./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4006323212

<...>
Warning: Permanently added '10.128.0.194' (ED25519) to the list of known hosts.
execve("./syz-executor4006323212", ["./syz-executor4006323212"], 0x7ffd60d0d760 /* 10 vars */) = 0
brk(NULL)                               = 0x555582792000
brk(0x555582792d40)                     = 0x555582792d40
arch_prctl(ARCH_SET_FS, 0x5555827923c0) = 0
set_tid_address(0x555582792690)         = 5839
set_robust_list(0x5555827926a0, 24)     = 0
rseq(0x555582792ce0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor4006323212", 4096) = 28
getrandom("\x32\xe3\x83\xd6\x6d\x92\xa8\x45", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555582792d40
brk(0x5555827b3d40)                     = 0x5555827b3d40
brk(0x5555827b4000)                     = 0x5555827b4000
mprotect(0x7f409187b000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5840 attached
 <unfinished ...>
[pid  5840] set_robust_list(0x5555827926a0, 24 <unfinished ...>
[pid  5839] <... clone resumed>, child_tidptr=0x555582792690) = 5840
[pid  5840] <... set_robust_list resumed>) = 0
[pid  5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5840] mkdir("./syzkaller.pIftos", 0700) = 0
./strace-static-x86_64: Process 5841 attached
[pid  5841] set_robust_list(0x5555827926a0, 24 <unfinished ...>
[pid  5840] chmod("./syzkaller.pIftos", 0777 <unfinished ...>
[pid  5839] <... clone resumed>, child_tidptr=0x555582792690) = 5841
[pid  5841] <... set_robust_list resumed>) = 0
[pid  5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5840] <... chmod resumed>)        = 0
[pid  5840] chdir("./syzkaller.pIftos") = 0
[pid  5840] mkdir("./0", 0777 <unfinished ...>
[pid  5841] mkdir("./syzkaller.Fw3hqc", 0700 <unfinished ...>
[pid  5840] <... mkdir resumed>)        = 0
./strace-static-x86_64: Process 5842 attached
[pid  5839] <... clone resumed>, child_tidptr=0x555582792690) = 5842
[pid  5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5840] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5843 attached
 <unfinished ...>
[pid  5842] set_robust_list(0x5555827926a0, 24 <unfinished ...>
[pid  5841] <... mkdir resumed>)        = 0
[pid  5839] <... clone resumed>, child_tidptr=0x555582792690) = 5843
[pid  5843] set_robust_list(0x5555827926a0, 24 <unfinished ...>
[pid  5842] <... set_robust_list resumed>) = 0
[pid  5841] chmod("./syzkaller.Fw3hqc", 0777 <unfinished ...>
[pid  5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5843] <... set_robust_list resumed>) = 0
[pid  5842] mkdir("./syzkaller.eESyeo", 0700 <unfinished ...>
[pid  5841] <... chmod resumed>)        = 0
[pid  5840] <... openat resumed>)       = 3
[pid  5840] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5843] mkdir("./syzkaller.s2G7rI", 0700./strace-static-x86_64: Process 5844 attached
 <unfinished ...>
[pid  5842] <... mkdir resumed>)        = 0
[pid  5841] chdir("./syzkaller.Fw3hqc" <unfinished ...>
[pid  5840] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5844] set_robust_list(0x5555827926a0, 24 <unfinished ...>
[pid  5839] <... clone resumed>, child_tidptr=0x555582792690) = 5844
[pid  5842] chmod("./syzkaller.eESyeo", 0777 <unfinished ...>
[pid  5841] <... chdir resumed>)        = 0
[pid  5840] close(3 <unfinished ...>
[pid  5843] <... mkdir resumed>)        = 0
[pid  5841] mkdir("./0", 0777 <unfinished ...>
[pid  5844] <... set_robust_list resumed>) = 0
[pid  5840] <... close resumed>)        = 0
[pid  5843] chmod("./syzkaller.s2G7rI", 0777) = 0
[pid  5843] chdir("./syzkaller.s2G7rI") = 0
[pid  5843] mkdir("./0", 0777)          = 0
[pid  5844] mkdir("./syzkaller.fAfjhp", 0700 <unfinished ...>
[pid  5842] <... chmod resumed>)        = 0
[pid  5841] <... mkdir resumed>)        = 0
[pid  5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5841] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5843] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 5846 attached
 <unfinished ...>
[pid  5844] <... mkdir resumed>)        = 0
[pid  5842] chdir("./syzkaller.eESyeo" <unfinished ...>
[pid  5841] <... openat resumed>)       = 3
[pid  5843] <... openat resumed>)       = 3
[pid  5842] <... chdir resumed>)        = 0
[pid  5846] set_robust_list(0x5555827926a0, 24 <unfinished ...>
[pid  5844] chmod("./syzkaller.fAfjhp", 0777 <unfinished ...>
[pid  5846] <... set_robust_list resumed>) = 0
[pid  5843] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5841] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5840] <... clone resumed>, child_tidptr=0x555582792690) = 5846
[pid  5842] mkdir("./0", 0777 <unfinished ...>
[pid  5843] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5844] <... chmod resumed>)        = 0
[pid  5841] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5844] chdir("./syzkaller.fAfjhp") = 0
[pid  5846] chdir("./0" <unfinished ...>
[pid  5844] mkdir("./0", 0777 <unfinished ...>
[pid  5843] close(3 <unfinished ...>
[pid  5842] <... mkdir resumed>)        = 0
[pid  5841] close(3 <unfinished ...>
[pid  5846] <... chdir resumed>)        = 0
[pid  5843] <... close resumed>)        = 0
[pid  5841] <... close resumed>)        = 0
[pid  5846] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5844] <... mkdir resumed>)        = 0
[pid  5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5842] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5846] <... prctl resumed>)        = 0
[pid  5842] <... openat resumed>)       = 3
[pid  5844] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 5848 attached
./strace-static-x86_64: Process 5847 attached
 <unfinished ...>
[pid  5846] setpgid(0, 0 <unfinished ...>
[pid  5848] set_robust_list(0x5555827926a0, 24 <unfinished ...>
[pid  5844] <... openat resumed>)       = 3
[pid  5842] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5848] <... set_robust_list resumed>) = 0
[pid  5846] <... setpgid resumed>)      = 0
[pid  5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5842] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5843] <... clone resumed>, child_tidptr=0x555582792690) = 5847
[pid  5848] chdir("./0")                = 0
[pid  5846] <... openat resumed>)       = 3
[pid  5842] close(3 <unfinished ...>
[pid  5848] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5844] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5842] <... close resumed>)        = 0
[pid  5848] <... prctl resumed>)        = 0
[pid  5847] set_robust_list(0x5555827926a0, 24 <unfinished ...>
[pid  5846] write(3, "1000", 4 <unfinished ...>
[pid  5841] <... clone resumed>, child_tidptr=0x555582792690) = 5848
[pid  5847] <... set_robust_list resumed>) = 0
[pid  5846] <... write resumed>)        = 4
[pid  5848] setpgid(0, 0 <unfinished ...>
[pid  5847] chdir("./0" <unfinished ...>
[pid  5846] close(3 <unfinished ...>
[pid  5844] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5848] <... setpgid resumed>)      = 0
[pid  5847] <... chdir resumed>)        = 0
[pid  5846] <... close resumed>)        = 0
[pid  5844] close(3 <unfinished ...>
[pid  5848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5847] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5846] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5844] <... close resumed>)        = 0
[pid  5847] <... prctl resumed>)        = 0
[pid  5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5849 attached
 <unfinished ...>
[pid  5848] <... openat resumed>)       = 3
[pid  5847] setpgid(0, 0 <unfinished ...>
[pid  5846] <... symlink resumed>)      = 0
[pid  5842] <... clone resumed>, child_tidptr=0x555582792690) = 5849
[pid  5849] set_robust_list(0x5555827926a0, 24 <unfinished ...>
[pid  5847] <... setpgid resumed>)      = 0
[pid  5849] <... set_robust_list resumed>) = 0
[pid  5848] write(3, "1000", 4 <unfinished ...>
[pid  5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
 <unfinished ...>
[pid  5846] write(1, "executing program\n", 18 <unfinished ...>
[pid  5849] chdir("./0" <unfinished ...>
[pid  5848] <... write resumed>)        = 4
./strace-static-x86_64: Process 5850 attached
[pid  5849] <... chdir resumed>)        = 0
[pid  5848] close(3 <unfinished ...>
[pid  5847] <... openat resumed>)       = 3
[pid  5846] <... write resumed>)        = 18
[pid  5850] set_robust_list(0x5555827926a0, 24 <unfinished ...>
[pid  5849] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5847] write(3, "1000", 4 <unfinished ...>
[pid  5846] futex(0x7f40918816ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5850] <... set_robust_list resumed>) = 0
[pid  5849] <... prctl resumed>)        = 0
[pid  5848] <... close resumed>)        = 0
[pid  5847] <... write resumed>)        = 4
[pid  5846] <... futex resumed>)        = 0
[pid  5844] <... clone resumed>, child_tidptr=0x555582792690) = 5850
[pid  5849] setpgid(0, 0 <unfinished ...>
[pid  5848] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5847] close(3 <unfinished ...>
[pid  5849] <... setpgid resumed>)      = 0
[pid  5847] <... close resumed>)        = 0
[pid  5846] rt_sigaction(SIGRT_1, {sa_handler=0x7f409181a160, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f409180b310},  <unfinished ...>
[pid  5850] chdir("./0" <unfinished ...>
[pid  5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5847] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5846] <... rt_sigaction resumed>NULL, 8) = 0
[pid  5850] <... chdir resumed>)        = 0
[pid  5849] <... openat resumed>)       = 3
[pid  5848] <... symlink resumed>)      = 0
[pid  5846] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1],  <unfinished ...>
[pid  5850] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5847] <... symlink resumed>)      = 0
[pid  5846] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5850] <... prctl resumed>)        = 0
executing program
[pid  5849] write(3, "1000", 4 <unfinished ...>
[pid  5848] write(1, "executing program\n", 18 <unfinished ...>
[pid  5846] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program
 <unfinished ...>
[pid  5850] setpgid(0, 0 <unfinished ...>
[pid  5849] <... write resumed>)        = 4
[pid  5848] <... write resumed>)        = 18
[pid  5847] write(1, "executing program\n", 18 <unfinished ...>
[pid  5850] <... setpgid resumed>)      = 0
[pid  5849] close(3 <unfinished ...>
[pid  5848] futex(0x7f40918816ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5847] <... write resumed>)        = 18
[pid  5846] <... mmap resumed>)         = 0x7f4091788000
[pid  5850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5849] <... close resumed>)        = 0
[pid  5848] <... futex resumed>)        = 0
[pid  5847] futex(0x7f40918816ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5846] mprotect(0x7f4091789000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5850] <... openat resumed>)       = 3
[pid  5849] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5848] rt_sigaction(SIGRT_1, {sa_handler=0x7f409181a160, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f409180b310},  <unfinished ...>
[pid  5847] <... futex resumed>)        = 0
[pid  5846] <... mprotect resumed>)     = 0
[pid  5848] <... rt_sigaction resumed>NULL, 8) = 0
[pid  5847] rt_sigaction(SIGRT_1, {sa_handler=0x7f409181a160, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f409180b310},  <unfinished ...>
[pid  5846] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5850] write(3, "1000", 4 <unfinished ...>
[pid  5849] <... symlink resumed>)      = 0
[pid  5848] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1],  <unfinished ...>
[pid  5847] <... rt_sigaction resumed>NULL, 8) = 0
[pid  5849] write(1, "executing program\n", 18 <unfinished ...>
[pid  5848] <... rt_sigprocmask resumed>NULL, 8) = 0
executing program
[pid  5850] <... write resumed>)        = 4
[pid  5849] <... write resumed>)        = 18
[pid  5848] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5847] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1],  <unfinished ...>
[pid  5846] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5850] close(3 <unfinished ...>
[pid  5849] futex(0x7f40918816ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5848] <... mmap resumed>)         = 0x7f4091788000
[pid  5847] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5850] <... close resumed>)        = 0
[pid  5849] <... futex resumed>)        = 0
[pid  5848] mprotect(0x7f4091789000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <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=0x7f40917a8990, parent_tid=0x7f40917a8990, exit_signal=0, stack=0x7f4091788000, stack_size=0x20300, tls=0x7f40917a86c0} <unfinished ...>
[pid  5850] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5849] rt_sigaction(SIGRT_1, {sa_handler=0x7f409181a160, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f409180b310},  <unfinished ...>
[pid  5848] <... mprotect resumed>)     = 0
[pid  5849] <... rt_sigaction resumed>NULL, 8) = 0
./strace-static-x86_64: Process 5851 attached
[pid  5850] <... symlink resumed>)      = 0
[pid  5848] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5847] <... mmap resumed>)         = 0x7f4091788000
executing program
[pid  5851] rseq(0x7f40917a8fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5850] write(1, "executing program\n", 18 <unfinished ...>
[pid  5849] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1],  <unfinished ...>
[pid  5848] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5847] mprotect(0x7f4091789000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5851] <... rseq resumed>)         = 0
[pid  5850] <... write resumed>)        = 18
[pid  5849] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5848] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f40917a8990, parent_tid=0x7f40917a8990, exit_signal=0, stack=0x7f4091788000, stack_size=0x20300, tls=0x7f40917a86c0} <unfinished ...>
[pid  5847] <... mprotect resumed>)     = 0
[pid  5846] <... clone3 resumed> => {parent_tid=[5851]}, 88) = 5851
./strace-static-x86_64: Process 5852 attached
[pid  5851] set_robust_list(0x7f40917a89a0, 24 <unfinished ...>
[pid  5850] futex(0x7f40918816ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5847] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5846] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5852] rseq(0x7f40917a8fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5851] <... set_robust_list resumed>) = 0
[pid  5850] <... futex resumed>)        = 0
[pid  5849] <... mmap resumed>)         = 0x7f4091788000
[pid  5851] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5848] <... clone3 resumed> => {parent_tid=[5852]}, 88) = 5852
[pid  5849] mprotect(0x7f4091789000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5852] <... rseq resumed>)         = 0
[pid  5851] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5850] rt_sigaction(SIGRT_1, {sa_handler=0x7f409181a160, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f409180b310},  <unfinished ...>
[pid  5847] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5846] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5852] set_robust_list(0x7f40917a89a0, 24 <unfinished ...>
[pid  5851] futex(0x7f40918816a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5850] <... rt_sigaction resumed>NULL, 8) = 0
[pid  5849] <... mprotect resumed>)     = 0
[pid  5848] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5847] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f40917a8990, parent_tid=0x7f40917a8990, exit_signal=0, stack=0x7f4091788000, stack_size=0x20300, tls=0x7f40917a86c0} <unfinished ...>
[pid  5846] futex(0x7f40918816a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5853 attached
 <unfinished ...>
[pid  5852] <... set_robust_list resumed>) = 0
[pid  5851] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5850] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1],  <unfinished ...>
[pid  5849] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5848] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5853] rseq(0x7f40917a8fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5852] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5851] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5850] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5846] <... futex resumed>)        = 0
[pid  5852] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5849] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5848] futex(0x7f40918816a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5853] <... rseq resumed>)         = 0
[pid  5850] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5847] <... clone3 resumed> => {parent_tid=[5853]}, 88) = 5853
[pid  5846] futex(0x7f40918816ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5853] set_robust_list(0x7f40917a89a0, 24 <unfinished ...>
[pid  5850] <... mmap resumed>)         = 0x7f4091788000
[pid  5848] <... futex resumed>)        = 0
[pid  5847] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5852] memfd_create("syzkaller", 0 <unfinished ...>
[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=0x7f40917a8990, parent_tid=0x7f40917a8990, exit_signal=0, stack=0x7f4091788000, stack_size=0x20300, tls=0x7f40917a86c0} <unfinished ...>
[pid  5851] <... memfd_create resumed>) = 3
[pid  5853] <... set_robust_list resumed>) = 0
[pid  5850] mprotect(0x7f4091789000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5848] futex(0x7f40918816ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5847] <... rt_sigprocmask resumed>NULL, 8) = 0
./strace-static-x86_64: Process 5854 attached
[pid  5853] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5850] <... mprotect resumed>)     = 0
[pid  5847] futex(0x7f40918816a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5854] rseq(0x7f40917a8fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5853] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5852] <... memfd_create resumed>) = 3
[pid  5851] <... mmap resumed>)         = 0x7f4089388000
[pid  5850] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5847] <... futex resumed>)        = 0
[pid  5854] <... rseq resumed>)         = 0
[pid  5853] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5849] <... clone3 resumed> => {parent_tid=[5854]}, 88) = 5854
[pid  5854] set_robust_list(0x7f40917a89a0, 24 <unfinished ...>
[pid  5853] <... memfd_create resumed>) = 3
[pid  5852] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5850] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5849] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5847] futex(0x7f40918816ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5854] <... set_robust_list resumed>) = 0
[pid  5853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5850] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f40917a8990, parent_tid=0x7f40917a8990, exit_signal=0, stack=0x7f4091788000, stack_size=0x20300, tls=0x7f40917a86c0} <unfinished ...>
[pid  5849] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5854] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5853] <... mmap resumed>)         = 0x7f4089388000
[pid  5852] <... mmap resumed>)         = 0x7f4089388000
[pid  5854] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5849] futex(0x7f40918816a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5855 attached
 <unfinished ...>
[pid  5854] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5849] <... futex resumed>)        = 0
[pid  5855] rseq(0x7f40917a8fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5854] <... memfd_create resumed>) = 3
[pid  5850] <... clone3 resumed> => {parent_tid=[5855]}, 88) = 5855
[pid  5855] <... rseq resumed>)         = 0
[pid  5854] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5850] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5855] set_robust_list(0x7f40917a89a0, 24 <unfinished ...>
[pid  5854] <... mmap resumed>)         = 0x7f4089388000
[pid  5850] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5855] <... set_robust_list resumed>) = 0
[pid  5850] futex(0x7f40918816a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5849] futex(0x7f40918816ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5855] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5850] <... futex resumed>)        = 0
[pid  5855] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5850] futex(0x7f40918816ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5855] memfd_create("syzkaller", 0) = 3
[pid  5855] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4089388000
[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  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  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  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  5855] <... write resumed>)        = 16777216
[pid  5855] munmap(0x7f4089388000, 138412032) = 0
[pid  5852] <... write resumed>)        = 16777216
[pid  5855] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5852] munmap(0x7f4089388000, 138412032 <unfinished ...>
[pid  5851] <... write resumed>)        = 16777216
[pid  5855] <... openat resumed>)       = 4
[pid  5854] <... write resumed>)        = 16777216
[pid  5852] <... munmap resumed>)       = 0
[pid  5855] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5854] munmap(0x7f4089388000, 138412032 <unfinished ...>
[pid  5853] <... write resumed>)        = 16777216
[pid  5852] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5851] munmap(0x7f4089388000, 138412032 <unfinished ...>
[pid  5855] <... ioctl resumed>)        = 0
[pid  5855] close(3 <unfinished ...>
[pid  5852] <... openat resumed>)       = 4
[pid  5855] <... close resumed>)        = 0
[pid  5855] close(4 <unfinished ...>
[pid  5852] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5852] <... ioctl resumed>)        = 0
[pid  5855] mkdir("./file1", 0777)      = 0
[pid  5853] munmap(0x7f4089388000, 138412032 <unfinished ...>
[pid  5852] close(3 <unfinished ...>
[pid  5855] mount("/dev/loop4", "./file1", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL|MS_STRICTATIME, "iocharset=koi8-u,discard=0x0000000000000004,iocharset=iso8859-9,errors=continue,discard=0x0000000000"... <unfinished ...>
[pid  5854] <... munmap resumed>)       = 0
[pid  5853] <... munmap resumed>)       = 0
[pid  5852] <... close resumed>)        = 0
[pid  5851] <... munmap resumed>)       = 0
[pid  5852] close(4)                    = 0
[pid  5853] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5852] mkdir("./file1", 0777 <unfinished ...>
[pid  5851] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5855] <... mount resumed>)        = 0
[pid  5854] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5853] <... openat resumed>)       = 4
[pid  5852] <... mkdir resumed>)        = 0
[pid  5851] <... openat resumed>)       = 4
[pid  5855] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5854] <... openat resumed>)       = 4
[pid  5853] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5852] mount("/dev/loop1", "./file1", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL|MS_STRICTATIME, "iocharset=koi8-u,discard=0x0000000000000004,iocharset=iso8859-9,errors=continue,discard=0x0000000000"... <unfinished ...>
[pid  5851] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[   75.490864][ T5855] loop4: detected capacity change from 0 to 32768
[   75.494762][ T5852] loop1: detected capacity change from 0 to 32768
[pid  5851] <... ioctl resumed>)        = 0
[pid  5855] chdir("./file1" <unfinished ...>
[pid  5854] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5853] <... ioctl resumed>)        = 0
[pid  5855] <... chdir resumed>)        = 0
[pid  5854] <... ioctl resumed>)        = 0
[pid  5853] close(3 <unfinished ...>
[pid  5851] close(3 <unfinished ...>
[pid  5855] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5851] <... close resumed>)        = 0
[pid  5855] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5853] close(4 <unfinished ...>
[pid  5855] futex(0x7f40918816ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5851] close(4 <unfinished ...>
[pid  5855] <... futex resumed>)        = 1
[pid  5853] mkdir("./file1", 0777 <unfinished ...>
[pid  5851] <... close resumed>)        = 0
[pid  5850] <... futex resumed>)        = 0
[pid  5855] futex(0x7f40918816a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5851] mkdir("./file1", 0777 <unfinished ...>
[pid  5850] exit_group(0 <unfinished ...>
[pid  5855] <... futex resumed>)        = ?
[pid  5854] <... close resumed>)        = 0
[pid  5853] mount("/dev/loop3", "./file1", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL|MS_STRICTATIME, "iocharset=koi8-u,discard=0x0000000000000004,iocharset=iso8859-9,errors=continue,discard=0x0000000000"... <unfinished ...>
[pid  5851] <... mkdir resumed>)        = 0
[pid  5850] <... exit_group resumed>)   = ?
[pid  5855] +++ exited with 0 +++
[pid  5854] close(4 <unfinished ...>
[pid  5852] <... mount resumed>)        = 0
[pid  5851] mount("/dev/loop0", "./file1", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL|MS_STRICTATIME, "iocharset=koi8-u,discard=0x0000000000000004,iocharset=iso8859-9,errors=continue,discard=0x0000000000"... <unfinished ...>
[pid  5850] +++ exited with 0 +++
[pid  5854] <... close resumed>)        = 0
[pid  5852] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5850, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=17 /* 0.17 s */} ---
[pid  5854] mkdir("./file1", 0777 <unfinished ...>
[pid  5844] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5844] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] <... mount resumed>)        = 0
[pid  5852] <... openat resumed>)       = 3
[pid  5853] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5852] chdir("./file1" <unfinished ...>
[pid  5844] <... openat resumed>)       = 3
[pid  5854] mount("/dev/loop2", "./file1", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL|MS_STRICTATIME, "iocharset=koi8-u,discard=0x0000000000000004,iocharset=iso8859-9,errors=continue,discard=0x0000000000"... <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5852] <... chdir resumed>)        = 0
[pid  5844] newfstatat(3, "",  <unfinished ...>
[pid  5853] chdir("./file1" <unfinished ...>
[pid  5852] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5851] <... mount resumed>)        = 0
[pid  5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5844] getdents64(3, 0x555582793730 /* 4 entries */, 32768) = 112
[pid  5853] <... chdir resumed>)        = 0
[pid  5852] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5851] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5844] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5852] futex(0x7f40918816ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5851] <... openat resumed>)       = 3
[pid  5852] <... futex resumed>)        = 1
[pid  5851] chdir("./file1" <unfinished ...>
[pid  5852] futex(0x7f40918816a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5851] <... chdir resumed>)        = 0
[pid  5851] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5853] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5851] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5853] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5851] futex(0x7f40918816ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5853] futex(0x7f40918816ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5851] <... futex resumed>)        = 1
[pid  5848] <... futex resumed>)        = 0
[pid  5853] <... futex resumed>)        = 1
[pid  5851] futex(0x7f40918816a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5848] exit_group(0 <unfinished ...>
[pid  5853] futex(0x7f40918816a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5852] <... futex resumed>)        = ?
[pid  5848] <... exit_group resumed>)   = ?
[pid  5852] +++ exited with 0 +++
[pid  5848] +++ exited with 0 +++
[pid  5846] <... futex resumed>)        = 0
[   75.556497][ T5851] loop0: detected capacity change from 0 to 32768
[   75.558418][ T5853] loop3: detected capacity change from 0 to 32768
[   75.565529][ T5854] loop2: detected capacity change from 0 to 32768
[pid  5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5848, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=16 /* 0.16 s */} ---
[pid  5846] exit_group(0 <unfinished ...>
[pid  5841] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5851] <... futex resumed>)        = ?
[pid  5846] <... exit_group resumed>)   = ?
[pid  5841] <... restart_syscall resumed>) = 0
[pid  5851] +++ exited with 0 +++
[pid  5846] +++ exited with 0 +++
[pid  5854] <... mount resumed>)        = 0
[pid  5847] <... futex resumed>)        = 0
[pid  5841] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5847] exit_group(0 <unfinished ...>
[pid  5841] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5846, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=19 /* 0.19 s */} ---
[pid  5854] <... openat resumed>)       = 3
[pid  5853] <... futex resumed>)        = ?
[pid  5847] <... exit_group resumed>)   = ?
[pid  5841] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5840] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] chdir("./file1" <unfinished ...>
[pid  5853] +++ exited with 0 +++
[pid  5841] <... openat resumed>)       = 3
[pid  5854] <... chdir resumed>)        = 0
[pid  5847] +++ exited with 0 +++
[pid  5840] <... restart_syscall resumed>) = 0
[pid  5854] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5841] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5847, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=22 /* 0.22 s */} ---
[pid  5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5854] futex(0x7f40918816ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5844] <... umount2 resumed>)      = 0
[pid  5843] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5841] getdents64(3,  <unfinished ...>
[pid  5840] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... futex resumed>)        = 1
[pid  5849] <... futex resumed>)        = 0
[pid  5843] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5841] <... getdents64 resumed>0x555582793730 /* 4 entries */, 32768) = 112
[pid  5840] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5849] exit_group(0 <unfinished ...>
[pid  5843] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5841] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5840] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5849] <... exit_group resumed>)   = ?
[pid  5843] <... openat resumed>)       = 3
[pid  5843] newfstatat(3, "",  <unfinished ...>
[pid  5840] <... openat resumed>)       = 3
[pid  5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5854] +++ exited with 0 +++
[pid  5849] +++ exited with 0 +++
[pid  5840] newfstatat(3, "",  <unfinished ...>
[pid  5843] getdents64(3,  <unfinished ...>
[pid  5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5849, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=17 /* 0.17 s */} ---
[pid  5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5843] <... getdents64 resumed>0x555582793730 /* 4 entries */, 32768) = 112
[pid  5840] getdents64(3,  <unfinished ...>
[pid  5843] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5840] <... getdents64 resumed>0x555582793730 /* 4 entries */, 32768) = 112
[pid  5844] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5842] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5840] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5844] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5842] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5844] newfstatat(AT_FDCWD, "./0/file1",  <unfinished ...>
[pid  5842] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5842] <... openat resumed>)       = 3
[pid  5844] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5842] newfstatat(3, "",  <unfinished ...>
[pid  5844] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5844] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5842] getdents64(3,  <unfinished ...>
[pid  5844] <... openat resumed>)       = 4
[pid  5842] <... getdents64 resumed>0x555582793730 /* 4 entries */, 32768) = 112
[pid  5844] newfstatat(4, "",  <unfinished ...>
[pid  5842] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid  5844] getdents64(4, 0x55558279b770 /* 2 entries */, 32768) = 48
[pid  5844] getdents64(4, 0x55558279b770 /* 0 entries */, 32768) = 0
[pid  5844] close(4)                    = 0
[pid  5844] rmdir("./0/file1")          = 0
[pid  5844] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5844] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5844] unlink("./0/binderfs" <unfinished ...>
[pid  5843] <... umount2 resumed>)      = 0
[pid  5844] <... unlink resumed>)       = 0
[pid  5843] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5841] <... umount2 resumed>)      = 0
[pid  5843] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5843] newfstatat(AT_FDCWD, "./0/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5843] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5843] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5844] getdents64(3,  <unfinished ...>
[pid  5843] <... openat resumed>)       = 4
[pid  5844] <... getdents64 resumed>0x555582793730 /* 0 entries */, 32768) = 0
[pid  5843] newfstatat(4, "",  <unfinished ...>
[pid  5844] close(3)                    = 0
[pid  5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[   75.740636][ T5842] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] SMP KASAN PTI
[   75.740665][ T5842] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
[   75.740695][ T5842] CPU: 1 UID: 0 PID: 5842 Comm: syz-executor400 Tainted: G        W           6.17.0-rc2-syzkaller #0 PREEMPT_{RT,(full)} 
[   75.740726][ T5842] Tainted: [W]=WARN
[   75.740733][ T5842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   75.740746][ T5842] RIP: 0010:lmLogSync+0x1f1/0x9d0
[   75.740784][ T5842] Code: 80 87 fe 4d 8d 7e d8 4c 89 f8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ff e8 1d b3 e6 fe 4d 8b 3f 49 83 c7 30 4c 89 f8 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 ff e8 01 b3 e6 fe 49 8b 3f e8 19 fa bd fe
[   75.740801][ T5842] RSP: 0018:ffffc900048dfa80 EFLAGS: 00010206
[   75.740822][ T5842] RAX: 0000000000000006 RBX: dffffc0000000000 RCX: ffff888027450000
[   75.740837][ T5842] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   75.740850][ T5842] RBP: ffffc900048dfb88 R08: 0000000000000000 R09: 0000000000000000
[   75.740863][ T5842] R10: ffffc900048df868 R11: fffff5200091bf3a R12: 0000000000000000
[   75.740878][ T5842] R13: ffff888028ebb000 R14: ffff88802cba3c38 R15: 0000000000000030
[   75.740893][ T5842] FS:  00005555827923c0(0000) GS:ffff8881269c5000(0000) knlGS:0000000000000000
[   75.740911][ T5842] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   75.740926][ T5842] CR2: 00007fee977fa000 CR3: 0000000042612000 CR4: 00000000003526f0
[   75.740944][ T5842] Call Trace:
[   75.740952][ T5842]  <TASK>
[   75.740962][ T5842]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[   75.740991][ T5842]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[   75.741027][ T5842]  ? __pfx_lmLogSync+0x10/0x10
[   75.741062][ T5842]  ? jfs_syncpt+0x25/0x90
[   75.741093][ T5842]  jfs_syncpt+0x7b/0x90
[   75.741124][ T5842]  jfs_sync_fs+0x87/0xa0
[   75.741149][ T5842]  sync_filesystem+0xea/0x250
[   75.741181][ T5842]  generic_shutdown_super+0x6f/0x2c0
[   75.741207][ T5842]  kill_block_super+0x44/0x90
[   75.741233][ T5842]  deactivate_locked_super+0xbc/0x130
[   75.741257][ T5842]  cleanup_mnt+0x425/0x4c0
[   75.741281][ T5842]  task_work_run+0x1d1/0x260
[   75.741304][ T5842]  ? __pfx_task_work_run+0x10/0x10
[   75.741327][ T5842]  ? path_umount+0x1ea/0xb70
[   75.741353][ T5842]  ptrace_notify+0x281/0x2c0
[   75.741379][ T5842]  ? __pfx_ptrace_notify+0x10/0x10
[   75.741406][ T5842]  ? __x64_sys_umount+0x122/0x160
[   75.741431][ T5842]  ? __pfx___x64_sys_umount+0x10/0x10
[   75.741461][ T5842]  syscall_exit_work+0xc6/0x1d0
[   75.741492][ T5842]  do_syscall_64+0x2ad/0x3b0
[   75.741520][ T5842]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   75.741541][ T5842]  ? clear_bhb_loop+0x60/0xb0
[   75.741564][ T5842]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   75.741585][ T5842] RIP: 0033:0x7f40917f4fa7
[   75.741609][ T5842] Code: 08 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 b0 ff ff ff f7 d8 64 89 02 b8
[   75.741626][ T5842] RSP: 002b:00007ffdcc097348 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   75.741647][ T5842] RAX: 0000000000000000 RBX: 00000000000122d6 RCX: 00007f40917f4fa7
[   75.741661][ T5842] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdcc097400
[   75.741675][ T5842] RBP: 00007ffdcc097400 R08: 0000000000000000 R09: 0000000000000000
[   75.741688][ T5842] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffdcc0984b0
[   75.741702][ T5842] R13: 0000555582793700 R14: 431bde82d7b634db R15: 00007ffdcc098454
[   75.741726][ T5842]  </TASK>
[   75.741733][ T5842] Modules linked in:
[   75.741753][ T5842] ---[ end trace 0000000000000000 ]---
[   75.741767][ T5842] RIP: 0010:lmLogSync+0x1f1/0x9d0
[   75.741799][ T5842] Code: 80 87 fe 4d 8d 7e d8 4c 89 f8 48 c1 e8 03 80 3c 18 00 74 08 4c 89 ff e8 1d b3 e6 fe 4d 8b 3f 49 83 c7 30 4c 89 f8 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 ff e8 01 b3 e6 fe 49 8b 3f e8 19 fa bd fe
[   75.741817][ T5842] RSP: 0018:ffffc900048dfa80 EFLAGS: 00010206
[   75.741834][ T5842] RAX: 0000000000000006 RBX: dffffc0000000000 RCX: ffff888027450000
[   75.741849][ T5842] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   75.741862][ T5842] RBP: ffffc900048dfb88 R08: 0000000000000000 R09: 0000000000000000
[   75.741875][ T5842] R10: ffffc900048df868 R11: fffff5200091bf3a R12: 0000000000000000
[   75.741890][ T5842] R13: ffff888028ebb000 R14: ffff88802cba3c38 R15: 0000000000000030
[   75.741905][ T5842] FS:  00005555827923c0(0000) GS:ffff8881269c5000(0000) knlGS:0000000000000000
[   75.741924][ T5842] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   75.741939][ T5842] CR2: 00007fee977fa000 CR3: 0000000042612000 CR4: 00000000003526f0
[   75.741958][ T5842] Kernel panic - not syncing: Fatal exception
[   75.742245][ T5842] Kernel Offset: disabled