./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1978555727

<...>

syzkaller
syzkaller login: [    9.766976][    T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!!
[   14.783400][   T23] kauditd_printk_skb: 60 callbacks suppressed
[   14.783406][   T23] audit: type=1400 audit(1675728962.239:71): avc:  denied  { transition } for  pid=310 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   14.788426][   T23] audit: type=1400 audit(1675728962.249:72): avc:  denied  { write } for  pid=310 comm="sh" path="pipe:[11330]" dev="pipefs" ino=11330 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1
[   15.736873][    T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!!
[   15.745734][    T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!!
[   16.026824][    T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #c0!!!
Warning: Permanently added '10.128.1.101' (ECDSA) to the list of known hosts.
execve("./syz-executor1978555727", ["./syz-executor1978555727"], 0x7ffd68618500 /* 10 vars */) = 0
brk(NULL)                               = 0x555557435000
brk(0x555557435c40)                     = 0x555557435c40
arch_prctl(ARCH_SET_FS, 0x555557435300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
set_tid_address(0x5555574355d0)         = 371
set_robust_list(0x5555574355e0, 24)     = 0
rt_sigaction(SIGRTMIN, {sa_handler=0x7ff0af3997b0, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7ff0af399e80}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7ff0af399850, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff0af399e80}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1978555727", 4096) = 28
brk(0x555557456c40)                     = 0x555557456c40
brk(0x555557457000)                     = 0x555557457000
mprotect(0x7ff0af460000, 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=0x5555574355d0) = 372
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 372 attached
 <unfinished ...>
[pid   372] set_robust_list(0x5555574355e0, 24./strace-static-x86_64: Process 373 attached
 <unfinished ...>
[pid   371] <... clone resumed>, child_tidptr=0x5555574355d0) = 373
[pid   372] <... set_robust_list resumed>) = 0
[pid   373] set_robust_list(0x5555574355e0, 24) = 0
[pid   373] getpid()                    = 373
[pid   372] getpid( <unfinished ...>
[pid   371] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   372] <... getpid resumed>)       = 372
[pid   373] mkdir("./syzkaller.DqUY3n", 0700 <unfinished ...>
[pid   372] mkdir("./syzkaller.aqlxYl", 0700 <unfinished ...>
[pid   371] <... clone resumed>, child_tidptr=0x5555574355d0) = 374
[pid   373] <... mkdir resumed>)        = 0
[pid   373] chmod("./syzkaller.DqUY3n", 0777) = 0
[pid   373] chdir("./syzkaller.DqUY3n") = 0
[pid   373] mkdir("./0", 0777 <unfinished ...>
[pid   372] <... mkdir resumed>)        = 0
[pid   371] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   373] <... mkdir resumed>)        = 0
./strace-static-x86_64: Process 375 attached
./strace-static-x86_64: Process 374 attached
[pid   372] chmod("./syzkaller.aqlxYl", 0777 <unfinished ...>
[pid   371] <... clone resumed>, child_tidptr=0x5555574355d0) = 375
[pid   371] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574355d0) = 376
[pid   371] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   372] <... chmod resumed>)        = 0
[pid   372] chdir("./syzkaller.aqlxYl" <unfinished ...>
[pid   375] set_robust_list(0x5555574355e0, 24 <unfinished ...>
[pid   371] <... clone resumed>, child_tidptr=0x5555574355d0) = 377
[   23.718835][   T23] audit: type=1400 audit(1675728971.179:73): avc:  denied  { execmem } for  pid=371 comm="syz-executor197" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[pid   373] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid   372] <... chdir resumed>)        = 0
[pid   374] set_robust_list(0x5555574355e0, 24) = 0
[pid   374] getpid()                    = 374
[pid   373] <... openat resumed>)       = 3
[pid   374] mkdir("./syzkaller.Hvijpt", 0700) = 0
[pid   373] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   373] close(3)                    = 0
[pid   373] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   374] chmod("./syzkaller.Hvijpt", 0777) = 0
[pid   374] chdir("./syzkaller.Hvijpt") = 0
[pid   374] mkdir("./0", 0777)          = 0
[pid   373] <... clone resumed>, child_tidptr=0x5555574355d0) = 378
[pid   374] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid   374] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   374] close(3)                    = 0
[pid   374] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574355d0) = 379
./strace-static-x86_64: Process 378 attached
[pid   378] set_robust_list(0x5555574355e0, 24) = 0
[pid   378] chdir("./0")                = 0
[pid   378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   378] setpgid(0, 0)               = 0
[pid   378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   378] write(3, "1000", 4)         = 4
[pid   378] close(3)                    = 0
[pid   378] symlink("/dev/binderfs", "./binderfs") = 0
./strace-static-x86_64: Process 379 attached
[pid   379] set_robust_list(0x5555574355e0, 24) = 0
[pid   379] chdir("./0")                = 0
[pid   378] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   379] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   378] <... mmap resumed>)         = 0x7ff0af368000
[pid   379] <... prctl resumed>)        = 0
[pid   379] setpgid(0, 0 <unfinished ...>
[pid   378] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   379] <... setpgid resumed>)      = 0
[pid   379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   378] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid   379] <... openat resumed>)       = 3
[pid   379] write(3, "1000", 4)         = 4
[pid   379] close(3 <unfinished ...>
[pid   378] <... clone resumed>, parent_tid=[380], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 380
[pid   379] <... close resumed>)        = 0
[pid   378] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   379] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   378] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   379] <... symlink resumed>)      = 0
[pid   379] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0af368000
[pid   379] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   379] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[381], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 381
[pid   379] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   379] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 380 attached
 <unfinished ...>
[pid   380] set_robust_list(0x7ff0af3889e0, 24) = 0
[pid   380] memfd_create("syzkaller", 0) = 3
[pid   380] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff0a6f68000
[pid   372] mkdir("./0", 0777)          = 0
[pid   375] <... set_robust_list resumed>) = 0
[pid   372] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid   372] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   372] close(3)                    = 0
[pid   375] getpid()                    = 375
[pid   372] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574355d0) = 384
[pid   375] mkdir("./syzkaller.JMVLmy", 0700) = 0
[pid   375] chmod("./syzkaller.JMVLmy", 0777) = 0
[pid   375] chdir("./syzkaller.JMVLmy") = 0
[pid   375] mkdir("./0", 0777)          = 0
[pid   375] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid   375] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   375] close(3)                    = 0
[pid   375] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 384 attached
 <unfinished ...>
[pid   384] set_robust_list(0x5555574355e0, 24) = 0
./strace-static-x86_64: Process 377 attached
[pid   375] <... clone resumed>, child_tidptr=0x5555574355d0) = 385
[pid   384] chdir("./0" <unfinished ...>
[pid   377] set_robust_list(0x5555574355e0, 24 <unfinished ...>
[pid   384] <... chdir resumed>)        = 0
[pid   384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   384] setpgid(0, 0)               = 0
[pid   384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   377] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 376 attached
[pid   377] getpid()                    = 377
[pid   377] mkdir("./syzkaller.EslEeI", 0700 <unfinished ...>
[pid   376] set_robust_list(0x5555574355e0, 24 <unfinished ...>
[pid   384] <... openat resumed>)       = 3
[pid   384] write(3, "1000", 4)         = 4
[pid   384] close(3)                    = 0
[pid   384] symlink("/dev/binderfs", "./binderfs") = 0
[pid   377] <... mkdir resumed>)        = 0
[pid   377] chmod("./syzkaller.EslEeI", 0777 <unfinished ...>
[pid   376] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 385 attached
./strace-static-x86_64: Process 381 attached
[pid   377] <... chmod resumed>)        = 0
[pid   376] getpid( <unfinished ...>
[pid   384] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   377] chdir("./syzkaller.EslEeI" <unfinished ...>
[pid   376] <... getpid resumed>)       = 376
[pid   384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0af368000
[pid   377] <... chdir resumed>)        = 0
[pid   376] mkdir("./syzkaller.PGGhjB", 0700 <unfinished ...>
[pid   384] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   377] mkdir("./0", 0777 <unfinished ...>
[pid   384] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid   376] <... mkdir resumed>)        = 0
[pid   384] <... clone resumed>, parent_tid=[386], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 386
[pid   384] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   384] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   377] <... mkdir resumed>)        = 0
[pid   376] chmod("./syzkaller.PGGhjB", 0777 <unfinished ...>
[pid   381] set_robust_list(0x7ff0af3889e0, 24 <unfinished ...>
[pid   377] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid   385] set_robust_list(0x5555574355e0, 24 <unfinished ...>
[pid   376] <... chmod resumed>)        = 0
[pid   377] <... openat resumed>)       = 3
[pid   381] <... set_robust_list resumed>) = 0
[pid   377] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   376] chdir("./syzkaller.PGGhjB" <unfinished ...>
[pid   385] <... set_robust_list resumed>) = 0
[pid   377] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   376] <... chdir resumed>)        = 0
[pid   385] chdir("./0" <unfinished ...>
[pid   381] memfd_create("syzkaller", 0 <unfinished ...>
[pid   377] close(3 <unfinished ...>
[pid   376] mkdir("./0", 0777 <unfinished ...>
[pid   377] <... close resumed>)        = 0
[pid   385] <... chdir resumed>)        = 0
[pid   381] <... memfd_create resumed>) = 3
[pid   377] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   376] <... mkdir resumed>)        = 0
[pid   385] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   381] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   376] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid   385] <... prctl resumed>)        = 0
[pid   381] <... mmap resumed>)         = 0x7ff0a6f68000
[pid   377] <... clone resumed>, child_tidptr=0x5555574355d0) = 387
[pid   376] <... openat resumed>)       = 3
[pid   385] setpgid(0, 0 <unfinished ...>
[pid   376] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   376] close(3 <unfinished ...>
[pid   385] <... setpgid resumed>)      = 0
[pid   376] <... close resumed>)        = 0
./strace-static-x86_64: Process 386 attached
[pid   385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   376] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   386] set_robust_list(0x7ff0af3889e0, 24) = 0
[pid   386] memfd_create("syzkaller", 0) = 3
[pid   385] <... openat resumed>)       = 3
[pid   386] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   385] write(3, "1000", 4 <unfinished ...>
[pid   386] <... mmap resumed>)         = 0x7ff0a6f68000
[pid   385] <... write resumed>)        = 4
[pid   376] <... clone resumed>, child_tidptr=0x5555574355d0) = 388
[pid   385] close(3)                    = 0
[pid   385] symlink("/dev/binderfs", "./binderfs") = 0
[pid   385] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0af368000
[pid   385] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   385] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[389], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 389
[pid   385] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
./strace-static-x86_64: Process 388 attached
./strace-static-x86_64: Process 387 attached
./strace-static-x86_64: Process 389 attached
[pid   385] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   388] set_robust_list(0x5555574355e0, 24) = 0
[pid   388] chdir("./0" <unfinished ...>
[pid   387] set_robust_list(0x5555574355e0, 24 <unfinished ...>
[pid   388] <... chdir resumed>)        = 0
[pid   388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   388] setpgid(0, 0)               = 0
[pid   388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   388] write(3, "1000", 4)         = 4
[pid   388] close(3)                    = 0
[pid   388] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   389] set_robust_list(0x7ff0af3889e0, 24 <unfinished ...>
[pid   387] <... set_robust_list resumed>) = 0
[pid   389] <... set_robust_list resumed>) = 0
[pid   388] <... symlink resumed>)      = 0
[pid   387] chdir("./0" <unfinished ...>
[pid   388] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0af368000
[pid   388] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   388] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid   387] <... chdir resumed>)        = 0
[pid   389] memfd_create("syzkaller", 0 <unfinished ...>
[pid   388] <... clone resumed>, parent_tid=[390], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 390
[pid   388] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   389] <... memfd_create resumed>) = 3
[pid   388] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[   23.753218][   T23] audit: type=1400 audit(1675728971.209:74): avc:  denied  { read write } for  pid=373 comm="syz-executor197" name="loop1" dev="devtmpfs" ino=116 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[pid   387] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   389] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   387] <... prctl resumed>)        = 0
[pid   387] setpgid(0, 0)               = 0
[pid   389] <... mmap resumed>)         = 0x7ff0a6f68000
[pid   387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
./strace-static-x86_64: Process 390 attached
[pid   387] write(3, "1000", 4)         = 4
[pid   390] set_robust_list(0x7ff0af3889e0, 24 <unfinished ...>
[pid   387] close(3 <unfinished ...>
[pid   390] <... set_robust_list resumed>) = 0
[pid   390] memfd_create("syzkaller", 0 <unfinished ...>
[pid   387] <... close resumed>)        = 0
[pid   387] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   390] <... memfd_create resumed>) = 3
[pid   390] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff0a6f68000
[pid   387] <... symlink resumed>)      = 0
[pid   387] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0af368000
[pid   387] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   387] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[391], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 391
[pid   387] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   387] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 391 attached
 <unfinished ...>
[pid   391] set_robust_list(0x7ff0af3889e0, 24) = 0
[pid   391] memfd_create("syzkaller", 0) = 3
[pid   391] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff0a6f68000
[   23.860175][   T23] audit: type=1400 audit(1675728971.209:75): avc:  denied  { open } for  pid=373 comm="syz-executor197" path="/dev/loop1" dev="devtmpfs" ino=116 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[   23.981371][   T23] audit: type=1400 audit(1675728971.209:76): avc:  denied  { ioctl } for  pid=373 comm="syz-executor197" path="/dev/loop1" dev="devtmpfs" ino=116 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[pid   380] 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"..., 20699119 <unfinished ...>
[pid   389] 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"..., 20699119 <unfinished ...>
[pid   381] 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"..., 20699119 <unfinished ...>
[pid   391] 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"..., 20699119 <unfinished ...>
[pid   386] 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"..., 20699119 <unfinished ...>
[pid   390] 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"..., 20699119 <unfinished ...>
[pid   380] <... write resumed>)        = 20699119
[pid   380] munmap(0x7ff0a6f68000, 20699119) = 0
[pid   380] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[pid   380] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   389] <... write resumed>)        = 20699119
[pid   389] munmap(0x7ff0a6f68000, 20699119 <unfinished ...>
[pid   380] <... ioctl resumed>)        = 0
[pid   380] close(3)                    = 0
[pid   380] mkdir("./file0", 0777)      = 0
[pid   380] mount("/dev/loop1", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   381] <... write resumed>)        = 20699119
[pid   381] munmap(0x7ff0a6f68000, 20699119) = 0
[pid   381] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[pid   381] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   389] <... munmap resumed>)       = 0
[pid   389] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid   381] <... ioctl resumed>)        = 0
[pid   381] close(3)                    = 0
[pid   381] mkdir("./file0", 0777)      = 0
[pid   381] mount("/dev/loop2", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   389] <... openat resumed>)       = 4
[pid   389] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   389] close(3)                    = 0
[pid   389] mkdir("./file0", 0777)      = 0
[pid   389] mount("/dev/loop3", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   391] <... write resumed>)        = 20699119
[   24.397390][   T23] audit: type=1400 audit(1675728971.859:77): avc:  denied  { mounton } for  pid=378 comm="syz-executor197" path="/root/syzkaller.DqUY3n/0/file0" dev="sda1" ino=1156 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[pid   391] munmap(0x7ff0a6f68000, 20699119) = 0
[pid   391] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4
[pid   391] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   391] close(3)                    = 0
[pid   391] mkdir("./file0", 0777)      = 0
[pid   391] mount("/dev/loop5", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   386] <... write resumed>)        = 20699119
[pid   386] munmap(0x7ff0a6f68000, 20699119) = 0
[pid   386] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[   24.449413][  T389] F2FS-fs (loop3): Found nat_bits in checkpoint
[   24.456316][  T380] F2FS-fs (loop1): Found nat_bits in checkpoint
[pid   386] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   389] <... mount resumed>)        = 0
[pid   389] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   386] close(3)                    = 0
[pid   386] mkdir("./file0", 0777)      = 0
[pid   386] mount("/dev/loop0", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   389] <... openat resumed>)       = 3
[pid   389] chdir("./file0")            = 0
[pid   389] ioctl(4, LOOP_CLR_FD)       = 0
[pid   390] <... write resumed>)        = 20699119
[pid   389] close(4)                    = 0
[pid   390] munmap(0x7ff0a6f68000, 20699119 <unfinished ...>
[pid   389] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   385] <... futex resumed>)        = 0
[pid   389] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   385] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   390] <... munmap resumed>)       = 0
[pid   389] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   385] <... futex resumed>)        = 0
[pid   390] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid   389] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid   385] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   390] <... openat resumed>)       = 4
[pid   389] <... open resumed>)         = 4
[pid   390] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   389] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   385] <... futex resumed>)        = 0
[pid   389] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   385] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   389] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   385] <... futex resumed>)        = 0
[pid   390] <... ioctl resumed>)        = 0
[pid   389] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[pid   385] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   390] close(3)                    = 0
[pid   390] mkdir("./file0", 0777)      = 0
[   24.490668][  T381] F2FS-fs (loop2): Found nat_bits in checkpoint
[   24.496919][  T389] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5
[   24.497390][   T23] audit: type=1400 audit(1675728971.959:78): avc:  denied  { mount } for  pid=385 comm="syz-executor197" name="/" dev="loop3" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   24.511026][  T391] F2FS-fs (loop5): Found nat_bits in checkpoint
[pid   390] mount("/dev/loop4", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   381] <... mount resumed>)        = 0
[pid   381] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid   381] chdir("./file0")            = 0
[pid   381] ioctl(4, LOOP_CLR_FD)       = 0
[pid   381] close(4)                    = 0
[pid   381] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   379] <... futex resumed>)        = 0
[pid   381] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid   379] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   379] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   381] <... open resumed>)         = 4
[pid   381] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   379] <... futex resumed>)        = 0
[pid   381] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[pid   379] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   379] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   385] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   385] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0a8305000
[pid   385] mprotect(0x7ff0a8306000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   385] clone(child_stack=0x7ff0a83253f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[419], tls=0x7ff0a8325700, child_tidptr=0x7ff0a83259d0) = 419
[pid   385] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   24.568878][  T381] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[   24.576991][  T390] F2FS-fs (loop4): Found nat_bits in checkpoint
[   24.583288][  T386] F2FS-fs (loop0): Found nat_bits in checkpoint
[pid   385] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid   379] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   385] futex(0x7ff0af4667cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   381] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
[pid   379] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0a8305000
[pid   379] mprotect(0x7ff0a8306000, 131072, PROT_READ|PROT_WRITE) = 0
[   24.618864][  T381] attempt to access beyond end of device
[   24.618864][  T381] loop2: rw=2049, want=81920, limit=40427
[   24.633377][  T381] attempt to access beyond end of device
[   24.633377][  T381] loop2: rw=2049, want=51272, limit=40427
[   24.639166][  T389] attempt to access beyond end of device
[   24.639166][  T389] loop3: rw=2049, want=81920, limit=40427
[   24.644617][  T381] attempt to access beyond end of device
[   24.644617][  T381] loop2: rw=2049, want=51256, limit=40427
[pid   379] clone(child_stack=0x7ff0a83253f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[420], tls=0x7ff0a8325700, child_tidptr=0x7ff0a83259d0) = 420
[pid   379] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   379] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 419 attached
 <unfinished ...>
[pid   419] set_robust_list(0x7ff0a83259e0, 24) = 0
[pid   419] open(".", O_RDONLY)         = 5
[pid   419] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   385] <... futex resumed>)        = 0
[pid   381] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 420 attached
 <unfinished ...>
[pid   419] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   420] set_robust_list(0x7ff0a83259e0, 24) = 0
[pid   420] open(".", O_RDONLY)         = 5
[pid   420] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   379] <... futex resumed>)        = 0
[pid   379] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   379] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   420] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   381] <... futex resumed>)        = 1
[pid   379] <... futex resumed>)        = 0
[   24.667847][   T23] audit: type=1400 audit(1675728971.999:79): avc:  denied  { write } for  pid=385 comm="syz-executor197" name="/" dev="loop3" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[   24.689730][   T23] audit: type=1400 audit(1675728971.999:80): avc:  denied  { add_name } for  pid=385 comm="syz-executor197" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[pid   379] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=38000000} <unfinished ...>
[pid   385] <... mmap resumed>)         = 0x7ff0a82e4000
[pid   381] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0" <unfinished ...>
[pid   385] mprotect(0x7ff0a82e5000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   379] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   385] <... mprotect resumed>)     = 0
[pid   381] <... symlinkat resumed>)    = 0
[pid   379] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   420] <... futex resumed>)        = 0
[pid   385] clone(child_stack=0x7ff0a83043f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid   381] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   379] <... futex resumed>)        = 1
[pid   420] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000 <unfinished ...>
[pid   381] <... futex resumed>)        = 0
[pid   379] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   420] <... mkdirat resumed>)      = 0
[pid   385] <... clone resumed>, parent_tid=[422], tls=0x7ff0a8304700, child_tidptr=0x7ff0a83049d0) = 422
[pid   420] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   379] <... futex resumed>)        = 0
[   24.711075][   T23] audit: type=1400 audit(1675728971.999:81): avc:  denied  { create } for  pid=385 comm="syz-executor197" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[   24.731849][   T23] audit: type=1400 audit(1675728971.999:82): avc:  denied  { read write open } for  pid=385 comm="syz-executor197" path="/root/syzkaller.JMVLmy/0/file0/bus" dev="loop3" ino=10 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[   24.761447][  T380] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[pid   420] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   379] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   379] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   381] renameat2(5, "./file0", 5, "./file0/file0", 0 <unfinished ...>
[pid   385] futex(0x7ff0af4667c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 422 attached
 <unfinished ...>
[pid   422] set_robust_list(0x7ff0a83049e0, 24) = 0
[pid   422] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0") = 0
[pid   422] futex(0x7ff0af4667cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   422] futex(0x7ff0af4667c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   380] <... mount resumed>)        = 0
[pid   380] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid   381] <... renameat2 resumed>)    = 0
[pid   385] <... futex resumed>)        = 1
[pid   422] <... futex resumed>)        = 0
[pid   389] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
[pid   385] futex(0x7ff0af4667cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   381] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   422] futex(0x7ff0af4667c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   389] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   385] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   381] <... futex resumed>)        = 1
[pid   379] <... futex resumed>)        = 0
[pid   389] <... futex resumed>)        = 0
[pid   385] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   381] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   379] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   389] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000 <unfinished ...>
[pid   385] <... futex resumed>)        = 0
[pid   381] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   379] <... futex resumed>)        = 0
[pid   389] <... mkdirat resumed>)      = 0
[pid   385] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   381] open(".", O_RDONLY <unfinished ...>
[pid   379] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   389] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   385] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[   24.762264][  T389] attempt to access beyond end of device
[   24.762264][  T389] loop3: rw=2049, want=51272, limit=40427
[   24.780399][  T389] attempt to access beyond end of device
[   24.780399][  T389] loop3: rw=2049, want=51256, limit=40427
[   24.792191][  T390] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5
[   24.805626][  T386] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[pid   381] <... open resumed>)         = 6
[pid   380] chdir("./file0" <unfinished ...>
[pid   390] <... mount resumed>)        = 0
[pid   389] <... futex resumed>)        = 0
[pid   385] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   381] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   390] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   389] renameat2(5, "./file0", 5, "./file0/file0", 0 <unfinished ...>
[pid   385] <... futex resumed>)        = 0
[pid   381] <... futex resumed>)        = 1
[pid   390] <... openat resumed>)       = 3
[pid   389] <... renameat2 resumed>)    = 0
[pid   385] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   381] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   390] chdir("./file0" <unfinished ...>
[pid   389] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   385] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   390] <... chdir resumed>)        = 0
[pid   389] <... futex resumed>)        = 0
[pid   385] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   390] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   389] open(".", O_RDONLY <unfinished ...>
[pid   385] <... futex resumed>)        = 0
[pid   390] <... ioctl resumed>)        = 0
[pid   389] <... open resumed>)         = 6
[pid   385] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   390] close(4 <unfinished ...>
[pid   389] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   385] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   390] <... close resumed>)        = 0
[pid   389] <... futex resumed>)        = 0
[pid   385] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   390] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   389] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0" <unfinished ...>
[pid   385] <... futex resumed>)        = 0
[pid   390] <... futex resumed>)        = 1
[pid   389] <... symlinkat resumed>)    = 0
[pid   385] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   390] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   389] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   385] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   389] <... futex resumed>)        = 0
[pid   385] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   389] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL] <unfinished ...>
[pid   385] <... futex resumed>)        = 0
[pid   389] <... ioctl resumed>)        = 0
[pid   385] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   389] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   385] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   389] <... futex resumed>)        = 0
[pid   385] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   389] renameat2(6, "./file0/file0", 5, "./file0", 0 <unfinished ...>
[pid   385] <... futex resumed>)        = 0
[pid   391] <... mount resumed>)        = 0
[pid   388] <... futex resumed>)        = 0
[pid   386] <... mount resumed>)        = 0
[pid   380] <... chdir resumed>)        = 0
[pid   379] <... futex resumed>)        = 0
[pid   391] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   388] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   386] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   380] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   379] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   391] <... openat resumed>)       = 3
[pid   388] <... futex resumed>)        = 1
[pid   386] <... openat resumed>)       = 3
[pid   380] <... ioctl resumed>)        = 0
[pid   379] <... futex resumed>)        = 1
[pid   391] chdir("./file0" <unfinished ...>
[pid   388] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   386] chdir("./file0" <unfinished ...>
[pid   380] close(4 <unfinished ...>
[pid   379] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   391] <... chdir resumed>)        = 0
[pid   390] <... futex resumed>)        = 0
[pid   389] <... renameat2 resumed>)    = 0
[pid   386] <... chdir resumed>)        = 0
[pid   385] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   381] <... futex resumed>)        = 0
[pid   380] <... close resumed>)        = 0
[pid   390] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid   389] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   385] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   381] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0" <unfinished ...>
[pid   390] <... open resumed>)         = 4
[pid   389] <... futex resumed>)        = 0
[pid   385] exit_group(0 <unfinished ...>
[pid   381] <... symlinkat resumed>)    = 0
[pid   390] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   385] <... exit_group resumed>)   = ?
[pid   381] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   390] <... futex resumed>)        = 1
[pid   389] +++ exited with 0 +++
[pid   381] <... futex resumed>)        = 0
[pid   390] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   381] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   379] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   379] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   381] <... futex resumed>)        = 0
[pid   379] <... futex resumed>)        = 1
[pid   381] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL] <unfinished ...>
[pid   379] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   381] <... ioctl resumed>)        = 0
[pid   381] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   422] <... futex resumed>)        = ?
[pid   419] <... futex resumed>)        = ?
[pid   391] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   388] <... futex resumed>)        = 0
[pid   386] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   380] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   381] <... futex resumed>)        = 1
[pid   379] <... futex resumed>)        = 0
[pid   422] +++ exited with 0 +++
[pid   419] +++ exited with 0 +++
[pid   388] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   385] +++ exited with 0 +++
[pid   381] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   380] <... futex resumed>)        = 1
[pid   379] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   378] <... futex resumed>)        = 0
[pid   390] <... futex resumed>)        = 0
[pid   388] <... futex resumed>)        = 1
[pid   381] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   380] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   379] <... futex resumed>)        = 0
[pid   378] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   375] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=385, si_uid=0, si_status=0, si_utime=6, si_stime=14} ---
[pid   390] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[pid   388] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   381] renameat2(6, "./file0/file0", 5, "./file0", 0 <unfinished ...>
[pid   380] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   379] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   378] <... futex resumed>)        = 0
[pid   378] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   391] <... ioctl resumed>)        = 0
[pid   391] close(4)                    = 0
[pid   391] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   391] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   386] <... ioctl resumed>)        = 0
[pid   386] close(4)                    = 0
[pid   386] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   384] <... futex resumed>)        = 0
[pid   386] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid   384] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   386] <... open resumed>)         = 4
[pid   384] <... futex resumed>)        = 0
[pid   386] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   384] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   386] <... futex resumed>)        = 0
[pid   384] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   386] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[pid   384] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   387] <... futex resumed>)        = 0
[pid   384] <... futex resumed>)        = 0
[pid   375] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   380] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid   384] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   375] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   375] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   387] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   375] <... openat resumed>)       = 3
[pid   375] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   391] <... futex resumed>)        = 0
[pid   387] <... futex resumed>)        = 1
[pid   380] <... open resumed>)         = 4
[pid   375] getdents64(3,  <unfinished ...>
[pid   391] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid   375] <... getdents64 resumed>0x555557436620 /* 4 entries */, 32768) = 112
[pid   391] <... open resumed>)         = 4
[pid   387] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   380] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   375] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   391] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   375] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   391] <... futex resumed>)        = 0
[pid   375] lstat("./0/binderfs",  <unfinished ...>
[pid   391] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   375] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   375] unlink("./0/binderfs")      = 0
[pid   387] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   380] <... futex resumed>)        = 1
[pid   378] <... futex resumed>)        = 0
[pid   375] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   387] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   380] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[pid   378] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   378] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   391] <... futex resumed>)        = 0
[pid   387] <... futex resumed>)        = 1
[pid   391] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[   24.805674][  T391] F2FS-fs (loop5): Mounted with checkpoint version = 48b305e5
[   24.815948][  T399] attempt to access beyond end of device
[   24.815948][  T399] loop3: rw=2049, want=45120, limit=40427
[   24.847109][  T398] attempt to access beyond end of device
[   24.847109][  T398] loop2: rw=2049, want=45120, limit=40427
[pid   387] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   388] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   388] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0a8305000
[pid   388] mprotect(0x7ff0a8306000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   388] clone(child_stack=0x7ff0a83253f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[426], tls=0x7ff0a8325700, child_tidptr=0x7ff0a83259d0) = 426
[pid   388] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   388] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 426 attached
 <unfinished ...>
[pid   426] set_robust_list(0x7ff0a83259e0, 24) = 0
[pid   426] open(".", O_RDONLY)         = 5
[pid   426] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   388] <... futex resumed>)        = 0
[pid   388] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   388] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   426] <... futex resumed>)        = 1
[pid   426] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0") = 0
[pid   381] <... renameat2 resumed>)    = 0
[pid   379] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   381] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   379] exit_group(0 <unfinished ...>
[pid   381] <... futex resumed>)        = 230
[pid   420] <... futex resumed>)        = ?
[pid   379] <... exit_group resumed>)   = ?
[pid   420] +++ exited with 0 +++
[pid   381] +++ exited with 0 +++
[pid   379] +++ exited with 0 +++
[pid   374] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=379, si_uid=0, si_status=0, si_utime=5, si_stime=19} ---
[pid   374] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   374] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   374] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   374] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   374] getdents64(3, 0x555557436620 /* 4 entries */, 32768) = 112
[pid   374] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   374] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   374] unlink("./0/binderfs")      = 0
[pid   374] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   426] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   388] <... futex resumed>)        = 0
[pid   388] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   388] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   426] <... futex resumed>)        = 1
[pid   426] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000) = 0
[pid   384] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   384] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0a8305000
[pid   384] mprotect(0x7ff0a8306000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   384] clone(child_stack=0x7ff0a83253f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[427], tls=0x7ff0a8325700, child_tidptr=0x7ff0a83259d0) = 427
[pid   384] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   384] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   426] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   388] <... futex resumed>)        = 0
[pid   388] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   388] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   426] renameat2(5, "./file0", 5, "./file0/file0", 0 <unfinished ...>
[pid   378] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   378] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0a8305000
[pid   378] mprotect(0x7ff0a8306000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   378] clone(child_stack=0x7ff0a83253f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[428], tls=0x7ff0a8325700, child_tidptr=0x7ff0a83259d0) = 428
[pid   378] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   378] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   426] <... renameat2 resumed>)    = 0
./strace-static-x86_64: Process 427 attached
[pid   426] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   427] set_robust_list(0x7ff0a83259e0, 24 <unfinished ...>
[pid   426] <... futex resumed>)        = 1
[pid   388] <... futex resumed>)        = 0
[pid   388] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   388] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   427] <... set_robust_list resumed>) = 0
[pid   426] open(".", O_RDONLY <unfinished ...>
[pid   427] open(".", O_RDONLY <unfinished ...>
[pid   426] <... open resumed>)         = 6
[pid   427] <... open resumed>)         = 5
[pid   426] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   427] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   426] <... futex resumed>)        = 1
[pid   388] <... futex resumed>)        = 0
[pid   388] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   426] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0" <unfinished ...>
[pid   388] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   426] <... symlinkat resumed>)    = 0
[pid   427] <... futex resumed>)        = 1
[pid   426] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   384] <... futex resumed>)        = 0
[pid   384] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   384] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   427] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0" <unfinished ...>
[pid   426] <... futex resumed>)        = 1
[pid   388] <... futex resumed>)        = 0
[pid   426] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   388] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   426] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   388] <... futex resumed>)        = 0
[pid   426] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL] <unfinished ...>
[pid   388] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   426] <... ioctl resumed>)        = 0
[pid   426] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   427] <... symlinkat resumed>)    = 0
[pid   426] <... futex resumed>)        = 1
[pid   388] <... futex resumed>)        = 0
[pid   426] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   388] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   426] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   388] <... futex resumed>)        = 0
[pid   426] renameat2(6, "./file0/file0", 5, "./file0", 0 <unfinished ...>
[pid   388] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 428 attached
 <unfinished ...>
[pid   427] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   426] <... renameat2 resumed>)    = 0
[pid   390] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
[pid   387] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   386] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
[pid   380] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
[pid   427] <... futex resumed>)        = 1
[pid   426] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   384] <... futex resumed>)        = 0
[pid   427] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   426] <... futex resumed>)        = 1
[pid   388] <... futex resumed>)        = 0
[pid   384] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   427] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   426] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   384] <... futex resumed>)        = 0
[pid   427] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000 <unfinished ...>
[pid   384] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   428] set_robust_list(0x7ff0a83259e0, 24 <unfinished ...>
[pid   427] <... mkdirat resumed>)      = 0
[pid   390] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   387] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   386] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   380] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   427] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   384] <... futex resumed>)        = 0
[pid   427] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   384] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   428] <... set_robust_list resumed>) = 0
[pid   390] <... futex resumed>)        = 0
[pid   387] <... futex resumed>)        = 0
[pid   386] <... futex resumed>)        = 0
[pid   384] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   380] <... futex resumed>)        = 0
[pid   388] exit_group(0 <unfinished ...>
[pid   426] <... futex resumed>)        = ?
[pid   388] <... exit_group resumed>)   = ?
[pid   428] open(".", O_RDONLY <unfinished ...>
[pid   426] +++ exited with 0 +++
[pid   387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   386] renameat2(5, "./file0", 5, "./file0/file0", 0 <unfinished ...>
[pid   380] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   428] <... open resumed>)         = 5
[pid   390] +++ exited with 0 +++
[pid   388] +++ exited with 0 +++
[pid   387] <... mmap resumed>)         = 0x7ff0a8305000
[pid   376] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=388, si_uid=0, si_status=0, si_utime=7, si_stime=20} ---
[pid   428] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   387] mprotect(0x7ff0a8306000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   376] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   386] <... renameat2 resumed>)    = 0
[pid   428] <... futex resumed>)        = 1
[pid   378] <... futex resumed>)        = 0
[pid   376] <... restart_syscall resumed>) = 0
[pid   387] <... mprotect resumed>)     = 0
[pid   378] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   428] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   387] clone(child_stack=0x7ff0a83253f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid   386] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   380] <... futex resumed>)        = 0
[pid   378] <... futex resumed>)        = 1
[pid   378] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   376] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   376] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   376] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   376] getdents64(3, 0x555557436620 /* 4 entries */, 32768) = 112
[pid   376] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   376] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   376] unlink("./0/binderfs")      = 0
[pid   376] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   380] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0") = 0
[pid   387] <... clone resumed>, parent_tid=[429], tls=0x7ff0a8325700, child_tidptr=0x7ff0a83259d0) = 429
[pid   386] <... futex resumed>)        = 1
[pid   384] <... futex resumed>)        = 0
[pid   387] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   380] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   387] <... futex resumed>)        = 0
[pid   386] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   384] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   380] <... futex resumed>)        = 1
[pid   378] <... futex resumed>)        = 0
[pid   387] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   386] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   384] <... futex resumed>)        = 0
[pid   378] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   386] open(".", O_RDONLY <unfinished ...>
[pid   384] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   380] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000 <unfinished ...>
[pid   378] <... futex resumed>)        = 0
[pid   386] <... open resumed>)         = 6
[pid   378] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   380] <... mkdirat resumed>)      = 0
[pid   386] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   384] <... futex resumed>)        = 0
[pid   380] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   386] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   384] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   378] <... futex resumed>)        = 0
[pid   380] <... futex resumed>)        = 1
[pid   386] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   384] <... futex resumed>)        = 0
[pid   380] renameat2(5, "./file0", 5, "./file0/file0", 0 <unfinished ...>
[pid   378] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   386] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0" <unfinished ...>
[pid   384] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   378] <... futex resumed>)        = 0
[pid   378] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   380] <... renameat2 resumed>)    = 0
[pid   386] <... symlinkat resumed>)    = 0
[pid   380] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   386] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   380] <... futex resumed>)        = 1
[pid   378] <... futex resumed>)        = 0
[pid   386] <... futex resumed>)        = 1
[pid   384] <... futex resumed>)        = 0
[pid   380] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   378] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   386] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL] <unfinished ...>
[pid   384] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   380] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   378] <... futex resumed>)        = 0
[pid   386] <... ioctl resumed>)        = 0
[pid   384] <... futex resumed>)        = 0
[pid   378] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   380] open(".", O_RDONLY <unfinished ...>
[pid   386] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   384] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   386] <... futex resumed>)        = 0
[pid   384] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   380] <... open resumed>)         = 6
[pid   386] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   384] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   380] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   386] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   384] <... futex resumed>)        = 0
[pid   386] renameat2(6, "./file0/file0", 5, "./file0", 0 <unfinished ...>
[pid   384] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   380] <... futex resumed>)        = 1
[pid   378] <... futex resumed>)        = 0
[pid   378] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   380] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0" <unfinished ...>
[pid   378] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   386] <... renameat2 resumed>)    = 0
[pid   386] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   380] <... symlinkat resumed>)    = 0
[pid   386] <... futex resumed>)        = 1
[pid   384] <... futex resumed>)        = 0
[pid   380] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   386] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   384] exit_group(0 <unfinished ...>
[pid   380] <... futex resumed>)        = 1
[pid   378] <... futex resumed>)        = 0
[pid   427] <... futex resumed>)        = ?
[pid   386] <... futex resumed>)        = ?
[pid   384] <... exit_group resumed>)   = ?
[pid   380] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   378] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   427] +++ exited with 0 +++
[pid   378] <... futex resumed>)        = 0
[pid   378] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   386] +++ exited with 0 +++
[pid   384] +++ exited with 0 +++
[pid   380] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   380] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL] <unfinished ...>
[pid   372] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=384, si_uid=0, si_status=0, si_utime=5, si_stime=15} ---
[pid   380] <... ioctl resumed>)        = 0
[pid   380] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   378] <... futex resumed>)        = 0
[pid   372] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   380] renameat2(6, "./file0/file0", 5, "./file0", 0 <unfinished ...>
[pid   378] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   372] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   378] <... futex resumed>)        = 0
[pid   372] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   378] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   372] <... openat resumed>)       = 3
[pid   372] fstat(3,  <unfinished ...>
[pid   380] <... renameat2 resumed>)    = 0
[pid   372] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   380] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   372] getdents64(3,  <unfinished ...>
[pid   380] <... futex resumed>)        = 1
[pid   378] <... futex resumed>)        = 0
[pid   372] <... getdents64 resumed>0x555557436620 /* 4 entries */, 32768) = 112
[pid   380] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   378] exit_group(0 <unfinished ...>
[pid   372] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   428] <... futex resumed>)        = ?
[pid   380] <... futex resumed>)        = ?
[pid   378] <... exit_group resumed>)   = ?
[pid   372] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 429 attached
[pid   428] +++ exited with 0 +++
[pid   380] +++ exited with 0 +++
[pid   378] +++ exited with 0 +++
[pid   372] lstat("./0/binderfs",  <unfinished ...>
[pid   429] set_robust_list(0x7ff0a83259e0, 24 <unfinished ...>
[pid   372] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   429] <... set_robust_list resumed>) = 0
[pid   373] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=378, si_uid=0, si_status=0, si_utime=6, si_stime=12} ---
[pid   372] unlink("./0/binderfs" <unfinished ...>
[pid   429] open(".", O_RDONLY <unfinished ...>
[pid   373] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   372] <... unlink resumed>)       = 0
[pid   429] <... open resumed>)         = 5
[pid   373] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   372] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   429] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   373] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   429] <... futex resumed>)        = 1
[pid   373] <... openat resumed>)       = 3
[pid   429] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   387] <... futex resumed>)        = 0
[pid   373] fstat(3,  <unfinished ...>
[pid   429] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   387] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   373] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   429] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0" <unfinished ...>
[pid   387] <... futex resumed>)        = 0
[pid   373] getdents64(3,  <unfinished ...>
[pid   429] <... symlinkat resumed>)    = 0
[pid   387] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   373] <... getdents64 resumed>0x555557436620 /* 4 entries */, 32768) = 112
[pid   429] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   373] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   429] <... futex resumed>)        = 1
[pid   387] <... futex resumed>)        = 0
[pid   373] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   429] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   387] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   373] lstat("./0/binderfs",  <unfinished ...>
[pid   429] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   387] <... futex resumed>)        = 0
[pid   373] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[   24.888350][  T390] attempt to access beyond end of device
[   24.888350][  T390] loop4: rw=2049, want=81920, limit=40427
[   24.914888][  T380] attempt to access beyond end of device
[   24.914888][  T380] loop1: rw=2049, want=81920, limit=40427
[pid   429] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000 <unfinished ...>
[pid   387] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   373] unlink("./0/binderfs" <unfinished ...>
[pid   429] <... mkdirat resumed>)      = 0
[pid   373] <... unlink resumed>)       = 0
[pid   429] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   373] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   429] <... futex resumed>)        = 0
[pid   429] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   387] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   387] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   429] <... futex resumed>)        = 0
[pid   387] <... futex resumed>)        = 1
[pid   429] renameat2(5, "./file0", 5, "./file0/file0", 0 <unfinished ...>
[pid   387] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   429] <... renameat2 resumed>)    = 0
[pid   429] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   387] <... futex resumed>)        = 0
[pid   429] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid   387] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   429] open(".", O_RDONLY <unfinished ...>
[pid   387] <... futex resumed>)        = 0
[pid   429] <... open resumed>)         = 6
[pid   387] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   429] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   387] <... futex resumed>)        = 0
[pid   429] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0" <unfinished ...>
[pid   387] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   429] <... symlinkat resumed>)    = 0
[pid   387] <... futex resumed>)        = 0
[pid   429] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   387] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   429] <... futex resumed>)        = 0
[pid   429] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   391] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
[pid   387] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   387] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   429] <... futex resumed>)        = 0
[pid   387] <... futex resumed>)        = 1
[pid   429] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL]) = 0
[pid   429] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   429] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   387] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   391] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   391] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   387] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   387] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   391] <... futex resumed>)        = 0
[pid   391] renameat2(6, "./file0/file0", 5, "./file0", 0 <unfinished ...>
[pid   387] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   391] <... renameat2 resumed>)    = 0
[pid   391] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   391] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   387] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   387] exit_group(0 <unfinished ...>
[pid   429] <... futex resumed>)        = ?
[pid   387] <... exit_group resumed>)   = ?
[pid   429] +++ exited with 0 +++
[pid   391] <... futex resumed>)        = ?
[pid   391] +++ exited with 0 +++
[pid   387] +++ exited with 0 +++
[pid   377] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=387, si_uid=0, si_status=0, si_utime=10, si_stime=15} ---
[pid   377] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   377] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   377] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   377] getdents64(3, 0x555557436620 /* 4 entries */, 32768) = 112
[pid   377] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   377] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   377] unlink("./0/binderfs")      = 0
[pid   377] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   375] <... umount2 resumed>)      = 0
[pid   375] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   375] lstat("./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   375] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   375] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   375] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   375] getdents64(4, 0x55555743e660 /* 2 entries */, 32768) = 48
[pid   375] getdents64(4, 0x55555743e660 /* 0 entries */, 32768) = 0
[pid   375] close(4)                    = 0
[pid   375] rmdir("./0/file0")          = 0
[pid   375] getdents64(3, 0x555557436620 /* 0 entries */, 32768) = 0
[pid   375] close(3)                    = 0
[pid   375] rmdir("./0")                = 0
[pid   375] mkdir("./1", 0777)          = 0
[pid   375] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid   374] <... umount2 resumed>)      = 0
[pid   374] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   374] lstat("./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   374] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   374] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   374] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   374] getdents64(4, 0x55555743e660 /* 2 entries */, 32768) = 48
[pid   374] getdents64(4, 0x55555743e660 /* 0 entries */, 32768) = 0
[pid   374] close(4)                    = 0
[pid   374] rmdir("./0/file0")          = 0
[pid   374] getdents64(3, 0x555557436620 /* 0 entries */, 32768) = 0
[pid   374] close(3)                    = 0
[pid   374] rmdir("./0")                = 0
[pid   374] mkdir("./1", 0777)          = 0
[pid   374] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid   375] <... openat resumed>)       = 3
[pid   375] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   374] <... openat resumed>)       = 3
[pid   375] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   374] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   375] close(3 <unfinished ...>
[pid   374] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   375] <... close resumed>)        = 0
[pid   374] close(3 <unfinished ...>
[pid   375] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   374] <... close resumed>)        = 0
[pid   374] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   375] <... clone resumed>, child_tidptr=0x5555574355d0) = 434
[pid   374] <... clone resumed>, child_tidptr=0x5555574355d0) = 435
./strace-static-x86_64: Process 435 attached
[pid   435] set_robust_list(0x5555574355e0, 24) = 0
[pid   435] chdir("./1")                = 0
[pid   435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   435] setpgid(0, 0)               = 0
[pid   435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   435] write(3, "1000", 4)         = 4
[pid   435] close(3)                    = 0
[pid   435] symlink("/dev/binderfs", "./binderfs") = 0
[pid   435] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0af368000
[pid   435] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   435] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 434 attached
, parent_tid=[436], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 436
[pid   435] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   434] set_robust_list(0x5555574355e0, 24 <unfinished ...>
[pid   435] <... futex resumed>)        = 0
[pid   434] <... set_robust_list resumed>) = 0
[pid   435] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   434] chdir("./1")                = 0
[pid   434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   434] setpgid(0, 0)               = 0
[pid   434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   434] write(3, "1000", 4)         = 4
[pid   434] close(3)                    = 0
[pid   434] symlink("/dev/binderfs", "./binderfs") = 0
[pid   434] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0af368000
[pid   434] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   434] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[437], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 437
[pid   434] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   434] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 437 attached
 <unfinished ...>
[pid   437] set_robust_list(0x7ff0af3889e0, 24) = 0
./strace-static-x86_64: Process 436 attached
[pid   436] set_robust_list(0x7ff0af3889e0, 24 <unfinished ...>
[pid   437] memfd_create("syzkaller", 0 <unfinished ...>
[pid   436] <... set_robust_list resumed>) = 0
[pid   437] <... memfd_create resumed>) = 3
[pid   437] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff0a6f68000
[pid   436] memfd_create("syzkaller", 0) = 3
[pid   436] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff0a6f68000
[pid   376] <... umount2 resumed>)      = 0
[pid   376] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   376] lstat("./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   376] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   376] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   376] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   376] getdents64(4, 0x55555743e660 /* 2 entries */, 32768) = 48
[pid   376] getdents64(4, 0x55555743e660 /* 0 entries */, 32768) = 0
[pid   376] close(4)                    = 0
[pid   376] rmdir("./0/file0")          = 0
[pid   376] getdents64(3, 0x555557436620 /* 0 entries */, 32768) = 0
[pid   376] close(3)                    = 0
[pid   376] rmdir("./0")                = 0
[pid   376] mkdir("./1", 0777)          = 0
[pid   376] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid   376] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   376] close(3)                    = 0
[pid   376] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574355d0) = 438
./strace-static-x86_64: Process 438 attached
[pid   438] set_robust_list(0x5555574355e0, 24) = 0
[pid   438] chdir("./1")                = 0
[pid   438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   438] setpgid(0, 0)               = 0
[pid   438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   438] write(3, "1000", 4)         = 4
[pid   438] close(3)                    = 0
[pid   438] symlink("/dev/binderfs", "./binderfs") = 0
[pid   438] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   438] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0af368000
[pid   438] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   438] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[439], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 439
[pid   438] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   438] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 439 attached
 <unfinished ...>
[pid   439] set_robust_list(0x7ff0af3889e0, 24) = 0
[pid   439] memfd_create("syzkaller", 0) = 3
[pid   439] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff0a6f68000
[pid   377] <... umount2 resumed>)      = 0
[pid   373] <... umount2 resumed>)      = 0
[pid   377] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   373] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   377] lstat("./0/file0",  <unfinished ...>
[pid   373] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   377] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   373] lstat("./0/file0",  <unfinished ...>
[pid   377] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   373] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   377] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   373] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   377] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   373] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   373] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   377] fstat(4,  <unfinished ...>
[pid   373] <... openat resumed>)       = 4
[pid   377] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   377] getdents64(4,  <unfinished ...>
[pid   373] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   377] <... getdents64 resumed>0x55555743e660 /* 2 entries */, 32768) = 48
[pid   373] getdents64(4, 0x55555743e660 /* 2 entries */, 32768) = 48
[pid   377] getdents64(4, 0x55555743e660 /* 0 entries */, 32768) = 0
[pid   373] getdents64(4,  <unfinished ...>
[pid   377] close(4 <unfinished ...>
[pid   373] <... getdents64 resumed>0x55555743e660 /* 0 entries */, 32768) = 0
[pid   377] <... close resumed>)        = 0
[pid   373] close(4)                    = 0
[pid   377] rmdir("./0/file0" <unfinished ...>
[pid   373] rmdir("./0/file0")          = 0
[pid   377] <... rmdir resumed>)        = 0
[pid   373] getdents64(3,  <unfinished ...>
[pid   377] getdents64(3,  <unfinished ...>
[pid   373] <... getdents64 resumed>0x555557436620 /* 0 entries */, 32768) = 0
[pid   377] <... getdents64 resumed>0x555557436620 /* 0 entries */, 32768) = 0
[pid   373] close(3 <unfinished ...>
[pid   377] close(3)                    = 0
[pid   373] <... close resumed>)        = 0
[pid   373] rmdir("./0" <unfinished ...>
[pid   377] rmdir("./0")                = 0
[pid   373] <... rmdir resumed>)        = 0
[pid   377] mkdir("./1", 0777 <unfinished ...>
[pid   373] mkdir("./1", 0777)          = 0
[pid   377] <... mkdir resumed>)        = 0
[pid   377] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid   373] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid   377] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   373] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   377] close(3 <unfinished ...>
[pid   373] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   373] close(3 <unfinished ...>
[pid   372] <... umount2 resumed>)      = 0
[pid   372] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   372] lstat("./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   372] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   372] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   377] <... close resumed>)        = 0
[pid   372] fstat(4,  <unfinished ...>
[pid   373] <... close resumed>)        = 0
[pid   372] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   372] getdents64(4,  <unfinished ...>
[pid   377] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   372] <... getdents64 resumed>0x55555743e660 /* 2 entries */, 32768) = 48
[pid   373] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   372] getdents64(4, 0x55555743e660 /* 0 entries */, 32768) = 0
[pid   372] close(4)                    = 0
[pid   372] rmdir("./0/file0" <unfinished ...>
[pid   373] <... clone resumed>, child_tidptr=0x5555574355d0) = 441
./strace-static-x86_64: Process 440 attached
[pid   372] <... rmdir resumed>)        = 0
[pid   372] getdents64(3,  <unfinished ...>
[pid   377] <... clone resumed>, child_tidptr=0x5555574355d0) = 440
[pid   372] <... getdents64 resumed>0x555557436620 /* 0 entries */, 32768) = 0
[pid   440] set_robust_list(0x5555574355e0, 24 <unfinished ...>
[pid   372] close(3 <unfinished ...>
[pid   440] <... set_robust_list resumed>) = 0
[pid   372] <... close resumed>)        = 0
[pid   372] rmdir("./0"./strace-static-x86_64: Process 441 attached
 <unfinished ...>
[pid   441] set_robust_list(0x5555574355e0, 24 <unfinished ...>
[pid   372] <... rmdir resumed>)        = 0
[pid   372] mkdir("./1", 0777 <unfinished ...>
[pid   441] <... set_robust_list resumed>) = 0
[pid   441] chdir("./1" <unfinished ...>
[pid   440] chdir("./1" <unfinished ...>
[pid   372] <... mkdir resumed>)        = 0
[pid   372] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid   440] <... chdir resumed>)        = 0
[pid   440] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   372] <... openat resumed>)       = 3
[pid   440] <... prctl resumed>)        = 0
[pid   372] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   440] setpgid(0, 0 <unfinished ...>
[pid   372] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   440] <... setpgid resumed>)      = 0
[pid   372] close(3)                    = 0
[pid   372] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   441] <... chdir resumed>)        = 0
[pid   441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   441] setpgid(0, 0 <unfinished ...>
[pid   372] <... clone resumed>, child_tidptr=0x5555574355d0) = 442
[pid   441] <... setpgid resumed>)      = 0
[pid   441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   441] write(3, "1000", 4)         = 4
[pid   441] close(3)                    = 0
[pid   441] symlink("/dev/binderfs", "./binderfs") = 0
[pid   441] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   441] <... futex resumed>)        = 0
[pid   441] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   440] <... openat resumed>)       = 3
[pid   441] <... mmap resumed>)         = 0x7ff0af368000
[pid   440] write(3, "1000", 4 <unfinished ...>
[pid   441] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   440] <... write resumed>)        = 4
[pid   441] <... mprotect resumed>)     = 0
[pid   440] close(3 <unfinished ...>
[pid   441] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid   440] <... close resumed>)        = 0
[pid   440] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   441] <... clone resumed>, parent_tid=[443], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 443
./strace-static-x86_64: Process 442 attached
[pid   441] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   440] <... symlink resumed>)      = 0
[pid   442] set_robust_list(0x5555574355e0, 24 <unfinished ...>
[pid   441] <... futex resumed>)        = 0
[pid   440] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   442] <... set_robust_list resumed>) = 0
[pid   441] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   440] <... futex resumed>)        = 0
[pid   442] chdir("./1" <unfinished ...>
[pid   440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   442] <... chdir resumed>)        = 0
[pid   440] <... mmap resumed>)         = 0x7ff0af368000
[pid   440] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   442] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   440] <... mprotect resumed>)     = 0
[pid   440] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid   442] <... prctl resumed>)        = 0
[pid   440] <... clone resumed>, parent_tid=[444], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 444
[pid   442] setpgid(0, 0 <unfinished ...>
[pid   440] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   442] <... setpgid resumed>)      = 0
[pid   440] <... futex resumed>)        = 0
[pid   442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   440] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   442] <... openat resumed>)       = 3
[pid   442] write(3, "1000", 4)         = 4
[pid   442] close(3)                    = 0
./strace-static-x86_64: Process 443 attached
[pid   442] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   443] set_robust_list(0x7ff0af3889e0, 24) = 0
[pid   443] memfd_create("syzkaller", 0 <unfinished ...>
[pid   442] <... symlink resumed>)      = 0
[pid   443] <... memfd_create resumed>) = 3
[pid   442] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   443] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   442] <... futex resumed>)        = 0
[pid   443] <... mmap resumed>)         = 0x7ff0a6f68000
[pid   442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0af368000
./strace-static-x86_64: Process 444 attached
[pid   442] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   444] set_robust_list(0x7ff0af3889e0, 24 <unfinished ...>
[pid   442] <... mprotect resumed>)     = 0
[pid   444] <... set_robust_list resumed>) = 0
[pid   442] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[445], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 445
[pid   442] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   444] memfd_create("syzkaller", 0 <unfinished ...>
[pid   442] <... futex resumed>)        = 0
[pid   444] <... memfd_create resumed>) = 3
[pid   442] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   444] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff0a6f68000
./strace-static-x86_64: Process 445 attached
[pid   445] set_robust_list(0x7ff0af3889e0, 24) = 0
[pid   445] memfd_create("syzkaller", 0) = 3
[pid   445] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff0a6f68000
[pid   437] 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"..., 20699119 <unfinished ...>
[pid   436] 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"..., 20699119 <unfinished ...>
[pid   439] 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"..., 20699119 <unfinished ...>
[pid   443] 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"..., 20699119 <unfinished ...>
[pid   445] 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"..., 20699119 <unfinished ...>
[pid   444] 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"..., 20699119 <unfinished ...>
[pid   437] <... write resumed>)        = 20699119
[pid   437] munmap(0x7ff0a6f68000, 20699119) = 0
[pid   437] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[pid   437] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   437] close(3)                    = 0
[pid   437] mkdir("./file0", 0777)      = 0
[pid   437] mount("/dev/loop3", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   439] <... write resumed>)        = 20699119
[pid   439] munmap(0x7ff0a6f68000, 20699119 <unfinished ...>
[pid   436] <... write resumed>)        = 20699119
[pid   436] munmap(0x7ff0a6f68000, 20699119) = 0
[pid   439] <... munmap resumed>)       = 0
[pid   439] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid   439] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   436] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[pid   436] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   439] <... ioctl resumed>)        = 0
[pid   439] close(3)                    = 0
[pid   439] mkdir("./file0", 0777)      = 0
[pid   439] mount("/dev/loop4", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   436] <... ioctl resumed>)        = 0
[pid   436] close(3)                    = 0
[pid   436] mkdir("./file0", 0777)      = 0
[   26.251342][  T437] F2FS-fs (loop3): Found nat_bits in checkpoint
[pid   436] mount("/dev/loop2", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   443] <... write resumed>)        = 20699119
[pid   443] munmap(0x7ff0a6f68000, 20699119) = 0
[pid   443] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[pid   443] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   443] close(3)                    = 0
[pid   443] mkdir("./file0", 0777)      = 0
[pid   443] mount("/dev/loop1", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   444] <... write resumed>)        = 20699119
[pid   444] munmap(0x7ff0a6f68000, 20699119) = 0
[pid   444] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4
[pid   444] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   444] close(3)                    = 0
[pid   444] mkdir("./file0", 0777)      = 0
[   26.343739][  T439] F2FS-fs (loop4): Found nat_bits in checkpoint
[   26.344067][  T436] F2FS-fs (loop2): Found nat_bits in checkpoint
[   26.358081][  T443] F2FS-fs (loop1): Found nat_bits in checkpoint
[pid   444] mount("/dev/loop5", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   443] <... mount resumed>)        = 0
[pid   439] <... mount resumed>)        = 0
[pid   443] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   439] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   443] <... openat resumed>)       = 3
[pid   439] <... openat resumed>)       = 3
[pid   443] chdir("./file0" <unfinished ...>
[pid   439] chdir("./file0" <unfinished ...>
[pid   443] <... chdir resumed>)        = 0
[pid   443] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   439] <... chdir resumed>)        = 0
[pid   443] <... ioctl resumed>)        = 0
[pid   443] close(4 <unfinished ...>
[pid   439] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   443] <... close resumed>)        = 0
[pid   439] <... ioctl resumed>)        = 0
[pid   443] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   439] close(4 <unfinished ...>
[pid   443] <... futex resumed>)        = 1
[pid   441] <... futex resumed>)        = 0
[pid   437] <... mount resumed>)        = 0
[pid   443] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   441] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   439] <... close resumed>)        = 0
[pid   437] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   443] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   441] <... futex resumed>)        = 0
[pid   439] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   437] <... openat resumed>)       = 3
[pid   443] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid   441] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   439] <... futex resumed>)        = 1
[pid   438] <... futex resumed>)        = 0
[pid   437] chdir("./file0" <unfinished ...>
[pid   443] <... open resumed>)         = 4
[pid   439] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid   438] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   437] <... chdir resumed>)        = 0
[pid   438] <... futex resumed>)        = 0
[pid   439] <... open resumed>)         = 4
[pid   438] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   437] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   443] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   439] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   443] <... futex resumed>)        = 1
[pid   441] <... futex resumed>)        = 0
[pid   439] <... futex resumed>)        = 1
[pid   438] <... futex resumed>)        = 0
[pid   437] <... ioctl resumed>)        = 0
[pid   443] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[pid   441] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   439] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[pid   438] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   437] close(4 <unfinished ...>
[pid   441] <... futex resumed>)        = 0
[pid   438] <... futex resumed>)        = 0
[pid   441] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   438] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   445] <... write resumed>)        = 20699119
[pid   445] munmap(0x7ff0a6f68000, 20699119) = 0
[pid   445] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   445] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   437] <... close resumed>)        = 0
[pid   445] close(3)                    = 0
[pid   445] mkdir("./file0", 0777)      = 0
[pid   445] mount("/dev/loop0", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   437] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   434] <... futex resumed>)        = 0
[pid   437] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   434] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   437] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   434] <... futex resumed>)        = 0
[pid   437] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[   26.396610][  T439] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5
[   26.404952][  T444] F2FS-fs (loop5): Found nat_bits in checkpoint
[   26.406149][  T443] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[   26.431295][  T437] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5
[pid   434] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   437] <... open resumed>)         = 4
[pid   437] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   434] <... futex resumed>)        = 0
[pid   437] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   434] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   437] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   434] <... futex resumed>)        = 0
[pid   437] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[pid   434] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   441] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   441] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   438] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   441] <... futex resumed>)        = 0
[pid   438] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   441] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   438] <... futex resumed>)        = 0
[pid   441] <... mmap resumed>)         = 0x7ff0a8305000
[pid   438] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   441] mprotect(0x7ff0a8306000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   438] <... mmap resumed>)         = 0x7ff0a8305000
[pid   441] <... mprotect resumed>)     = 0
[pid   438] mprotect(0x7ff0a8306000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   441] clone(child_stack=0x7ff0a83253f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid   438] <... mprotect resumed>)     = 0
[pid   438] clone(child_stack=0x7ff0a83253f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid   441] <... clone resumed>, parent_tid=[475], tls=0x7ff0a8325700, child_tidptr=0x7ff0a83259d0) = 475
[pid   441] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   438] <... clone resumed>, parent_tid=[476], tls=0x7ff0a8325700, child_tidptr=0x7ff0a83259d0) = 476
[pid   441] <... futex resumed>)        = 0
[pid   438] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   441] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   438] <... futex resumed>)        = 0
[pid   438] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   436] <... mount resumed>)        = 0
[pid   436] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid   436] chdir("./file0")            = 0
[pid   436] ioctl(4, LOOP_CLR_FD)       = 0
[pid   436] close(4)                    = 0
[pid   436] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   435] <... futex resumed>)        = 0
[pid   435] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   435] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   436] <... futex resumed>)        = 1
[pid   436] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000) = 4
[pid   436] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   435] <... futex resumed>)        = 0
[pid   435] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   435] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   436] <... futex resumed>)        = 1
[pid   436] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[pid   434] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   434] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0a8305000
[pid   434] mprotect(0x7ff0a8306000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   434] clone(child_stack=0x7ff0a83253f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 476 attached
./strace-static-x86_64: Process 475 attached
, parent_tid=[477], tls=0x7ff0a8325700, child_tidptr=0x7ff0a83259d0) = 477
[pid   434] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   434] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   476] set_robust_list(0x7ff0a83259e0, 24 <unfinished ...>
[pid   475] set_robust_list(0x7ff0a83259e0, 24 <unfinished ...>
[pid   476] <... set_robust_list resumed>) = 0
[pid   475] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 477 attached
[pid   476] open(".", O_RDONLY <unfinished ...>
[pid   475] open(".", O_RDONLY <unfinished ...>
[pid   476] <... open resumed>)         = 5
[pid   477] set_robust_list(0x7ff0a83259e0, 24 <unfinished ...>
[pid   476] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   475] <... open resumed>)         = 5
[pid   476] <... futex resumed>)        = 1
[pid   438] <... futex resumed>)        = 0
[pid   475] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   477] <... set_robust_list resumed>) = 0
[pid   476] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   475] <... futex resumed>)        = 1
[pid   441] <... futex resumed>)        = 0
[pid   477] open(".", O_RDONLY <unfinished ...>
[pid   438] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   476] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   475] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   441] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   438] <... futex resumed>)        = 0
[pid   477] <... open resumed>)         = 5
[pid   476] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0" <unfinished ...>
[pid   475] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   441] <... futex resumed>)        = 0
[pid   438] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   441] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   476] <... symlinkat resumed>)    = 0
[pid   475] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0" <unfinished ...>
[pid   477] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   476] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   475] <... symlinkat resumed>)    = 0
[pid   438] <... futex resumed>)        = 0
[pid   476] <... futex resumed>)        = 1
[pid   434] <... futex resumed>)        = 0
[pid   477] <... futex resumed>)        = 1
[pid   476] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000 <unfinished ...>
[pid   475] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   438] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   434] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   438] <... futex resumed>)        = 0
[pid   434] <... futex resumed>)        = 0
[pid   438] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   434] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   476] <... mkdirat resumed>)      = 0
[pid   475] <... futex resumed>)        = 1
[pid   477] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0" <unfinished ...>
[pid   441] <... futex resumed>)        = 0
[pid   476] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   475] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000 <unfinished ...>
[pid   441] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   477] <... symlinkat resumed>)    = 0
[pid   441] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   475] <... mkdirat resumed>)      = 0
[pid   477] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   476] <... futex resumed>)        = 1
[pid   475] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   438] <... futex resumed>)        = 0
[pid   477] <... futex resumed>)        = 1
[pid   476] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   475] <... futex resumed>)        = 1
[pid   441] <... futex resumed>)        = 0
[pid   438] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   434] <... futex resumed>)        = 0
[pid   477] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   476] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   475] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   441] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   438] <... futex resumed>)        = 0
[pid   434] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   477] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   476] renameat2(5, "./file0", 5, "./file0/file0", 0 <unfinished ...>
[pid   475] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   441] <... futex resumed>)        = 0
[pid   438] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   434] <... futex resumed>)        = 0
[pid   477] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000 <unfinished ...>
[pid   475] renameat2(5, "./file0", 5, "./file0/file0", 0 <unfinished ...>
[pid   441] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   434] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   476] <... renameat2 resumed>)    = 0
[pid   477] <... mkdirat resumed>)      = 0
[pid   475] <... renameat2 resumed>)    = 0
[pid   477] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   476] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   475] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   477] <... futex resumed>)        = 1
[pid   476] <... futex resumed>)        = 1
[pid   438] <... futex resumed>)        = 0
[pid   434] <... futex resumed>)        = 0
[pid   477] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   476] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   475] <... futex resumed>)        = 1
[pid   441] <... futex resumed>)        = 0
[pid   438] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   434] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   477] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   476] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   475] open(".", O_RDONLY <unfinished ...>
[pid   441] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   438] <... futex resumed>)        = 0
[pid   434] <... futex resumed>)        = 0
[pid   477] renameat2(5, "./file0", 5, "./file0/file0", 0 <unfinished ...>
[pid   441] <... futex resumed>)        = 0
[pid   438] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   434] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   475] <... open resumed>)         = 6
[pid   476] open(".", O_RDONLY <unfinished ...>
[pid   477] <... renameat2 resumed>)    = 0
[pid   475] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   441] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   477] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   476] <... open resumed>)         = 6
[pid   475] <... futex resumed>)        = 0
[pid   441] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   477] <... futex resumed>)        = 1
[pid   476] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   434] <... futex resumed>)        = 0
[pid   477] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   476] <... futex resumed>)        = 1
[pid   475] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0" <unfinished ...>
[pid   441] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   438] <... futex resumed>)        = 0
[pid   477] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   476] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   441] <... futex resumed>)        = 0
[pid   438] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   434] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   477] open(".", O_RDONLY <unfinished ...>
[pid   476] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   475] <... symlinkat resumed>)    = 0
[pid   441] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   438] <... futex resumed>)        = 0
[pid   434] <... futex resumed>)        = 0
[pid   477] <... open resumed>)         = 6
[pid   476] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0" <unfinished ...>
[pid   475] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   438] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   434] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   477] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   476] <... symlinkat resumed>)    = 0
[pid   435] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   477] <... futex resumed>)        = 0
[pid   476] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   475] <... futex resumed>)        = 1
[pid   441] <... futex resumed>)        = 0
[pid   435] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   434] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   477] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   476] <... futex resumed>)        = 1
[pid   475] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   441] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   438] <... futex resumed>)        = 0
[pid   435] <... futex resumed>)        = 0
[pid   434] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   477] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   476] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   475] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   441] <... futex resumed>)        = 0
[pid   438] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   434] <... futex resumed>)        = 0
[pid   477] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0" <unfinished ...>
[pid   476] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   475] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL] <unfinished ...>
[pid   443] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
[pid   441] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   439] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
[pid   438] <... futex resumed>)        = 0
[pid   437] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
[pid   434] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   477] <... symlinkat resumed>)    = 0
[pid   476] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL] <unfinished ...>
[pid   475] <... ioctl resumed>)        = 0
[pid   443] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   439] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   438] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   435] <... mmap resumed>)         = 0x7ff0a8305000
[pid   477] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   476] <... ioctl resumed>)        = 0
[pid   475] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   443] <... futex resumed>)        = 0
[pid   439] <... futex resumed>)        = 0
[pid   436] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
[pid   435] mprotect(0x7ff0a8306000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   477] <... futex resumed>)        = 1
[pid   476] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   475] <... futex resumed>)        = 1
[pid   443] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   441] <... futex resumed>)        = 0
[pid   439] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   435] <... mprotect resumed>)     = 0
[pid   434] <... futex resumed>)        = 0
[pid   477] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   476] <... futex resumed>)        = 1
[pid   475] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   443] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   441] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   438] <... futex resumed>)        = 0
[pid   436] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   435] clone(child_stack=0x7ff0a83253f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid   434] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   477] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   476] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   443] renameat2(6, "./file0/file0", 5, "./file0", 0 <unfinished ...>
[pid   441] <... futex resumed>)        = 0
[pid   438] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   436] <... futex resumed>)        = 0
[pid   434] <... futex resumed>)        = 0
[pid   477] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL] <unfinished ...>
[pid   441] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   439] <... futex resumed>)        = 0
[pid   438] <... futex resumed>)        = 1
[pid   436] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   434] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   477] <... ioctl resumed>)        = 0
[pid   443] <... renameat2 resumed>)    = 0
[pid   439] renameat2(6, "./file0/file0", 5, "./file0", 0 <unfinished ...>
[pid   438] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   435] <... clone resumed>, parent_tid=[478], tls=0x7ff0a8325700, child_tidptr=0x7ff0a83259d0) = 478
[pid   477] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   443] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   439] <... renameat2 resumed>)    = 0
[pid   435] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   477] <... futex resumed>)        = 1
[pid   443] <... futex resumed>)        = 1
[pid   441] <... futex resumed>)        = 0
[pid   439] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   435] <... futex resumed>)        = 0
[pid   434] <... futex resumed>)        = 0
[pid   477] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   443] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   441] exit_group(0 <unfinished ...>
[pid   439] <... futex resumed>)        = 1
[pid   438] <... futex resumed>)        = 0
[pid   435] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   434] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   477] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   475] <... futex resumed>)        = ?
[pid   443] <... futex resumed>)        = ?
[pid   441] <... exit_group resumed>)   = ?
[pid   439] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   438] exit_group(0 <unfinished ...>
[pid   437] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   434] <... futex resumed>)        = 0
[pid   477] renameat2(6, "./file0/file0", 5, "./file0", 0 <unfinished ...>
[pid   476] <... futex resumed>)        = ?
[pid   475] +++ exited with 0 +++
[pid   443] +++ exited with 0 +++
[pid   441] +++ exited with 0 +++
[pid   439] <... futex resumed>)        = ?
[pid   438] <... exit_group resumed>)   = ?
[pid   437] <... futex resumed>)        = 0
[pid   434] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   477] <... renameat2 resumed>)    = 0
[pid   476] +++ exited with 0 +++
[pid   444] <... mount resumed>)        = 0
[pid   439] +++ exited with 0 +++
[pid   438] +++ exited with 0 +++
[pid   437] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   373] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=441, si_uid=0, si_status=0, si_utime=7, si_stime=18} ---
[pid   477] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   444] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   477] <... futex resumed>)        = 1
[pid   444] <... openat resumed>)       = 3
[pid   434] <... futex resumed>)        = 0
[pid   477] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   444] chdir("./file0" <unfinished ...>
[pid   434] exit_group(0 <unfinished ...>
[pid   376] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=438, si_uid=0, si_status=0, si_utime=9, si_stime=9} ---
[pid   373] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   477] <... futex resumed>)        = ?
[pid   444] <... chdir resumed>)        = 0
[pid   437] <... futex resumed>)        = ?
[pid   434] <... exit_group resumed>)   = ?
[pid   376] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   373] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   477] +++ exited with 0 +++
[pid   444] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   437] +++ exited with 0 +++
[pid   434] +++ exited with 0 +++
[pid   373] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   444] <... ioctl resumed>)        = 0
[pid   376] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   375] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=434, si_uid=0, si_status=0, si_utime=4, si_stime=14} ---
[pid   373] <... openat resumed>)       = 3
[   26.507025][  T436] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[   26.507032][  T444] F2FS-fs (loop5): Mounted with checkpoint version = 48b305e5
[   26.542614][  T445] F2FS-fs (loop0): Found nat_bits in checkpoint
[pid   444] close(4 <unfinished ...>
[pid   373] fstat(3, ./strace-static-x86_64: Process 478 attached
 <unfinished ...>
[pid   444] <... close resumed>)        = 0
[pid   376] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   373] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   373] getdents64(3, 0x555557436620 /* 4 entries */, 32768) = 112
[pid   373] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   373] lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   373] unlink("./1/binderfs")      = 0
[pid   373] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   478] set_robust_list(0x7ff0a83259e0, 24) = 0
[pid   478] open(".", O_RDONLY)         = 5
[pid   478] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   435] <... futex resumed>)        = 0
[pid   478] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   435] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   436] <... futex resumed>)        = 0
[pid   435] <... futex resumed>)        = 1
[pid   436] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0" <unfinished ...>
[pid   435] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   436] <... symlinkat resumed>)    = 0
[pid   436] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   435] <... futex resumed>)        = 0
[pid   436] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   435] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   436] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   435] <... futex resumed>)        = 0
[pid   436] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000 <unfinished ...>
[pid   435] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   445] <... mount resumed>)        = 0
[pid   444] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   376] <... openat resumed>)       = 3
[pid   445] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   444] <... futex resumed>)        = 1
[pid   436] <... mkdirat resumed>)      = 0
[pid   376] fstat(3,  <unfinished ...>
[pid   375] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   445] <... openat resumed>)       = 3
[pid   444] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   440] <... futex resumed>)        = 0
[pid   376] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   375] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   445] chdir("./file0" <unfinished ...>
[pid   376] getdents64(3,  <unfinished ...>
[pid   375] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   445] <... chdir resumed>)        = 0
[pid   376] <... getdents64 resumed>0x555557436620 /* 4 entries */, 32768) = 112
[pid   375] <... openat resumed>)       = 3
[pid   445] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   376] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   375] fstat(3,  <unfinished ...>
[pid   445] <... ioctl resumed>)        = 0
[pid   376] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   375] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   445] close(4 <unfinished ...>
[pid   376] lstat("./1/binderfs",  <unfinished ...>
[pid   375] getdents64(3,  <unfinished ...>
[pid   445] <... close resumed>)        = 0
[pid   376] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   375] <... getdents64 resumed>0x555557436620 /* 4 entries */, 32768) = 112
[pid   445] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   376] unlink("./1/binderfs" <unfinished ...>
[pid   375] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   445] <... futex resumed>)        = 1
[pid   442] <... futex resumed>)        = 0
[pid   376] <... unlink resumed>)       = 0
[pid   375] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   445] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   442] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   440] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   376] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   375] lstat("./1/binderfs",  <unfinished ...>
[pid   445] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   375] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   445] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid   375] unlink("./1/binderfs" <unfinished ...>
[pid   445] <... open resumed>)         = 4
[pid   375] <... unlink resumed>)       = 0
[pid   445] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   375] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   445] <... futex resumed>)        = 0
[pid   445] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   436] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   436] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   445] <... futex resumed>)        = 0
[pid   442] <... futex resumed>)        = 1
[pid   445] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   442] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   442] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   445] <... futex resumed>)        = 0
[pid   442] <... futex resumed>)        = 1
[pid   445] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[pid   442] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   444] <... futex resumed>)        = 0
[pid   440] <... futex resumed>)        = 1
[pid   435] <... futex resumed>)        = 0
[pid   440] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   435] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   435] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   444] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid   436] <... futex resumed>)        = 0
[pid   444] <... open resumed>)         = 4
[pid   444] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   436] renameat2(5, "./file0", 5, "./file0/file0", 0 <unfinished ...>
[pid   444] <... futex resumed>)        = 1
[pid   440] <... futex resumed>)        = 0
[pid   440] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   440] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   444] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[pid   436] <... renameat2 resumed>)    = 0
[pid   436] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   435] <... futex resumed>)        = 0
[pid   436] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   435] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   436] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   435] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   436] open(".", O_RDONLY)         = 6
[pid   436] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   435] <... futex resumed>)        = 0
[   26.597027][  T445] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[pid   435] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   436] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0" <unfinished ...>
[pid   435] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   436] <... symlinkat resumed>)    = 0
[pid   436] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   435] <... futex resumed>)        = 0
[pid   435] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   436] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL]) = 0
[pid   436] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   435] <... futex resumed>)        = 0
[pid   436] <... futex resumed>)        = 0
[pid   436] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   435] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   435] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   436] <... futex resumed>)        = 0
[pid   435] <... futex resumed>)        = 1
[pid   436] renameat2(6, "./file0/file0", 5, "./file0", 0 <unfinished ...>
[pid   435] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   436] <... renameat2 resumed>)    = 0
[pid   442] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   436] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   442] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   436] <... futex resumed>)        = 1
[pid   442] <... futex resumed>)        = 0
[pid   436] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   435] <... futex resumed>)        = 0
[pid   442] <... mmap resumed>)         = 0x7ff0a8305000
[pid   442] mprotect(0x7ff0a8306000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   435] exit_group(0 <unfinished ...>
[pid   442] <... mprotect resumed>)     = 0
[pid   478] <... futex resumed>)        = ?
[pid   442] clone(child_stack=0x7ff0a83253f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid   436] <... futex resumed>)        = ?
[pid   435] <... exit_group resumed>)   = ?
[pid   478] +++ exited with 0 +++
[pid   436] +++ exited with 0 +++
[pid   435] +++ exited with 0 +++
[pid   442] <... clone resumed>, parent_tid=[481], tls=0x7ff0a8325700, child_tidptr=0x7ff0a83259d0) = 481
[pid   374] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=435, si_uid=0, si_status=0, si_utime=9, si_stime=13} ---
[pid   442] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   442] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   374] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   374] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   374] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   374] getdents64(3, 0x555557436620 /* 4 entries */, 32768) = 112
[pid   374] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   374] lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   374] unlink("./1/binderfs")      = 0
[pid   374] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   445] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
./strace-static-x86_64: Process 481 attached
[pid   440] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   440] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0a8305000
[pid   440] mprotect(0x7ff0a8306000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   481] set_robust_list(0x7ff0a83259e0, 24 <unfinished ...>
[pid   445] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   440] clone(child_stack=0x7ff0a83253f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid   445] <... futex resumed>)        = 0
[pid   481] <... set_robust_list resumed>) = 0
[pid   440] <... clone resumed>, parent_tid=[482], tls=0x7ff0a8325700, child_tidptr=0x7ff0a83259d0) = 482
[pid   440] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   481] open(".", O_RDONLY <unfinished ...>
[pid   445] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   440] <... futex resumed>)        = 0
[pid   440] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   481] <... open resumed>)         = 5
[pid   481] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   442] <... futex resumed>)        = 0
[pid   481] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   442] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   445] <... futex resumed>)        = 0
[pid   442] <... futex resumed>)        = 1
[pid   445] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0" <unfinished ...>
[pid   442] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   445] <... symlinkat resumed>)    = 0
[pid   445] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   442] <... futex resumed>)        = 0
[pid   445] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000 <unfinished ...>
[pid   442] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   445] <... mkdirat resumed>)      = 0
[pid   442] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   445] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   442] <... futex resumed>)        = 0
[pid   445] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   442] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   445] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   442] <... futex resumed>)        = 0
[pid   445] renameat2(5, "./file0", 5, "./file0/file0", 0 <unfinished ...>
[pid   442] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   445] <... renameat2 resumed>)    = 0
[pid   445] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   442] <... futex resumed>)        = 0
[pid   445] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   442] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   445] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   442] <... futex resumed>)        = 0
[pid   445] open(".", O_RDONLY <unfinished ...>
[pid   442] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   445] <... open resumed>)         = 6
[pid   445] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   442] <... futex resumed>)        = 0
[pid   445] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   442] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   445] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   442] <... futex resumed>)        = 0
[pid   445] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0" <unfinished ...>
[pid   442] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   445] <... symlinkat resumed>)    = 0
[pid   445] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   442] <... futex resumed>)        = 0
[pid   445] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid   442] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   445] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL] <unfinished ...>
[pid   442] <... futex resumed>)        = 0
[pid   445] <... ioctl resumed>)        = 0
[pid   442] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   445] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   442] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   445] <... futex resumed>)        = 0
[pid   442] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   445] renameat2(6, "./file0/file0", 5, "./file0", 0 <unfinished ...>
[pid   442] <... futex resumed>)        = 0
[pid   442] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   445] <... renameat2 resumed>)    = 0
[pid   445] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   442] <... futex resumed>)        = 0
[pid   445] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   442] exit_group(0 <unfinished ...>
[pid   481] <... futex resumed>)        = ?
[pid   442] <... exit_group resumed>)   = ?
[pid   445] <... futex resumed>)        = ?
[pid   481] +++ exited with 0 +++
[pid   445] +++ exited with 0 +++
[pid   442] +++ exited with 0 +++
[pid   372] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=442, si_uid=0, si_status=0, si_utime=10, si_stime=12} ---
[pid   372] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   372] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   372] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   372] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   372] getdents64(3, 0x555557436620 /* 4 entries */, 32768) = 112
[pid   372] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   372] lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   372] unlink("./1/binderfs")      = 0
[pid   372] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 482 attached
 <unfinished ...>
[pid   482] set_robust_list(0x7ff0a83259e0, 24) = 0
[pid   482] open(".", O_RDONLY)         = 5
[pid   482] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   440] <... futex resumed>)        = 0
[pid   482] <... futex resumed>)        = 1
[pid   482] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0" <unfinished ...>
[pid   440] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   482] <... symlinkat resumed>)    = 0
[pid   440] <... futex resumed>)        = 0
[pid   482] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   440] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   482] <... futex resumed>)        = 0
[pid   440] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   440] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   482] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000 <unfinished ...>
[pid   440] <... futex resumed>)        = 0
[pid   440] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   482] <... mkdirat resumed>)      = 0
[pid   482] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   440] <... futex resumed>)        = 0
[pid   482] renameat2(5, "./file0", 5, "./file0/file0", 0 <unfinished ...>
[pid   440] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   482] <... renameat2 resumed>)    = 0
[pid   440] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   482] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   440] <... futex resumed>)        = 0
[pid   482] open(".", O_RDONLY <unfinished ...>
[pid   440] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   482] <... open resumed>)         = 6
[pid   440] <... futex resumed>)        = 0
[pid   482] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   440] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   482] <... futex resumed>)        = 0
[pid   482] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   440] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   482] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   440] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   482] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0" <unfinished ...>
[pid   440] <... futex resumed>)        = 0
[pid   440] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   482] <... symlinkat resumed>)    = 0
[pid   482] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   440] <... futex resumed>)        = 0
[pid   482] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL] <unfinished ...>
[pid   440] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   482] <... ioctl resumed>)        = 0
[pid   440] <... futex resumed>)        = 0
[pid   440] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   482] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   440] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   440] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   440] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   482] renameat2(6, "./file0/file0", 5, "./file0", 0) = 0
[pid   482] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   440] <... futex resumed>)        = 0
[pid   482] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   444] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
[pid   444] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   444] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   440] exit_group(0)               = ?
[pid   482] <... futex resumed>)        = ?
[pid   444] <... futex resumed>)        = ?
[pid   482] +++ exited with 0 +++
[pid   444] +++ exited with 0 +++
[pid   440] +++ exited with 0 +++
[pid   377] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=440, si_uid=0, si_status=0, si_utime=8, si_stime=13} ---
[pid   377] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   377] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   377] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   377] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   377] getdents64(3, 0x555557436620 /* 4 entries */, 32768) = 112
[pid   377] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   377] lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   377] unlink("./1/binderfs")      = 0
[pid   377] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   373] <... umount2 resumed>)      = 0
[pid   373] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   373] lstat("./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   373] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   373] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   373] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   373] getdents64(4, 0x55555743e660 /* 2 entries */, 32768) = 48
[pid   373] getdents64(4, 0x55555743e660 /* 0 entries */, 32768) = 0
[pid   373] close(4)                    = 0
[pid   373] rmdir("./1/file0")          = 0
[pid   373] getdents64(3, 0x555557436620 /* 0 entries */, 32768) = 0
[pid   373] close(3)                    = 0
[pid   373] rmdir("./1")                = 0
[pid   373] mkdir("./2", 0777)          = 0
[pid   373] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid   373] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   376] <... umount2 resumed>)      = 0
[pid   376] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   376] lstat("./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   376] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   376] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   376] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   376] getdents64(4, 0x55555743e660 /* 2 entries */, 32768) = 48
[pid   376] getdents64(4, 0x55555743e660 /* 0 entries */, 32768) = 0
[pid   376] close(4)                    = 0
[pid   376] rmdir("./1/file0")          = 0
[pid   376] getdents64(3, 0x555557436620 /* 0 entries */, 32768) = 0
[pid   376] close(3)                    = 0
[pid   376] rmdir("./1")                = 0
[pid   376] mkdir("./2", 0777)          = 0
[pid   376] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid   373] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   373] close(3)                    = 0
[pid   373] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574355d0) = 483
[pid   376] <... openat resumed>)       = 3
[pid   376] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   376] close(3)                    = 0
[pid   376] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574355d0) = 484
./strace-static-x86_64: Process 484 attached
./strace-static-x86_64: Process 483 attached
[pid   483] set_robust_list(0x5555574355e0, 24) = 0
[pid   484] set_robust_list(0x5555574355e0, 24 <unfinished ...>
[pid   483] chdir("./2" <unfinished ...>
[pid   484] <... set_robust_list resumed>) = 0
[pid   483] <... chdir resumed>)        = 0
[pid   483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   483] setpgid(0, 0 <unfinished ...>
[pid   484] chdir("./2" <unfinished ...>
[pid   483] <... setpgid resumed>)      = 0
[pid   484] <... chdir resumed>)        = 0
[pid   483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   484] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   483] <... openat resumed>)       = 3
[pid   484] <... prctl resumed>)        = 0
[pid   484] setpgid(0, 0 <unfinished ...>
[pid   483] write(3, "1000", 4 <unfinished ...>
[pid   484] <... setpgid resumed>)      = 0
[pid   484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   483] <... write resumed>)        = 4
[pid   483] close(3 <unfinished ...>
[pid   484] <... openat resumed>)       = 3
[pid   483] <... close resumed>)        = 0
[pid   484] write(3, "1000", 4 <unfinished ...>
[pid   483] symlink("/dev/binderfs", "./binderfs") = 0
[pid   484] <... write resumed>)        = 4
[pid   484] close(3 <unfinished ...>
[pid   483] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   484] <... close resumed>)        = 0
[pid   483] <... futex resumed>)        = 0
[pid   484] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   483] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   484] <... symlink resumed>)      = 0
[pid   483] <... mmap resumed>)         = 0x7ff0af368000
[pid   483] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   484] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   483] <... mprotect resumed>)     = 0
[pid   484] <... futex resumed>)        = 0
[pid   483] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid   484] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0af368000
[pid   484] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   483] <... clone resumed>, parent_tid=[485], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 485
[pid   484] <... mprotect resumed>)     = 0
[pid   483] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   484] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid   483] <... futex resumed>)        = 0
[pid   484] <... clone resumed>, parent_tid=[486], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 486
[pid   483] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   484] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   484] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 486 attached
 <unfinished ...>
[pid   486] set_robust_list(0x7ff0af3889e0, 24) = 0
./strace-static-x86_64: Process 485 attached
[pid   485] set_robust_list(0x7ff0af3889e0, 24 <unfinished ...>
[pid   486] memfd_create("syzkaller", 0) = 3
[pid   486] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff0a6f68000
[pid   485] <... set_robust_list resumed>) = 0
[pid   485] memfd_create("syzkaller", 0) = 3
[pid   485] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff0a6f68000
[pid   377] <... umount2 resumed>)      = 0
[pid   372] <... umount2 resumed>)      = 0
[pid   372] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   372] lstat("./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   377] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   372] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   377] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   372] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   372] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   372] getdents64(4,  <unfinished ...>
[pid   377] lstat("./1/file0",  <unfinished ...>
[pid   372] <... getdents64 resumed>0x55555743e660 /* 2 entries */, 32768) = 48
[pid   377] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   372] getdents64(4, 0x55555743e660 /* 0 entries */, 32768) = 0
[pid   372] close(4)                    = 0
[pid   377] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   372] rmdir("./1/file0" <unfinished ...>
[pid   377] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   377] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   377] fstat(4,  <unfinished ...>
[pid   372] <... rmdir resumed>)        = 0
[pid   377] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   377] getdents64(4, 0x55555743e660 /* 2 entries */, 32768) = 48
[pid   372] getdents64(3, 0x555557436620 /* 0 entries */, 32768) = 0
[pid   372] close(3)                    = 0
[pid   372] rmdir("./1" <unfinished ...>
[pid   377] getdents64(4, 0x55555743e660 /* 0 entries */, 32768) = 0
[pid   377] close(4)                    = 0
[pid   377] rmdir("./1/file0" <unfinished ...>
[pid   372] <... rmdir resumed>)        = 0
[pid   377] <... rmdir resumed>)        = 0
[pid   377] getdents64(3, 0x555557436620 /* 0 entries */, 32768) = 0
[pid   372] mkdir("./2", 0777 <unfinished ...>
[pid   377] close(3)                    = 0
[pid   377] rmdir("./1")                = 0
[pid   372] <... mkdir resumed>)        = 0
[pid   377] mkdir("./2", 0777 <unfinished ...>
[pid   372] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid   377] <... mkdir resumed>)        = 0
[pid   372] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   377] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid   372] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   372] close(3 <unfinished ...>
[pid   377] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   372] <... close resumed>)        = 0
[pid   372] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   377] close(3)                    = 0
[pid   377] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   372] <... clone resumed>, child_tidptr=0x5555574355d0) = 487
[pid   377] <... clone resumed>, child_tidptr=0x5555574355d0) = 488
./strace-static-x86_64: Process 488 attached
./strace-static-x86_64: Process 487 attached
[pid   488] set_robust_list(0x5555574355e0, 24 <unfinished ...>
[pid   487] set_robust_list(0x5555574355e0, 24 <unfinished ...>
[pid   488] <... set_robust_list resumed>) = 0
[pid   487] <... set_robust_list resumed>) = 0
[pid   487] chdir("./2")                = 0
[pid   487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   487] setpgid(0, 0)               = 0
[pid   487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   488] chdir("./2")                = 0
[pid   487] <... openat resumed>)       = 3
[pid   488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   487] write(3, "1000", 4)         = 4
[pid   487] close(3)                    = 0
[pid   488] setpgid(0, 0 <unfinished ...>
[pid   487] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   488] <... setpgid resumed>)      = 0
[pid   488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   487] <... symlink resumed>)      = 0
[pid   488] <... openat resumed>)       = 3
[pid   487] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   488] write(3, "1000", 4 <unfinished ...>
[pid   487] <... futex resumed>)        = 0
[pid   487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   488] <... write resumed>)        = 4
[pid   487] <... mmap resumed>)         = 0x7ff0af368000
[pid   487] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   488] close(3 <unfinished ...>
[pid   487] <... mprotect resumed>)     = 0
[pid   488] <... close resumed>)        = 0
[pid   487] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid   488] symlink("/dev/binderfs", "./binderfs") = 0
[pid   488] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   487] <... clone resumed>, parent_tid=[489], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 489
[pid   487] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   487] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   488] <... futex resumed>)        = 0
[pid   488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0af368000
[pid   488] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   488] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[490], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 490
[pid   488] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   488] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 490 attached
 <unfinished ...>
[pid   490] set_robust_list(0x7ff0af3889e0, 24) = 0
[pid   490] memfd_create("syzkaller", 0) = 3
[pid   490] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff0a6f68000
./strace-static-x86_64: Process 489 attached
[pid   489] set_robust_list(0x7ff0af3889e0, 24) = 0
[pid   489] memfd_create("syzkaller", 0) = 3
[pid   489] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff0a6f68000
[pid   375] <... umount2 resumed>)      = 0
[pid   374] <... umount2 resumed>)      = 0
[pid   375] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   374] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   375] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   375] lstat("./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   375] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   375] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   375] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   375] getdents64(4, 0x55555743e660 /* 2 entries */, 32768) = 48
[pid   375] getdents64(4, 0x55555743e660 /* 0 entries */, 32768) = 0
[pid   375] close(4)                    = 0
[pid   375] rmdir("./1/file0" <unfinished ...>
[pid   374] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   374] lstat("./1/file0",  <unfinished ...>
[pid   375] <... rmdir resumed>)        = 0
[pid   374] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   375] getdents64(3, 0x555557436620 /* 0 entries */, 32768) = 0
[pid   375] close(3)                    = 0
[pid   375] rmdir("./1")                = 0
[pid   375] mkdir("./2", 0777 <unfinished ...>
[pid   374] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   375] <... mkdir resumed>)        = 0
[pid   374] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   375] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid   375] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   375] close(3)                    = 0
[pid   375] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574355d0) = 491
[pid   374] <... openat resumed>)       = 4
[pid   374] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   374] getdents64(4, 0x55555743e660 /* 2 entries */, 32768) = 48
[pid   374] getdents64(4, 0x55555743e660 /* 0 entries */, 32768) = 0
[pid   374] close(4)                    = 0
[pid   374] rmdir("./1/file0")          = 0
[pid   374] getdents64(3, 0x555557436620 /* 0 entries */, 32768) = 0
[pid   374] close(3)                    = 0
[pid   374] rmdir("./1")                = 0
[pid   374] mkdir("./2", 0777./strace-static-x86_64: Process 491 attached
)          = 0
[pid   374] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid   374] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   491] set_robust_list(0x5555574355e0, 24) = 0
[pid   374] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   374] close(3 <unfinished ...>
[pid   491] chdir("./2" <unfinished ...>
[pid   374] <... close resumed>)        = 0
[pid   374] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   491] <... chdir resumed>)        = 0
[pid   491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   491] setpgid(0, 0)               = 0
[pid   491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   491] write(3, "1000", 4 <unfinished ...>
[pid   374] <... clone resumed>, child_tidptr=0x5555574355d0) = 492
[pid   491] <... write resumed>)        = 4
[pid   491] close(3)                    = 0
[pid   491] symlink("/dev/binderfs", "./binderfs") = 0
[pid   491] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0af368000
[pid   491] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   491] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[493], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 493
[pid   491] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   491] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 492 attached
 <unfinished ...>
[pid   492] set_robust_list(0x5555574355e0, 24) = 0
[pid   492] chdir("./2")                = 0
[pid   492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   492] setpgid(0, 0)               = 0
[pid   492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   492] write(3, "1000", 4)         = 4
[pid   492] close(3)                    = 0
[pid   492] symlink("/dev/binderfs", "./binderfs") = 0
[pid   492] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 493 attached
 <unfinished ...>
[pid   493] set_robust_list(0x7ff0af3889e0, 24) = 0
[pid   493] memfd_create("syzkaller", 0 <unfinished ...>
[pid   492] <... mmap resumed>)         = 0x7ff0af368000
[pid   493] <... memfd_create resumed>) = 3
[pid   493] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff0a6f68000
[pid   492] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   492] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[494], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 494
[pid   492] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   492] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 494 attached
 <unfinished ...>
[pid   494] set_robust_list(0x7ff0af3889e0, 24) = 0
[pid   494] memfd_create("syzkaller", 0) = 3
[pid   494] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff0a6f68000
[pid   485] 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"..., 20699119 <unfinished ...>
[pid   486] 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"..., 20699119 <unfinished ...>
[pid   490] 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"..., 20699119 <unfinished ...>
[pid   489] 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"..., 20699119 <unfinished ...>
[pid   494] 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"..., 20699119 <unfinished ...>
[pid   485] <... write resumed>)        = 20699119
[pid   485] munmap(0x7ff0a6f68000, 20699119) = 0
[pid   485] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[pid   485] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   493] 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"..., 20699119 <unfinished ...>
[pid   485] <... ioctl resumed>)        = 0
[pid   485] close(3)                    = 0
[pid   485] mkdir("./file0", 0777)      = 0
[pid   485] mount("/dev/loop1", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   490] <... write resumed>)        = 20699119
[pid   490] munmap(0x7ff0a6f68000, 20699119) = 0
[pid   490] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4
[pid   490] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   490] close(3)                    = 0
[pid   490] mkdir("./file0", 0777)      = 0
[   27.865745][  T485] F2FS-fs (loop1): Found nat_bits in checkpoint
[   27.893337][  T490] F2FS-fs (loop5): Found nat_bits in checkpoint
[pid   490] mount("/dev/loop5", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   486] <... write resumed>)        = 20699119
[pid   486] munmap(0x7ff0a6f68000, 20699119) = 0
[pid   486] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid   486] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   486] close(3)                    = 0
[pid   486] mkdir("./file0", 0777)      = 0
[pid   486] mount("/dev/loop4", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   485] <... mount resumed>)        = 0
[pid   485] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid   485] chdir("./file0")            = 0
[pid   485] ioctl(4, LOOP_CLR_FD)       = 0
[pid   485] close(4)                    = 0
[pid   485] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   483] <... futex resumed>)        = 0
[pid   483] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   483] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   485] <... futex resumed>)        = 1
[pid   485] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000) = 4
[pid   485] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   483] <... futex resumed>)        = 0
[pid   483] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   483] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   485] <... futex resumed>)        = 1
[   27.921316][  T485] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[pid   485] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[pid   489] <... write resumed>)        = 20699119
[pid   483] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   483] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   483] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0a8305000
[pid   483] mprotect(0x7ff0a8306000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   483] clone(child_stack=0x7ff0a83253f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid   489] munmap(0x7ff0a6f68000, 20699119 <unfinished ...>
[pid   483] <... clone resumed>, parent_tid=[508], tls=0x7ff0a8325700, child_tidptr=0x7ff0a83259d0) = 508
./strace-static-x86_64: Process 508 attached
[pid   489] <... munmap resumed>)       = 0
[pid   483] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   508] set_robust_list(0x7ff0a83259e0, 24 <unfinished ...>
[pid   483] <... futex resumed>)        = 0
[pid   508] <... set_robust_list resumed>) = 0
[pid   485] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
[pid   483] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   508] open(".", O_RDONLY)         = 5
[pid   508] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   489] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid   508] <... futex resumed>)        = 1
[pid   489] <... openat resumed>)       = 4
[pid   485] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   483] <... futex resumed>)        = 0
[pid   508] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   489] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   485] <... futex resumed>)        = 0
[pid   483] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   485] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0" <unfinished ...>
[pid   483] <... futex resumed>)        = 0
[pid   485] <... symlinkat resumed>)    = 0
[pid   483] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   485] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   483] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   485] <... futex resumed>)        = 0
[pid   483] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   485] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000 <unfinished ...>
[pid   483] <... futex resumed>)        = 0
[pid   485] <... mkdirat resumed>)      = 0
[pid   483] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   494] <... write resumed>)        = 20699119
[pid   485] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   483] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   485] <... futex resumed>)        = 0
[pid   483] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   485] renameat2(5, "./file0", 5, "./file0/file0", 0 <unfinished ...>
[pid   483] <... futex resumed>)        = 0
[pid   494] munmap(0x7ff0a6f68000, 20699119 <unfinished ...>
[   27.989164][  T486] F2FS-fs (loop4): Found nat_bits in checkpoint
[pid   493] <... write resumed>)        = 20699119
[pid   485] <... renameat2 resumed>)    = 0
[pid   483] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   485] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   483] <... futex resumed>)        = 0
[pid   485] open(".", O_RDONLY <unfinished ...>
[pid   483] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   485] <... open resumed>)         = 6
[pid   483] <... futex resumed>)        = 0
[pid   485] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   483] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   494] <... munmap resumed>)       = 0
[pid   485] <... futex resumed>)        = 0
[pid   483] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   485] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0" <unfinished ...>
[pid   483] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   494] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid   485] <... symlinkat resumed>)    = 0
[pid   483] <... futex resumed>)        = 0
[pid   485] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   483] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   485] <... futex resumed>)        = 0
[pid   483] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   485] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   483] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   485] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   483] <... futex resumed>)        = 0
[pid   485] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL] <unfinished ...>
[pid   483] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   485] <... ioctl resumed>)        = 0
[pid   485] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   493] munmap(0x7ff0a6f68000, 20699119 <unfinished ...>
[pid   485] <... futex resumed>)        = 1
[pid   483] <... futex resumed>)        = 0
[pid   485] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   483] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   485] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   483] <... futex resumed>)        = 0
[pid   493] <... munmap resumed>)       = 0
[pid   486] <... mount resumed>)        = 0
[pid   493] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid   486] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid   486] chdir("./file0")            = 0
[pid   483] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   486] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   489] <... ioctl resumed>)        = 0
[pid   486] <... ioctl resumed>)        = 0
[pid   485] renameat2(6, "./file0/file0", 5, "./file0", 0 <unfinished ...>
[pid   486] close(4)                    = 0
[pid   486] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   486] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   494] <... openat resumed>)       = 4
[pid   493] <... openat resumed>)       = 4
[pid   494] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   493] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   489] close(3)                    = 0
[pid   489] mkdir("./file0", 0777)      = 0
[pid   489] mount("/dev/loop0", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   484] <... futex resumed>)        = 0
[pid   484] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   486] <... futex resumed>)        = 0
[pid   484] <... futex resumed>)        = 1
[pid   486] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid   484] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   486] <... open resumed>)         = 4
[pid   486] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   484] <... futex resumed>)        = 0
[pid   486] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   484] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   486] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   484] <... futex resumed>)        = 0
[pid   486] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[pid   484] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   493] <... ioctl resumed>)        = 0
[pid   490] <... mount resumed>)        = 0
[pid   485] <... renameat2 resumed>)    = 0
[pid   493] close(3 <unfinished ...>
[pid   490] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   485] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   493] <... close resumed>)        = 0
[pid   490] <... openat resumed>)       = 3
[pid   490] chdir("./file0" <unfinished ...>
[pid   493] mkdir("./file0", 0777 <unfinished ...>
[pid   490] <... chdir resumed>)        = 0
[pid   485] <... futex resumed>)        = 1
[pid   483] <... futex resumed>)        = 0
[pid   490] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   483] exit_group(0 <unfinished ...>
[pid   490] <... ioctl resumed>)        = 0
[pid   483] <... exit_group resumed>)   = ?
[pid   490] close(4 <unfinished ...>
[pid   493] <... mkdir resumed>)        = 0
[pid   508] <... futex resumed>)        = 0
[pid   490] <... close resumed>)        = 0
[pid   493] mount("/dev/loop3", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   508] +++ exited with 0 +++
[pid   490] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   488] <... futex resumed>)        = 0
[pid   490] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid   488] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   490] <... open resumed>)         = 4
[pid   488] <... futex resumed>)        = 0
[pid   485] +++ exited with 0 +++
[pid   483] +++ exited with 0 +++
[pid   490] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   488] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   490] <... futex resumed>)        = 0
[pid   488] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   490] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[pid   488] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   373] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=483, si_uid=0, si_status=0, si_utime=7, si_stime=12} ---
[pid   488] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   373] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   373] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   373] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   373] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   373] getdents64(3, 0x555557436620 /* 4 entries */, 32768) = 112
[pid   373] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   373] lstat("./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   373] unlink("./2/binderfs")      = 0
[pid   373] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   494] <... ioctl resumed>)        = 0
[pid   494] close(3 <unfinished ...>
[pid   490] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
[pid   490] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   488] <... futex resumed>)        = 0
[pid   488] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   488] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   490] <... futex resumed>)        = 1
[pid   490] open(".", O_RDONLY)         = 5
[pid   490] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   488] <... futex resumed>)        = 0
[pid   488] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   488] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   490] <... futex resumed>)        = 1
[pid   490] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0" <unfinished ...>
[pid   494] <... close resumed>)        = 0
[pid   494] mkdir("./file0", 0777 <unfinished ...>
[pid   490] <... symlinkat resumed>)    = 0
[pid   490] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   488] <... futex resumed>)        = 0
[pid   494] <... mkdir resumed>)        = 0
[pid   488] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   488] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   494] mount("/dev/loop2", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   490] <... futex resumed>)        = 1
[pid   490] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000) = 0
[pid   490] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   488] <... futex resumed>)        = 0
[pid   488] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   488] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   490] <... futex resumed>)        = 1
[pid   490] renameat2(5, "./file0", 5, "./file0/file0", 0) = 0
[pid   490] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   488] <... futex resumed>)        = 0
[pid   488] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   28.043238][  T486] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5
[   28.052310][  T490] F2FS-fs (loop5): Mounted with checkpoint version = 48b305e5
[pid   488] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   490] <... futex resumed>)        = 1
[pid   490] open(".", O_RDONLY)         = 6
[pid   490] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   488] <... futex resumed>)        = 0
[pid   488] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   488] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   490] <... futex resumed>)        = 1
[pid   490] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0") = 0
[pid   490] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   488] <... futex resumed>)        = 0
[pid   488] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   488] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   490] <... futex resumed>)        = 1
[pid   490] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL]) = 0
[pid   490] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   488] <... futex resumed>)        = 0
[pid   488] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   488] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   490] <... futex resumed>)        = 1
[pid   490] renameat2(6, "./file0/file0", 5, "./file0", 0) = 0
[pid   490] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   488] <... futex resumed>)        = 0
[pid   488] exit_group(0)               = ?
[pid   490] <... futex resumed>)        = ?
[pid   490] +++ exited with 0 +++
[pid   488] +++ exited with 0 +++
[pid   377] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=488, si_uid=0, si_status=0, si_utime=10, si_stime=17} ---
[pid   377] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   377] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   377] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   377] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   377] getdents64(3, 0x555557436620 /* 4 entries */, 32768) = 112
[pid   377] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   377] lstat("./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   377] unlink("./2/binderfs")      = 0
[pid   377] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   484] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   484] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   484] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0a8305000
[pid   484] mprotect(0x7ff0a8306000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   484] clone(child_stack=0x7ff0a83253f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[520], tls=0x7ff0a8325700, child_tidptr=0x7ff0a83259d0) = 520
[pid   484] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   484] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 520 attached
 <unfinished ...>
[pid   520] set_robust_list(0x7ff0a83259e0, 24) = 0
[pid   520] open(".", O_RDONLY)         = 5
[pid   520] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   520] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   484] <... futex resumed>)        = 0
[pid   484] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   484] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   520] <... futex resumed>)        = 0
[pid   520] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0") = 0
[pid   520] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   484] <... futex resumed>)        = 0
[pid   520] <... futex resumed>)        = 1
[pid   484] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   520] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000 <unfinished ...>
[pid   484] <... futex resumed>)        = 0
[pid   484] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   520] <... mkdirat resumed>)      = 0
[pid   520] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   484] <... futex resumed>)        = 0
[pid   520] <... futex resumed>)        = 1
[pid   484] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   520] renameat2(5, "./file0", 5, "./file0/file0", 0 <unfinished ...>
[pid   484] <... futex resumed>)        = 0
[pid   484] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   520] <... renameat2 resumed>)    = 0
[pid   520] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   484] <... futex resumed>)        = 0
[pid   520] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   484] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   520] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   484] <... futex resumed>)        = 0
[pid   520] open(".", O_RDONLY <unfinished ...>
[pid   484] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   520] <... open resumed>)         = 6
[pid   520] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   484] <... futex resumed>)        = 0
[pid   520] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   484] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   520] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   484] <... futex resumed>)        = 0
[pid   520] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0" <unfinished ...>
[pid   484] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   520] <... symlinkat resumed>)    = 0
[pid   520] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   484] <... futex resumed>)        = 0
[pid   520] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   484] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   520] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   484] <... futex resumed>)        = 0
[pid   520] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL] <unfinished ...>
[pid   484] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   520] <... ioctl resumed>)        = 0
[pid   520] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   484] <... futex resumed>)        = 0
[pid   520] <... futex resumed>)        = 1
[pid   484] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   520] renameat2(6, "./file0/file0", 5, "./file0", 0 <unfinished ...>
[pid   484] <... futex resumed>)        = 0
[pid   484] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   520] <... renameat2 resumed>)    = 0
[pid   520] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   484] <... futex resumed>)        = 0
[pid   520] <... futex resumed>)        = 1
[pid   520] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   486] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
[pid   486] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   484] exit_group(0 <unfinished ...>
[pid   520] <... futex resumed>)        = ?
[pid   484] <... exit_group resumed>)   = ?
[pid   520] +++ exited with 0 +++
[pid   486] +++ exited with 0 +++
[pid   484] +++ exited with 0 +++
[pid   376] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=484, si_uid=0, si_status=0, si_utime=6, si_stime=13} ---
[pid   376] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   376] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   376] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   376] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   376] getdents64(3, 0x555557436620 /* 4 entries */, 32768) = 112
[pid   376] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   376] lstat("./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   376] unlink("./2/binderfs")      = 0
[   28.122819][  T489] F2FS-fs (loop0): Found nat_bits in checkpoint
[   28.142984][  T493] F2FS-fs (loop3): Found nat_bits in checkpoint
[   28.153487][  T494] F2FS-fs (loop2): Found nat_bits in checkpoint
[pid   376] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   494] <... mount resumed>)        = 0
[pid   494] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid   494] chdir("./file0")            = 0
[pid   494] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   493] <... mount resumed>)        = 0
[pid   489] <... mount resumed>)        = 0
[pid   494] <... ioctl resumed>)        = 0
[pid   493] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   494] close(4 <unfinished ...>
[pid   489] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   493] <... openat resumed>)       = 3
[pid   493] chdir("./file0" <unfinished ...>
[pid   489] <... openat resumed>)       = 3
[pid   493] <... chdir resumed>)        = 0
[pid   489] chdir("./file0" <unfinished ...>
[pid   493] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   489] <... chdir resumed>)        = 0
[pid   489] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   377] <... umount2 resumed>)      = 0
[pid   377] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   377] lstat("./2/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   377] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   377] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   377] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   377] getdents64(4, 0x55555743e660 /* 2 entries */, 32768) = 48
[pid   377] getdents64(4, 0x55555743e660 /* 0 entries */, 32768) = 0
[pid   377] close(4)                    = 0
[pid   377] rmdir("./2/file0")          = 0
[pid   377] getdents64(3, 0x555557436620 /* 0 entries */, 32768) = 0
[pid   377] close(3)                    = 0
[pid   377] rmdir("./2")                = 0
[pid   377] mkdir("./3", 0777)          = 0
[pid   377] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid   377] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   377] close(3)                    = 0
[pid   377] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574355d0) = 527
./strace-static-x86_64: Process 527 attached
[pid   527] set_robust_list(0x5555574355e0, 24) = 0
[pid   527] chdir("./3")                = 0
[pid   527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   527] setpgid(0, 0)               = 0
[pid   527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   527] write(3, "1000", 4)         = 4
[pid   527] close(3)                    = 0
[pid   527] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   494] <... close resumed>)        = 0
[pid   493] <... ioctl resumed>)        = 0
[pid   489] <... ioctl resumed>)        = 0
[pid   494] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   492] <... futex resumed>)        = 0
[pid   494] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid   492] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   494] <... open resumed>)         = 4
[pid   492] <... futex resumed>)        = 0
[pid   494] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   492] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   494] <... futex resumed>)        = 0
[pid   492] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[   28.240769][  T494] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[   28.257371][  T489] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[   28.259676][  T493] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5
[pid   494] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[pid   492] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   493] close(4 <unfinished ...>
[pid   492] <... futex resumed>)        = 0
[pid   489] close(4 <unfinished ...>
[pid   492] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   527] <... symlink resumed>)      = 0
[pid   527] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   527] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0af368000
[pid   527] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   527] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[528], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 528
[pid   527] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   527] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 528 attached
 <unfinished ...>
[pid   528] set_robust_list(0x7ff0af3889e0, 24) = 0
[pid   528] memfd_create("syzkaller", 0) = 3
[pid   528] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff0a6f68000
[pid   494] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
[pid   494] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   492] <... futex resumed>)        = 0
[pid   492] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   492] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   494] <... futex resumed>)        = 1
[pid   494] open(".", O_RDONLY)         = 5
[pid   494] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   492] <... futex resumed>)        = 0
[pid   492] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   492] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   493] <... close resumed>)        = 0
[pid   373] <... umount2 resumed>)      = 0
[pid   494] <... futex resumed>)        = 1
[pid   494] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0") = 0
[pid   494] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   492] <... futex resumed>)        = 0
[pid   492] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   492] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   493] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   489] <... close resumed>)        = 0
[pid   493] <... futex resumed>)        = 1
[pid   491] <... futex resumed>)        = 0
[pid   489] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   493] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   491] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   489] <... futex resumed>)        = 1
[pid   493] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   491] <... futex resumed>)        = 0
[pid   489] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   487] <... futex resumed>)        = 0
[pid   493] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid   491] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   487] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   493] <... open resumed>)         = 4
[pid   489] <... futex resumed>)        = 0
[pid   487] <... futex resumed>)        = 1
[pid   493] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   489] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid   487] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   493] <... futex resumed>)        = 1
[pid   491] <... futex resumed>)        = 0
[pid   493] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   491] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   489] <... open resumed>)         = 4
[pid   493] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   491] <... futex resumed>)        = 0
[pid   489] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   493] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[pid   491] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   489] <... futex resumed>)        = 1
[pid   487] <... futex resumed>)        = 0
[pid   494] <... futex resumed>)        = 1
[pid   494] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000) = 0
[pid   494] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   492] <... futex resumed>)        = 0
[pid   492] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   492] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   494] <... futex resumed>)        = 1
[pid   494] renameat2(5, "./file0", 5, "./file0/file0", 0) = 0
[pid   487] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   489] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[pid   487] <... futex resumed>)        = 0
[pid   494] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   492] <... futex resumed>)        = 0
[pid   492] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   492] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   494] <... futex resumed>)        = 1
[pid   494] open(".", O_RDONLY)         = 6
[pid   494] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   492] <... futex resumed>)        = 0
[pid   492] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   492] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   494] <... futex resumed>)        = 1
[pid   494] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0") = 0
[pid   494] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   492] <... futex resumed>)        = 0
[pid   492] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   492] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   494] <... futex resumed>)        = 1
[pid   494] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL]) = 0
[pid   494] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   492] <... futex resumed>)        = 0
[pid   492] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   492] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   494] <... futex resumed>)        = 1
[pid   494] renameat2(6, "./file0/file0", 5, "./file0", 0) = 0
[pid   494] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   492] <... futex resumed>)        = 0
[pid   492] exit_group(0)               = ?
[pid   494] <... futex resumed>)        = ?
[pid   494] +++ exited with 0 +++
[pid   492] +++ exited with 0 +++
[pid   374] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=492, si_uid=0, si_status=0, si_utime=7, si_stime=13} ---
[pid   374] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   374] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   487] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   374] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   374] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   374] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   374] getdents64(3, 0x555557436620 /* 4 entries */, 32768) = 112
[pid   374] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   374] lstat("./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   374] unlink("./2/binderfs")      = 0
[pid   374] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   373] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   373] lstat("./2/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   373] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   373] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   373] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   373] getdents64(4, 0x55555743e660 /* 2 entries */, 32768) = 48
[pid   373] getdents64(4, 0x55555743e660 /* 0 entries */, 32768) = 0
[pid   373] close(4)                    = 0
[pid   373] rmdir("./2/file0")          = 0
[pid   373] getdents64(3, 0x555557436620 /* 0 entries */, 32768) = 0
[pid   373] close(3)                    = 0
[pid   373] rmdir("./2")                = 0
[pid   373] mkdir("./3", 0777)          = 0
[pid   373] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid   373] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   373] close(3)                    = 0
[pid   373] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574355d0) = 529
./strace-static-x86_64: Process 529 attached
[pid   529] set_robust_list(0x5555574355e0, 24) = 0
[pid   529] chdir("./3")                = 0
[pid   529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   529] setpgid(0, 0 <unfinished ...>
[pid   491] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   529] <... setpgid resumed>)      = 0
[pid   491] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0a8305000
[pid   529] <... openat resumed>)       = 3
[pid   491] mprotect(0x7ff0a8306000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   529] write(3, "1000", 4 <unfinished ...>
[pid   491] <... mprotect resumed>)     = 0
[pid   529] <... write resumed>)        = 4
[pid   491] clone(child_stack=0x7ff0a83253f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid   529] close(3)                    = 0
[pid   529] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   491] <... clone resumed>, parent_tid=[530], tls=0x7ff0a8325700, child_tidptr=0x7ff0a83259d0) = 530
[pid   529] <... symlink resumed>)      = 0
[pid   491] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   529] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   491] <... futex resumed>)        = 0
[pid   529] <... futex resumed>)        = 0
[pid   491] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0af368000
[pid   529] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   529] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[531], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 531
[pid   529] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   529] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 530 attached
 <unfinished ...>
[pid   530] set_robust_list(0x7ff0a83259e0, 24 <unfinished ...>
[pid   489] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
[pid   530] <... set_robust_list resumed>) = 0
[pid   530] open(".", O_RDONLY)         = 5
[pid   530] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   491] <... futex resumed>)        = 0
[pid   530] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   491] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   530] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   491] <... futex resumed>)        = 0
[pid   530] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0" <unfinished ...>
[pid   491] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   530] <... symlinkat resumed>)    = 0
[pid   487] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   530] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   487] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   530] <... futex resumed>)        = 1
[pid   491] <... futex resumed>)        = 0
[pid   487] <... futex resumed>)        = 0
[pid   530] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   491] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   530] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   491] <... futex resumed>)        = 0
[pid   487] <... mmap resumed>)         = 0x7ff0a8305000
[pid   530] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000 <unfinished ...>
[pid   491] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   489] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   487] mprotect(0x7ff0a8306000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   530] <... mkdirat resumed>)      = 0
[pid   489] <... futex resumed>)        = 0
[pid   487] <... mprotect resumed>)     = 0
[pid   530] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   489] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   487] clone(child_stack=0x7ff0a83253f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid   530] <... futex resumed>)        = 1
[pid   491] <... futex resumed>)        = 0
[pid   530] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   491] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   487] <... clone resumed>, parent_tid=[532], tls=0x7ff0a8325700, child_tidptr=0x7ff0a83259d0) = 532
[pid   530] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   491] <... futex resumed>)        = 0
[pid   487] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   530] renameat2(5, "./file0", 5, "./file0/file0", 0 <unfinished ...>
[pid   491] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   487] <... futex resumed>)        = 0
[pid   530] <... renameat2 resumed>)    = 0
[pid   487] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   530] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   491] <... futex resumed>)        = 0
[pid   530] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   491] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   530] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   491] <... futex resumed>)        = 0
[pid   530] open(".", O_RDONLY <unfinished ...>
[pid   491] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   530] <... open resumed>)         = 6
[pid   530] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 531 attached
) = 1
[pid   491] <... futex resumed>)        = 0
[pid   530] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   491] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   530] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   491] <... futex resumed>)        = 0
[pid   530] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0" <unfinished ...>
[pid   491] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   530] <... symlinkat resumed>)    = 0
[pid   531] set_robust_list(0x7ff0af3889e0, 24 <unfinished ...>
[pid   530] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 532 attached
 <unfinished ...>
[pid   531] <... set_robust_list resumed>) = 0
[pid   530] <... futex resumed>)        = 1
[pid   491] <... futex resumed>)        = 0
[pid   530] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   491] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   530] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   491] <... futex resumed>)        = 0
[pid   530] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL] <unfinished ...>
[pid   491] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   530] <... ioctl resumed>)        = 0
[pid   532] set_robust_list(0x7ff0a83259e0, 24 <unfinished ...>
[pid   531] memfd_create("syzkaller", 0 <unfinished ...>
[pid   530] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   532] <... set_robust_list resumed>) = 0
[pid   531] <... memfd_create resumed>) = 3
[pid   530] <... futex resumed>)        = 1
[pid   491] <... futex resumed>)        = 0
[pid   532] open(".", O_RDONLY <unfinished ...>
[pid   531] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   530] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   491] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   532] <... open resumed>)         = 5
[pid   531] <... mmap resumed>)         = 0x7ff0a6f68000
[pid   530] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   491] <... futex resumed>)        = 0
[pid   532] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   530] renameat2(6, "./file0/file0", 5, "./file0", 0 <unfinished ...>
[pid   491] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   532] <... futex resumed>)        = 1
[pid   530] <... renameat2 resumed>)    = 0
[pid   487] <... futex resumed>)        = 0
[pid   532] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   530] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   487] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   530] <... futex resumed>)        = 1
[pid   491] <... futex resumed>)        = 0
[pid   489] <... futex resumed>)        = 0
[pid   487] <... futex resumed>)        = 1
[pid   530] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   489] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0" <unfinished ...>
[pid   487] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   489] <... symlinkat resumed>)    = 0
[pid   489] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   487] <... futex resumed>)        = 0
[pid   489] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   487] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   489] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   487] <... futex resumed>)        = 0
[pid   489] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000 <unfinished ...>
[pid   487] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   489] <... mkdirat resumed>)      = 0
[pid   489] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   487] <... futex resumed>)        = 0
[pid   489] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   487] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   489] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   487] <... futex resumed>)        = 0
[pid   489] renameat2(5, "./file0", 5, "./file0/file0", 0 <unfinished ...>
[pid   487] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   489] <... renameat2 resumed>)    = 0
[pid   489] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   487] <... futex resumed>)        = 0
[pid   489] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   487] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   489] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   487] <... futex resumed>)        = 0
[pid   489] open(".", O_RDONLY <unfinished ...>
[pid   487] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   489] <... open resumed>)         = 6
[pid   489] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   487] <... futex resumed>)        = 0
[pid   489] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   487] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   489] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   487] <... futex resumed>)        = 0
[pid   489] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0" <unfinished ...>
[pid   487] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   489] <... symlinkat resumed>)    = 0
[pid   489] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   487] <... futex resumed>)        = 0
[pid   489] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   487] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   489] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   487] <... futex resumed>)        = 0
[pid   489] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL] <unfinished ...>
[pid   487] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   489] <... ioctl resumed>)        = 0
[pid   489] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   487] <... futex resumed>)        = 0
[pid   489] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   487] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   489] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   487] <... futex resumed>)        = 0
[pid   489] renameat2(6, "./file0/file0", 5, "./file0", 0 <unfinished ...>
[pid   487] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   489] <... renameat2 resumed>)    = 0
[pid   489] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   487] <... futex resumed>)        = 0
[pid   489] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   487] exit_group(0 <unfinished ...>
[pid   532] <... futex resumed>)        = ?
[pid   489] <... futex resumed>)        = ?
[pid   487] <... exit_group resumed>)   = ?
[pid   532] +++ exited with 0 +++
[pid   489] +++ exited with 0 +++
[pid   487] +++ exited with 0 +++
[pid   372] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=487, si_uid=0, si_status=0, si_utime=8, si_stime=11} ---
[pid   493] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
[pid   372] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   372] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   372] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   372] getdents64(3,  <unfinished ...>
[pid   493] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   372] <... getdents64 resumed>0x555557436620 /* 4 entries */, 32768) = 112
[pid   491] exit_group(0 <unfinished ...>
[pid   372] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   530] <... futex resumed>)        = ?
[pid   491] <... exit_group resumed>)   = ?
[pid   530] +++ exited with 0 +++
[pid   372] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   372] lstat("./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   372] unlink("./2/binderfs")      = 0
[pid   372] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   493] <... futex resumed>)        = ?
[pid   376] <... umount2 resumed>)      = 0
[pid   376] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   376] lstat("./2/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   376] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   376] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   376] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   376] getdents64(4, 0x55555743e660 /* 2 entries */, 32768) = 48
[pid   376] getdents64(4, 0x55555743e660 /* 0 entries */, 32768) = 0
[pid   376] close(4)                    = 0
[pid   376] rmdir("./2/file0")          = 0
[pid   376] getdents64(3, 0x555557436620 /* 0 entries */, 32768) = 0
[pid   376] close(3)                    = 0
[pid   376] rmdir("./2")                = 0
[pid   376] mkdir("./3", 0777)          = 0
[pid   376] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid   376] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   376] close(3 <unfinished ...>
[pid   493] +++ exited with 0 +++
[pid   491] +++ exited with 0 +++
[pid   376] <... close resumed>)        = 0
[pid   375] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=491, si_uid=0, si_status=0, si_utime=10, si_stime=9} ---
[pid   375] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   375] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   375] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   375] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   375] getdents64(3, 0x555557436620 /* 4 entries */, 32768) = 112
[pid   375] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   375] lstat("./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   375] unlink("./2/binderfs")      = 0
[pid   375] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   376] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574355d0) = 533
./strace-static-x86_64: Process 533 attached
[pid   533] set_robust_list(0x5555574355e0, 24) = 0
[pid   533] chdir("./3")                = 0
[pid   533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   533] setpgid(0, 0)               = 0
[pid   533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   533] write(3, "1000", 4)         = 4
[pid   533] close(3)                    = 0
[pid   533] symlink("/dev/binderfs", "./binderfs") = 0
[pid   533] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0af368000
[pid   533] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   533] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[534], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 534
[pid   533] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   533] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 534 attached
 <unfinished ...>
[pid   534] set_robust_list(0x7ff0af3889e0, 24) = 0
[pid   534] memfd_create("syzkaller", 0) = 3
[pid   534] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff0a6f68000
[pid   528] 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"..., 20699119) = 20699119
[pid   528] munmap(0x7ff0a6f68000, 20699119) = 0
[pid   528] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4
[pid   528] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   374] <... umount2 resumed>)      = 0
[pid   374] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   374] lstat("./2/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   374] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   374] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   374] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   374] getdents64(4, 0x55555743e660 /* 2 entries */, 32768) = 48
[pid   374] getdents64(4, 0x55555743e660 /* 0 entries */, 32768) = 0
[pid   374] close(4)                    = 0
[pid   374] rmdir("./2/file0")          = 0
[pid   374] getdents64(3,  <unfinished ...>
[pid   528] <... ioctl resumed>)        = 0
[pid   374] <... getdents64 resumed>0x555557436620 /* 0 entries */, 32768) = 0
[pid   374] close(3)                    = 0
[pid   528] close(3)                    = 0
[pid   528] mkdir("./file0", 0777)      = 0
[pid   528] mount("/dev/loop5", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   374] rmdir("./2")                = 0
[pid   374] mkdir("./3", 0777)          = 0
[pid   374] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid   374] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   374] close(3)                    = 0
[pid   374] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574355d0) = 537
[pid   372] <... umount2 resumed>)      = 0
[pid   372] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   372] lstat("./2/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   372] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   372] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   372] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   372] getdents64(4, 0x55555743e660 /* 2 entries */, 32768) = 48
[pid   372] getdents64(4, 0x55555743e660 /* 0 entries */, 32768) = 0
[pid   372] close(4)                    = 0
[pid   372] rmdir("./2/file0")          = 0
[pid   372] getdents64(3, 0x555557436620 /* 0 entries */, 32768) = 0
[pid   372] close(3)                    = 0
[pid   372] rmdir("./2")                = 0
[pid   372] mkdir("./3", 0777)          = 0
[pid   372] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid   372] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   372] close(3)                    = 0
[pid   372] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574355d0) = 539
./strace-static-x86_64: Process 537 attached
[pid   537] set_robust_list(0x5555574355e0, 24) = 0
[pid   537] chdir("./3")                = 0
[pid   537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   537] setpgid(0, 0)               = 0
[pid   537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   537] write(3, "1000", 4)         = 4
[pid   537] close(3)                    = 0
[pid   537] symlink("/dev/binderfs", "./binderfs") = 0
[pid   537] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 539 attached
) = 0
[pid   375] <... umount2 resumed>)      = 0
[pid   539] set_robust_list(0x5555574355e0, 24 <unfinished ...>
[pid   537] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   375] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   539] <... set_robust_list resumed>) = 0
[pid   537] <... mmap resumed>)         = 0x7ff0af368000
[pid   375] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   539] chdir("./3" <unfinished ...>
[pid   537] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   534] 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"..., 20699119 <unfinished ...>
[pid   375] lstat("./2/file0",  <unfinished ...>
[pid   539] <... chdir resumed>)        = 0
[pid   537] <... mprotect resumed>)     = 0
[pid   375] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   539] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   537] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid   375] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   539] <... prctl resumed>)        = 0
[pid   375] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   539] setpgid(0, 0 <unfinished ...>
[pid   537] <... clone resumed>, parent_tid=[541], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 541
[pid   375] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   539] <... setpgid resumed>)      = 0
[pid   537] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   375] <... openat resumed>)       = 4
[pid   539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   537] <... futex resumed>)        = 0
[pid   375] fstat(4,  <unfinished ...>
[pid   539] <... openat resumed>)       = 3
[pid   537] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   375] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   539] write(3, "1000", 4)         = 4
[pid   375] getdents64(4,  <unfinished ...>
[pid   539] close(3 <unfinished ...>
[pid   375] <... getdents64 resumed>0x55555743e660 /* 2 entries */, 32768) = 48
[pid   539] <... close resumed>)        = 0
[pid   539] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   375] getdents64(4, ./strace-static-x86_64: Process 541 attached
 <unfinished ...>
[pid   539] <... symlink resumed>)      = 0
[pid   531] 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"..., 20699119 <unfinished ...>
[pid   375] <... getdents64 resumed>0x55555743e660 /* 0 entries */, 32768) = 0
[pid   539] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   375] close(4 <unfinished ...>
[pid   539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   375] <... close resumed>)        = 0
[pid   539] <... mmap resumed>)         = 0x7ff0af368000
[pid   375] rmdir("./2/file0")          = 0
[pid   539] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   375] getdents64(3, 0x555557436620 /* 0 entries */, 32768) = 0
[pid   539] <... mprotect resumed>)     = 0
[pid   375] close(3 <unfinished ...>
[pid   539] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID <unfinished ...>
[pid   375] <... close resumed>)        = 0
[pid   541] set_robust_list(0x7ff0af3889e0, 24 <unfinished ...>
[pid   375] rmdir("./2" <unfinished ...>
[pid   541] <... set_robust_list resumed>) = 0
[pid   539] <... clone resumed>, parent_tid=[542], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 542
[pid   375] <... rmdir resumed>)        = 0
[pid   539] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   375] mkdir("./3", 0777 <unfinished ...>
[pid   539] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   375] <... mkdir resumed>)        = 0
[pid   375] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid   541] memfd_create("syzkaller", 0 <unfinished ...>
[pid   375] <... openat resumed>)       = 3
[pid   541] <... memfd_create resumed>) = 3
[pid   375] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   541] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   375] close(3 <unfinished ...>
[pid   541] <... mmap resumed>)         = 0x7ff0a6f68000
[pid   375] <... close resumed>)        = 0
[pid   375] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574355d0) = 543
./strace-static-x86_64: Process 543 attached
[pid   543] set_robust_list(0x5555574355e0, 24) = 0
./strace-static-x86_64: Process 542 attached
[pid   542] set_robust_list(0x7ff0af3889e0, 24) = 0
[pid   542] memfd_create("syzkaller", 0 <unfinished ...>
[pid   543] chdir("./3")                = 0
[pid   543] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   543] setpgid(0, 0)               = 0
[pid   543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   542] <... memfd_create resumed>) = 3
[pid   542] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff0a6f68000
[pid   543] <... openat resumed>)       = 3
[pid   543] write(3, "1000", 4)         = 4
[pid   543] close(3)                    = 0
[pid   543] symlink("/dev/binderfs", "./binderfs") = 0
[pid   543] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0af368000
[pid   543] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   543] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[544], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 544
[pid   543] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   543] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 544 attached
 <unfinished ...>
[pid   544] set_robust_list(0x7ff0af3889e0, 24) = 0
[pid   544] memfd_create("syzkaller", 0) = 3
[pid   544] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff0a6f68000
[   28.839890][  T528] F2FS-fs (loop5): Found nat_bits in checkpoint
[pid   534] <... write resumed>)        = 20699119
[pid   534] munmap(0x7ff0a6f68000, 20699119) = 0
[pid   534] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid   534] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   534] close(3)                    = 0
[pid   534] mkdir("./file0", 0777)      = 0
[pid   534] mount("/dev/loop4", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   528] <... mount resumed>)        = 0
[pid   528] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid   528] chdir("./file0")            = 0
[pid   528] ioctl(4, LOOP_CLR_FD)       = 0
[   28.937929][  T528] F2FS-fs (loop5): Mounted with checkpoint version = 48b305e5
[pid   528] close(4)                    = 0
[pid   528] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   527] <... futex resumed>)        = 0
[pid   527] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   527] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   528] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000) = 4
[pid   528] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   527] <... futex resumed>)        = 0
[pid   527] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   527] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   528] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[pid   544] 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"..., 20699119 <unfinished ...>
[pid   527] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   527] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   527] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0a8305000
[pid   527] mprotect(0x7ff0a8306000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   527] clone(child_stack=0x7ff0a83253f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[550], tls=0x7ff0a8325700, child_tidptr=0x7ff0a83259d0) = 550
[pid   527] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   527] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 550 attached
 <unfinished ...>
[pid   550] set_robust_list(0x7ff0a83259e0, 24) = 0
[pid   550] open(".", O_RDONLY)         = 5
[pid   534] <... mount resumed>)        = 0
[pid   550] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   534] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   550] <... futex resumed>)        = 1
[pid   527] <... futex resumed>)        = 0
[pid   550] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   534] <... openat resumed>)       = 3
[pid   527] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   550] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   534] chdir("./file0" <unfinished ...>
[pid   527] <... futex resumed>)        = 0
[pid   550] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0" <unfinished ...>
[pid   534] <... chdir resumed>)        = 0
[pid   527] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   550] <... symlinkat resumed>)    = 0
[pid   534] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   550] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   534] <... ioctl resumed>)        = 0
[pid   550] <... futex resumed>)        = 1
[pid   534] close(4 <unfinished ...>
[pid   531] <... write resumed>)        = 20699119
[pid   527] <... futex resumed>)        = 0
[pid   550] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   534] <... close resumed>)        = 0
[pid   531] munmap(0x7ff0a6f68000, 20699119 <unfinished ...>
[pid   527] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   550] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   534] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   527] <... futex resumed>)        = 0
[pid   550] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000 <unfinished ...>
[pid   534] <... futex resumed>)        = 1
[pid   533] <... futex resumed>)        = 0
[pid   531] <... munmap resumed>)       = 0
[pid   527] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   550] <... mkdirat resumed>)      = 0
[pid   534] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   533] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   531] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid   550] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   534] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   533] <... futex resumed>)        = 0
[pid   531] <... openat resumed>)       = 4
[pid   550] <... futex resumed>)        = 1
[pid   534] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid   533] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   531] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   527] <... futex resumed>)        = 0
[pid   550] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   534] <... open resumed>)         = 4
[pid   527] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   550] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   534] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   527] <... futex resumed>)        = 0
[pid   550] renameat2(5, "./file0", 5, "./file0/file0", 0 <unfinished ...>
[pid   534] <... futex resumed>)        = 1
[pid   533] <... futex resumed>)        = 0
[pid   527] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   550] <... renameat2 resumed>)    = 0
[pid   534] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[   29.032779][  T534] F2FS-fs (loop4): Found nat_bits in checkpoint
[   29.072183][  T534] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5
[pid   533] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   550] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   534] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   533] <... futex resumed>)        = 0
[pid   550] <... futex resumed>)        = 1
[pid   534] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[pid   533] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   527] <... futex resumed>)        = 0
[pid   550] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid   527] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   550] open(".", O_RDONLY <unfinished ...>
[pid   527] <... futex resumed>)        = 0
[pid   550] <... open resumed>)         = 6
[pid   527] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   550] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   527] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   550] <... futex resumed>)        = 0
[pid   527] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   550] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0" <unfinished ...>
[pid   527] <... futex resumed>)        = 0
[pid   550] <... symlinkat resumed>)    = 0
[pid   527] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   550] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   527] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   550] <... futex resumed>)        = 0
[pid   527] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   550] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL] <unfinished ...>
[pid   527] <... futex resumed>)        = 0
[pid   550] <... ioctl resumed>)        = 0
[pid   527] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   550] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   527] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   550] <... futex resumed>)        = 0
[pid   527] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   550] renameat2(6, "./file0/file0", 5, "./file0", 0 <unfinished ...>
[pid   527] <... futex resumed>)        = 0
[pid   550] <... renameat2 resumed>)    = 0
[pid   528] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
[pid   527] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   550] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   527] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   550] <... futex resumed>)        = 0
[pid   550] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   531] <... ioctl resumed>)        = 0
[pid   531] close(3)                    = 0
[pid   531] mkdir("./file0", 0777 <unfinished ...>
[pid   528] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   531] <... mkdir resumed>)        = 0
[pid   531] mount("/dev/loop1", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   528] <... futex resumed>)        = 0
[pid   528] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   527] exit_group(0 <unfinished ...>
[pid   550] <... futex resumed>)        = ?
[pid   527] <... exit_group resumed>)   = ?
[pid   550] +++ exited with 0 +++
[pid   528] <... futex resumed>)        = ?
[pid   528] +++ exited with 0 +++
[pid   527] +++ exited with 0 +++
[pid   377] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=527, si_uid=0, si_status=0, si_utime=7, si_stime=10} ---
[pid   377] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   377] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   377] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   377] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   377] getdents64(3, 0x555557436620 /* 4 entries */, 32768) = 112
[pid   377] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   377] lstat("./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   377] unlink("./3/binderfs")      = 0
[pid   377] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   533] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   533] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0a8305000
[pid   533] mprotect(0x7ff0a8306000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   533] clone(child_stack=0x7ff0a83253f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[556], tls=0x7ff0a8325700, child_tidptr=0x7ff0a83259d0) = 556
[pid   533] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   533] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 556 attached
 <unfinished ...>
[pid   534] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
[pid   556] set_robust_list(0x7ff0a83259e0, 24 <unfinished ...>
[pid   534] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   556] <... set_robust_list resumed>) = 0
[pid   534] <... futex resumed>)        = 0
[pid   556] open(".", O_RDONLY)         = 5
[pid   534] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   556] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   533] <... futex resumed>)        = 0
[pid   556] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   533] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   534] <... futex resumed>)        = 0
[pid   533] <... futex resumed>)        = 1
[pid   534] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0" <unfinished ...>
[pid   533] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   534] <... symlinkat resumed>)    = 0
[pid   534] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   533] <... futex resumed>)        = 0
[pid   534] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   533] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   534] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   533] <... futex resumed>)        = 0
[pid   534] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000 <unfinished ...>
[pid   533] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   534] <... mkdirat resumed>)      = 0
[pid   534] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   533] <... futex resumed>)        = 0
[pid   534] renameat2(5, "./file0", 5, "./file0/file0", 0 <unfinished ...>
[pid   533] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   533] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   534] <... renameat2 resumed>)    = 0
[pid   534] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   533] <... futex resumed>)        = 0
[pid   534] open(".", O_RDONLY <unfinished ...>
[pid   533] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   534] <... open resumed>)         = 6
[pid   533] <... futex resumed>)        = 0
[pid   533] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   534] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   533] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   534] <... futex resumed>)        = 0
[pid   533] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   534] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0" <unfinished ...>
[pid   533] <... futex resumed>)        = 0
[pid   533] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   534] <... symlinkat resumed>)    = 0
[pid   534] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   533] <... futex resumed>)        = 0
[pid   533] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   533] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   534] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL]) = 0
[pid   534] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   533] <... futex resumed>)        = 0
[pid   533] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   533] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   534] renameat2(6, "./file0/file0", 5, "./file0", 0) = 0
[pid   534] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   533] <... futex resumed>)        = 0
[pid   533] exit_group(0 <unfinished ...>
[pid   534] ????( <unfinished ...>
[pid   556] <... futex resumed>)        = ?
[pid   534] <... ???? resumed>)         = ?
[pid   533] <... exit_group resumed>)   = ?
[pid   556] +++ exited with 0 +++
[pid   534] +++ exited with 0 +++
[pid   533] +++ exited with 0 +++
[pid   376] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=533, si_uid=0, si_status=0, si_utime=8, si_stime=13} ---
[pid   376] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   376] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   376] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   376] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   376] getdents64(3, 0x555557436620 /* 4 entries */, 32768) = 112
[pid   376] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   376] lstat("./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   376] unlink("./3/binderfs")      = 0
[pid   376] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   544] <... write resumed>)        = 20699119
[   29.151162][  T531] F2FS-fs (loop1): Found nat_bits in checkpoint
[pid   544] munmap(0x7ff0a6f68000, 20699119) = 0
[pid   544] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[pid   544] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   544] close(3)                    = 0
[pid   544] mkdir("./file0", 0777)      = 0
[pid   544] mount("/dev/loop3", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   531] <... mount resumed>)        = 0
[pid   531] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid   531] chdir("./file0")            = 0
[pid   531] ioctl(4, LOOP_CLR_FD)       = 0
[pid   531] close(4)                    = 0
[pid   531] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   529] <... futex resumed>)        = 0
[pid   531] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   529] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   531] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   529] <... futex resumed>)        = 0
[pid   531] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid   529] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   531] <... open resumed>)         = 4
[pid   531] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   529] <... futex resumed>)        = 0
[pid   531] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   529] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   531] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   529] <... futex resumed>)        = 0
[pid   531] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[   29.295784][  T531] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[pid   529] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   531] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
[pid   531] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   529] <... futex resumed>)        = 0
[pid   531] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   529] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   531] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   529] <... futex resumed>)        = 0
[pid   531] open(".", O_RDONLY <unfinished ...>
[pid   529] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   531] <... open resumed>)         = 5
[pid   531] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   529] <... futex resumed>)        = 0
[pid   531] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   529] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   531] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   529] <... futex resumed>)        = 0
[pid   531] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0" <unfinished ...>
[pid   529] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   531] <... symlinkat resumed>)    = 0
[pid   531] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   529] <... futex resumed>)        = 0
[pid   531] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   529] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   531] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   529] <... futex resumed>)        = 0
[pid   531] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000 <unfinished ...>
[pid   529] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   531] <... mkdirat resumed>)      = 0
[pid   531] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   529] <... futex resumed>)        = 0
[pid   531] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   529] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   531] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   529] <... futex resumed>)        = 0
[pid   531] renameat2(5, "./file0", 5, "./file0/file0", 0 <unfinished ...>
[pid   529] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   531] <... renameat2 resumed>)    = 0
[pid   531] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   529] <... futex resumed>)        = 0
[pid   531] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   529] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   531] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   529] <... futex resumed>)        = 0
[pid   531] open(".", O_RDONLY <unfinished ...>
[pid   529] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   531] <... open resumed>)         = 6
[pid   531] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   529] <... futex resumed>)        = 0
[pid   531] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   529] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   531] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   529] <... futex resumed>)        = 0
[pid   531] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0" <unfinished ...>
[pid   529] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   531] <... symlinkat resumed>)    = 0
[pid   531] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   529] <... futex resumed>)        = 0
[pid   531] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   529] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   531] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   529] <... futex resumed>)        = 0
[pid   531] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL] <unfinished ...>
[pid   529] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   531] <... ioctl resumed>)        = 0
[pid   531] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   377] <... umount2 resumed>)      = 0
[pid   531] <... futex resumed>)        = 1
[pid   529] <... futex resumed>)        = 0
[pid   377] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   531] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   529] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   531] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   529] <... futex resumed>)        = 0
[pid   531] renameat2(6, "./file0/file0", 5, "./file0", 0 <unfinished ...>
[pid   529] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   377] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   531] <... renameat2 resumed>)    = 0
[pid   377] lstat("./3/file0",  <unfinished ...>
[pid   531] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   377] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   531] <... futex resumed>)        = 1
[pid   529] <... futex resumed>)        = 0
[pid   377] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[   29.353960][  T544] F2FS-fs (loop3): Found nat_bits in checkpoint
[pid   531] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   529] exit_group(0 <unfinished ...>
[pid   377] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   531] <... futex resumed>)        = ?
[pid   529] <... exit_group resumed>)   = ?
[pid   377] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   531] +++ exited with 0 +++
[pid   529] +++ exited with 0 +++
[pid   377] <... openat resumed>)       = 4
[pid   377] fstat(4,  <unfinished ...>
[pid   373] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=529, si_uid=0, si_status=0, si_utime=8, si_stime=16} ---
[pid   377] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   373] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   377] getdents64(4,  <unfinished ...>
[pid   373] <... restart_syscall resumed>) = 0
[pid   377] <... getdents64 resumed>0x55555743e660 /* 2 entries */, 32768) = 48
[pid   377] getdents64(4, 0x55555743e660 /* 0 entries */, 32768) = 0
[pid   373] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   377] close(4 <unfinished ...>
[pid   373] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   377] <... close resumed>)        = 0
[pid   373] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   377] rmdir("./3/file0" <unfinished ...>
[pid   373] <... openat resumed>)       = 3
[pid   377] <... rmdir resumed>)        = 0
[pid   373] fstat(3,  <unfinished ...>
[pid   377] getdents64(3,  <unfinished ...>
[pid   373] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   377] <... getdents64 resumed>0x555557436620 /* 0 entries */, 32768) = 0
[pid   373] getdents64(3,  <unfinished ...>
[pid   377] close(3 <unfinished ...>
[pid   373] <... getdents64 resumed>0x555557436620 /* 4 entries */, 32768) = 112
[pid   377] <... close resumed>)        = 0
[pid   373] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   377] rmdir("./3" <unfinished ...>
[pid   373] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   373] lstat("./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   377] <... rmdir resumed>)        = 0
[pid   373] unlink("./3/binderfs" <unfinished ...>
[pid   377] mkdir("./4", 0777 <unfinished ...>
[pid   373] <... unlink resumed>)       = 0
[pid   373] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   377] <... mkdir resumed>)        = 0
[pid   377] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid   377] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   377] close(3)                    = 0
[pid   377] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574355d0) = 562
./strace-static-x86_64: Process 562 attached
[pid   562] set_robust_list(0x5555574355e0, 24) = 0
[pid   562] chdir("./4")                = 0
[pid   562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   562] setpgid(0, 0)               = 0
[pid   562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   562] write(3, "1000", 4)         = 4
[pid   562] close(3)                    = 0
[pid   562] symlink("/dev/binderfs", "./binderfs") = 0
[pid   562] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   542] 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"..., 20699119 <unfinished ...>
[pid   562] <... futex resumed>)        = 0
[pid   562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0af368000
[pid   562] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   562] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[563], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 563
[pid   562] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   562] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 563 attached
 <unfinished ...>
[pid   563] set_robust_list(0x7ff0af3889e0, 24) = 0
[pid   563] memfd_create("syzkaller", 0) = 3
[pid   563] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff0a6f68000
[pid   541] 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"..., 20699119 <unfinished ...>
[pid   376] <... umount2 resumed>)      = 0
[pid   376] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   376] lstat("./3/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   376] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   376] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   376] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   376] getdents64(4, 0x55555743e660 /* 2 entries */, 32768) = 48
[pid   376] getdents64(4, 0x55555743e660 /* 0 entries */, 32768) = 0
[pid   376] close(4)                    = 0
[pid   376] rmdir("./3/file0")          = 0
[pid   376] getdents64(3, 0x555557436620 /* 0 entries */, 32768) = 0
[pid   376] close(3)                    = 0
[pid   376] rmdir("./3")                = 0
[pid   376] mkdir("./4", 0777)          = 0
[pid   376] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid   376] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   376] close(3)                    = 0
[pid   376] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574355d0) = 564
./strace-static-x86_64: Process 564 attached
[pid   564] set_robust_list(0x5555574355e0, 24) = 0
[pid   564] chdir("./4")                = 0
[pid   564] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   564] setpgid(0, 0)               = 0
[pid   564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   564] write(3, "1000", 4)         = 4
[pid   564] close(3)                    = 0
[pid   564] symlink("/dev/binderfs", "./binderfs") = 0
[pid   564] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0af368000
[pid   564] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   564] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[566], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 566
[pid   564] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   564] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 566 attached
 <unfinished ...>
[pid   544] <... mount resumed>)        = 0
[pid   566] set_robust_list(0x7ff0af3889e0, 24) = 0
[pid   566] memfd_create("syzkaller", 0) = 3
[pid   566] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff0a6f68000
[pid   544] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid   544] chdir("./file0")            = 0
[pid   544] ioctl(4, LOOP_CLR_FD)       = 0
[pid   544] close(4)                    = 0
[pid   544] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   543] <... futex resumed>)        = 0
[pid   543] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   543] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   544] <... futex resumed>)        = 1
[pid   544] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000) = 4
[pid   544] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   543] <... futex resumed>)        = 0
[pid   543] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   543] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   544] <... futex resumed>)        = 1
[pid   544] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[pid   542] <... write resumed>)        = 20699119
[pid   542] munmap(0x7ff0a6f68000, 20699119) = 0
[pid   542] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   542] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   542] close(3)                    = 0
[pid   542] mkdir("./file0", 0777)      = 0
[   29.556990][  T544] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5
[pid   542] mount("/dev/loop0", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   543] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   543] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   543] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0a8305000
[pid   543] mprotect(0x7ff0a8306000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   543] clone(child_stack=0x7ff0a83253f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[568], tls=0x7ff0a8325700, child_tidptr=0x7ff0a83259d0) = 568
[pid   543] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   543] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 568 attached
 <unfinished ...>
[pid   568] set_robust_list(0x7ff0a83259e0, 24) = 0
[pid   568] open(".", O_RDONLY)         = 5
[pid   568] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   543] <... futex resumed>)        = 0
[pid   543] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   543] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   568] <... futex resumed>)        = 1
[pid   568] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0") = 0
[pid   568] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   543] <... futex resumed>)        = 0
[pid   543] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   543] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   568] <... futex resumed>)        = 1
[pid   568] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000) = 0
[pid   568] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   543] <... futex resumed>)        = 0
[pid   568] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   543] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   568] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   543] <... futex resumed>)        = 0
[pid   568] renameat2(5, "./file0", 5, "./file0/file0", 0 <unfinished ...>
[pid   543] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   568] <... renameat2 resumed>)    = 0
[pid   568] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   543] <... futex resumed>)        = 0
[pid   568] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   543] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   568] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   543] <... futex resumed>)        = 0
[pid   568] open(".", O_RDONLY <unfinished ...>
[pid   543] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   568] <... open resumed>)         = 6
[pid   568] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   543] <... futex resumed>)        = 0
[pid   568] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   543] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   568] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   543] <... futex resumed>)        = 0
[pid   568] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0" <unfinished ...>
[pid   543] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   568] <... symlinkat resumed>)    = 0
[pid   568] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   543] <... futex resumed>)        = 0
[pid   543] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   543] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   568] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL]) = 0
[pid   568] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   543] <... futex resumed>)        = 0
[pid   568] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   543] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   568] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   543] <... futex resumed>)        = 0
[pid   568] renameat2(6, "./file0/file0", 5, "./file0", 0 <unfinished ...>
[pid   566] 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"..., 20699119 <unfinished ...>
[pid   543] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   568] <... renameat2 resumed>)    = 0
[pid   568] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   543] <... futex resumed>)        = 0
[pid   568] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[   29.711319][  T558] handle_bad_sector: 73 callbacks suppressed
[   29.711330][  T558] attempt to access beyond end of device
[   29.711330][  T558] loop3: rw=2049, want=45120, limit=40427
[   29.711337][  T544] attempt to access beyond end of device
[   29.711337][  T544] loop3: rw=2049, want=81432, limit=40427
[   29.712869][  T544] attempt to access beyond end of device
[   29.712869][  T544] loop3: rw=2049, want=81920, limit=40427
[pid   563] 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"..., 20699119 <unfinished ...>
[pid   566] <... write resumed>)        = 20699119
[   29.761699][  T542] F2FS-fs (loop0): Found nat_bits in checkpoint
[pid   566] munmap(0x7ff0a6f68000, 20699119 <unfinished ...>
[pid   541] <... write resumed>)        = 20699119
[pid   541] munmap(0x7ff0a6f68000, 20699119) = 0
[pid   541] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[pid   541] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   566] <... munmap resumed>)       = 0
[pid   566] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid   541] <... ioctl resumed>)        = 0
[pid   566] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   544] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
[pid   544] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   544] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   541] close(3)                    = 0
[pid   541] mkdir("./file0", 0777 <unfinished ...>
[pid   543] exit_group(0)               = ?
[pid   568] <... futex resumed>)        = ?
[pid   544] <... futex resumed>)        = ?
[pid   544] +++ exited with 0 +++
[pid   568] +++ exited with 0 +++
[pid   543] +++ exited with 0 +++
[pid   375] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=543, si_uid=0, si_status=0, si_utime=8, si_stime=20} ---
[pid   541] <... mkdir resumed>)        = 0
[pid   541] mount("/dev/loop2", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   375] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   375] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   375] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   375] getdents64(3, 0x555557436620 /* 4 entries */, 32768) = 112
[pid   375] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   375] lstat("./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   375] unlink("./3/binderfs")      = 0
[pid   375] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   566] <... ioctl resumed>)        = 0
[pid   566] close(3)                    = 0
[pid   566] mkdir("./file0", 0777)      = 0
[pid   566] mount("/dev/loop4", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   373] <... umount2 resumed>)      = 0
[pid   373] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   373] lstat("./3/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   373] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   373] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   373] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   373] getdents64(4, 0x55555743e660 /* 2 entries */, 32768) = 48
[pid   373] getdents64(4, 0x55555743e660 /* 0 entries */, 32768) = 0
[pid   373] close(4)                    = 0
[pid   373] rmdir("./3/file0")          = 0
[pid   373] getdents64(3, 0x555557436620 /* 0 entries */, 32768) = 0
[pid   373] close(3)                    = 0
[pid   373] rmdir("./3")                = 0
[pid   373] mkdir("./4", 0777)          = 0
[pid   373] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid   373] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   373] close(3)                    = 0
[pid   373] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574355d0) = 575
./strace-static-x86_64: Process 575 attached
[pid   575] set_robust_list(0x5555574355e0, 24) = 0
[pid   575] chdir("./4")                = 0
[pid   575] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   575] setpgid(0, 0)               = 0
[pid   575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   575] write(3, "1000", 4)         = 4
[pid   575] close(3)                    = 0
[pid   575] symlink("/dev/binderfs", "./binderfs") = 0
[pid   575] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0af368000
[pid   575] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE) = 0
[   29.808013][  T544] attempt to access beyond end of device
[   29.808013][  T544] loop3: rw=2049, want=51264, limit=40427
[   29.819298][  T544] attempt to access beyond end of device
[   29.819298][  T544] loop3: rw=2049, want=49160, limit=40427
[pid   575] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[576], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 576
[pid   575] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   575] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 576 attached
 <unfinished ...>
[pid   576] set_robust_list(0x7ff0af3889e0, 24) = 0
[pid   576] memfd_create("syzkaller", 0) = 3
[pid   576] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff0a6f68000
[   29.884277][  T566] F2FS-fs (loop4): Found nat_bits in checkpoint
[   29.903328][  T541] F2FS-fs (loop2): Found nat_bits in checkpoint
[pid   566] <... mount resumed>)        = 0
[pid   566] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid   566] chdir("./file0")            = 0
[pid   566] ioctl(4, LOOP_CLR_FD)       = 0
[pid   566] close(4)                    = 0
[pid   566] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   564] <... futex resumed>)        = 0
[pid   564] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   564] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   566] <... futex resumed>)        = 1
[pid   566] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000) = 4
[pid   566] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   564] <... futex resumed>)        = 0
[pid   564] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   564] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   566] <... futex resumed>)        = 1
[pid   566] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[pid   563] <... write resumed>)        = 20699119
[pid   563] munmap(0x7ff0a6f68000, 20699119) = 0
[pid   563] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4
[pid   563] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   542] <... mount resumed>)        = 0
[pid   542] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid   542] chdir("./file0")            = 0
[pid   542] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   563] <... ioctl resumed>)        = 0
[pid   542] <... ioctl resumed>)        = 0
[pid   563] close(3 <unfinished ...>
[pid   542] close(4 <unfinished ...>
[pid   563] <... close resumed>)        = 0
[pid   542] <... close resumed>)        = 0
[pid   563] mkdir("./file0", 0777 <unfinished ...>
[pid   542] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   563] <... mkdir resumed>)        = 0
[pid   542] <... futex resumed>)        = 1
[pid   539] <... futex resumed>)        = 0
[pid   563] mount("/dev/loop5", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   542] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid   539] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   542] <... open resumed>)         = 4
[pid   539] <... futex resumed>)        = 0
[pid   542] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   539] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   542] <... futex resumed>)        = 0
[pid   539] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   542] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[pid   539] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   539] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   564] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   564] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0a8305000
[pid   564] mprotect(0x7ff0a8306000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   564] clone(child_stack=0x7ff0a83253f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[585], tls=0x7ff0a8325700, child_tidptr=0x7ff0a83259d0) = 585
[pid   564] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   564] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 585 attached
 <unfinished ...>
[pid   585] set_robust_list(0x7ff0a83259e0, 24) = 0
[pid   585] open(".", O_RDONLY)         = 5
[pid   585] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   564] <... futex resumed>)        = 0
[pid   564] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   564] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   585] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0") = 0
[pid   585] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   564] <... futex resumed>)        = 0
[pid   564] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   564] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   585] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000) = 0
[pid   585] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   564] <... futex resumed>)        = 0
[pid   564] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   564] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   585] renameat2(5, "./file0", 5, "./file0/file0", 0) = 0
[pid   585] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   564] <... futex resumed>)        = 0
[pid   564] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   564] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   585] open(".", O_RDONLY)         = 6
[   29.942457][  T566] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5
[   29.967253][  T542] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[pid   585] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   564] <... futex resumed>)        = 0
[pid   564] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   564] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   585] <... futex resumed>)        = 1
[pid   585] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0") = 0
[pid   585] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   564] <... futex resumed>)        = 0
[pid   564] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   564] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   585] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL]) = 0
[pid   585] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   564] <... futex resumed>)        = 0
[pid   564] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   564] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   585] renameat2(6, "./file0/file0", 5, "./file0", 0 <unfinished ...>
[pid   539] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   539] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0a8305000
[pid   539] mprotect(0x7ff0a8306000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   539] clone(child_stack=0x7ff0a83253f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[587], tls=0x7ff0a8325700, child_tidptr=0x7ff0a83259d0) = 587
[pid   539] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   539] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 587 attached
 <unfinished ...>
[pid   587] set_robust_list(0x7ff0a83259e0, 24) = 0
[pid   587] open(".", O_RDONLY)         = 5
[pid   587] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   539] <... futex resumed>)        = 0
[pid   539] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   539] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   587] <... futex resumed>)        = 1
[pid   587] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0") = 0
[pid   587] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   539] <... futex resumed>)        = 0
[pid   539] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   539] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   587] <... futex resumed>)        = 1
[pid   587] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000) = 0
[   30.032524][  T574] attempt to access beyond end of device
[   30.032524][  T574] loop4: rw=2049, want=45120, limit=40427
[   30.047667][  T542] attempt to access beyond end of device
[   30.047667][  T542] loop0: rw=2049, want=81920, limit=40427
[   30.064457][  T542] attempt to access beyond end of device
[   30.064457][  T542] loop0: rw=2049, want=51272, limit=40427
[   30.069341][  T566] attempt to access beyond end of device
[pid   585] <... renameat2 resumed>)    = 0
[pid   564] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   587] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   539] <... futex resumed>)        = 0
[pid   539] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   539] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   587] <... futex resumed>)        = 1
[pid   587] renameat2(5, "./file0", 5, "./file0/file0", 0) = 0
[pid   587] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   539] <... futex resumed>)        = 0
[pid   539] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   539] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   587] <... futex resumed>)        = 1
[pid   587] open(".", O_RDONLY)         = 6
[pid   587] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   539] <... futex resumed>)        = 0
[pid   539] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   539] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   587] <... futex resumed>)        = 1
[pid   587] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0") = 0
[pid   587] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   539] <... futex resumed>)        = 0
[pid   539] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   539] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   587] <... futex resumed>)        = 1
[pid   587] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL]) = 0
[pid   587] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   539] <... futex resumed>)        = 0
[pid   539] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   539] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   587] <... futex resumed>)        = 1
[pid   587] renameat2(6, "./file0/file0", 5, "./file0", 0 <unfinished ...>
[pid   585] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   566] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
[pid   542] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
[pid   587] <... renameat2 resumed>)    = 0
[pid   587] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   539] <... futex resumed>)        = 0
[pid   587] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   585] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   566] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   542] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   566] <... futex resumed>)        = 0
[pid   566] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   542] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   564] exit_group(0 <unfinished ...>
[pid   585] <... futex resumed>)        = ?
[pid   564] <... exit_group resumed>)   = ?
[pid   585] +++ exited with 0 +++
[pid   539] exit_group(0 <unfinished ...>
[pid   587] <... futex resumed>)        = ?
[pid   539] <... exit_group resumed>)   = ?
[pid   587] +++ exited with 0 +++
[pid   542] <... futex resumed>)        = ?
[pid   566] <... futex resumed>)        = ?
[pid   542] +++ exited with 0 +++
[pid   539] +++ exited with 0 +++
[pid   566] +++ exited with 0 +++
[pid   564] +++ exited with 0 +++
[pid   376] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=564, si_uid=0, si_status=0, si_utime=6, si_stime=15} ---
[pid   372] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=539, si_uid=0, si_status=0, si_utime=10, si_stime=14} ---
[pid   372] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   372] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   372] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   372] getdents64(3, 0x555557436620 /* 4 entries */, 32768) = 112
[pid   376] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   372] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   376] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   372] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   376] <... openat resumed>)       = 3
[pid   372] lstat("./3/binderfs",  <unfinished ...>
[pid   376] fstat(3,  <unfinished ...>
[pid   372] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   376] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   376] getdents64(3,  <unfinished ...>
[pid   372] unlink("./3/binderfs" <unfinished ...>
[pid   376] <... getdents64 resumed>0x555557436620 /* 4 entries */, 32768) = 112
[pid   376] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   372] <... unlink resumed>)       = 0
[pid   376] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   372] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   376] lstat("./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   376] unlink("./4/binderfs")      = 0
[pid   376] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   541] <... mount resumed>)        = 0
[pid   541] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid   541] chdir("./file0")            = 0
[pid   541] ioctl(4, LOOP_CLR_FD)       = 0
[pid   541] close(4)                    = 0
[pid   541] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   541] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   537] <... futex resumed>)        = 0
[pid   537] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   537] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   541] <... futex resumed>)        = 0
[pid   541] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000) = 4
[pid   541] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   537] <... futex resumed>)        = 0
[pid   537] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   537] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[   30.069341][  T566] loop4: rw=2049, want=51264, limit=40427
[   30.076330][  T542] attempt to access beyond end of device
[   30.076330][  T542] loop0: rw=2049, want=51256, limit=40427
[   30.098540][  T541] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[   30.106468][  T563] F2FS-fs (loop5): Found nat_bits in checkpoint
[pid   541] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[pid   375] <... umount2 resumed>)      = 0
[pid   375] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   375] lstat("./3/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   375] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   375] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   375] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   375] getdents64(4, 0x55555743e660 /* 2 entries */, 32768) = 48
[pid   375] getdents64(4, 0x55555743e660 /* 0 entries */, 32768) = 0
[pid   375] close(4)                    = 0
[pid   375] rmdir("./3/file0")          = 0
[pid   375] getdents64(3, 0x555557436620 /* 0 entries */, 32768) = 0
[pid   375] close(3)                    = 0
[pid   375] rmdir("./3")                = 0
[pid   375] mkdir("./4", 0777)          = 0
[pid   375] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid   375] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   375] close(3)                    = 0
[pid   375] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574355d0) = 591
./strace-static-x86_64: Process 591 attached
[pid   591] set_robust_list(0x5555574355e0, 24) = 0
[pid   591] chdir("./4" <unfinished ...>
[pid   563] <... mount resumed>)        = 0
[pid   537] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   537] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   537] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   537] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0a8305000
[pid   537] mprotect(0x7ff0a8306000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   537] clone(child_stack=0x7ff0a83253f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[593], tls=0x7ff0a8325700, child_tidptr=0x7ff0a83259d0) = 593
[pid   537] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   537] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   591] <... chdir resumed>)        = 0
[pid   563] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 593 attached
 <unfinished ...>
[pid   593] set_robust_list(0x7ff0a83259e0, 24) = 0
[pid   593] open(".", O_RDONLY)         = 5
[pid   593] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   537] <... futex resumed>)        = 0
[pid   537] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   537] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   593] <... futex resumed>)        = 1
[pid   593] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0") = 0
[pid   593] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   537] <... futex resumed>)        = 0
[pid   537] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   537] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   593] <... futex resumed>)        = 1
[pid   593] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000) = 0
[pid   593] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   537] <... futex resumed>)        = 0
[pid   537] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   537] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   593] <... futex resumed>)        = 1
[pid   593] renameat2(5, "./file0", 5, "./file0/file0", 0) = 0
[pid   593] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   537] <... futex resumed>)        = 0
[pid   537] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   537] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   593] <... futex resumed>)        = 1
[pid   593] open(".", O_RDONLY)         = 6
[pid   593] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   537] <... futex resumed>)        = 0
[pid   537] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   537] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   593] <... futex resumed>)        = 1
[pid   593] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0") = 0
[pid   593] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   537] <... futex resumed>)        = 0
[pid   537] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   30.196549][  T430] ------------[ cut here ]------------
[   30.202282][  T563] F2FS-fs (loop5): Mounted with checkpoint version = 48b305e5
[   30.210168][  T430] kernel BUG at mm/filemap.c:1504!
[   30.215773][  T430] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   30.221838][  T430] CPU: 1 PID: 430 Comm: kworker/u4:3 Not tainted 5.10.161-syzkaller-00019-g416c4356f372 #0
[   30.231794][  T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
[   30.241848][  T430] Workqueue: writeback wb_workfn (flush-7:4)
[   30.247847][  T430] RIP: 0010:end_page_writeback+0x28c/0x2a0
[   30.253648][  T430] Code: 32 de ff 49 ff cc e9 d9 fe ff ff e8 1e 32 de ff 49 ff ce 4d 89 f7 eb 8c e8 11 32 de ff 49 ff cc e9 65 fe ff ff e8 04 32 de ff <0f> 0b e8 fd 31 de ff 4c 89 ff e8 75 85 1d 00 eb 87 0f 1f 00 55 48
[   30.273268][  T430] RSP: 0018:ffffc90000ed66d8 EFLAGS: 00010293
[   30.279334][  T430] RAX: ffffffff818eefac RBX: 0000000000000000 RCX: ffff88810a6be2c0
[   30.287296][  T430] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   30.295257][  T430] RBP: ffffc90000ed6700 R08: ffffffff818eee8e R09: fffff94000850ff9
[   30.303217][  T430] R10: fffff94000850ff9 R11: 1ffffd4000850ff8 R12: ffffea0004287fc0
[   30.311178][  T430] R13: 1ffffd4000850ff9 R14: ffffea0004287fc8 R15: ffffea0004287fc0
[   30.319144][  T430] FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   30.328058][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.334630][  T430] CR2: 00007ff0af46a948 CR3: 000000010910d000 CR4: 00000000003506a0
[   30.342593][  T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   30.350557][  T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   30.358511][  T430] Call Trace:
[   30.361795][  T430]  f2fs_write_end_io+0x597/0x950
[   30.366725][  T430]  ? f2fs_read_end_io+0x4b0/0x4b0
[   30.371743][  T430]  bio_endio+0x465/0x5c0
[   30.375974][  T430]  submit_bio_checks+0x25c/0xe80
[   30.380905][  T430]  ? submit_bio_noacct+0x11f0/0x11f0
[   30.386175][  T430]  ? stack_trace_save+0x12d/0x1f0
[   30.391198][  T430]  submit_bio_noacct+0x98/0x11f0
[   30.396125][  T430]  ? kmem_cache_free+0xa9/0x1f0
[   30.400959][  T430]  ? kasan_set_track+0x63/0x80
[   30.405706][  T430]  ? kasan_set_track+0x4c/0x80
[   30.410608][  T430]  ? kasan_set_free_info+0x23/0x40
[   30.415718][  T430]  ? ____kasan_slab_free+0x121/0x160
[   30.420989][  T430]  ? __kasan_slab_free+0x11/0x20
[   30.425920][  T430]  ? blk_put_request+0x20/0x20
[   30.430676][  T430]  ? f2fs_write_single_data_page+0x16aa/0x1d30
[   30.436907][  T430]  ? __f2fs_write_data_pages+0x179e/0x2c80
[   30.442701][  T430]  ? f2fs_write_data_pages+0x74/0x80
[   30.447978][  T430]  ? do_writepages+0x13a/0x280
[   30.452729][  T430]  ? __writeback_single_inode+0xb8/0x6e0
[   30.458347][  T430]  ? writeback_sb_inodes+0x999/0x1700
[   30.463707][  T430]  ? wb_writeback+0x42f/0xc20
[   30.468369][  T430]  ? wb_do_writeback+0x222/0xbd0
[   30.473290][  T430]  ? wb_workfn+0xf8/0x3f0
[   30.477611][  T430]  ? process_one_work+0x726/0xc10
[   30.482623][  T430]  ? worker_thread+0xb27/0x1550
[   30.487462][  T430]  ? kthread+0x349/0x3d0
[   30.491691][  T430]  ? ret_from_fork+0x1f/0x30
[   30.496270][  T430]  submit_bio+0x1f8/0x6e0
[   30.500594][  T430]  ? _raw_spin_lock+0x1b0/0x1b0
[   30.505433][  T430]  ? submit_bio_checks+0xe80/0xe80
[   30.510535][  T430]  ? _raw_spin_unlock_irqrestore+0x5b/0x80
[   30.516328][  T430]  ? __wake_up+0x123/0x1c0
[   30.520735][  T430]  __submit_bio+0x717/0x920
[   30.525227][  T430]  ? __up_write+0x66/0x1d0
[   30.529632][  T430]  f2fs_submit_merged_ipu_write+0x668/0x720
[   30.535517][  T430]  ? __is_cp_guaranteed+0x3b0/0x3b0
[   30.540704][  T430]  ? __submit_merged_write_cond+0x36a/0x380
[   30.546588][  T430]  f2fs_write_single_data_page+0x16aa/0x1d30
[   30.552562][  T430]  ? f2fs_i_compr_blocks_update+0x160/0x160
[   30.558443][  T430]  ? __this_cpu_preempt_check+0x13/0x20
[   30.563981][  T430]  ? __mod_memcg_lruvec_state+0x136/0x310
[   30.569694][  T430]  ? wait_on_page_writeback+0x1f0/0x1f0
[   30.575316][  T430]  ? _raw_spin_lock+0xa3/0x1b0
[   30.580077][  T430]  __f2fs_write_data_pages+0x179e/0x2c80
[   30.585700][  T430]  ? f2fs_mpage_readpages+0x22b0/0x22b0
[   30.591238][  T430]  ? f2fs_balance_fs_bg+0x5cf/0x720
[   30.596431][  T430]  ? __kasan_check_read+0x11/0x20
[   30.601444][  T430]  ? __kasan_check_read+0x11/0x20
[   30.606443][  T430]  ? f2fs_write_node_pages+0x40d/0x870
[   30.611878][  T430]  ? f2fs_write_node_page+0x40/0x40
[   30.617054][  T430]  ? f2fs_balance_fs+0x18f/0x3e0
[   30.621967][  T430]  f2fs_write_data_pages+0x74/0x80
[   30.627059][  T430]  ? f2fs_read_data_page+0x330/0x330
[   30.632324][  T430]  do_writepages+0x13a/0x280
[   30.636890][  T430]  ? __writepage+0x130/0x130
[   30.641454][  T430]  ? __kasan_check_write+0x14/0x20
[   30.646540][  T430]  ? _raw_spin_lock+0xa3/0x1b0
[   30.651718][  T430]  ? __kasan_check_write+0x14/0x20
[   30.656803][  T430]  ? _raw_spin_lock+0xa3/0x1b0
[   30.661540][  T430]  ? __kasan_check_write+0x14/0x20
[   30.666629][  T430]  __writeback_single_inode+0xb8/0x6e0
[   30.672066][  T430]  writeback_sb_inodes+0x999/0x1700
[   30.677239][  T430]  ? queue_io+0x500/0x500
[   30.681543][  T430]  ? writeback_sb_inodes+0x1700/0x1700
[   30.686977][  T430]  ? queue_io+0x3c7/0x500
[   30.691278][  T430]  ? kmem_cache_free+0xa9/0x1f0
[   30.696102][  T430]  wb_writeback+0x42f/0xc20
[   30.700577][  T430]  ? process_one_work+0x726/0xc10
[   30.705576][  T430]  ? wb_io_lists_depopulated+0x180/0x180
[   30.711180][  T430]  ? widen_string+0x41/0x3a0
[   30.715746][  T430]  ? __kasan_check_write+0x14/0x20
[   30.720855][  T430]  wb_do_writeback+0x222/0xbd0
[   30.725592][  T430]  ? wb_workfn+0x3f0/0x3f0
[   30.729983][  T430]  ? compat_start_thread+0x80/0x80
[   30.735065][  T430]  ? set_worker_desc+0x158/0x1c0
[   30.739973][  T430]  ? work_busy+0x250/0x250
[pid   537] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   593] <... futex resumed>)        = 1
[pid   593] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL]) = 0
[pid   593] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   537] <... futex resumed>)        = 0
[pid   537] futex(0x7ff0af4667b8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   537] futex(0x7ff0af4667bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   593] <... futex resumed>)        = 1
[pid   593] renameat2(6, "./file0/file0", 5, "./file0", 0) = 0
[pid   593] futex(0x7ff0af4667bc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   537] <... futex resumed>)        = 0
[pid   593] <... futex resumed>)        = 1
[pid   593] futex(0x7ff0af4667b8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   541] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
[pid   541] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   541] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   537] exit_group(0 <unfinished ...>
[pid   593] <... futex resumed>)        = ?
[pid   537] <... exit_group resumed>)   = ?
[pid   593] +++ exited with 0 +++
[pid   541] <... futex resumed>)        = ?
[pid   541] +++ exited with 0 +++
[pid   537] +++ exited with 0 +++
[pid   374] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=537, si_uid=0, si_status=0, si_utime=6, si_stime=14} ---
[pid   374] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   374] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   374] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   374] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   374] getdents64(3, 0x555557436620 /* 4 entries */, 32768) = 112
[pid   374] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   374] lstat("./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   374] unlink("./3/binderfs")      = 0
[pid   374] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   576] 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"..., 20699119) = 20699119
[pid   576] munmap(0x7ff0a6f68000, 20699119) = 0
[pid   576] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[pid   576] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   576] close(3)                    = 0
[pid   576] mkdir("./file0", 0777)      = 0
[pid   576] mount("/dev/loop1", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   591] setpgid(0, 0)               = 0
[pid   591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   591] write(3, "1000", 4)         = 4
[pid   591] close(3)                    = 0
[pid   591] symlink("/dev/binderfs", "./binderfs") = 0
[pid   591] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0af368000
[pid   591] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   591] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[596], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 596
[pid   591] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   591] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 596 attached
 <unfinished ...>
[pid   596] set_robust_list(0x7ff0af3889e0, 24) = 0
[pid   596] memfd_create("syzkaller", 0) = 3
[pid   596] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff0a6f68000
[pid   596] 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"..., 20699119) = 20699119
[pid   596] munmap(0x7ff0a6f68000, 20699119) = 0
[pid   596] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[pid   596] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   596] close(3)                    = 0
[pid   596] mkdir("./file0", 0777)      = 0
[pid   596] mount("/dev/loop3", "./file0", "f2fs", MS_SILENT, "inline_dentry,lazytime," <unfinished ...>
[pid   563] <... openat resumed>)       = 3
[pid   563] chdir("./file0")            = 0
[pid   563] ioctl(4, LOOP_CLR_FD)       = 0
[pid   563] close(4)                    = 0
[pid   563] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   562] <... futex resumed>)        = 0
[pid   562] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   562] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   563] <... futex resumed>)        = 1
[pid   563] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000) = 4
[pid   563] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   562] <... futex resumed>)        = 0
[pid   562] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   562] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   563] <... futex resumed>)        = 1
[pid   563] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC) = -1 EIO (Input/output error)
[pid   563] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   562] <... futex resumed>)        = 0
[pid   562] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   562] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   563] <... futex resumed>)        = 1
[pid   563] open(".", O_RDONLY)         = 5
[pid   563] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   562] <... futex resumed>)        = 0
[pid   562] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   562] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   563] <... futex resumed>)        = 1
[pid   563] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0") = 0
[pid   563] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   562] <... futex resumed>)        = 0
[pid   562] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   562] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   563] <... futex resumed>)        = 1
[pid   563] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000) = 0
[pid   563] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   562] <... futex resumed>)        = 0
[pid   562] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   562] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   563] <... futex resumed>)        = 1
[pid   563] renameat2(5, "./file0", 5, "./file0/file0", 0) = 0
[pid   563] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   562] <... futex resumed>)        = 0
[pid   562] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   562] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   563] <... futex resumed>)        = 1
[pid   563] open(".", O_RDONLY)         = 6
[pid   563] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   562] <... futex resumed>)        = 0
[pid   562] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   562] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   563] <... futex resumed>)        = 1
[pid   563] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0") = 0
[pid   563] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   562] <... futex resumed>)        = 0
[pid   562] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   562] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   563] <... futex resumed>)        = 1
[pid   563] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL]) = 0
[pid   563] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   562] <... futex resumed>)        = 0
[pid   562] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   562] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   563] <... futex resumed>)        = 1
[pid   563] renameat2(6, "./file0/file0", 5, "./file0", 0) = 0
[pid   563] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   562] <... futex resumed>)        = 0
[pid   562] exit_group(0)               = ?
[pid   563] <... futex resumed>)        = ?
[pid   563] +++ exited with 0 +++
[pid   562] +++ exited with 0 +++
[   30.744360][  T430]  ? finish_task_switch+0x130/0x580
[   30.749542][  T430]  ? __switch_to_asm+0x34/0x60
[   30.754276][  T430]  ? kthread_data+0x52/0xc0
[   30.758749][  T430]  wb_workfn+0xf8/0x3f0
[   30.762876][  T430]  process_one_work+0x726/0xc10
[   30.767700][  T430]  worker_thread+0xb27/0x1550
[   30.772354][  T430]  kthread+0x349/0x3d0
[   30.776394][  T430]  ? worker_clr_flags+0x180/0x180
[   30.781389][  T430]  ? kthread_blkcg+0xd0/0xd0
[   30.785951][  T430]  ret_from_fork+0x1f/0x30
[   30.790335][  T430] Modules linked in:
[pid   377] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=562, si_uid=0, si_status=0, si_utime=7, si_stime=32} ---
[pid   377] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   377] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   377] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   377] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   377] getdents64(3, 0x555557436620 /* 4 entries */, 32768) = 112
[pid   377] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   377] lstat("./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   377] unlink("./4/binderfs")      = 0
[   30.796450][  T430] ---[ end trace 4f194181c5aba59a ]---
[   30.802050][  T430] RIP: 0010:end_page_writeback+0x28c/0x2a0
[   30.817130][  T430] Code: 32 de ff 49 ff cc e9 d9 fe ff ff e8 1e 32 de ff 49 ff ce 4d 89 f7 eb 8c e8 11 32 de ff 49 ff cc e9 65 fe ff ff e8 04 32 de ff <0f> 0b e8 fd 31 de ff 4c 89 ff e8 75 85 1d 00 eb 87 0f 1f 00 55 48
[   30.842202][  T576] F2FS-fs (loop1): Found nat_bits in checkpoint
[   30.847880][  T430] RSP: 0018:ffffc90000ed66d8 EFLAGS: 00010293
[   30.850456][  T596] F2FS-fs (loop3): Found nat_bits in checkpoint
[   30.857040][  T430] RAX: ffffffff818eefac RBX: 0000000000000000 RCX: ffff88810a6be2c0
[pid   377] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   576] <... mount resumed>)        = 0
[pid   576] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid   576] chdir("./file0")            = 0
[pid   576] ioctl(4, LOOP_CLR_FD)       = 0
[pid   576] close(4)                    = 0
[   30.915803][  T430] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   30.944516][  T576] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[   30.946744][  T430] RBP: ffffc90000ed6700 R08: ffffffff818eee8e R09: fffff94000850ff9
[pid   576] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   575] <... futex resumed>)        = 0
[pid   576] <... futex resumed>)        = 1
[pid   575] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   576] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid   575] <... futex resumed>)        = 0
[pid   575] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   576] <... open resumed>)         = 4
[pid   576] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   575] <... futex resumed>)        = 0
[pid   576] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[pid   575] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   575] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   596] <... mount resumed>)        = 0
[pid   596] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid   596] chdir("./file0")            = 0
[pid   596] ioctl(4, LOOP_CLR_FD)       = 0
[pid   596] close(4)                    = 0
[pid   372] <... umount2 resumed>)      = 0
[pid   596] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   372] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   596] <... futex resumed>)        = 1
[pid   591] <... futex resumed>)        = 0
[pid   372] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   591] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   596] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 <unfinished ...>
[pid   372] lstat("./3/file0",  <unfinished ...>
[pid   591] <... futex resumed>)        = 0
[pid   591] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   596] <... open resumed>)         = 4
[pid   372] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   596] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   372] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   596] <... futex resumed>)        = 1
[pid   591] <... futex resumed>)        = 0
[pid   372] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   591] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   596] pwritev2(4, [{iov_base="\x85\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=3177984}], 1, 5120, RWF_HIPRI|RWF_DSYNC <unfinished ...>
[pid   372] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   591] <... futex resumed>)        = 0
[pid   591] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   372] <... openat resumed>)       = 4
[pid   372] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   372] getdents64(4, 0x55555743e660 /* 2 entries */, 32768) = 48
[pid   372] getdents64(4, 0x55555743e660 /* 0 entries */, 32768) = 0
[pid   372] close(4)                    = 0
[pid   372] rmdir("./3/file0")          = 0
[pid   372] getdents64(3, 0x555557436620 /* 0 entries */, 32768) = 0
[pid   372] close(3)                    = 0
[pid   372] rmdir("./3")                = 0
[pid   372] mkdir("./4", 0777)          = 0
[   30.968483][  T596] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5
[   31.006987][  T430] R10: fffff94000850ff9 R11: 1ffffd4000850ff8 R12: ffffea0004287fc0
[pid   596] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
[pid   576] <... pwritev2 resumed>)     = -1 EIO (Input/output error)
[pid   575] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   372] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid   596] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   576] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   575] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   596] <... futex resumed>)        = 1
[pid   591] <... futex resumed>)        = 0
[pid   576] <... futex resumed>)        = 0
[pid   575] <... futex resumed>)        = 0
[pid   596] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   591] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   576] open(".", O_RDONLY <unfinished ...>
[pid   575] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   596] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   591] <... futex resumed>)        = 0
[pid   576] <... open resumed>)         = 5
[pid   596] open(".", O_RDONLY <unfinished ...>
[pid   591] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   576] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   596] <... open resumed>)         = 5
[pid   576] <... futex resumed>)        = 1
[pid   575] <... futex resumed>)        = 0
[pid   596] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   576] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   575] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   596] <... futex resumed>)        = 1
[pid   591] <... futex resumed>)        = 0
[pid   576] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   575] <... futex resumed>)        = 0
[pid   596] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   591] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   576] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0" <unfinished ...>
[pid   575] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   596] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   591] <... futex resumed>)        = 0
[pid   576] <... symlinkat resumed>)    = 0
[pid   596] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 5, "./file0" <unfinished ...>
[pid   591] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   576] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   596] <... symlinkat resumed>)    = 0
[pid   576] <... futex resumed>)        = 1
[pid   575] <... futex resumed>)        = 0
[pid   596] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   576] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   575] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   596] <... futex resumed>)        = 1
[pid   591] <... futex resumed>)        = 0
[pid   576] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   575] <... futex resumed>)        = 0
[pid   596] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000 <unfinished ...>
[pid   591] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   576] mkdirat(5, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 000 <unfinished ...>
[pid   575] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   596] <... mkdirat resumed>)      = 0
[pid   591] <... futex resumed>)        = 0
[pid   576] <... mkdirat resumed>)      = 0
[pid   596] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   591] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   576] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   596] <... futex resumed>)        = 0
[pid   591] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   576] <... futex resumed>)        = 1
[pid   575] <... futex resumed>)        = 0
[pid   596] renameat2(5, "./file0", 5, "./file0/file0", 0 <unfinished ...>
[pid   591] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   576] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   575] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   596] <... renameat2 resumed>)    = 0
[pid   591] <... futex resumed>)        = 0
[pid   576] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   575] <... futex resumed>)        = 0
[pid   596] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   591] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   576] renameat2(5, "./file0", 5, "./file0/file0", 0 <unfinished ...>
[pid   575] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   596] <... futex resumed>)        = 0
[pid   591] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   576] <... renameat2 resumed>)    = 0
[pid   596] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   591] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   576] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   596] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   591] <... futex resumed>)        = 0
[pid   576] <... futex resumed>)        = 1
[pid   575] <... futex resumed>)        = 0
[pid   596] open(".", O_RDONLY <unfinished ...>
[pid   591] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   576] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   575] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   596] <... open resumed>)         = 6
[pid   576] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   575] <... futex resumed>)        = 0
[pid   596] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   576] open(".", O_RDONLY <unfinished ...>
[pid   575] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   596] <... futex resumed>)        = 1
[pid   591] <... futex resumed>)        = 0
[pid   576] <... open resumed>)         = 6
[pid   596] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   591] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   576] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   596] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   591] <... futex resumed>)        = 0
[pid   576] <... futex resumed>)        = 1
[pid   575] <... futex resumed>)        = 0
[pid   596] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0" <unfinished ...>
[pid   591] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   576] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   575] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   596] <... symlinkat resumed>)    = 0
[pid   576] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   575] <... futex resumed>)        = 0
[pid   596] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   576] symlinkat("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 6, "./file0" <unfinished ...>
[pid   575] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   596] <... futex resumed>)        = 1
[pid   591] <... futex resumed>)        = 0
[pid   576] <... symlinkat resumed>)    = 0
[pid   596] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   591] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   576] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   596] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   591] <... futex resumed>)        = 0
[pid   576] <... futex resumed>)        = 1
[pid   575] <... futex resumed>)        = 0
[pid   596] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL] <unfinished ...>
[pid   591] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   576] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   575] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   596] <... ioctl resumed>)        = 0
[pid   576] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   575] <... futex resumed>)        = 0
[pid   596] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   576] ioctl(5, FS_IOC_SETFLAGS, [FS_SYNC_FL] <unfinished ...>
[pid   575] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   596] <... futex resumed>)        = 1
[pid   591] <... futex resumed>)        = 0
[pid   576] <... ioctl resumed>)        = 0
[pid   596] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   591] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   576] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   596] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   591] <... futex resumed>)        = 0
[pid   576] <... futex resumed>)        = 1
[pid   575] <... futex resumed>)        = 0
[pid   372] <... openat resumed>)       = 3
[pid   596] renameat2(6, "./file0/file0", 5, "./file0", 0 <unfinished ...>
[pid   591] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   576] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   575] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   372] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   596] <... renameat2 resumed>)    = 0
[pid   576] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   575] <... futex resumed>)        = 0
[pid   372] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   596] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   576] renameat2(6, "./file0/file0", 5, "./file0", 0 <unfinished ...>
[pid   575] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   372] close(3 <unfinished ...>
[pid   596] <... futex resumed>)        = 1
[pid   591] <... futex resumed>)        = 0
[pid   576] <... renameat2 resumed>)    = 0
[pid   372] <... close resumed>)        = 0
[pid   596] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   591] exit_group(0 <unfinished ...>
[pid   576] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   372] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   596] <... futex resumed>)        = ?
[pid   591] <... exit_group resumed>)   = ?
[pid   576] <... futex resumed>)        = 1
[pid   575] <... futex resumed>)        = 0
[pid   596] +++ exited with 0 +++
[pid   591] +++ exited with 0 +++
[pid   576] futex(0x7ff0af4667a8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   575] exit_group(0 <unfinished ...>
[pid   372] <... clone resumed>, child_tidptr=0x5555574355d0) = 605
[pid   576] <... futex resumed>)        = ?
[pid   575] <... exit_group resumed>)   = ?
[pid   576] +++ exited with 0 +++
[pid   575] +++ exited with 0 +++
[pid   375] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=591, si_uid=0, si_status=0, si_utime=8, si_stime=15} ---
[pid   375] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   373] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=575, si_uid=0, si_status=0, si_utime=5, si_stime=13} ---
[pid   375] <... restart_syscall resumed>) = 0
[pid   373] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   375] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   373] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   375] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   373] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   375] <... openat resumed>)       = 3
[pid   373] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   375] fstat(3,  <unfinished ...>
[pid   373] <... openat resumed>)       = 3
[pid   375] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   373] fstat(3,  <unfinished ...>
[pid   375] getdents64(3,  <unfinished ...>
[pid   373] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   375] <... getdents64 resumed>0x555557436620 /* 4 entries */, 32768) = 112
[pid   373] getdents64(3,  <unfinished ...>
[pid   375] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   373] <... getdents64 resumed>0x555557436620 /* 4 entries */, 32768) = 112
[pid   375] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   373] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   375] lstat("./4/binderfs",  <unfinished ...>
[pid   373] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   375] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   373] lstat("./4/binderfs",  <unfinished ...>
[pid   375] unlink("./4/binderfs" <unfinished ...>
[pid   373] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0
[pid   375] <... unlink resumed>)       = 0
[pid   373] unlink("./4/binderfs" <unfinished ...>
[pid   375] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW <unfinished ...>
[pid   373] <... unlink resumed>)       = 0
[   31.017061][  T430] R13: 1ffffd4000850ff9 R14: ffffea0004287fc8 R15: ffffea0004287fc0
[   31.025044][  T430] FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[pid   373] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 605 attached
 <unfinished ...>
[pid   605] set_robust_list(0x5555574355e0, 24) = 0
[pid   605] chdir("./4")                = 0
[pid   605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   605] setpgid(0, 0)               = 0
[pid   605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   605] write(3, "1000", 4)         = 4
[pid   605] close(3)                    = 0
[pid   605] symlink("/dev/binderfs", "./binderfs") = 0
[pid   605] futex(0x7ff0af4667ac, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   605] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff0af368000
[pid   605] mprotect(0x7ff0af369000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   605] clone(child_stack=0x7ff0af3883f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[606], tls=0x7ff0af388700, child_tidptr=0x7ff0af3889d0) = 606
[pid   605] futex(0x7ff0af4667a8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   605] futex(0x7ff0af4667ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 606 attached
 <unfinished ...>
[pid   606] set_robust_list(0x7ff0af3889e0, 24) = 0
[pid   606] memfd_create("syzkaller", 0) = 3
[pid   606] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff0a6f68000
[   31.072381][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.106915][  T430] CR2: 00007ff0af46a948 CR3: 000000010c7fa000 CR4: 00000000003506a0
[   31.114896][  T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[pid   374] <... umount2 resumed>)      = 0
[pid   374] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   374] lstat("./3/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   374] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   374] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   374] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
[pid   374] getdents64(4, 0x55555743e660 /* 2 entries */, 32768) = 48
[pid   374] getdents64(4, 0x55555743e660 /* 0 entries */, 32768) = 0
[pid   374] close(4)                    = 0
[pid   374] rmdir("./3/file0")          = 0
[pid   374] getdents64(3, 0x555557436620 /* 0 entries */, 32768) = 0
[pid   374] close(3)                    = 0
[pid   374] rmdir("./3")                = 0
[pid   374] mkdir("./4", 0777)          = 0
[pid   374] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid   374] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   374] close(3)                    = 0
[pid   374] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574355d0) = 607
./strace-static-x86_64: Process 607 attached
[pid   607] set_robust_list(0x5555574355e0, 24) = 0
[pid   607] chdir("./4")                = 0
[pid   607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   607] setpgid(0, 0)               = 0
[pid   607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[   31.169577][  T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   31.190116][  T430] Kernel panic - not syncing: Fatal exception
[   31.196324][  T430] Kernel Offset: disabled
[   31.200637][  T430] Rebooting in 86400 seconds..