./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2457933154

<...>
Warning: Permanently added '10.128.0.116' (ED25519) to the list of known hosts.
execve("./syz-executor2457933154", ["./syz-executor2457933154"], 0x7fff73b9b3a0 /* 10 vars */) = 0
brk(NULL)                               = 0x555557138000
brk(0x555557138d00)                     = 0x555557138d00
arch_prctl(ARCH_SET_FS, 0x555557138380) = 0
set_tid_address(0x555557138650)         = 354
set_robust_list(0x555557138660, 24)     = 0
rseq(0x555557138ca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2457933154", 4096) = 28
getrandom("\x07\x7c\x75\x32\x4a\xc5\x7e\x79", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555557138d00
brk(0x555557159d00)                     = 0x555557159d00
brk(0x55555715a000)                     = 0x55555715a000
mprotect(0x7feecd5ca000, 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=0x555557138650) = 355
./strace-static-x86_64: Process 355 attached
[pid   355] set_robust_list(0x555557138660, 24) = 0
[pid   355] mkdir("./syzkaller.PkHIMF", 0700 <unfinished ...>
[pid   354] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557138650) = 356
./strace-static-x86_64: Process 356 attached
[pid   356] set_robust_list(0x555557138660, 24) = 0
[pid   354] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   356] mkdir("./syzkaller.dPx2ch", 0700 <unfinished ...>
[pid   354] <... clone resumed>, child_tidptr=0x555557138650) = 357
./strace-static-x86_64: Process 357 attached
[pid   357] set_robust_list(0x555557138660, 24) = 0
[pid   354] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   357] mkdir("./syzkaller.kJmT2e", 0700 <unfinished ...>
[pid   354] <... clone resumed>, child_tidptr=0x555557138650) = 358
./strace-static-x86_64: Process 358 attached
[pid   358] set_robust_list(0x555557138660, 24) = 0
[pid   354] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   358] mkdir("./syzkaller.0PQZaH", 0700 <unfinished ...>
[pid   354] <... clone resumed>, child_tidptr=0x555557138650) = 359
./strace-static-x86_64: Process 359 attached
[pid   359] set_robust_list(0x555557138660, 24) = 0
[pid   359] mkdir("./syzkaller.o3v12I", 0700 <unfinished ...>
[pid   355] <... mkdir resumed>)        = 0
[pid   355] chmod("./syzkaller.PkHIMF", 0777) = 0
[pid   355] chdir("./syzkaller.PkHIMF") = 0
[pid   355] mkdir("./0", 0777 <unfinished ...>
[pid   357] <... mkdir resumed>)        = 0
[pid   356] <... mkdir resumed>)        = 0
[pid   357] chmod("./syzkaller.kJmT2e", 0777) = 0
[pid   358] <... mkdir resumed>)        = 0
[pid   357] chdir("./syzkaller.kJmT2e" <unfinished ...>
[pid   356] chmod("./syzkaller.dPx2ch", 0777 <unfinished ...>
[pid   355] <... mkdir resumed>)        = 0
[pid   358] chmod("./syzkaller.0PQZaH", 0777 <unfinished ...>
[pid   356] <... chmod resumed>)        = 0
[pid   358] <... chmod resumed>)        = 0
[pid   357] <... chdir resumed>)        = 0
[pid   356] chdir("./syzkaller.dPx2ch" <unfinished ...>
[pid   358] chdir("./syzkaller.0PQZaH" <unfinished ...>
[pid   356] <... chdir resumed>)        = 0
[pid   358] <... chdir resumed>)        = 0
[pid   357] mkdir("./0", 0777 <unfinished ...>
[pid   356] mkdir("./0", 0777 <unfinished ...>
[pid   358] mkdir("./0", 0777 <unfinished ...>
[pid   357] <... mkdir resumed>)        = 0
[pid   355] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   356] <... mkdir resumed>)        = 0
[pid   358] <... mkdir resumed>)        = 0
[pid   357] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   356] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   358] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   355] <... clone resumed>, child_tidptr=0x555557138650) = 360
[pid   357] <... clone resumed>, child_tidptr=0x555557138650) = 362
[pid   356] <... clone resumed>, child_tidptr=0x555557138650) = 361
[pid   358] <... clone resumed>, child_tidptr=0x555557138650) = 363
./strace-static-x86_64: Process 363 attached
[pid   363] set_robust_list(0x555557138660, 24) = 0
[pid   363] chdir("./0")                = 0
[pid   363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   363] setpgid(0, 0)               = 0
[pid   363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 361 attached
 <unfinished ...>
[pid   361] set_robust_list(0x555557138660, 24) = 0
[pid   361] chdir("./0"./strace-static-x86_64: Process 362 attached
./strace-static-x86_64: Process 360 attached
 <unfinished ...>
[pid   359] <... mkdir resumed>)        = 0
[pid   361] <... chdir resumed>)        = 0
[pid   361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   361] setpgid(0, 0)               = 0
[pid   361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   359] chmod("./syzkaller.o3v12I", 0777 <unfinished ...>
[pid   363] <... openat resumed>)       = 3
[pid   363] write(3, "1000", 4 <unfinished ...>
[pid   359] <... chmod resumed>)        = 0
[pid   363] <... write resumed>)        = 4
[pid   361] <... openat resumed>)       = 3
[pid   363] close(3)                    = 0
[pid   363] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   362] set_robust_list(0x555557138660, 24 <unfinished ...>
[pid   359] chdir("./syzkaller.o3v12I" <unfinished ...>
[pid   360] set_robust_list(0x555557138660, 24 <unfinished ...>
[pid   361] write(3, "1000", 4)         = 4
[pid   361] close(3)                    = 0
[pid   361] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   359] <... chdir resumed>)        = 0
[pid   362] <... set_robust_list resumed>) = 0
[pid   360] <... set_robust_list resumed>) = 0
[pid   361] <... symlink resumed>)      = 0
[pid   359] mkdir("./0", 0777 <unfinished ...>
[pid   363] <... symlink resumed>)      = 0
[pid   363] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   361] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 3
[pid   363] <... openat resumed>)       = 3
[pid   359] <... mkdir resumed>)        = 0
[pid   363] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 <unfinished ...>
[pid   362] chdir("./0" <unfinished ...>
[pid   361] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 <unfinished ...>
[pid   360] chdir("./0" <unfinished ...>
[pid   359] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   363] <... bpf resumed>)          = -1 E2BIG (Argument list too long)
[pid   363] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4
[pid   363] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4) = 5
[pid   363] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 6
[pid   363] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   359] <... clone resumed>, child_tidptr=0x555557138650) = 364
[pid   362] <... chdir resumed>)        = 0
[pid   361] <... bpf resumed>)          = -1 E2BIG (Argument list too long)
[pid   360] <... chdir resumed>)        = 0
[pid   362] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   361] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   360] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   362] <... prctl resumed>)        = 0
[pid   361] <... openat resumed>)       = 4
[pid   360] <... prctl resumed>)        = 0
./strace-static-x86_64: Process 364 attached
[pid   362] setpgid(0, 0 <unfinished ...>
[pid   360] setpgid(0, 0 <unfinished ...>
[pid   361] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   362] <... setpgid resumed>)      = 0
[pid   360] <... setpgid resumed>)      = 0
[pid   362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   362] <... openat resumed>)       = 3
[pid   360] <... openat resumed>)       = 3
[pid   360] write(3, "1000", 4 <unfinished ...>
[pid   362] write(3, "1000", 4)         = 4
[pid   360] <... write resumed>)        = 4
[pid   361] <... openat resumed>)       = 5
[pid   362] close(3 <unfinished ...>
[pid   361] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC <unfinished ...>
[pid   360] close(3 <unfinished ...>
[pid   362] <... close resumed>)        = 0
[pid   360] <... close resumed>)        = 0
[pid   361] <... openat resumed>)       = 6
[pid   362] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   364] set_robust_list(0x555557138660, 24 <unfinished ...>
[pid   361] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   360] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   362] <... symlink resumed>)      = 0
[pid   364] <... set_robust_list resumed>) = 0
[pid   364] chdir("./0")                = 0
[pid   364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   364] setpgid(0, 0)               = 0
[pid   364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   364] write(3, "1000", 4 <unfinished ...>
[pid   360] <... symlink resumed>)      = 0
[pid   364] <... write resumed>)        = 4
[pid   364] close(3)                    = 0
[pid   364] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   360] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   362] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   364] <... symlink resumed>)      = 0
[pid   364] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 3
[pid   364] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = -1 E2BIG (Argument list too long)
[pid   364] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4
[pid   362] <... openat resumed>)       = 3
[pid   362] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 <unfinished ...>
[pid   364] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   362] <... bpf resumed>)          = -1 E2BIG (Argument list too long)
[   21.580520][   T23] audit: type=1400 audit(1713970122.319:66): avc:  denied  { execmem } for  pid=354 comm="syz-executor245" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[pid   362] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   364] <... openat resumed>)       = 5
[pid   362] <... openat resumed>)       = 4
[pid   360] <... openat resumed>)       = 3
[pid   362] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4) = 5
[pid   362] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC <unfinished ...>
[pid   360] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 <unfinished ...>
[pid   362] <... openat resumed>)       = 6
[pid   360] <... bpf resumed>)          = -1 E2BIG (Argument list too long)
[pid   362] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   364] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC <unfinished ...>
[pid   363] <... write resumed>)        = 213248
[pid   360] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   363] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   364] <... openat resumed>)       = 6
[pid   364] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   360] <... openat resumed>)       = 4
[pid   360] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   362] <... write resumed>)        = 213248
[pid   361] <... write resumed>)        = 213248
[pid   360] <... openat resumed>)       = 5
[pid   360] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC <unfinished ...>
[pid   362] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   361] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   360] <... openat resumed>)       = 6
[pid   360] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   363] <... write resumed>)        = 275456
[pid   363] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC) = 7
[pid   363] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   364] <... write resumed>)        = 213248
[pid   362] <... write resumed>)        = 275456
[pid   360] <... write resumed>)        = 213248
[pid   362] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC) = 7
[pid   360] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   362] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   364] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   361] <... write resumed>)        = 275456
[pid   361] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC) = 7
[pid   361] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   364] <... write resumed>)        = 275456
[pid   364] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC) = 7
[pid   364] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   360] <... write resumed>)        = 275456
[pid   360] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC) = 7
[pid   360] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   362] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   362] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4) = 8
[pid   363] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   362] exit_group(0 <unfinished ...>
[pid   363] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   362] <... exit_group resumed>)   = ?
[pid   362] +++ exited with 0 +++
[pid   361] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   364] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   361] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   357] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=362, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid   363] <... openat resumed>)       = 8
[pid   363] exit_group(0)               = ?
[pid   361] <... openat resumed>)       = 8
[pid   364] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[   21.702614][  T362] EXT4-fs (sda1): pa ffff8881e87fab28: logic 0, phys. 40576, len 64
[   21.710424][  T362] EXT4-fs error (device sda1): ext4_mb_release_inode_pa:3891: group 1, free 63, pa_free 11
[   21.720722][  T362] syz-executor245 (362) used greatest stack depth: 22520 bytes left
[   21.721109][  T363] JBD2: Spotted dirty metadata buffer (dev = sda1, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
[   21.744415][  T363] EXT4-fs (sda1): pa ffff8881e87fa498: logic 0, phys. 40896, len 64
[pid   361] exit_group(0)               = ?
[pid   364] <... openat resumed>)       = 8
[pid   363] +++ exited with 0 +++
[pid   361] +++ exited with 0 +++
[pid   356] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=361, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid   356] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   356] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   356] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   356] getdents64(3,  <unfinished ...>
[pid   364] exit_group(0 <unfinished ...>
[pid   358] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=363, si_uid=0, si_status=0, si_utime=0, si_stime=6} ---
[pid   357] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   364] <... exit_group resumed>)   = ?
[pid   356] <... getdents64 resumed>0x5555571396f0 /* 5 entries */, 32768) = 160
[   21.752314][  T363] EXT4-fs error (device sda1): ext4_mb_release_inode_pa:3891: group 1, free 63, pa_free 11
[   21.762444][  T364] JBD2: Spotted dirty metadata buffer (dev = sda1, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
[   21.776336][  T361] EXT4-fs (sda1): pa ffff8881e87fa738: logic 0, phys. 48960, len 64
[   21.784134][  T361] EXT4-fs error (device sda1): ext4_mb_release_inode_pa:3891: group 1, free 63, pa_free 11
[pid   356] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   356] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   356] unlink("./0/binderfs")      = 0
[pid   356] umount2("./0/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   356] newfstatat(AT_FDCWD, "./0/cgroup.controllers", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   356] unlink("./0/cgroup.controllers") = 0
[pid   356] umount2("./0/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   356] newfstatat(AT_FDCWD, "./0/memory.events", {st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   356] unlink("./0/memory.events" <unfinished ...>
[pid   357] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   364] +++ exited with 0 +++
[pid   357] <... openat resumed>)       = 3
[pid   358] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   357] newfstatat(3, "",  <unfinished ...>
[pid   358] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   357] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   358] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   357] getdents64(3,  <unfinished ...>
[pid   358] <... openat resumed>)       = 3
[pid   357] <... getdents64 resumed>0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   358] newfstatat(3, "",  <unfinished ...>
[pid   357] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   358] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   357] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   358] getdents64(3,  <unfinished ...>
[pid   357] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid   358] <... getdents64 resumed>0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   357] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   357] unlink("./0/binderfs" <unfinished ...>
[pid   358] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   358] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] unlink("./0/binderfs" <unfinished ...>
[pid   359] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=364, si_uid=0, si_status=0, si_utime=0, si_stime=6} ---
[pid   359] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   359] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   359] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   359] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   359] getdents64(3, 0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   359] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   359] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   359] unlink("./0/binderfs" <unfinished ...>
[pid   360] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   360] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   359] <... unlink resumed>)       = 0
[pid   358] <... unlink resumed>)       = 0
[pid   357] <... unlink resumed>)       = 0
[pid   356] <... unlink resumed>)       = 0
[pid   359] umount2("./0/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   358] umount2("./0/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   357] umount2("./0/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   359] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   358] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   357] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   359] newfstatat(AT_FDCWD, "./0/cgroup.controllers",  <unfinished ...>
[pid   358] newfstatat(AT_FDCWD, "./0/cgroup.controllers",  <unfinished ...>
[pid   357] newfstatat(AT_FDCWD, "./0/cgroup.controllers",  <unfinished ...>
[pid   360] <... openat resumed>)       = 8
[pid   356] getdents64(3,  <unfinished ...>
[pid   357] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   360] exit_group(0 <unfinished ...>
[pid   359] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] unlink("./0/cgroup.controllers" <unfinished ...>
[pid   356] <... getdents64 resumed>0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   359] unlink("./0/cgroup.controllers" <unfinished ...>
[pid   358] unlink("./0/cgroup.controllers" <unfinished ...>
[pid   360] <... exit_group resumed>)   = ?
[pid   359] <... unlink resumed>)       = 0
[pid   358] <... unlink resumed>)       = 0
[pid   357] <... unlink resumed>)       = 0
[pid   356] close(3 <unfinished ...>
[pid   359] umount2("./0/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   358] umount2("./0/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   359] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   358] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   359] newfstatat(AT_FDCWD, "./0/memory.events",  <unfinished ...>
[pid   358] newfstatat(AT_FDCWD, "./0/memory.events",  <unfinished ...>
[pid   359] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] umount2("./0/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[   21.796536][  T356] JBD2: Spotted dirty metadata buffer (dev = sda1, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
[   21.796581][  T364] EXT4-fs (sda1): pa ffff8881e87fa9d8: logic 0, phys. 49408, len 64
[   21.817508][  T364] EXT4-fs error (device sda1): ext4_mb_release_inode_pa:3891: group 1, free 63, pa_free 11
[   21.828138][  T356] JBD2: Spotted dirty metadata buffer (dev = sda1, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
[   21.844628][  T360] EXT4-fs (sda1): pa ffff8881e87fa7e0: logic 0, phys. 40640, len 64
[pid   359] unlink("./0/memory.events" <unfinished ...>
[pid   358] unlink("./0/memory.events" <unfinished ...>
[pid   360] +++ exited with 0 +++
[pid   357] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   356] <... close resumed>)        = 0
[pid   355] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=360, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid   355] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   355] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   355] getdents64(3,  <unfinished ...>
[pid   357] newfstatat(AT_FDCWD, "./0/memory.events",  <unfinished ...>
[pid   356] rmdir("./0" <unfinished ...>
[pid   355] <... getdents64 resumed>0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   359] <... unlink resumed>)       = 0
[pid   355] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   355] unlink("./0/binderfs" <unfinished ...>
[pid   357] unlink("./0/memory.events" <unfinished ...>
[pid   356] <... rmdir resumed>)        = 0
[pid   355] <... unlink resumed>)       = 0
[pid   355] umount2("./0/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] newfstatat(AT_FDCWD, "./0/cgroup.controllers", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   355] unlink("./0/cgroup.controllers") = 0
[pid   355] umount2("./0/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] newfstatat(AT_FDCWD, "./0/memory.events", {st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   355] unlink("./0/memory.events" <unfinished ...>
[pid   359] getdents64(3,  <unfinished ...>
[pid   357] <... unlink resumed>)       = 0
[pid   356] mkdir("./1", 0777 <unfinished ...>
[pid   355] <... unlink resumed>)       = 0
[pid   355] getdents64(3, 0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   355] close(3)                    = 0
[pid   359] <... getdents64 resumed>0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   355] rmdir("./0" <unfinished ...>
[pid   357] getdents64(3,  <unfinished ...>
[pid   355] <... rmdir resumed>)        = 0
[pid   356] <... mkdir resumed>)        = 0
[pid   355] mkdir("./1", 0777 <unfinished ...>
[pid   359] close(3 <unfinished ...>
[pid   358] <... unlink resumed>)       = 0
[pid   357] <... getdents64 resumed>0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   356] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   355] <... mkdir resumed>)        = 0
[pid   359] <... close resumed>)        = 0
[pid   357] close(3 <unfinished ...>
[pid   355] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   357] <... close resumed>)        = 0
[pid   355] <... clone resumed>, child_tidptr=0x555557138650) = 367
[pid   359] rmdir("./0"./strace-static-x86_64: Process 366 attached
 <unfinished ...>
[pid   366] set_robust_list(0x555557138660, 24 <unfinished ...>
[pid   359] <... rmdir resumed>)        = 0
[pid   357] rmdir("./0" <unfinished ...>
[pid   366] <... set_robust_list resumed>) = 0
[pid   366] chdir("./1")                = 0
[pid   359] mkdir("./1", 0777 <unfinished ...>
[pid   357] <... rmdir resumed>)        = 0
[pid   356] <... clone resumed>, child_tidptr=0x555557138650) = 366
[pid   366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   366] setpgid(0, 0)               = 0
[pid   357] mkdir("./1", 0777 <unfinished ...>
[pid   366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   359] <... mkdir resumed>)        = 0
[pid   366] <... openat resumed>)       = 3
[pid   366] write(3, "1000", 4)         = 4
[pid   366] close(3 <unfinished ...>
[pid   357] <... mkdir resumed>)        = 0
[pid   359] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   366] <... close resumed>)        = 0
[pid   366] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   357] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   366] <... symlink resumed>)      = 0
[pid   366] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   359] <... clone resumed>, child_tidptr=0x555557138650) = 368
[pid   366] <... openat resumed>)       = 3
[pid   366] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144./strace-static-x86_64: Process 369 attached
./strace-static-x86_64: Process 368 attached
./strace-static-x86_64: Process 367 attached
 <unfinished ...>
[pid   358] getdents64(3,  <unfinished ...>
[pid   357] <... clone resumed>, child_tidptr=0x555557138650) = 369
[pid   366] <... bpf resumed>)          = -1 E2BIG (Argument list too long)
[pid   366] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   369] set_robust_list(0x555557138660, 24 <unfinished ...>
[pid   368] set_robust_list(0x555557138660, 24 <unfinished ...>
[pid   367] set_robust_list(0x555557138660, 24 <unfinished ...>
[pid   358] <... getdents64 resumed>0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   358] close(3 <unfinished ...>
[pid   368] <... set_robust_list resumed>) = 0
[pid   367] <... set_robust_list resumed>) = 0
[pid   366] <... openat resumed>)       = 4
[pid   358] <... close resumed>)        = 0
[pid   366] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   358] rmdir("./0" <unfinished ...>
[pid   367] chdir("./1" <unfinished ...>
[pid   366] <... openat resumed>)       = 5
[pid   366] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 6
[pid   366] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   358] <... rmdir resumed>)        = 0
[pid   358] mkdir("./1", 0777)          = 0
[pid   367] <... chdir resumed>)        = 0
[pid   358] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   367] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   358] <... clone resumed>, child_tidptr=0x555557138650) = 370
./strace-static-x86_64: Process 370 attached
[pid   369] <... set_robust_list resumed>) = 0
[pid   368] chdir("./1" <unfinished ...>
[pid   367] <... prctl resumed>)        = 0
[pid   367] setpgid(0, 0)               = 0
[pid   367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   369] chdir("./1" <unfinished ...>
[pid   368] <... chdir resumed>)        = 0
[pid   367] write(3, "1000", 4 <unfinished ...>
[pid   369] <... chdir resumed>)        = 0
[pid   368] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   367] <... write resumed>)        = 4
[pid   370] set_robust_list(0x555557138660, 24 <unfinished ...>
[pid   369] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   368] <... prctl resumed>)        = 0
[pid   367] close(3 <unfinished ...>
[pid   370] <... set_robust_list resumed>) = 0
[pid   369] <... prctl resumed>)        = 0
[pid   368] setpgid(0, 0 <unfinished ...>
[pid   367] <... close resumed>)        = 0
[pid   367] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   369] setpgid(0, 0 <unfinished ...>
[pid   368] <... setpgid resumed>)      = 0
[pid   367] <... symlink resumed>)      = 0
[pid   368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   367] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 3
[pid   367] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 <unfinished ...>
[pid   369] <... setpgid resumed>)      = 0
[pid   368] <... openat resumed>)       = 3
[pid   369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   368] write(3, "1000", 4 <unfinished ...>
[pid   367] <... bpf resumed>)          = -1 E2BIG (Argument list too long)
[pid   370] chdir("./1" <unfinished ...>
[pid   367] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4
[pid   367] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   369] <... openat resumed>)       = 3
[pid   367] <... openat resumed>)       = 5
[pid   369] write(3, "1000", 4)         = 4
[pid   367] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC <unfinished ...>
[pid   369] close(3)                    = 0
[pid   369] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   370] <... chdir resumed>)        = 0
[pid   369] <... symlink resumed>)      = 0
[pid   368] <... write resumed>)        = 4
[pid   367] <... openat resumed>)       = 6
[pid   369] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   368] close(3 <unfinished ...>
[pid   367] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   369] <... openat resumed>)       = 3
[pid   369] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = -1 E2BIG (Argument list too long)
[pid   369] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4
[pid   369] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4) = 5
[pid   369] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 6
[pid   369] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   368] <... close resumed>)        = 0
[pid   368] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   370] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   370] setpgid(0, 0)               = 0
[pid   370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   370] write(3, "1000", 4)         = 4
[pid   368] <... symlink resumed>)      = 0
[pid   368] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 3
[pid   368] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = -1 E2BIG (Argument list too long)
[pid   368] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4
[pid   368] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[   21.852433][  T360] EXT4-fs error (device sda1): ext4_mb_release_inode_pa:3891: group 1, free 63, pa_free 11
[   21.862586][  T358] JBD2: Spotted dirty metadata buffer (dev = sda1, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
[pid   370] close(3 <unfinished ...>
[pid   368] <... openat resumed>)       = 5
[pid   368] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 6
[pid   368] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   370] <... close resumed>)        = 0
[pid   370] symlink("/dev/binderfs", "./binderfs") = 0
[pid   370] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   367] <... write resumed>)        = 213248
[pid   367] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   366] <... write resumed>)        = 213248
[pid   370] <... openat resumed>)       = 3
[pid   366] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   370] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = -1 E2BIG (Argument list too long)
[pid   370] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4
[pid   370] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4) = 5
[pid   370] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 6
[pid   370] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   369] <... write resumed>)        = 213248
[pid   368] <... write resumed>)        = 213248
[pid   369] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[   21.901549][  T126] EXT4-fs error (device sda1): mb_free_blocks:1458: group 1, block 48960:freeing already freed block (bit 16192); block bitmap corrupt.
[   21.915309][  T126] EXT4-fs error (device sda1): ext4_mb_generate_buddy:748: group 1, block bitmap and bg descriptor inconsistent: 16395 vs 16447 free clusters
[   21.932064][  T367] JBD2: Spotted dirty metadata buffer (dev = sda1, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
[pid   368] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   370] <... write resumed>)        = 213248
[pid   367] <... write resumed>)        = 275456
[pid   366] <... write resumed>)        = 275456
[pid   366] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC <unfinished ...>
[pid   370] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   367] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC) = 7
[pid   366] <... openat resumed>)       = 7
[pid   366] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   367] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   369] <... write resumed>)        = 275456
[pid   368] <... write resumed>)        = 275456
[pid   369] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC <unfinished ...>
[pid   368] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC <unfinished ...>
[pid   369] <... openat resumed>)       = 7
[pid   368] <... openat resumed>)       = 7
[pid   369] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   368] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   370] <... write resumed>)        = 275456
[pid   370] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC) = 7
[pid   370] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   369] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   369] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   368] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   368] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4) = 8
[pid   368] exit_group(0)               = ?
[pid   370] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   370] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   366] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   366] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   368] +++ exited with 0 +++
[pid   367] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   370] <... openat resumed>)       = 8
[   22.051282][  T368] EXT4-fs (sda1): pa ffff8881e87fa3f0: logic 0, phys. 74048, len 64
[   22.059087][  T368] EXT4-fs error (device sda1): ext4_mb_release_inode_pa:3891: group 2, free 63, pa_free 11
[   22.069580][  T370] JBD2: Spotted dirty metadata buffer (dev = sda1, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
[   22.083720][  T370] EXT4-fs (sda1): pa ffff8881e87782a0: logic 0, phys. 74176, len 64
[   22.091524][  T370] EXT4-fs error (device sda1): ext4_mb_release_inode_pa:3891: group 2, free 63, pa_free 11
[pid   370] exit_group(0)               = ?
[pid   369] <... openat resumed>)       = 8
[pid   370] +++ exited with 0 +++
[pid   358] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=370, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
[pid   359] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=368, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
[pid   369] exit_group(0)               = ?
[pid   359] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   358] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   367] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   369] +++ exited with 0 +++
[pid   367] <... openat resumed>)       = 8
[pid   367] exit_group(0)               = ?
[pid   367] +++ exited with 0 +++
[pid   355] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=367, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid   355] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   366] <... openat resumed>)       = 8
[pid   366] exit_group(0)               = ?
[pid   355] <... restart_syscall resumed>) = 0
[pid   355] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   355] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   355] getdents64(3, 0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   355] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   355] unlink("./1/binderfs")      = 0
[pid   355] umount2("./1/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] newfstatat(AT_FDCWD, "./1/cgroup.controllers", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   355] unlink("./1/cgroup.controllers") = 0
[pid   355] umount2("./1/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] newfstatat(AT_FDCWD, "./1/memory.events", {st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   355] unlink("./1/memory.events") = 0
[pid   355] getdents64(3, 0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   355] close(3)                    = 0
[pid   355] rmdir("./1")                = 0
[pid   359] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   355] mkdir("./2", 0777 <unfinished ...>
[pid   359] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   358] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   357] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=369, si_uid=0, si_status=0, si_utime=0, si_stime=5} ---
[pid   359] <... openat resumed>)       = 3
[pid   358] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   359] newfstatat(3, "",  <unfinished ...>
[pid   358] <... openat resumed>)       = 3
[pid   359] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   358] newfstatat(3, "",  <unfinished ...>
[pid   359] getdents64(3,  <unfinished ...>
[pid   358] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   357] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   359] <... getdents64 resumed>0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   358] getdents64(3,  <unfinished ...>
[pid   357] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   359] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   358] <... getdents64 resumed>0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   357] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   355] <... mkdir resumed>)        = 0
[pid   359] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   358] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   359] newfstatat(AT_FDCWD, "./1/binderfs",  <unfinished ...>
[pid   357] <... openat resumed>)       = 3
[pid   358] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   359] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] newfstatat(AT_FDCWD, "./1/binderfs",  <unfinished ...>
[pid   359] unlink("./1/binderfs" <unfinished ...>
[pid   357] newfstatat(3, "",  <unfinished ...>
[pid   358] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   359] <... unlink resumed>)       = 0
[pid   358] unlink("./1/binderfs" <unfinished ...>
[pid   357] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   359] umount2("./1/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   355] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 371 attached
 <unfinished ...>
[pid   366] +++ exited with 0 +++
[pid   359] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   358] <... unlink resumed>)       = 0
[pid   357] getdents64(3,  <unfinished ...>
[pid   359] newfstatat(AT_FDCWD, "./1/cgroup.controllers",  <unfinished ...>
[pid   358] umount2("./1/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   355] <... clone resumed>, child_tidptr=0x555557138650) = 371
[pid   357] <... getdents64 resumed>0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   358] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   359] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] newfstatat(AT_FDCWD, "./1/cgroup.controllers",  <unfinished ...>
[pid   359] unlink("./1/cgroup.controllers" <unfinished ...>
[pid   357] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   356] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=366, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid   358] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   371] set_robust_list(0x555557138660, 24 <unfinished ...>
[pid   359] <... unlink resumed>)       = 0
[pid   358] unlink("./1/cgroup.controllers" <unfinished ...>
[pid   356] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   359] umount2("./1/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   357] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   371] <... set_robust_list resumed>) = 0
[pid   358] <... unlink resumed>)       = 0
[pid   356] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   357] newfstatat(AT_FDCWD, "./1/binderfs",  <unfinished ...>
[pid   359] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   358] umount2("./1/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   356] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   359] newfstatat(AT_FDCWD, "./1/memory.events",  <unfinished ...>
[pid   357] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   356] <... openat resumed>)       = 3
[pid   357] unlink("./1/binderfs" <unfinished ...>
[pid   371] chdir("./2")                = 0
[pid   371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   371] setpgid(0, 0)               = 0
[pid   371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   359] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   356] newfstatat(3, "",  <unfinished ...>
[pid   357] <... unlink resumed>)       = 0
[pid   358] newfstatat(AT_FDCWD, "./1/memory.events",  <unfinished ...>
[pid   356] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   357] umount2("./1/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   359] unlink("./1/memory.events" <unfinished ...>
[pid   358] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   356] getdents64(3,  <unfinished ...>
[pid   358] unlink("./1/memory.events" <unfinished ...>
[pid   357] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   371] <... openat resumed>)       = 3
[pid   371] write(3, "1000", 4)         = 4
[pid   371] close(3)                    = 0
[pid   371] symlink("/dev/binderfs", "./binderfs") = 0
[pid   359] <... unlink resumed>)       = 0
[pid   356] <... getdents64 resumed>0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   371] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 3
[pid   371] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = -1 E2BIG (Argument list too long)
[pid   371] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   358] <... unlink resumed>)       = 0
[pid   359] getdents64(3,  <unfinished ...>
[pid   357] newfstatat(AT_FDCWD, "./1/cgroup.controllers",  <unfinished ...>
[pid   356] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   358] getdents64(3,  <unfinished ...>
[pid   357] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] <... getdents64 resumed>0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   356] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   357] unlink("./1/cgroup.controllers" <unfinished ...>
[pid   359] <... getdents64 resumed>0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   356] newfstatat(AT_FDCWD, "./1/binderfs",  <unfinished ...>
[pid   357] <... unlink resumed>)       = 0
[pid   359] close(3 <unfinished ...>
[pid   358] close(3 <unfinished ...>
[pid   357] umount2("./1/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   356] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   358] <... close resumed>)        = 0
[pid   359] <... close resumed>)        = 0
[pid   358] rmdir("./1" <unfinished ...>
[pid   357] newfstatat(AT_FDCWD, "./1/memory.events",  <unfinished ...>
[pid   356] unlink("./1/binderfs" <unfinished ...>
[pid   357] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   371] <... openat resumed>)       = 4
[pid   357] unlink("./1/memory.events" <unfinished ...>
[pid   356] <... unlink resumed>)       = 0
[pid   371] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4) = 5
[pid   358] <... rmdir resumed>)        = 0
[pid   356] umount2("./1/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   371] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 6
[pid   371] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   357] <... unlink resumed>)       = 0
[pid   359] rmdir("./1" <unfinished ...>
[pid   358] mkdir("./2", 0777 <unfinished ...>
[pid   356] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   356] newfstatat(AT_FDCWD, "./1/cgroup.controllers",  <unfinished ...>
[pid   358] <... mkdir resumed>)        = 0
[pid   357] getdents64(3,  <unfinished ...>
[pid   356] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   359] <... rmdir resumed>)        = 0
[pid   356] unlink("./1/cgroup.controllers" <unfinished ...>
[pid   359] mkdir("./2", 0777 <unfinished ...>
[pid   358] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   357] <... getdents64 resumed>0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   356] <... unlink resumed>)       = 0
[pid   357] close(3 <unfinished ...>
[pid   356] umount2("./1/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   357] <... close resumed>)        = 0
[pid   359] <... mkdir resumed>)        = 0
[pid   356] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   359] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   358] <... clone resumed>, child_tidptr=0x555557138650) = 372
[pid   357] rmdir("./1" <unfinished ...>
[pid   356] newfstatat(AT_FDCWD, "./1/memory.events", {st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] <... rmdir resumed>)        = 0
[pid   356] unlink("./1/memory.events" <unfinished ...>
[pid   357] mkdir("./2", 0777 <unfinished ...>
[pid   356] <... unlink resumed>)       = 0
[pid   357] <... mkdir resumed>)        = 0
[pid   356] getdents64(3,  <unfinished ...>
[pid   359] <... clone resumed>, child_tidptr=0x555557138650) = 373
./strace-static-x86_64: Process 372 attached
[pid   372] set_robust_list(0x555557138660, 24) = 0
[pid   372] chdir("./2")                = 0
[pid   372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   372] setpgid(0, 0)               = 0
[pid   372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   356] <... getdents64 resumed>0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   357] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   356] close(3 <unfinished ...>
[pid   372] <... openat resumed>)       = 3
[pid   372] write(3, "1000", 4)         = 4
[pid   372] close(3)                    = 0
[pid   372] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 374 attached
./strace-static-x86_64: Process 373 attached
 <unfinished ...>
[pid   356] <... close resumed>)        = 0
[pid   357] <... clone resumed>, child_tidptr=0x555557138650) = 374
[pid   356] rmdir("./1" <unfinished ...>
[pid   373] set_robust_list(0x555557138660, 24 <unfinished ...>
[pid   374] set_robust_list(0x555557138660, 24) = 0
[pid   374] chdir("./2")                = 0
[pid   374] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   374] setpgid(0, 0)               = 0
[pid   374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   374] write(3, "1000", 4 <unfinished ...>
[pid   372] <... symlink resumed>)      = 0
[pid   356] <... rmdir resumed>)        = 0
[pid   372] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 3
[pid   374] <... write resumed>)        = 4
[pid   374] close(3 <unfinished ...>
[pid   372] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 <unfinished ...>
[pid   374] <... close resumed>)        = 0
[pid   372] <... bpf resumed>)          = -1 E2BIG (Argument list too long)
[pid   372] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   374] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   356] mkdir("./2", 0777 <unfinished ...>
[pid   371] <... write resumed>)        = 213248
[   22.102161][  T369] EXT4-fs (sda1): pa ffff8881e8778bd0: logic 0, phys. 74112, len 64
[   22.109984][  T369] EXT4-fs error (device sda1): ext4_mb_release_inode_pa:3891: group 2, free 63, pa_free 11
[   22.110255][  T367] JBD2: Spotted dirty metadata buffer (dev = sda1, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
[   22.120022][  T369] syz-executor245 (369) used greatest stack depth: 21400 bytes left
[pid   371] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   374] <... symlink resumed>)      = 0
[pid   373] <... set_robust_list resumed>) = 0
[pid   372] <... openat resumed>)       = 4
[pid   356] <... mkdir resumed>)        = 0
[pid   373] chdir("./2" <unfinished ...>
[pid   356] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   373] <... chdir resumed>)        = 0
[pid   373] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   356] <... clone resumed>, child_tidptr=0x555557138650) = 375
[pid   373] <... prctl resumed>)        = 0
[pid   373] setpgid(0, 0)               = 0
[pid   373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   373] write(3, "1000", 4)         = 4
[pid   373] close(3)                    = 0
[pid   373] symlink("/dev/binderfs", "./binderfs") = 0
[pid   373] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 3
[pid   373] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = -1 E2BIG (Argument list too long)
[pid   373] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4
[pid   373] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   374] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 3
[pid   372] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   374] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = -1 E2BIG (Argument list too long)
[pid   374] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4
[pid   374] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4./strace-static-x86_64: Process 375 attached
 <unfinished ...>
[pid   375] set_robust_list(0x555557138660, 24) = 0
[pid   375] chdir("./2")                = 0
[pid   375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   375] setpgid(0, 0 <unfinished ...>
[pid   373] <... openat resumed>)       = 5
[pid   373] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC <unfinished ...>
[pid   372] <... openat resumed>)       = 5
[pid   373] <... openat resumed>)       = 6
[pid   372] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC <unfinished ...>
[pid   375] <... setpgid resumed>)      = 0
[pid   373] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   372] <... openat resumed>)       = 6
[pid   375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   374] <... openat resumed>)       = 5
[pid   374] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC <unfinished ...>
[pid   375] <... openat resumed>)       = 3
[pid   374] <... openat resumed>)       = 6
[pid   374] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   372] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   375] write(3, "1000", 4)         = 4
[pid   375] close(3)                    = 0
[pid   375] symlink("/dev/binderfs", "./binderfs") = 0
[pid   375] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 3
[pid   375] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = -1 E2BIG (Argument list too long)
[pid   375] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4
[pid   375] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4) = 5
[pid   375] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 6
[pid   375] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248) = 213248
[pid   374] <... write resumed>)        = 213248
[pid   373] <... write resumed>)        = 213248
[pid   372] <... write resumed>)        = 213248
[pid   375] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   372] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   373] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[   22.158450][  T371] JBD2: Spotted dirty metadata buffer (dev = sda1, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
[pid   374] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   371] <... write resumed>)        = 275456
[pid   371] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC) = 7
[pid   371] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   372] <... write resumed>)        = 275456
[pid   372] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC) = 7
[pid   372] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   375] <... write resumed>)        = 275456
[pid   374] <... write resumed>)        = 275456
[pid   375] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC <unfinished ...>
[pid   374] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC <unfinished ...>
[pid   375] <... openat resumed>)       = 7
[pid   374] <... openat resumed>)       = 7
[pid   373] <... write resumed>)        = 275456
[pid   375] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   374] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   373] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC) = 7
[pid   373] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   371] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   371] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4) = 8
[pid   371] exit_group(0 <unfinished ...>
[pid   374] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   374] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   371] <... exit_group resumed>)   = ?
[pid   371] +++ exited with 0 +++
[pid   355] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=371, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid   355] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   355] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   355] getdents64(3,  <unfinished ...>
[pid   374] <... openat resumed>)       = 8
[pid   355] <... getdents64 resumed>0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   374] exit_group(0 <unfinished ...>
[pid   355] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] newfstatat(AT_FDCWD, "./2/binderfs",  <unfinished ...>
[pid   374] <... exit_group resumed>)   = ?
[pid   355] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   355] unlink("./2/binderfs")      = 0
[pid   372] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   372] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   373] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   373] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   355] umount2("./2/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   374] +++ exited with 0 +++
[pid   355] newfstatat(AT_FDCWD, "./2/cgroup.controllers",  <unfinished ...>
[pid   373] <... openat resumed>)       = 8
[pid   357] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=374, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid   355] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   355] unlink("./2/cgroup.controllers" <unfinished ...>
[pid   372] <... openat resumed>)       = 8
[pid   372] exit_group(0)               = ?
[pid   375] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   357] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   355] <... unlink resumed>)       = 0
[pid   375] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4) = 8
[pid   373] exit_group(0 <unfinished ...>
[pid   357] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   355] umount2("./2/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   375] exit_group(0)               = ?
[pid   373] <... exit_group resumed>)   = ?
[pid   357] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   355] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   372] +++ exited with 0 +++
[pid   375] +++ exited with 0 +++
[pid   357] <... openat resumed>)       = 3
[pid   357] newfstatat(3, "",  <unfinished ...>
[pid   355] newfstatat(AT_FDCWD, "./2/memory.events",  <unfinished ...>
[pid   358] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=372, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid   356] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=375, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid   358] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   357] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   356] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   355] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] getdents64(3,  <unfinished ...>
[pid   373] +++ exited with 0 +++
[pid   357] <... getdents64 resumed>0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   355] unlink("./2/memory.events" <unfinished ...>
[pid   356] <... restart_syscall resumed>) = 0
[pid   356] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   356] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   356] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   356] getdents64(3, 0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   356] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   356] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   356] unlink("./2/binderfs" <unfinished ...>
[pid   359] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=373, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid   358] <... restart_syscall resumed>) = 0
[pid   357] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   359] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   356] <... unlink resumed>)       = 0
[pid   356] umount2("./2/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   356] newfstatat(AT_FDCWD, "./2/cgroup.controllers", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   356] unlink("./2/cgroup.controllers") = 0
[pid   356] umount2("./2/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] <... unlink resumed>)       = 0
[pid   359] <... restart_syscall resumed>) = 0
[pid   356] newfstatat(AT_FDCWD, "./2/memory.events",  <unfinished ...>
[pid   357] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   358] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   355] getdents64(3,  <unfinished ...>
[pid   358] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   357] newfstatat(AT_FDCWD, "./2/binderfs",  <unfinished ...>
[pid   359] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   358] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   355] <... getdents64 resumed>0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   359] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   357] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] <... openat resumed>)       = 3
[pid   359] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   357] unlink("./2/binderfs" <unfinished ...>
[pid   358] newfstatat(3, "",  <unfinished ...>
[pid   359] <... openat resumed>)       = 3
[pid   355] close(3 <unfinished ...>
[pid   358] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   356] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] <... unlink resumed>)       = 0
[pid   359] newfstatat(3, "",  <unfinished ...>
[pid   358] getdents64(3,  <unfinished ...>
[pid   357] umount2("./2/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   355] <... close resumed>)        = 0
[pid   359] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   356] unlink("./2/memory.events" <unfinished ...>
[pid   358] <... getdents64 resumed>0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   359] getdents64(3,  <unfinished ...>
[pid   357] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   358] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   355] rmdir("./2" <unfinished ...>
[pid   359] <... getdents64 resumed>0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   358] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   357] newfstatat(AT_FDCWD, "./2/cgroup.controllers",  <unfinished ...>
[pid   355] <... rmdir resumed>)        = 0
[pid   359] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   358] newfstatat(AT_FDCWD, "./2/binderfs",  <unfinished ...>
[pid   359] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   357] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   355] mkdir("./3", 0777 <unfinished ...>
[pid   359] newfstatat(AT_FDCWD, "./2/binderfs",  <unfinished ...>
[pid   358] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] unlink("./2/cgroup.controllers" <unfinished ...>
[pid   359] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   355] <... mkdir resumed>)        = 0
[pid   359] unlink("./2/binderfs" <unfinished ...>
[pid   358] unlink("./2/binderfs" <unfinished ...>
[pid   357] <... unlink resumed>)       = 0
[pid   359] <... unlink resumed>)       = 0
[pid   356] <... unlink resumed>)       = 0
[pid   356] getdents64(3, 0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   358] <... unlink resumed>)       = 0
[pid   359] umount2("./2/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   358] umount2("./2/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   357] umount2("./2/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   355] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   359] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   358] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   357] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   356] close(3)                    = 0
[pid   356] rmdir("./2" <unfinished ...>
[pid   359] newfstatat(AT_FDCWD, "./2/cgroup.controllers",  <unfinished ...>
[pid   358] newfstatat(AT_FDCWD, "./2/cgroup.controllers",  <unfinished ...>
[pid   357] newfstatat(AT_FDCWD, "./2/memory.events",  <unfinished ...>
[pid   355] <... clone resumed>, child_tidptr=0x555557138650) = 376
[pid   359] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   359] unlink("./2/cgroup.controllers" <unfinished ...>
[pid   358] unlink("./2/cgroup.controllers" <unfinished ...>
[pid   357] unlink("./2/memory.events" <unfinished ...>
[pid   356] <... rmdir resumed>)        = 0
[pid   356] mkdir("./3", 0777 <unfinished ...>
[pid   359] <... unlink resumed>)       = 0
[pid   358] <... unlink resumed>)       = 0
[pid   356] <... mkdir resumed>)        = 0
[pid   356] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557138650) = 377
[pid   357] <... unlink resumed>)       = 0
[pid   359] umount2("./2/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   358] umount2("./2/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   357] getdents64(3,  <unfinished ...>
[pid   359] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   358] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   359] newfstatat(AT_FDCWD, "./2/memory.events",  <unfinished ...>
[pid   358] newfstatat(AT_FDCWD, "./2/memory.events",  <unfinished ...>
[pid   357] <... getdents64 resumed>0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   359] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] close(3 <unfinished ...>
[pid   359] unlink("./2/memory.events" <unfinished ...>
[pid   358] unlink("./2/memory.events"./strace-static-x86_64: Process 376 attached
 <unfinished ...>
[pid   376] set_robust_list(0x555557138660, 24) = 0
[pid   376] chdir("./3")                = 0
[pid   376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   376] setpgid(0, 0)               = 0
[pid   376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   359] <... unlink resumed>)       = 0
[pid   376] <... openat resumed>)       = 3
[pid   376] write(3, "1000", 4)         = 4
[pid   376] close(3)                    = 0
[pid   376] symlink("/dev/binderfs", "./binderfs") = 0
[pid   358] <... unlink resumed>)       = 0
[pid   357] <... close resumed>)        = 0
[pid   359] getdents64(3,  <unfinished ...>
[pid   358] getdents64(3,  <unfinished ...>
[pid   357] rmdir("./2" <unfinished ...>
[pid   376] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 3
[pid   376] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 <unfinished ...>
[pid   358] <... getdents64 resumed>0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   376] <... bpf resumed>)          = -1 E2BIG (Argument list too long)
[pid   376] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4
[pid   376] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   357] <... rmdir resumed>)        = 0
[pid   359] <... getdents64 resumed>0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   358] close(3 <unfinished ...>
[pid   357] mkdir("./3", 0777 <unfinished ...>
[pid   376] <... openat resumed>)       = 5
[pid   376] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 6
[pid   376] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   358] <... close resumed>)        = 0
[pid   359] close(3 <unfinished ...>
[pid   357] <... mkdir resumed>)        = 0
[pid   358] rmdir("./2" <unfinished ...>
[pid   359] <... close resumed>)        = 0
[pid   357] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   358] <... rmdir resumed>)        = 0
[pid   359] rmdir("./2")                = 0
[pid   358] mkdir("./3", 0777 <unfinished ...>
[pid   357] <... clone resumed>, child_tidptr=0x555557138650) = 378
[pid   359] mkdir("./3", 0777 <unfinished ...>
[pid   358] <... mkdir resumed>)        = 0
[pid   359] <... mkdir resumed>)        = 0
[pid   358] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   359] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557138650) = 380
[pid   358] <... clone resumed>, child_tidptr=0x555557138650) = 379
./strace-static-x86_64: Process 380 attached
./strace-static-x86_64: Process 377 attached
[pid   380] set_robust_list(0x555557138660, 24./strace-static-x86_64: Process 379 attached
) = 0
[pid   379] set_robust_list(0x555557138660, 24) = 0
[pid   379] chdir("./3")                = 0
[pid   379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   379] setpgid(0, 0)               = 0
[pid   379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   379] write(3, "1000", 4)         = 4
[pid   379] close(3)                    = 0
[pid   379] symlink("/dev/binderfs", "./binderfs") = 0
[pid   379] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000./strace-static-x86_64: Process 378 attached
 <unfinished ...>
[pid   380] chdir("./3" <unfinished ...>
[pid   377] set_robust_list(0x555557138660, 24 <unfinished ...>
[pid   380] <... chdir resumed>)        = 0
[pid   377] <... set_robust_list resumed>) = 0
[pid   380] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   380] setpgid(0, 0 <unfinished ...>
[pid   377] chdir("./3" <unfinished ...>
[pid   378] set_robust_list(0x555557138660, 24 <unfinished ...>
[pid   380] <... setpgid resumed>)      = 0
[pid   378] <... set_robust_list resumed>) = 0
[pid   377] <... chdir resumed>)        = 0
[pid   379] <... openat resumed>)       = 3
[pid   379] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = -1 E2BIG (Argument list too long)
[pid   379] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   377] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   376] <... write resumed>)        = 213248
[pid   376] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   380] <... openat resumed>)       = 3
[pid   377] <... prctl resumed>)        = 0
[pid   380] write(3, "1000", 4 <unfinished ...>
[pid   377] setpgid(0, 0 <unfinished ...>
[pid   380] <... write resumed>)        = 4
[pid   377] <... setpgid resumed>)      = 0
[pid   379] <... openat resumed>)       = 4
[pid   379] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   380] close(3)                    = 0
[pid   379] <... openat resumed>)       = 5
[pid   380] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   379] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 6
[pid   379] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   378] chdir("./3" <unfinished ...>
[pid   377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   378] <... chdir resumed>)        = 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 <unfinished ...>
[pid   380] <... symlink resumed>)      = 0
[pid   380] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   378] <... write resumed>)        = 4
[pid   378] close(3 <unfinished ...>
[pid   376] <... write resumed>)        = 275456
[pid   376] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC) = 7
[pid   380] <... openat resumed>)       = 3
[pid   376] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   380] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 <unfinished ...>
[pid   378] <... close resumed>)        = 0
[pid   380] <... bpf resumed>)          = -1 E2BIG (Argument list too long)
[pid   378] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   380] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4
[pid   380] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   377] <... openat resumed>)       = 3
[pid   380] <... openat resumed>)       = 5
[pid   380] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 6
[pid   380] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   377] write(3, "1000", 4 <unfinished ...>
[pid   378] <... symlink resumed>)      = 0
[pid   377] <... write resumed>)        = 4
[pid   377] close(3)                    = 0
[pid   378] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   377] symlink("/dev/binderfs", "./binderfs") = 0
[pid   378] <... openat resumed>)       = 3
[   22.270704][  T374] EXT4-fs (sda1): pa ffff8881e8778f18: logic 0, phys. 98752, len 64
[   22.279250][  T373] JBD2: Spotted dirty metadata buffer (dev = sda1, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
[   22.295822][  T375] EXT4-fs (sda1): pa ffff8881e87fac78: logic 0, phys. 98816, len 64
[   22.306507][  T356] JBD2: Spotted dirty metadata buffer (dev = sda1, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
[pid   377] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   378] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 <unfinished ...>
[pid   377] <... openat resumed>)       = 3
[pid   377] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 <unfinished ...>
[pid   378] <... bpf resumed>)          = -1 E2BIG (Argument list too long)
[pid   378] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   377] <... bpf resumed>)          = -1 E2BIG (Argument list too long)
[pid   377] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4
[pid   378] <... openat resumed>)       = 4
[pid   377] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   378] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   377] <... openat resumed>)       = 5
[pid   378] <... openat resumed>)       = 5
[pid   377] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC <unfinished ...>
[pid   378] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 6
[pid   377] <... openat resumed>)       = 6
[pid   378] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   377] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   380] <... write resumed>)        = 213248
[pid   379] <... write resumed>)        = 213248
[pid   380] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   379] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456) = 275456
[pid   379] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC) = 7
[pid   379] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   380] <... write resumed>)        = 275456
[pid   378] <... write resumed>)        = 213248
[pid   380] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC <unfinished ...>
[pid   378] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   377] <... write resumed>)        = 213248
[pid   380] <... openat resumed>)       = 7
[pid   377] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   380] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   378] <... write resumed>)        = 275456
[pid   378] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC) = 7
[pid   378] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   377] <... write resumed>)        = 275456
[pid   377] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC) = 7
[pid   377] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   376] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   376] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4) = 8
[pid   376] exit_group(0)               = ?
[pid   376] +++ exited with 0 +++
[pid   355] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=376, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid   355] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   355] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   355] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   355] getdents64(3, 0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   355] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   355] unlink("./3/binderfs")      = 0
[pid   355] umount2("./3/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] newfstatat(AT_FDCWD, "./3/cgroup.controllers", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   355] unlink("./3/cgroup.controllers") = 0
[pid   355] umount2("./3/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] newfstatat(AT_FDCWD, "./3/memory.events", {st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   355] unlink("./3/memory.events") = 0
[pid   355] getdents64(3, 0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   355] close(3)                    = 0
[pid   355] rmdir("./3")                = 0
[pid   355] mkdir("./4", 0777)          = 0
[pid   355] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 381 attached
, child_tidptr=0x555557138650) = 381
[pid   381] set_robust_list(0x555557138660, 24) = 0
[pid   381] chdir("./4")                = 0
[pid   381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   381] setpgid(0, 0)               = 0
[pid   381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   381] write(3, "1000", 4)         = 4
[pid   381] close(3)                    = 0
[pid   381] symlink("/dev/binderfs", "./binderfs") = 0
[pid   381] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 3
[pid   381] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = -1 E2BIG (Argument list too long)
[pid   381] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4
[pid   381] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4) = 5
[pid   381] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 6
[pid   381] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   377] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   377] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4) = 8
[pid   377] exit_group(0)               = ?
[pid   377] +++ exited with 0 +++
[pid   356] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=377, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   356] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   356] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   356] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   356] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   356] getdents64(3, 0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   380] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   356] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   356] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   356] unlink("./3/binderfs" <unfinished ...>
[pid   380] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   356] <... unlink resumed>)       = 0
[pid   356] umount2("./3/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   381] <... write resumed>)        = 213248
[pid   381] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   356] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   356] newfstatat(AT_FDCWD, "./3/cgroup.controllers", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   356] unlink("./3/cgroup.controllers" <unfinished ...>
[pid   380] <... openat resumed>)       = 8
[pid   380] exit_group(0)               = ?
[pid   356] <... unlink resumed>)       = 0
[pid   356] umount2("./3/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   380] +++ exited with 0 +++
[pid   359] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=380, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid   356] newfstatat(AT_FDCWD, "./3/memory.events",  <unfinished ...>
[pid   359] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   356] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   359] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   356] unlink("./3/memory.events" <unfinished ...>
[pid   359] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   379] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   359] <... openat resumed>)       = 3
[pid   379] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   359] newfstatat(3, "",  <unfinished ...>
[pid   356] <... unlink resumed>)       = 0
[pid   359] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   379] <... openat resumed>)       = 8
[pid   378] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   359] getdents64(3,  <unfinished ...>
[pid   378] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   359] <... getdents64 resumed>0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   379] exit_group(0 <unfinished ...>
[pid   378] <... openat resumed>)       = 8
[pid   359] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   379] <... exit_group resumed>)   = ?
[pid   378] exit_group(0 <unfinished ...>
[pid   359] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   378] <... exit_group resumed>)   = ?
[pid   359] newfstatat(AT_FDCWD, "./3/binderfs",  <unfinished ...>
[pid   379] +++ exited with 0 +++
[pid   378] +++ exited with 0 +++
[pid   359] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   359] unlink("./3/binderfs")      = 0
[pid   357] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=378, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid   359] umount2("./3/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   359] newfstatat(AT_FDCWD, "./3/cgroup.controllers",  <unfinished ...>
[pid   358] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=379, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   359] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   359] unlink("./3/cgroup.controllers" <unfinished ...>
[pid   358] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   359] <... unlink resumed>)       = 0
[pid   357] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   359] umount2("./3/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   358] <... restart_syscall resumed>) = 0
[pid   359] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   357] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   359] newfstatat(AT_FDCWD, "./3/memory.events", {st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   359] unlink("./3/memory.events" <unfinished ...>
[pid   358] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   359] <... unlink resumed>)       = 0
[pid   357] <... openat resumed>)       = 3
[pid   359] getdents64(3,  <unfinished ...>
[pid   358] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   357] newfstatat(3, "",  <unfinished ...>
[pid   359] <... getdents64 resumed>0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   358] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   359] close(3 <unfinished ...>
[pid   357] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   359] <... close resumed>)        = 0
[pid   358] <... openat resumed>)       = 3
[pid   359] rmdir("./3")                = 0
[pid   358] newfstatat(3, "",  <unfinished ...>
[pid   357] getdents64(3,  <unfinished ...>
[pid   359] mkdir("./4", 0777)          = 0
[pid   358] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   357] <... getdents64 resumed>0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   359] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   358] getdents64(3,  <unfinished ...>
[pid   357] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   359] <... clone resumed>, child_tidptr=0x555557138650) = 382
[pid   357] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   358] <... getdents64 resumed>0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   357] newfstatat(AT_FDCWD, "./3/binderfs",  <unfinished ...>
[pid   358] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   357] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   357] unlink("./3/binderfs" <unfinished ...>
[pid   358] newfstatat(AT_FDCWD, "./3/binderfs",  <unfinished ...>
[pid   356] getdents64(3,  <unfinished ...>
[pid   357] <... unlink resumed>)       = 0
[pid   356] <... getdents64 resumed>0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   358] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] unlink("./3/binderfs" <unfinished ...>
[pid   357] umount2("./3/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   356] close(3)                    = 0
[pid   356] rmdir("./3" <unfinished ...>
[pid   358] <... unlink resumed>)       = 0
[pid   357] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   356] <... rmdir resumed>)        = 0
[pid   356] mkdir("./4", 0777 <unfinished ...>
[pid   358] umount2("./3/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   357] newfstatat(AT_FDCWD, "./3/cgroup.controllers",  <unfinished ...>
[pid   356] <... mkdir resumed>)        = 0
./strace-static-x86_64: Process 382 attached
[pid   358] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   357] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   356] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   382] set_robust_list(0x555557138660, 24 <unfinished ...>
[pid   358] newfstatat(AT_FDCWD, "./3/cgroup.controllers",  <unfinished ...>
[pid   357] unlink("./3/cgroup.controllers"./strace-static-x86_64: Process 383 attached
 <unfinished ...>
[pid   356] <... clone resumed>, child_tidptr=0x555557138650) = 383
[pid   382] <... set_robust_list resumed>) = 0
[pid   382] chdir("./4" <unfinished ...>
[pid   358] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] <... unlink resumed>)       = 0
[pid   357] umount2("./3/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   358] unlink("./3/cgroup.controllers" <unfinished ...>
[pid   357] newfstatat(AT_FDCWD, "./3/memory.events", {st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] unlink("./3/memory.events" <unfinished ...>
[pid   383] set_robust_list(0x555557138660, 24 <unfinished ...>
[pid   382] <... chdir resumed>)        = 0
[pid   358] <... unlink resumed>)       = 0
[pid   357] <... unlink resumed>)       = 0
[pid   357] getdents64(3, 0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   357] close(3)                    = 0
[pid   357] rmdir("./3")                = 0
[pid   357] mkdir("./4", 0777)          = 0
[pid   382] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   358] umount2("./3/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   357] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 384 attached
 <unfinished ...>
[pid   383] <... set_robust_list resumed>) = 0
[pid   382] <... prctl resumed>)        = 0
[pid   358] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   357] <... clone resumed>, child_tidptr=0x555557138650) = 384
[pid   382] setpgid(0, 0 <unfinished ...>
[pid   358] newfstatat(AT_FDCWD, "./3/memory.events", {st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   382] <... setpgid resumed>)      = 0
[pid   358] unlink("./3/memory.events" <unfinished ...>
[pid   382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   358] <... unlink resumed>)       = 0
[pid   382] <... openat resumed>)       = 3
[pid   382] write(3, "1000", 4 <unfinished ...>
[pid   358] getdents64(3,  <unfinished ...>
[pid   383] chdir("./4" <unfinished ...>
[pid   382] <... write resumed>)        = 4
[pid   358] <... getdents64 resumed>0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   382] close(3 <unfinished ...>
[pid   358] close(3 <unfinished ...>
[pid   383] <... chdir resumed>)        = 0
[pid   382] <... close resumed>)        = 0
[pid   383] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   358] <... close resumed>)        = 0
[pid   384] set_robust_list(0x555557138660, 24 <unfinished ...>
[pid   383] <... prctl resumed>)        = 0
[pid   382] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   358] rmdir("./3" <unfinished ...>
[pid   382] <... symlink resumed>)      = 0
[pid   384] <... set_robust_list resumed>) = 0
[pid   383] setpgid(0, 0 <unfinished ...>
[pid   382] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   358] <... rmdir resumed>)        = 0
[pid   383] <... setpgid resumed>)      = 0
[pid   358] mkdir("./4", 0777 <unfinished ...>
[pid   383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   382] <... openat resumed>)       = 3
[pid   358] <... mkdir resumed>)        = 0
[pid   382] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 <unfinished ...>
[pid   383] <... openat resumed>)       = 3
[pid   382] <... bpf resumed>)          = -1 E2BIG (Argument list too long)
[pid   358] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   382] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4
[pid   382] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4) = 5
[pid   382] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 6
[pid   381] <... write resumed>)        = 275456
[pid   358] <... clone resumed>, child_tidptr=0x555557138650) = 385
[pid   382] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   381] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC <unfinished ...>
[pid   384] chdir("./4" <unfinished ...>
[pid   383] write(3, "1000", 4 <unfinished ...>
[pid   381] <... openat resumed>)       = 7
[pid   381] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0./strace-static-x86_64: Process 385 attached
 <unfinished ...>
[pid   385] set_robust_list(0x555557138660, 24) = 0
[pid   385] chdir("./4" <unfinished ...>
[pid   384] <... chdir resumed>)        = 0
[pid   383] <... write resumed>)        = 4
[pid   385] <... chdir resumed>)        = 0
[pid   385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   385] setpgid(0, 0)               = 0
[pid   385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   383] close(3 <unfinished ...>
[pid   384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   383] <... close resumed>)        = 0
[pid   383] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   385] <... openat resumed>)       = 3
[pid   384] setpgid(0, 0 <unfinished ...>
[pid   383] <... symlink resumed>)      = 0
[pid   385] write(3, "1000", 4)         = 4
[pid   385] close(3)                    = 0
[pid   385] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   383] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   384] <... setpgid resumed>)      = 0
[pid   385] <... symlink resumed>)      = 0
[pid   385] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   383] <... openat resumed>)       = 3
[pid   385] <... openat resumed>)       = 3
[pid   383] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 <unfinished ...>
[pid   384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   385] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 <unfinished ...>
[pid   383] <... bpf resumed>)          = -1 E2BIG (Argument list too long)
[pid   383] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   385] <... bpf resumed>)          = -1 E2BIG (Argument list too long)
[pid   383] <... openat resumed>)       = 4
[pid   385] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4
[pid   383] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4) = 5
[pid   385] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   383] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC <unfinished ...>
[pid   384] <... openat resumed>)       = 3
[pid   383] <... openat resumed>)       = 6
[pid   385] <... openat resumed>)       = 5
[pid   384] write(3, "1000", 4 <unfinished ...>
[pid   383] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   385] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 6
[   22.430593][  T126] JBD2: Spotted dirty metadata buffer (dev = sda1, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
[   22.444498][  T356] JBD2: Spotted dirty metadata buffer (dev = sda1, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
[   22.460504][  T381] JBD2: Spotted dirty metadata buffer (dev = sda1, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
[pid   385] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   384] <... write resumed>)        = 4
[pid   384] close(3)                    = 0
[pid   384] symlink("/dev/binderfs", "./binderfs") = 0
[pid   384] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 3
[pid   384] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = -1 E2BIG (Argument list too long)
[pid   384] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4
[pid   384] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4) = 5
[pid   384] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 6
[pid   384] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   383] <... write resumed>)        = 213248
[pid   382] <... write resumed>)        = 213248
[pid   385] <... write resumed>)        = 213248
[pid   385] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   383] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   382] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   384] <... write resumed>)        = 213248
[pid   384] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   382] <... write resumed>)        = 275456
[pid   382] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC) = 7
[pid   382] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   385] <... write resumed>)        = 275456
[pid   384] <... write resumed>)        = 275456
[pid   383] <... write resumed>)        = 275456
[pid   385] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC <unfinished ...>
[pid   383] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC <unfinished ...>
[pid   385] <... openat resumed>)       = 7
[pid   383] <... openat resumed>)       = 7
[pid   385] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   383] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   384] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC) = 7
[pid   384] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   381] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   381] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4) = 8
[pid   381] exit_group(0)               = ?
[pid   381] +++ exited with 0 +++
[pid   355] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=381, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   355] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   355] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   355] getdents64(3, 0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   355] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   355] unlink("./4/binderfs")      = 0
[pid   355] umount2("./4/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] newfstatat(AT_FDCWD, "./4/cgroup.controllers", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   355] unlink("./4/cgroup.controllers") = 0
[pid   355] umount2("./4/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] newfstatat(AT_FDCWD, "./4/memory.events", {st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   355] unlink("./4/memory.events") = 0
[pid   355] getdents64(3, 0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   355] close(3)                    = 0
[pid   355] rmdir("./4")                = 0
[pid   355] mkdir("./5", 0777)          = 0
[pid   355] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557138650) = 386
./strace-static-x86_64: Process 386 attached
[pid   386] set_robust_list(0x555557138660, 24) = 0
[pid   386] chdir("./5")                = 0
[pid   386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   386] setpgid(0, 0)               = 0
[pid   386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   386] write(3, "1000", 4)         = 4
[pid   386] close(3)                    = 0
[pid   386] symlink("/dev/binderfs", "./binderfs") = 0
[pid   386] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 3
[pid   382] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   382] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4) = 8
[pid   382] exit_group(0 <unfinished ...>
[pid   383] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   382] <... exit_group resumed>)   = ?
[pid   383] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   382] +++ exited with 0 +++
[pid   359] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=382, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   386] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 <unfinished ...>
[pid   359] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   386] <... bpf resumed>)          = -1 E2BIG (Argument list too long)
[pid   359] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   386] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   359] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   386] <... openat resumed>)       = 4
[pid   359] <... openat resumed>)       = 3
[pid   386] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   359] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   386] <... openat resumed>)       = 5
[pid   359] getdents64(3,  <unfinished ...>
[pid   386] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC <unfinished ...>
[pid   359] <... getdents64 resumed>0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   386] <... openat resumed>)       = 6
[pid   359] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   359] newfstatat(AT_FDCWD, "./4/binderfs",  <unfinished ...>
[pid   386] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   359] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   359] unlink("./4/binderfs" <unfinished ...>
[pid   383] <... openat resumed>)       = 8
[pid   359] <... unlink resumed>)       = 0
[pid   359] umount2("./4/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   359] newfstatat(AT_FDCWD, "./4/cgroup.controllers", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   359] unlink("./4/cgroup.controllers") = 0
[pid   359] umount2("./4/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   359] newfstatat(AT_FDCWD, "./4/memory.events", {st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   359] unlink("./4/memory.events") = 0
[pid   359] getdents64(3, 0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   359] close(3)                    = 0
[pid   359] rmdir("./4")                = 0
[pid   359] mkdir("./5", 0777)          = 0
[pid   359] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557138650) = 387
./strace-static-x86_64: Process 387 attached
[pid   387] set_robust_list(0x555557138660, 24) = 0
[pid   387] chdir("./5")                = 0
[pid   387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   387] setpgid(0, 0)               = 0
[pid   387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   387] write(3, "1000", 4)         = 4
[pid   387] close(3)                    = 0
[pid   387] symlink("/dev/binderfs", "./binderfs") = 0
[pid   387] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 3
[pid   387] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = -1 E2BIG (Argument list too long)
[pid   383] exit_group(0)               = ?
[   22.581962][  T383] JBD2: Spotted dirty metadata buffer (dev = sda1, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
[   22.608876][  T126] JBD2: Spotted dirty metadata buffer (dev = sda1, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
[pid   387] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4
[pid   383] +++ exited with 0 +++
[pid   356] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=383, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid   356] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   356] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   356] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   356] getdents64(3, 0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   356] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   356] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   356] unlink("./4/binderfs" <unfinished ...>
[pid   387] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   384] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   384] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   385] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   385] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   387] <... openat resumed>)       = 5
[pid   387] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC <unfinished ...>
[pid   385] <... openat resumed>)       = 8
[pid   387] <... openat resumed>)       = 6
[pid   386] <... write resumed>)        = 213248
[pid   386] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   384] <... openat resumed>)       = 8
[pid   387] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   385] exit_group(0 <unfinished ...>
[pid   356] <... unlink resumed>)       = 0
[pid   384] exit_group(0 <unfinished ...>
[pid   385] <... exit_group resumed>)   = ?
[pid   384] <... exit_group resumed>)   = ?
[pid   356] umount2("./4/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   385] +++ exited with 0 +++
[pid   356] newfstatat(AT_FDCWD, "./4/cgroup.controllers", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=385, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid   356] unlink("./4/cgroup.controllers" <unfinished ...>
[pid   358] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   358] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   384] +++ exited with 0 +++
[pid   358] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   357] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=384, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   358] <... openat resumed>)       = 3
[pid   358] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   358] getdents64(3,  <unfinished ...>
[pid   357] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   357] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   357] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   357] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[   22.622400][  T387] JBD2: Spotted dirty metadata buffer (dev = sda1, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
[   22.638213][  T384] JBD2: Spotted dirty metadata buffer (dev = sda1, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
[   22.655425][  T126] JBD2: Spotted dirty metadata buffer (dev = sda1, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
[pid   357] getdents64(3, 0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   358] <... getdents64 resumed>0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   357] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   357] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] unlink("./4/binderfs" <unfinished ...>
[pid   358] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   357] <... unlink resumed>)       = 0
[pid   357] umount2("./4/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   358] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   358] newfstatat(AT_FDCWD, "./4/binderfs",  <unfinished ...>
[pid   357] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   357] newfstatat(AT_FDCWD, "./4/cgroup.controllers", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] unlink("./4/cgroup.controllers") = 0
[pid   357] umount2("./4/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   357] newfstatat(AT_FDCWD, "./4/memory.events", {st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] unlink("./4/memory.events" <unfinished ...>
[pid   358] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] <... unlink resumed>)       = 0
[pid   358] unlink("./4/binderfs" <unfinished ...>
[pid   357] getdents64(3, 0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   358] <... unlink resumed>)       = 0
[pid   357] close(3 <unfinished ...>
[pid   358] umount2("./4/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   357] <... close resumed>)        = 0
[pid   358] newfstatat(AT_FDCWD, "./4/cgroup.controllers",  <unfinished ...>
[pid   357] rmdir("./4" <unfinished ...>
[pid   358] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] <... rmdir resumed>)        = 0
[pid   357] mkdir("./5", 0777 <unfinished ...>
[pid   358] unlink("./4/cgroup.controllers" <unfinished ...>
[pid   357] <... mkdir resumed>)        = 0
[pid   357] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   358] <... unlink resumed>)       = 0
[pid   358] umount2("./4/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   357] <... clone resumed>, child_tidptr=0x555557138650) = 388
[pid   358] newfstatat(AT_FDCWD, "./4/memory.events", {st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] unlink("./4/memory.events"./strace-static-x86_64: Process 388 attached
 <unfinished ...>
[pid   388] set_robust_list(0x555557138660, 24) = 0
[pid   388] chdir("./5")                = 0
[pid   388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   388] setpgid(0, 0)               = 0
[pid   358] <... unlink resumed>)       = 0
[pid   358] getdents64(3,  <unfinished ...>
[pid   388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   358] <... getdents64 resumed>0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   358] close(3)                    = 0
[pid   358] rmdir("./4")                = 0
[pid   388] <... openat resumed>)       = 3
[pid   388] write(3, "1000", 4)         = 4
[pid   388] close(3)                    = 0
[pid   388] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   358] mkdir("./5", 0777 <unfinished ...>
[pid   386] <... write resumed>)        = 275456
[pid   388] <... symlink resumed>)      = 0
[pid   388] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   386] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC) = 7
[pid   386] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   358] <... mkdir resumed>)        = 0
[pid   358] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   388] <... openat resumed>)       = 3
[pid   388] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = -1 E2BIG (Argument list too long)
[pid   388] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4
[pid   388] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4) = 5
[pid   388] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 6
[pid   388] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   358] <... clone resumed>, child_tidptr=0x555557138650) = 389
[pid   356] <... unlink resumed>)       = 0
[pid   356] umount2("./4/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 389 attached
) = -1 EINVAL (Invalid argument)
[pid   389] set_robust_list(0x555557138660, 24) = 0
[pid   389] chdir("./5")                = 0
[pid   389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   389] setpgid(0, 0)               = 0
[pid   389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   389] write(3, "1000", 4)         = 4
[pid   389] close(3)                    = 0
[pid   389] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   356] newfstatat(AT_FDCWD, "./4/memory.events", {st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   356] unlink("./4/memory.events" <unfinished ...>
[pid   387] <... write resumed>)        = 213248
[pid   389] <... symlink resumed>)      = 0
[pid   387] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   356] <... unlink resumed>)       = 0
[pid   389] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 3
[pid   389] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = -1 E2BIG (Argument list too long)
[pid   389] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4
[pid   356] getdents64(3, 0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   356] close(3)                    = 0
[pid   356] rmdir("./4" <unfinished ...>
[pid   389] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4) = 5
[pid   389] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 6
[pid   389] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   356] <... rmdir resumed>)        = 0
[pid   356] mkdir("./5", 0777)          = 0
[pid   356] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557138650) = 390
[pid   388] <... write resumed>)        = 213248
[pid   388] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456./strace-static-x86_64: Process 390 attached
 <unfinished ...>
[pid   390] set_robust_list(0x555557138660, 24) = 0
[pid   390] chdir("./5")                = 0
[pid   390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   387] <... write resumed>)        = 275456
[pid   390] setpgid(0, 0 <unfinished ...>
[pid   387] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC <unfinished ...>
[pid   390] <... setpgid resumed>)      = 0
[pid   387] <... openat resumed>)       = 7
[pid   387] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   390] write(3, "1000", 4)         = 4
[pid   390] close(3 <unfinished ...>
[pid   388] <... write resumed>)        = 275456
[pid   388] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC) = 7
[pid   388] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   390] <... close resumed>)        = 0
[pid   389] <... write resumed>)        = 213248
[pid   389] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   390] symlink("/dev/binderfs", "./binderfs") = 0
[pid   390] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 3
[pid   390] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = -1 E2BIG (Argument list too long)
[pid   389] <... write resumed>)        = 275456
[   22.671166][  T356] JBD2: Spotted dirty metadata buffer (dev = sda1, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
[pid   390] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   389] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC <unfinished ...>
[pid   390] <... openat resumed>)       = 4
[pid   390] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   389] <... openat resumed>)       = 7
[pid   389] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   390] <... openat resumed>)       = 5
[pid   390] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 6
[pid   386] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   386] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   390] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   386] <... openat resumed>)       = 8
[pid   386] exit_group(0)               = ?
[pid   386] +++ exited with 0 +++
[pid   355] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=386, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid   355] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   355] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   355] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   355] getdents64(3, 0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   355] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   355] unlink("./5/binderfs")      = 0
[pid   355] umount2("./5/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] newfstatat(AT_FDCWD, "./5/cgroup.controllers", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   355] unlink("./5/cgroup.controllers") = 0
[pid   355] umount2("./5/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] newfstatat(AT_FDCWD, "./5/memory.events", {st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   355] unlink("./5/memory.events") = 0
[pid   355] getdents64(3, 0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   355] close(3)                    = 0
[pid   387] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   355] rmdir("./5" <unfinished ...>
[pid   387] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   355] <... rmdir resumed>)        = 0
[pid   355] mkdir("./6", 0777 <unfinished ...>
[pid   387] <... openat resumed>)       = 8
[pid   355] <... mkdir resumed>)        = 0
[pid   355] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   387] exit_group(0)               = ?
[pid   387] +++ exited with 0 +++
[pid   359] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=387, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid   355] <... clone resumed>, child_tidptr=0x555557138650) = 391
[pid   359] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   359] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 391 attached
) = -1 EINVAL (Invalid argument)
[pid   359] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   391] set_robust_list(0x555557138660, 24) = 0
[pid   359] <... openat resumed>)       = 3
[pid   359] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   359] getdents64(3,  <unfinished ...>
[pid   391] chdir("./6")                = 0
[pid   391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   391] setpgid(0, 0 <unfinished ...>
[pid   359] <... getdents64 resumed>0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   391] <... setpgid resumed>)      = 0
[pid   359] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   359] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   359] unlink("./5/binderfs" <unfinished ...>
[pid   391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   391] write(3, "1000", 4)         = 4
[pid   391] close(3)                    = 0
[pid   391] symlink("/dev/binderfs", "./binderfs") = 0
[pid   391] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 3
[pid   391] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = -1 E2BIG (Argument list too long)
[pid   391] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4
[pid   391] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4) = 5
[pid   359] <... unlink resumed>)       = 0
[pid   391] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC <unfinished ...>
[pid   359] umount2("./5/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   391] <... openat resumed>)       = 6
[pid   359] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   391] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   359] newfstatat(AT_FDCWD, "./5/cgroup.controllers", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   359] unlink("./5/cgroup.controllers") = 0
[pid   359] umount2("./5/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   359] newfstatat(AT_FDCWD, "./5/memory.events", {st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   359] unlink("./5/memory.events" <unfinished ...>
[pid   390] <... write resumed>)        = 213248
[pid   390] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   388] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   388] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   359] <... unlink resumed>)       = 0
[pid   359] getdents64(3, 0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   359] close(3)                    = 0
[pid   359] rmdir("./5" <unfinished ...>
[pid   388] <... openat resumed>)       = 8
[pid   388] exit_group(0 <unfinished ...>
[pid   359] <... rmdir resumed>)        = 0
[pid   388] <... exit_group resumed>)   = ?
[pid   359] mkdir("./6", 0777 <unfinished ...>
[pid   388] +++ exited with 0 +++
[pid   359] <... mkdir resumed>)        = 0
[pid   357] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=388, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid   357] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   359] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   357] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   357] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   357] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   357] getdents64(3, 0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   357] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   357] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] unlink("./5/binderfs" <unfinished ...>
[pid   359] <... clone resumed>, child_tidptr=0x555557138650) = 393
[pid   357] <... unlink resumed>)       = 0
[pid   357] umount2("./5/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   357] newfstatat(AT_FDCWD, "./5/cgroup.controllers", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] unlink("./5/cgroup.controllers"./strace-static-x86_64: Process 393 attached
) = 0
[pid   357] umount2("./5/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   357] newfstatat(AT_FDCWD, "./5/memory.events", {st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] unlink("./5/memory.events" <unfinished ...>
[pid   393] set_robust_list(0x555557138660, 24) = 0
[pid   393] chdir("./6")                = 0
[pid   393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   393] setpgid(0, 0)               = 0
[pid   393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   357] <... unlink resumed>)       = 0
[pid   389] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   389] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   357] getdents64(3,  <unfinished ...>
[pid   393] <... openat resumed>)       = 3
[pid   393] write(3, "1000", 4)         = 4
[pid   393] close(3)                    = 0
[pid   393] symlink("/dev/binderfs", "./binderfs") = 0
[pid   393] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 3
[pid   389] <... openat resumed>)       = 8
[pid   357] <... getdents64 resumed>0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   357] close(3 <unfinished ...>
[pid   393] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 <unfinished ...>
[pid   389] exit_group(0 <unfinished ...>
[pid   357] <... close resumed>)        = 0
[pid   389] <... exit_group resumed>)   = ?
[pid   357] rmdir("./5" <unfinished ...>
[pid   393] <... bpf resumed>)          = -1 E2BIG (Argument list too long)
[pid   393] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   357] <... rmdir resumed>)        = 0
[pid   393] <... openat resumed>)       = 4
[pid   393] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   357] mkdir("./6", 0777 <unfinished ...>
[pid   393] <... openat resumed>)       = 5
[pid   393] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 6
[pid   393] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   357] <... mkdir resumed>)        = 0
[pid   357] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   389] +++ exited with 0 +++
[pid   357] <... clone resumed>, child_tidptr=0x555557138650) = 394
[pid   358] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=389, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   358] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   358] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   358] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   358] getdents64(3, 0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   358] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   358] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] unlink("./5/binderfs")      = 0
[pid   358] umount2("./5/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   358] newfstatat(AT_FDCWD, "./5/cgroup.controllers", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] unlink("./5/cgroup.controllers") = 0
[pid   358] umount2("./5/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   358] newfstatat(AT_FDCWD, "./5/memory.events", {st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] unlink("./5/memory.events") = 0
[pid   358] getdents64(3, 0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   358] close(3)                    = 0
[pid   358] rmdir("./5")                = 0
[pid   358] mkdir("./6", 0777)          = 0
[pid   358] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 395 attached
, child_tidptr=0x555557138650) = 395
[pid   395] set_robust_list(0x555557138660, 24./strace-static-x86_64: Process 394 attached
 <unfinished ...>
[pid   394] set_robust_list(0x555557138660, 24) = 0
[pid   394] chdir("./6")                = 0
[pid   394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   394] setpgid(0, 0)               = 0
[pid   394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   394] write(3, "1000", 4)         = 4
[pid   394] close(3)                    = 0
[pid   394] symlink("/dev/binderfs", "./binderfs") = 0
[pid   394] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 3
[pid   394] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 <unfinished ...>
[pid   395] <... set_robust_list resumed>) = 0
[pid   394] <... bpf resumed>)          = -1 E2BIG (Argument list too long)
[pid   394] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4
[pid   394] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   395] chdir("./6" <unfinished ...>
[pid   394] <... openat resumed>)       = 5
[pid   394] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 6
[pid   394] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   395] <... chdir resumed>)        = 0
[pid   395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   395] setpgid(0, 0)               = 0
[pid   395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   395] write(3, "1000", 4)         = 4
[pid   395] close(3)                    = 0
[pid   395] symlink("/dev/binderfs", "./binderfs") = 0
[pid   395] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 3
[pid   395] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = -1 E2BIG (Argument list too long)
[pid   395] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4
[pid   395] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4) = 5
[pid   395] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 6
[pid   395] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   391] <... write resumed>)        = 213248
[pid   393] <... write resumed>)        = 213248
[pid   391] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   393] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   395] <... write resumed>)        = 213248
[pid   394] <... write resumed>)        = 213248
[pid   395] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   394] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   390] <... write resumed>)        = 275456
[   22.753361][  T359] JBD2: Spotted dirty metadata buffer (dev = sda1, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
[   22.774428][  T390] JBD2: Spotted dirty metadata buffer (dev = sda1, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
[pid   390] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC) = 7
[pid   390] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   393] <... write resumed>)        = 275456
[pid   393] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC) = 7
[pid   393] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   391] <... write resumed>)        = 275456
[pid   391] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC) = 7
[pid   391] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   395] <... write resumed>)        = 275456
[pid   395] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC <unfinished ...>
[pid   394] <... write resumed>)        = 275456
[pid   395] <... openat resumed>)       = 7
[pid   395] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   394] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC) = 7
[pid   394] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   393] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   393] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   391] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   391] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4) = 8
[pid   391] exit_group(0 <unfinished ...>
[pid   390] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   390] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   391] <... exit_group resumed>)   = ?
[pid   390] <... openat resumed>)       = 8
[pid   391] +++ exited with 0 +++
[pid   390] exit_group(0)               = ?
[pid   355] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=391, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid   390] +++ exited with 0 +++
[pid   355] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   356] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=390, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid   355] <... restart_syscall resumed>) = 0
[pid   356] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   355] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   356] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   356] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   356] newfstatat(3, "",  <unfinished ...>
[pid   355] <... openat resumed>)       = 3
[pid   356] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   355] newfstatat(3, "",  <unfinished ...>
[pid   356] getdents64(3,  <unfinished ...>
[pid   355] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   356] <... getdents64 resumed>0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   355] getdents64(3,  <unfinished ...>
[pid   356] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   355] <... getdents64 resumed>0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   356] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   355] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   356] newfstatat(AT_FDCWD, "./5/binderfs",  <unfinished ...>
[pid   355] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   356] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   355] newfstatat(AT_FDCWD, "./6/binderfs",  <unfinished ...>
[pid   356] unlink("./5/binderfs" <unfinished ...>
[pid   355] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   355] unlink("./6/binderfs")      = 0
[pid   355] umount2("./6/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] newfstatat(AT_FDCWD, "./6/cgroup.controllers", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   355] unlink("./6/cgroup.controllers") = 0
[pid   355] umount2("./6/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] newfstatat(AT_FDCWD, "./6/memory.events", {st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   355] unlink("./6/memory.events" <unfinished ...>
[pid   394] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   355] <... unlink resumed>)       = 0
[pid   394] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   355] getdents64(3,  <unfinished ...>
[pid   394] <... openat resumed>)       = 8
[pid   393] <... openat resumed>)       = 8
[pid   356] <... unlink resumed>)       = 0
[pid   394] exit_group(0)               = ?
[pid   394] +++ exited with 0 +++
[pid   393] exit_group(0 <unfinished ...>
[pid   356] umount2("./5/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   355] <... getdents64 resumed>0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   395] <... ioctl resumed>)        = -1 ENODATA (No data available)
[pid   393] <... exit_group resumed>)   = ?
[pid   357] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=394, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   357] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   357] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   357] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   357] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   357] getdents64(3, 0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   357] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   357] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] unlink("./6/binderfs" <unfinished ...>
[pid   395] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   393] +++ exited with 0 +++
[pid   356] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   355] close(3 <unfinished ...>
[pid   359] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=393, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid   356] newfstatat(AT_FDCWD, "./5/cgroup.controllers",  <unfinished ...>
[pid   355] <... close resumed>)        = 0
[pid   359] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   356] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   355] rmdir("./6" <unfinished ...>
[pid   359] <... restart_syscall resumed>) = 0
[pid   356] unlink("./5/cgroup.controllers" <unfinished ...>
[pid   359] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   359] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   359] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   359] getdents64(3, 0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   359] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   359] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   359] unlink("./6/binderfs" <unfinished ...>
[pid   357] <... unlink resumed>)       = 0
[pid   357] umount2("./6/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   357] newfstatat(AT_FDCWD, "./6/cgroup.controllers", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] unlink("./6/cgroup.controllers") = 0
[pid   357] umount2("./6/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   357] newfstatat(AT_FDCWD, "./6/memory.events", {st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] unlink("./6/memory.events" <unfinished ...>
[pid   395] <... openat resumed>)       = 8
[pid   357] <... unlink resumed>)       = 0
[pid   355] <... rmdir resumed>)        = 0
[pid   359] <... unlink resumed>)       = 0
[pid   357] getdents64(3,  <unfinished ...>
[pid   359] umount2("./6/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   355] mkdir("./7", 0777 <unfinished ...>
[pid   357] <... getdents64 resumed>0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   395] exit_group(0 <unfinished ...>
[pid   357] close(3 <unfinished ...>
[pid   359] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   357] <... close resumed>)        = 0
[pid   357] rmdir("./6")                = 0
[pid   355] <... mkdir resumed>)        = 0
[pid   359] newfstatat(AT_FDCWD, "./6/cgroup.controllers",  <unfinished ...>
[pid   395] <... exit_group resumed>)   = ?
[pid   355] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   359] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] mkdir("./7", 0777 <unfinished ...>
[pid   359] unlink("./6/cgroup.controllers" <unfinished ...>
[pid   357] <... mkdir resumed>)        = 0
[pid   357] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557138650) = 397
[pid   395] +++ exited with 0 +++
./strace-static-x86_64: Process 396 attached
[pid   396] set_robust_list(0x555557138660, 24) = 0
[pid   396] chdir("./7")                = 0
[pid   396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   396] setpgid(0, 0)               = 0
[pid   396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   396] write(3, "1000", 4)         = 4
[pid   396] close(3)                    = 0
[pid   396] symlink("/dev/binderfs", "./binderfs") = 0
[pid   396] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 3
[pid   396] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = -1 E2BIG (Argument list too long)
[pid   396] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 4
[pid   396] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4./strace-static-x86_64: Process 397 attached
[   22.888939][  T356] JBD2: Spotted dirty metadata buffer (dev = sda1, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
[   22.918533][  T357] JBD2: Spotted dirty metadata buffer (dev = sda1, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
 <unfinished ...>
[pid   397] set_robust_list(0x555557138660, 24 <unfinished ...>
[pid   358] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=395, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   355] <... clone resumed>, child_tidptr=0x555557138650) = 396
[pid   358] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   358] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   358] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   358] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   358] getdents64(3, 0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   358] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   358] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] unlink("./6/binderfs")      = 0
[pid   358] umount2("./6/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   358] newfstatat(AT_FDCWD, "./6/cgroup.controllers", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] unlink("./6/cgroup.controllers" <unfinished ...>
[pid   397] <... set_robust_list resumed>) = 0
[pid   359] <... unlink resumed>)       = 0
[pid   358] <... unlink resumed>)       = 0
[pid   358] umount2("./6/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   356] <... unlink resumed>)       = 0
[pid   358] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   358] newfstatat(AT_FDCWD, "./6/memory.events", {st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] unlink("./6/memory.events" <unfinished ...>
[pid   397] chdir("./7" <unfinished ...>
[pid   396] <... openat resumed>)       = 5
[pid   359] umount2("./6/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   358] <... unlink resumed>)       = 0
[pid   356] umount2("./5/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   358] getdents64(3, 0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   358] close(3)                    = 0
[pid   358] rmdir("./6")                = 0
[pid   396] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC <unfinished ...>
[pid   358] mkdir("./7", 0777 <unfinished ...>
[pid   356] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   397] <... chdir resumed>)        = 0
[pid   396] <... openat resumed>)       = 6
[pid   359] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   358] <... mkdir resumed>)        = 0
[pid   356] newfstatat(AT_FDCWD, "./5/memory.events",  <unfinished ...>
[pid   396] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   358] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557138650) = 398
./strace-static-x86_64: Process 398 attached
[pid   398] set_robust_list(0x555557138660, 24) = 0
[pid   398] chdir("./7")                = 0
[pid   398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   398] setpgid(0, 0)               = 0
[pid   398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   398] write(3, "1000", 4)         = 4
[pid   398] close(3)                    = 0
[pid   398] symlink("/dev/binderfs", "./binderfs") = 0
[pid   398] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000) = 3
[pid   398] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = -1 E2BIG (Argument list too long)
[pid   398] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   356] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   398] <... openat resumed>)       = 4
[pid   398] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4) = 5
[pid   398] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC) = 6
[pid   398] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   397] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   359] newfstatat(AT_FDCWD, "./6/memory.events",  <unfinished ...>
[pid   356] unlink("./5/memory.events") = 0
[pid   397] <... prctl resumed>)        = 0
[pid   359] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   356] getdents64(3, 0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   398] <... write resumed>)        = 213248
[pid   397] setpgid(0, 0 <unfinished ...>
[pid   396] <... write resumed>)        = 213248
[pid   359] unlink("./6/memory.events" <unfinished ...>
[pid   398] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   396] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456 <unfinished ...>
[pid   397] <... setpgid resumed>)      = 0
[pid   397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   396] <... write resumed>)        = -1 ENOSPC (No space left on device)
[pid   356] close(3 <unfinished ...>
[pid   398] <... write resumed>)        = -1 ENOSPC (No space left on device)
[pid   396] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC <unfinished ...>
[pid   356] <... close resumed>)        = 0
[pid   397] <... openat resumed>)       = 3
[pid   356] rmdir("./5" <unfinished ...>
[pid   398] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC <unfinished ...>
[pid   396] <... openat resumed>)       = 7
[pid   359] <... unlink resumed>)       = 0
[pid   356] <... rmdir resumed>)        = 0
[pid   397] write(3, "1000", 4)         = 4
[pid   397] close(3)                    = 0
[pid   397] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid   398] <... openat resumed>)       = 7
[pid   396] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   359] getdents64(3,  <unfinished ...>
[pid   356] mkdir("./6", 0777 <unfinished ...>
[pid   398] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   396] <... ioctl resumed>)        = -1 EINVAL (Invalid argument)
[pid   359] <... getdents64 resumed>0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   359] close(3 <unfinished ...>
[pid   396] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   398] <... ioctl resumed>)        = -1 EINVAL (Invalid argument)
[pid   359] <... close resumed>)        = 0
[pid   396] <... openat resumed>)       = 8
[pid   398] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   359] rmdir("./6" <unfinished ...>
[pid   397] <... symlink resumed>)      = 0
[pid   396] exit_group(0)               = ?
[pid   397] openat(AT_FDCWD, "memory.events", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   396] +++ exited with 0 +++
[pid   355] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=396, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   355] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   359] <... rmdir resumed>)        = 0
[pid   355] <... restart_syscall resumed>) = 0
[pid   398] <... openat resumed>)       = 8
[pid   359] mkdir("./7", 0777 <unfinished ...>
[pid   355] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   355] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   355] getdents64(3,  <unfinished ...>
[pid   398] exit_group(0 <unfinished ...>
[pid   355] <... getdents64 resumed>0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   397] <... openat resumed>)       = 3
[pid   355] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   398] <... exit_group resumed>)   = ?
[pid   397] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=0, insns=NULL, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144 <unfinished ...>
[pid   355] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   355] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   355] unlink("./7/binderfs" <unfinished ...>
[pid   397] <... bpf resumed>)          = -1 E2BIG (Argument list too long)
[pid   397] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_CREAT|O_EXCL|O_TRUNC|O_APPEND|FASYNC|0x20, 000 <unfinished ...>
[pid   398] +++ exited with 0 +++
[pid   358] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=398, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   358] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   355] <... unlink resumed>)       = 0
[pid   358] <... restart_syscall resumed>) = 0
[pid   355] umount2("./7/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   355] newfstatat(AT_FDCWD, "./7/cgroup.controllers",  <unfinished ...>
[pid   397] <... openat resumed>)       = 4
[pid   358] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   397] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4 <unfinished ...>
[pid   355] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   355] unlink("./7/cgroup.controllers" <unfinished ...>
[pid   397] <... openat resumed>)       = 5
[pid   358] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid   355] <... unlink resumed>)       = 0
[pid   358] <... openat resumed>)       = 3
[pid   355] umount2("./7/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid   358] newfstatat(3, "",  <unfinished ...>
[pid   355] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid   358] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   355] newfstatat(AT_FDCWD, "./7/memory.events",  <unfinished ...>
[pid   397] openat(AT_FDCWD, "memory.events", O_RDWR|__O_SYNC <unfinished ...>
[pid   358] getdents64(3,  <unfinished ...>
[pid   355] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   355] unlink("./7/memory.events" <unfinished ...>
[pid   397] <... openat resumed>)       = 6
[pid   397] write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 213248 <unfinished ...>
[pid   355] <... unlink resumed>)       = 0
[pid   358] <... getdents64 resumed>0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   358] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   358] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] unlink("./7/binderfs")      = 0
[pid   358] umount2("./7/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   358] newfstatat(AT_FDCWD, "./7/cgroup.controllers", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] unlink("./7/cgroup.controllers") = 0
[pid   358] umount2("./7/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   358] newfstatat(AT_FDCWD, "./7/memory.events", {st_mode=S_IFREG|000, st_size=213248, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   358] unlink("./7/memory.events") = 0
[pid   358] getdents64(3, 0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   358] close(3)                    = 0
[pid   358] rmdir("./7")                = 0
[pid   358] mkdir("./8", 0777 <unfinished ...>
[pid   355] getdents64(3, 0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   355] close(3)                    = 0
[pid   355] rmdir("./7")                = 0
[   22.934989][  T359] JBD2: Spotted dirty metadata buffer (dev = sda1, blocknr = 0). There's a risk of filesystem corruption in case of system crash.
[pid   355] mkdir("./8", 0777 <unfinished ...>
[pid   397] <... write resumed>)        = -1 ENOSPC (No space left on device)
[pid   397] write(5, "\x30\x78\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x67\x72\x6f\x75\x70\x2e\x63\x6f\x6e\x74\x72\x6f\x6c\x6c\x65\x72\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 275456) = -1 ENOSPC (No space left on device)
[pid   359] <... mkdir resumed>)        = -1 ENOSPC (No space left on device)
[pid   358] <... mkdir resumed>)        = -1 ENOSPC (No space left on device)
[pid   355] <... mkdir resumed>)        = -1 ENOSPC (No space left on device)
[pid   359] exit_group(1 <unfinished ...>
[pid   358] exit_group(1 <unfinished ...>
[pid   355] exit_group(1 <unfinished ...>
[pid   359] <... exit_group resumed>)   = ?
[pid   358] <... exit_group resumed>)   = ?
[pid   355] <... exit_group resumed>)   = ?
[pid   397] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|__O_SYNC <unfinished ...>
[pid   359] +++ exited with 1 +++
[pid   358] +++ exited with 1 +++
[pid   356] <... mkdir resumed>)        = -1 ENOSPC (No space left on device)
[pid   355] +++ exited with 1 +++
[pid   354] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=359, si_uid=0, si_status=1, si_utime=0, si_stime=5} ---
[pid   354] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   356] exit_group(1 <unfinished ...>
[pid   397] <... openat resumed>)       = 7
[pid   356] <... exit_group resumed>)   = ?
[pid   356] +++ exited with 1 +++
[pid   354] <... restart_syscall resumed>) = ? ERESTART_RESTARTBLOCK (Interrupted by signal)
[pid   397] ioctl(7, _IOC(_IOC_READ|_IOC_WRITE, 0x66, 0xf, 0x28), 0x200005c0 <unfinished ...>
[pid   354] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=356, si_uid=0, si_status=1, si_utime=0, si_stime=10} ---
[pid   354] restart_syscall(<... resuming interrupted restart_syscall ...> <unfinished ...>
[pid   397] <... ioctl resumed>)        = -1 EINVAL (Invalid argument)
[pid   397] openat(AT_FDCWD, "cgroup.controllers", O_WRONLY|O_TRUNC|O_NONBLOCK|O_DSYNC|O_DIRECT|FASYNC|0x4) = 8
[pid   397] exit_group(0)               = ?
[pid   397] +++ exited with 0 +++
[pid   357] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=397, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   357] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   357] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   357] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   357] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
[pid   357] getdents64(3, 0x5555571396f0 /* 5 entries */, 32768) = 160
[pid   357] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   357] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] unlink("./7/binderfs")      = 0
[pid   357] umount2("./7/cgroup.controllers", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   357] newfstatat(AT_FDCWD, "./7/cgroup.controllers", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] unlink("./7/cgroup.controllers") = 0
[pid   357] umount2("./7/memory.events", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   357] newfstatat(AT_FDCWD, "./7/memory.events", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   357] unlink("./7/memory.events") = 0
[pid   357] getdents64(3, 0x5555571396f0 /* 0 entries */, 32768) = 0
[pid   357] close(3)                    = 0
[pid   357] rmdir("./7")                = 0
[pid   357] mkdir("./8", 0777)          = -1 ENOSPC (No space left on device)
[pid   357] exit_group(1)               = ?
[pid   357] +++ exited with 1 +++
<... restart_syscall resumed>)          = ? ERESTART_RESTARTBLOCK (Interrupted by signal)
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=357, si_uid=0, si_status=1, si_utime=0, si_stime=13} ---
[   66.488090][  T121] cfg80211: failed to load regulatory.db