./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor510914267

<...>
Warning: Permanently added '10.128.0.3' (ED25519) to the list of known hosts.
execve("./syz-executor510914267", ["./syz-executor510914267"], 0x7ffce21bb4f0 /* 10 vars */) = 0
brk(NULL)                               = 0x555564e70000
brk(0x555564e70d00)                     = 0x555564e70d00
arch_prctl(ARCH_SET_FS, 0x555564e70380) = 0
set_tid_address(0x555564e70650)         = 5835
set_robust_list(0x555564e70660, 24)     = 0
rseq(0x555564e70ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor510914267", 4096) = 27
getrandom("\x23\x35\x9b\x83\x10\x6e\x7a\x33", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555564e70d00
brk(0x555564e91d00)                     = 0x555564e91d00
brk(0x555564e92000)                     = 0x555564e92000
mprotect(0x7f6493c1f000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555564e70650) = 5836
./strace-static-x86_64: Process 5836 attached
[pid  5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5836] set_robust_list(0x555564e70660, 24) = 0
./strace-static-x86_64: Process 5837 attached
[pid  5835] <... clone resumed>, child_tidptr=0x555564e70650) = 5837
[pid  5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5837] set_robust_list(0x555564e70660, 24) = 0
[pid  5836] mkdir("./syzkaller.atpl0W", 0700./strace-static-x86_64: Process 5838 attached
 <unfinished ...>
[pid  5837] mkdir("./syzkaller.RzlOVj", 0700 <unfinished ...>
[pid  5835] <... clone resumed>, child_tidptr=0x555564e70650) = 5838
[pid  5836] <... mkdir resumed>)        = 0
[pid  5836] chmod("./syzkaller.atpl0W", 0777 <unfinished ...>
[pid  5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5838] set_robust_list(0x555564e70660, 24 <unfinished ...>
[pid  5837] <... mkdir resumed>)        = 0
[pid  5836] <... chmod resumed>)        = 0
[pid  5838] <... set_robust_list resumed>) = 0
[pid  5836] chdir("./syzkaller.atpl0W"./strace-static-x86_64: Process 5839 attached
 <unfinished ...>
[pid  5837] chmod("./syzkaller.RzlOVj", 0777 <unfinished ...>
[pid  5838] mkdir("./syzkaller.vTNbRX", 0700 <unfinished ...>
[pid  5836] <... chdir resumed>)        = 0
[pid  5837] <... chmod resumed>)        = 0
[pid  5835] <... clone resumed>, child_tidptr=0x555564e70650) = 5839
[pid  5839] set_robust_list(0x555564e70660, 24 <unfinished ...>
[pid  5837] chdir("./syzkaller.RzlOVj" <unfinished ...>
[pid  5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5839] <... set_robust_list resumed>) = 0
[pid  5837] <... chdir resumed>)        = 0
[pid  5836] mkdir("./0", 0777 <unfinished ...>
[pid  5839] mkdir("./syzkaller.YtcWRl", 0700 <unfinished ...>
[pid  5838] <... mkdir resumed>)        = 0
[pid  5837] mkdir("./0", 0777 <unfinished ...>
[pid  5836] <... mkdir resumed>)        = 0
[pid  5838] chmod("./syzkaller.vTNbRX", 0777) = 0
[pid  5838] chdir("./syzkaller.vTNbRX") = 0
[pid  5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5840 attached
 <unfinished ...>
[pid  5838] mkdir("./0", 0777 <unfinished ...>
[pid  5840] set_robust_list(0x555564e70660, 24 <unfinished ...>
[pid  5837] <... mkdir resumed>)        = 0
[pid  5836] <... openat resumed>)       = 3
[pid  5840] <... set_robust_list resumed>) = 0
[pid  5839] <... mkdir resumed>)        = 0
[pid  5838] <... mkdir resumed>)        = 0
[pid  5836] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5835] <... clone resumed>, child_tidptr=0x555564e70650) = 5840
[pid  5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5840] mkdir("./syzkaller.muAlra", 0700 <unfinished ...>
[pid  5839] chmod("./syzkaller.YtcWRl", 0777) = 0
[pid  5837] <... openat resumed>)       = 3
[pid  5840] <... mkdir resumed>)        = 0
[pid  5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5837] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5836] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5837] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5838] <... openat resumed>)       = 3
[pid  5840] chmod("./syzkaller.muAlra", 0777 <unfinished ...>
[pid  5839] chdir("./syzkaller.YtcWRl" <unfinished ...>
[pid  5837] close(3 <unfinished ...>
[pid  5836] close(3 <unfinished ...>
[pid  5840] <... chmod resumed>)        = 0
[pid  5839] <... chdir resumed>)        = 0
[pid  5838] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5840] chdir("./syzkaller.muAlra" <unfinished ...>
[pid  5839] mkdir("./0", 0777 <unfinished ...>
[pid  5837] <... close resumed>)        = 0
[pid  5836] <... close resumed>)        = 0
[pid  5840] <... chdir resumed>)        = 0
[pid  5839] <... mkdir resumed>)        = 0
[pid  5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5841 attached
 <unfinished ...>
[pid  5840] mkdir("./0", 0777 <unfinished ...>
[pid  5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5838] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5839] <... openat resumed>)       = 3
[pid  5838] close(3 <unfinished ...>
[pid  5841] set_robust_list(0x555564e70660, 24 <unfinished ...>
[pid  5839] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5838] <... close resumed>)        = 0
[pid  5837] <... clone resumed>, child_tidptr=0x555564e70650) = 5841
./strace-static-x86_64: Process 5842 attached
[pid  5841] <... set_robust_list resumed>) = 0
[pid  5840] <... mkdir resumed>)        = 0
[pid  5839] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5843 attached
 <unfinished ...>
[pid  5842] set_robust_list(0x555564e70660, 24 <unfinished ...>
[pid  5841] chdir("./0" <unfinished ...>
[pid  5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5839] close(3 <unfinished ...>
[pid  5843] set_robust_list(0x555564e70660, 24 <unfinished ...>
[pid  5839] <... close resumed>)        = 0
[pid  5843] <... set_robust_list resumed>) = 0
[pid  5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5843] chdir("./0" <unfinished ...>
[pid  5842] <... set_robust_list resumed>) = 0
[pid  5843] <... chdir resumed>)        = 0
[pid  5842] chdir("./0" <unfinished ...>
[pid  5841] <... chdir resumed>)        = 0
[pid  5840] <... openat resumed>)       = 3
./strace-static-x86_64: Process 5844 attached
[pid  5843] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5842] <... chdir resumed>)        = 0
[pid  5841] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5839] <... clone resumed>, child_tidptr=0x555564e70650) = 5844
[pid  5838] <... clone resumed>, child_tidptr=0x555564e70650) = 5843
[pid  5836] <... clone resumed>, child_tidptr=0x555564e70650) = 5842
[pid  5844] set_robust_list(0x555564e70660, 24 <unfinished ...>
[pid  5843] <... prctl resumed>)        = 0
[pid  5842] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5841] <... prctl resumed>)        = 0
[pid  5840] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5844] <... set_robust_list resumed>) = 0
[pid  5843] setpgid(0, 0 <unfinished ...>
[pid  5842] <... prctl resumed>)        = 0
[pid  5841] setpgid(0, 0 <unfinished ...>
[pid  5840] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5844] chdir("./0" <unfinished ...>
[pid  5843] <... setpgid resumed>)      = 0
[pid  5842] setpgid(0, 0 <unfinished ...>
[pid  5841] <... setpgid resumed>)      = 0
[pid  5842] <... setpgid resumed>)      = 0
[pid  5840] close(3 <unfinished ...>
[pid  5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5840] <... close resumed>)        = 0
[pid  5844] <... chdir resumed>)        = 0
[pid  5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5844] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5843] <... openat resumed>)       = 3
[pid  5842] <... openat resumed>)       = 3
[pid  5841] <... openat resumed>)       = 3
./strace-static-x86_64: Process 5845 attached
[pid  5844] <... prctl resumed>)        = 0
[pid  5843] write(3, "1000", 4 <unfinished ...>
[pid  5841] write(3, "1000", 4 <unfinished ...>
[pid  5845] set_robust_list(0x555564e70660, 24 <unfinished ...>
[pid  5844] setpgid(0, 0 <unfinished ...>
[pid  5843] <... write resumed>)        = 4
[pid  5841] <... write resumed>)        = 4
[pid  5844] <... setpgid resumed>)      = 0
[pid  5845] <... set_robust_list resumed>) = 0
[pid  5843] close(3 <unfinished ...>
[pid  5841] close(3 <unfinished ...>
[pid  5843] <... close resumed>)        = 0
[pid  5841] <... close resumed>)        = 0
[pid  5843] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5842] write(3, "1000", 4 <unfinished ...>
[pid  5840] <... clone resumed>, child_tidptr=0x555564e70650) = 5845
[pid  5845] chdir("./0" <unfinished ...>
[pid  5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5843] <... symlink resumed>)      = 0
[pid  5842] <... write resumed>)        = 4
[pid  5841] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5842] close(3)                    = 0
[pid  5842] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5842] write(1, "executing program\n", 18) = 18
executing program
executing program
[pid  5845] <... chdir resumed>)        = 0
[pid  5844] <... openat resumed>)       = 3
[pid  5843] write(1, "executing program\n", 18 <unfinished ...>
[pid  5842] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5841] <... symlink resumed>)      = 0
[pid  5845] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5844] write(3, "1000", 4 <unfinished ...>
[pid  5843] <... write resumed>)        = 18
[pid  5845] <... prctl resumed>)        = 0
[pid  5844] <... write resumed>)        = 4
[pid  5841] write(1, "executing program\n", 18 <unfinished ...>
[pid  5843] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5844] close(3 <unfinished ...>
[pid  5845] setpgid(0, 0 <unfinished ...>
[pid  5841] <... write resumed>)        = 18
[pid  5845] <... setpgid resumed>)      = 0
[pid  5844] <... close resumed>)        = 0
[pid  5844] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5841] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5844] <... symlink resumed>)      = 0
executing program
[pid  5845] <... openat resumed>)       = 3
[pid  5844] write(1, "executing program\n", 18 <unfinished ...>
[pid  5843] <... memfd_create resumed>) = 3
[pid  5842] <... memfd_create resumed>) = 3
[pid  5841] <... memfd_create resumed>) = 3
[pid  5845] write(3, "1000", 4 <unfinished ...>
[pid  5844] <... write resumed>)        = 18
[pid  5843] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5845] <... write resumed>)        = 4
[pid  5842] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5844] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5845] close(3 <unfinished ...>
[pid  5843] <... mmap resumed>)         = 0x7f648b600000
[pid  5841] <... mmap resumed>)         = 0x7f648b600000
[pid  5845] <... close resumed>)        = 0
[pid  5842] <... mmap resumed>)         = 0x7f648b600000
[pid  5845] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5844] <... memfd_create resumed>) = 3
executing program
[pid  5845] write(1, "executing program\n", 18 <unfinished ...>
[pid  5844] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f648b600000
[pid  5845] <... write resumed>)        = 18
[pid  5845] memfd_create("syzkaller", 0) = 3
[pid  5845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f648b600000
[pid  5845] 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"..., 16777216 <unfinished ...>
[pid  5842] 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"..., 16777216 <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"..., 16777216 <unfinished ...>
[pid  5843] 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"..., 16777216 <unfinished ...>
[pid  5841] 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"..., 16777216 <unfinished ...>
[pid  5845] <... write resumed>)        = 16777216
[pid  5845] munmap(0x7f648b600000, 138412032 <unfinished ...>
[pid  5842] <... write resumed>)        = 16777216
[pid  5845] <... munmap resumed>)       = 0
[pid  5842] munmap(0x7f648b600000, 138412032 <unfinished ...>
[pid  5845] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid  5845] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5842] <... munmap resumed>)       = 0
[pid  5845] <... ioctl resumed>)        = 0
[pid  5844] <... write resumed>)        = 16777216
[pid  5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5841] <... write resumed>)        = 16777216
[pid  5845] close(3 <unfinished ...>
[pid  5844] munmap(0x7f648b600000, 138412032 <unfinished ...>
[pid  5842] <... openat resumed>)       = 4
[pid  5841] munmap(0x7f648b600000, 138412032 <unfinished ...>
[pid  5845] <... close resumed>)        = 0
[pid  5843] <... write resumed>)        = 16777216
[pid  5843] munmap(0x7f648b600000, 138412032 <unfinished ...>
[pid  5845] close(4 <unfinished ...>
[pid  5842] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5845] <... close resumed>)        = 0
[pid  5842] <... ioctl resumed>)        = 0
[pid  5845] mkdir("./file0", 0777)      = 0
[pid  5845] mount("/dev/loop4", "./file0", "jfs", MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "gid=0x0000000000000000,nointegrity,nodiscard,nodiscard,errors=continue,iocharset=iso8859-3,discard" <unfinished ...>
[pid  5844] <... munmap resumed>)       = 0
[pid  5843] <... munmap resumed>)       = 0
[pid  5845] <... mount resumed>)        = 0
[pid  5844] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5842] close(3 <unfinished ...>
[pid  5841] <... munmap resumed>)       = 0
[pid  5845] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5842] <... close resumed>)        = 0
[pid  5844] <... openat resumed>)       = 4
[pid  5843] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5842] close(4 <unfinished ...>
[pid  5845] <... openat resumed>)       = 3
[pid  5844] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5843] <... openat resumed>)       = 4
[pid  5842] <... close resumed>)        = 0
[pid  5841] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[   81.220898][ T5845] loop4: detected capacity change from 0 to 32768
[   81.257646][ T5842] loop0: detected capacity change from 0 to 32768
[pid  5842] mkdir("./file0", 0777)      = 0
[pid  5845] chdir("./file0" <unfinished ...>
[pid  5844] <... ioctl resumed>)        = 0
[pid  5843] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5841] <... openat resumed>)       = 4
[pid  5845] <... chdir resumed>)        = 0
[pid  5841] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5845] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5844] close(3 <unfinished ...>
[pid  5841] <... ioctl resumed>)        = 0
[pid  5845] exit_group(0 <unfinished ...>
[pid  5844] <... close resumed>)        = 0
[pid  5842] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "gid=0x0000000000000000,nointegrity,nodiscard,nodiscard,errors=continue,iocharset=iso8859-3,discard" <unfinished ...>
[pid  5841] close(3 <unfinished ...>
[pid  5845] <... exit_group resumed>)   = ?
[pid  5844] close(4 <unfinished ...>
[pid  5841] <... close resumed>)        = 0
[pid  5845] +++ exited with 0 +++
[pid  5844] <... close resumed>)        = 0
[pid  5841] close(4 <unfinished ...>
[pid  5844] mkdir("./file0", 0777 <unfinished ...>
[pid  5841] <... close resumed>)        = 0
[pid  5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5845, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=26 /* 0.26 s */} ---
[pid  5844] <... mkdir resumed>)        = 0
[pid  5841] mkdir("./file0", 0777 <unfinished ...>
[pid  5840] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5844] mount("/dev/loop3", "./file0", "jfs", MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "gid=0x0000000000000000,nointegrity,nodiscard,nodiscard,errors=continue,iocharset=iso8859-3,discard" <unfinished ...>
[pid  5840] <... restart_syscall resumed>) = 0
[pid  5840] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5840] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5841] <... mkdir resumed>)        = 0
[pid  5840] <... openat resumed>)       = 3
[pid  5841] mount("/dev/loop1", "./file0", "jfs", MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "gid=0x0000000000000000,nointegrity,nodiscard,nodiscard,errors=continue,iocharset=iso8859-3,discard" <unfinished ...>
[pid  5840] newfstatat(3, "",  <unfinished ...>
[pid  5843] <... ioctl resumed>)        = 0
[pid  5843] close(3)                    = 0
[pid  5843] close(4)                    = 0
[pid  5843] mkdir("./file0", 0777 <unfinished ...>
[pid  5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[   81.298375][ T5844] loop3: detected capacity change from 0 to 32768
[   81.309635][ T5841] loop1: detected capacity change from 0 to 32768
[   81.309702][ T5843] loop2: detected capacity change from 0 to 32768
[pid  5840] getdents64(3,  <unfinished ...>
[pid  5843] <... mkdir resumed>)        = 0
[pid  5840] <... getdents64 resumed>0x555564e716f0 /* 4 entries */, 32768) = 112
[pid  5840] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5843] mount("/dev/loop2", "./file0", "jfs", MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "gid=0x0000000000000000,nointegrity,nodiscard,nodiscard,errors=continue,iocharset=iso8859-3,discard" <unfinished ...>
[pid  5844] <... mount resumed>)        = 0
[pid  5844] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5841] <... mount resumed>)        = 0
[pid  5844] chdir("./file0")            = 0
[pid  5841] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5844] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5841] <... openat resumed>)       = 3
[pid  5844] exit_group(0 <unfinished ...>
[pid  5841] chdir("./file0" <unfinished ...>
[pid  5842] <... mount resumed>)        = 0
[pid  5841] <... chdir resumed>)        = 0
[pid  5842] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5841] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5842] <... openat resumed>)       = 3
[pid  5842] chdir("./file0")            = 0
[pid  5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5842] exit_group(0)               = ?
[pid  5844] <... exit_group resumed>)   = ?
[pid  5843] <... mount resumed>)        = 0
[pid  5842] +++ exited with 0 +++
[pid  5841] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5840] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5840] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5842, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=22 /* 0.22 s */} ---
[pid  5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5843] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5840] unlink("./0/binderfs" <unfinished ...>
[pid  5843] <... openat resumed>)       = 3
[pid  5844] +++ exited with 0 +++
[pid  5843] chdir("./file0" <unfinished ...>
[pid  5841] exit_group(0 <unfinished ...>
[pid  5840] <... unlink resumed>)       = 0
[pid  5836] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5841] <... exit_group resumed>)   = ?
[pid  5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5844, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=28 /* 0.28 s */} ---
[pid  5839] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5836] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5843] <... chdir resumed>)        = 0
[pid  5836] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5843] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5836] <... openat resumed>)       = 3
[pid  5843] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5836] newfstatat(3, "",  <unfinished ...>
[pid  5843] exit_group(0 <unfinished ...>
[pid  5841] +++ exited with 0 +++
[pid  5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5841, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=29 /* 0.29 s */} ---
[pid  5837] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5843] <... exit_group resumed>)   = ?
[pid  5836] getdents64(3,  <unfinished ...>
[pid  5839] <... restart_syscall resumed>) = 0
[pid  5836] <... getdents64 resumed>0x555564e716f0 /* 4 entries */, 32768) = 112
[pid  5837] <... restart_syscall resumed>) = 0
[pid  5839] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5836] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5839] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5837] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5839] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5837] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5839] <... openat resumed>)       = 3
[pid  5837] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5839] newfstatat(3, "",  <unfinished ...>
[pid  5837] <... openat resumed>)       = 3
[pid  5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5837] newfstatat(3, "",  <unfinished ...>
[pid  5836] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5843] +++ exited with 0 +++
[pid  5840] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5839] getdents64(3,  <unfinished ...>
[pid  5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5836] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5839] <... getdents64 resumed>0x555564e716f0 /* 4 entries */, 32768) = 112
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5843, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=28 /* 0.28 s */} ---
[pid  5837] getdents64(3,  <unfinished ...>
[pid  5839] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5837] <... getdents64 resumed>0x555564e716f0 /* 4 entries */, 32768) = 112
[pid  5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5839] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5837] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5839] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5837] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5837] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5836] unlink("./0/binderfs" <unfinished ...>
[pid  5839] unlink("./0/binderfs" <unfinished ...>
[pid  5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5839] <... unlink resumed>)       = 0
[pid  5837] unlink("./0/binderfs" <unfinished ...>
[pid  5836] <... unlink resumed>)       = 0
[pid  5837] <... unlink resumed>)       = 0
[pid  5837] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5836] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5839] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid  5836] <... umount2 resumed>)      = 0
[pid  5839] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5836] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5840] <... umount2 resumed>)      = 0
[pid  5839] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5838] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5836] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5839] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5836] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5840] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5838] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5840] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5839] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5838] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5836] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5840] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5839] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5838] <... openat resumed>)       = 3
[pid  5836] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5839] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5838] newfstatat(3, "",  <unfinished ...>
[pid  5836] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5840] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5839] <... openat resumed>)       = 4
[pid  5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5837] <... umount2 resumed>)      = 0
[pid  5836] <... openat resumed>)       = 4
[pid  5840] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5839] newfstatat(4, "",  <unfinished ...>
[pid  5840] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5838] getdents64(3,  <unfinished ...>
[pid  5840] <... openat resumed>)       = 4
[pid  5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5836] newfstatat(4, "",  <unfinished ...>
[pid  5840] newfstatat(4, "",  <unfinished ...>
[pid  5839] getdents64(4,  <unfinished ...>
[pid  5838] <... getdents64 resumed>0x555564e716f0 /* 4 entries */, 32768) = 112
[pid  5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5839] <... getdents64 resumed>0x555564e79730 /* 2 entries */, 32768) = 48
[pid  5838] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5837] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5836] getdents64(4,  <unfinished ...>
[pid  5840] getdents64(4,  <unfinished ...>
[pid  5839] getdents64(4,  <unfinished ...>
[pid  5838] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5837] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5836] <... getdents64 resumed>0x555564e79730 /* 2 entries */, 32768) = 48
[pid  5840] <... getdents64 resumed>0x555564e79730 /* 2 entries */, 32768) = 48
[pid  5839] <... getdents64 resumed>0x555564e79730 /* 0 entries */, 32768) = 0
[pid  5838] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5837] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5836] getdents64(4,  <unfinished ...>
[pid  5840] getdents64(4,  <unfinished ...>
[pid  5839] close(4 <unfinished ...>
[pid  5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5836] <... getdents64 resumed>0x555564e79730 /* 0 entries */, 32768) = 0
[pid  5840] <... getdents64 resumed>0x555564e79730 /* 0 entries */, 32768) = 0
[pid  5839] <... close resumed>)        = 0
[pid  5838] unlink("./0/binderfs" <unfinished ...>
[pid  5836] close(4 <unfinished ...>
[pid  5840] close(4 <unfinished ...>
[pid  5839] rmdir("./0/file0" <unfinished ...>
[pid  5837] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5840] <... close resumed>)        = 0
[pid  5838] <... unlink resumed>)       = 0
[pid  5836] <... close resumed>)        = 0
[pid  5840] rmdir("./0/file0" <unfinished ...>
[pid  5838] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5837] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5836] rmdir("./0/file0" <unfinished ...>
[pid  5837] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5836] <... rmdir resumed>)        = 0
[pid  5840] <... rmdir resumed>)        = 0
[pid  5837] <... openat resumed>)       = 4
[pid  5840] getdents64(3,  <unfinished ...>
[pid  5839] <... rmdir resumed>)        = 0
[pid  5837] newfstatat(4, "",  <unfinished ...>
[pid  5840] <... getdents64 resumed>0x555564e716f0 /* 0 entries */, 32768) = 0
[pid  5839] getdents64(3,  <unfinished ...>
[pid  5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5836] getdents64(3,  <unfinished ...>
[pid  5840] close(3 <unfinished ...>
[pid  5839] <... getdents64 resumed>0x555564e716f0 /* 0 entries */, 32768) = 0
[pid  5838] <... umount2 resumed>)      = 0
[pid  5837] getdents64(4,  <unfinished ...>
[pid  5840] <... close resumed>)        = 0
[pid  5838] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5840] rmdir("./0" <unfinished ...>
[pid  5837] <... getdents64 resumed>0x555564e79730 /* 2 entries */, 32768) = 48
[pid  5837] getdents64(4, 0x555564e79730 /* 0 entries */, 32768) = 0
[pid  5836] <... getdents64 resumed>0x555564e716f0 /* 0 entries */, 32768) = 0
[pid  5839] close(3 <unfinished ...>
[pid  5837] close(4 <unfinished ...>
[pid  5836] close(3 <unfinished ...>
[pid  5840] <... rmdir resumed>)        = 0
[pid  5838] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5840] mkdir("./1", 0777 <unfinished ...>
[pid  5838] newfstatat(AT_FDCWD, "./0/file0",  <unfinished ...>
[pid  5840] <... mkdir resumed>)        = 0
[pid  5839] <... close resumed>)        = 0
[pid  5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5837] <... close resumed>)        = 0
[pid  5836] <... close resumed>)        = 0
[pid  5840] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5838] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5839] rmdir("./0" <unfinished ...>
[pid  5838] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5837] rmdir("./0/file0" <unfinished ...>
[pid  5836] rmdir("./0" <unfinished ...>
[pid  5838] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5840] <... openat resumed>)       = 3
[pid  5839] <... rmdir resumed>)        = 0
[pid  5838] <... openat resumed>)       = 4
[pid  5837] <... rmdir resumed>)        = 0
[pid  5836] <... rmdir resumed>)        = 0
[pid  5840] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5838] newfstatat(4, "",  <unfinished ...>
[pid  5840] <... ioctl resumed>)        = 0
[pid  5839] mkdir("./1", 0777 <unfinished ...>
[pid  5840] close(3 <unfinished ...>
[pid  5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5837] getdents64(3,  <unfinished ...>
[pid  5836] mkdir("./1", 0777 <unfinished ...>
[pid  5837] <... getdents64 resumed>0x555564e716f0 /* 0 entries */, 32768) = 0
[pid  5838] getdents64(4,  <unfinished ...>
[pid  5836] <... mkdir resumed>)        = 0
[pid  5837] close(3 <unfinished ...>
[pid  5839] <... mkdir resumed>)        = 0
[pid  5837] <... close resumed>)        = 0
[pid  5837] rmdir("./0")                = 0
[pid  5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5839] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5837] mkdir("./1", 0777 <unfinished ...>
[pid  5836] <... openat resumed>)       = 3
[pid  5838] <... getdents64 resumed>0x555564e79730 /* 2 entries */, 32768) = 48
[pid  5839] <... openat resumed>)       = 3
[pid  5837] <... mkdir resumed>)        = 0
[pid  5836] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5839] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5836] <... ioctl resumed>)        = 0
[pid  5836] close(3 <unfinished ...>
[pid  5839] <... ioctl resumed>)        = 0
[pid  5838] getdents64(4,  <unfinished ...>
[pid  5839] close(3 <unfinished ...>
[pid  5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  5837] ioctl(3, LOOP_CLR_FD)       = 0
[pid  5837] close(3 <unfinished ...>
[pid  5838] <... getdents64 resumed>0x555564e79730 /* 0 entries */, 32768) = 0
[pid  5838] close(4)                    = 0
[pid  5838] rmdir("./0/file0")          = 0
[pid  5838] getdents64(3, 0x555564e716f0 /* 0 entries */, 32768) = 0
[pid  5838] close(3)                    = 0
[pid  5838] rmdir("./0")                = 0
[pid  5838] mkdir("./1", 0777)          = 0
[pid  5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  5838] ioctl(3, LOOP_CLR_FD)       = 0
[pid  5838] close(3 <unfinished ...>
[pid  5836] <... close resumed>)        = 0
[pid  5840] <... close resumed>)        = 0
[pid  5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555564e70650) = 5851
./strace-static-x86_64: Process 5851 attached
[pid  5851] set_robust_list(0x555564e70660, 24) = 0
[pid  5851] chdir("./1")                = 0
[pid  5851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5851] setpgid(0, 0)               = 0
[pid  5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5851] write(3, "1000", 4 <unfinished ...>
[pid  5839] <... close resumed>)        = 0
[pid  5851] <... write resumed>)        = 4
[pid  5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5851] close(3)                    = 0
./strace-static-x86_64: Process 5852 attached
[pid  5851] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5851] write(1, "executing program\n", 18) = 18
[pid  5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5851] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5839] <... clone resumed>, child_tidptr=0x555564e70650) = 5852
[pid  5852] set_robust_list(0x555564e70660, 24) = 0
[pid  5852] chdir("./1" <unfinished ...>
[pid  5851] <... memfd_create resumed>) = 3
[pid  5852] <... chdir resumed>)        = 0
[pid  5851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5852] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5851] <... mmap resumed>)         = 0x7f648b600000
./strace-static-x86_64: Process 5853 attached
[pid  5852] <... prctl resumed>)        = 0
[pid  5853] set_robust_list(0x555564e70660, 24 <unfinished ...>
[pid  5852] setpgid(0, 0 <unfinished ...>
[pid  5840] <... clone resumed>, child_tidptr=0x555564e70650) = 5853
[pid  5837] <... close resumed>)        = 0
[pid  5853] <... set_robust_list resumed>) = 0
[pid  5852] <... setpgid resumed>)      = 0
[pid  5853] chdir("./1" <unfinished ...>
[pid  5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5853] <... chdir resumed>)        = 0
[pid  5852] <... openat resumed>)       = 3
[pid  5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5852] write(3, "1000", 4 <unfinished ...>
[pid  5853] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5852] <... write resumed>)        = 4
[pid  5853] <... prctl resumed>)        = 0
[pid  5852] close(3 <unfinished ...>
[pid  5853] setpgid(0, 0 <unfinished ...>
[pid  5852] <... close resumed>)        = 0
[pid  5853] <... setpgid resumed>)      = 0
./strace-static-x86_64: Process 5854 attached
[pid  5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5852] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5852] <... symlink resumed>)      = 0
[pid  5837] <... clone resumed>, child_tidptr=0x555564e70650) = 5854
[pid  5854] set_robust_list(0x555564e70660, 24 <unfinished ...>
[pid  5852] write(1, "executing program\n", 18 <unfinished ...>
[pid  5853] write(3, "1000", 4executing program
 <unfinished ...>
[pid  5854] <... set_robust_list resumed>) = 0
[pid  5852] <... write resumed>)        = 18
[pid  5854] chdir("./1" <unfinished ...>
[pid  5853] <... write resumed>)        = 4
[pid  5852] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5854] <... chdir resumed>)        = 0
[pid  5853] <... close resumed>)        = 0
[pid  5852] <... memfd_create resumed>) = 3
[pid  5853] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5852] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f648b600000
[pid  5853] <... symlink resumed>)      = 0
[pid  5854] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5853] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5854] <... prctl resumed>)        = 0
[pid  5853] <... write resumed>)        = 18
[pid  5854] setpgid(0, 0 <unfinished ...>
[pid  5853] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5854] <... setpgid resumed>)      = 0
[pid  5853] <... memfd_create resumed>) = 3
executing program
[pid  5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5854] write(3, "1000", 4)         = 4
[pid  5854] close(3)                    = 0
[pid  5854] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5854] write(1, "executing program\n", 18) = 18
[pid  5854] memfd_create("syzkaller", 0) = 3
[pid  5853] <... mmap resumed>)         = 0x7f648b600000
[pid  5854] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f648b600000
[pid  5838] <... close resumed>)        = 0
[pid  5838] 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(0x555564e70660, 24 <unfinished ...>
[pid  5838] <... clone resumed>, child_tidptr=0x555564e70650) = 5855
[pid  5855] <... set_robust_list resumed>) = 0
[pid  5855] chdir("./1")                = 0
[pid  5855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5855] setpgid(0, 0executing program
)               = 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
[pid  5855] write(1, "executing program\n", 18) = 18
[pid  5855] memfd_create("syzkaller", 0) = 3
[pid  5855] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f648b600000
[pid  5851] 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"..., 16777216 <unfinished ...>
[pid  5852] 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"..., 16777216 <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"..., 16777216 <unfinished ...>
[pid  5854] 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"..., 16777216 <unfinished ...>
[pid  5855] 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"..., 16777216 <unfinished ...>
[pid  5851] <... write resumed>)        = 16777216
[pid  5851] munmap(0x7f648b600000, 138412032) = 0
[pid  5853] <... write resumed>)        = 16777216
[pid  5851] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5851] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5853] munmap(0x7f648b600000, 138412032 <unfinished ...>
[pid  5851] <... ioctl resumed>)        = 0
[pid  5851] close(3)                    = 0
[pid  5854] <... write resumed>)        = 16777216
[pid  5851] close(4)                    = 0
[pid  5851] mkdir("./file0", 0777)      = 0
[pid  5851] mount("/dev/loop0", "./file0", "jfs", MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "gid=0x0000000000000000,nointegrity,nodiscard,nodiscard,errors=continue,iocharset=iso8859-3,discard" <unfinished ...>
[pid  5854] munmap(0x7f648b600000, 138412032 <unfinished ...>
[pid  5853] <... munmap resumed>)       = 0
[pid  5853] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5852] <... write resumed>)        = 16777216
[   82.669246][ T5851] loop0: detected capacity change from 0 to 32768
[pid  5853] <... openat resumed>)       = 4
[pid  5851] <... mount resumed>)        = 0
[pid  5852] munmap(0x7f648b600000, 138412032 <unfinished ...>
[pid  5853] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5851] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5854] <... munmap resumed>)       = 0
[pid  5855] <... write resumed>)        = 16777216
[pid  5851] <... openat resumed>)       = 3
[pid  5854] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5855] munmap(0x7f648b600000, 138412032 <unfinished ...>
[pid  5854] <... openat resumed>)       = 4
[pid  5853] <... ioctl resumed>)        = 0
[pid  5851] chdir("./file0" <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5851] <... chdir resumed>)        = 0
[pid  5853] <... close resumed>)        = 0
[pid  5851] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5853] close(4 <unfinished ...>
[pid  5852] <... munmap resumed>)       = 0
[pid  5855] <... munmap resumed>)       = 0
[pid  5854] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5851] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5855] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5853] mkdir("./file0", 0777 <unfinished ...>
[pid  5852] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5851] exit_group(0 <unfinished ...>
[pid  5855] <... openat resumed>)       = 4
[pid  5853] <... mkdir resumed>)        = 0
[pid  5852] <... openat resumed>)       = 4
[   82.716312][ T5853] loop4: detected capacity change from 0 to 32768
[   82.754632][ T5854] loop1: detected capacity change from 0 to 32768
[pid  5855] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5853] mount("/dev/loop4", "./file0", "jfs", MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "gid=0x0000000000000000,nointegrity,nodiscard,nodiscard,errors=continue,iocharset=iso8859-3,discard" <unfinished ...>
[pid  5852] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5851] <... exit_group resumed>)   = ?
[pid  5854] <... ioctl resumed>)        = 0
[pid  5851] +++ exited with 0 +++
[pid  5854] close(3 <unfinished ...>
[pid  5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5851, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=27 /* 0.27 s */} ---
[pid  5854] <... close resumed>)        = 0
[pid  5854] close(4)                    = 0
[pid  5854] mkdir("./file0", 0777)      = 0
[pid  5855] <... ioctl resumed>)        = 0
[pid  5854] mount("/dev/loop1", "./file0", "jfs", MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "gid=0x0000000000000000,nointegrity,nodiscard,nodiscard,errors=continue,iocharset=iso8859-3,discard" <unfinished ...>
[pid  5852] <... ioctl resumed>)        = 0
[pid  5852] close(3 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5854] <... mount resumed>)        = 0
[pid  5852] <... close resumed>)        = 0
[pid  5836] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5852] close(4 <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5836] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] chdir("./file0")            = 0
[pid  5854] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5854] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5852] <... close resumed>)        = 0
[pid  5836] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] close(4 <unfinished ...>
[pid  5854] exit_group(0 <unfinished ...>
[pid  5852] mkdir("./file0", 0777 <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5854] <... exit_group resumed>)   = ?
[pid  5853] <... mount resumed>)        = 0
[pid  5836] <... openat resumed>)       = 3
[pid  5855] mkdir("./file0", 0777 <unfinished ...>
[pid  5854] +++ exited with 0 +++
[pid  5853] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5852] <... mkdir resumed>)        = 0
[pid  5836] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5853] <... openat resumed>)       = 3
[pid  5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5855] mount("/dev/loop2", "./file0", "jfs", MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "gid=0x0000000000000000,nointegrity,nodiscard,nodiscard,errors=continue,iocharset=iso8859-3,discard" <unfinished ...>
[pid  5853] chdir("./file0" <unfinished ...>
[pid  5852] mount("/dev/loop3", "./file0", "jfs", MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "gid=0x0000000000000000,nointegrity,nodiscard,nodiscard,errors=continue,iocharset=iso8859-3,discard" <unfinished ...>
[pid  5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5854, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=23 /* 0.23 s */} ---
[pid  5836] getdents64(3,  <unfinished ...>
[pid  5837] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... chdir resumed>)        = 0
[pid  5837] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[   82.780421][ T5852] loop3: detected capacity change from 0 to 32768
[   82.787347][ T5855] loop2: detected capacity change from 0 to 32768
[pid  5836] <... getdents64 resumed>0x555564e716f0 /* 4 entries */, 32768) = 112
[pid  5837] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5837] <... openat resumed>)       = 3
[pid  5836] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5837] newfstatat(3, "",  <unfinished ...>
[pid  5836] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5836] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5837] getdents64(3,  <unfinished ...>
[pid  5836] unlink("./1/binderfs" <unfinished ...>
[pid  5853] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5837] <... getdents64 resumed>0x555564e716f0 /* 4 entries */, 32768) = 112
[pid  5853] exit_group(0 <unfinished ...>
[pid  5837] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5836] <... unlink resumed>)       = 0
[pid  5853] <... exit_group resumed>)   = ?
[pid  5837] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5836] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... mount resumed>)        = 0
[pid  5855] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5855] chdir("./file0" <unfinished ...>
[pid  5853] +++ exited with 0 +++
[pid  5855] <... chdir resumed>)        = 0
[pid  5855] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5837] newfstatat(AT_FDCWD, "./1/binderfs",  <unfinished ...>
[pid  5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5853, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=20 /* 0.20 s */} ---
[pid  5840] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] exit_group(0 <unfinished ...>
[pid  5837] unlink("./1/binderfs" <unfinished ...>
[pid  5855] <... exit_group resumed>)   = ?
[pid  5852] <... mount resumed>)        = 0
[pid  5837] <... unlink resumed>)       = 0
[pid  5855] +++ exited with 0 +++
[pid  5852] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5837] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5852] <... openat resumed>)       = 3
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5855, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=22 /* 0.22 s */} ---
[pid  5852] chdir("./file0" <unfinished ...>
[pid  5840] <... restart_syscall resumed>) = 0
[pid  5852] <... chdir resumed>)        = 0
[pid  5838] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5852] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5838] <... restart_syscall resumed>) = 0
[pid  5838] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5838] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5838] getdents64(3, 0x555564e716f0 /* 4 entries */, 32768) = 112
[pid  5838] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5838] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5838] unlink("./1/binderfs")      = 0
[   82.866157][ T5837] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN PTI
[   82.878817][ T5837] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
[   82.887289][ T5837] CPU: 1 UID: 0 PID: 5837 Comm: syz-executor510 Not tainted 6.12.0-syzkaller-00971-g158f238aa69d #0
[   82.898128][ T5837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
[   82.908239][ T5837] RIP: 0010:lmLogSync+0x228/0xae0
[   82.913363][ T5837] Code: 9f fe 49 8d 5f f0 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 e6 ca ce fe 48 8b 1b 48 83 c3 30 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 c9 ca ce fe 48 8b 3b e8 a1 68 9f
[   82.933044][ T5837] RSP: 0018:ffffc90003cafa60 EFLAGS: 00010206
[   82.939130][ T5837] RAX: 0000000000000006 RBX: 0000000000000030 RCX: ffff888035a51e00
[   82.947111][ T5837] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   82.955086][ T5837] RBP: ffffc90003cafb68 R08: ffffffff81cc572e R09: 0000000000000000
[   82.963070][ T5837] R10: ffffc90003caf848 R11: fffff52000795f38 R12: ffff888026d2b800
[   82.971048][ T5837] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88802dcb1038
[   82.979029][ T5837] FS:  0000555564e70380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
[   82.987964][ T5837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   82.994591][ T5837] CR2: 00007f6493c23130 CR3: 000000003058e000 CR4: 00000000003526f0
[   83.002631][ T5837] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   83.010622][ T5837] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   83.018603][ T5837] Call Trace:
[   83.021890][ T5837]  <TASK>
[   83.024838][ T5837]  ? __die_body+0x5f/0xb0
[   83.029206][ T5837]  ? die_addr+0xb0/0xe0
[   83.033367][ T5837]  ? exc_general_protection+0x3dd/0x5d0
[   83.038948][ T5837]  ? asm_exc_general_protection+0x26/0x30
[   83.044682][ T5837]  ? filemap_flush+0x17e/0x260
[   83.049464][ T5837]  ? lmLogSync+0x228/0xae0
[   83.053892][ T5837]  ? jfs_syncpt+0x26/0xa0
[   83.058236][ T5837]  ? __pfx_lmLogSync+0x10/0x10
[   83.063029][ T5837]  ? __pfx_dquot_writeback_dquots+0x10/0x10
[   83.068943][ T5837]  jfs_syncpt+0x7d/0xa0
[   83.073120][ T5837]  jfs_sync_fs+0x8a/0xa0
[   83.077386][ T5837]  sync_filesystem+0xed/0x230
[   83.082071][ T5837]  generic_shutdown_super+0x72/0x2d0
[   83.087386][ T5837]  kill_block_super+0x44/0x90
[   83.092088][ T5837]  deactivate_locked_super+0xc4/0x130
[   83.097471][ T5837]  cleanup_mnt+0x41f/0x4b0
[   83.101898][ T5837]  ? lockdep_hardirqs_on+0x99/0x150
[   83.107126][ T5837]  task_work_run+0x24f/0x310
[   83.111745][ T5837]  ? __pfx_task_work_run+0x10/0x10
[   83.116864][ T5837]  ? path_umount+0x284/0xf70
[   83.121468][ T5837]  ptrace_notify+0x2d2/0x380
[   83.126068][ T5837]  ? __pfx_path_umount+0x10/0x10
[   83.131022][ T5837]  ? __pfx_ptrace_notify+0x10/0x10
[   83.136237][ T5837]  ? __x64_sys_umount+0x123/0x170
[   83.141365][ T5837]  ? __pfx___x64_sys_umount+0x10/0x10
[   83.146754][ T5837]  syscall_exit_work+0xc6/0x190
[   83.151617][ T5837]  syscall_exit_to_user_mode+0x279/0x370
[   83.157261][ T5837]  do_syscall_64+0x100/0x230
[   83.161882][ T5837]  ? clear_bhb_loop+0x35/0x90
[   83.166573][ T5837]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   83.172477][ T5837] RIP: 0033:0x7f6493ba64b7
[   83.176915][ T5837] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[   83.196630][ T5837] RSP: 002b:00007ffc6a0926f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   83.205061][ T5837] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f6493ba64b7
[pid  5838] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5852] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5840] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5852] exit_group(0 <unfinished ...>
[pid  5840] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[   83.213146][ T5837] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc6a0927b0
[   83.221123][ T5837] RBP: 00007ffc6a0927b0 R08: 0000000000000000 R09: 0000000000000000
[   83.229101][ T5837] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffc6a093810
[   83.237081][ T5837] R13: 0000555564e716c0 R14: 0000000000000002 R15: 431bde82d7b634db
[   83.245073][ T5837]  </TASK>
[   83.248095][ T5837] Modules linked in:
[   83.252411][ T5837] ---[ end trace 0000000000000000 ]---
[   83.259961][ T5837] RIP: 0010:lmLogSync+0x228/0xae0
[pid  5840] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5852] <... exit_group resumed>)   = ?
[pid  5852] +++ exited with 0 +++
[pid  5840] newfstatat(3, "",  <unfinished ...>
[pid  5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5852, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=28 /* 0.28 s */} ---
[pid  5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5840] getdents64(3, 0x555564e716f0 /* 4 entries */, 32768) = 112
[pid  5840] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5839] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5840] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5839] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5839] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5840] newfstatat(AT_FDCWD, "./1/binderfs",  <unfinished ...>
[pid  5839] <... openat resumed>)       = 3
[pid  5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5840] unlink("./1/binderfs" <unfinished ...>
[pid  5839] newfstatat(3, "",  <unfinished ...>
[pid  5840] <... unlink resumed>)       = 0
[pid  5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5840] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5839] getdents64(3, 0x555564e716f0 /* 4 entries */, 32768) = 112
[pid  5839] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[   83.265072][ T5837] Code: 9f fe 49 8d 5f f0 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 e6 ca ce fe 48 8b 1b 48 83 c3 30 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 c9 ca ce fe 48 8b 3b e8 a1 68 9f
[   83.285812][ T5837] RSP: 0018:ffffc90003cafa60 EFLAGS: 00010206
[   83.291963][ T5837] RAX: 0000000000000006 RBX: 0000000000000030 RCX: ffff888035a51e00
[   83.300337][ T5837] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   83.308725][ T5837] RBP: ffffc90003cafb68 R08: ffffffff81cc572e R09: 0000000000000000
[pid  5839] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5839] unlink("./1/binderfs")      = 0
[   83.316944][ T5837] R10: ffffc90003caf848 R11: fffff52000795f38 R12: ffff888026d2b800
[   83.325186][ T5837] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88802dcb1038
[   83.333500][ T5837] FS:  0000555564e70380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
[   83.342632][ T5837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   83.349315][ T5837] CR2: 00007f6493c23130 CR3: 000000003058e000 CR4: 00000000003526f0
[   83.357384][ T5837] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   83.365376][ T5837] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   83.373431][ T5837] Kernel panic - not syncing: Fatal exception
[   83.379874][ T5837] Kernel Offset: disabled
[   83.384205][ T5837] Rebooting in 86400 seconds..