 88) = 5989
[pid  5989] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5988] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5989] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5988] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5989] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5988] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5989] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5988] <... futex resumed>)        = 0
[pid  5988] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5989] memfd_create("syzkaller", 0) = 3
[pid  5988] <... futex resumed>)        = 0
[pid  5989] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5988] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5989] <... mmap resumed>)         = 0x7f627f000000
[pid  5988] <... mmap resumed>)         = 0x7f62875af000
[pid  5988] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5989] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768 <unfinished ...>
[pid  5988] <... mprotect resumed>)     = 0
[pid  5989] <... write resumed>)        = 32768
[pid  5989] munmap(0x7f627f000000, 138412032) = 0
[pid  5988] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5989] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5988] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0} <unfinished ...>
[pid  5989] <... openat resumed>)       = 4
./strace-static-x86_64: Process 5990 attached
[pid  5990] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053) = 0
[pid  5989] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5990] set_robust_list(0x7f62875cf9a0, 24 <unfinished ...>
[pid  5988] <... clone3 resumed> => {parent_tid=[5990]}, 88) = 5990
[pid  5988] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5988] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5988] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5990] <... set_robust_list resumed>) = 0
[pid  5989] <... ioctl resumed>)        = 0
[pid  5990] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5989] close(3 <unfinished ...>
[pid  5990] openat(AT_FDCWD, "./file0", O_RDONLY <unfinished ...>
[pid  5989] <... close resumed>)        = 0
[pid  5990] <... openat resumed>)       = -1 ENOENT (No such file or directory)
[pid  5989] close(4 <unfinished ...>
[pid  5990] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5988] <... futex resumed>)        = 0
[pid  5989] <... close resumed>)        = 0
[pid  5990] <... futex resumed>)        = 1
[pid  5990] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5989] mkdir("./file0", 0777)      = 0
[pid  5989] mount("/dev/loop0", "./file0", "hfs", MS_NOSUID|MS_SYNCHRONOUS, "codepage=iso8859-5,umask=0000000000000777,iocharset=cp869,") = 0
[pid  5989] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5989] chdir("./file0")            = 0
[pid  5989] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5989] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[  140.706617][ T5989] loop0: detected capacity change from 0 to 64
[pid  5989] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5988] exit_group(0 <unfinished ...>
[pid  5990] <... futex resumed>)        = ?
[pid  5989] <... futex resumed>)        = ?
[pid  5988] <... exit_group resumed>)   = ?
[pid  5990] +++ exited with 0 +++
[pid  5989] +++ exited with 0 +++
[pid  5988] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5988, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555594dec730 /* 4 entries */, 32768) = 112
umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./48/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./48/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./48/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555594df4770 /* 2 entries */, 32768) = 48
getdents64(4, 0x555594df4770 /* 0 entries */, 32768) = 0
close(4)                                = 0
rmdir("./48/file0")                     = 0
umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./48/binderfs")                 = 0
getdents64(3, 0x555594dec730 /* 0 entries */, 32768) = 0
close(3)                                = 0
rmdir("./48")                           = 0
mkdir("./49", 0777)                     = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5991 attached
 <unfinished ...>
[pid  5991] set_robust_list(0x555594deb6a0, 24 <unfinished ...>
[pid  5842] <... clone resumed>, child_tidptr=0x555594deb690) = 5991
[pid  5991] <... set_robust_list resumed>) = 0
[pid  5991] chdir("./49")               = 0
[pid  5991] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5991] setpgid(0, 0)               = 0
[pid  5991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5991] write(3, "1000", 4)         = 4
[pid  5991] close(3)                    = 0
[pid  5991] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5991] write(1, "executing program\n", 18executing program
) = 18
[pid  5991] futex(0x7f62876c36ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5991] rt_sigaction(SIGRT_1, {sa_handler=0x7f6287661eb0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6287653060}, NULL, 8) = 0
[pid  5991] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5991] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f62875d0000
[pid  5991] mprotect(0x7f62875d1000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5991] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5991] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875f0990, parent_tid=0x7f62875f0990, exit_signal=0, stack=0x7f62875d0000, stack_size=0x20300, tls=0x7f62875f06c0}./strace-static-x86_64: Process 5992 attached
 <unfinished ...>
[pid  5992] rseq(0x7f62875f0fe0, 0x20, 0, 0x53053053) = 0
[pid  5992] set_robust_list(0x7f62875f09a0, 24 <unfinished ...>
[pid  5991] <... clone3 resumed> => {parent_tid=[5992]}, 88) = 5992
[pid  5992] <... set_robust_list resumed>) = 0
[pid  5992] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5991] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5992] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5991] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5992] futex(0x7f62876c36a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5991] futex(0x7f62876c36a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5992] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5991] <... futex resumed>)        = 0
[pid  5992] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5991] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5991] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5992] <... memfd_create resumed>) = 3
[pid  5991] <... mmap resumed>)         = 0x7f62875af000
[pid  5991] mprotect(0x7f62875b0000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5992] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5991] <... mprotect resumed>)     = 0
[pid  5992] <... mmap resumed>)         = 0x7f627f000000
[pid  5991] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5991] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f62875cf990, parent_tid=0x7f62875cf990, exit_signal=0, stack=0x7f62875af000, stack_size=0x20300, tls=0x7f62875cf6c0}./strace-static-x86_64: Process 5993 attached
 <unfinished ...>
[pid  5993] rseq(0x7f62875cffe0, 0x20, 0, 0x53053053) = 0
[pid  5993] set_robust_list(0x7f62875cf9a0, 24) = 0
[pid  5991] <... clone3 resumed> => {parent_tid=[5993]}, 88) = 5993
[pid  5993] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5991] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5993] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5993] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5991] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5991] futex(0x7f62876c36b8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5993] <... futex resumed>)        = 0
[pid  5991] futex(0x7f62876c36bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5993] openat(AT_FDCWD, "./file0", O_RDONLY) = -1 ENOENT (No such file or directory)
[pid  5992] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32769 <unfinished ...>
[pid  5993] futex(0x7f62876c36bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5991] <... futex resumed>)        = 0
[pid  5993] futex(0x7f62876c36b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5992] <... write resumed>)        = 32769
[pid  5992] munmap(0x7f627f000000, 138412032) = 0
[pid  5992] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5992] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5992] close(3)                    = 0
[pid  5992] close(4)                    = 0
[pid  5992] mkdir("./file0", 0777)      = 0
[  141.194440][ T5992] loop0: detected capacity change from 0 to 64
[  141.219706][ T5992] hfs: unable to locate alternate MDB
[  141.225230][ T5992] hfs: continuing without an alternate MDB
[  141.231829][ T5992] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] SMP KASAN PTI
[  141.243751][ T5992] KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047]
[  141.252176][ T5992] CPU: 0 UID: 0 PID: 5992 Comm: syz-executor766 Not tainted 6.16.0-rc3-syzkaller-00072-gee88bddf7f2f #0 PREEMPT(full) 
[  141.264595][ T5992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[  141.274665][ T5992] RIP: 0010:hfs_find_init+0x6a/0x1e0
[  141.279991][ T5992] Code: 7e 18 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 b8 b4 8a ff 49 c7 07 00 00 00 00 48 8d 6b 40 49 89 ef 49 c1 ef 03 <43> 0f b6 04 2f 84 c0 0f 85 0c 01 00 00 8b 45 00 8d 3c 45 04 00 00
[  141.299608][ T5992] RSP: 0018:ffffc9000448f588 EFLAGS: 00010202
[  141.305672][ T5992] RAX: 1ffff92000891ecf RBX: 0000000000000000 RCX: ffff8880790bda00
[  141.313638][ T5992] RDX: 0000000000000000 RSI: ffffc9000448f660 RDI: ffffc9000448f670
[  141.321602][ T5992] RBP: 0000000000000040 R08: ffffc9000448f697 R09: 0000000000000000
[  141.329562][ T5992] R10: ffffc9000448f660 R11: fffff52000891ed3 R12: ffff88807c10c640
[  141.337523][ T5992] R13: dffffc0000000000 R14: ffffc9000448f660 R15: 0000000000000008
[  141.345482][ T5992] FS:  00007f62875f06c0(0000) GS:ffff888125c85000(0000) knlGS:0000000000000000
[  141.354400][ T5992] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  141.360974][ T5992] CR2: 00007ff690947000 CR3: 0000000033252000 CR4: 00000000003526f0
[  141.368938][ T5992] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  141.376894][ T5992] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  141.384855][ T5992] Call Trace:
[  141.388127][ T5992]  <TASK>
[  141.391050][ T5992]  hfs_get_block+0x51b/0xbd0
[  141.395658][ T5992]  ? __pfx_hfs_get_block+0x10/0x10
[  141.400778][ T5992]  ? _raw_spin_unlock+0x28/0x50
[  141.405669][ T5992]  block_read_full_folio+0x29c/0x830
[  141.410972][ T5992]  ? __pfx_hfs_get_block+0x10/0x10
[  141.416088][ T5992]  filemap_read_folio+0x117/0x380
[  141.421112][ T5992]  ? __pfx_hfs_read_folio+0x10/0x10
[  141.426307][ T5992]  ? __pfx_filemap_read_folio+0x10/0x10
[  141.431844][ T5992]  ? filemap_add_folio+0x1af/0x270
[  141.436945][ T5992]  do_read_cache_folio+0x350/0x590
[  141.442048][ T5992]  ? __pfx_hfs_read_folio+0x10/0x10
[  141.447235][ T5992]  read_cache_page+0x5d/0x170
[  141.451908][ T5992]  hfs_btree_open+0x55f/0x14f0
[  141.456668][ T5992]  ? hfs_mdb_get+0x1293/0x2080
[  141.461423][ T5992]  hfs_mdb_get+0x1327/0x2080
[  141.466007][ T5992]  ? __pfx_hfs_mdb_get+0x10/0x10
[  141.470933][ T5992]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  141.476817][ T5992]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  141.483138][ T5992]  hfs_fill_super+0x37b/0x640
[  141.487817][ T5992]  ? __pfx_hfs_fill_super+0x10/0x10
[  141.493010][ T5992]  ? sb_set_blocksize+0x104/0x180
[  141.498027][ T5992]  ? setup_bdev_super+0x4c1/0x5b0
[  141.503042][ T5992]  get_tree_bdev_flags+0x40e/0x4d0
[  141.508146][ T5992]  ? __pfx_hfs_fill_super+0x10/0x10
[  141.513335][ T5992]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  141.518957][ T5992]  ? cap_capable+0x11f/0x460
[  141.523541][ T5992]  ? safesetid_security_capable+0xa9/0x1a0
[  141.529398][ T5992]  vfs_get_tree+0x8f/0x2b0
[  141.533811][ T5992]  do_new_mount+0x24a/0xa40
[  141.538325][ T5992]  __se_sys_mount+0x317/0x410
[  141.543024][ T5992]  ? __pfx___se_sys_mount+0x10/0x10
[  141.548230][ T5992]  ? rcu_is_watching+0x15/0xb0
[  141.552991][ T5992]  ? __x64_sys_mount+0x20/0xc0
[  141.557751][ T5992]  do_syscall_64+0xfa/0x3b0
[  141.562247][ T5992]  ? lockdep_hardirqs_on+0x9c/0x150
[  141.567437][ T5992]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  141.573491][ T5992]  ? clear_bhb_loop+0x60/0xb0
[  141.578158][ T5992]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  141.584037][ T5992] RIP: 0033:0x7f628763ceea
[  141.588453][ T5992] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  141.608047][ T5992] RSP: 002b:00007f62875f0088 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5
[  141.616458][ T5992] RAX: ffffffffffffffda RBX: 00007f62875f00a0 RCX: 00007f628763ceea
[  141.624419][ T5992] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007f62875f00a0
[  141.632377][ T5992] RBP: 0000200000000100 R08: 00007f62875f00e0 R09: 0000000000000333
[  141.640335][ T5992] R10: 0000000000000012 R11: 0000000000000286 R12: 0000200000000000
[  141.648303][ T5992] R13: 00007f62875f00e0 R14: 0000000000000003 R15: 0000000000000012
[  141.656276][ T5992]  </TASK>
[  141.659290][ T5992] Modules linked in:
[  141.663641][ T5992] ---[ end trace 0000000000000000 ]---
[  141.669587][ T5992] RIP: 0010:hfs_find_init+0x6a/0x1e0
[  141.674939][ T5992] Code: 7e 18 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 b8 b4 8a ff 49 c7 07 00 00 00 00 48 8d 6b 40 49 89 ef 49 c1 ef 03 <43> 0f b6 04 2f 84 c0 0f 85 0c 01 00 00 8b 45 00 8d 3c 45 04 00 00
[  141.694617][ T5992] RSP: 0018:ffffc9000448f588 EFLAGS: 00010202
[  141.701294][ T5992] RAX: 1ffff92000891ecf RBX: 0000000000000000 RCX: ffff8880790bda00
[  141.709297][ T5992] RDX: 0000000000000000 RSI: ffffc9000448f660 RDI: ffffc9000448f670
[  141.717313][ T5992] RBP: 0000000000000040 R08: ffffc9000448f697 R09: 0000000000000000
[  141.725288][ T5992] R10: ffffc9000448f660 R11: fffff52000891ed3 R12: ffff88807c10c640
[  141.733304][ T5992] R13: dffffc0000000000 R14: ffffc9000448f660 R15: 0000000000000008
[  141.741321][ T5992] FS:  00007f62875f06c0(0000) GS:ffff888125c85000(0000) knlGS:0000000000000000
[  141.750280][ T5992] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  141.756866][ T5992] CR2: 00007ff690947000 CR3: 0000000033252000 CR4: 00000000003526f0
[  141.764866][ T5992] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  141.772877][ T5992] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  141.780904][ T5992] Kernel panic - not syncing: Fatal exception
[  141.787207][ T5992] Kernel Offset: disabled
[  141.791516][ T5992] Rebooting in 86400 seconds..