./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2559872441

<...>
Warning: Permanently added '10.128.0.90' (ED25519) to the list of known hosts.
execve("./syz-executor2559872441", ["./syz-executor2559872441"], 0x7ffc6ed2c7d0 /* 10 vars */) = 0
brk(NULL)                               = 0x555562c7b000
brk(0x555562c7bd00)                     = 0x555562c7bd00
arch_prctl(ARCH_SET_FS, 0x555562c7b380) = 0
set_tid_address(0x555562c7b650)         = 5847
set_robust_list(0x555562c7b660, 24)     = 0
rseq(0x555562c7bca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2559872441", 4096) = 28
getrandom("\x18\x9f\x02\x32\x38\xb1\x8f\x62", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555562c7bd00
brk(0x555562c9cd00)                     = 0x555562c9cd00
brk(0x555562c9d000)                     = 0x555562c9d000
mprotect(0x7f6cc7665000, 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./strace-static-x86_64: Process 5848 attached
 <unfinished ...>
[pid  5848] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5847] <... clone resumed>, child_tidptr=0x555562c7b650) = 5848
[pid  5848] <... set_robust_list resumed>) = 0
[pid  5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5848] mkdir("./syzkaller.0Qwltv", 0700./strace-static-x86_64: Process 5849 attached
 <unfinished ...>
[pid  5847] <... clone resumed>, child_tidptr=0x555562c7b650) = 5849
[pid  5849] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5848] <... mkdir resumed>)        = 0
[pid  5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5849] <... set_robust_list resumed>) = 0
[pid  5848] chmod("./syzkaller.0Qwltv", 0777./strace-static-x86_64: Process 5850 attached
 <unfinished ...>
[pid  5849] mkdir("./syzkaller.JJiH3l", 0700 <unfinished ...>
[pid  5848] <... chmod resumed>)        = 0
[pid  5850] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5847] <... clone resumed>, child_tidptr=0x555562c7b650) = 5850
[pid  5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5850] <... set_robust_list resumed>) = 0
[pid  5848] chdir("./syzkaller.0Qwltv" <unfinished ...>
[pid  5850] mkdir("./syzkaller.rwLDdE", 0700 <unfinished ...>
[pid  5848] <... chdir resumed>)        = 0
./strace-static-x86_64: Process 5851 attached
[pid  5851] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5849] <... mkdir resumed>)        = 0
[pid  5848] unshare(CLONE_NEWPID <unfinished ...>
[pid  5847] <... clone resumed>, child_tidptr=0x555562c7b650) = 5851
[pid  5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5848] <... unshare resumed>)      = 0
[pid  5851] <... set_robust_list resumed>) = 0
[pid  5849] chmod("./syzkaller.JJiH3l", 0777./strace-static-x86_64: Process 5852 attached
 <unfinished ...>
[pid  5851] mkdir("./syzkaller.1wFwUI", 0700 <unfinished ...>
[pid  5850] <... mkdir resumed>)        = 0
[pid  5849] <... chmod resumed>)        = 0
[pid  5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5847] <... clone resumed>, child_tidptr=0x555562c7b650) = 5852
[pid  5852] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5850] chmod("./syzkaller.rwLDdE", 0777 <unfinished ...>
[pid  5849] chdir("./syzkaller.JJiH3l" <unfinished ...>
[pid  5852] <... set_robust_list resumed>) = 0
[pid  5851] <... mkdir resumed>)        = 0
[pid  5850] <... chmod resumed>)        = 0
[pid  5849] <... chdir resumed>)        = 0
[pid  5850] chdir("./syzkaller.rwLDdE" <unfinished ...>
[pid  5849] unshare(CLONE_NEWPID./strace-static-x86_64: Process 5853 attached
 <unfinished ...>
[pid  5852] mkdir("./syzkaller.TsHkHN", 0700 <unfinished ...>
[pid  5851] chmod("./syzkaller.1wFwUI", 0777 <unfinished ...>
[pid  5850] <... chdir resumed>)        = 0
[pid  5849] <... unshare resumed>)      = 0
[pid  5848] <... clone resumed>, child_tidptr=0x555562c7b650) = 5853
[pid  5853] set_robust_list(0x555562c7b660, 24) = 0
[pid  5850] unshare(CLONE_NEWPID <unfinished ...>
[pid  5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5851] <... chmod resumed>)        = 0
[pid  5850] <... unshare resumed>)      = 0
./strace-static-x86_64: Process 5854 attached
[pid  5853] <... prctl resumed>)        = 0
[pid  5852] <... mkdir resumed>)        = 0
[pid  5851] chdir("./syzkaller.1wFwUI" <unfinished ...>
[pid  5850] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5853] getppid( <unfinished ...>
[pid  5851] <... chdir resumed>)        = 0
./strace-static-x86_64: Process 5855 attached
[pid  5853] <... getppid resumed>)      = 0
[pid  5849] <... clone resumed>, child_tidptr=0x555562c7b650) = 5854
[pid  5853] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024},  <unfinished ...>
[pid  5852] chmod("./syzkaller.TsHkHN", 0777 <unfinished ...>
[pid  5855] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5854] <... set_robust_list resumed>) = 0
[pid  5851] unshare(CLONE_NEWPID <unfinished ...>
[pid  5855] <... set_robust_list resumed>) = 0
[pid  5853] <... prlimit64 resumed>NULL) = 0
[pid  5851] <... unshare resumed>)      = 0
[pid  5855] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5852] <... chmod resumed>)        = 0
[pid  5852] chdir("./syzkaller.TsHkHN" <unfinished ...>
[pid  5855] <... prctl resumed>)        = 0
[pid  5854] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5853] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024},  <unfinished ...>
[pid  5852] <... chdir resumed>)        = 0
[pid  5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5850] <... clone resumed>, child_tidptr=0x555562c7b650) = 5855
[pid  5855] getppid( <unfinished ...>
[pid  5854] <... prctl resumed>)        = 0
[pid  5854] getppid( <unfinished ...>
[pid  5853] <... prlimit64 resumed>NULL) = 0
[pid  5852] unshare(CLONE_NEWPID <unfinished ...>
[pid  5853] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024},  <unfinished ...>
[pid  5852] <... unshare resumed>)      = 0
./strace-static-x86_64: Process 5856 attached
[pid  5853] <... prlimit64 resumed>NULL) = 0
[pid  5852] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5855] <... getppid resumed>)      = 0
[pid  5854] <... getppid resumed>)      = 0
[pid  5853] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, ./strace-static-x86_64: Process 5857 attached
 <unfinished ...>
[pid  5856] <... set_robust_list resumed>) = 0
[pid  5855] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024},  <unfinished ...>
[pid  5854] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024},  <unfinished ...>
[pid  5853] <... prlimit64 resumed>NULL) = 0
[pid  5851] <... clone resumed>, child_tidptr=0x555562c7b650) = 5856
[pid  5857] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5855] <... prlimit64 resumed>NULL) = 0
[pid  5854] <... prlimit64 resumed>NULL) = 0
[pid  5853] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024},  <unfinished ...>
[pid  5856] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5855] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024},  <unfinished ...>
[pid  5854] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024},  <unfinished ...>
[pid  5857] <... set_robust_list resumed>) = 0
[pid  5855] <... prlimit64 resumed>NULL) = 0
[pid  5853] <... prlimit64 resumed>NULL) = 0
[pid  5852] <... clone resumed>, child_tidptr=0x555562c7b650) = 5857
[pid  5856] <... prctl resumed>)        = 0
[pid  5855] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024},  <unfinished ...>
[pid  5854] <... prlimit64 resumed>NULL) = 0
[pid  5853] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256},  <unfinished ...>
[pid  5857] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5856] getppid( <unfinished ...>
[pid  5855] <... prlimit64 resumed>NULL) = 0
[pid  5854] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024},  <unfinished ...>
[pid  5853] <... prlimit64 resumed>NULL) = 0
[pid  5857] <... prctl resumed>)        = 0
[pid  5856] <... getppid resumed>)      = 0
[pid  5855] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024},  <unfinished ...>
[pid  5854] <... prlimit64 resumed>NULL) = 0
[pid  5853] unshare(CLONE_NEWNS <unfinished ...>
[pid  5857] getppid( <unfinished ...>
[pid  5856] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024},  <unfinished ...>
[pid  5855] <... prlimit64 resumed>NULL) = 0
[pid  5854] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024},  <unfinished ...>
[pid  5857] <... getppid resumed>)      = 0
[pid  5856] <... prlimit64 resumed>NULL) = 0
[pid  5855] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024},  <unfinished ...>
[pid  5854] <... prlimit64 resumed>NULL) = 0
[pid  5853] <... unshare resumed>)      = 0
[pid  5857] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024},  <unfinished ...>
[pid  5856] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024},  <unfinished ...>
[pid  5855] <... prlimit64 resumed>NULL) = 0
[pid  5854] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024},  <unfinished ...>
[pid  5857] <... prlimit64 resumed>NULL) = 0
[pid  5856] <... prlimit64 resumed>NULL) = 0
[pid  5855] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256},  <unfinished ...>
[pid  5853] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5857] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024},  <unfinished ...>
[pid  5856] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024},  <unfinished ...>
[pid  5855] <... prlimit64 resumed>NULL) = 0
[pid  5854] <... prlimit64 resumed>NULL) = 0
[pid  5857] <... prlimit64 resumed>NULL) = 0
[pid  5856] <... prlimit64 resumed>NULL) = 0
[pid  5855] unshare(CLONE_NEWNS <unfinished ...>
[pid  5854] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256},  <unfinished ...>
[pid  5853] <... mount resumed>)        = 0
[pid  5857] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024},  <unfinished ...>
[pid  5856] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024},  <unfinished ...>
[pid  5855] <... unshare resumed>)      = 0
[pid  5854] <... prlimit64 resumed>NULL) = 0
[pid  5853] unshare(CLONE_NEWIPC <unfinished ...>
[pid  5857] <... prlimit64 resumed>NULL) = 0
[pid  5856] <... prlimit64 resumed>NULL) = 0
[pid  5855] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5857] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024},  <unfinished ...>
[pid  5856] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024},  <unfinished ...>
[pid  5854] unshare(CLONE_NEWNS <unfinished ...>
[pid  5853] <... unshare resumed>)      = 0
[pid  5857] <... prlimit64 resumed>NULL) = 0
[pid  5856] <... prlimit64 resumed>NULL) = 0
[pid  5855] unshare(CLONE_NEWIPC <unfinished ...>
[pid  5853] unshare(CLONE_NEWCGROUP <unfinished ...>
[pid  5857] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024},  <unfinished ...>
[pid  5856] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256},  <unfinished ...>
[pid  5855] <... unshare resumed>)      = 0
[pid  5854] <... unshare resumed>)      = 0
[pid  5853] <... unshare resumed>)      = 0
[pid  5857] <... prlimit64 resumed>NULL) = 0
[pid  5856] <... prlimit64 resumed>NULL) = 0
[pid  5855] unshare(CLONE_NEWCGROUP <unfinished ...>
[pid  5853] unshare(CLONE_NEWUTS <unfinished ...>
[pid  5856] unshare(CLONE_NEWNS <unfinished ...>
[pid  5855] <... unshare resumed>)      = 0
[pid  5853] <... unshare resumed>)      = 0
[pid  5857] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256},  <unfinished ...>
[pid  5855] unshare(CLONE_NEWUTS <unfinished ...>
[pid  5854] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5853] unshare(CLONE_SYSVSEM <unfinished ...>
[pid  5857] <... prlimit64 resumed>NULL) = 0
[pid  5855] <... unshare resumed>)      = 0
[pid  5853] <... unshare resumed>)      = 0
[pid  5857] unshare(CLONE_NEWNS <unfinished ...>
[pid  5855] unshare(CLONE_SYSVSEM <unfinished ...>
[pid  5853] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5855] <... unshare resumed>)      = 0
[pid  5855] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] <... unshare resumed>)      = 0
[pid  5856] <... unshare resumed>)      = 0
[pid  5854] <... mount resumed>)        = 0
[pid  5853] <... openat resumed>)       = 3
[pid  5857] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] unshare(CLONE_NEWIPC <unfinished ...>
[pid  5857] <... mount resumed>)        = 0
[pid  5856] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5853] write(3, "16777216", 8 <unfinished ...>
[pid  5855] write(3, "16777216", 8)     = 8
[pid  5855] close(3 <unfinished ...>
[pid  5854] <... unshare resumed>)      = 0
[pid  5856] <... mount resumed>)        = 0
[pid  5855] <... close resumed>)        = 0
[pid  5855] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] unshare(CLONE_NEWIPC <unfinished ...>
[pid  5856] unshare(CLONE_NEWIPC <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5853] <... write resumed>)        = 8
[pid  5855] write(3, "536870912", 9 <unfinished ...>
[pid  5857] <... unshare resumed>)      = 0
[pid  5856] <... unshare resumed>)      = 0
[pid  5854] unshare(CLONE_NEWCGROUP <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5855] <... write resumed>)        = 9
[pid  5854] <... unshare resumed>)      = 0
[pid  5855] close(3 <unfinished ...>
[pid  5854] unshare(CLONE_NEWUTS <unfinished ...>
[pid  5857] unshare(CLONE_NEWCGROUP <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5854] <... unshare resumed>)      = 0
[pid  5856] unshare(CLONE_NEWCGROUP <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5857] <... unshare resumed>)      = 0
[pid  5856] <... unshare resumed>)      = 0
[pid  5855] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5853] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] unshare(CLONE_NEWUTS <unfinished ...>
[pid  5856] unshare(CLONE_NEWUTS <unfinished ...>
[pid  5857] <... unshare resumed>)      = 0
[pid  5856] <... unshare resumed>)      = 0
[pid  5855] <... openat resumed>)       = 3
[pid  5854] unshare(CLONE_SYSVSEM <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5857] unshare(CLONE_SYSVSEM <unfinished ...>
[pid  5856] unshare(CLONE_SYSVSEM <unfinished ...>
[pid  5854] <... unshare resumed>)      = 0
[pid  5857] <... unshare resumed>)      = 0
[pid  5856] <... unshare resumed>)      = 0
[pid  5857] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5855] write(3, "1024", 4 <unfinished ...>
[pid  5854] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5856] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5855] <... write resumed>)        = 4
[pid  5854] <... openat resumed>)       = 3
[pid  5853] write(3, "536870912", 9 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5853] <... write resumed>)        = 9
[pid  5855] <... close resumed>)        = 0
[pid  5856] <... openat resumed>)       = 3
[pid  5853] close(3 <unfinished ...>
[pid  5857] write(3, "16777216", 8 <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5855] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5854] write(3, "16777216", 8 <unfinished ...>
[pid  5857] <... write resumed>)        = 8
[pid  5853] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5856] write(3, "16777216", 8 <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] <... write resumed>)        = 8
[pid  5853] <... openat resumed>)       = 3
[pid  5854] close(3 <unfinished ...>
[pid  5855] write(3, "8192", 4 <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5855] <... write resumed>)        = 4
[pid  5854] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] <... write resumed>)        = 8
[pid  5855] close(3 <unfinished ...>
[pid  5853] write(3, "1024", 4 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5853] <... write resumed>)        = 4
[pid  5857] <... openat resumed>)       = 3
[pid  5856] <... close resumed>)        = 0
[pid  5853] close(3 <unfinished ...>
[pid  5857] write(3, "536870912", 9 <unfinished ...>
[pid  5856] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5857] <... write resumed>)        = 9
[pid  5856] <... openat resumed>)       = 3
[pid  5853] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5856] write(3, "536870912", 9 <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5857] <... close resumed>)        = 0
[pid  5856] <... write resumed>)        = 9
[pid  5855] <... close resumed>)        = 0
[pid  5854] <... openat resumed>)       = 3
[pid  5853] write(3, "8192", 4 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5855] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5854] write(3, "536870912", 9 <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5856] <... close resumed>)        = 0
[pid  5855] <... openat resumed>)       = 3
[pid  5853] <... write resumed>)        = 4
[pid  5854] <... write resumed>)        = 9
[pid  5855] write(3, "1024", 4 <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5855] <... write resumed>)        = 4
[pid  5854] <... close resumed>)        = 0
[pid  5857] write(3, "1024", 4 <unfinished ...>
[pid  5856] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5854] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5857] <... write resumed>)        = 4
[pid  5856] <... openat resumed>)       = 3
[pid  5853] <... close resumed>)        = 0
[pid  5857] close(3 <unfinished ...>
[pid  5856] write(3, "1024", 4 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5853] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] <... write resumed>)        = 4
[pid  5855] <... close resumed>)        = 0
[pid  5854] write(3, "1024", 4 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5855] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5854] <... write resumed>)        = 4
[pid  5853] <... openat resumed>)       = 3
[pid  5857] <... openat resumed>)       = 3
[pid  5856] <... close resumed>)        = 0
[pid  5855] <... openat resumed>)       = 3
[pid  5854] close(3)                    = 0
[pid  5854] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] write(3, "8192", 4 <unfinished ...>
[pid  5856] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5855] write(3, "1024", 4 <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5853] write(3, "1024", 4 <unfinished ...>
[pid  5857] <... write resumed>)        = 4
[pid  5856] <... openat resumed>)       = 3
[pid  5854] write(3, "8192", 4 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5856] write(3, "8192", 4 <unfinished ...>
[pid  5855] <... write resumed>)        = 4
[pid  5854] <... write resumed>)        = 4
[pid  5853] <... write resumed>)        = 4
[pid  5854] close(3 <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] <... write resumed>)        = 4
[pid  5855] close(3 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5855] <... close resumed>)        = 0
[pid  5853] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5855] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5853] <... openat resumed>)       = 3
[pid  5856] <... close resumed>)        = 0
[pid  5854] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5856] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] <... openat resumed>)       = 3
[pid  5854] write(3, "1024", 4)         = 4
[pid  5854] close(3 <unfinished ...>
[pid  5853] write(3, "1024", 4 <unfinished ...>
[pid  5857] write(3, "1024", 4 <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5855] write(3, "1024 1048576 500 1024", 21 <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5853] <... write resumed>)        = 4
[pid  5854] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5855] <... write resumed>)        = 21
[pid  5854] <... openat resumed>)       = 3
[pid  5856] write(3, "1024", 4 <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5857] <... write resumed>)        = 4
[pid  5856] <... write resumed>)        = 4
[pid  5855] close(3 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5857] <... close resumed>)        = 0
[pid  5856] <... close resumed>)        = 0
[pid  5855] <... close resumed>)        = 0
[pid  5853] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5856] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5855] getpid( <unfinished ...>
[pid  5854] write(3, "1024", 4 <unfinished ...>
[pid  5855] <... getpid resumed>)       = 1
[pid  5853] <... openat resumed>)       = 3
[pid  5857] <... openat resumed>)       = 3
[pid  5856] <... openat resumed>)       = 3
[pid  5855] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1},  <unfinished ...>
[pid  5854] <... write resumed>)        = 4
[pid  5857] write(3, "1024", 4 <unfinished ...>
[pid  5856] write(3, "1024", 4 <unfinished ...>
[pid  5855] <... capget resumed>{effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5854] close(3 <unfinished ...>
[pid  5853] write(3, "1024 1048576 500 1024", 21 <unfinished ...>
[pid  5857] <... write resumed>)        = 4
[pid  5856] <... write resumed>)        = 4
[pid  5855] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0} <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5853] <... write resumed>)        = 21
[pid  5857] close(3 <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5855] <... capset resumed>)       = 0
[pid  5854] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] <... close resumed>)        = 0
[pid  5855] unshare(CLONE_NEWNET <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5857] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5854] write(3, "1024 1048576 500 1024", 21 <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5857] <... openat resumed>)       = 3
[pid  5854] <... write resumed>)        = 21
[pid  5856] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5853] getpid( <unfinished ...>
[pid  5857] write(3, "1024 1048576 500 1024", 21 <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5854] close(3 <unfinished ...>
[pid  5853] <... getpid resumed>)       = 1
[pid  5857] <... write resumed>)        = 21
[pid  5856] write(3, "1024 1048576 500 1024", 21 <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5853] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1},  <unfinished ...>
[pid  5856] <... write resumed>)        = 21
[pid  5853] <... capget resumed>{effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5856] close(3 <unfinished ...>
[pid  5853] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0} <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5853] <... capset resumed>)       = 0
[pid  5856] getpid( <unfinished ...>
[pid  5853] unshare(CLONE_NEWNET <unfinished ...>
[pid  5856] <... getpid resumed>)       = 1
[pid  5857] close(3 <unfinished ...>
[pid  5854] getpid( <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5854] <... getpid resumed>)       = 1
[pid  5857] getpid( <unfinished ...>
[pid  5854] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1},  <unfinished ...>
[pid  5857] <... getpid resumed>)       = 1
[pid  5854] <... capget resumed>{effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5857] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1},  <unfinished ...>
[pid  5854] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0} <unfinished ...>
[pid  5857] <... capget resumed>{effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5854] <... capset resumed>)       = 0
[pid  5857] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0} <unfinished ...>
[pid  5854] unshare(CLONE_NEWNET <unfinished ...>
[pid  5857] <... capset resumed>)       = 0
[pid  5856] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1},  <unfinished ...>
[pid  5857] unshare(CLONE_NEWNET <unfinished ...>
[pid  5856] <... capget resumed>{effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5856] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5856] unshare(CLONE_NEWNET <unfinished ...>
[pid  5853] <... unshare resumed>)      = 0
[pid  5853] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5853] write(3, "0 65535", 7)      = 7
[pid  5853] close(3)                    = 0
[pid  5853] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid  5853] write(3, "100000", 6)       = 6
[pid  5853] close(3)                    = 0
[pid  5853] mkdir("./syz-tmp", 0777 <unfinished ...>
[pid  5857] <... unshare resumed>)      = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  5853] mount("", "./syz-tmp", "tmpfs", 0, NULL <unfinished ...>
[pid  5857] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5853] <... mount resumed>)        = 0
[pid  5857] <... openat resumed>)       = 3
[pid  5855] <... unshare resumed>)      = 0
[pid  5855] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5855] write(3, "0 65535", 7)      = 7
[pid  5855] close(3)                    = 0
[pid  5855] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid  5855] write(3, "100000", 6)       = 6
[pid  5855] close(3)                    = 0
[pid  5855] mkdir("./syz-tmp", 0777 <unfinished ...>
[pid  5857] write(3, "0 65535", 7 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5857] <... write resumed>)        = 7
[pid  5857] close(3)                    = 0
[pid  5857] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid  5855] mount("", "./syz-tmp", "tmpfs", 0, NULL <unfinished ...>
[pid  5857] write(3, "100000", 6 <unfinished ...>
[pid  5855] <... mount resumed>)        = 0
[pid  5853] mkdir("./syz-tmp/newroot", 0777 <unfinished ...>
[pid  5857] <... write resumed>)        = 6
[pid  5855] mkdir("./syz-tmp/newroot", 0777 <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5857] close(3 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5853] mkdir("./syz-tmp/newroot/dev", 0700 <unfinished ...>
[pid  5855] mkdir("./syz-tmp/newroot/dev", 0700 <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5855] <... mkdir resumed>)        = 0
[pid  5853] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5855] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5853] <... mount resumed>)        = 0
[pid  5857] mkdir("./syz-tmp", 0777 <unfinished ...>
[pid  5855] <... mount resumed>)        = 0
[pid  5857] <... mkdir resumed>)        = 0
[pid  5855] mkdir("./syz-tmp/newroot/proc", 0700 <unfinished ...>
[pid  5853] mkdir("./syz-tmp/newroot/proc", 0700 <unfinished ...>
[pid  5857] mount("", "./syz-tmp", "tmpfs", 0, NULL <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  5857] <... mount resumed>)        = 0
[pid  5855] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL <unfinished ...>
[pid  5853] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid  5855] <... mount resumed>)        = 0
[pid  5853] mkdir("./syz-tmp/newroot/selinux", 0700 <unfinished ...>
[pid  5856] <... unshare resumed>)      = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  5854] <... unshare resumed>)      = 0
[pid  5855] mkdir("./syz-tmp/newroot/selinux", 0700 <unfinished ...>
[pid  5853] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5857] mkdir("./syz-tmp/newroot", 0777 <unfinished ...>
[pid  5856] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5854] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5853] <... mount resumed>)        = -1 ENOENT (No such file or directory)
[pid  5857] <... mkdir resumed>)        = 0
[pid  5853] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5856] <... openat resumed>)       = 3
[pid  5855] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5853] <... mount resumed>)        = -1 ENOENT (No such file or directory)
[pid  5857] mkdir("./syz-tmp/newroot/dev", 0700 <unfinished ...>
[pid  5856] write(3, "0 65535", 7 <unfinished ...>
[pid  5855] <... mount resumed>)        = -1 ENOENT (No such file or directory)
[pid  5857] <... mkdir resumed>)        = 0
[pid  5854] write(3, "0 65535", 7 <unfinished ...>
[pid  5856] <... write resumed>)        = 7
[pid  5853] mkdir("./syz-tmp/newroot/sys", 0700 <unfinished ...>
[pid  5857] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5855] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5854] <... write resumed>)        = 7
[pid  5856] <... close resumed>)        = 0
[pid  5855] <... mount resumed>)        = -1 ENOENT (No such file or directory)
[pid  5854] close(3)                    = 0
[pid  5854] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] <... mount resumed>)        = 0
[pid  5856] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5853] <... mkdir resumed>)        = 0
[pid  5855] mkdir("./syz-tmp/newroot/sys", 0700 <unfinished ...>
[pid  5854] write(3, "100000", 6 <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... write resumed>)        = 6
[pid  5856] write(3, "100000", 6 <unfinished ...>
[pid  5853] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5856] <... write resumed>)        = 6
[pid  5854] close(3)                    = 0
[pid  5853] <... mount resumed>)        = 0
[pid  5857] mkdir("./syz-tmp/newroot/proc", 0700 <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5855] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5854] mkdir("./syz-tmp", 0777 <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5855] <... mount resumed>)        = 0
[pid  5856] mkdir("./syz-tmp", 0777 <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] <... mkdir resumed>)        = 0
[pid  5853] <... mount resumed>)        = 0
[pid  5857] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL <unfinished ...>
[pid  5856] mount("", "./syz-tmp", "tmpfs", 0, NULL <unfinished ...>
[pid  5855] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5854] mount("", "./syz-tmp", "tmpfs", 0, NULL <unfinished ...>
[pid  5853] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5855] <... mount resumed>)        = 0
[pid  5857] <... mount resumed>)        = 0
[pid  5856] <... mount resumed>)        = 0
[pid  5855] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5853] <... mount resumed>)        = -1 ENOENT (No such file or directory)
[pid  5854] <... mount resumed>)        = 0
[pid  5855] <... mount resumed>)        = -1 ENOENT (No such file or directory)
[pid  5853] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5857] mkdir("./syz-tmp/newroot/selinux", 0700 <unfinished ...>
[pid  5856] mkdir("./syz-tmp/newroot", 0777 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] <... mkdir resumed>)        = 0
[pid  5857] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5855] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5853] <... mount resumed>)        = 0
[pid  5856] mkdir("./syz-tmp/newroot/dev", 0700 <unfinished ...>
[pid  5857] <... mount resumed>)        = -1 ENOENT (No such file or directory)
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] <... mount resumed>)        = 0
[pid  5857] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5856] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5853] mkdir("./syz-tmp/pivot", 0777 <unfinished ...>
[pid  5857] <... mount resumed>)        = -1 ENOENT (No such file or directory)
[pid  5856] <... mount resumed>)        = 0
[pid  5855] mkdir("./syz-tmp/pivot", 0777 <unfinished ...>
[pid  5854] mkdir("./syz-tmp/newroot", 0777 <unfinished ...>
[pid  5856] mkdir("./syz-tmp/newroot/proc", 0700 <unfinished ...>
[pid  5857] mkdir("./syz-tmp/newroot/sys", 0700 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] <... mkdir resumed>)        = 0
[pid  5856] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid  5857] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5855] pivot_root("./syz-tmp", "./syz-tmp/pivot" <unfinished ...>
[pid  5854] mkdir("./syz-tmp/newroot/dev", 0700 <unfinished ...>
[pid  5853] pivot_root("./syz-tmp", "./syz-tmp/pivot" <unfinished ...>
[pid  5856] mkdir("./syz-tmp/newroot/selinux", 0700 <unfinished ...>
[pid  5857] <... mount resumed>)        = 0
[pid  5855] <... pivot_root resumed>)   = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] <... pivot_root resumed>)   = 0
[pid  5857] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5854] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5853] chdir("/" <unfinished ...>
[pid  5856] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5857] <... mount resumed>)        = 0
[pid  5856] <... mount resumed>)        = -1 ENOENT (No such file or directory)
[pid  5856] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5854] <... mount resumed>)        = 0
[pid  5853] <... chdir resumed>)        = 0
[pid  5856] <... mount resumed>)        = -1 ENOENT (No such file or directory)
[pid  5857] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5856] mkdir("./syz-tmp/newroot/sys", 0700 <unfinished ...>
[pid  5855] chdir("/" <unfinished ...>
[pid  5854] mkdir("./syz-tmp/newroot/proc", 0700 <unfinished ...>
[pid  5853] umount2("./pivot", MNT_DETACH <unfinished ...>
[pid  5857] <... mount resumed>)        = -1 ENOENT (No such file or directory)
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] <... chdir resumed>)        = 0
[pid  5857] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5856] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5855] umount2("./pivot", MNT_DETACH <unfinished ...>
[pid  5856] <... mount resumed>)        = 0
[pid  5856] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5857] <... mount resumed>)        = 0
[pid  5855] <... umount2 resumed>)      = 0
[pid  5854] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL <unfinished ...>
[pid  5853] <... umount2 resumed>)      = 0
[pid  5856] <... mount resumed>)        = 0
[pid  5855] chroot("./newroot")         = 0
[pid  5855] chdir("/" <unfinished ...>
[pid  5857] mkdir("./syz-tmp/pivot", 0777 <unfinished ...>
[pid  5856] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5855] <... chdir resumed>)        = 0
[pid  5854] <... mount resumed>)        = 0
[pid  5853] chroot("./newroot" <unfinished ...>
[pid  5856] <... mount resumed>)        = -1 ENOENT (No such file or directory)
[pid  5855] mkdir("/dev/binderfs", 0777 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5856] <... mount resumed>)        = 0
[pid  5855] mount("binder", "/dev/binderfs", "binder", 0, NULL <unfinished ...>
[pid  5857] pivot_root("./syz-tmp", "./syz-tmp/pivot" <unfinished ...>
[pid  5853] <... chroot resumed>)       = 0
[pid  5854] mkdir("./syz-tmp/newroot/selinux", 0700 <unfinished ...>
[pid  5857] <... pivot_root resumed>)   = 0
[pid  5853] chdir("/" <unfinished ...>
[pid  5856] mkdir("./syz-tmp/pivot", 0777) = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  5856] pivot_root("./syz-tmp", "./syz-tmp/pivot" <unfinished ...>
[pid  5853] <... chdir resumed>)        = 0
[pid  5857] chdir("/" <unfinished ...>
[pid  5856] <... pivot_root resumed>)   = 0
[pid  5854] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5856] chdir("/" <unfinished ...>
[pid  5857] <... chdir resumed>)        = 0
[pid  5855] <... mount resumed>)        = 0
[pid  5854] <... mount resumed>)        = -1 ENOENT (No such file or directory)
[pid  5853] mkdir("/dev/binderfs", 0777 <unfinished ...>
[pid  5857] umount2("./pivot", MNT_DETACH <unfinished ...>
[pid  5854] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5853] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  5856] <... chdir resumed>)        = 0
[pid  5855] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL <unfinished ...>
[pid  5853] mount("binder", "/dev/binderfs", "binder", 0, NULL <unfinished ...>
[pid  5854] <... mount resumed>)        = -1 ENOENT (No such file or directory)
[pid  5857] <... umount2 resumed>)      = 0
[pid  5856] umount2("./pivot", MNT_DETACH <unfinished ...>
[pid  5855] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  5855] mkdir("./0", 0777 <unfinished ...>
[pid  5857] chroot("./newroot" <unfinished ...>
[pid  5856] <... umount2 resumed>)      = 0
[pid  5854] mkdir("./syz-tmp/newroot/sys", 0700 <unfinished ...>
[pid  5853] <... mount resumed>)        = 0
[pid  5857] <... chroot resumed>)       = 0
[pid  5856] chroot("./newroot" <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5857] chdir("/" <unfinished ...>
[pid  5856] <... chroot resumed>)       = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL <unfinished ...>
[pid  5857] <... chdir resumed>)        = 0
[pid  5856] chdir("/" <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5857] mkdir("/dev/binderfs", 0777 <unfinished ...>
[pid  5856] <... chdir resumed>)        = 0
[pid  5853] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
./strace-static-x86_64: Process 5866 attached
[pid  5857] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  5856] mkdir("/dev/binderfs", 0777 <unfinished ...>
[pid  5866] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5856] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  5866] <... set_robust_list resumed>) = 0
[pid  5856] mount("binder", "/dev/binderfs", "binder", 0, NULL <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 2
[pid  5866] chdir("./0" <unfinished ...>
[pid  5857] mount("binder", "/dev/binderfs", "binder", 0, NULL <unfinished ...>
[pid  5854] <... mount resumed>)        = 0
[pid  5853] mkdir("./0", 0777 <unfinished ...>
[pid  5866] <... chdir resumed>)        = 0
[pid  5857] <... mount resumed>)        = 0
[pid  5856] <... mount resumed>)        = 0
[pid  5866] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5854] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5866] <... prctl resumed>)        = 0
[pid  5856] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL <unfinished ...>
[pid  5866] setpgid(0, 0 <unfinished ...>
[pid  5857] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL <unfinished ...>
[pid  5854] <... mount resumed>)        = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5866] <... setpgid resumed>)      = 0
[pid  5856] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  5857] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5867 attached
 <unfinished ...>
[pid  5857] mkdir("./0", 0777 <unfinished ...>
[pid  5856] mkdir("./0", 0777 <unfinished ...>
[pid  5854] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5866] <... openat resumed>)       = 3
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 2
[pid  5867] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5866] write(3, "1000", 4 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] <... mkdir resumed>)        = 0
[pid  5854] <... mount resumed>)        = -1 ENOENT (No such file or directory)
[pid  5867] <... set_robust_list resumed>) = 0
[pid  5866] <... write resumed>)        = 4
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL <unfinished ...>
[pid  5866] close(3 <unfinished ...>
[pid  5867] chdir("./0"./strace-static-x86_64: Process 5868 attached
)                = 0
[pid  5854] <... mount resumed>)        = 0
[pid  5867] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5866] <... close resumed>)        = 0
[pid  5867] <... prctl resumed>)        = 0
[pid  5867] setpgid(0, 0)               = 0
./strace-static-x86_64: Process 5869 attached
[pid  5868] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5866] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5854] mkdir("./syz-tmp/pivot", 0777 <unfinished ...>
[pid  5869] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5868] <... set_robust_list resumed>) = 0
[pid  5866] <... symlink resumed>)      = 0
[pid  5869] <... set_robust_list resumed>) = 0
[pid  5869] chdir("./0" <unfinished ...>
[pid  5868] chdir("./0" <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5869] <... chdir resumed>)        = 0
[pid  5868] <... chdir resumed>)        = 0
[pid  5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5866] write(1, "executing program\n", 18 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 2
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 2
executing program
[pid  5854] pivot_root("./syz-tmp", "./syz-tmp/pivot" <unfinished ...>
[pid  5869] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5868] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5867] <... openat resumed>)       = 3
[pid  5866] <... write resumed>)        = 18
[pid  5869] <... prctl resumed>)        = 0
[pid  5869] setpgid(0, 0)               = 0
[pid  5866] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5868] <... prctl resumed>)        = 0
[pid  5867] write(3, "1000", 4 <unfinished ...>
[pid  5854] <... pivot_root resumed>)   = 0
[pid  5868] setpgid(0, 0 <unfinished ...>
[pid  5867] <... write resumed>)        = 4
[pid  5868] <... setpgid resumed>)      = 0
[pid  5867] close(3 <unfinished ...>
[pid  5854] chdir("/" <unfinished ...>
[pid  5869] <... openat resumed>)       = 3
[pid  5868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5867] <... close resumed>)        = 0
[pid  5869] write(3, "1000", 4 <unfinished ...>
[pid  5866] <... bpf resumed>)          = 3
[pid  5854] <... chdir resumed>)        = 0
[pid  5869] <... write resumed>)        = 4
[pid  5854] umount2("./pivot", MNT_DETACH <unfinished ...>
[pid  5869] close(3executing program
)                    = 0
[pid  5867] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5869] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5854] <... umount2 resumed>)      = 0
[pid  5867] <... symlink resumed>)      = 0
[pid  5854] chroot("./newroot" <unfinished ...>
[pid  5867] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  5866] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5868] <... openat resumed>)       = 3
[pid  5867] <... write resumed>)        = 18
[pid  5854] <... chroot resumed>)       = 0
[pid  5866] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5869] write(1, "executing program\n", 18) = 18
[pid  5867] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5854] chdir("/" <unfinished ...>
[pid  5866] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5869] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5868] write(3, "1000", 4 <unfinished ...>
[pid  5867] <... bpf resumed>)          = 3
[pid  5854] <... chdir resumed>)        = 0
[pid  5869] <... bpf resumed>)          = 3
[pid  5866] <... bpf resumed>)          = 4
[pid  5869] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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 EFAULT (Bad address)
[pid  5868] <... write resumed>)        = 4
[pid  5867] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5866] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5854] mkdir("/dev/binderfs", 0777 <unfinished ...>
[pid  5869] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5868] close(3 <unfinished ...>
[pid  5867] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5854] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  5869] <... bpf resumed>)          = 4
[pid  5868] <... close resumed>)        = 0
[pid  5867] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5866] <... bpf resumed>)          = 5
[pid  5854] mount("binder", "/dev/binderfs", "binder", 0, NULL <unfinished ...>
[pid  5869] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5868] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5867] <... bpf resumed>)          = 4
[pid  5866] close(3 <unfinished ...>
[pid  5854] <... mount resumed>)        = 0
[pid  5868] <... symlink resumed>)      = 0
[pid  5869] <... bpf resumed>)          = 5
[pid  5868] write(1, "executing program\n", 18 <unfinished ...>
[pid  5866] <... close resumed>)        = 0
executing program
[pid  5868] <... write resumed>)        = 18
[pid  5867] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5866] close(4 <unfinished ...>
[pid  5854] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL <unfinished ...>
[pid  5868] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5867] <... bpf resumed>)          = 5
[pid  5866] <... close resumed>)        = 0
[pid  5854] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  5869] close(3 <unfinished ...>
[pid  5868] <... bpf resumed>)          = 3
[pid  5867] close(3 <unfinished ...>
[pid  5866] close(5 <unfinished ...>
[pid  5869] <... close resumed>)        = 0
[pid  5869] close(4)                    = 0
[pid  5868] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5867] <... close resumed>)        = 0
[pid  5866] <... close resumed>)        = 0
[pid  5854] mkdir("./0", 0777 <unfinished ...>
[pid  5869] close(5 <unfinished ...>
[pid  5868] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5867] close(4 <unfinished ...>
[pid  5868] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5867] <... close resumed>)        = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  5869] <... close resumed>)        = 0
[pid  5868] <... bpf resumed>)          = 4
[pid  5867] close(5 <unfinished ...>
[pid  5866] close(6 <unfinished ...>
[pid  5869] close(6)                    = -1 EBADF (Bad file descriptor)
[pid  5867] <... close resumed>)        = 0
[pid  5869] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  5866] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5869] close(8 <unfinished ...>
[pid  5866] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  5869] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5869] close(9 <unfinished ...>
[pid  5866] close(8 <unfinished ...>
[pid  5869] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5868] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5867] close(6 <unfinished ...>
[pid  5866] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5869] close(10 <unfinished ...>
[pid  5868] <... bpf resumed>)          = 5
[pid  5867] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5866] close(9./strace-static-x86_64: Process 5870 attached
 <unfinished ...>
[pid  5869] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5866] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5867] close(7 <unfinished ...>
[pid  5866] close(10 <unfinished ...>
[pid  5867] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5866] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5867] close(8 <unfinished ...>
[pid  5866] close(11 <unfinished ...>
[pid  5868] close(3 <unfinished ...>
[pid  5867] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5866] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5870] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5869] close(11 <unfinished ...>
[pid  5868] <... close resumed>)        = 0
[pid  5867] close(9 <unfinished ...>
[pid  5866] close(12 <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 2
[pid  5870] <... set_robust_list resumed>) = 0
[pid  5869] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5868] close(4 <unfinished ...>
[pid  5867] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5866] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5868] <... close resumed>)        = 0
[pid  5867] close(10 <unfinished ...>
[pid  5866] close(13 <unfinished ...>
[pid  5869] close(12 <unfinished ...>
[pid  5870] chdir("./0" <unfinished ...>
[pid  5869] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5868] close(5 <unfinished ...>
[pid  5867] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5866] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5870] <... chdir resumed>)        = 0
[pid  5869] close(13 <unfinished ...>
[pid  5868] <... close resumed>)        = 0
[pid  5867] close(11 <unfinished ...>
[pid  5866] close(14 <unfinished ...>
[pid  5870] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5869] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5867] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5866] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5870] <... prctl resumed>)        = 0
[pid  5869] close(14 <unfinished ...>
[pid  5868] close(6 <unfinished ...>
[pid  5867] close(12 <unfinished ...>
[pid  5866] close(15 <unfinished ...>
[pid  5870] setpgid(0, 0 <unfinished ...>
[pid  5869] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5868] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5867] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5866] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5869] close(15 <unfinished ...>
[pid  5868] close(7 <unfinished ...>
[pid  5867] close(13 <unfinished ...>
[pid  5866] close(16 <unfinished ...>
[pid  5870] <... setpgid resumed>)      = 0
[pid  5869] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5868] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5867] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5866] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5868] close(8 <unfinished ...>
[pid  5867] close(14 <unfinished ...>
[pid  5866] close(17 <unfinished ...>
[pid  5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5868] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5869] close(16 <unfinished ...>
[pid  5867] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5866] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5868] close(9 <unfinished ...>
[pid  5867] close(15 <unfinished ...>
[pid  5866] close(18 <unfinished ...>
[pid  5868] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5867] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5866] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5868] close(10 <unfinished ...>
[pid  5867] close(16 <unfinished ...>
[pid  5866] close(19 <unfinished ...>
[pid  5868] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5867] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5866] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5868] close(11 <unfinished ...>
[pid  5867] close(17 <unfinished ...>
[pid  5866] close(20 <unfinished ...>
[pid  5868] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5867] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5866] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5868] close(12 <unfinished ...>
[pid  5867] close(18 <unfinished ...>
[pid  5866] close(21 <unfinished ...>
[pid  5868] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5867] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5866] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5868] close(13 <unfinished ...>
[pid  5867] close(19 <unfinished ...>
[pid  5866] close(22 <unfinished ...>
[pid  5868] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5867] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5866] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5868] close(14 <unfinished ...>
[pid  5867] close(20 <unfinished ...>
[pid  5866] close(23 <unfinished ...>
[pid  5868] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5867] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5866] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5868] close(15 <unfinished ...>
[pid  5867] close(21 <unfinished ...>
[pid  5866] close(24 <unfinished ...>
[pid  5868] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5867] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5866] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5868] close(16 <unfinished ...>
[pid  5867] close(22 <unfinished ...>
[pid  5866] close(25 <unfinished ...>
[pid  5868] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5867] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5866] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5868] close(17 <unfinished ...>
[pid  5867] close(23 <unfinished ...>
[pid  5866] close(26 <unfinished ...>
[pid  5868] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5867] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5866] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5869] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5868] close(18 <unfinished ...>
[pid  5867] close(24 <unfinished ...>
[pid  5866] close(27 <unfinished ...>
[pid  5870] <... openat resumed>)       = 3
[pid  5869] close(17 <unfinished ...>
[pid  5868] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5867] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5866] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5870] write(3, "1000", 4 <unfinished ...>
[pid  5869] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5868] close(19 <unfinished ...>
[pid  5867] close(25 <unfinished ...>
[pid  5866] close(28 <unfinished ...>
[pid  5870] <... write resumed>)        = 4
[pid  5869] close(18 <unfinished ...>
[pid  5868] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5867] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5866] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5870] close(3 <unfinished ...>
[pid  5869] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5870] <... close resumed>)        = 0
[pid  5869] close(19 <unfinished ...>
[pid  5868] close(20 <unfinished ...>
[pid  5867] close(26 <unfinished ...>
[pid  5866] close(29 <unfinished ...>
[pid  5870] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5869] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5868] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5867] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5866] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5870] <... symlink resumed>)      = 0
[pid  5869] close(20 <unfinished ...>
[pid  5868] close(21 <unfinished ...>
[pid  5867] close(27 <unfinished ...>
[pid  5866] exit_group(0 <unfinished ...>
[pid  5870] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5869] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5868] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5867] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5866] <... exit_group resumed>)   = ?
[pid  5870] <... write resumed>)        = 18
[pid  5869] close(21 <unfinished ...>
[pid  5868] close(22 <unfinished ...>
[pid  5867] close(28 <unfinished ...>
[pid  5870] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5869] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5870] <... bpf resumed>)          = 3
[pid  5869] close(22 <unfinished ...>
[pid  5868] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5867] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5866] +++ exited with 0 +++
[pid  5870] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5869] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5868] close(23 <unfinished ...>
[pid  5867] close(29 <unfinished ...>
[pid  5870] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5869] close(23 <unfinished ...>
[pid  5868] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5867] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5870] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5869] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5868] close(24 <unfinished ...>
[pid  5867] exit_group(0 <unfinished ...>
[pid  5869] close(24 <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5869] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5868] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5867] <... exit_group resumed>)   = ?
[pid  5870] <... bpf resumed>)          = 4
[pid  5869] close(25 <unfinished ...>
[pid  5868] close(25 <unfinished ...>
[pid  5869] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5868] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5869] close(26 <unfinished ...>
[pid  5870] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5869] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5868] close(26 <unfinished ...>
[pid  5869] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  5868] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5867] +++ exited with 0 +++
[pid  5870] <... bpf resumed>)          = 5
[pid  5869] close(28 <unfinished ...>
[pid  5868] close(27 <unfinished ...>
[pid  5869] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5868] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5869] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  5868] close(28 <unfinished ...>
[pid  5870] close(3 <unfinished ...>
[pid  5869] exit_group(0 <unfinished ...>
[pid  5868] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5870] <... close resumed>)        = 0
[pid  5869] <... exit_group resumed>)   = ?
[pid  5868] close(29 <unfinished ...>
[pid  5870] close(4)                    = 0
[pid  5870] close(5 <unfinished ...>
[pid  5869] +++ exited with 0 +++
[pid  5868] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5870] <... close resumed>)        = 0
[pid  5868] exit_group(0 <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5868] <... exit_group resumed>)   = ?
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5870] close(6 <unfinished ...>
[pid  5868] +++ exited with 0 +++
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5870] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5870] close(7 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... openat resumed>)       = 3
[pid  5870] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5870] close(8 <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5870] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... openat resumed>)       = 3
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5870] close(9 <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5870] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5870] close(10 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5870] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5870] close(11 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5870] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5870] close(12 <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5870] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5870] close(13 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5870] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5853] unlink("./0/binderfs" <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5870] close(14 <unfinished ...>
[pid  5857] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  5870] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... openat resumed>)       = 3
[pid  5855] unlink("./0/binderfs" <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5870] close(15 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5870] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... openat resumed>)       = 3
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5870] close(16 <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5870] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5870] close(17 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] rmdir("./0" <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5870] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  5870] close(18 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5870] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5870] close(19 <unfinished ...>
[pid  5857] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] rmdir("./0" <unfinished ...>
[pid  5853] mkdir("./1", 0777 <unfinished ...>
[pid  5870] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] unlink("./0/binderfs" <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  5870] close(20 <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5870] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] mkdir("./1", 0777 <unfinished ...>
[pid  5870] close(21 <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5871 attached
 <unfinished ...>
[pid  5870] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] unlink("./0/binderfs" <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5870] close(22 <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5871] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5872 attached
 <unfinished ...>
[pid  5871] <... set_robust_list resumed>) = 0
[pid  5870] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... close resumed>)        = 0
[pid  5870] close(23 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5871] chdir("./1" <unfinished ...>
[pid  5870] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 3
[pid  5872] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5870] close(24 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 3
[pid  5872] <... set_robust_list resumed>) = 0
[pid  5871] <... chdir resumed>)        = 0
[pid  5870] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... close resumed>)        = 0
[pid  5856] rmdir("./0" <unfinished ...>
[pid  5872] chdir("./1" <unfinished ...>
[pid  5871] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5870] close(25 <unfinished ...>
[pid  5857] rmdir("./0" <unfinished ...>
[pid  5872] <... chdir resumed>)        = 0
[pid  5871] <... prctl resumed>)        = 0
[pid  5870] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] <... rmdir resumed>)        = 0
[pid  5872] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5871] setpgid(0, 0 <unfinished ...>
[pid  5870] close(26 <unfinished ...>
[pid  5857] mkdir("./1", 0777 <unfinished ...>
[pid  5856] mkdir("./1", 0777 <unfinished ...>
[pid  5872] <... prctl resumed>)        = 0
[pid  5871] <... setpgid resumed>)      = 0
[pid  5870] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... mkdir resumed>)        = 0
[pid  5870] close(27 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5872] setpgid(0, 0 <unfinished ...>
[pid  5871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5870] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5872] <... setpgid resumed>)      = 0
[pid  5870] close(28 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5873 attached
 <unfinished ...>
[pid  5872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5871] <... openat resumed>)       = 3
[pid  5870] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 3
[pid  5873] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5872] <... openat resumed>)       = 3
[pid  5870] close(29./strace-static-x86_64: Process 5874 attached
 <unfinished ...>
[pid  5873] <... set_robust_list resumed>) = 0
[pid  5872] write(3, "1000", 4 <unfinished ...>
[pid  5870] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5874] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5873] chdir("./1" <unfinished ...>
[pid  5872] <... write resumed>)        = 4
[pid  5871] write(3, "1000", 4 <unfinished ...>
[pid  5870] exit_group(0 <unfinished ...>
[pid  5874] <... set_robust_list resumed>) = 0
[pid  5873] <... chdir resumed>)        = 0
[pid  5872] close(3 <unfinished ...>
[pid  5871] <... write resumed>)        = 4
[pid  5870] <... exit_group resumed>)   = ?
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 3
[pid  5874] chdir("./1" <unfinished ...>
[pid  5873] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5872] <... close resumed>)        = 0
[pid  5871] close(3 <unfinished ...>
[pid  5870] +++ exited with 0 +++
[pid  5873] <... prctl resumed>)        = 0
[pid  5872] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5871] <... close resumed>)        = 0
[pid  5873] setpgid(0, 0 <unfinished ...>
[pid  5871] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5874] <... chdir resumed>)        = 0
[pid  5873] <... setpgid resumed>)      = 0
[pid  5874] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5872] <... symlink resumed>)      = 0
[pid  5871] <... symlink resumed>)      = 0
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5874] <... prctl resumed>)        = 0
[pid  5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
executing program
[pid  5872] write(1, "executing program\n", 18) = 18
[pid  5874] setpgid(0, 0 <unfinished ...>
[pid  5873] <... openat resumed>)       = 3
executing program
[pid  5871] write(1, "executing program\n", 18 <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5874] <... setpgid resumed>)      = 0
[pid  5871] <... write resumed>)        = 18
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5873] write(3, "1000", 4 <unfinished ...>
[pid  5872] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5871] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5873] <... write resumed>)        = 4
[pid  5872] <... bpf resumed>)          = 3
[pid  5871] <... bpf resumed>)          = 3
[pid  5873] close(3 <unfinished ...>
[pid  5872] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5854] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5874] <... openat resumed>)       = 3
[pid  5873] <... close resumed>)        = 0
[pid  5871] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5874] write(3, "1000", 4 <unfinished ...>
[pid  5873] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5872] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5873] <... symlink resumed>)      = 0
[pid  5871] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5874] <... write resumed>)        = 4
[pid  5854] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5872] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
executing program
[pid  5874] close(3 <unfinished ...>
[pid  5873] write(1, "executing program\n", 18 <unfinished ...>
[pid  5871] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5874] <... close resumed>)        = 0
[pid  5873] <... write resumed>)        = 18
[pid  5872] <... bpf resumed>)          = 4
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5871] <... bpf resumed>)          = 4
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5874] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5873] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5872] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5871] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./0/binderfs",  <unfinished ...>
[pid  5873] <... bpf resumed>)          = 3
[pid  5873] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5874] <... symlink resumed>)      = 0
[pid  5873] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5873] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5874] write(1, "executing program\n", 18 <unfinished ...>
[pid  5872] <... bpf resumed>)          = 5
[pid  5871] <... bpf resumed>)          = 5
executing program
[pid  5854] unlink("./0/binderfs" <unfinished ...>
[pid  5874] <... write resumed>)        = 18
[pid  5873] <... bpf resumed>)          = 4
[pid  5872] close(3 <unfinished ...>
[pid  5871] close(3 <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5874] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3
[pid  5873] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5872] <... close resumed>)        = 0
[pid  5871] <... close resumed>)        = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5873] <... bpf resumed>)          = 5
[pid  5872] close(4 <unfinished ...>
[pid  5871] close(4 <unfinished ...>
[pid  5872] <... close resumed>)        = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5873] close(3 <unfinished ...>
[pid  5872] close(5 <unfinished ...>
[pid  5871] <... close resumed>)        = 0
[pid  5873] <... close resumed>)        = 0
[pid  5871] close(5 <unfinished ...>
[pid  5872] <... close resumed>)        = 0
[pid  5854] close(3 <unfinished ...>
[pid  5874] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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 EFAULT (Bad address)
[pid  5873] close(4 <unfinished ...>
[pid  5872] close(6 <unfinished ...>
[pid  5871] <... close resumed>)        = 0
[pid  5854] <... close resumed>)        = 0
[pid  5874] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5873] <... close resumed>)        = 0
[pid  5872] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] close(6 <unfinished ...>
[pid  5854] rmdir("./0" <unfinished ...>
[pid  5873] close(5 <unfinished ...>
[pid  5872] close(7 <unfinished ...>
[pid  5871] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... rmdir resumed>)        = 0
[pid  5874] <... bpf resumed>)          = 4
[pid  5873] <... close resumed>)        = 0
[pid  5872] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] close(7 <unfinished ...>
[pid  5854] mkdir("./1", 0777 <unfinished ...>
[pid  5872] close(8 <unfinished ...>
[pid  5873] close(6 <unfinished ...>
[pid  5872] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5874] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5873] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5872] close(9 <unfinished ...>
[pid  5871] close(8 <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5873] close(7 <unfinished ...>
[pid  5872] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5873] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5872] close(10 <unfinished ...>
[pid  5871] close(9 <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5874] <... bpf resumed>)          = 5
[pid  5873] close(8 <unfinished ...>
[pid  5872] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5873] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5872] close(11./strace-static-x86_64: Process 5875 attached
 <unfinished ...>
[pid  5874] close(3 <unfinished ...>
[pid  5873] close(9 <unfinished ...>
[pid  5872] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] close(10 <unfinished ...>
[pid  5875] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5874] <... close resumed>)        = 0
[pid  5873] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5872] close(12 <unfinished ...>
[pid  5871] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 3
[pid  5875] <... set_robust_list resumed>) = 0
[pid  5874] close(4 <unfinished ...>
[pid  5873] close(10 <unfinished ...>
[pid  5872] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] close(11 <unfinished ...>
[pid  5874] <... close resumed>)        = 0
[pid  5873] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5872] close(13 <unfinished ...>
[pid  5874] close(5 <unfinished ...>
[pid  5875] chdir("./1" <unfinished ...>
[pid  5873] close(11 <unfinished ...>
[pid  5872] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] close(12 <unfinished ...>
[pid  5874] <... close resumed>)        = 0
[pid  5873] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5872] close(14 <unfinished ...>
[pid  5871] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5875] <... chdir resumed>)        = 0
[pid  5874] close(6 <unfinished ...>
[pid  5873] close(12 <unfinished ...>
[pid  5872] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] close(13 <unfinished ...>
[pid  5875] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5874] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5873] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5872] close(15 <unfinished ...>
[pid  5871] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5875] <... prctl resumed>)        = 0
[pid  5874] close(7 <unfinished ...>
[pid  5873] close(13 <unfinished ...>
[pid  5872] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] close(14 <unfinished ...>
[pid  5875] setpgid(0, 0 <unfinished ...>
[pid  5874] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5873] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5872] close(16 <unfinished ...>
[pid  5871] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5875] <... setpgid resumed>)      = 0
[pid  5874] close(8 <unfinished ...>
[pid  5873] close(14 <unfinished ...>
[pid  5872] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] close(15 <unfinished ...>
[pid  5875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5874] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5873] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5872] close(17 <unfinished ...>
[pid  5871] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5874] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  5873] close(15 <unfinished ...>
[pid  5872] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] close(16 <unfinished ...>
[pid  5875] <... openat resumed>)       = 3
[pid  5874] close(10 <unfinished ...>
[pid  5873] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5872] close(18 <unfinished ...>
[pid  5871] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5875] write(3, "1000", 4 <unfinished ...>
[pid  5874] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5872] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5875] <... write resumed>)        = 4
[pid  5874] close(11 <unfinished ...>
[pid  5872] close(19 <unfinished ...>
[pid  5871] close(17 <unfinished ...>
[pid  5873] close(16 <unfinished ...>
[pid  5875] close(3 <unfinished ...>
[pid  5874] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5873] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5872] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5874] close(12 <unfinished ...>
[pid  5873] close(17 <unfinished ...>
[pid  5872] close(20 <unfinished ...>
[pid  5871] close(18 <unfinished ...>
[pid  5874] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5873] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5872] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5874] close(13 <unfinished ...>
[pid  5873] close(18 <unfinished ...>
[pid  5872] close(21 <unfinished ...>
[pid  5874] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5873] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5872] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] close(19 <unfinished ...>
[pid  5874] close(14 <unfinished ...>
[pid  5873] close(19 <unfinished ...>
[pid  5872] close(22 <unfinished ...>
[pid  5871] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5874] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5873] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5872] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] close(20 <unfinished ...>
[pid  5874] close(15 <unfinished ...>
[pid  5873] close(20 <unfinished ...>
[pid  5871] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5874] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5872] close(23 <unfinished ...>
[pid  5875] <... close resumed>)        = 0
[pid  5874] close(16 <unfinished ...>
[pid  5873] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5872] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] close(21 <unfinished ...>
[pid  5874] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5873] close(21 <unfinished ...>
[pid  5872] close(24 <unfinished ...>
[pid  5871] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5875] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5874] close(17 <unfinished ...>
[pid  5873] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5872] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] close(22 <unfinished ...>
[pid  5875] <... symlink resumed>)      = 0
[pid  5874] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5873] close(22 <unfinished ...>
[pid  5872] close(25 <unfinished ...>
[pid  5871] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5875] write(1, "executing program\n", 18 <unfinished ...>
[pid  5874] close(18 <unfinished ...>
[pid  5873] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5872] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] close(23 <unfinished ...>
[pid  5874] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5873] close(23 <unfinished ...>
[pid  5872] close(26 <unfinished ...>
[pid  5871] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  5874] close(19 <unfinished ...>
[pid  5873] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5872] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] close(24 <unfinished ...>
[pid  5875] <... write resumed>)        = 18
[pid  5874] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5873] close(24 <unfinished ...>
[pid  5872] close(27 <unfinished ...>
[pid  5871] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5874] close(20 <unfinished ...>
[pid  5873] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5875] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5872] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] close(25 <unfinished ...>
[pid  5875] <... bpf resumed>)          = 3
[pid  5874] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5873] close(25 <unfinished ...>
[pid  5872] close(28 <unfinished ...>
[pid  5871] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5874] close(21 <unfinished ...>
[pid  5873] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5872] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] close(26 <unfinished ...>
[pid  5874] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5873] close(26 <unfinished ...>
[pid  5872] close(29 <unfinished ...>
[pid  5874] close(22 <unfinished ...>
[pid  5873] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5872] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5874] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5873] close(27 <unfinished ...>
[pid  5872] exit_group(0 <unfinished ...>
[pid  5871] close(27 <unfinished ...>
[pid  5874] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  5873] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5874] close(24 <unfinished ...>
[pid  5873] close(28 <unfinished ...>
[pid  5872] <... exit_group resumed>)   = ?
[pid  5871] close(28 <unfinished ...>
[pid  5875] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5874] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5873] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5875] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5874] close(25 <unfinished ...>
[pid  5873] close(29 <unfinished ...>
[pid  5872] +++ exited with 0 +++
[pid  5875] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5874] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5873] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] close(29 <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5875] <... bpf resumed>)          = 4
[pid  5874] close(26 <unfinished ...>
[pid  5875] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5871] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5874] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5871] exit_group(0 <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5875] <... bpf resumed>)          = 5
[pid  5873] exit_group(0 <unfinished ...>
[pid  5874] close(27 <unfinished ...>
[pid  5871] <... exit_group resumed>)   = ?
[pid  5875] close(3 <unfinished ...>
[pid  5874] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5873] <... exit_group resumed>)   = ?
[pid  5871] +++ exited with 0 +++
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5875] <... close resumed>)        = 0
[pid  5874] close(28 <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5875] close(4 <unfinished ...>
[pid  5874] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5875] <... close resumed>)        = 0
[pid  5874] close(29 <unfinished ...>
[pid  5873] +++ exited with 0 +++
[pid  5855] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5875] close(5 <unfinished ...>
[pid  5874] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... openat resumed>)       = 3
[pid  5855] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5875] <... close resumed>)        = 0
[pid  5874] exit_group(0 <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5855] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5875] close(6 <unfinished ...>
[pid  5874] <... exit_group resumed>)   = ?
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5875] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5857] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5874] +++ exited with 0 +++
[pid  5857] <... openat resumed>)       = 3
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5875] close(7 <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5875] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5875] close(8 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5875] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./1/binderfs",  <unfinished ...>
[pid  5853] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5875] close(9 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5875] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(AT_FDCWD, "./1/binderfs",  <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] unlink("./1/binderfs" <unfinished ...>
[pid  5875] close(10 <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./1/binderfs",  <unfinished ...>
[pid  5875] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... openat resumed>)       = 3
[pid  5875] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5875] close(12 <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5853] unlink("./1/binderfs" <unfinished ...>
[pid  5875] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] <... unlink resumed>)       = 0
[pid  5875] close(13 <unfinished ...>
[pid  5857] unlink("./1/binderfs" <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5875] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5875] close(14 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5875] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... close resumed>)        = 0
[pid  5875] close(15 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5875] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... close resumed>)        = 0
[pid  5856] newfstatat(AT_FDCWD, "./1/binderfs",  <unfinished ...>
[pid  5855] rmdir("./1" <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5875] close(16 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5875] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] rmdir("./1" <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  5853] rmdir("./1" <unfinished ...>
[pid  5875] close(17 <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] unlink("./1/binderfs" <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  5855] mkdir("./2", 0777 <unfinished ...>
[pid  5875] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5875] close(18 <unfinished ...>
[pid  5857] mkdir("./2", 0777 <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] <... mkdir resumed>)        = 0
[pid  5853] mkdir("./2", 0777 <unfinished ...>
[pid  5875] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... mkdir resumed>)        = 0
[pid  5875] close(19 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5875] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5875] close(20 <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5875] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] <... close resumed>)        = 0
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5876 attached
 <unfinished ...>
[pid  5875] close(21 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] rmdir("./1" <unfinished ...>
[pid  5876] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5875] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... rmdir resumed>)        = 0
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 4
./strace-static-x86_64: Process 5877 attached
[pid  5875] close(22./strace-static-x86_64: Process 5878 attached
 <unfinished ...>
[pid  5877] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5876] <... set_robust_list resumed>) = 0
[pid  5875] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] mkdir("./2", 0777 <unfinished ...>
[pid  5877] <... set_robust_list resumed>) = 0
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 4
[pid  5876] chdir("./2" <unfinished ...>
[pid  5875] close(23 <unfinished ...>
[pid  5878] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5877] chdir("./2" <unfinished ...>
[pid  5876] <... chdir resumed>)        = 0
[pid  5875] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 4
[pid  5878] <... set_robust_list resumed>) = 0
[pid  5876] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5875] close(24 <unfinished ...>
[pid  5878] chdir("./2" <unfinished ...>
[pid  5877] <... chdir resumed>)        = 0
[pid  5876] <... prctl resumed>)        = 0
[pid  5875] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5877] setpgid(0, 0)               = 0
./strace-static-x86_64: Process 5879 attached
[pid  5878] <... chdir resumed>)        = 0
[pid  5876] setpgid(0, 0 <unfinished ...>
[pid  5875] close(25 <unfinished ...>
[pid  5876] <... setpgid resumed>)      = 0
[pid  5875] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5879] set_robust_list(0x555562c7b660, 24) = 0
[pid  5878] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5875] close(26 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 4
[pid  5879] chdir("./2" <unfinished ...>
[pid  5878] <... prctl resumed>)        = 0
[pid  5877] <... openat resumed>)       = 3
[pid  5875] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5876] <... openat resumed>)       = 3
[pid  5879] <... chdir resumed>)        = 0
[pid  5878] setpgid(0, 0 <unfinished ...>
[pid  5875] close(27 <unfinished ...>
[pid  5879] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5878] <... setpgid resumed>)      = 0
[pid  5877] write(3, "1000", 4 <unfinished ...>
[pid  5876] write(3, "1000", 4 <unfinished ...>
[pid  5875] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5879] <... prctl resumed>)        = 0
[pid  5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5877] <... write resumed>)        = 4
[pid  5876] <... write resumed>)        = 4
[pid  5875] close(28 <unfinished ...>
[pid  5879] setpgid(0, 0 <unfinished ...>
[pid  5878] <... openat resumed>)       = 3
[pid  5877] close(3 <unfinished ...>
[pid  5876] close(3 <unfinished ...>
[pid  5875] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5879] <... setpgid resumed>)      = 0
[pid  5876] <... close resumed>)        = 0
[pid  5875] close(29 <unfinished ...>
[pid  5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5878] write(3, "1000", 4 <unfinished ...>
[pid  5877] <... close resumed>)        = 0
[pid  5876] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5875] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5878] <... write resumed>)        = 4
[pid  5877] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5878] close(3)                    = 0
[pid  5877] <... symlink resumed>)      = 0
[pid  5876] <... symlink resumed>)      = 0
[pid  5875] exit_group(0 <unfinished ...>
[pid  5879] <... openat resumed>)       = 3
[pid  5878] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5877] write(1, "executing program\n", 18 <unfinished ...>
[pid  5879] write(3, "1000", 4 <unfinished ...>
[pid  5878] <... symlink resumed>)      = 0
[pid  5876] write(1, "executing program\n", 18 <unfinished ...>
executing program
executing program
executing program
[pid  5875] <... exit_group resumed>)   = ?
[pid  5879] <... write resumed>)        = 4
[pid  5878] write(1, "executing program\n", 18 <unfinished ...>
[pid  5877] <... write resumed>)        = 18
[pid  5878] <... write resumed>)        = 18
[pid  5877] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5879] close(3 <unfinished ...>
[pid  5878] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5877] <... bpf resumed>)          = 3
[pid  5876] <... write resumed>)        = 18
[pid  5875] +++ exited with 0 +++
[pid  5879] <... close resumed>)        = 0
[pid  5878] <... bpf resumed>)          = 3
[pid  5877] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5879] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5878] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5876] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5879] <... symlink resumed>)      = 0
[pid  5878] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5877] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5876] <... bpf resumed>)          = 3
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5876] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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 ...>
executing program
[pid  5878] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5854] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5879] write(1, "executing program\n", 18 <unfinished ...>
[pid  5877] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5876] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5879] <... write resumed>)        = 18
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5878] <... bpf resumed>)          = 4
[pid  5879] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5878] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5877] <... bpf resumed>)          = 4
[pid  5876] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5879] <... bpf resumed>)          = 3
[pid  5878] <... bpf resumed>)          = 5
[pid  5877] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16) = 5
[pid  5876] <... bpf resumed>)          = 4
[pid  5854] <... openat resumed>)       = 3
[pid  5879] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5877] close(3 <unfinished ...>
[pid  5878] close(3 <unfinished ...>
[pid  5877] <... close resumed>)        = 0
[pid  5876] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5879] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5879] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5878] <... close resumed>)        = 0
[pid  5877] close(4 <unfinished ...>
[pid  5878] close(4 <unfinished ...>
[pid  5877] <... close resumed>)        = 0
[pid  5876] <... bpf resumed>)          = 5
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5877] close(5 <unfinished ...>
[pid  5879] <... bpf resumed>)          = 4
[pid  5878] <... close resumed>)        = 0
[pid  5877] <... close resumed>)        = 0
[pid  5876] close(3 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5877] close(6 <unfinished ...>
[pid  5878] close(5 <unfinished ...>
[pid  5879] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5877] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5876] <... close resumed>)        = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5877] close(7 <unfinished ...>
[pid  5876] close(4 <unfinished ...>
[pid  5854] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5877] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[   60.004423][ T5844] 
[   60.006796][ T5844] ============================================
[   60.012943][ T5844] WARNING: possible recursive locking detected
[   60.019089][ T5844] 6.12.0-syzkaller-09091-gd4c44354bcaf #0 Not tainted
[   60.025829][ T5844] --------------------------------------------
[   60.031953][ T5844] strace-static-x/5844 is trying to acquire lock:
[   60.038340][ T5844] ffff88807c3c91e0 (&qs->lock){-.-.}-{2:2}, at: __queue_map_get+0x14b/0x4d0
[   60.047049][ T5844] 
[   60.047049][ T5844] but task is already holding lock:
[   60.054396][ T5844] ffff888011ff51e0 (&qs->lock){-.-.}-{2:2}, at: __queue_map_get+0x14b/0x4d0
[   60.063092][ T5844] 
[   60.063092][ T5844] other info that might help us debug this:
[   60.071130][ T5844]  Possible unsafe locking scenario:
[   60.071130][ T5844] 
[   60.078563][ T5844]        CPU0
[   60.081827][ T5844]        ----
[   60.085099][ T5844]   lock(&qs->lock);
[   60.088985][ T5844]   lock(&qs->lock);
[   60.092872][ T5844] 
[   60.092872][ T5844]  *** DEADLOCK ***
[   60.092872][ T5844] 
[   60.100998][ T5844]  May be due to missing lock nesting notation
[   60.100998][ T5844] 
[   60.109297][ T5844] 4 locks held by strace-static-x/5844:
[   60.114824][ T5844]  #0: ffff88807ee60c68 (&pipe->mutex){+.+.}-{4:4}, at: pipe_write+0x1c6/0x1a30
[   60.123869][ T5844]  #1: ffffffff8e93c520 (rcu_read_lock){....}-{1:3}, at: bpf_trace_run2+0x1fc/0x540
[   60.133259][ T5844]  #2: ffff888011ff51e0 (&qs->lock){-.-.}-{2:2}, at: __queue_map_get+0x14b/0x4d0
[   60.142390][ T5844]  #3: ffffffff8e93c520 (rcu_read_lock){....}-{1:3}, at: bpf_trace_run2+0x1fc/0x540
[   60.151799][ T5844] 
[   60.151799][ T5844] stack backtrace:
[   60.157685][ T5844] CPU: 0 UID: 0 PID: 5844 Comm: strace-static-x Not tainted 6.12.0-syzkaller-09091-gd4c44354bcaf #0
[   60.168434][ T5844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   60.178510][ T5844] Call Trace:
[   60.181781][ T5844]  <TASK>
[   60.184707][ T5844]  dump_stack_lvl+0x241/0x360
[   60.189387][ T5844]  ? __pfx_dump_stack_lvl+0x10/0x10
[   60.194575][ T5844]  ? __pfx__printk+0x10/0x10
[   60.199153][ T5844]  ? lockdep_unlock+0x16a/0x300
[   60.203997][ T5844]  print_deadlock_bug+0x483/0x620
[   60.209018][ T5844]  validate_chain+0x15e2/0x5920
[   60.213862][ T5844]  ? __pfx_lock_release+0x10/0x10
[   60.218878][ T5844]  ? __pfx_validate_chain+0x10/0x10
[   60.224096][ T5844]  ? psi_group_change+0xb4e/0x1190
[   60.229204][ T5844]  ? sched_balance_rq+0x627a/0x8620
[   60.234393][ T5844]  ? __pfx_lock_release+0x10/0x10
[   60.239408][ T5844]  ? mark_lock+0x9a/0x360
[   60.243727][ T5844]  ? __pfx_validate_chain+0x10/0x10
[   60.248918][ T5844]  __lock_acquire+0x1397/0x2100
[   60.253764][ T5844]  lock_acquire+0x1ed/0x550
[   60.258253][ T5844]  ? __queue_map_get+0x14b/0x4d0
[   60.263184][ T5844]  ? __pfx_lock_acquire+0x10/0x10
[   60.268201][ T5844]  ? __lock_acquire+0x1397/0x2100
[   60.273231][ T5844]  _raw_spin_lock_irqsave+0xd5/0x120
[   60.278504][ T5844]  ? __queue_map_get+0x14b/0x4d0
[   60.283433][ T5844]  ? __pfx__raw_spin_lock_irqsave+0x10/0x10
[   60.289318][ T5844]  __queue_map_get+0x14b/0x4d0
[   60.294073][ T5844]  ? __pfx_lock_acquire+0x10/0x10
[   60.299086][ T5844]  ? __pfx___queue_map_get+0x10/0x10
[   60.304360][ T5844]  ? __pfx___cant_migrate+0x10/0x10
[   60.309570][ T5844]  ? bpf_trace_run2+0x1fc/0x540
[   60.314424][ T5844]  bpf_prog_00798911c748094f+0x43/0x47
[   60.319892][ T5844]  bpf_trace_run2+0x2ec/0x540
[   60.324569][ T5844]  ? mark_lock+0x9a/0x360
[   60.328907][ T5844]  ? __pfx_bpf_trace_run2+0x10/0x10
[   60.334128][ T5844]  ? __pfx___bpf_trace_contention_end+0x10/0x10
[   60.340376][ T5844]  __traceiter_contention_end+0x7b/0xb0
[   60.345923][ T5844]  trace_contention_end+0x114/0x140
[   60.351117][ T5844]  __pv_queued_spin_lock_slowpath+0xb7e/0xdb0
[   60.357179][ T5844]  ? __pfx___pv_queued_spin_lock_slowpath+0x10/0x10
[   60.363766][ T5844]  queued_spin_lock_slowpath+0x42/0x50
[   60.369219][ T5844]  do_raw_spin_lock+0x272/0x370
[   60.374061][ T5844]  ? __pfx_do_raw_spin_lock+0x10/0x10
[   60.379437][ T5844]  _raw_spin_lock_irqsave+0xe1/0x120
[   60.384714][ T5844]  ? __pfx__raw_spin_lock_irqsave+0x10/0x10
[   60.390598][ T5844]  __queue_map_get+0x14b/0x4d0
[   60.395368][ T5844]  ? __pfx_lock_acquire+0x10/0x10
[   60.400380][ T5844]  ? __pfx___queue_map_get+0x10/0x10
[   60.405654][ T5844]  ? __pfx___cant_migrate+0x10/0x10
[   60.410858][ T5844]  ? bpf_trace_run2+0x1fc/0x540
[   60.415701][ T5844]  bpf_prog_00798911c748094f+0x43/0x47
[   60.421145][ T5844]  bpf_trace_run2+0x2ec/0x540
[   60.425814][ T5844]  ? __pfx_bpf_trace_run2+0x10/0x10
[   60.431001][ T5844]  ? __mutex_trylock_common+0x183/0x2e0
[   60.436555][ T5844]  ? __pfx___might_resched+0x10/0x10
[   60.441835][ T5844]  ? __pfx___bpf_trace_contention_end+0x10/0x10
[   60.448065][ T5844]  __traceiter_contention_end+0x7b/0xb0
[   60.453605][ T5844]  trace_contention_end+0xf5/0x120
[   60.458707][ T5844]  __mutex_lock+0x375/0xee0
[   60.463224][ T5844]  ? aa_file_perm+0x137/0xf50
[   60.467934][ T5844]  ? __pfx_lock_release+0x10/0x10
[   60.473065][ T5844]  ? pipe_write+0x1c6/0x1a30
[   60.477695][ T5844]  ? __pfx___mutex_lock+0x10/0x10
[   60.482727][ T5844]  ? aa_file_perm+0x137/0xf50
[   60.487407][ T5844]  pipe_write+0x1c6/0x1a30
[   60.491843][ T5844]  ? reacquire_held_locks+0x3eb/0x690
[   60.497243][ T5844]  ? __pfx_pipe_write+0x10/0x10
[   60.502117][ T5844]  ? common_file_perm+0x1a6/0x210
[   60.507169][ T5844]  ? bpf_lsm_file_permission+0x9/0x10
[   60.512551][ T5844]  ? security_file_permission+0x74/0x280
[   60.518276][ T5844]  vfs_write+0xaeb/0xd30
[   60.522517][ T5844]  ? __pfx_pipe_write+0x10/0x10
[   60.527365][ T5844]  ? __pfx_vfs_write+0x10/0x10
[   60.532123][ T5844]  ? _raw_spin_unlock_irqrestore+0xdd/0x140
[   60.538015][ T5844]  ? __lock_task_sighand+0x2a5/0x2d0
[   60.543290][ T5844]  ? __lock_task_sighand+0x29/0x2d0
[   60.548486][ T5844]  ksys_write+0x18f/0x2b0
[   60.552807][ T5844]  ? __pfx_ksys_write+0x10/0x10
[   60.557645][ T5844]  ? do_syscall_64+0x100/0x230
[   60.562409][ T5844]  ? do_syscall_64+0xb6/0x230
[   60.567095][ T5844]  do_syscall_64+0xf3/0x230
[   60.571605][ T5844]  ? clear_bhb_loop+0x35/0x90
[   60.576281][ T5844]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   60.582178][ T5844] RIP: 0033:0x4e8593
[   60.586061][ T5844] Code: c7 c2 a8 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18
[pid  5877] close(8 <unfinished ...>
[pid  5876] <... close resumed>)        = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5879] <... bpf resumed>)          = 5
[pid  5878] <... close resumed>)        = 0
[pid  5876] close(5 <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./1/binderfs",  <unfinished ...>
[pid  5879] close(3 <unfinished ...>
[pid  5878] close(6 <unfinished ...>
[pid  5877] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5876] <... close resumed>)        = 0
[pid  5879] <... close resumed>)        = 0
[pid  5876] close(6 <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5879] close(4 <unfinished ...>
[pid  5878] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5877] close(9 <unfinished ...>
[pid  5876] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] unlink("./1/binderfs" <unfinished ...>
[pid  5879] <... close resumed>)        = 0
[pid  5878] close(7 <unfinished ...>
[pid  5877] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5876] close(7 <unfinished ...>
[pid  5879] close(5 <unfinished ...>
[pid  5878] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5877] close(10 <unfinished ...>
[pid  5876] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... unlink resumed>)       = 0
[pid  5879] <... close resumed>)        = 0
[pid  5878] close(8 <unfinished ...>
[pid  5877] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5876] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5878] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5877] close(11 <unfinished ...>
[pid  5876] close(9 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5879] close(6 <unfinished ...>
[pid  5878] close(9 <unfinished ...>
[pid  5877] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5876] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] close(3 <unfinished ...>
[pid  5879] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5878] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5877] close(12 <unfinished ...>
[pid  5876] close(10 <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5879] close(7 <unfinished ...>
[pid  5878] close(10 <unfinished ...>
[pid  5877] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5876] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5879] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5878] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5877] close(13 <unfinished ...>
[pid  5876] close(11 <unfinished ...>
[pid  5854] rmdir("./1" <unfinished ...>
[pid  5879] close(8 <unfinished ...>
[pid  5878] close(11 <unfinished ...>
[pid  5877] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5876] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5879] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5878] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5877] close(14 <unfinished ...>
[pid  5876] close(12 <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  5879] close(9 <unfinished ...>
[pid  5878] close(12 <unfinished ...>
[pid  5876] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5879] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5878] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5877] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5876] close(13 <unfinished ...>
[pid  5879] close(10 <unfinished ...>
[pid  5878] close(13 <unfinished ...>
[pid  5877] close(15 <unfinished ...>
[pid  5876] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] mkdir("./2", 0777 <unfinished ...>
[pid  5879] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5878] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5877] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5876] close(14 <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5879] close(11 <unfinished ...>
[pid  5878] close(14 <unfinished ...>
[pid  5877] close(16 <unfinished ...>
[pid  5876] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5879] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5878] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5877] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5876] close(15 <unfinished ...>
[pid  5879] close(12 <unfinished ...>
[pid  5878] close(15 <unfinished ...>
[pid  5876] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5879] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5878] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5877] close(17 <unfinished ...>
[pid  5876] close(16./strace-static-x86_64: Process 5880 attached
 <unfinished ...>
[pid  5879] close(13 <unfinished ...>
[pid  5878] close(16 <unfinished ...>
[pid  5877] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5876] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5880] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5879] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5878] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5877] close(18 <unfinished ...>
[pid  5876] close(17 <unfinished ...>
[pid  5880] <... set_robust_list resumed>) = 0
[pid  5877] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5876] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5880] chdir("./2" <unfinished ...>
[pid  5879] close(14 <unfinished ...>
[pid  5878] close(17 <unfinished ...>
[pid  5877] close(19 <unfinished ...>
[pid  5876] close(18 <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 4
[pid  5880] <... chdir resumed>)        = 0
[pid  5879] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5878] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5877] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5876] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5879] close(15 <unfinished ...>
[pid  5878] close(18 <unfinished ...>
[pid  5877] close(20 <unfinished ...>
[pid  5876] close(19 <unfinished ...>
[pid  5880] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5879] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5878] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5877] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5876] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5880] <... prctl resumed>)        = 0
[pid  5879] close(16 <unfinished ...>
[pid  5878] close(19 <unfinished ...>
[pid  5877] close(21 <unfinished ...>
[pid  5876] close(20 <unfinished ...>
[pid  5880] setpgid(0, 0 <unfinished ...>
[pid  5879] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5878] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5877] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5876] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5880] <... setpgid resumed>)      = 0
[pid  5879] close(17 <unfinished ...>
[pid  5878] close(20 <unfinished ...>
[pid  5877] close(22 <unfinished ...>
[pid  5876] close(21 <unfinished ...>
[pid  5879] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5878] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5877] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5876] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5879] close(18 <unfinished ...>
[pid  5878] close(21 <unfinished ...>
[pid  5877] close(23 <unfinished ...>
[pid  5876] close(22 <unfinished ...>
[pid  5879] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5878] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5877] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5876] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5879] close(19 <unfinished ...>
[pid  5878] close(22 <unfinished ...>
[pid  5877] close(24 <unfinished ...>
[pid  5876] close(23 <unfinished ...>
[pid  5879] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5878] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5877] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5876] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5879] close(20 <unfinished ...>
[pid  5878] close(23 <unfinished ...>
[pid  5877] close(25 <unfinished ...>
[pid  5876] close(24 <unfinished ...>
[pid  5880] <... openat resumed>)       = 3
[pid  5879] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5878] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5877] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5876] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5880] write(3, "1000", 4 <unfinished ...>
[pid  5879] close(21 <unfinished ...>
[pid  5878] close(24 <unfinished ...>
[pid  5877] close(26 <unfinished ...>
[pid  5876] close(25 <unfinished ...>
[pid  5880] <... write resumed>)        = 4
[pid  5879] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5878] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5877] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5876] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5880] close(3 <unfinished ...>
[pid  5879] close(22 <unfinished ...>
[pid  5878] close(25 <unfinished ...>
[pid  5877] close(27 <unfinished ...>
[pid  5876] close(26 <unfinished ...>
[pid  5880] <... close resumed>)        = 0
[pid  5879] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5878] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5877] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5876] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5880] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5879] close(23 <unfinished ...>
[pid  5878] close(26 <unfinished ...>
[pid  5877] close(28 <unfinished ...>
[pid  5876] close(27 <unfinished ...>
[pid  5880] <... symlink resumed>)      = 0
[pid  5879] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5878] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5877] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5876] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5879] close(24 <unfinished ...>
[pid  5878] close(27 <unfinished ...>
[pid  5877] close(29 <unfinished ...>
[pid  5876] close(28 <unfinished ...>
[pid  5879] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5878] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5877] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5876] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5879] close(25 <unfinished ...>
[pid  5878] close(28 <unfinished ...>
[pid  5877] exit_group(0 <unfinished ...>
[pid  5876] close(29 <unfinished ...>
[pid  5879] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5878] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5876] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5879] close(26 <unfinished ...>
[pid  5878] close(29 <unfinished ...>
[pid  5877] <... exit_group resumed>)   = ?
executing program
[pid  5876] exit_group(0 <unfinished ...>
[pid  5880] write(1, "executing program\n", 18 <unfinished ...>
[pid  5879] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5876] <... exit_group resumed>)   = ?
[pid  5880] <... write resumed>)        = 18
[pid  5878] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5880] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5876] +++ exited with 0 +++
[pid  5880] <... bpf resumed>)          = 3
[pid  5879] close(27 <unfinished ...>
[pid  5878] exit_group(0 <unfinished ...>
[pid  5880] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5878] <... exit_group resumed>)   = ?
[pid  5877] +++ exited with 0 +++
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5880] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5879] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5880] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4
[pid  5878] +++ exited with 0 +++
[pid  5879] close(28 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5880] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5879] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5879] close(29 <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5880] <... bpf resumed>)          = 5
[pid  5879] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5880] close(3 <unfinished ...>
[pid  5879] exit_group(0 <unfinished ...>
[pid  5853] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5880] <... close resumed>)        = 0
[pid  5879] <... exit_group resumed>)   = ?
[pid  5857] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[   60.605681][ T5844] RSP: 002b:00007ffc6ed2c268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   60.614116][ T5844] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00000000004e8593
[   60.622076][ T5844] RDX: 0000000000000012 RSI: 000000000e85c140 RDI: 0000000000000002
[   60.630035][ T5844] RBP: 000000000e85c140 R08: 0000000000000010 R09: 0000000000000005
[   60.638036][ T5844] R10: 0000000000664740 R11: 0000000000000246 R12: 0000000000000012
[   60.646010][ T5844] R13: 000000000063f460 R14: 0000000000000012 R15: 0000000000000001
[   60.653981][ T5844]  </TASK>
[pid  5880] close(4 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5880] <... close resumed>)        = 0
[pid  5879] +++ exited with 0 +++
[pid  5857] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5880] close(5 <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... openat resumed>)       = 3
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5880] <... close resumed>)        = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5880] close(6 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5880] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5880] close(7 <unfinished ...>
[pid  5857] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5880] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5880] close(8 <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./2/binderfs",  <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5880] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./2/binderfs",  <unfinished ...>
[pid  5880] close(9 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5880] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] unlink("./2/binderfs" <unfinished ...>
[pid  5855] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] unlink("./2/binderfs" <unfinished ...>
[pid  5880] close(10 <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  5880] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5880] close(11 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./2/binderfs",  <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5880] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] close(3 <unfinished ...>
[pid  5880] close(12 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... close resumed>)        = 0
[pid  5880] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... close resumed>)        = 0
[pid  5855] unlink("./2/binderfs" <unfinished ...>
[pid  5853] rmdir("./2" <unfinished ...>
[pid  5880] close(13 <unfinished ...>
[pid  5857] rmdir("./2" <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  5880] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... rmdir resumed>)        = 0
[pid  5855] <... unlink resumed>)       = 0
[pid  5853] mkdir("./3", 0777 <unfinished ...>
[pid  5880] close(14 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5880] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] mkdir("./3", 0777 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5880] close(15 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5855] close(3./strace-static-x86_64: Process 5881 attached
 <unfinished ...>
[pid  5880] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5881] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5880] close(16 <unfinished ...>
[pid  5855] rmdir("./2" <unfinished ...>
[pid  5881] <... set_robust_list resumed>) = 0
[pid  5880] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... rmdir resumed>)        = 0
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 5
[pid  5881] chdir("./3" <unfinished ...>
[pid  5880] close(17 <unfinished ...>
[pid  5855] mkdir("./3", 0777./strace-static-x86_64: Process 5882 attached
 <unfinished ...>
[pid  5881] <... chdir resumed>)        = 0
[pid  5880] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5882] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5881] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5880] close(18 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5882] <... set_robust_list resumed>) = 0
[pid  5881] <... prctl resumed>)        = 0
[pid  5880] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 5
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5881] setpgid(0, 0 <unfinished ...>
[pid  5880] close(19 <unfinished ...>
[pid  5882] chdir("./3" <unfinished ...>
[pid  5856] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5883 attached
 <unfinished ...>
[pid  5882] <... chdir resumed>)        = 0
[pid  5881] <... setpgid resumed>)      = 0
[pid  5880] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5882] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5883] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5882] <... prctl resumed>)        = 0
[pid  5881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5880] close(20 <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 5
[pid  5880] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5880] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  5880] close(22 <unfinished ...>
[pid  5883] <... set_robust_list resumed>) = 0
[pid  5880] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] <... openat resumed>)       = 3
[pid  5883] chdir("./3" <unfinished ...>
[pid  5882] setpgid(0, 0 <unfinished ...>
[pid  5881] write(3, "1000", 4 <unfinished ...>
[pid  5880] close(23 <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5883] <... chdir resumed>)        = 0
[pid  5882] <... setpgid resumed>)      = 0
[pid  5881] <... write resumed>)        = 4
[pid  5880] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5880] close(24 <unfinished ...>
[pid  5881] close(3 <unfinished ...>
[pid  5880] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5883] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5881] <... close resumed>)        = 0
[pid  5880] close(25 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5883] <... prctl resumed>)        = 0
[pid  5883] setpgid(0, 0 <unfinished ...>
[pid  5882] <... openat resumed>)       = 3
[pid  5881] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5880] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5883] <... setpgid resumed>)      = 0
[pid  5882] write(3, "1000", 4 <unfinished ...>
executing program
[pid  5880] close(26 <unfinished ...>
[pid  5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5882] <... write resumed>)        = 4
[pid  5881] <... symlink resumed>)      = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5883] <... openat resumed>)       = 3
[pid  5882] close(3 <unfinished ...>
[pid  5881] write(1, "executing program\n", 18 <unfinished ...>
[pid  5880] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5882] <... close resumed>)        = 0
[pid  5881] <... write resumed>)        = 18
[pid  5880] close(27 <unfinished ...>
[pid  5882] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5881] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5883] write(3, "1000", 4 <unfinished ...>
[pid  5882] <... symlink resumed>)      = 0
[pid  5880] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] newfstatat(AT_FDCWD, "./2/binderfs",  <unfinished ...>
[pid  5883] <... write resumed>)        = 4
[pid  5883] close(3)                    = 0
[pid  5883] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5881] <... bpf resumed>)          = 3
[pid  5880] close(28 <unfinished ...>
[pid  5883] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  5882] write(1, "executing program\n", 18 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5883] <... write resumed>)        = 18
[pid  5882] <... write resumed>)        = 18
[pid  5881] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5880] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5883] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5882] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5856] unlink("./2/binderfs" <unfinished ...>
[pid  5883] <... bpf resumed>)          = 3
[pid  5881] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5880] close(29 <unfinished ...>
[pid  5882] <... bpf resumed>)          = 3
[pid  5883] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5881] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5880] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... unlink resumed>)       = 0
[pid  5883] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5882] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5856] getdents64(3,  <unfinished ...>
[pid  5883] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5880] exit_group(0 <unfinished ...>
[pid  5883] <... bpf resumed>)          = 4
[pid  5882] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5881] <... bpf resumed>)          = 4
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5882] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5881] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5880] <... exit_group resumed>)   = ?
[pid  5856] close(3 <unfinished ...>
[pid  5883] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16) = 5
[pid  5883] close(3 <unfinished ...>
[pid  5882] <... bpf resumed>)          = 4
[pid  5881] <... bpf resumed>)          = 5
[pid  5880] +++ exited with 0 +++
[pid  5856] <... close resumed>)        = 0
[pid  5882] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5856] rmdir("./2" <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5882] <... bpf resumed>)          = 5
[pid  5882] close(3 <unfinished ...>
[pid  5883] <... close resumed>)        = 0
[pid  5882] <... close resumed>)        = 0
[pid  5881] close(3 <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5883] close(4 <unfinished ...>
[pid  5882] close(4 <unfinished ...>
[pid  5881] <... close resumed>)        = 0
[pid  5883] <... close resumed>)        = 0
[pid  5882] <... close resumed>)        = 0
[pid  5881] close(4 <unfinished ...>
[pid  5856] mkdir("./3", 0777 <unfinished ...>
[pid  5854] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5883] close(5 <unfinished ...>
[pid  5882] close(5 <unfinished ...>
[pid  5881] <... close resumed>)        = 0
[pid  5882] <... close resumed>)        = 0
[pid  5881] close(5 <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5882] close(6)                    = -1 EBADF (Bad file descriptor)
[pid  5854] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5882] close(7 <unfinished ...>
[pid  5881] <... close resumed>)        = 0
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5883] <... close resumed>)        = 0
[pid  5882] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] close(6./strace-static-x86_64: Process 5884 attached
 <unfinished ...>
[pid  5883] close(6 <unfinished ...>
[pid  5882] close(8 <unfinished ...>
[pid  5881] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5884] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5883] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5882] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] close(7 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 5
[pid  5884] <... set_robust_list resumed>) = 0
[pid  5882] close(9 <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5884] chdir("./3" <unfinished ...>
[pid  5883] close(7 <unfinished ...>
[pid  5882] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5884] <... chdir resumed>)        = 0
[pid  5883] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5882] close(10 <unfinished ...>
[pid  5881] close(8 <unfinished ...>
[pid  5884] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5883] close(8 <unfinished ...>
[pid  5882] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5884] <... prctl resumed>)        = 0
[pid  5883] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5882] close(11 <unfinished ...>
[pid  5881] close(9 <unfinished ...>
[pid  5884] setpgid(0, 0 <unfinished ...>
[pid  5883] close(9 <unfinished ...>
[pid  5882] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5884] <... setpgid resumed>)      = 0
[pid  5883] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5882] close(12 <unfinished ...>
[pid  5881] close(10 <unfinished ...>
[pid  5884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5883] close(10 <unfinished ...>
[pid  5882] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5884] <... openat resumed>)       = 3
[pid  5883] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5882] close(13 <unfinished ...>
[pid  5881] close(11 <unfinished ...>
[pid  5884] write(3, "1000", 4 <unfinished ...>
[pid  5883] close(11 <unfinished ...>
[pid  5882] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] newfstatat(AT_FDCWD, "./2/binderfs",  <unfinished ...>
[pid  5884] <... write resumed>)        = 4
[pid  5883] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5882] close(14 <unfinished ...>
[pid  5881] close(12 <unfinished ...>
[pid  5884] close(3 <unfinished ...>
[pid  5883] close(12 <unfinished ...>
[pid  5882] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5884] <... close resumed>)        = 0
[pid  5883] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5882] close(15 <unfinished ...>
[pid  5881] close(13 <unfinished ...>
[pid  5854] unlink("./2/binderfs" <unfinished ...>
[pid  5884] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5882] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5883] close(13executing program
 <unfinished ...>
[pid  5884] <... symlink resumed>)      = 0
[pid  5881] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... unlink resumed>)       = 0
[pid  5882] close(16 <unfinished ...>
[pid  5884] write(1, "executing program\n", 18 <unfinished ...>
[pid  5883] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] close(14 <unfinished ...>
[pid  5882] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5884] <... write resumed>)        = 18
[pid  5883] close(14 <unfinished ...>
[pid  5882] close(17 <unfinished ...>
[pid  5881] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5884] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5883] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] close(15 <unfinished ...>
[pid  5883] close(15 <unfinished ...>
[pid  5881] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5883] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] close(16 <unfinished ...>
[pid  5883] close(16 <unfinished ...>
[pid  5881] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5883] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] close(17 <unfinished ...>
[pid  5883] close(17 <unfinished ...>
[pid  5881] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5883] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] close(18 <unfinished ...>
[pid  5883] close(18 <unfinished ...>
[pid  5881] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5883] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] close(19 <unfinished ...>
[pid  5883] close(19 <unfinished ...>
[pid  5881] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5884] <... bpf resumed>)          = 3
[pid  5883] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5882] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] close(20 <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5884] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5883] close(20 <unfinished ...>
[pid  5882] close(18 <unfinished ...>
[pid  5881] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... close resumed>)        = 0
[pid  5884] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5883] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5882] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] close(21 <unfinished ...>
[pid  5854] rmdir("./2" <unfinished ...>
[pid  5884] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5883] close(21 <unfinished ...>
[pid  5882] close(19 <unfinished ...>
[pid  5881] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... rmdir resumed>)        = 0
[pid  5884] <... bpf resumed>)          = 4
[pid  5883] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5882] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] close(22 <unfinished ...>
[pid  5884] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5883] close(22 <unfinished ...>
[pid  5882] close(20 <unfinished ...>
[pid  5881] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] mkdir("./3", 0777 <unfinished ...>
[pid  5884] <... bpf resumed>)          = 5
[pid  5883] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5882] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] close(23 <unfinished ...>
[pid  5884] close(3 <unfinished ...>
[pid  5883] close(23 <unfinished ...>
[pid  5882] close(21 <unfinished ...>
[pid  5881] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... mkdir resumed>)        = 0
[pid  5884] <... close resumed>)        = 0
[pid  5882] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5884] close(4 <unfinished ...>
[pid  5882] close(22 <unfinished ...>
[pid  5883] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] close(24 <unfinished ...>
[pid  5883] close(24 <unfinished ...>
[pid  5881] <... close resumed>)        = -1 EBADF (Bad file descriptor)
./strace-static-x86_64: Process 5885 attached
[pid  5884] <... close resumed>)        = 0
[pid  5883] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5882] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] close(25 <unfinished ...>
[pid  5885] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5884] close(5 <unfinished ...>
[pid  5883] close(25 <unfinished ...>
[pid  5882] close(23 <unfinished ...>
[pid  5881] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5885] <... set_robust_list resumed>) = 0
[pid  5884] <... close resumed>)        = 0
[pid  5883] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5882] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] close(26 <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 5
[pid  5885] chdir("./3" <unfinished ...>
[pid  5884] close(6 <unfinished ...>
[pid  5883] close(26 <unfinished ...>
[pid  5882] close(24 <unfinished ...>
[pid  5881] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5885] <... chdir resumed>)        = 0
[pid  5884] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5883] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5882] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] close(27 <unfinished ...>
[pid  5885] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5884] close(7 <unfinished ...>
[pid  5883] close(27 <unfinished ...>
[pid  5882] close(25 <unfinished ...>
[pid  5881] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5883] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] close(28 <unfinished ...>
[pid  5885] <... prctl resumed>)        = 0
[pid  5884] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5883] close(28 <unfinished ...>
[pid  5882] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5885] setpgid(0, 0 <unfinished ...>
[pid  5884] close(8 <unfinished ...>
[pid  5883] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5882] close(26 <unfinished ...>
[pid  5881] close(29 <unfinished ...>
[pid  5885] <... setpgid resumed>)      = 0
[pid  5884] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5883] close(29 <unfinished ...>
[pid  5882] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5884] close(9 <unfinished ...>
[pid  5883] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5882] close(27 <unfinished ...>
[pid  5881] exit_group(0 <unfinished ...>
[pid  5884] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5883] exit_group(0 <unfinished ...>
[pid  5882] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5881] <... exit_group resumed>)   = ?
[pid  5885] <... openat resumed>)       = 3
[pid  5884] close(10 <unfinished ...>
[pid  5883] <... exit_group resumed>)   = ?
[pid  5882] close(28 <unfinished ...>
[pid  5881] +++ exited with 0 +++
[pid  5885] write(3, "1000", 4 <unfinished ...>
[pid  5884] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5883] +++ exited with 0 +++
[pid  5882] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5885] <... write resumed>)        = 4
[pid  5884] close(11 <unfinished ...>
[pid  5882] close(29 <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5885] close(3 <unfinished ...>
[pid  5884] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5885] <... close resumed>)        = 0
[pid  5882] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5884] close(12 <unfinished ...>
[pid  5853] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5885] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5884] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5884] close(13 <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5885] <... symlink resumed>)      = 0
[pid  5884] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5882] exit_group(0 <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5882] <... exit_group resumed>)   = ?
[pid  5885] write(1, "executing program\n", 18 <unfinished ...>
[pid  5884] close(14 <unfinished ...>
[pid  5882] +++ exited with 0 +++
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5853] <... openat resumed>)       = 3
executing program
[pid  5885] <... write resumed>)        = 18
[pid  5884] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5884] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5885] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5884] close(16 <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5885] <... bpf resumed>)          = 3
[pid  5884] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5885] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5884] close(17 <unfinished ...>
[pid  5857] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5884] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5885] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5884] close(18 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5885] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5884] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5885] <... bpf resumed>)          = 4
[pid  5884] close(19 <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./3/binderfs",  <unfinished ...>
[pid  5885] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5884] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] unlink("./3/binderfs")      = 0
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5884] close(20 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5884] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5884] close(21 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] close(3 <unfinished ...>
[pid  5885] <... bpf resumed>)          = 5
[pid  5884] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5885] close(3 <unfinished ...>
[pid  5884] close(22 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5885] <... close resumed>)        = 0
[pid  5884] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] rmdir("./3" <unfinished ...>
[pid  5885] close(4 <unfinished ...>
[pid  5884] close(23 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  5885] <... close resumed>)        = 0
[pid  5884] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5885] close(5 <unfinished ...>
[pid  5884] close(24 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] newfstatat(AT_FDCWD, "./3/binderfs",  <unfinished ...>
[pid  5853] mkdir("./4", 0777 <unfinished ...>
[pid  5885] <... close resumed>)        = 0
[pid  5884] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(AT_FDCWD, "./3/binderfs",  <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  5885] close(6)                    = -1 EBADF (Bad file descriptor)
[pid  5885] close(7 <unfinished ...>
[pid  5884] close(25 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] unlink("./3/binderfs" <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5885] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5884] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... unlink resumed>)       = 0
[pid  5885] close(8 <unfinished ...>
[pid  5884] close(26 <unfinished ...>
[pid  5885] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5884] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5885] close(9 <unfinished ...>
[pid  5884] close(27 <unfinished ...>
[pid  5885] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5884] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5885] close(10 <unfinished ...>
[pid  5884] close(28./strace-static-x86_64: Process 5886 attached
 <unfinished ...>
[pid  5885] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5884] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5884] close(29 <unfinished ...>
[pid  5886] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5885] close(11 <unfinished ...>
[pid  5884] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] unlink("./3/binderfs" <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 6
[pid  5886] <... set_robust_list resumed>) = 0
[pid  5885] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5884] exit_group(0 <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5886] chdir("./4" <unfinished ...>
[pid  5885] close(12 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5884] <... exit_group resumed>)   = ?
[pid  5855] <... close resumed>)        = 0
[pid  5886] <... chdir resumed>)        = 0
[pid  5885] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5886] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5855] rmdir("./3" <unfinished ...>
[pid  5886] <... prctl resumed>)        = 0
[pid  5885] close(13 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5886] setpgid(0, 0 <unfinished ...>
[pid  5885] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5884] +++ exited with 0 +++
[pid  5857] <... close resumed>)        = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  5886] <... setpgid resumed>)      = 0
[pid  5885] close(14 <unfinished ...>
[pid  5857] rmdir("./3" <unfinished ...>
[pid  5855] mkdir("./4", 0777 <unfinished ...>
[pid  5886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5885] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] <... mkdir resumed>)        = 0
[pid  5885] close(15 <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5885] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] mkdir("./4", 0777 <unfinished ...>
[pid  5886] <... openat resumed>)       = 3
[pid  5885] close(16 <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5886] write(3, "1000", 4 <unfinished ...>
[pid  5885] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] <... restart_syscall resumed>) = 0
./strace-static-x86_64: Process 5887 attached
[pid  5886] <... write resumed>)        = 4
[pid  5885] close(17 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5886] close(3 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 6
[pid  5885] <... close resumed>)        = -1 EBADF (Bad file descriptor)
./strace-static-x86_64: Process 5888 attached
[pid  5887] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5886] <... close resumed>)        = 0
[pid  5885] close(18 <unfinished ...>
[pid  5856] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5886] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5885] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5888] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5887] <... set_robust_list resumed>) = 0
[pid  5885] close(19 <unfinished ...>
[pid  5888] <... set_robust_list resumed>) = 0
[pid  5887] chdir("./4" <unfinished ...>
[pid  5886] <... symlink resumed>)      = 0
[pid  5885] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5888] chdir("./4" <unfinished ...>
[pid  5887] <... chdir resumed>)        = 0
[pid  5885] close(20 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 6
[pid  5856] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5886] write(1, "executing program\n", 18 <unfinished ...>
[pid  5888] <... chdir resumed>)        = 0
executing program
[pid  5885] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... openat resumed>)       = 3
[pid  5888] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5887] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5886] <... write resumed>)        = 18
[pid  5885] close(21 <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5888] <... prctl resumed>)        = 0
[pid  5887] <... prctl resumed>)        = 0
[pid  5886] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5885] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5888] setpgid(0, 0 <unfinished ...>
[pid  5887] setpgid(0, 0 <unfinished ...>
[pid  5885] close(22 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5888] <... setpgid resumed>)      = 0
[pid  5887] <... setpgid resumed>)      = 0
[pid  5886] <... bpf resumed>)          = 3
[pid  5885] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5886] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5885] close(23 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5885] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5887] <... openat resumed>)       = 3
[pid  5886] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5885] close(24 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5888] <... openat resumed>)       = 3
[pid  5887] write(3, "1000", 4 <unfinished ...>
[pid  5886] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5885] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5888] write(3, "1000", 4 <unfinished ...>
[pid  5887] <... write resumed>)        = 4
[pid  5885] close(25 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5888] <... write resumed>)        = 4
[pid  5887] close(3 <unfinished ...>
[pid  5885] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5888] close(3 <unfinished ...>
[pid  5887] <... close resumed>)        = 0
[pid  5885] close(26 <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./3/binderfs",  <unfinished ...>
[pid  5888] <... close resumed>)        = 0
[pid  5887] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5885] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5888] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5887] <... symlink resumed>)      = 0
[pid  5885] close(27)                   = -1 EBADF (Bad file descriptor)
executing program
executing program
[pid  5856] unlink("./3/binderfs" <unfinished ...>
[pid  5888] <... symlink resumed>)      = 0
[pid  5887] write(1, "executing program\n", 18 <unfinished ...>
[pid  5885] close(28 <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5887] <... write resumed>)        = 18
[pid  5885] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5888] write(1, "executing program\n", 18 <unfinished ...>
[pid  5887] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5885] close(29 <unfinished ...>
[pid  5888] <... write resumed>)        = 18
[pid  5886] <... bpf resumed>)          = 4
[pid  5885] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5888] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5887] <... bpf resumed>)          = 3
[pid  5886] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5885] exit_group(0 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5888] <... bpf resumed>)          = 3
[pid  5887] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5885] <... exit_group resumed>)   = ?
[pid  5856] close(3 <unfinished ...>
[pid  5888] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5887] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5886] <... bpf resumed>)          = 5
[pid  5888] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5887] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5885] +++ exited with 0 +++
[pid  5856] <... close resumed>)        = 0
[pid  5888] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5886] close(3 <unfinished ...>
[pid  5888] <... bpf resumed>)          = 4
[pid  5887] <... bpf resumed>)          = 4
[pid  5886] <... close resumed>)        = 0
[pid  5856] rmdir("./3" <unfinished ...>
[pid  5888] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5887] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5886] close(4 <unfinished ...>
[pid  5888] <... bpf resumed>)          = 5
[pid  5887] <... bpf resumed>)          = 5
[pid  5886] <... close resumed>)        = 0
[pid  5856] <... rmdir resumed>)        = 0
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5888] close(3 <unfinished ...>
[pid  5887] close(3 <unfinished ...>
[pid  5886] close(5 <unfinished ...>
[pid  5856] mkdir("./4", 0777 <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5888] <... close resumed>)        = 0
[pid  5887] <... close resumed>)        = 0
[pid  5886] <... close resumed>)        = 0
[pid  5886] close(6)                    = -1 EBADF (Bad file descriptor)
[pid  5886] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  5886] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  5886] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  5886] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  5886] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  5886] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  5886] close(13 <unfinished ...>
[pid  5887] close(4 <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5888] close(4 <unfinished ...>
[pid  5887] <... close resumed>)        = 0
[pid  5886] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5888] <... close resumed>)        = 0
[pid  5887] close(5 <unfinished ...>
[pid  5886] close(14 <unfinished ...>
[pid  5888] close(5 <unfinished ...>
[pid  5886] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5886] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  5886] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  5886] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  5886] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  5886] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  5886] close(20./strace-static-x86_64: Process 5889 attached
)                   = -1 EBADF (Bad file descriptor)
[pid  5886] close(21 <unfinished ...>
[pid  5889] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5887] <... close resumed>)        = 0
[pid  5886] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5886] close(22 <unfinished ...>
[pid  5889] <... set_robust_list resumed>) = 0
[pid  5886] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5889] chdir("./4" <unfinished ...>
[pid  5888] <... close resumed>)        = 0
[pid  5887] close(6 <unfinished ...>
[pid  5886] close(23 <unfinished ...>
[pid  5889] <... chdir resumed>)        = 0
[pid  5888] close(6 <unfinished ...>
[pid  5887] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5886] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 6
[pid  5889] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5888] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5887] close(7 <unfinished ...>
[pid  5886] close(24 <unfinished ...>
[pid  5889] <... prctl resumed>)        = 0
[pid  5888] close(7 <unfinished ...>
[pid  5887] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5886] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5889] setpgid(0, 0 <unfinished ...>
[pid  5888] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5887] close(8 <unfinished ...>
[pid  5886] close(25 <unfinished ...>
[pid  5889] <... setpgid resumed>)      = 0
[pid  5888] close(8 <unfinished ...>
[pid  5887] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5886] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5888] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5887] close(9 <unfinished ...>
[pid  5886] close(26 <unfinished ...>
[pid  5888] close(9 <unfinished ...>
[pid  5887] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5888] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5887] close(10 <unfinished ...>
[pid  5888] close(10 <unfinished ...>
[pid  5889] <... openat resumed>)       = 3
[pid  5888] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5887] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5886] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5888] close(11 <unfinished ...>
[pid  5887] close(11 <unfinished ...>
[pid  5886] close(27 <unfinished ...>
[pid  5889] write(3, "1000", 4 <unfinished ...>
[pid  5888] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5887] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5886] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5889] <... write resumed>)        = 4
[pid  5888] close(12 <unfinished ...>
[pid  5887] close(12 <unfinished ...>
[pid  5886] close(28 <unfinished ...>
[pid  5889] close(3 <unfinished ...>
[pid  5888] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5887] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5886] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5889] <... close resumed>)        = 0
[pid  5888] close(13 <unfinished ...>
[pid  5887] close(13 <unfinished ...>
[pid  5886] close(29 <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5889] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5888] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5887] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5886] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5889] <... symlink resumed>)      = 0
[pid  5888] close(14 <unfinished ...>
[pid  5887] close(14 <unfinished ...>
[pid  5886] exit_group(0 <unfinished ...>
[pid  5888] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5887] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... openat resumed>)       = 3
[pid  5888] close(15 <unfinished ...>
[pid  5887] close(15 <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5888] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5887] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5888] close(16 <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5887] close(16 <unfinished ...>
[pid  5888] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5887] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5888] close(17 <unfinished ...>
[pid  5887] close(17 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5888] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5887] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5888] close(18 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5887] close(18 <unfinished ...>
[pid  5888] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5887] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5888] close(19 <unfinished ...>
[pid  5887] close(19 <unfinished ...>
[pid  5888] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5887] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5888] close(20 <unfinished ...>
[pid  5887] close(20 <unfinished ...>
[pid  5888] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5887] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5888] close(21 <unfinished ...>
[pid  5887] close(21 <unfinished ...>
[pid  5888] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5887] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] newfstatat(AT_FDCWD, "./3/binderfs",  <unfinished ...>
[pid  5888] close(22 <unfinished ...>
[pid  5887] close(22 <unfinished ...>
executing program
[pid  5889] write(1, "executing program\n", 18 <unfinished ...>
[pid  5888] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5887] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5886] <... exit_group resumed>)   = ?
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5889] <... write resumed>)        = 18
[pid  5888] close(23 <unfinished ...>
[pid  5887] close(23 <unfinished ...>
[pid  5886] +++ exited with 0 +++
[pid  5889] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5888] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5887] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] unlink("./3/binderfs" <unfinished ...>
[pid  5889] <... bpf resumed>)          = 3
[pid  5887] close(24 <unfinished ...>
[pid  5889] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5887] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5888] close(24 <unfinished ...>
[pid  5889] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5887] close(25 <unfinished ...>
[pid  5889] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5887] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5888] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5889] <... bpf resumed>)          = 4
[pid  5888] close(25 <unfinished ...>
[pid  5887] close(26 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5889] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5888] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5889] <... bpf resumed>)          = 5
[pid  5888] close(26 <unfinished ...>
[pid  5887] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5889] close(3 <unfinished ...>
[pid  5888] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5887] close(27 <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5888] close(27 <unfinished ...>
[pid  5887] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... close resumed>)        = 0
[pid  5888] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5887] close(28 <unfinished ...>
[pid  5854] rmdir("./3" <unfinished ...>
[pid  5888] close(28 <unfinished ...>
[pid  5887] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5889] <... close resumed>)        = 0
[pid  5887] close(29 <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  5888] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5889] close(4 <unfinished ...>
[pid  5888] close(29 <unfinished ...>
[pid  5887] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] mkdir("./4", 0777 <unfinished ...>
[pid  5889] <... close resumed>)        = 0
[pid  5888] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5889] close(5 <unfinished ...>
[pid  5887] exit_group(0 <unfinished ...>
[pid  5889] <... close resumed>)        = 0
[pid  5888] exit_group(0 <unfinished ...>
[pid  5887] <... exit_group resumed>)   = ?
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5888] <... exit_group resumed>)   = ?
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5889] close(6)                    = -1 EBADF (Bad file descriptor)
[pid  5853] <... openat resumed>)       = 3
[pid  5889] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  5889] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  5889] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  5889] close(10./strace-static-x86_64: Process 5890 attached
)                   = -1 EBADF (Bad file descriptor)
[pid  5888] +++ exited with 0 +++
[pid  5887] +++ exited with 0 +++
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5889] close(11 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5890] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 6
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5889] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5890] <... set_robust_list resumed>) = 0
[pid  5889] close(12 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5889] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5890] chdir("./4" <unfinished ...>
[pid  5889] close(13 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] newfstatat(AT_FDCWD, "./4/binderfs",  <unfinished ...>
[pid  5889] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5890] <... chdir resumed>)        = 0
[pid  5889] close(14 <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5890] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5889] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5890] <... prctl resumed>)        = 0
[pid  5889] close(15 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] unlink("./4/binderfs" <unfinished ...>
[pid  5890] setpgid(0, 0 <unfinished ...>
[pid  5889] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5890] <... setpgid resumed>)      = 0
[pid  5857] <... openat resumed>)       = 3
[pid  5889] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  5889] close(17 <unfinished ...>
[pid  5890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5889] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5889] close(18 <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5889] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5889] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  5889] close(20 <unfinished ...>
[pid  5890] <... openat resumed>)       = 3
[pid  5889] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5889] close(21 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5890] write(3, "1000", 4 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5890] <... write resumed>)        = 4
[pid  5855] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5890] close(3 <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5890] <... close resumed>)        = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... close resumed>)        = 0
[pid  5890] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] newfstatat(AT_FDCWD, "./4/binderfs",  <unfinished ...>
[pid  5853] rmdir("./4" <unfinished ...>
[pid  5890] <... symlink resumed>)      = 0
[pid  5889] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5889] close(22 <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  5889] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5889] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  5889] close(24 <unfinished ...>
[pid  5857] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program
 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] mkdir("./5", 0777 <unfinished ...>
[pid  5890] write(1, "executing program\n", 18 <unfinished ...>
[pid  5889] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] unlink("./4/binderfs" <unfinished ...>
[pid  5890] <... write resumed>)        = 18
[pid  5889] close(25 <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./4/binderfs",  <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5889] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... unlink resumed>)       = 0
[pid  5890] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5889] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5890] <... bpf resumed>)          = 3
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5890] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5889] close(27 <unfinished ...>
[pid  5857] unlink("./4/binderfs" <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
./strace-static-x86_64: Process 5891 attached
[pid  5890] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5889] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... unlink resumed>)       = 0
[pid  5855] close(3 <unfinished ...>
[pid  5889] close(28 <unfinished ...>
[pid  5891] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5890] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5889] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 7
[pid  5889] close(29 <unfinished ...>
[pid  5891] <... set_robust_list resumed>) = 0
[pid  5889] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5891] chdir("./5" <unfinished ...>
[pid  5890] <... bpf resumed>)          = 4
[pid  5889] exit_group(0 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5855] rmdir("./4" <unfinished ...>
[pid  5889] <... exit_group resumed>)   = ?
[pid  5891] <... chdir resumed>)        = 0
[pid  5857] <... close resumed>)        = 0
[pid  5891] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] rmdir("./4" <unfinished ...>
[pid  5891] <... prctl resumed>)        = 0
[pid  5857] <... rmdir resumed>)        = 0
[pid  5891] setpgid(0, 0 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  5891] <... setpgid resumed>)      = 0
[pid  5857] mkdir("./5", 0777 <unfinished ...>
[pid  5855] mkdir("./5", 0777 <unfinished ...>
[pid  5891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5890] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5889] +++ exited with 0 +++
[pid  5857] <... mkdir resumed>)        = 0
[pid  5855] <... mkdir resumed>)        = 0
[pid  5890] <... bpf resumed>)          = 5
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5891] <... openat resumed>)       = 3
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5890] close(3./strace-static-x86_64: Process 5892 attached
)                    = 0
./strace-static-x86_64: Process 5893 attached
[pid  5892] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5891] write(3, "1000", 4 <unfinished ...>
[pid  5890] close(4 <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5893] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5890] <... close resumed>)        = 0
[pid  5893] <... set_robust_list resumed>) = 0
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 7
[pid  5892] <... set_robust_list resumed>) = 0
[pid  5891] <... write resumed>)        = 4
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 7
[pid  5893] chdir("./5" <unfinished ...>
[pid  5890] close(5)                    = 0
[pid  5892] chdir("./5" <unfinished ...>
[pid  5891] close(3 <unfinished ...>
[pid  5893] <... chdir resumed>)        = 0
[pid  5890] close(6)                    = -1 EBADF (Bad file descriptor)
[pid  5891] <... close resumed>)        = 0
[pid  5890] close(7 <unfinished ...>
[pid  5893] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5892] <... chdir resumed>)        = 0
[pid  5891] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5893] <... prctl resumed>)        = 0
[pid  5890] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5893] setpgid(0, 0 <unfinished ...>
[pid  5890] close(8 <unfinished ...>
[pid  5856] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5892] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5891] <... symlink resumed>)      = 0
[pid  5890] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5892] <... prctl resumed>)        = 0
[pid  5893] <... setpgid resumed>)      = 0
[pid  5890] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  5893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5892] setpgid(0, 0 <unfinished ...>
[pid  5891] write(1, "executing program\n", 18 <unfinished ...>
[pid  5890] close(10 <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5893] <... openat resumed>)       = 3
executing program
[pid  5892] <... setpgid resumed>)      = 0
[pid  5891] <... write resumed>)        = 18
[pid  5890] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... openat resumed>)       = 3
[pid  5893] write(3, "1000", 4 <unfinished ...>
[pid  5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5891] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5890] close(11 <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5893] <... write resumed>)        = 4
[pid  5890] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5891] <... bpf resumed>)          = 3
[pid  5890] close(12 <unfinished ...>
[pid  5893] close(3 <unfinished ...>
[pid  5892] <... openat resumed>)       = 3
[pid  5891] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5890] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5893] <... close resumed>)        = 0
[pid  5892] write(3, "1000", 4 <unfinished ...>
[pid  5893] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5892] <... write resumed>)        = 4
[pid  5890] close(13 <unfinished ...>
[pid  5893] <... symlink resumed>)      = 0
[pid  5892] close(3 <unfinished ...>
[pid  5891] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5890] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
executing program
[pid  5893] write(1, "executing program\n", 18 <unfinished ...>
[pid  5892] <... close resumed>)        = 0
[pid  5893] <... write resumed>)        = 18
[pid  5892] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5893] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5892] <... symlink resumed>)      = 0
[pid  5893] <... bpf resumed>)          = 3
[pid  5893] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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 ...>
executing program
[pid  5892] write(1, "executing program\n", 18 <unfinished ...>
[pid  5893] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5892] <... write resumed>)        = 18
[pid  5893] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5892] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5893] <... bpf resumed>)          = 4
[pid  5891] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5890] close(14 <unfinished ...>
[pid  5856] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5892] <... bpf resumed>)          = 3
[pid  5892] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5893] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5892] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5893] <... bpf resumed>)          = 5
[pid  5892] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5891] <... bpf resumed>)          = 4
[pid  5890] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5893] close(3 <unfinished ...>
[pid  5890] close(15 <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./4/binderfs",  <unfinished ...>
[pid  5893] <... close resumed>)        = 0
[pid  5892] <... bpf resumed>)          = 4
[pid  5890] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5893] close(4 <unfinished ...>
[pid  5892] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5891] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5890] close(16 <unfinished ...>
[pid  5856] unlink("./4/binderfs" <unfinished ...>
[pid  5893] <... close resumed>)        = 0
[pid  5892] <... bpf resumed>)          = 5
[pid  5891] <... bpf resumed>)          = 5
[pid  5890] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... unlink resumed>)       = 0
[pid  5893] close(5 <unfinished ...>
[pid  5892] close(3 <unfinished ...>
[pid  5890] close(17 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5893] <... close resumed>)        = 0
[pid  5892] <... close resumed>)        = 0
[pid  5891] close(3 <unfinished ...>
[pid  5890] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5893] close(6 <unfinished ...>
[pid  5892] close(4 <unfinished ...>
[pid  5891] <... close resumed>)        = 0
[pid  5890] close(18 <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5893] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5892] <... close resumed>)        = 0
[pid  5891] close(4 <unfinished ...>
[pid  5890] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... close resumed>)        = 0
[pid  5893] close(7 <unfinished ...>
[pid  5892] close(5 <unfinished ...>
[pid  5891] <... close resumed>)        = 0
[pid  5890] close(19 <unfinished ...>
[pid  5856] rmdir("./4" <unfinished ...>
[pid  5893] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5892] <... close resumed>)        = 0
[pid  5891] close(5 <unfinished ...>
[pid  5890] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... rmdir resumed>)        = 0
[pid  5893] close(8 <unfinished ...>
[pid  5892] close(6 <unfinished ...>
[pid  5891] <... close resumed>)        = 0
[pid  5890] close(20 <unfinished ...>
[pid  5856] mkdir("./5", 0777 <unfinished ...>
[pid  5893] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5892] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5890] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5893] close(9 <unfinished ...>
[pid  5892] close(7 <unfinished ...>
[pid  5891] close(6 <unfinished ...>
[pid  5890] close(21 <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5893] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5892] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5891] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5890] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5894 attached
 <unfinished ...>
[pid  5893] close(10 <unfinished ...>
[pid  5892] close(8 <unfinished ...>
[pid  5891] close(7 <unfinished ...>
[pid  5890] close(22 <unfinished ...>
[pid  5893] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5892] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5891] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5890] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5894] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5893] close(11 <unfinished ...>
[pid  5892] close(9 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 7
[pid  5894] <... set_robust_list resumed>) = 0
[pid  5893] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5892] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5893] close(12 <unfinished ...>
[pid  5891] close(8 <unfinished ...>
[pid  5890] close(23 <unfinished ...>
[pid  5894] chdir("./5" <unfinished ...>
[pid  5893] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5892] close(10 <unfinished ...>
[pid  5891] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5890] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5894] <... chdir resumed>)        = 0
[pid  5893] close(13 <unfinished ...>
[pid  5892] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5891] close(9 <unfinished ...>
[pid  5890] close(24 <unfinished ...>
[pid  5894] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5893] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5892] close(11 <unfinished ...>
[pid  5891] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5890] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5894] <... prctl resumed>)        = 0
[pid  5893] close(14 <unfinished ...>
[pid  5892] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5891] close(10 <unfinished ...>
[pid  5890] close(25 <unfinished ...>
[pid  5891] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5890] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5891] close(11 <unfinished ...>
[pid  5890] close(26 <unfinished ...>
[pid  5894] setpgid(0, 0 <unfinished ...>
[pid  5893] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5892] close(12 <unfinished ...>
[pid  5891] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5890] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5894] <... setpgid resumed>)      = 0
[pid  5893] close(15 <unfinished ...>
[pid  5892] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5891] close(12 <unfinished ...>
[pid  5890] close(27 <unfinished ...>
[pid  5893] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5892] close(13 <unfinished ...>
[pid  5891] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5890] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5893] close(16 <unfinished ...>
[pid  5892] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5891] close(13 <unfinished ...>
[pid  5890] close(28 <unfinished ...>
[pid  5893] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5892] close(14 <unfinished ...>
[pid  5891] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5890] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5894] <... openat resumed>)       = 3
[pid  5893] close(17 <unfinished ...>
[pid  5892] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5891] close(14 <unfinished ...>
[pid  5890] close(29 <unfinished ...>
[pid  5892] close(15 <unfinished ...>
[pid  5891] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5890] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5894] write(3, "1000", 4 <unfinished ...>
[pid  5893] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5892] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5891] close(15 <unfinished ...>
[pid  5890] exit_group(0 <unfinished ...>
[pid  5894] <... write resumed>)        = 4
[pid  5893] close(18 <unfinished ...>
[pid  5892] close(16 <unfinished ...>
[pid  5891] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5890] <... exit_group resumed>)   = ?
[pid  5894] close(3 <unfinished ...>
[pid  5893] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5892] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5891] close(16 <unfinished ...>
[pid  5894] <... close resumed>)        = 0
[pid  5893] close(19 <unfinished ...>
[pid  5892] close(17 <unfinished ...>
[pid  5891] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5890] +++ exited with 0 +++
[pid  5893] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5892] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5891] close(17 <unfinished ...>
[pid  5894] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5893] close(20 <unfinished ...>
[pid  5892] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5892] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  5893] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5892] close(20 <unfinished ...>
[pid  5894] <... symlink resumed>)      = 0
[pid  5892] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5893] close(21executing program
 <unfinished ...>
[pid  5892] close(21 <unfinished ...>
[pid  5894] write(1, "executing program\n", 18 <unfinished ...>
[pid  5893] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5892] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5891] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5894] <... write resumed>)        = 18
[pid  5893] close(22 <unfinished ...>
[pid  5892] close(22 <unfinished ...>
[pid  5891] close(18 <unfinished ...>
[pid  5892] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5891] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5893] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5891] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  5892] close(23 <unfinished ...>
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5894] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5893] close(23 <unfinished ...>
[pid  5892] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5891] close(20 <unfinished ...>
[pid  5893] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5892] close(24 <unfinished ...>
[pid  5891] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5894] <... bpf resumed>)          = 3
[pid  5891] close(21 <unfinished ...>
[pid  5893] close(24 <unfinished ...>
[pid  5892] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5891] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5894] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5893] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5892] close(25 <unfinished ...>
[pid  5891] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  5854] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5891] close(23 <unfinished ...>
[pid  5893] close(25 <unfinished ...>
[pid  5892] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5891] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5894] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5893] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5892] close(26 <unfinished ...>
[pid  5891] close(24 <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5894] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5893] close(26 <unfinished ...>
[pid  5892] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5891] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5893] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5892] close(27 <unfinished ...>
[pid  5891] close(25 <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5893] close(27 <unfinished ...>
[pid  5892] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5891] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5891] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  5891] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  5891] close(28 <unfinished ...>
[pid  5894] <... bpf resumed>)          = 4
[pid  5891] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5891] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  5854] <... openat resumed>)       = 3
[pid  5894] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5893] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5892] close(28 <unfinished ...>
[pid  5891] exit_group(0 <unfinished ...>
[pid  5893] close(28 <unfinished ...>
[pid  5892] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5891] <... exit_group resumed>)   = ?
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5894] <... bpf resumed>)          = 5
[pid  5893] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5892] close(29 <unfinished ...>
[pid  5891] +++ exited with 0 +++
[pid  5893] close(29 <unfinished ...>
[pid  5892] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5893] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5893] exit_group(0 <unfinished ...>
[pid  5892] exit_group(0 <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5893] <... exit_group resumed>)   = ?
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5894] close(3 <unfinished ...>
[pid  5892] <... exit_group resumed>)   = ?
[pid  5894] <... close resumed>)        = 0
[pid  5893] +++ exited with 0 +++
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5894] close(4)                    = 0
[pid  5894] close(5)                    = 0
[pid  5894] close(6 <unfinished ...>
[pid  5892] +++ exited with 0 +++
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5894] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5894] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  5894] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5894] close(9 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5894] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] newfstatat(AT_FDCWD, "./4/binderfs",  <unfinished ...>
[pid  5894] close(10 <unfinished ...>
[pid  5857] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5894] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5894] close(11 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] unlink("./4/binderfs" <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5894] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5894] close(12 <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5853] <... openat resumed>)       = 3
[pid  5894] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... openat resumed>)       = 3
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5894] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5894] close(14 <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5894] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5894] close(15 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5894] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] close(3 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5894] close(16 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5853] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5894] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] rmdir("./4" <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5894] close(17 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] newfstatat(AT_FDCWD, "./5/binderfs",  <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] newfstatat(AT_FDCWD, "./5/binderfs",  <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./5/binderfs",  <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] mkdir("./5", 0777 <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5894] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] unlink("./5/binderfs" <unfinished ...>
[pid  5894] close(18 <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] unlink("./5/binderfs" <unfinished ...>
[pid  5857] unlink("./5/binderfs" <unfinished ...>
[pid  5894] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... unlink resumed>)       = 0
[pid  5855] <... unlink resumed>)       = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  5894] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5894] close(20 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5894] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] close(3 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
./strace-static-x86_64: Process 5895 attached
[pid  5894] close(21 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5855] close(3 <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5894] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5894] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  5894] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  5894] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  5894] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  5894] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  5894] close(27 <unfinished ...>
[pid  5895] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5894] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] rmdir("./5" <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 7
[pid  5853] <... close resumed>)        = 0
[pid  5895] <... set_robust_list resumed>) = 0
[pid  5894] close(28 <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5855] rmdir("./5" <unfinished ...>
[pid  5853] rmdir("./5" <unfinished ...>
[pid  5895] chdir("./5" <unfinished ...>
[pid  5894] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] mkdir("./6", 0777 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  5853] <... rmdir resumed>)        = 0
[pid  5895] <... chdir resumed>)        = 0
[pid  5894] close(29 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5855] mkdir("./6", 0777 <unfinished ...>
[pid  5895] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5894] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... mkdir resumed>)        = 0
[pid  5853] mkdir("./6", 0777 <unfinished ...>
[pid  5895] <... prctl resumed>)        = 0
[pid  5895] setpgid(0, 0 <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5895] <... setpgid resumed>)      = 0
[pid  5894] exit_group(0 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5896 attached
 <unfinished ...>
[pid  5895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5894] <... exit_group resumed>)   = ?
./strace-static-x86_64: Process 5898 attached
[pid  5896] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5895] <... openat resumed>)       = 3
[pid  5896] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 5897 attached
[pid  5895] write(3, "1000", 4 <unfinished ...>
[pid  5896] chdir("./6" <unfinished ...>
[pid  5895] <... write resumed>)        = 4
[pid  5896] <... chdir resumed>)        = 0
[pid  5897] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5895] close(3 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 8
[pid  5895] <... close resumed>)        = 0
[pid  5898] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5895] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5898] <... set_robust_list resumed>) = 0
[pid  5897] <... set_robust_list resumed>) = 0
[pid  5895] <... symlink resumed>)      = 0
[pid  5894] +++ exited with 0 +++
[pid  5896] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 8
[pid  5898] chdir("./6" <unfinished ...>
[pid  5897] chdir("./6" <unfinished ...>
[pid  5896] <... prctl resumed>)        = 0
[pid  5895] write(1, "executing program\n", 18 <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 8
executing program
[pid  5896] setpgid(0, 0 <unfinished ...>
[pid  5898] <... chdir resumed>)        = 0
[pid  5897] <... chdir resumed>)        = 0
[pid  5896] <... setpgid resumed>)      = 0
[pid  5895] <... write resumed>)        = 18
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5898] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5897] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5895] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5898] <... prctl resumed>)        = 0
[pid  5897] <... prctl resumed>)        = 0
[pid  5896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5895] <... bpf resumed>)          = 3
[pid  5898] setpgid(0, 0 <unfinished ...>
[pid  5897] setpgid(0, 0 <unfinished ...>
[pid  5895] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5898] <... setpgid resumed>)      = 0
[pid  5897] <... setpgid resumed>)      = 0
[pid  5896] <... openat resumed>)       = 3
[pid  5895] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5895] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5898] <... openat resumed>)       = 3
[pid  5897] write(3, "1000", 4 <unfinished ...>
[pid  5896] write(3, "1000", 4 <unfinished ...>
[pid  5895] <... bpf resumed>)          = 4
[pid  5898] write(3, "1000", 4 <unfinished ...>
[pid  5897] <... write resumed>)        = 4
[pid  5896] <... write resumed>)        = 4
[pid  5896] close(3 <unfinished ...>
[pid  5897] close(3 <unfinished ...>
[pid  5896] <... close resumed>)        = 0
[pid  5896] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5898] <... write resumed>)        = 4
[pid  5897] <... close resumed>)        = 0
[pid  5898] close(3 <unfinished ...>
[pid  5897] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5896] <... symlink resumed>)      = 0
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5898] <... close resumed>)        = 0
[pid  5897] <... symlink resumed>)      = 0
[pid  5895] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5898] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
executing program
[pid  5897] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5896] write(1, "executing program\n", 18 <unfinished ...>
[pid  5895] <... bpf resumed>)          = 5
[pid  5898] <... symlink resumed>)      = 0
[pid  5897] <... write resumed>)        = 18
[pid  5896] <... write resumed>)        = 18
[pid  5897] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program
 <unfinished ...>
[pid  5898] write(1, "executing program\n", 18 <unfinished ...>
[pid  5897] <... bpf resumed>)          = 3
[pid  5896] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5895] close(3 <unfinished ...>
[pid  5856] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5898] <... write resumed>)        = 18
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5896] <... bpf resumed>)          = 3
[pid  5856] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5898] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5897] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5895] <... close resumed>)        = 0
[pid  5898] <... bpf resumed>)          = 3
[pid  5897] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5896] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5895] close(4 <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5898] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5897] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5896] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5895] <... close resumed>)        = 0
[pid  5898] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5897] <... bpf resumed>)          = 4
[pid  5896] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5895] close(5 <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5898] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5897] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5895] <... close resumed>)        = 0
[pid  5898] <... bpf resumed>)          = 4
[pid  5896] <... bpf resumed>)          = 4
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5898] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5898] <... bpf resumed>)          = 5
[pid  5897] <... bpf resumed>)          = 5
[pid  5896] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5895] close(6 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5896] <... bpf resumed>)          = 5
[pid  5895] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5898] close(3 <unfinished ...>
[pid  5897] close(3 <unfinished ...>
[pid  5896] close(3 <unfinished ...>
[pid  5895] close(7 <unfinished ...>
[pid  5856] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5898] <... close resumed>)        = 0
[pid  5897] <... close resumed>)        = 0
[pid  5896] <... close resumed>)        = 0
[pid  5895] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5898] close(4 <unfinished ...>
[pid  5897] close(4 <unfinished ...>
[pid  5896] close(4 <unfinished ...>
[pid  5895] close(8 <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./5/binderfs",  <unfinished ...>
[pid  5898] <... close resumed>)        = 0
[pid  5897] <... close resumed>)        = 0
[pid  5896] <... close resumed>)        = 0
[pid  5895] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5898] close(5 <unfinished ...>
[pid  5897] close(5 <unfinished ...>
[pid  5896] close(5 <unfinished ...>
[pid  5895] close(9 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5898] <... close resumed>)        = 0
[pid  5897] <... close resumed>)        = 0
[pid  5896] <... close resumed>)        = 0
[pid  5895] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5898] close(6 <unfinished ...>
[pid  5856] unlink("./5/binderfs" <unfinished ...>
[pid  5898] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5897] close(6 <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5898] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  5897] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5898] close(8 <unfinished ...>
[pid  5897] close(7 <unfinished ...>
[pid  5898] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5897] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5898] close(9 <unfinished ...>
[pid  5897] close(8 <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5898] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5897] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... close resumed>)        = 0
[pid  5898] close(10 <unfinished ...>
[pid  5897] close(9 <unfinished ...>
[pid  5856] rmdir("./5" <unfinished ...>
[pid  5898] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5897] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... rmdir resumed>)        = 0
[pid  5898] close(11 <unfinished ...>
[pid  5897] close(10 <unfinished ...>
[pid  5898] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5897] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5898] close(12 <unfinished ...>
[pid  5897] close(11 <unfinished ...>
[pid  5856] mkdir("./6", 0777 <unfinished ...>
[pid  5898] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5897] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... mkdir resumed>)        = 0
[pid  5898] close(13 <unfinished ...>
[pid  5897] close(12 <unfinished ...>
[pid  5898] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5897] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5898] close(14 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5898] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5897] close(13 <unfinished ...>
[pid  5896] close(6 <unfinished ...>
[pid  5895] close(10./strace-static-x86_64: Process 5899 attached
 <unfinished ...>
[pid  5898] close(15 <unfinished ...>
[pid  5897] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5896] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5895] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5896] close(7 <unfinished ...>
[pid  5895] close(11 <unfinished ...>
[pid  5896] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5895] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5896] close(8 <unfinished ...>
[pid  5895] close(12 <unfinished ...>
[pid  5899] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5898] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5897] close(14 <unfinished ...>
[pid  5896] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5895] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 8
[pid  5899] <... set_robust_list resumed>) = 0
[pid  5898] close(16 <unfinished ...>
[pid  5897] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5896] close(9 <unfinished ...>
[pid  5895] close(13 <unfinished ...>
[pid  5899] chdir("./6" <unfinished ...>
[pid  5898] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5897] close(15 <unfinished ...>
[pid  5899] <... chdir resumed>)        = 0
[pid  5898] close(17 <unfinished ...>
[pid  5897] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5896] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5895] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5899] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5898] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5897] close(16 <unfinished ...>
[pid  5899] <... prctl resumed>)        = 0
[pid  5898] close(18 <unfinished ...>
[pid  5897] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5896] close(10 <unfinished ...>
[pid  5895] close(14 <unfinished ...>
[pid  5899] setpgid(0, 0 <unfinished ...>
[pid  5898] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5897] close(17 <unfinished ...>
[pid  5896] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5895] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5899] <... setpgid resumed>)      = 0
[pid  5898] close(19 <unfinished ...>
[pid  5897] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5896] close(11 <unfinished ...>
[pid  5895] close(15 <unfinished ...>
[pid  5898] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5897] close(18 <unfinished ...>
[pid  5896] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5895] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5898] close(20 <unfinished ...>
[pid  5897] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5896] close(12 <unfinished ...>
[pid  5899] <... openat resumed>)       = 3
[pid  5898] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5897] close(19 <unfinished ...>
[pid  5896] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5895] close(16 <unfinished ...>
[pid  5899] write(3, "1000", 4 <unfinished ...>
[pid  5898] close(21 <unfinished ...>
[pid  5897] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5896] close(13 <unfinished ...>
[pid  5895] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5899] <... write resumed>)        = 4
[pid  5898] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5897] close(20 <unfinished ...>
[pid  5896] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5895] close(17 <unfinished ...>
[pid  5899] close(3 <unfinished ...>
[pid  5898] close(22 <unfinished ...>
[pid  5897] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5896] close(14 <unfinished ...>
[pid  5895] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5899] <... close resumed>)        = 0
[pid  5898] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5897] close(21 <unfinished ...>
[pid  5896] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5895] close(18 <unfinished ...>
[pid  5899] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5898] close(23 <unfinished ...>
[pid  5897] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5896] close(15 <unfinished ...>
[pid  5895] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5898] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5897] close(22 <unfinished ...>
[pid  5896] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5895] close(19 <unfinished ...>
[pid  5896] close(16 <unfinished ...>
[pid  5895] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5896] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5895] close(20 <unfinished ...>
[pid  5896] close(17 <unfinished ...>
[pid  5895] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5896] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5895] close(21 <unfinished ...>
[pid  5896] close(18 <unfinished ...>
[pid  5895] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5899] <... symlink resumed>)      = 0
[pid  5898] close(24 <unfinished ...>
[pid  5897] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5896] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5895] close(22 <unfinished ...>
[pid  5898] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5897] close(23 <unfinished ...>
[pid  5896] close(19executing program
 <unfinished ...>
[pid  5895] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5899] write(1, "executing program\n", 18 <unfinished ...>
[pid  5898] close(25 <unfinished ...>
[pid  5897] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5896] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5899] <... write resumed>)        = 18
[pid  5895] close(23 <unfinished ...>
[pid  5898] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5897] close(24 <unfinished ...>
[pid  5896] close(20 <unfinished ...>
[pid  5895] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5899] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5897] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5896] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5895] close(24 <unfinished ...>
[pid  5898] close(26 <unfinished ...>
[pid  5897] close(25 <unfinished ...>
[pid  5896] close(21 <unfinished ...>
[pid  5895] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5898] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5897] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5896] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5895] close(25 <unfinished ...>
[pid  5899] <... bpf resumed>)          = 3
[pid  5898] close(27 <unfinished ...>
[pid  5897] close(26 <unfinished ...>
[pid  5896] close(22 <unfinished ...>
[pid  5895] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5899] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5898] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5897] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5896] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5895] close(26 <unfinished ...>
[pid  5898] close(28 <unfinished ...>
[pid  5897] close(27 <unfinished ...>
[pid  5896] close(23 <unfinished ...>
[pid  5895] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5899] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5898] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5897] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5896] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5895] close(27 <unfinished ...>
[pid  5899] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5898] close(29 <unfinished ...>
[pid  5897] close(28 <unfinished ...>
[pid  5896] close(24 <unfinished ...>
[pid  5895] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5899] <... bpf resumed>)          = 4
[pid  5898] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5897] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5896] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5895] close(28 <unfinished ...>
[pid  5899] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5898] exit_group(0 <unfinished ...>
[pid  5897] close(29 <unfinished ...>
[pid  5896] close(25 <unfinished ...>
[pid  5895] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5899] <... bpf resumed>)          = 5
[pid  5898] <... exit_group resumed>)   = ?
[pid  5897] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5896] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5895] close(29 <unfinished ...>
[pid  5897] exit_group(0 <unfinished ...>
[pid  5896] close(26 <unfinished ...>
[pid  5895] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5899] close(3 <unfinished ...>
[pid  5897] <... exit_group resumed>)   = ?
[pid  5896] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5895] exit_group(0 <unfinished ...>
[pid  5899] <... close resumed>)        = 0
[pid  5895] <... exit_group resumed>)   = ?
[pid  5899] close(4 <unfinished ...>
[pid  5898] +++ exited with 0 +++
[pid  5897] +++ exited with 0 +++
[pid  5896] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  5899] <... close resumed>)        = 0
[pid  5896] close(28 <unfinished ...>
[pid  5899] close(5 <unfinished ...>
[pid  5896] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5899] <... close resumed>)        = 0
[pid  5896] close(29 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5899] close(6 <unfinished ...>
[pid  5896] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5895] +++ exited with 0 +++
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5899] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5896] exit_group(0 <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5899] close(7 <unfinished ...>
[pid  5896] <... exit_group resumed>)   = ?
[pid  5857] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5899] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5899] close(8 <unfinished ...>
[pid  5896] +++ exited with 0 +++
[pid  5857] <... openat resumed>)       = 3
[pid  5853] <... openat resumed>)       = 3
[pid  5899] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5899] close(9 <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5899] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5899] close(10 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5899] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5899] close(11 <unfinished ...>
[pid  5857] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5899] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5899] close(12 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5899] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5899] close(13 <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./6/binderfs",  <unfinished ...>
[pid  5899] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5899] close(14 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] newfstatat(AT_FDCWD, "./6/binderfs",  <unfinished ...>
[pid  5899] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5899] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  5857] unlink("./6/binderfs" <unfinished ...>
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5899] close(16 <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5853] unlink("./6/binderfs" <unfinished ...>
[pid  5899] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5899] close(17 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5899] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5899] close(18 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5899] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... close resumed>)        = 0
[pid  5855] <... openat resumed>)       = 3
[pid  5899] close(19 <unfinished ...>
[pid  5857] rmdir("./6" <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5899] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5899] close(20 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] <... openat resumed>)       = 3
[pid  5853] <... close resumed>)        = 0
[pid  5899] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5899] close(21 <unfinished ...>
[pid  5853] rmdir("./6" <unfinished ...>
[pid  5899] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] mkdir("./7", 0777 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  5899] close(22 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5899] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] mkdir("./7", 0777 <unfinished ...>
[pid  5899] close(23 <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./6/binderfs",  <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... mkdir resumed>)        = 0
[pid  5899] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5899] close(24 <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5900 attached
 <unfinished ...>
[pid  5899] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 5901 attached
[pid  5899] close(25 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 9
[pid  5900] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5855] unlink("./6/binderfs" <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./5/binderfs",  <unfinished ...>
[pid  5901] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5900] <... set_robust_list resumed>) = 0
[pid  5899] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 9
[pid  5901] <... set_robust_list resumed>) = 0
[pid  5900] chdir("./7" <unfinished ...>
[pid  5899] close(26 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] unlink("./5/binderfs" <unfinished ...>
[pid  5901] chdir("./7" <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] close(3 <unfinished ...>
[pid  5901] <... chdir resumed>)        = 0
[pid  5900] <... chdir resumed>)        = 0
[pid  5899] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... close resumed>)        = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5901] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5900] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5899] close(27 <unfinished ...>
[pid  5855] rmdir("./6" <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5901] <... prctl resumed>)        = 0
[pid  5900] <... prctl resumed>)        = 0
[pid  5899] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5901] setpgid(0, 0 <unfinished ...>
[pid  5900] setpgid(0, 0 <unfinished ...>
[pid  5899] close(28 <unfinished ...>
[pid  5901] <... setpgid resumed>)      = 0
[pid  5900] <... setpgid resumed>)      = 0
[pid  5899] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] close(3 <unfinished ...>
[pid  5901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5899] close(29 <unfinished ...>
[pid  5855] mkdir("./7", 0777 <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5899] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5899] exit_group(0 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] rmdir("./5" <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5901] <... openat resumed>)       = 3
[pid  5900] <... openat resumed>)       = 3
[pid  5899] <... exit_group resumed>)   = ?
[pid  5854] <... rmdir resumed>)        = 0
./strace-static-x86_64: Process 5902 attached
[pid  5900] write(3, "1000", 4 <unfinished ...>
[pid  5899] +++ exited with 0 +++
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 9
[pid  5902] set_robust_list(0x555562c7b660, 24) = 0
[pid  5901] write(3, "1000", 4 <unfinished ...>
[pid  5900] <... write resumed>)        = 4
[pid  5854] mkdir("./6", 0777 <unfinished ...>
[pid  5902] chdir("./7" <unfinished ...>
[pid  5901] <... write resumed>)        = 4
[pid  5900] close(3 <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] <... mkdir resumed>)        = 0
[pid  5901] close(3 <unfinished ...>
[pid  5900] <... close resumed>)        = 0
[pid  5902] <... chdir resumed>)        = 0
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5902] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5901] <... close resumed>)        = 0
[pid  5900] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5902] <... prctl resumed>)        = 0
[pid  5901] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5900] <... symlink resumed>)      = 0
./strace-static-x86_64: Process 5903 attached
[pid  5902] setpgid(0, 0 <unfinished ...>
[pid  5901] <... symlink resumed>)      = 0
[pid  5900] write(1, "executing program\n", 18executing program
) = 18
[pid  5900] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program
 <unfinished ...>
[pid  5903] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5902] <... setpgid resumed>)      = 0
[pid  5901] write(1, "executing program\n", 18 <unfinished ...>
[pid  5900] <... bpf resumed>)          = 3
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 8
[pid  5903] <... set_robust_list resumed>) = 0
[pid  5902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5901] <... write resumed>)        = 18
[pid  5900] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5903] chdir("./6" <unfinished ...>
[pid  5902] <... openat resumed>)       = 3
[pid  5901] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5900] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5903] <... chdir resumed>)        = 0
[pid  5902] write(3, "1000", 4 <unfinished ...>
[pid  5901] <... bpf resumed>)          = 3
[pid  5900] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5903] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5902] <... write resumed>)        = 4
[pid  5901] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5900] <... bpf resumed>)          = 4
[pid  5856] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5903] <... prctl resumed>)        = 0
[pid  5902] close(3 <unfinished ...>
[pid  5901] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5903] setpgid(0, 0 <unfinished ...>
[pid  5902] <... close resumed>)        = 0
[pid  5901] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5900] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5903] <... setpgid resumed>)      = 0
[pid  5902] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5902] <... symlink resumed>)      = 0
[pid  5901] <... bpf resumed>)          = 4
[pid  5900] <... bpf resumed>)          = 5
[pid  5856] <... openat resumed>)       = 3
[pid  5900] close(3 <unfinished ...>
[pid  5903] <... openat resumed>)       = 3
executing program
[pid  5902] write(1, "executing program\n", 18 <unfinished ...>
[pid  5901] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5902] <... write resumed>)        = 18
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5902] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5903] write(3, "1000", 4 <unfinished ...>
[pid  5902] <... bpf resumed>)          = 3
[pid  5901] <... bpf resumed>)          = 5
[pid  5900] <... close resumed>)        = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5903] <... write resumed>)        = 4
[pid  5902] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5901] close(3 <unfinished ...>
[pid  5900] close(4 <unfinished ...>
[pid  5856] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5903] close(3 <unfinished ...>
[pid  5902] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5901] <... close resumed>)        = 0
[pid  5900] <... close resumed>)        = 0
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5903] <... close resumed>)        = 0
[pid  5902] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5901] close(4 <unfinished ...>
[pid  5900] close(5 <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./6/binderfs",  <unfinished ...>
[pid  5903] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5901] <... close resumed>)        = 0
[pid  5903] <... symlink resumed>)      = 0
executing program
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5903] write(1, "executing program\n", 18 <unfinished ...>
[pid  5901] close(5 <unfinished ...>
[pid  5900] <... close resumed>)        = 0
[pid  5856] unlink("./6/binderfs" <unfinished ...>
[pid  5903] <... write resumed>)        = 18
[pid  5901] <... close resumed>)        = 0
[pid  5903] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5902] <... bpf resumed>)          = 4
[pid  5903] <... bpf resumed>)          = 3
[pid  5901] close(6 <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5903] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5902] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5900] close(6 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5900] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5900] close(7 <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5900] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... close resumed>)        = 0
[pid  5900] close(8 <unfinished ...>
[pid  5903] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5901] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5903] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5902] <... bpf resumed>)          = 5
[pid  5901] close(7 <unfinished ...>
[pid  5900] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] rmdir("./6" <unfinished ...>
[pid  5903] <... bpf resumed>)          = 4
[pid  5901] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5901] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  5903] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5901] close(9 <unfinished ...>
[pid  5903] <... bpf resumed>)          = 5
[pid  5902] close(3 <unfinished ...>
[pid  5901] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5900] close(9 <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5900] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] mkdir("./7", 0777 <unfinished ...>
[pid  5900] close(10 <unfinished ...>
[pid  5902] <... close resumed>)        = 0
[pid  5900] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5903] close(3 <unfinished ...>
[pid  5901] close(10 <unfinished ...>
[pid  5903] <... close resumed>)        = 0
[pid  5902] close(4 <unfinished ...>
[pid  5901] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5900] close(11 <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5903] close(4 <unfinished ...>
[pid  5902] <... close resumed>)        = 0
[pid  5901] close(11 <unfinished ...>
[pid  5900] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5903] <... close resumed>)        = 0
[pid  5901] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5900] close(12 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5903] close(5 <unfinished ...>
[pid  5902] close(5 <unfinished ...>
[pid  5901] close(12 <unfinished ...>
[pid  5900] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5903] <... close resumed>)        = 0
[pid  5901] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5901] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  5901] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  5901] close(15./strace-static-x86_64: Process 5904 attached
)                   = -1 EBADF (Bad file descriptor)
[pid  5901] close(16 <unfinished ...>
[pid  5903] close(6 <unfinished ...>
[pid  5901] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5903] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5901] close(17 <unfinished ...>
[pid  5903] close(7 <unfinished ...>
[pid  5902] <... close resumed>)        = 0
[pid  5901] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5900] close(13 <unfinished ...>
[pid  5903] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5901] close(18 <unfinished ...>
[pid  5903] close(8 <unfinished ...>
[pid  5901] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5900] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5904] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5902] close(6 <unfinished ...>
[pid  5904] <... set_robust_list resumed>) = 0
[pid  5903] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5902] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5901] close(19 <unfinished ...>
[pid  5900] close(14 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 9
[pid  5904] chdir("./7" <unfinished ...>
[pid  5903] close(9 <unfinished ...>
[pid  5902] close(7 <unfinished ...>
[pid  5901] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5900] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5904] <... chdir resumed>)        = 0
[pid  5903] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5902] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5901] close(20 <unfinished ...>
[pid  5900] close(15 <unfinished ...>
[pid  5904] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5903] close(10 <unfinished ...>
[pid  5902] close(8 <unfinished ...>
[pid  5901] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5900] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5904] <... prctl resumed>)        = 0
[pid  5903] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5902] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5901] close(21 <unfinished ...>
[pid  5900] close(16 <unfinished ...>
[pid  5904] setpgid(0, 0 <unfinished ...>
[pid  5903] close(11 <unfinished ...>
[pid  5902] close(9 <unfinished ...>
[pid  5900] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5904] <... setpgid resumed>)      = 0
[pid  5902] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5901] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5900] close(17 <unfinished ...>
[pid  5904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5903] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5902] close(10 <unfinished ...>
[pid  5901] close(22 <unfinished ...>
[pid  5900] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5903] close(12 <unfinished ...>
[pid  5902] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5901] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5900] close(18 <unfinished ...>
[pid  5904] <... openat resumed>)       = 3
[pid  5903] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5902] close(11 <unfinished ...>
[pid  5901] close(23 <unfinished ...>
[pid  5900] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5903] close(13 <unfinished ...>
[pid  5902] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5901] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5900] close(19 <unfinished ...>
[pid  5904] write(3, "1000", 4 <unfinished ...>
[pid  5902] close(12 <unfinished ...>
[pid  5900] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5904] <... write resumed>)        = 4
[pid  5903] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5902] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5901] close(24 <unfinished ...>
[pid  5900] close(20 <unfinished ...>
[pid  5904] close(3 <unfinished ...>
[pid  5903] close(14 <unfinished ...>
[pid  5902] close(13 <unfinished ...>
[pid  5901] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5900] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5904] <... close resumed>)        = 0
[pid  5903] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5902] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5901] close(25 <unfinished ...>
[pid  5900] close(21 <unfinished ...>
[pid  5904] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5903] close(15 <unfinished ...>
[pid  5902] close(14 <unfinished ...>
[pid  5901] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5900] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5904] <... symlink resumed>)      = 0
[pid  5902] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5900] close(22 <unfinished ...>
[pid  5903] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5901] close(26 <unfinished ...>
[pid  5900] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5903] close(16 <unfinished ...>
[pid  5902] close(15executing program
 <unfinished ...>
[pid  5901] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5900] close(23 <unfinished ...>
[pid  5904] write(1, "executing program\n", 18 <unfinished ...>
[pid  5902] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5900] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5904] <... write resumed>)        = 18
[pid  5903] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5902] close(16 <unfinished ...>
[pid  5901] close(27 <unfinished ...>
[pid  5900] close(24 <unfinished ...>
[pid  5904] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5903] close(17 <unfinished ...>
[pid  5902] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5901] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5900] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5904] <... bpf resumed>)          = 3
[pid  5903] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5902] close(17 <unfinished ...>
[pid  5901] close(28 <unfinished ...>
[pid  5900] close(25 <unfinished ...>
[pid  5904] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5903] close(18 <unfinished ...>
[pid  5902] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5900] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5904] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5903] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5902] close(18 <unfinished ...>
[pid  5901] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5900] close(26 <unfinished ...>
[pid  5904] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5902] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5900] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5904] <... bpf resumed>)          = 4
[pid  5903] close(19 <unfinished ...>
[pid  5902] close(19 <unfinished ...>
[pid  5901] close(29 <unfinished ...>
[pid  5900] close(27 <unfinished ...>
[pid  5904] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5903] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5902] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5901] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5904] <... bpf resumed>)          = 5
[pid  5903] close(20 <unfinished ...>
[pid  5902] close(20 <unfinished ...>
[pid  5901] exit_group(0 <unfinished ...>
[pid  5900] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5904] close(3 <unfinished ...>
[pid  5903] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5902] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5901] <... exit_group resumed>)   = ?
[pid  5904] <... close resumed>)        = 0
[pid  5902] close(21 <unfinished ...>
[pid  5900] close(28 <unfinished ...>
[pid  5904] close(4 <unfinished ...>
[pid  5902] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5900] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5904] <... close resumed>)        = 0
[pid  5902] close(22 <unfinished ...>
[pid  5900] close(29 <unfinished ...>
[pid  5904] close(5 <unfinished ...>
[pid  5902] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5900] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5902] close(23 <unfinished ...>
[pid  5900] exit_group(0 <unfinished ...>
[pid  5904] <... close resumed>)        = 0
[pid  5903] close(21 <unfinished ...>
[pid  5902] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5901] +++ exited with 0 +++
[pid  5903] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5902] close(24 <unfinished ...>
[pid  5900] <... exit_group resumed>)   = ?
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5904] close(6 <unfinished ...>
[pid  5903] close(22 <unfinished ...>
[pid  5902] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5904] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5903] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5902] close(25 <unfinished ...>
[pid  5900] +++ exited with 0 +++
[pid  5904] close(7 <unfinished ...>
[pid  5903] close(23 <unfinished ...>
[pid  5902] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5904] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5903] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5902] close(26 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5904] close(8 <unfinished ...>
[pid  5903] close(24 <unfinished ...>
[pid  5902] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5904] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5903] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5902] close(27 <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5904] close(9 <unfinished ...>
[pid  5903] close(25 <unfinished ...>
[pid  5902] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5904] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5903] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5904] close(10 <unfinished ...>
[pid  5903] close(26 <unfinished ...>
[pid  5902] close(28 <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5904] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5903] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5902] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5904] close(11 <unfinished ...>
[pid  5902] close(29 <unfinished ...>
[pid  5904] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5903] close(27 <unfinished ...>
[pid  5902] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5903] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5902] exit_group(0 <unfinished ...>
[pid  5904] close(12 <unfinished ...>
[pid  5902] <... exit_group resumed>)   = ?
[pid  5904] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5903] close(28 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5904] close(13 <unfinished ...>
[pid  5903] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5904] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5903] close(29 <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5904] close(14 <unfinished ...>
[pid  5902] +++ exited with 0 +++
[pid  5904] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5903] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] newfstatat(AT_FDCWD, "./7/binderfs",  <unfinished ...>
[pid  5904] close(15 <unfinished ...>
[pid  5903] exit_group(0 <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5904] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5903] <... exit_group resumed>)   = ?
[pid  5853] unlink("./7/binderfs" <unfinished ...>
[pid  5904] close(16 <unfinished ...>
[pid  5903] +++ exited with 0 +++
[pid  5853] <... unlink resumed>)       = 0
[pid  5904] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5904] close(17 <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5904] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5904] close(18 <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5904] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5904] close(19 <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5855] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5904] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5855] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5904] close(20 <unfinished ...>
[pid  5853] rmdir("./7" <unfinished ...>
[pid  5904] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... openat resumed>)       = 3
[pid  5853] <... rmdir resumed>)        = 0
[pid  5904] close(21 <unfinished ...>
[pid  5857] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5853] mkdir("./8", 0777 <unfinished ...>
[pid  5904] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5904] close(22 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5904] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5904] close(23 <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5904] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5855] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
./strace-static-x86_64: Process 5905 attached
[pid  5904] close(24 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5904] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5904] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  5904] close(26 <unfinished ...>
[pid  5905] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] newfstatat(AT_FDCWD, "./7/binderfs",  <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5905] <... set_robust_list resumed>) = 0
[pid  5904] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 10
[pid  5904] close(27 <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5905] chdir("./8" <unfinished ...>
[pid  5904] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] unlink("./7/binderfs" <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5904] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  5855] <... unlink resumed>)       = 0
[pid  5905] <... chdir resumed>)        = 0
[pid  5904] close(29 <unfinished ...>
[pid  5857] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5905] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5904] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5905] <... prctl resumed>)        = 0
[pid  5904] exit_group(0 <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./7/binderfs",  <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5904] <... exit_group resumed>)   = ?
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5905] setpgid(0, 0 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... close resumed>)        = 0
[pid  5854] newfstatat(AT_FDCWD, "./6/binderfs",  <unfinished ...>
[pid  5905] <... setpgid resumed>)      = 0
[pid  5904] +++ exited with 0 +++
[pid  5857] unlink("./7/binderfs" <unfinished ...>
[pid  5855] rmdir("./7" <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] unlink("./6/binderfs" <unfinished ...>
[pid  5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5855] mkdir("./8", 0777 <unfinished ...>
[pid  5905] <... openat resumed>)       = 3
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5905] write(3, "1000", 4 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5905] <... write resumed>)        = 4
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5905] close(3 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5905] <... close resumed>)        = 0
[pid  5905] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5906 attached
 <unfinished ...>
[pid  5857] rmdir("./7" <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5906] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5856] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 10
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... close resumed>)        = 0
[pid  5856] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5906] <... set_robust_list resumed>) = 0
[pid  5854] rmdir("./6" <unfinished ...>
[pid  5906] chdir("./8" <unfinished ...>
[pid  5905] <... symlink resumed>)      = 0
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] <... openat resumed>)       = 3
[pid  5854] <... rmdir resumed>)        = 0
executing program
[pid  5906] <... chdir resumed>)        = 0
[pid  5905] write(1, "executing program\n", 18 <unfinished ...>
[pid  5857] mkdir("./8", 0777 <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5854] mkdir("./7", 0777 <unfinished ...>
[pid  5906] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5905] <... write resumed>)        = 18
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  5906] <... prctl resumed>)        = 0
[pid  5905] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5906] setpgid(0, 0 <unfinished ...>
[pid  5905] <... bpf resumed>)          = 3
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5905] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5906] <... setpgid resumed>)      = 0
./strace-static-x86_64: Process 5907 attached
[pid  5905] <... bpf resumed>)          = -1 EFAULT (Bad address)
./strace-static-x86_64: Process 5908 attached
[pid  5907] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5856] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5908] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 9
[pid  5908] <... set_robust_list resumed>) = 0
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5908] chdir("./8" <unfinished ...>
[pid  5907] <... set_robust_list resumed>) = 0
[pid  5905] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 10
[pid  5908] <... chdir resumed>)        = 0
[pid  5907] chdir("./7" <unfinished ...>
[pid  5906] <... openat resumed>)       = 3
[pid  5905] <... bpf resumed>)          = 4
[pid  5856] newfstatat(AT_FDCWD, "./7/binderfs",  <unfinished ...>
[pid  5908] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5906] write(3, "1000", 4 <unfinished ...>
[pid  5908] <... prctl resumed>)        = 0
[pid  5906] <... write resumed>)        = 4
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5906] close(3 <unfinished ...>
[pid  5908] setpgid(0, 0 <unfinished ...>
[pid  5856] unlink("./7/binderfs" <unfinished ...>
[pid  5908] <... setpgid resumed>)      = 0
[pid  5906] <... close resumed>)        = 0
[pid  5907] <... chdir resumed>)        = 0
[pid  5905] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5907] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5906] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5905] <... bpf resumed>)          = 5
[pid  5908] <... openat resumed>)       = 3
[pid  5907] <... prctl resumed>)        = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5908] write(3, "1000", 4 <unfinished ...>
[pid  5907] setpgid(0, 0 <unfinished ...>
[pid  5906] <... symlink resumed>)      = 0
[pid  5905] close(3 <unfinished ...>
[pid  5908] <... write resumed>)        = 4
[pid  5907] <... setpgid resumed>)      = 0
[pid  5906] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5905] <... close resumed>)        = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5908] close(3 <unfinished ...>
[pid  5907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5906] <... write resumed>)        = 18
[pid  5908] <... close resumed>)        = 0
[pid  5856] close(3 <unfinished ...>
[pid  5908] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5907] <... openat resumed>)       = 3
[pid  5906] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5905] close(4 <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5908] <... symlink resumed>)      = 0
[pid  5907] write(3, "1000", 4 <unfinished ...>
[pid  5905] <... close resumed>)        = 0
[pid  5908] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5907] <... write resumed>)        = 4
[pid  5906] <... bpf resumed>)          = 3
[pid  5905] close(5 <unfinished ...>
[pid  5856] rmdir("./7" <unfinished ...>
[pid  5908] <... write resumed>)        = 18
[pid  5907] close(3 <unfinished ...>
[pid  5906] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5905] <... close resumed>)        = 0
[pid  5908] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5907] <... close resumed>)        = 0
[pid  5906] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5856] <... rmdir resumed>)        = 0
[pid  5908] <... bpf resumed>)          = 3
[pid  5906] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
executing program
[pid  5908] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5856] mkdir("./8", 0777 <unfinished ...>
[pid  5907] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5905] close(6 <unfinished ...>
[pid  5908] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5907] <... symlink resumed>)      = 0
[pid  5905] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5907] write(1, "executing program\n", 18 <unfinished ...>
[pid  5906] <... bpf resumed>)          = 4
[pid  5905] close(7 <unfinished ...>
[pid  5908] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5907] <... write resumed>)        = 18
[pid  5905] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... mkdir resumed>)        = 0
[pid  5907] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5906] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5905] close(8 <unfinished ...>
[pid  5908] <... bpf resumed>)          = 4
[pid  5907] <... bpf resumed>)          = 3
[pid  5905] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5907] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5905] close(9 <unfinished ...>
[pid  5907] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5906] <... bpf resumed>)          = 5
[pid  5905] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5907] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5905] close(10./strace-static-x86_64: Process 5909 attached
 <unfinished ...>
[pid  5908] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5907] <... bpf resumed>)          = 4
[pid  5906] close(3 <unfinished ...>
[pid  5905] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5909] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5905] close(11 <unfinished ...>
[pid  5909] <... set_robust_list resumed>) = 0
[pid  5907] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5905] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5909] chdir("./8" <unfinished ...>
[pid  5908] <... bpf resumed>)          = 5
[pid  5907] <... bpf resumed>)          = 5
[pid  5906] <... close resumed>)        = 0
[pid  5905] close(12 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 10
[pid  5908] close(3 <unfinished ...>
[pid  5906] close(4 <unfinished ...>
[pid  5905] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5909] <... chdir resumed>)        = 0
[pid  5908] <... close resumed>)        = 0
[pid  5907] close(3 <unfinished ...>
[pid  5906] <... close resumed>)        = 0
[pid  5905] close(13 <unfinished ...>
[pid  5909] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5908] close(4 <unfinished ...>
[pid  5907] <... close resumed>)        = 0
[pid  5906] close(5 <unfinished ...>
[pid  5905] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5909] <... prctl resumed>)        = 0
[pid  5908] <... close resumed>)        = 0
[pid  5907] close(4 <unfinished ...>
[pid  5906] <... close resumed>)        = 0
[pid  5905] close(14 <unfinished ...>
[pid  5909] setpgid(0, 0 <unfinished ...>
[pid  5908] close(5 <unfinished ...>
[pid  5907] <... close resumed>)        = 0
[pid  5906] close(6 <unfinished ...>
[pid  5905] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5909] <... setpgid resumed>)      = 0
[pid  5907] close(5 <unfinished ...>
[pid  5906] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5905] close(15 <unfinished ...>
[pid  5909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5908] <... close resumed>)        = 0
[pid  5907] <... close resumed>)        = 0
[pid  5906] close(7 <unfinished ...>
[pid  5905] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5909] <... openat resumed>)       = 3
[pid  5908] close(6 <unfinished ...>
[pid  5906] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5908] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5906] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  5908] close(7 <unfinished ...>
[pid  5906] close(9 <unfinished ...>
[pid  5908] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5906] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5909] write(3, "1000", 4 <unfinished ...>
[pid  5907] close(6 <unfinished ...>
[pid  5905] close(16 <unfinished ...>
[pid  5909] <... write resumed>)        = 4
[pid  5907] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5905] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5909] close(3 <unfinished ...>
[pid  5908] close(8 <unfinished ...>
[pid  5907] close(7 <unfinished ...>
[pid  5906] close(10 <unfinished ...>
[pid  5905] close(17 <unfinished ...>
[pid  5909] <... close resumed>)        = 0
[pid  5908] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5907] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5906] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5905] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5909] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5908] close(9 <unfinished ...>
[pid  5907] close(8 <unfinished ...>
[pid  5906] close(11 <unfinished ...>
[pid  5905] close(18 <unfinished ...>
[pid  5909] <... symlink resumed>)      = 0
[pid  5908] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5907] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5906] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5905] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  5909] write(1, "executing program\n", 18 <unfinished ...>
[pid  5908] close(10 <unfinished ...>
[pid  5907] close(9 <unfinished ...>
[pid  5906] close(12 <unfinished ...>
[pid  5905] close(19 <unfinished ...>
[pid  5909] <... write resumed>)        = 18
[pid  5908] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5907] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5906] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5905] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5909] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5908] close(11 <unfinished ...>
[pid  5907] close(10 <unfinished ...>
[pid  5906] close(13 <unfinished ...>
[pid  5905] close(20 <unfinished ...>
[pid  5909] <... bpf resumed>)          = 3
[pid  5908] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5907] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5906] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5905] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5909] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5908] close(12 <unfinished ...>
[pid  5907] close(11 <unfinished ...>
[pid  5906] close(14 <unfinished ...>
[pid  5905] close(21 <unfinished ...>
[pid  5909] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5908] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5907] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5906] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5905] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5909] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5908] close(13 <unfinished ...>
[pid  5907] close(12 <unfinished ...>
[pid  5906] close(15 <unfinished ...>
[pid  5905] close(22 <unfinished ...>
[pid  5909] <... bpf resumed>)          = 4
[pid  5908] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5907] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5906] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5905] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5908] close(14 <unfinished ...>
[pid  5906] close(16 <unfinished ...>
[pid  5908] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5906] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5908] close(15 <unfinished ...>
[pid  5906] close(17 <unfinished ...>
[pid  5908] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5906] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5909] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5908] close(16 <unfinished ...>
[pid  5907] close(13 <unfinished ...>
[pid  5906] close(18 <unfinished ...>
[pid  5905] close(23 <unfinished ...>
[pid  5909] <... bpf resumed>)          = 5
[pid  5908] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5907] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5906] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5905] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5908] close(17 <unfinished ...>
[pid  5907] close(14 <unfinished ...>
[pid  5906] close(19 <unfinished ...>
[pid  5905] close(24 <unfinished ...>
[pid  5909] close(3 <unfinished ...>
[pid  5908] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5907] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5906] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5905] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5909] <... close resumed>)        = 0
[pid  5907] close(15 <unfinished ...>
[pid  5905] close(25 <unfinished ...>
[pid  5909] close(4 <unfinished ...>
[pid  5907] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5905] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5908] close(18 <unfinished ...>
[pid  5906] close(20 <unfinished ...>
[pid  5909] <... close resumed>)        = 0
[pid  5907] close(16 <unfinished ...>
[pid  5906] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5905] close(26 <unfinished ...>
[pid  5909] close(5 <unfinished ...>
[pid  5908] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5907] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5906] close(21 <unfinished ...>
[pid  5905] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5909] <... close resumed>)        = 0
[pid  5908] close(19 <unfinished ...>
[pid  5907] close(17 <unfinished ...>
[pid  5906] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5905] close(27 <unfinished ...>
[pid  5908] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5906] close(22 <unfinished ...>
[pid  5905] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5908] close(20 <unfinished ...>
[pid  5907] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5906] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5905] close(28 <unfinished ...>
[pid  5909] close(6 <unfinished ...>
[pid  5908] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5907] close(18 <unfinished ...>
[pid  5906] close(23 <unfinished ...>
[pid  5905] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5909] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5908] close(21 <unfinished ...>
[pid  5907] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5906] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5905] close(29 <unfinished ...>
[pid  5909] close(7 <unfinished ...>
[pid  5908] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5907] close(19 <unfinished ...>
[pid  5906] close(24 <unfinished ...>
[pid  5905] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5909] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5908] close(22 <unfinished ...>
[pid  5907] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5906] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5905] exit_group(0 <unfinished ...>
[pid  5909] close(8 <unfinished ...>
[pid  5908] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5907] close(20 <unfinished ...>
[pid  5906] close(25 <unfinished ...>
[pid  5905] <... exit_group resumed>)   = ?
[pid  5909] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5908] close(23 <unfinished ...>
[pid  5907] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5906] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5905] +++ exited with 0 +++
[pid  5909] close(9 <unfinished ...>
[pid  5908] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5907] close(21 <unfinished ...>
[pid  5906] close(26 <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5909] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5908] close(24 <unfinished ...>
[pid  5907] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5906] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5909] close(10 <unfinished ...>
[pid  5908] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5907] close(22 <unfinished ...>
[pid  5906] close(27 <unfinished ...>
[pid  5909] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5908] close(25 <unfinished ...>
[pid  5907] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5906] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5909] close(11 <unfinished ...>
[pid  5908] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5907] close(23 <unfinished ...>
[pid  5906] close(28 <unfinished ...>
[pid  5909] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5908] close(26 <unfinished ...>
[pid  5907] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5906] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5909] close(12 <unfinished ...>
[pid  5908] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5907] close(24 <unfinished ...>
[pid  5906] close(29 <unfinished ...>
[pid  5909] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5908] close(27 <unfinished ...>
[pid  5907] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5909] close(13 <unfinished ...>
[pid  5907] close(25 <unfinished ...>
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5909] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5907] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5909] close(14 <unfinished ...>
[pid  5908] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5907] close(26 <unfinished ...>
[pid  5906] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5909] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5908] close(28 <unfinished ...>
[pid  5907] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5909] close(15 <unfinished ...>
[pid  5908] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5907] close(27 <unfinished ...>
[pid  5906] exit_group(0 <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5909] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5908] close(29 <unfinished ...>
[pid  5907] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5906] <... exit_group resumed>)   = ?
[pid  5853] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5909] close(16 <unfinished ...>
[pid  5908] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5907] close(28 <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5909] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5907] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5909] close(17 <unfinished ...>
[pid  5908] exit_group(0 <unfinished ...>
[pid  5909] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5908] <... exit_group resumed>)   = ?
[pid  5907] close(29 <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5909] close(18 <unfinished ...>
[pid  5907] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5909] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5907] exit_group(0 <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5909] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  5907] <... exit_group resumed>)   = ?
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5909] close(20 <unfinished ...>
[pid  5908] +++ exited with 0 +++
[pid  5907] +++ exited with 0 +++
[pid  5906] +++ exited with 0 +++
[pid  5909] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5909] close(21 <unfinished ...>
[pid  5853] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5909] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5909] close(22 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] newfstatat(AT_FDCWD, "./8/binderfs",  <unfinished ...>
[pid  5909] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5909] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  5909] close(24 <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5853] unlink("./8/binderfs" <unfinished ...>
[pid  5909] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... unlink resumed>)       = 0
[pid  5909] close(25 <unfinished ...>
[pid  5855] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5909] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5909] close(26 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5909] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5909] close(27 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5909] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] <... openat resumed>)       = 3
[pid  5909] close(28 <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5909] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... close resumed>)        = 0
[pid  5909] close(29 <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] rmdir("./8" <unfinished ...>
[pid  5909] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5909] exit_group(0 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  5909] <... exit_group resumed>)   = ?
[pid  5857] <... openat resumed>)       = 3
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5855] newfstatat(AT_FDCWD, "./8/binderfs",  <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] mkdir("./9", 0777 <unfinished ...>
[pid  5855] unlink("./8/binderfs" <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] newfstatat(AT_FDCWD, "./7/binderfs",  <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5857] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5854] unlink("./7/binderfs" <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... close resumed>)        = 0
[pid  5909] +++ exited with 0 +++
[pid  5855] rmdir("./8" <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
./strace-static-x86_64: Process 5910 attached
[pid  5857] newfstatat(AT_FDCWD, "./8/binderfs",  <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5855] mkdir("./9", 0777 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 11
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5911 attached
 <unfinished ...>
[pid  5910] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] unlink("./8/binderfs" <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5910] <... set_robust_list resumed>) = 0
[pid  5854] close(3 <unfinished ...>
[pid  5911] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 11
[pid  5854] <... close resumed>)        = 0
[pid  5911] <... set_robust_list resumed>) = 0
[pid  5910] chdir("./9" <unfinished ...>
[pid  5854] rmdir("./7" <unfinished ...>
[pid  5911] chdir("./9" <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5911] <... chdir resumed>)        = 0
[pid  5910] <... chdir resumed>)        = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5854] <... rmdir resumed>)        = 0
[pid  5911] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5910] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] mkdir("./8", 0777 <unfinished ...>
[pid  5911] <... prctl resumed>)        = 0
[pid  5910] <... prctl resumed>)        = 0
[pid  5857] close(3 <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5911] setpgid(0, 0 <unfinished ...>
[pid  5910] setpgid(0, 0 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5911] <... setpgid resumed>)      = 0
[pid  5910] <... setpgid resumed>)      = 0
[pid  5857] rmdir("./8" <unfinished ...>
[pid  5856] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 5912 attached
[pid  5911] <... openat resumed>)       = 3
[pid  5857] mkdir("./9", 0777 <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5912] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5910] <... openat resumed>)       = 3
[pid  5912] <... set_robust_list resumed>) = 0
[pid  5910] write(3, "1000", 4 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] <... openat resumed>)       = 3
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 10
[pid  5912] chdir("./8" <unfinished ...>
[pid  5911] write(3, "1000", 4 <unfinished ...>
[pid  5910] <... write resumed>)        = 4
[pid  5911] <... write resumed>)        = 4
[pid  5910] close(3 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5912] <... chdir resumed>)        = 0
[pid  5911] close(3 <unfinished ...>
[pid  5910] <... close resumed>)        = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5910] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5913 attached
 <unfinished ...>
[pid  5912] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5911] <... close resumed>)        = 0
[pid  5910] <... symlink resumed>)      = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5912] <... prctl resumed>)        = 0
[pid  5911] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5913] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5912] setpgid(0, 0executing program
 <unfinished ...>
[pid  5911] <... symlink resumed>)      = 0
[pid  5910] write(1, "executing program\n", 18 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 11
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5913] <... set_robust_list resumed>) = 0
executing program
[pid  5912] <... setpgid resumed>)      = 0
[pid  5911] write(1, "executing program\n", 18 <unfinished ...>
[pid  5910] <... write resumed>)        = 18
[pid  5856] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5913] chdir("./9" <unfinished ...>
[pid  5912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5911] <... write resumed>)        = 18
[pid  5910] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5912] <... openat resumed>)       = 3
[pid  5913] <... chdir resumed>)        = 0
[pid  5911] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5910] <... bpf resumed>)          = 3
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5913] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5912] write(3, "1000", 4 <unfinished ...>
[pid  5911] <... bpf resumed>)          = 3
[pid  5910] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5856] newfstatat(AT_FDCWD, "./8/binderfs",  <unfinished ...>
[pid  5913] <... prctl resumed>)        = 0
[pid  5912] <... write resumed>)        = 4
[pid  5911] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5910] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5913] setpgid(0, 0 <unfinished ...>
[pid  5912] close(3 <unfinished ...>
[pid  5911] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5910] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5856] unlink("./8/binderfs" <unfinished ...>
[pid  5913] <... setpgid resumed>)      = 0
[pid  5912] <... close resumed>)        = 0
[pid  5911] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5912] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5910] <... bpf resumed>)          = 4
[pid  5911] <... bpf resumed>)          = 4
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5913] <... openat resumed>)       = 3
[pid  5911] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5910] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5913] write(3, "1000", 4 <unfinished ...>
[pid  5912] <... symlink resumed>)      = 0
[pid  5910] <... bpf resumed>)          = 5
[pid  5856] close(3)                    = 0
[pid  5856] rmdir("./8" <unfinished ...>
[pid  5913] <... write resumed>)        = 4
[pid  5912] write(1, "executing program\n", 18 <unfinished ...>
[pid  5911] <... bpf resumed>)          = 5
[pid  5913] close(3executing program
 <unfinished ...>
[pid  5910] close(3 <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5913] <... close resumed>)        = 0
[pid  5912] <... write resumed>)        = 18
[pid  5911] close(3 <unfinished ...>
[pid  5910] <... close resumed>)        = 0
[pid  5856] mkdir("./9", 0777 <unfinished ...>
[pid  5913] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5912] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5911] <... close resumed>)        = 0
[pid  5910] close(4 <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5913] <... symlink resumed>)      = 0
[pid  5911] close(4 <unfinished ...>
[pid  5910] <... close resumed>)        = 0
[pid  5910] close(5 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
 <unfinished ...>
[pid  5913] write(1, "executing program\n", 18 <unfinished ...>
[pid  5912] <... bpf resumed>)          = 3
[pid  5911] <... close resumed>)        = 0
[pid  5910] <... close resumed>)        = 0
./strace-static-x86_64: Process 5914 attached
[pid  5913] <... write resumed>)        = 18
[pid  5912] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5911] close(5 <unfinished ...>
[pid  5914] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5913] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5910] close(6 <unfinished ...>
[pid  5914] <... set_robust_list resumed>) = 0
[pid  5913] <... bpf resumed>)          = 3
[pid  5912] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5910] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5911] <... close resumed>)        = 0
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 11
[pid  5914] chdir("./9" <unfinished ...>
[pid  5913] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5912] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5910] close(7 <unfinished ...>
[pid  5914] <... chdir resumed>)        = 0
[pid  5913] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5911] close(6 <unfinished ...>
[pid  5914] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5913] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5912] <... bpf resumed>)          = 4
[pid  5911] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5910] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5914] <... prctl resumed>)        = 0
[pid  5911] close(7 <unfinished ...>
[pid  5914] setpgid(0, 0 <unfinished ...>
[pid  5913] <... bpf resumed>)          = 4
[pid  5912] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5911] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5910] close(8 <unfinished ...>
[pid  5914] <... setpgid resumed>)      = 0
[pid  5913] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5911] close(8 <unfinished ...>
[pid  5912] <... bpf resumed>)          = 5
[pid  5910] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5913] <... bpf resumed>)          = 5
[pid  5912] close(3 <unfinished ...>
[pid  5911] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5910] close(9 <unfinished ...>
[pid  5914] <... openat resumed>)       = 3
[pid  5913] close(3 <unfinished ...>
[pid  5912] <... close resumed>)        = 0
[pid  5911] close(9 <unfinished ...>
[pid  5914] write(3, "1000", 4 <unfinished ...>
[pid  5913] <... close resumed>)        = 0
[pid  5912] close(4 <unfinished ...>
[pid  5911] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5910] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5914] <... write resumed>)        = 4
[pid  5913] close(4 <unfinished ...>
[pid  5912] <... close resumed>)        = 0
[pid  5911] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  5911] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  5910] close(10 <unfinished ...>
[pid  5914] close(3 <unfinished ...>
[pid  5913] <... close resumed>)        = 0
[pid  5912] close(5 <unfinished ...>
[pid  5911] close(12 <unfinished ...>
[pid  5914] <... close resumed>)        = 0
[pid  5913] close(5 <unfinished ...>
[pid  5911] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5910] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5911] close(13 <unfinished ...>
[pid  5914] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5911] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5910] close(11 <unfinished ...>
[pid  5912] <... close resumed>)        = 0
[pid  5911] close(14 <unfinished ...>
[pid  5910] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5911] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5911] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  5914] <... symlink resumed>)      = 0
[pid  5911] close(16 <unfinished ...>
[pid  5910] close(12 <unfinished ...>
[pid  5911] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5913] <... close resumed>)        = 0
[pid  5912] close(6 <unfinished ...>
[pid  5911] close(17 <unfinished ...>
[pid  5914] write(1, "executing program\n", 18 <unfinished ...>
[pid  5910] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5911] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5911] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  5911] close(19)                   = -1 EBADF (Bad file descriptor)
executing program
[pid  5911] close(20 <unfinished ...>
[pid  5914] <... write resumed>)        = 18
[pid  5913] close(6 <unfinished ...>
[pid  5912] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5911] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5910] close(13 <unfinished ...>
[pid  5914] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5913] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5912] close(7 <unfinished ...>
[pid  5911] close(21 <unfinished ...>
[pid  5910] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5913] close(7 <unfinished ...>
[pid  5912] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5911] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5910] close(14 <unfinished ...>
[pid  5914] <... bpf resumed>)          = 3
[pid  5913] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5912] close(8 <unfinished ...>
[pid  5910] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5913] close(8 <unfinished ...>
[pid  5912] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5910] close(15 <unfinished ...>
[pid  5914] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5913] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5912] close(9 <unfinished ...>
[pid  5910] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5913] close(9 <unfinished ...>
[pid  5912] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5911] close(22 <unfinished ...>
[pid  5910] close(16 <unfinished ...>
[pid  5913] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5912] close(10 <unfinished ...>
[pid  5911] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5910] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5913] close(10 <unfinished ...>
[pid  5912] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5911] close(23 <unfinished ...>
[pid  5910] close(17 <unfinished ...>
[pid  5914] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5912] close(11 <unfinished ...>
[pid  5911] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5910] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5914] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5913] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5912] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5911] close(24 <unfinished ...>
[pid  5910] close(18 <unfinished ...>
[pid  5912] close(12 <unfinished ...>
[pid  5911] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5913] close(11 <unfinished ...>
[pid  5912] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5911] close(25 <unfinished ...>
[pid  5910] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5913] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5912] close(13 <unfinished ...>
[pid  5911] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5910] close(19 <unfinished ...>
[pid  5913] close(12 <unfinished ...>
[pid  5912] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5911] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  5913] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5912] close(14 <unfinished ...>
[pid  5911] close(27 <unfinished ...>
[pid  5910] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5914] <... bpf resumed>)          = 4
[pid  5913] close(13 <unfinished ...>
[pid  5912] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5911] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5910] close(20 <unfinished ...>
[pid  5911] close(28 <unfinished ...>
[pid  5913] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5911] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5911] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  5914] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5913] close(14 <unfinished ...>
[pid  5912] close(15 <unfinished ...>
[pid  5911] exit_group(0 <unfinished ...>
[pid  5910] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5913] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5912] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5911] <... exit_group resumed>)   = ?
[pid  5910] close(21 <unfinished ...>
[pid  5914] <... bpf resumed>)          = 5
[pid  5913] close(15 <unfinished ...>
[pid  5912] close(16 <unfinished ...>
[pid  5911] +++ exited with 0 +++
[pid  5910] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5912] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5910] close(22 <unfinished ...>
[pid  5913] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5910] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5913] close(16 <unfinished ...>
[pid  5912] close(17 <unfinished ...>
[pid  5910] close(23 <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5914] close(3 <unfinished ...>
[pid  5913] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5912] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5910] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5914] <... close resumed>)        = 0
[pid  5913] close(17 <unfinished ...>
[pid  5912] close(18 <unfinished ...>
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5914] close(4 <unfinished ...>
[pid  5913] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5912] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5910] close(24 <unfinished ...>
[pid  5914] <... close resumed>)        = 0
[pid  5913] close(18 <unfinished ...>
[pid  5912] close(19 <unfinished ...>
[pid  5910] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5914] close(5 <unfinished ...>
[pid  5913] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5912] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5910] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  5855] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5912] close(20 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5913] close(19 <unfinished ...>
[pid  5912] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5910] close(26 <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5914] <... close resumed>)        = 0
[pid  5913] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5912] close(21 <unfinished ...>
[pid  5910] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... openat resumed>)       = 3
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5914] close(6 <unfinished ...>
[pid  5913] close(20 <unfinished ...>
[pid  5912] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5910] close(27 <unfinished ...>
[pid  5913] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5912] close(22 <unfinished ...>
[pid  5910] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5913] close(21 <unfinished ...>
[pid  5912] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5910] close(28 <unfinished ...>
[pid  5912] close(23 <unfinished ...>
[pid  5910] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5913] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5912] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5910] close(29 <unfinished ...>
[pid  5913] close(22 <unfinished ...>
[pid  5912] close(24 <unfinished ...>
[pid  5910] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5913] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5912] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5914] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5912] close(25 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5914] close(7 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5914] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5910] exit_group(0 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5914] close(8 <unfinished ...>
[pid  5913] close(23 <unfinished ...>
[pid  5912] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5910] <... exit_group resumed>)   = ?
[pid  5855] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5914] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5913] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5912] close(26 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5914] close(9 <unfinished ...>
[pid  5913] close(24 <unfinished ...>
[pid  5912] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] newfstatat(AT_FDCWD, "./9/binderfs",  <unfinished ...>
[pid  5914] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5912] close(27 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5914] close(10 <unfinished ...>
[pid  5913] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5912] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] unlink("./9/binderfs" <unfinished ...>
[pid  5914] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5913] close(25 <unfinished ...>
[pid  5912] close(28 <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5914] close(11 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5914] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5914] close(12 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5914] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... close resumed>)        = 0
[pid  5914] close(13 <unfinished ...>
[pid  5910] +++ exited with 0 +++
[pid  5855] rmdir("./9" <unfinished ...>
[pid  5914] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5913] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5912] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... rmdir resumed>)        = 0
[pid  5914] close(14 <unfinished ...>
[pid  5913] close(26 <unfinished ...>
[pid  5912] close(29 <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5914] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5913] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5912] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] mkdir("./10", 0777 <unfinished ...>
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5914] close(15 <unfinished ...>
[pid  5913] close(27 <unfinished ...>
[pid  5912] exit_group(0 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5914] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5914] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  5914] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5914] close(18 <unfinished ...>
[pid  5913] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5912] <... exit_group resumed>)   = ?
./strace-static-x86_64: Process 5915 attached
[pid  5914] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5913] close(28 <unfinished ...>
[pid  5914] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  5914] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  5914] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  5914] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  5914] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  5914] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 12
[pid  5914] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  5914] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  5912] +++ exited with 0 +++
[pid  5914] close(27 <unfinished ...>
[pid  5913] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5915] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5914] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5913] close(29 <unfinished ...>
[pid  5915] <... set_robust_list resumed>) = 0
[pid  5914] close(28 <unfinished ...>
[pid  5913] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5914] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5914] close(29 <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5915] chdir("./10" <unfinished ...>
[pid  5914] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5914] exit_group(0 <unfinished ...>
[pid  5913] exit_group(0 <unfinished ...>
[pid  5914] <... exit_group resumed>)   = ?
[pid  5915] <... chdir resumed>)        = 0
[pid  5914] +++ exited with 0 +++
[pid  5913] <... exit_group resumed>)   = ?
[pid  5915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5913] +++ exited with 0 +++
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5915] setpgid(0, 0)               = 0
[pid  5915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5854] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5915] <... openat resumed>)       = 3
[pid  5857] <... openat resumed>)       = 3
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... openat resumed>)       = 3
[pid  5853] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5915] write(3, "1000", 4 <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5915] <... write resumed>)        = 4
[pid  5915] close(3 <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5915] <... close resumed>)        = 0
[pid  5915] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
executing program
[pid  5915] write(1, "executing program\n", 18 <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./9/binderfs",  <unfinished ...>
[pid  5856] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./8/binderfs",  <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5915] <... write resumed>)        = 18
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5915] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5915] <... bpf resumed>)          = 3
[pid  5857] unlink("./9/binderfs" <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./9/binderfs",  <unfinished ...>
[pid  5854] unlink("./8/binderfs" <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./9/binderfs",  <unfinished ...>
[pid  5915] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5857] <... unlink resumed>)       = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5915] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5915] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] unlink("./9/binderfs" <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] unlink("./9/binderfs" <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] <... close resumed>)        = 0
[pid  5854] close(3 <unfinished ...>
[pid  5857] rmdir("./9" <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5854] <... close resumed>)        = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] rmdir("./8" <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] mkdir("./10", 0777 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... rmdir resumed>)        = 0
[pid  5915] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5915] <... bpf resumed>)          = 5
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] close(3 <unfinished ...>
[pid  5854] mkdir("./9", 0777 <unfinished ...>
[pid  5915] close(3 <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5853] <... close resumed>)        = 0
[pid  5915] <... close resumed>)        = 0
[pid  5856] rmdir("./9" <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] rmdir("./9" <unfinished ...>
[pid  5915] close(4)                    = 0
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5915] close(5)                    = 0
[pid  5853] <... rmdir resumed>)        = 0
[pid  5915] close(6./strace-static-x86_64: Process 5916 attached
 <unfinished ...>
[pid  5856] mkdir("./10", 0777 <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] mkdir("./10", 0777 <unfinished ...>
[pid  5916] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5915] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 12
[pid  5915] close(7 <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
./strace-static-x86_64: Process 5917 attached
[pid  5916] <... set_robust_list resumed>) = 0
[pid  5915] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5917] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5916] chdir("./10" <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5918 attached
 <unfinished ...>
[pid  5917] <... set_robust_list resumed>) = 0
[pid  5915] close(8 <unfinished ...>
[pid  5917] chdir("./9"./strace-static-x86_64: Process 5919 attached
 <unfinished ...>
[pid  5918] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5917] <... chdir resumed>)        = 0
[pid  5916] <... chdir resumed>)        = 0
[pid  5915] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 12
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 11
[pid  5919] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5918] <... set_robust_list resumed>) = 0
[pid  5915] close(9 <unfinished ...>
[pid  5919] <... set_robust_list resumed>) = 0
[pid  5918] chdir("./10" <unfinished ...>
[pid  5917] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5916] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5915] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 12
[pid  5919] chdir("./10" <unfinished ...>
[pid  5915] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  5919] <... chdir resumed>)        = 0
[pid  5918] <... chdir resumed>)        = 0
[pid  5917] <... prctl resumed>)        = 0
[pid  5916] <... prctl resumed>)        = 0
[pid  5915] close(11 <unfinished ...>
[pid  5919] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5918] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5917] setpgid(0, 0 <unfinished ...>
[pid  5916] setpgid(0, 0 <unfinished ...>
[pid  5915] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5918] <... prctl resumed>)        = 0
[pid  5917] <... setpgid resumed>)      = 0
[pid  5916] <... setpgid resumed>)      = 0
[pid  5915] close(12 <unfinished ...>
[pid  5919] <... prctl resumed>)        = 0
[pid  5918] setpgid(0, 0 <unfinished ...>
[pid  5917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5915] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5919] setpgid(0, 0 <unfinished ...>
[pid  5918] <... setpgid resumed>)      = 0
[pid  5915] close(13 <unfinished ...>
[pid  5919] <... setpgid resumed>)      = 0
[pid  5915] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5917] <... openat resumed>)       = 3
[pid  5916] <... openat resumed>)       = 3
[pid  5915] close(14 <unfinished ...>
[pid  5919] <... openat resumed>)       = 3
[pid  5915] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5918] <... openat resumed>)       = 3
[pid  5917] write(3, "1000", 4 <unfinished ...>
[pid  5916] write(3, "1000", 4)         = 4
[pid  5915] close(15 <unfinished ...>
[pid  5919] write(3, "1000", 4 <unfinished ...>
[pid  5917] <... write resumed>)        = 4
[pid  5916] close(3 <unfinished ...>
[pid  5915] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5919] <... write resumed>)        = 4
[pid  5915] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  5919] close(3 <unfinished ...>
[pid  5915] close(17 <unfinished ...>
[pid  5919] <... close resumed>)        = 0
[pid  5915] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5919] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5915] close(18 <unfinished ...>
[pid  5919] <... symlink resumed>)      = 0
[pid  5918] write(3, "1000", 4 <unfinished ...>
[pid  5917] close(3 <unfinished ...>
[pid  5916] <... close resumed>)        = 0
[pid  5915] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5918] <... write resumed>)        = 4
executing program
[pid  5917] <... close resumed>)        = 0
[pid  5916] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5918] close(3 <unfinished ...>
[pid  5917] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5919] write(1, "executing program\n", 18 <unfinished ...>
[pid  5915] close(19 <unfinished ...>
[pid  5919] <... write resumed>)        = 18
[pid  5918] <... close resumed>)        = 0
[pid  5916] <... symlink resumed>)      = 0
[pid  5915] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5919] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5918] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5917] <... symlink resumed>)      = 0
[pid  5916] write(1, "executing program\n", 18 <unfinished ...>
[pid  5915] close(20 <unfinished ...>
[pid  5919] <... bpf resumed>)          = 3
[pid  5915] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  5919] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5918] <... symlink resumed>)      = 0
executing program
[pid  5917] write(1, "executing program\n", 18 <unfinished ...>
[pid  5916] <... write resumed>)        = 18
[pid  5915] close(21executing program
 <unfinished ...>
[pid  5919] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5918] write(1, "executing program\n", 18 <unfinished ...>
[pid  5917] <... write resumed>)        = 18
[pid  5916] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5915] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5918] <... write resumed>)        = 18
[pid  5917] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5918] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5916] <... bpf resumed>)          = 3
[pid  5917] <... bpf resumed>)          = 3
[pid  5919] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5918] <... bpf resumed>)          = 3
[pid  5917] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5916] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5915] close(22 <unfinished ...>
[pid  5919] <... bpf resumed>)          = 4
[pid  5918] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5917] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5915] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5919] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5918] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5917] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5916] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5915] close(23 <unfinished ...>
[pid  5919] <... bpf resumed>)          = 5
[pid  5918] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5916] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5915] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5919] close(3 <unfinished ...>
[pid  5918] <... bpf resumed>)          = 4
[pid  5915] close(24 <unfinished ...>
[pid  5919] <... close resumed>)        = 0
[pid  5915] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5919] close(4 <unfinished ...>
[pid  5915] close(25 <unfinished ...>
[pid  5919] <... close resumed>)        = 0
[pid  5916] <... bpf resumed>)          = 4
[pid  5915] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5919] close(5 <unfinished ...>
[pid  5915] close(26 <unfinished ...>
[pid  5919] <... close resumed>)        = 0
[pid  5918] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5917] <... bpf resumed>)          = 4
[pid  5916] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5915] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5915] close(27 <unfinished ...>
[pid  5919] close(6 <unfinished ...>
[pid  5915] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5919] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5915] close(28 <unfinished ...>
[pid  5919] close(7 <unfinished ...>
[pid  5915] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5919] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5918] <... bpf resumed>)          = 5
[pid  5915] close(29 <unfinished ...>
[pid  5919] close(8 <unfinished ...>
[pid  5915] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5919] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5918] close(3 <unfinished ...>
[pid  5917] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5916] <... bpf resumed>)          = 5
[pid  5915] exit_group(0 <unfinished ...>
[pid  5919] close(9 <unfinished ...>
[pid  5918] <... close resumed>)        = 0
[pid  5917] <... bpf resumed>)          = 5
[pid  5916] close(3 <unfinished ...>
[pid  5915] <... exit_group resumed>)   = ?
[pid  5919] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5918] close(4 <unfinished ...>
[pid  5917] close(3 <unfinished ...>
[pid  5916] <... close resumed>)        = 0
[pid  5915] +++ exited with 0 +++
[pid  5917] <... close resumed>)        = 0
[pid  5916] close(4 <unfinished ...>
[pid  5918] <... close resumed>)        = 0
[pid  5917] close(4 <unfinished ...>
[pid  5918] close(5 <unfinished ...>
[pid  5916] <... close resumed>)        = 0
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5917] <... close resumed>)        = 0
[pid  5916] close(5 <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5919] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  5919] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  5919] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  5919] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  5919] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  5919] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  5919] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  5918] <... close resumed>)        = 0
[pid  5917] close(5 <unfinished ...>
[pid  5919] close(17 <unfinished ...>
[pid  5918] close(6 <unfinished ...>
[pid  5916] <... close resumed>)        = 0
[pid  5919] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5919] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  5919] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  5918] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5917] <... close resumed>)        = 0
[pid  5916] close(6 <unfinished ...>
[pid  5919] close(20 <unfinished ...>
[pid  5918] close(7 <unfinished ...>
[pid  5916] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5919] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5918] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5919] close(21 <unfinished ...>
[pid  5917] close(6 <unfinished ...>
[pid  5918] close(8 <unfinished ...>
[pid  5916] close(7 <unfinished ...>
[pid  5919] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5918] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5917] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5916] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5919] close(22 <unfinished ...>
[pid  5918] close(9 <unfinished ...>
[pid  5917] close(7 <unfinished ...>
[pid  5916] close(8 <unfinished ...>
[pid  5919] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5918] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5916] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5917] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5919] close(23 <unfinished ...>
[pid  5918] close(10 <unfinished ...>
[pid  5917] close(8 <unfinished ...>
[pid  5916] close(9 <unfinished ...>
[pid  5919] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5918] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5916] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5917] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5919] close(24 <unfinished ...>
[pid  5918] close(11 <unfinished ...>
[pid  5916] close(10 <unfinished ...>
[pid  5919] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5918] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5917] close(9 <unfinished ...>
[pid  5916] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5919] close(25 <unfinished ...>
[pid  5918] close(12 <unfinished ...>
[pid  5917] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5916] close(11 <unfinished ...>
[pid  5918] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5917] close(10 <unfinished ...>
[pid  5916] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5918] close(13 <unfinished ...>
[pid  5917] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5916] close(12 <unfinished ...>
[pid  5918] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5917] close(11 <unfinished ...>
[pid  5916] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5919] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5918] close(14 <unfinished ...>
[pid  5919] close(26 <unfinished ...>
[pid  5917] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5916] close(13 <unfinished ...>
[pid  5919] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5918] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5916] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5919] close(27 <unfinished ...>
[pid  5918] close(15 <unfinished ...>
[pid  5917] close(12 <unfinished ...>
[pid  5916] close(14 <unfinished ...>
[pid  5919] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5918] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5917] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5916] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5919] close(28 <unfinished ...>
[pid  5918] close(16 <unfinished ...>
[pid  5917] close(13 <unfinished ...>
[pid  5916] close(15 <unfinished ...>
[pid  5919] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5918] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5917] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5919] close(29 <unfinished ...>
[pid  5918] close(17 <unfinished ...>
[pid  5917] close(14 <unfinished ...>
[pid  5916] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5919] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5918] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5917] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5916] close(16 <unfinished ...>
[pid  5855] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5919] exit_group(0 <unfinished ...>
[pid  5918] close(18 <unfinished ...>
[pid  5919] <... exit_group resumed>)   = ?
[pid  5918] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5917] close(15 <unfinished ...>
[pid  5916] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5919] +++ exited with 0 +++
[pid  5918] close(19 <unfinished ...>
[pid  5917] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5916] close(17 <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5918] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5917] close(16 <unfinished ...>
[pid  5916] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5918] close(20 <unfinished ...>
[pid  5917] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5916] close(18 <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5918] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5917] close(17 <unfinished ...>
[pid  5916] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5916] close(19 <unfinished ...>
[pid  5853] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5918] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  5917] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5916] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5918] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  5917] close(18 <unfinished ...>
[pid  5916] close(20 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5918] close(23 <unfinished ...>
[pid  5917] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5916] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5918] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5917] close(19 <unfinished ...>
[pid  5916] close(21 <unfinished ...>
[pid  5918] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  5917] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5916] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5918] close(25 <unfinished ...>
[pid  5917] close(20 <unfinished ...>
[pid  5916] close(22 <unfinished ...>
[pid  5855] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5918] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5917] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5916] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5918] close(26 <unfinished ...>
[pid  5917] close(21 <unfinished ...>
[pid  5916] close(23 <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./10/binderfs",  <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5918] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5917] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5916] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5918] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  5917] close(22 <unfinished ...>
[pid  5916] close(24 <unfinished ...>
[pid  5855] unlink("./10/binderfs" <unfinished ...>
[pid  5853] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5918] close(28 <unfinished ...>
[pid  5917] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5916] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... unlink resumed>)       = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5918] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5917] close(23 <unfinished ...>
[pid  5916] close(25 <unfinished ...>
[pid  5917] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5916] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./10/binderfs",  <unfinished ...>
[pid  5918] close(29 <unfinished ...>
[pid  5917] close(24 <unfinished ...>
[pid  5916] close(26 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5918] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5917] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5916] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5917] close(25 <unfinished ...>
[pid  5916] close(27 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5918] exit_group(0 <unfinished ...>
[pid  5853] unlink("./10/binderfs" <unfinished ...>
[pid  5918] <... exit_group resumed>)   = ?
[pid  5917] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5916] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... close resumed>)        = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  5917] close(26 <unfinished ...>
[pid  5916] close(28 <unfinished ...>
[pid  5855] rmdir("./10" <unfinished ...>
[pid  5917] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5916] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... rmdir resumed>)        = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5917] close(27 <unfinished ...>
[pid  5916] close(29 <unfinished ...>
[pid  5917] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5917] close(28 <unfinished ...>
[pid  5916] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] mkdir("./11", 0777 <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5918] +++ exited with 0 +++
[pid  5917] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5916] exit_group(0 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5853] <... close resumed>)        = 0
[pid  5917] close(29 <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5916] <... exit_group resumed>)   = ?
[pid  5853] rmdir("./10" <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5917] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5916] +++ exited with 0 +++
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
./strace-static-x86_64: Process 5920 attached
[pid  5917] exit_group(0)               = ?
[pid  5853] mkdir("./11", 0777 <unfinished ...>
[pid  5920] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5917] +++ exited with 0 +++
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5853] <... mkdir resumed>)        = 0
[pid  5920] <... set_robust_list resumed>) = 0
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 13
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5920] chdir("./11" <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
./strace-static-x86_64: Process 5921 attached
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 13
[pid  5921] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5920] <... chdir resumed>)        = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5921] <... set_robust_list resumed>) = 0
[pid  5857] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5920] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5921] chdir("./11" <unfinished ...>
[pid  5920] setpgid(0, 0 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5920] <... setpgid resumed>)      = 0
[pid  5857] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5921] <... chdir resumed>)        = 0
[pid  5921] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5921] <... prctl resumed>)        = 0
[pid  5856] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5920] <... openat resumed>)       = 3
[pid  5854] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5921] setpgid(0, 0 <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5921] <... setpgid resumed>)      = 0
[pid  5854] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5854] <... openat resumed>)       = 3
[pid  5920] write(3, "1000", 4 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5920] <... write resumed>)        = 4
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5920] close(3 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5920] <... close resumed>)        = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5920] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5857] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5921] <... openat resumed>)       = 3
[pid  5920] <... symlink resumed>)      = 0
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5921] write(3, "1000", 4 <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5921] <... write resumed>)        = 4
[pid  5854] getdents64(3, executing program
executing program
 <unfinished ...>
[pid  5921] close(3 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5921] <... close resumed>)        = 0
[pid  5854] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5921] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5921] <... symlink resumed>)      = 0
[pid  5920] write(1, "executing program\n", 18 <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./10/binderfs",  <unfinished ...>
[pid  5856] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./9/binderfs",  <unfinished ...>
[pid  5921] write(1, "executing program\n", 18 <unfinished ...>
[pid  5920] <... write resumed>)        = 18
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5921] <... write resumed>)        = 18
[pid  5920] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5857] unlink("./10/binderfs" <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./10/binderfs",  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5921] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5920] <... bpf resumed>)          = 3
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] unlink("./9/binderfs" <unfinished ...>
[pid  5921] <... bpf resumed>)          = 3
[pid  5920] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5857] getdents64(3,  <unfinished ...>
[pid  5856] unlink("./10/binderfs" <unfinished ...>
[pid  5921] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5854] <... unlink resumed>)       = 0
[pid  5920] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5921] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5920] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5921] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5920] <... bpf resumed>)          = 4
[pid  5857] <... close resumed>)        = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] rmdir("./10" <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] <... close resumed>)        = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] mkdir("./11", 0777 <unfinished ...>
[pid  5856] rmdir("./10" <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5921] <... bpf resumed>)          = 4
[pid  5920] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] <... rmdir resumed>)        = 0
[pid  5921] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] mkdir("./11", 0777 <unfinished ...>
[pid  5854] <... close resumed>)        = 0
./strace-static-x86_64: Process 5922 attached
[pid  5921] <... bpf resumed>)          = 5
[pid  5920] <... bpf resumed>)          = 5
[pid  5856] <... mkdir resumed>)        = 0
[pid  5922] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5854] rmdir("./9" <unfinished ...>
[pid  5921] close(3 <unfinished ...>
[pid  5922] <... set_robust_list resumed>) = 0
[pid  5920] close(3 <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5922] chdir("./11" <unfinished ...>
[pid  5921] <... close resumed>)        = 0
[pid  5920] <... close resumed>)        = 0
[pid  5854] mkdir("./10", 0777./strace-static-x86_64: Process 5923 attached
 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 13
[pid  5923] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5922] <... chdir resumed>)        = 0
[pid  5921] close(4 <unfinished ...>
[pid  5920] close(4 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 13
[pid  5854] <... mkdir resumed>)        = 0
[pid  5923] <... set_robust_list resumed>) = 0
[pid  5922] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5921] <... close resumed>)        = 0
[pid  5920] <... close resumed>)        = 0
[pid  5923] chdir("./11" <unfinished ...>
[pid  5922] <... prctl resumed>)        = 0
[pid  5921] close(5 <unfinished ...>
[pid  5920] close(5 <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5923] <... chdir resumed>)        = 0
[pid  5921] <... close resumed>)        = 0
[pid  5922] setpgid(0, 0)               = 0
./strace-static-x86_64: Process 5924 attached
[pid  5922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5923] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5921] close(6 <unfinished ...>
[pid  5920] <... close resumed>)        = 0
[pid  5924] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5923] <... prctl resumed>)        = 0
[pid  5921] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5920] close(6 <unfinished ...>
[pid  5924] <... set_robust_list resumed>) = 0
[pid  5921] close(7 <unfinished ...>
[pid  5923] setpgid(0, 0 <unfinished ...>
[pid  5920] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 12
[pid  5923] <... setpgid resumed>)      = 0
[pid  5921] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5920] close(7 <unfinished ...>
[pid  5924] chdir("./10" <unfinished ...>
[pid  5922] <... openat resumed>)       = 3
[pid  5921] close(8 <unfinished ...>
[pid  5920] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5922] write(3, "1000", 4)         = 4
[pid  5922] close(3 <unfinished ...>
[pid  5924] <... chdir resumed>)        = 0
[pid  5923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5922] <... close resumed>)        = 0
[pid  5921] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5920] close(8 <unfinished ...>
[pid  5924] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5922] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5921] close(9 <unfinished ...>
[pid  5920] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] <... prctl resumed>)        = 0
[pid  5923] <... openat resumed>)       = 3
[pid  5922] <... symlink resumed>)      = 0
[pid  5920] close(9 <unfinished ...>
[pid  5921] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] setpgid(0, 0 <unfinished ...>
[pid  5923] write(3, "1000", 4 <unfinished ...>
[pid  5921] close(10 <unfinished ...>
[pid  5920] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] <... setpgid resumed>)      = 0
[pid  5921] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5920] close(10 <unfinished ...>
[pid  5923] <... write resumed>)        = 4
[pid  5920] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
executing program
[pid  5922] write(1, "executing program\n", 18 <unfinished ...>
[pid  5921] close(11 <unfinished ...>
[pid  5923] close(3 <unfinished ...>
[pid  5922] <... write resumed>)        = 18
[pid  5920] close(11 <unfinished ...>
[pid  5923] <... close resumed>)        = 0
[pid  5922] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5921] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] <... openat resumed>)       = 3
[pid  5923] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5922] <... bpf resumed>)          = 3
[pid  5921] close(12 <unfinished ...>
[pid  5920] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5922] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5924] write(3, "1000", 4 <unfinished ...>
[pid  5923] <... symlink resumed>)      = 0
[pid  5922] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5921] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5920] close(12 <unfinished ...>
[pid  5924] <... write resumed>)        = 4
[pid  5922] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144executing program
 <unfinished ...>
[pid  5921] close(13 <unfinished ...>
[pid  5920] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5923] write(1, "executing program\n", 18 <unfinished ...>
[pid  5924] close(3 <unfinished ...>
[pid  5922] <... bpf resumed>)          = 4
[pid  5921] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5920] close(13 <unfinished ...>
[pid  5922] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5920] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5923] <... write resumed>)        = 18
[pid  5924] <... close resumed>)        = 0
[pid  5921] close(14 <unfinished ...>
[pid  5920] close(14 <unfinished ...>
[pid  5923] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5924] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5921] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5920] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] <... symlink resumed>)      = 0
[pid  5923] <... bpf resumed>)          = 3
[pid  5921] close(15 <unfinished ...>
[pid  5920] close(15executing program
 <unfinished ...>
[pid  5924] write(1, "executing program\n", 18 <unfinished ...>
[pid  5923] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5922] <... bpf resumed>)          = 5
[pid  5921] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5920] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] <... write resumed>)        = 18
[pid  5923] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5921] close(16 <unfinished ...>
[pid  5920] close(16 <unfinished ...>
[pid  5924] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5921] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5920] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5923] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5924] <... bpf resumed>)          = 3
[pid  5921] close(17 <unfinished ...>
[pid  5920] close(17 <unfinished ...>
[pid  5921] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5921] close(18 <unfinished ...>
[pid  5920] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5921] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5922] close(3)                    = 0
[pid  5922] close(4)                    = 0
[pid  5922] close(5 <unfinished ...>
[pid  5924] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5923] <... bpf resumed>)          = 4
[pid  5922] <... close resumed>)        = 0
[pid  5921] close(19 <unfinished ...>
[pid  5920] close(18 <unfinished ...>
[pid  5922] close(6 <unfinished ...>
[pid  5924] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5923] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5921] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5920] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5921] close(20 <unfinished ...>
[pid  5920] close(19 <unfinished ...>
[pid  5921] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5920] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5922] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5921] close(21 <unfinished ...>
[pid  5920] close(20 <unfinished ...>
[pid  5924] <... bpf resumed>)          = 4
[pid  5923] <... bpf resumed>)          = 5
[pid  5922] close(7 <unfinished ...>
[pid  5921] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5920] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5922] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5923] close(3 <unfinished ...>
[pid  5922] close(8 <unfinished ...>
[pid  5921] close(22 <unfinished ...>
[pid  5920] close(21 <unfinished ...>
[pid  5924] <... bpf resumed>)          = 5
[pid  5923] <... close resumed>)        = 0
[pid  5922] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5921] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5920] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5923] close(4 <unfinished ...>
[pid  5921] close(23 <unfinished ...>
[pid  5923] <... close resumed>)        = 0
[pid  5920] close(22 <unfinished ...>
[pid  5921] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5923] close(5 <unfinished ...>
[pid  5921] close(24 <unfinished ...>
[pid  5920] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] close(3 <unfinished ...>
[pid  5922] close(9 <unfinished ...>
[pid  5921] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] <... close resumed>)        = 0
[pid  5923] <... close resumed>)        = 0
[pid  5922] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5921] close(25 <unfinished ...>
[pid  5920] close(23 <unfinished ...>
[pid  5924] close(4 <unfinished ...>
[pid  5922] close(10 <unfinished ...>
[pid  5921] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] <... close resumed>)        = 0
[pid  5922] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] close(5 <unfinished ...>
[pid  5922] close(11 <unfinished ...>
[pid  5924] <... close resumed>)        = 0
[pid  5923] close(6 <unfinished ...>
[pid  5922] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5921] close(26 <unfinished ...>
[pid  5920] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5923] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5921] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5920] close(24 <unfinished ...>
[pid  5923] close(7 <unfinished ...>
[pid  5921] close(27 <unfinished ...>
[pid  5920] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5923] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5921] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5920] close(25 <unfinished ...>
[pid  5923] close(8 <unfinished ...>
[pid  5921] close(28 <unfinished ...>
[pid  5920] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5923] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] close(6 <unfinished ...>
[pid  5922] close(12 <unfinished ...>
[pid  5921] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5920] close(26 <unfinished ...>
[pid  5924] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5923] close(9 <unfinished ...>
[pid  5922] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5920] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] close(7 <unfinished ...>
[pid  5923] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5922] close(13 <unfinished ...>
[pid  5921] close(29 <unfinished ...>
[pid  5920] close(27 <unfinished ...>
[pid  5924] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5923] close(10 <unfinished ...>
[pid  5922] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5921] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5920] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] close(8 <unfinished ...>
[pid  5923] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5922] close(14 <unfinished ...>
[pid  5920] close(28 <unfinished ...>
[pid  5924] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5923] close(11 <unfinished ...>
[pid  5922] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5920] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] close(9 <unfinished ...>
[pid  5923] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5922] close(15 <unfinished ...>
[pid  5921] exit_group(0 <unfinished ...>
[pid  5920] close(29 <unfinished ...>
[pid  5924] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5923] close(12 <unfinished ...>
[pid  5922] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5921] <... exit_group resumed>)   = ?
[pid  5920] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] close(10 <unfinished ...>
[pid  5923] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5922] close(16 <unfinished ...>
[pid  5924] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5922] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5923] close(13 <unfinished ...>
[pid  5920] exit_group(0 <unfinished ...>
[pid  5924] close(11 <unfinished ...>
[pid  5922] close(17 <unfinished ...>
[pid  5924] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5922] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] close(12 <unfinished ...>
[pid  5922] close(18 <unfinished ...>
[pid  5924] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5922] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] close(13 <unfinished ...>
[pid  5922] close(19 <unfinished ...>
[pid  5924] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5922] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] close(14 <unfinished ...>
[pid  5922] close(20 <unfinished ...>
[pid  5924] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5922] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] close(15 <unfinished ...>
[pid  5922] close(21 <unfinished ...>
[pid  5924] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5922] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5921] +++ exited with 0 +++
[pid  5923] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] close(16 <unfinished ...>
[pid  5922] close(22 <unfinished ...>
[pid  5924] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5922] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] close(17 <unfinished ...>
[pid  5923] close(14 <unfinished ...>
[pid  5922] close(23 <unfinished ...>
[pid  5920] <... exit_group resumed>)   = ?
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5924] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5923] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5922] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] close(18 <unfinished ...>
[pid  5923] close(15 <unfinished ...>
[pid  5922] close(24 <unfinished ...>
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5924] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5922] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] close(19 <unfinished ...>
[pid  5922] close(25 <unfinished ...>
[pid  5924] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5922] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] close(20 <unfinished ...>
[pid  5922] close(26 <unfinished ...>
[pid  5924] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5922] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] close(21 <unfinished ...>
[pid  5922] close(27 <unfinished ...>
[pid  5924] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5922] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] close(22 <unfinished ...>
[pid  5922] close(28 <unfinished ...>
[pid  5924] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5922] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] close(23 <unfinished ...>
[pid  5923] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5922] close(29 <unfinished ...>
[pid  5920] +++ exited with 0 +++
[pid  5924] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5923] close(16 <unfinished ...>
[pid  5922] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] close(24 <unfinished ...>
[pid  5923] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5922] exit_group(0 <unfinished ...>
[pid  5924] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5922] <... exit_group resumed>)   = ?
[pid  5923] close(17 <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5924] close(25 <unfinished ...>
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5924] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5923] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5922] +++ exited with 0 +++
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5924] close(26 <unfinished ...>
[pid  5923] close(18 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5924] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  5923] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5923] close(19 <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5923] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5923] close(20 <unfinished ...>
[pid  5924] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  5923] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... openat resumed>)       = 3
[pid  5924] close(29 <unfinished ...>
[pid  5923] close(21 <unfinished ...>
[pid  5924] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5923] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5924] exit_group(0 <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5923] close(22 <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5924] <... exit_group resumed>)   = ?
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5923] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5924] +++ exited with 0 +++
[pid  5923] close(23 <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5923] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5923] close(24 <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5923] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5923] close(25 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./11/binderfs",  <unfinished ...>
[pid  5923] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5923] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5923] close(27 <unfinished ...>
[pid  5855] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] unlink("./11/binderfs" <unfinished ...>
[pid  5923] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5923] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... unlink resumed>)       = 0
[pid  5923] close(29 <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./11/binderfs",  <unfinished ...>
[pid  5923] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5923] exit_group(0 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5855] unlink("./11/binderfs" <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5923] <... exit_group resumed>)   = ?
[pid  5923] +++ exited with 0 +++
[pid  5855] <... unlink resumed>)       = 0
[pid  5853] close(3 <unfinished ...>
[pid  5855] getdents64(3, 0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] close(3 <unfinished ...>
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5853] <... close resumed>)        = 0
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5853] rmdir("./11" <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5855] rmdir("./11" <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  5857] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] mkdir("./12", 0777 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] mkdir("./12", 0777 <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... openat resumed>)       = 3
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] <... openat resumed>)       = 3
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5857] getdents64(3, 0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5925 attached
) = -1 EINVAL (Invalid argument)
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./11/binderfs", ./strace-static-x86_64: Process 5926 attached
 <unfinished ...>
[pid  5925] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 14
[pid  5926] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5925] <... set_robust_list resumed>) = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 14
[pid  5854] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5926] <... set_robust_list resumed>) = 0
[pid  5925] chdir("./12" <unfinished ...>
[pid  5857] unlink("./11/binderfs" <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... unlink resumed>)       = 0
[pid  5854] newfstatat(AT_FDCWD, "./10/binderfs",  <unfinished ...>
[pid  5926] chdir("./12" <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5925] <... chdir resumed>)        = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5925] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] unlink("./10/binderfs" <unfinished ...>
[pid  5926] <... chdir resumed>)        = 0
[pid  5925] <... prctl resumed>)        = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... unlink resumed>)       = 0
[pid  5926] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5926] setpgid(0, 0 <unfinished ...>
[pid  5925] setpgid(0, 0 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./11/binderfs",  <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5926] <... setpgid resumed>)      = 0
[pid  5925] <... setpgid resumed>)      = 0
[pid  5857] <... close resumed>)        = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] rmdir("./11" <unfinished ...>
[pid  5856] unlink("./11/binderfs" <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5925] <... openat resumed>)       = 3
[pid  5856] <... unlink resumed>)       = 0
[pid  5854] <... close resumed>)        = 0
[pid  5857] <... rmdir resumed>)        = 0
[pid  5926] <... openat resumed>)       = 3
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] rmdir("./10" <unfinished ...>
[pid  5925] write(3, "1000", 4 <unfinished ...>
[pid  5857] mkdir("./12", 0777 <unfinished ...>
[pid  5926] write(3, "1000", 4)         = 4
[pid  5926] close(3 <unfinished ...>
[pid  5925] <... write resumed>)        = 4
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... rmdir resumed>)        = 0
[pid  5925] close(3 <unfinished ...>
[pid  5926] <... close resumed>)        = 0
[pid  5925] <... close resumed>)        = 0
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5854] mkdir("./11", 0777./strace-static-x86_64: Process 5927 attached
 <unfinished ...>
[pid  5926] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5925] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  5927] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5925] <... symlink resumed>)      = 0
[pid  5925] write(1, "executing program\n", 18 <unfinished ...>
[pid  5927] <... set_robust_list resumed>) = 0
[pid  5926] <... symlink resumed>)      = 0
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 14
[pid  5856] rmdir("./11" <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
 <unfinished ...>
[pid  5927] chdir("./12" <unfinished ...>
[pid  5925] <... write resumed>)        = 18
[pid  5856] <... rmdir resumed>)        = 0
[pid  5925] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5928 attached
 <unfinished ...>
[pid  5927] <... chdir resumed>)        = 0
executing program
[pid  5926] write(1, "executing program\n", 18 <unfinished ...>
[pid  5925] <... bpf resumed>)          = 3
[pid  5856] mkdir("./12", 0777 <unfinished ...>
[pid  5927] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5926] <... write resumed>)        = 18
[pid  5925] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5856] <... mkdir resumed>)        = 0
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 13
[pid  5928] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5927] <... prctl resumed>)        = 0
[pid  5926] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5925] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5928] <... set_robust_list resumed>) = 0
[pid  5927] setpgid(0, 0 <unfinished ...>
[pid  5926] <... bpf resumed>)          = 3
[pid  5926] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5925] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5928] chdir("./11" <unfinished ...>
[pid  5927] <... setpgid resumed>)      = 0
[pid  5926] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5925] <... bpf resumed>)          = 4
./strace-static-x86_64: Process 5929 attached
[pid  5925] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5929] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5928] <... chdir resumed>)        = 0
[pid  5927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5926] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5929] <... set_robust_list resumed>) = 0
[pid  5929] chdir("./12" <unfinished ...>
[pid  5928] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5927] <... openat resumed>)       = 3
[pid  5925] <... bpf resumed>)          = 5
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 14
[pid  5926] <... bpf resumed>)          = 4
[pid  5928] <... prctl resumed>)        = 0
[pid  5927] write(3, "1000", 4 <unfinished ...>
[pid  5929] <... chdir resumed>)        = 0
[pid  5928] setpgid(0, 0 <unfinished ...>
[pid  5926] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5927] <... write resumed>)        = 4
[pid  5925] close(3 <unfinished ...>
[pid  5929] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5928] <... setpgid resumed>)      = 0
[pid  5927] close(3 <unfinished ...>
[pid  5926] <... bpf resumed>)          = 5
[pid  5925] <... close resumed>)        = 0
[pid  5929] <... prctl resumed>)        = 0
[pid  5929] setpgid(0, 0 <unfinished ...>
[pid  5928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5927] <... close resumed>)        = 0
[pid  5929] <... setpgid resumed>)      = 0
[pid  5925] close(4 <unfinished ...>
[pid  5929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5926] close(3 <unfinished ...>
[pid  5925] <... close resumed>)        = 0
[pid  5927] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5929] <... openat resumed>)       = 3
[pid  5928] <... openat resumed>)       = 3
[pid  5927] <... symlink resumed>)      = 0
[pid  5926] <... close resumed>)        = 0
[pid  5925] close(5 <unfinished ...>
executing program
[pid  5927] write(1, "executing program\n", 18 <unfinished ...>
[pid  5929] write(3, "1000", 4 <unfinished ...>
[pid  5928] write(3, "1000", 4 <unfinished ...>
[pid  5927] <... write resumed>)        = 18
[pid  5926] close(4 <unfinished ...>
[pid  5925] <... close resumed>)        = 0
[pid  5928] <... write resumed>)        = 4
[pid  5929] <... write resumed>)        = 4
[pid  5926] <... close resumed>)        = 0
[pid  5929] close(3 <unfinished ...>
[pid  5926] close(5 <unfinished ...>
[pid  5925] close(6 <unfinished ...>
[pid  5929] <... close resumed>)        = 0
[pid  5926] <... close resumed>)        = 0
[pid  5929] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5925] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5929] <... symlink resumed>)      = 0
[pid  5925] close(7 <unfinished ...>
[pid  5926] close(6 <unfinished ...>
[pid  5925] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  5929] write(1, "executing program\n", 18 <unfinished ...>
[pid  5928] close(3 <unfinished ...>
[pid  5927] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5926] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5925] close(8 <unfinished ...>
[pid  5929] <... write resumed>)        = 18
[pid  5928] <... close resumed>)        = 0
[pid  5927] <... bpf resumed>)          = 3
[pid  5926] close(7 <unfinished ...>
[pid  5925] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5928] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5927] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5928] <... symlink resumed>)      = 0
[pid  5929] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
executing program
[pid  5928] write(1, "executing program\n", 18 <unfinished ...>
[pid  5927] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5926] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5925] close(9 <unfinished ...>
[pid  5929] <... bpf resumed>)          = 3
[pid  5928] <... write resumed>)        = 18
[pid  5927] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5926] close(8 <unfinished ...>
[pid  5925] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5929] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5928] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5926] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5925] close(10 <unfinished ...>
[pid  5929] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5926] close(9 <unfinished ...>
[pid  5925] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5926] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5925] close(11 <unfinished ...>
[pid  5926] close(10 <unfinished ...>
[pid  5925] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5929] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5928] <... bpf resumed>)          = 3
[pid  5927] <... bpf resumed>)          = 4
[pid  5926] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5925] close(12 <unfinished ...>
[pid  5928] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5926] close(11 <unfinished ...>
[pid  5929] <... bpf resumed>)          = 4
[pid  5928] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5927] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5926] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5925] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5929] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5928] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5926] close(12 <unfinished ...>
[pid  5925] close(13 <unfinished ...>
[pid  5928] <... bpf resumed>)          = 4
[pid  5927] <... bpf resumed>)          = 5
[pid  5925] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5926] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5929] <... bpf resumed>)          = 5
[pid  5927] close(3 <unfinished ...>
[pid  5926] close(13 <unfinished ...>
[pid  5925] close(14 <unfinished ...>
[pid  5926] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5925] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5929] close(3 <unfinished ...>
[pid  5927] <... close resumed>)        = 0
[pid  5926] close(14 <unfinished ...>
[pid  5925] close(15 <unfinished ...>
[pid  5929] <... close resumed>)        = 0
[pid  5928] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5926] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5925] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5927] close(4 <unfinished ...>
[pid  5929] close(4 <unfinished ...>
[pid  5928] <... bpf resumed>)          = 5
[pid  5927] <... close resumed>)        = 0
[pid  5926] close(15 <unfinished ...>
[pid  5925] close(16 <unfinished ...>
[pid  5929] <... close resumed>)        = 0
[pid  5928] close(3 <unfinished ...>
[pid  5927] close(5 <unfinished ...>
[pid  5926] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5925] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5929] close(5 <unfinished ...>
[pid  5928] <... close resumed>)        = 0
[pid  5927] <... close resumed>)        = 0
[pid  5926] close(16 <unfinished ...>
[pid  5925] close(17 <unfinished ...>
[pid  5928] close(4)                    = 0
[pid  5929] <... close resumed>)        = 0
[pid  5928] close(5 <unfinished ...>
[pid  5929] close(6 <unfinished ...>
[pid  5928] <... close resumed>)        = 0
[pid  5927] close(6 <unfinished ...>
[pid  5926] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5925] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5929] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5928] close(6 <unfinished ...>
[pid  5927] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5926] close(17 <unfinished ...>
[pid  5925] close(18 <unfinished ...>
[pid  5929] close(7 <unfinished ...>
[pid  5927] close(7 <unfinished ...>
[pid  5926] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5925] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5929] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5927] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5926] close(18 <unfinished ...>
[pid  5925] close(19 <unfinished ...>
[pid  5929] close(8 <unfinished ...>
[pid  5927] close(8 <unfinished ...>
[pid  5926] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5925] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5929] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5927] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5926] close(19 <unfinished ...>
[pid  5925] close(20 <unfinished ...>
[pid  5929] close(9 <unfinished ...>
[pid  5927] close(9 <unfinished ...>
[pid  5926] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5925] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5929] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5927] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5926] close(20 <unfinished ...>
[pid  5929] close(10 <unfinished ...>
[pid  5927] close(10 <unfinished ...>
[pid  5925] close(21 <unfinished ...>
[pid  5929] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5927] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5926] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5928] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5929] close(11 <unfinished ...>
[pid  5928] close(7 <unfinished ...>
[pid  5927] close(11 <unfinished ...>
[pid  5926] close(21 <unfinished ...>
[pid  5925] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5929] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5928] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5927] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5926] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5925] close(22 <unfinished ...>
[pid  5929] close(12 <unfinished ...>
[pid  5928] close(8 <unfinished ...>
[pid  5927] close(12 <unfinished ...>
[pid  5926] close(22 <unfinished ...>
[pid  5925] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5929] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5928] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5927] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5926] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5925] close(23 <unfinished ...>
[pid  5929] close(13 <unfinished ...>
[pid  5928] close(9 <unfinished ...>
[pid  5927] close(13 <unfinished ...>
[pid  5926] close(23 <unfinished ...>
[pid  5925] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5929] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5928] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5927] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5926] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5925] close(24 <unfinished ...>
[pid  5929] close(14 <unfinished ...>
[pid  5928] close(10 <unfinished ...>
[pid  5927] close(14 <unfinished ...>
[pid  5926] close(24 <unfinished ...>
[pid  5925] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5929] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5928] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5927] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5926] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5925] close(25 <unfinished ...>
[pid  5929] close(15 <unfinished ...>
[pid  5928] close(11 <unfinished ...>
[pid  5926] close(25 <unfinished ...>
[pid  5925] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5929] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5928] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5927] close(15 <unfinished ...>
[pid  5926] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5925] close(26 <unfinished ...>
[pid  5929] close(16 <unfinished ...>
[pid  5928] close(12 <unfinished ...>
[pid  5927] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5926] close(26 <unfinished ...>
[pid  5925] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5929] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5928] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5928] close(13 <unfinished ...>
[pid  5929] close(17 <unfinished ...>
[pid  5926] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5925] close(27 <unfinished ...>
[pid  5929] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5928] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5927] close(16 <unfinished ...>
[pid  5926] close(27 <unfinished ...>
[pid  5925] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5929] close(18 <unfinished ...>
[pid  5928] close(14 <unfinished ...>
[pid  5927] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5926] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5925] close(28 <unfinished ...>
[pid  5929] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5928] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5927] close(17 <unfinished ...>
[pid  5926] close(28 <unfinished ...>
[pid  5925] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5929] close(19 <unfinished ...>
[pid  5928] close(15 <unfinished ...>
[pid  5927] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5926] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5925] close(29 <unfinished ...>
[pid  5929] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5928] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5927] close(18 <unfinished ...>
[pid  5926] close(29 <unfinished ...>
[pid  5925] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5929] close(20 <unfinished ...>
[pid  5928] close(16 <unfinished ...>
[pid  5927] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5926] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5928] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5925] exit_group(0 <unfinished ...>
[pid  5928] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  5926] exit_group(0 <unfinished ...>
[pid  5928] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  5928] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  5928] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  5929] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5928] close(21 <unfinished ...>
[pid  5927] close(19 <unfinished ...>
[pid  5926] <... exit_group resumed>)   = ?
[pid  5925] <... exit_group resumed>)   = ?
[pid  5929] close(21 <unfinished ...>
[pid  5928] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5927] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5929] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5928] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  5928] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  5928] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  5928] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  5928] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  5928] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  5928] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  5928] close(29 <unfinished ...>
[pid  5929] close(22 <unfinished ...>
[pid  5928] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5927] close(20 <unfinished ...>
[pid  5926] +++ exited with 0 +++
[pid  5925] +++ exited with 0 +++
[pid  5929] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5928] exit_group(0 <unfinished ...>
[pid  5927] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5929] close(23 <unfinished ...>
[pid  5927] close(21 <unfinished ...>
[pid  5928] <... exit_group resumed>)   = ?
[pid  5929] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5927] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5929] close(24 <unfinished ...>
[pid  5927] close(22 <unfinished ...>
[pid  5855] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5929] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5927] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5929] close(25 <unfinished ...>
[pid  5927] close(23 <unfinished ...>
[pid  5929] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5927] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5929] close(26 <unfinished ...>
[pid  5927] close(24 <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5929] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5928] +++ exited with 0 +++
[pid  5927] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5929] close(27 <unfinished ...>
[pid  5927] close(25 <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5929] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5927] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5853] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5929] close(28 <unfinished ...>
[pid  5927] close(26 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5929] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5927] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5929] close(29 <unfinished ...>
[pid  5927] close(27 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5929] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5927] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5929] exit_group(0 <unfinished ...>
[pid  5927] close(28 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5929] <... exit_group resumed>)   = ?
[pid  5927] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] newfstatat(AT_FDCWD, "./12/binderfs",  <unfinished ...>
[pid  5927] close(29 <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5927] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... openat resumed>)       = 3
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5929] +++ exited with 0 +++
[pid  5927] exit_group(0 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5927] <... exit_group resumed>)   = ?
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5927] +++ exited with 0 +++
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] unlink("./12/binderfs" <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./12/binderfs",  <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./11/binderfs",  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] close(3 <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... close resumed>)        = 0
[pid  5853] unlink("./12/binderfs" <unfinished ...>
[pid  5854] unlink("./11/binderfs" <unfinished ...>
[pid  5855] rmdir("./12")               = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5855] mkdir("./13", 0777 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] <... mkdir resumed>)        = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  5854] close(3 <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5854] <... close resumed>)        = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5930 attached
) = -1 EINVAL (Invalid argument)
[pid  5854] rmdir("./11" <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5930] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 15
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] close(3 <unfinished ...>
[pid  5930] <... set_robust_list resumed>) = 0
[pid  5857] <... openat resumed>)       = 3
[pid  5856] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] mkdir("./12", 0777 <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5930] chdir("./13" <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] rmdir("./12")               = 0
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] mkdir("./13", 0777 <unfinished ...>
[pid  5930] <... chdir resumed>)        = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] <... openat resumed>)       = 3
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5930] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] getdents64(3, 0x555562c7c6f0 /* 3 entries */, 32768) = 80
./strace-static-x86_64: Process 5931 attached
[pid  5930] <... prctl resumed>)        = 0
[pid  5857] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5931] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] newfstatat(AT_FDCWD, "./12/binderfs",  <unfinished ...>
[pid  5931] <... set_robust_list resumed>) = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5931] chdir("./12" <unfinished ...>
[pid  5930] setpgid(0, 0 <unfinished ...>
[pid  5857] unlink("./12/binderfs" <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5930] <... setpgid resumed>)      = 0
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5931] <... chdir resumed>)        = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5931] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5931] <... prctl resumed>)        = 0
[pid  5857] close(3 <unfinished ...>
[pid  5856] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5930] <... openat resumed>)       = 3
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 14
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5931] setpgid(0, 0 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] newfstatat(AT_FDCWD, "./12/binderfs",  <unfinished ...>
[pid  5931] <... setpgid resumed>)      = 0
[pid  5857] rmdir("./12"./strace-static-x86_64: Process 5932 attached
 <unfinished ...>
[pid  5931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5930] write(3, "1000", 4 <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5930] <... write resumed>)        = 4
[pid  5856] unlink("./12/binderfs" <unfinished ...>
[pid  5930] close(3 <unfinished ...>
[pid  5932] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5931] <... openat resumed>)       = 3
[pid  5930] <... close resumed>)        = 0
[pid  5857] mkdir("./13", 0777 <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5932] <... set_robust_list resumed>) = 0
[pid  5931] write(3, "1000", 4 <unfinished ...>
[pid  5930] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 15
[pid  5932] chdir("./13" <unfinished ...>
[pid  5931] <... write resumed>)        = 4
[pid  5930] <... symlink resumed>)      = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5931] close(3executing program
 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5930] write(1, "executing program\n", 18 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5930] <... write resumed>)        = 18
[pid  5856] close(3 <unfinished ...>
[pid  5930] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5856] rmdir("./12"./strace-static-x86_64: Process 5933 attached
 <unfinished ...>
[pid  5932] <... chdir resumed>)        = 0
[pid  5931] <... close resumed>)        = 0
[pid  5930] <... bpf resumed>)          = 3
[pid  5856] <... rmdir resumed>)        = 0
[pid  5932] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5931] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5933] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5930] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5856] mkdir("./13", 0777 <unfinished ...>
[pid  5933] <... set_robust_list resumed>) = 0
[pid  5932] <... prctl resumed>)        = 0
[pid  5931] <... symlink resumed>)      = 0
[pid  5930] <... bpf resumed>)          = -1 EFAULT (Bad address)
executing program
[pid  5933] chdir("./13" <unfinished ...>
[pid  5932] setpgid(0, 0 <unfinished ...>
[pid  5931] write(1, "executing program\n", 18 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 15
[pid  5856] <... mkdir resumed>)        = 0
[pid  5932] <... setpgid resumed>)      = 0
[pid  5931] <... write resumed>)        = 18
[pid  5933] <... chdir resumed>)        = 0
[pid  5930] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5933] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5931] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 5934 attached
 <unfinished ...>
[pid  5933] <... prctl resumed>)        = 0
[pid  5932] <... openat resumed>)       = 3
[pid  5931] <... bpf resumed>)          = 3
[pid  5933] setpgid(0, 0 <unfinished ...>
[pid  5930] <... bpf resumed>)          = 4
[pid  5933] <... setpgid resumed>)      = 0
[pid  5930] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5934] set_robust_list(0x555562c7b660, 24) = 0
[pid  5933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5932] write(3, "1000", 4 <unfinished ...>
[pid  5931] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5930] <... bpf resumed>)          = 5
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 15
[pid  5934] chdir("./13" <unfinished ...>
[pid  5933] <... openat resumed>)       = 3
[pid  5931] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5932] <... write resumed>)        = 4
[pid  5930] close(3 <unfinished ...>
[pid  5931] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5934] <... chdir resumed>)        = 0
[pid  5933] write(3, "1000", 4 <unfinished ...>
[pid  5932] close(3 <unfinished ...>
[pid  5930] <... close resumed>)        = 0
[pid  5932] <... close resumed>)        = 0
[pid  5930] close(4 <unfinished ...>
[pid  5934] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5933] <... write resumed>)        = 4
executing program
[pid  5932] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5930] <... close resumed>)        = 0
[pid  5934] <... prctl resumed>)        = 0
[pid  5933] close(3 <unfinished ...>
[pid  5931] <... bpf resumed>)          = 4
[pid  5933] <... close resumed>)        = 0
[pid  5932] <... symlink resumed>)      = 0
[pid  5934] setpgid(0, 0 <unfinished ...>
[pid  5933] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5932] write(1, "executing program\n", 18 <unfinished ...>
[pid  5930] close(5 <unfinished ...>
[pid  5934] <... setpgid resumed>)      = 0
[pid  5931] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5930] <... close resumed>)        = 0
[pid  5934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5933] <... symlink resumed>)      = 0
[pid  5932] <... write resumed>)        = 18
[pid  5931] <... bpf resumed>)          = 5
[pid  5930] close(6 <unfinished ...>
[pid  5932] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5931] close(3 <unfinished ...>
[pid  5930] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  5934] <... openat resumed>)       = 3
[pid  5933] write(1, "executing program\n", 18 <unfinished ...>
[pid  5932] <... bpf resumed>)          = 3
[pid  5931] <... close resumed>)        = 0
[pid  5930] close(7 <unfinished ...>
[pid  5933] <... write resumed>)        = 18
[pid  5931] close(4 <unfinished ...>
[pid  5930] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] write(3, "1000", 4 <unfinished ...>
[pid  5933] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5932] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5931] <... close resumed>)        = 0
[pid  5930] close(8 <unfinished ...>
[pid  5934] <... write resumed>)        = 4
[pid  5931] close(5 <unfinished ...>
[pid  5930] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] close(3 <unfinished ...>
[pid  5933] <... bpf resumed>)          = 3
[pid  5932] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5931] <... close resumed>)        = 0
[pid  5934] <... close resumed>)        = 0
[pid  5933] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5934] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5932] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5931] close(6 <unfinished ...>
[pid  5930] close(9 <unfinished ...>
[pid  5934] <... symlink resumed>)      = 0
[pid  5933] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5931] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5930] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  5934] write(1, "executing program\n", 18 <unfinished ...>
[pid  5933] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5932] <... bpf resumed>)          = 4
[pid  5931] close(7 <unfinished ...>
[pid  5930] close(10 <unfinished ...>
[pid  5934] <... write resumed>)        = 18
[pid  5933] <... bpf resumed>)          = 4
[pid  5931] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5930] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5931] close(8 <unfinished ...>
[pid  5930] close(11 <unfinished ...>
[pid  5931] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5930] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5931] close(9 <unfinished ...>
[pid  5930] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  5931] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5930] close(13 <unfinished ...>
[pid  5931] close(10 <unfinished ...>
[pid  5930] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5931] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5930] close(14 <unfinished ...>
[pid  5934] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5933] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5932] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5931] close(11 <unfinished ...>
[pid  5930] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] <... bpf resumed>)          = 3
[pid  5933] <... bpf resumed>)          = 5
[pid  5932] <... bpf resumed>)          = 5
[pid  5931] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5930] close(15 <unfinished ...>
[pid  5934] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5933] close(3 <unfinished ...>
[pid  5932] close(3 <unfinished ...>
[pid  5931] close(12 <unfinished ...>
[pid  5930] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5933] <... close resumed>)        = 0
[pid  5932] <... close resumed>)        = 0
[pid  5934] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5933] close(4 <unfinished ...>
[pid  5932] close(4 <unfinished ...>
[pid  5934] <... bpf resumed>)          = 4
[pid  5933] <... close resumed>)        = 0
[pid  5932] <... close resumed>)        = 0
[pid  5931] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5930] close(16 <unfinished ...>
[pid  5931] close(13 <unfinished ...>
[pid  5930] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5931] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5930] close(17 <unfinished ...>
[pid  5931] close(14 <unfinished ...>
[pid  5930] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5931] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5933] close(5 <unfinished ...>
[pid  5932] close(5 <unfinished ...>
[pid  5931] close(15 <unfinished ...>
[pid  5930] close(18 <unfinished ...>
[pid  5934] <... bpf resumed>)          = 5
[pid  5933] <... close resumed>)        = 0
[pid  5932] <... close resumed>)        = 0
[pid  5931] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5930] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] close(3 <unfinished ...>
[pid  5930] close(19 <unfinished ...>
[pid  5931] close(16 <unfinished ...>
[pid  5933] close(6 <unfinished ...>
[pid  5932] close(6 <unfinished ...>
[pid  5931] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5930] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5931] close(17 <unfinished ...>
[pid  5930] close(20 <unfinished ...>
[pid  5931] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5930] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5931] close(18 <unfinished ...>
[pid  5930] close(21 <unfinished ...>
[pid  5931] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5930] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5931] close(19 <unfinished ...>
[pid  5930] close(22 <unfinished ...>
[pid  5931] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5930] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] <... close resumed>)        = 0
[pid  5933] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5932] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5931] close(20 <unfinished ...>
[pid  5930] close(23 <unfinished ...>
[pid  5934] close(4 <unfinished ...>
[pid  5933] close(7 <unfinished ...>
[pid  5932] close(7 <unfinished ...>
[pid  5931] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5930] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] <... close resumed>)        = 0
[pid  5933] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5932] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5931] close(21 <unfinished ...>
[pid  5930] close(24 <unfinished ...>
[pid  5934] close(5 <unfinished ...>
[pid  5933] close(8 <unfinished ...>
[pid  5932] close(8 <unfinished ...>
[pid  5931] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5930] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] <... close resumed>)        = 0
[pid  5933] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5932] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5931] close(22 <unfinished ...>
[pid  5930] close(25 <unfinished ...>
[pid  5933] close(9 <unfinished ...>
[pid  5932] close(9 <unfinished ...>
[pid  5931] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5930] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] close(6 <unfinished ...>
[pid  5933] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5932] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5933] close(10 <unfinished ...>
[pid  5932] close(10 <unfinished ...>
[pid  5931] close(23 <unfinished ...>
[pid  5930] close(26 <unfinished ...>
[pid  5934] close(7 <unfinished ...>
[pid  5933] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5932] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5930] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5931] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5933] close(11 <unfinished ...>
[pid  5932] close(11 <unfinished ...>
[pid  5931] close(24 <unfinished ...>
[pid  5930] close(27 <unfinished ...>
[pid  5934] close(8 <unfinished ...>
[pid  5933] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5932] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5931] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5930] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5933] close(12 <unfinished ...>
[pid  5932] close(12 <unfinished ...>
[pid  5931] close(25 <unfinished ...>
[pid  5930] close(28 <unfinished ...>
[pid  5934] close(9 <unfinished ...>
[pid  5933] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5932] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5931] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5930] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5933] close(13 <unfinished ...>
[pid  5932] close(13 <unfinished ...>
[pid  5931] close(26 <unfinished ...>
[pid  5930] close(29 <unfinished ...>
[pid  5934] close(10 <unfinished ...>
[pid  5933] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5932] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5931] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5930] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5933] close(14 <unfinished ...>
[pid  5932] close(14 <unfinished ...>
[pid  5931] close(27 <unfinished ...>
[pid  5934] close(11 <unfinished ...>
[pid  5933] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5932] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5930] exit_group(0 <unfinished ...>
[pid  5934] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5933] close(15 <unfinished ...>
[pid  5932] close(15 <unfinished ...>
[pid  5931] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5930] <... exit_group resumed>)   = ?
[pid  5934] close(12 <unfinished ...>
[pid  5933] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5932] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5933] close(16 <unfinished ...>
[pid  5932] close(16 <unfinished ...>
[pid  5934] close(13 <unfinished ...>
[pid  5933] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5932] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5933] close(17 <unfinished ...>
[pid  5932] close(17 <unfinished ...>
[pid  5934] close(14 <unfinished ...>
[pid  5933] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5932] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5933] close(18 <unfinished ...>
[pid  5932] close(18 <unfinished ...>
[pid  5934] close(15 <unfinished ...>
[pid  5933] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5932] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5933] close(19 <unfinished ...>
[pid  5932] close(19 <unfinished ...>
[pid  5931] close(28 <unfinished ...>
[pid  5930] +++ exited with 0 +++
[pid  5934] close(16 <unfinished ...>
[pid  5933] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5932] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5933] close(20 <unfinished ...>
[pid  5932] close(20 <unfinished ...>
[pid  5931] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5934] close(17 <unfinished ...>
[pid  5933] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5932] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5931] close(29 <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5934] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5933] close(21 <unfinished ...>
[pid  5932] close(21 <unfinished ...>
[pid  5931] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] close(18 <unfinished ...>
[pid  5933] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5932] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5933] close(22 <unfinished ...>
[pid  5932] close(22 <unfinished ...>
[pid  5931] exit_group(0 <unfinished ...>
[pid  5934] close(19 <unfinished ...>
[pid  5933] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5932] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5933] close(23 <unfinished ...>
[pid  5932] close(23 <unfinished ...>
[pid  5934] close(20 <unfinished ...>
[pid  5933] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5932] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5933] close(24 <unfinished ...>
[pid  5932] close(24 <unfinished ...>
[pid  5931] <... exit_group resumed>)   = ?
[pid  5934] close(21 <unfinished ...>
[pid  5933] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5932] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5933] close(25 <unfinished ...>
[pid  5932] close(25 <unfinished ...>
[pid  5934] close(22 <unfinished ...>
[pid  5933] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5932] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5933] close(26 <unfinished ...>
[pid  5932] close(26 <unfinished ...>
[pid  5934] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  5933] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5932] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5934] close(24 <unfinished ...>
[pid  5933] close(27 <unfinished ...>
[pid  5932] close(27 <unfinished ...>
[pid  5934] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5933] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5932] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5931] +++ exited with 0 +++
[pid  5934] close(25 <unfinished ...>
[pid  5933] close(28 <unfinished ...>
[pid  5932] close(28 <unfinished ...>
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5934] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5933] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5932] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5934] close(26 <unfinished ...>
[pid  5933] close(29 <unfinished ...>
[pid  5932] close(29 <unfinished ...>
[pid  5934] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5933] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5932] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5934] close(27 <unfinished ...>
[pid  5933] exit_group(0 <unfinished ...>
[pid  5932] exit_group(0 <unfinished ...>
[pid  5934] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5934] close(28 <unfinished ...>
[pid  5933] <... exit_group resumed>)   = ?
[pid  5932] <... exit_group resumed>)   = ?
[pid  5855] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5934] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5933] +++ exited with 0 +++
[pid  5932] +++ exited with 0 +++
[pid  5854] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5934] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  5934] exit_group(0 <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5934] <... exit_group resumed>)   = ?
[pid  5854] <... openat resumed>)       = 3
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5934] +++ exited with 0 +++
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5857] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] newfstatat(AT_FDCWD, "./13/binderfs",  <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./12/binderfs",  <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5857] <... openat resumed>)       = 3
[pid  5856] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] unlink("./13/binderfs" <unfinished ...>
[pid  5854] unlink("./12/binderfs" <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5853] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./13/binderfs",  <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./13/binderfs",  <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] newfstatat(AT_FDCWD, "./13/binderfs",  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] unlink("./13/binderfs" <unfinished ...>
[pid  5857] unlink("./13/binderfs" <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] close(3 <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] unlink("./13/binderfs" <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5855] <... close resumed>)        = 0
[pid  5854] rmdir("./12" <unfinished ...>
[pid  5855] rmdir("./13" <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] mkdir("./14", 0777 <unfinished ...>
[pid  5854] mkdir("./13", 0777 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] close(3 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] close(3 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] close(3 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] <... close resumed>)        = 0
[pid  5857] rmdir("./13" <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] rmdir("./13" <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] rmdir("./13" <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  5856] <... rmdir resumed>)        = 0
./strace-static-x86_64: Process 5936 attached
./strace-static-x86_64: Process 5935 attached
[pid  5857] mkdir("./14", 0777 <unfinished ...>
[pid  5853] mkdir("./14", 0777 <unfinished ...>
[pid  5936] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5935] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] mkdir("./14", 0777 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 16
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 15
[pid  5853] <... mkdir resumed>)        = 0
[pid  5935] <... set_robust_list resumed>) = 0
[pid  5936] <... set_robust_list resumed>) = 0
[pid  5935] chdir("./13" <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5935] <... chdir resumed>)        = 0
[pid  5935] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
./strace-static-x86_64: Process 5938 attached
./strace-static-x86_64: Process 5937 attached
[pid  5936] chdir("./14" <unfinished ...>
[pid  5935] setpgid(0, 0 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5938] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5937] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5936] <... chdir resumed>)        = 0
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 16
[pid  5938] <... set_robust_list resumed>) = 0
[pid  5937] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 5939 attached
[pid  5938] chdir("./14" <unfinished ...>
[pid  5936] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5935] <... setpgid resumed>)      = 0
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 16
[pid  5939] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5938] <... chdir resumed>)        = 0
[pid  5937] chdir("./14" <unfinished ...>
[pid  5936] <... prctl resumed>)        = 0
[pid  5935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 16
[pid  5939] <... set_robust_list resumed>) = 0
[pid  5938] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5937] <... chdir resumed>)        = 0
[pid  5936] setpgid(0, 0 <unfinished ...>
[pid  5938] <... prctl resumed>)        = 0
[pid  5936] <... setpgid resumed>)      = 0
[pid  5935] <... openat resumed>)       = 3
[pid  5939] chdir("./14" <unfinished ...>
[pid  5938] setpgid(0, 0 <unfinished ...>
[pid  5937] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5937] <... prctl resumed>)        = 0
[pid  5939] <... chdir resumed>)        = 0
[pid  5938] <... setpgid resumed>)      = 0
[pid  5937] setpgid(0, 0 <unfinished ...>
[pid  5936] <... openat resumed>)       = 3
[pid  5935] write(3, "1000", 4)         = 4
[pid  5935] close(3 <unfinished ...>
[pid  5938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5936] write(3, "1000", 4 <unfinished ...>
[pid  5935] <... close resumed>)        = 0
[pid  5939] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5936] <... write resumed>)        = 4
[pid  5935] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5937] <... setpgid resumed>)      = 0
[pid  5937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5939] <... prctl resumed>)        = 0
[pid  5936] close(3 <unfinished ...>
[pid  5935] <... symlink resumed>)      = 0
executing program
[pid  5939] setpgid(0, 0 <unfinished ...>
[pid  5938] <... openat resumed>)       = 3
[pid  5936] <... close resumed>)        = 0
[pid  5939] <... setpgid resumed>)      = 0
[pid  5936] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5935] write(1, "executing program\n", 18 <unfinished ...>
[pid  5939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5938] write(3, "1000", 4 <unfinished ...>
[pid  5937] <... openat resumed>)       = 3
[pid  5936] <... symlink resumed>)      = 0
[pid  5935] <... write resumed>)        = 18
[pid  5935] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5939] <... openat resumed>)       = 3
[pid  5938] <... write resumed>)        = 4
[pid  5937] write(3, "1000", 4 <unfinished ...>
[pid  5936] write(1, "executing program\n", 18 <unfinished ...>
[pid  5938] close(3 <unfinished ...>
[pid  5937] <... write resumed>)        = 4
executing program
[pid  5939] write(3, "1000", 4 <unfinished ...>
[pid  5938] <... close resumed>)        = 0
[pid  5937] close(3 <unfinished ...>
[pid  5936] <... write resumed>)        = 18
[pid  5935] <... bpf resumed>)          = 3
[pid  5939] <... write resumed>)        = 4
[pid  5938] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5937] <... close resumed>)        = 0
[pid  5936] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5939] close(3 <unfinished ...>
[pid  5937] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5936] <... bpf resumed>)          = 3
[pid  5935] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5939] <... close resumed>)        = 0
[pid  5938] <... symlink resumed>)      = 0
[pid  5936] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5935] <... bpf resumed>)          = -1 EFAULT (Bad address)
executing program
[pid  5939] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5938] write(1, "executing program\n", 18 <unfinished ...>
[pid  5937] <... symlink resumed>)      = 0
[pid  5936] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5935] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5939] <... symlink resumed>)      = 0
[pid  5938] <... write resumed>)        = 18
[pid  5937] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  5936] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5935] <... bpf resumed>)          = 4
[pid  5939] write(1, "executing program\n", 18 <unfinished ...>
[pid  5938] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5937] <... write resumed>)        = 18
[pid  5936] <... bpf resumed>)          = 4
executing program
[pid  5939] <... write resumed>)        = 18
[pid  5939] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5935] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5939] <... bpf resumed>)          = 3
[pid  5938] <... bpf resumed>)          = 3
[pid  5937] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5936] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5935] <... bpf resumed>)          = 5
[pid  5939] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5938] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5937] <... bpf resumed>)          = 3
[pid  5936] <... bpf resumed>)          = 5
[pid  5939] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5935] close(3 <unfinished ...>
[pid  5938] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5937] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5938] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5937] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5939] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5936] close(3 <unfinished ...>
[pid  5935] <... close resumed>)        = 0
[pid  5939] <... bpf resumed>)          = 4
[pid  5938] <... bpf resumed>)          = 4
[pid  5937] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5936] <... close resumed>)        = 0
[pid  5935] close(4 <unfinished ...>
[pid  5939] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5938] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5936] close(4 <unfinished ...>
[pid  5935] <... close resumed>)        = 0
[pid  5939] <... bpf resumed>)          = 5
[pid  5937] <... bpf resumed>)          = 4
[pid  5936] <... close resumed>)        = 0
[pid  5935] close(5 <unfinished ...>
[pid  5939] close(3 <unfinished ...>
[pid  5938] <... bpf resumed>)          = 5
[pid  5937] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5936] close(5 <unfinished ...>
[pid  5935] <... close resumed>)        = 0
[pid  5939] <... close resumed>)        = 0
[pid  5938] close(3 <unfinished ...>
[pid  5936] <... close resumed>)        = 0
[pid  5935] close(6 <unfinished ...>
[pid  5937] <... bpf resumed>)          = 5
[pid  5939] close(4 <unfinished ...>
[pid  5938] <... close resumed>)        = 0
[pid  5937] close(3 <unfinished ...>
[pid  5936] close(6 <unfinished ...>
[pid  5935] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5939] <... close resumed>)        = 0
[pid  5938] close(4 <unfinished ...>
[pid  5937] <... close resumed>)        = 0
[pid  5936] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5935] close(7 <unfinished ...>
[pid  5939] close(5 <unfinished ...>
[pid  5938] <... close resumed>)        = 0
[pid  5937] close(4 <unfinished ...>
[pid  5936] close(7 <unfinished ...>
[pid  5935] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5939] <... close resumed>)        = 0
[pid  5938] close(5 <unfinished ...>
[pid  5937] <... close resumed>)        = 0
[pid  5936] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5935] close(8 <unfinished ...>
[pid  5938] <... close resumed>)        = 0
[pid  5937] close(5 <unfinished ...>
[pid  5936] close(8 <unfinished ...>
[pid  5939] close(6 <unfinished ...>
[pid  5938] close(6 <unfinished ...>
[pid  5936] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5935] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5939] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5938] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5937] <... close resumed>)        = 0
[pid  5936] close(9 <unfinished ...>
[pid  5935] close(9 <unfinished ...>
[pid  5939] close(7 <unfinished ...>
[pid  5938] close(7 <unfinished ...>
[pid  5937] close(6 <unfinished ...>
[pid  5936] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5935] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5939] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5938] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5937] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5936] close(10 <unfinished ...>
[pid  5935] close(10 <unfinished ...>
[pid  5939] close(8 <unfinished ...>
[pid  5938] close(8 <unfinished ...>
[pid  5937] close(7 <unfinished ...>
[pid  5936] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5935] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5939] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5938] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5937] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5936] close(11 <unfinished ...>
[pid  5935] close(11 <unfinished ...>
[pid  5939] close(9 <unfinished ...>
[pid  5938] close(9 <unfinished ...>
[pid  5937] close(8 <unfinished ...>
[pid  5936] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5935] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5939] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5938] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5937] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5936] close(12 <unfinished ...>
[pid  5935] close(12 <unfinished ...>
[pid  5939] close(10 <unfinished ...>
[pid  5938] close(10 <unfinished ...>
[pid  5937] close(9 <unfinished ...>
[pid  5936] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5935] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5939] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5938] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5937] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5936] close(13 <unfinished ...>
[pid  5939] close(11 <unfinished ...>
[pid  5938] close(11 <unfinished ...>
[pid  5937] close(10 <unfinished ...>
[pid  5936] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5935] close(13 <unfinished ...>
[pid  5939] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5938] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5937] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5936] close(14 <unfinished ...>
[pid  5935] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5939] close(12 <unfinished ...>
[pid  5938] close(12 <unfinished ...>
[pid  5937] close(11 <unfinished ...>
[pid  5936] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5939] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5938] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5937] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5936] close(15 <unfinished ...>
[pid  5935] close(14 <unfinished ...>
[pid  5939] close(13 <unfinished ...>
[pid  5938] close(13 <unfinished ...>
[pid  5937] close(12 <unfinished ...>
[pid  5936] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5935] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5939] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5938] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5937] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5936] close(16 <unfinished ...>
[pid  5939] close(14 <unfinished ...>
[pid  5938] close(14 <unfinished ...>
[pid  5937] close(13 <unfinished ...>
[pid  5936] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5935] close(15 <unfinished ...>
[pid  5939] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5938] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5937] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5936] close(17 <unfinished ...>
[pid  5939] close(15 <unfinished ...>
[pid  5938] close(15 <unfinished ...>
[pid  5937] close(14 <unfinished ...>
[pid  5936] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5935] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5939] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5938] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5937] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5936] close(18 <unfinished ...>
[pid  5935] close(16 <unfinished ...>
[pid  5938] close(16 <unfinished ...>
[pid  5937] close(15 <unfinished ...>
[pid  5938] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5937] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5938] close(17 <unfinished ...>
[pid  5937] close(16 <unfinished ...>
[pid  5938] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5937] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5938] close(18 <unfinished ...>
[pid  5937] close(17 <unfinished ...>
[pid  5938] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5937] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5938] close(19 <unfinished ...>
[pid  5937] close(18 <unfinished ...>
[pid  5938] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5937] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5938] close(20 <unfinished ...>
[pid  5937] close(19 <unfinished ...>
[pid  5938] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5937] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5938] close(21 <unfinished ...>
[pid  5937] close(20 <unfinished ...>
[pid  5938] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5937] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5938] close(22 <unfinished ...>
[pid  5937] close(21 <unfinished ...>
[pid  5938] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5937] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5938] close(23 <unfinished ...>
[pid  5937] close(22 <unfinished ...>
[pid  5938] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5937] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5938] close(24 <unfinished ...>
[pid  5937] close(23 <unfinished ...>
[pid  5938] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5937] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5938] close(25 <unfinished ...>
[pid  5937] close(24 <unfinished ...>
[pid  5938] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5937] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5938] close(26 <unfinished ...>
[pid  5937] close(25 <unfinished ...>
[pid  5938] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5937] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5938] close(27 <unfinished ...>
[pid  5937] close(26 <unfinished ...>
[pid  5938] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5937] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5938] close(28 <unfinished ...>
[pid  5937] close(27 <unfinished ...>
[pid  5938] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5937] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5938] close(29 <unfinished ...>
[pid  5937] close(28 <unfinished ...>
[pid  5938] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5937] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5939] close(16 <unfinished ...>
[pid  5938] exit_group(0 <unfinished ...>
[pid  5937] close(29 <unfinished ...>
[pid  5936] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5935] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5939] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5936] close(19 <unfinished ...>
[pid  5935] close(17 <unfinished ...>
[pid  5939] close(17 <unfinished ...>
[pid  5938] <... exit_group resumed>)   = ?
[pid  5937] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5936] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5935] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5939] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5936] close(20 <unfinished ...>
[pid  5935] close(18 <unfinished ...>
[pid  5937] exit_group(0 <unfinished ...>
[pid  5939] close(18 <unfinished ...>
[pid  5937] <... exit_group resumed>)   = ?
[pid  5936] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5935] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5939] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5936] close(21 <unfinished ...>
[pid  5935] close(19 <unfinished ...>
[pid  5939] close(19 <unfinished ...>
[pid  5936] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5935] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5939] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5936] close(22 <unfinished ...>
[pid  5935] close(20 <unfinished ...>
[pid  5939] close(20 <unfinished ...>
[pid  5936] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5935] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5939] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5936] close(23 <unfinished ...>
[pid  5935] close(21 <unfinished ...>
[pid  5939] close(21 <unfinished ...>
[pid  5936] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5935] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5939] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5936] close(24 <unfinished ...>
[pid  5935] close(22 <unfinished ...>
[pid  5939] close(22 <unfinished ...>
[pid  5936] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5935] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5939] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5938] +++ exited with 0 +++
[pid  5936] close(25 <unfinished ...>
[pid  5935] close(23 <unfinished ...>
[pid  5939] close(23 <unfinished ...>
[pid  5936] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5935] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5939] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5936] close(26 <unfinished ...>
[pid  5935] close(24 <unfinished ...>
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5939] close(24 <unfinished ...>
[pid  5936] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5935] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5939] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5936] close(27 <unfinished ...>
[pid  5935] close(25 <unfinished ...>
[pid  5939] close(25 <unfinished ...>
[pid  5936] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5935] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5939] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5937] +++ exited with 0 +++
[pid  5936] close(28 <unfinished ...>
[pid  5935] close(26 <unfinished ...>
[pid  5939] close(26 <unfinished ...>
[pid  5936] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5935] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5939] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5936] close(29 <unfinished ...>
[pid  5935] close(27 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5939] close(27 <unfinished ...>
[pid  5936] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5935] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5939] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5936] exit_group(0 <unfinished ...>
[pid  5935] close(28 <unfinished ...>
[pid  5939] close(28 <unfinished ...>
[pid  5936] <... exit_group resumed>)   = ?
[pid  5935] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5939] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5936] +++ exited with 0 +++
[pid  5935] close(29 <unfinished ...>
[pid  5939] close(29 <unfinished ...>
[pid  5935] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5939] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5935] exit_group(0 <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5939] exit_group(0 <unfinished ...>
[pid  5935] <... exit_group resumed>)   = ?
[pid  5939] <... exit_group resumed>)   = ?
[pid  5935] +++ exited with 0 +++
[pid  5939] +++ exited with 0 +++
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5855] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5853] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... openat resumed>)       = 3
[pid  5857] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./14/binderfs",  <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./14/binderfs",  <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] unlink("./14/binderfs" <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] newfstatat(AT_FDCWD, "./14/binderfs",  <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] newfstatat(AT_FDCWD, "./13/binderfs",  <unfinished ...>
[pid  5853] unlink("./14/binderfs" <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  5857] unlink("./14/binderfs" <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] unlink("./13/binderfs" <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... close resumed>)        = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] newfstatat(AT_FDCWD, "./14/binderfs",  <unfinished ...>
[pid  5855] rmdir("./14" <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... close resumed>)        = 0
[pid  5857] close(3 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] close(3 <unfinished ...>
[pid  5853] rmdir("./14" <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] unlink("./14/binderfs" <unfinished ...>
[pid  5855] mkdir("./15", 0777 <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5853] <... rmdir resumed>)        = 0
[pid  5857] rmdir("./14" <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] rmdir("./13" <unfinished ...>
[pid  5853] mkdir("./15", 0777 <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] <... mkdir resumed>)        = 0
./strace-static-x86_64: Process 5940 attached
[pid  5857] mkdir("./15", 0777 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] mkdir("./14", 0777 <unfinished ...>
[pid  5940] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] close(3 <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5856] <... close resumed>)        = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5941 attached
./strace-static-x86_64: Process 5942 attached
 <unfinished ...>
[pid  5940] <... set_robust_list resumed>) = 0
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] rmdir("./14" <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 17
[pid  5856] <... rmdir resumed>)        = 0
[pid  5856] mkdir("./15", 0777./strace-static-x86_64: Process 5943 attached
)         = 0
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 16
[pid  5940] chdir("./15" <unfinished ...>
[pid  5943] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 17
./strace-static-x86_64: Process 5944 attached
[pid  5943] <... set_robust_list resumed>) = 0
[pid  5942] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5941] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5940] <... chdir resumed>)        = 0
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 17
[pid  5944] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5943] chdir("./15" <unfinished ...>
[pid  5941] <... set_robust_list resumed>) = 0
[pid  5940] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5944] <... set_robust_list resumed>) = 0
[pid  5942] <... set_robust_list resumed>) = 0
[pid  5941] chdir("./14" <unfinished ...>
[pid  5940] <... prctl resumed>)        = 0
[pid  5943] <... chdir resumed>)        = 0
[pid  5942] chdir("./15" <unfinished ...>
[pid  5943] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5944] chdir("./15" <unfinished ...>
[pid  5943] setpgid(0, 0 <unfinished ...>
[pid  5940] setpgid(0, 0 <unfinished ...>
[pid  5944] <... chdir resumed>)        = 0
[pid  5942] <... chdir resumed>)        = 0
[pid  5940] <... setpgid resumed>)      = 0
[pid  5942] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5941] <... chdir resumed>)        = 0
[pid  5943] <... setpgid resumed>)      = 0
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 17
[pid  5944] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5942] <... prctl resumed>)        = 0
[pid  5941] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5944] <... prctl resumed>)        = 0
[pid  5943] <... openat resumed>)       = 3
[pid  5942] setpgid(0, 0 <unfinished ...>
[pid  5941] <... prctl resumed>)        = 0
[pid  5940] <... openat resumed>)       = 3
[pid  5942] <... setpgid resumed>)      = 0
[pid  5941] setpgid(0, 0 <unfinished ...>
[pid  5944] setpgid(0, 0 <unfinished ...>
[pid  5943] write(3, "1000", 4)         = 4
[pid  5943] close(3 <unfinished ...>
[pid  5942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5941] <... setpgid resumed>)      = 0
[pid  5940] write(3, "1000", 4 <unfinished ...>
[pid  5943] <... close resumed>)        = 0
[pid  5943] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5944] <... setpgid resumed>)      = 0
[pid  5943] <... symlink resumed>)      = 0
[pid  5940] <... write resumed>)        = 4
[pid  5943] write(1, "executing program\n", 18 <unfinished ...>
[pid  5944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5942] <... openat resumed>)       = 3
[pid  5941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5940] close(3executing program
 <unfinished ...>
[pid  5943] <... write resumed>)        = 18
[pid  5942] write(3, "1000", 4 <unfinished ...>
[pid  5944] <... openat resumed>)       = 3
[pid  5943] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5942] <... write resumed>)        = 4
[pid  5940] <... close resumed>)        = 0
[pid  5944] write(3, "1000", 4 <unfinished ...>
[pid  5943] <... bpf resumed>)          = 3
[pid  5942] close(3 <unfinished ...>
[pid  5941] <... openat resumed>)       = 3
[pid  5940] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5944] <... write resumed>)        = 4
[pid  5943] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5942] <... close resumed>)        = 0
[pid  5941] write(3, "1000", 4 <unfinished ...>
[pid  5940] <... symlink resumed>)      = 0
executing program
[pid  5944] close(3 <unfinished ...>
[pid  5941] <... write resumed>)        = 4
[pid  5940] write(1, "executing program\n", 18 <unfinished ...>
[pid  5944] <... close resumed>)        = 0
[pid  5941] close(3 <unfinished ...>
[pid  5944] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5941] <... close resumed>)        = 0
[pid  5940] <... write resumed>)        = 18
[pid  5941] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5943] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5942] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5941] <... symlink resumed>)      = 0
[pid  5944] <... symlink resumed>)      = 0
[pid  5943] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5942] <... symlink resumed>)      = 0
[pid  5940] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5944] write(1, "executing program\n", 18 <unfinished ...>
[pid  5943] <... bpf resumed>)          = 4
executing program
[pid  5942] write(1, "executing program\n", 18 <unfinished ...>
executing program
executing program
[pid  5941] write(1, "executing program\n", 18 <unfinished ...>
[pid  5944] <... write resumed>)        = 18
[pid  5940] <... bpf resumed>)          = 3
[pid  5941] <... write resumed>)        = 18
[pid  5942] <... write resumed>)        = 18
[pid  5940] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5944] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5942] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5941] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5944] <... bpf resumed>)          = 3
[pid  5940] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5944] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5943] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5942] <... bpf resumed>)          = 3
[pid  5941] <... bpf resumed>)          = 3
[pid  5940] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5944] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5943] <... bpf resumed>)          = 5
[pid  5942] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5941] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5944] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5943] close(3 <unfinished ...>
[pid  5942] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5940] <... bpf resumed>)          = 4
[pid  5943] <... close resumed>)        = 0
[pid  5942] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5941] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5944] <... bpf resumed>)          = 4
[pid  5943] close(4 <unfinished ...>
[pid  5942] <... bpf resumed>)          = 4
[pid  5940] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5943] <... close resumed>)        = 0
[pid  5943] close(5 <unfinished ...>
[pid  5944] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5943] <... close resumed>)        = 0
[pid  5941] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5942] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5943] close(6 <unfinished ...>
[pid  5940] <... bpf resumed>)          = 5
[pid  5943] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5944] <... bpf resumed>)          = 5
[pid  5943] close(7 <unfinished ...>
[pid  5942] <... bpf resumed>)          = 5
[pid  5940] close(3 <unfinished ...>
[pid  5941] <... bpf resumed>)          = 4
[pid  5944] close(3 <unfinished ...>
[pid  5940] <... close resumed>)        = 0
[pid  5941] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5944] <... close resumed>)        = 0
[pid  5940] close(4 <unfinished ...>
[pid  5941] <... bpf resumed>)          = 5
[pid  5943] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5942] close(3 <unfinished ...>
[pid  5944] close(4 <unfinished ...>
[pid  5943] close(8 <unfinished ...>
[pid  5942] <... close resumed>)        = 0
[pid  5941] close(3 <unfinished ...>
[pid  5940] <... close resumed>)        = 0
[pid  5944] <... close resumed>)        = 0
[pid  5943] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5942] close(4 <unfinished ...>
[pid  5941] <... close resumed>)        = 0
[pid  5940] close(5 <unfinished ...>
[pid  5944] close(5 <unfinished ...>
[pid  5943] close(9 <unfinished ...>
[pid  5942] <... close resumed>)        = 0
[pid  5941] close(4 <unfinished ...>
[pid  5944] <... close resumed>)        = 0
[pid  5943] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5942] close(5 <unfinished ...>
[pid  5940] <... close resumed>)        = 0
[pid  5944] close(6 <unfinished ...>
[pid  5943] close(10 <unfinished ...>
[pid  5942] <... close resumed>)        = 0
[pid  5941] <... close resumed>)        = 0
[pid  5943] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5943] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  5943] close(12 <unfinished ...>
[pid  5942] close(6 <unfinished ...>
[pid  5943] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5944] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5943] close(13 <unfinished ...>
[pid  5941] close(5 <unfinished ...>
[pid  5940] close(6 <unfinished ...>
[pid  5944] close(7 <unfinished ...>
[pid  5942] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5942] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  5942] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  5944] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5941] <... close resumed>)        = 0
[pid  5940] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5944] close(8 <unfinished ...>
[pid  5942] close(9 <unfinished ...>
[pid  5944] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5942] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5940] close(7 <unfinished ...>
[pid  5944] close(9 <unfinished ...>
[pid  5942] close(10 <unfinished ...>
[pid  5940] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5944] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5942] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5941] close(6 <unfinished ...>
[pid  5940] close(8 <unfinished ...>
[pid  5944] close(10 <unfinished ...>
[pid  5943] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5942] close(11 <unfinished ...>
[pid  5941] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5940] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5944] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5943] close(14 <unfinished ...>
[pid  5942] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5940] close(9 <unfinished ...>
[pid  5941] close(7 <unfinished ...>
[pid  5944] close(11 <unfinished ...>
[pid  5943] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5942] close(12 <unfinished ...>
[pid  5940] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5944] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5943] close(15 <unfinished ...>
[pid  5942] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5941] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5940] close(10 <unfinished ...>
[pid  5944] close(12 <unfinished ...>
[pid  5943] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5942] close(13 <unfinished ...>
[pid  5941] close(8 <unfinished ...>
[pid  5940] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5944] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5943] close(16 <unfinished ...>
[pid  5942] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5941] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5940] close(11 <unfinished ...>
[pid  5944] close(13 <unfinished ...>
[pid  5943] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5942] close(14 <unfinished ...>
[pid  5944] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5943] close(17 <unfinished ...>
[pid  5942] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5941] close(9 <unfinished ...>
[pid  5940] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5944] close(14 <unfinished ...>
[pid  5943] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5942] close(15 <unfinished ...>
[pid  5940] close(12 <unfinished ...>
[pid  5941] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5944] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5943] close(18 <unfinished ...>
[pid  5942] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5941] close(10 <unfinished ...>
[pid  5940] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5944] close(15 <unfinished ...>
[pid  5943] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5942] close(16 <unfinished ...>
[pid  5941] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5940] close(13 <unfinished ...>
[pid  5944] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5943] close(19 <unfinished ...>
[pid  5942] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5941] close(11 <unfinished ...>
[pid  5940] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5944] close(16 <unfinished ...>
[pid  5943] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5942] close(17 <unfinished ...>
[pid  5940] close(14 <unfinished ...>
[pid  5941] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5944] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5943] close(20 <unfinished ...>
[pid  5942] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5940] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5944] close(17 <unfinished ...>
[pid  5943] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5942] close(18 <unfinished ...>
[pid  5941] close(12 <unfinished ...>
[pid  5940] close(15 <unfinished ...>
[pid  5944] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5943] close(21 <unfinished ...>
[pid  5942] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5941] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5940] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5944] close(18 <unfinished ...>
[pid  5943] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5942] close(19 <unfinished ...>
[pid  5941] close(13 <unfinished ...>
[pid  5940] close(16 <unfinished ...>
[pid  5944] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5943] close(22 <unfinished ...>
[pid  5942] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5941] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5940] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5944] close(19 <unfinished ...>
[pid  5943] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5942] close(20 <unfinished ...>
[pid  5940] close(17 <unfinished ...>
[pid  5941] close(14 <unfinished ...>
[pid  5944] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5943] close(23 <unfinished ...>
[pid  5942] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5940] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5940] close(18 <unfinished ...>
[pid  5944] close(20 <unfinished ...>
[pid  5943] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5942] close(21 <unfinished ...>
[pid  5941] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5944] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5943] close(24 <unfinished ...>
[pid  5942] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5941] close(15 <unfinished ...>
[pid  5940] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5944] close(21 <unfinished ...>
[pid  5943] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5942] close(22 <unfinished ...>
[pid  5941] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5940] close(19 <unfinished ...>
[pid  5944] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5943] close(25 <unfinished ...>
[pid  5942] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5941] close(16 <unfinished ...>
[pid  5940] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5944] close(22 <unfinished ...>
[pid  5943] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5942] close(23 <unfinished ...>
[pid  5941] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5940] close(20 <unfinished ...>
[pid  5944] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5943] close(26 <unfinished ...>
[pid  5942] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5940] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5941] close(17 <unfinished ...>
[pid  5944] close(23 <unfinished ...>
[pid  5943] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5942] close(24 <unfinished ...>
[pid  5940] close(21 <unfinished ...>
[pid  5941] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5944] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5943] close(27 <unfinished ...>
[pid  5942] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5941] close(18 <unfinished ...>
[pid  5940] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5944] close(24 <unfinished ...>
[pid  5943] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5943] close(28 <unfinished ...>
[pid  5942] close(25 <unfinished ...>
[pid  5943] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5942] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5943] close(29 <unfinished ...>
[pid  5942] close(26 <unfinished ...>
[pid  5943] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5942] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5944] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5943] exit_group(0 <unfinished ...>
[pid  5942] close(27 <unfinished ...>
[pid  5941] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5940] close(22 <unfinished ...>
[pid  5944] close(25 <unfinished ...>
[pid  5941] close(19 <unfinished ...>
[pid  5940] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5944] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5941] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5940] close(23 <unfinished ...>
[pid  5944] close(26 <unfinished ...>
[pid  5941] close(20 <unfinished ...>
[pid  5940] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5944] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5941] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5940] close(24 <unfinished ...>
[pid  5944] close(27 <unfinished ...>
[pid  5941] close(21 <unfinished ...>
[pid  5944] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5940] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5944] close(28 <unfinished ...>
[pid  5941] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5940] close(25 <unfinished ...>
[pid  5944] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5941] close(22 <unfinished ...>
[pid  5940] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5944] close(29 <unfinished ...>
[pid  5941] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5940] close(26 <unfinished ...>
[pid  5944] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5941] close(23 <unfinished ...>
[pid  5940] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5943] <... exit_group resumed>)   = ?
[pid  5942] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5944] exit_group(0 <unfinished ...>
[pid  5943] +++ exited with 0 +++
[pid  5942] close(28 <unfinished ...>
[pid  5941] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5940] close(27 <unfinished ...>
[pid  5944] <... exit_group resumed>)   = ?
[pid  5942] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5941] close(24 <unfinished ...>
[pid  5940] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5942] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  5942] exit_group(0)               = ?
[pid  5944] +++ exited with 0 +++
[pid  5942] +++ exited with 0 +++
[pid  5941] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5940] close(28 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5941] close(25 <unfinished ...>
[pid  5940] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5941] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5940] close(29 <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5941] close(26 <unfinished ...>
[pid  5940] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5941] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5940] exit_group(0 <unfinished ...>
[pid  5941] close(27 <unfinished ...>
[pid  5940] <... exit_group resumed>)   = ?
[pid  5941] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5941] close(28 <unfinished ...>
[pid  5940] +++ exited with 0 +++
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5941] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5941] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  5941] exit_group(0 <unfinished ...>
[pid  5856] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5941] <... exit_group resumed>)   = ?
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5941] +++ exited with 0 +++
[pid  5857] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5856] <... openat resumed>)       = 3
[pid  5855] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] <... openat resumed>)       = 3
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] newfstatat(AT_FDCWD, "./15/binderfs",  <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./15/binderfs",  <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] unlink("./15/binderfs" <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] unlink("./15/binderfs" <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] newfstatat(AT_FDCWD, "./15/binderfs",  <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  5857] getdents64(3, 0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./15/binderfs",  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] close(3 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] unlink("./15/binderfs" <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] close(3 <unfinished ...>
[pid  5855] unlink("./15/binderfs" <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5857] rmdir("./15" <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5855] <... unlink resumed>)       = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5857] mkdir("./16", 0777 <unfinished ...>
[pid  5856] rmdir("./15" <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] <... rmdir resumed>)        = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] close(3 <unfinished ...>
[pid  5856] mkdir("./16", 0777 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] <... close resumed>)        = 0
[pid  5853] rmdir("./15" <unfinished ...>
[pid  5855] rmdir("./15" <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
./strace-static-x86_64: Process 5945 attached
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] <... restart_syscall resumed>) = 0
./strace-static-x86_64: Process 5946 attached
[pid  5945] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 18
[pid  5855] mkdir("./16", 0777 <unfinished ...>
[pid  5853] mkdir("./16", 0777 <unfinished ...>
[pid  5946] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5945] <... set_robust_list resumed>) = 0
[pid  5946] <... set_robust_list resumed>) = 0
[pid  5945] chdir("./16" <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5946] chdir("./16" <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5946] <... chdir resumed>)        = 0
./strace-static-x86_64: Process 5947 attached
[pid  5946] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5945] <... chdir resumed>)        = 0
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 18
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5948 attached
 <unfinished ...>
[pid  5947] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5946] <... prctl resumed>)        = 0
[pid  5945] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5946] setpgid(0, 0 <unfinished ...>
[pid  5948] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5947] <... set_robust_list resumed>) = 0
[pid  5946] <... setpgid resumed>)      = 0
[pid  5945] <... prctl resumed>)        = 0
[pid  5854] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5945] setpgid(0, 0 <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5945] <... setpgid resumed>)      = 0
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 18
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 18
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5948] <... set_robust_list resumed>) = 0
[pid  5947] chdir("./16")               = 0
[pid  5946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5945] <... openat resumed>)       = 3
[pid  5948] chdir("./16" <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5948] <... chdir resumed>)        = 0
[pid  5947] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5948] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5947] <... prctl resumed>)        = 0
[pid  5948] <... prctl resumed>)        = 0
[pid  5947] setpgid(0, 0 <unfinished ...>
[pid  5945] write(3, "1000", 4 <unfinished ...>
[pid  5854] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5948] setpgid(0, 0 <unfinished ...>
[pid  5947] <... setpgid resumed>)      = 0
[pid  5946] <... openat resumed>)       = 3
[pid  5945] <... write resumed>)        = 4
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5948] <... setpgid resumed>)      = 0
[pid  5947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5946] write(3, "1000", 4 <unfinished ...>
[pid  5945] close(3 <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./14/binderfs",  <unfinished ...>
[pid  5948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5946] <... write resumed>)        = 4
[pid  5945] <... close resumed>)        = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5947] <... openat resumed>)       = 3
[pid  5945] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5854] unlink("./14/binderfs"executing program
 <unfinished ...>
[pid  5948] <... openat resumed>)       = 3
[pid  5947] write(3, "1000", 4 <unfinished ...>
[pid  5946] close(3 <unfinished ...>
[pid  5948] write(3, "1000", 4 <unfinished ...>
[pid  5947] <... write resumed>)        = 4
[pid  5946] <... close resumed>)        = 0
[pid  5945] <... symlink resumed>)      = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5948] <... write resumed>)        = 4
[pid  5947] close(3 <unfinished ...>
[pid  5946] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5948] close(3 <unfinished ...>
[pid  5947] <... close resumed>)        = 0
[pid  5945] write(1, "executing program\n", 18 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5948] <... close resumed>)        = 0
[pid  5947] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5946] <... symlink resumed>)      = 0
[pid  5945] <... write resumed>)        = 18
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
executing program
[pid  5948] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5947] <... symlink resumed>)      = 0
[pid  5946] write(1, "executing program\n", 18 <unfinished ...>
[pid  5945] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5854] close(3executing program
 <unfinished ...>
[pid  5948] <... symlink resumed>)      = 0
[pid  5947] write(1, "executing program\n", 18 <unfinished ...>
[pid  5946] <... write resumed>)        = 18
[pid  5945] <... bpf resumed>)          = 3
[pid  5854] <... close resumed>)        = 0
[pid  5947] <... write resumed>)        = 18
[pid  5946] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5945] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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 ...>
executing program
[pid  5854] rmdir("./14" <unfinished ...>
[pid  5948] write(1, "executing program\n", 18 <unfinished ...>
[pid  5947] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5946] <... bpf resumed>)          = 3
[pid  5948] <... write resumed>)        = 18
[pid  5945] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5854] <... rmdir resumed>)        = 0
[pid  5948] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5945] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5948] <... bpf resumed>)          = 3
[pid  5947] <... bpf resumed>)          = 3
[pid  5946] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5945] <... bpf resumed>)          = 4
[pid  5854] mkdir("./15", 0777 <unfinished ...>
[pid  5948] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5947] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5946] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5948] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5946] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5948] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5947] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5947] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5945] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5948] <... bpf resumed>)          = 4
[pid  5946] <... bpf resumed>)          = 4
[pid  5945] <... bpf resumed>)          = 5
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5948] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5947] <... bpf resumed>)          = 4
[pid  5946] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5945] close(3./strace-static-x86_64: Process 5949 attached
)                    = 0
[pid  5945] close(4)                    = 0
[pid  5945] close(5 <unfinished ...>
[pid  5949] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5948] <... bpf resumed>)          = 5
[pid  5947] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5946] <... bpf resumed>)          = 5
[pid  5945] <... close resumed>)        = 0
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 17
[pid  5949] <... set_robust_list resumed>) = 0
[pid  5947] <... bpf resumed>)          = 5
[pid  5946] close(3)                    = 0
[pid  5945] close(6 <unfinished ...>
[pid  5949] chdir("./15" <unfinished ...>
[pid  5948] close(3 <unfinished ...>
[pid  5947] close(3 <unfinished ...>
[pid  5946] close(4 <unfinished ...>
[pid  5945] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5948] <... close resumed>)        = 0
[pid  5947] <... close resumed>)        = 0
[pid  5946] <... close resumed>)        = 0
[pid  5945] close(7 <unfinished ...>
[pid  5948] close(4 <unfinished ...>
[pid  5947] close(4 <unfinished ...>
[pid  5946] close(5 <unfinished ...>
[pid  5945] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5949] <... chdir resumed>)        = 0
[pid  5948] <... close resumed>)        = 0
[pid  5947] <... close resumed>)        = 0
[pid  5946] <... close resumed>)        = 0
[pid  5945] close(8 <unfinished ...>
[pid  5949] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5948] close(5 <unfinished ...>
[pid  5947] close(5 <unfinished ...>
[pid  5945] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5949] <... prctl resumed>)        = 0
[pid  5946] close(6 <unfinished ...>
[pid  5945] close(9 <unfinished ...>
[pid  5948] <... close resumed>)        = 0
[pid  5946] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5945] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5949] setpgid(0, 0 <unfinished ...>
[pid  5946] close(7 <unfinished ...>
[pid  5945] close(10 <unfinished ...>
[pid  5946] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5946] close(8 <unfinished ...>
[pid  5945] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5946] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5945] close(11 <unfinished ...>
[pid  5946] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  5945] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5946] close(10 <unfinished ...>
[pid  5945] close(12 <unfinished ...>
[pid  5946] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5945] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5946] close(11 <unfinished ...>
[pid  5945] close(13 <unfinished ...>
[pid  5946] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5945] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5946] close(12 <unfinished ...>
[pid  5945] close(14 <unfinished ...>
[pid  5946] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5947] <... close resumed>)        = 0
[pid  5945] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5949] <... setpgid resumed>)      = 0
[pid  5948] close(6 <unfinished ...>
[pid  5947] close(6 <unfinished ...>
[pid  5946] close(13 <unfinished ...>
[pid  5945] close(15 <unfinished ...>
[pid  5949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5946] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5945] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5948] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5947] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5946] close(14 <unfinished ...>
[pid  5948] close(7 <unfinished ...>
[pid  5945] close(16 <unfinished ...>
[pid  5948] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5947] close(7 <unfinished ...>
[pid  5946] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5945] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5948] close(8 <unfinished ...>
[pid  5947] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5946] close(15 <unfinished ...>
[pid  5945] close(17 <unfinished ...>
[pid  5949] <... openat resumed>)       = 3
[pid  5948] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5947] close(8 <unfinished ...>
[pid  5946] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5945] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5949] write(3, "1000", 4 <unfinished ...>
[pid  5948] close(9 <unfinished ...>
[pid  5947] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5946] close(16 <unfinished ...>
[pid  5945] close(18 <unfinished ...>
[pid  5949] <... write resumed>)        = 4
[pid  5948] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5947] close(9 <unfinished ...>
[pid  5946] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5945] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5949] close(3 <unfinished ...>
[pid  5948] close(10 <unfinished ...>
[pid  5947] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5948] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5947] close(10 <unfinished ...>
[pid  5949] <... close resumed>)        = 0
[pid  5948] close(11 <unfinished ...>
[pid  5947] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5946] close(17 <unfinished ...>
[pid  5945] close(19 <unfinished ...>
[pid  5949] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5948] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5947] close(11 <unfinished ...>
[pid  5946] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5945] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5948] close(12 <unfinished ...>
[pid  5947] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5946] close(18 <unfinished ...>
[pid  5945] close(20 <unfinished ...>
[pid  5948] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5947] close(12 <unfinished ...>
[pid  5946] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5945] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5948] close(13 <unfinished ...>
[pid  5947] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5946] close(19 <unfinished ...>
[pid  5945] close(21 <unfinished ...>
[pid  5948] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5947] close(13 <unfinished ...>
[pid  5946] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5945] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5948] close(14 <unfinished ...>
[pid  5947] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5946] close(20 <unfinished ...>
[pid  5945] close(22 <unfinished ...>
[pid  5949] <... symlink resumed>)      = 0
[pid  5948] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5947] close(14 <unfinished ...>
[pid  5946] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5945] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5949] write(1, "executing program\n", 18 <unfinished ...>
[pid  5948] close(15 <unfinished ...>
[pid  5947] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5946] close(21 <unfinished ...>
[pid  5945] close(23executing program
 <unfinished ...>
[pid  5948] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5947] close(15 <unfinished ...>
[pid  5946] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5945] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5949] <... write resumed>)        = 18
[pid  5948] close(16 <unfinished ...>
[pid  5947] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5946] close(22 <unfinished ...>
[pid  5945] close(24 <unfinished ...>
[pid  5948] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5947] close(16 <unfinished ...>
[pid  5949] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5948] close(17 <unfinished ...>
[pid  5947] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5946] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5945] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5949] <... bpf resumed>)          = 3
[pid  5948] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5947] close(17 <unfinished ...>
[pid  5946] close(23 <unfinished ...>
[pid  5945] close(25 <unfinished ...>
[pid  5949] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5948] close(18 <unfinished ...>
[pid  5947] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5946] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5945] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5948] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5947] close(18 <unfinished ...>
[pid  5946] close(24 <unfinished ...>
[pid  5945] close(26 <unfinished ...>
[pid  5949] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5948] close(19 <unfinished ...>
[pid  5947] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5946] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5945] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5947] close(19 <unfinished ...>
[pid  5946] close(25 <unfinished ...>
[pid  5945] close(27 <unfinished ...>
[pid  5949] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5948] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5947] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5948] close(20 <unfinished ...>
[pid  5947] close(20 <unfinished ...>
[pid  5948] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5947] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5948] close(21 <unfinished ...>
[pid  5947] close(21 <unfinished ...>
[pid  5948] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5947] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5948] close(22 <unfinished ...>
[pid  5947] close(22 <unfinished ...>
[pid  5948] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5947] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5946] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5945] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5946] close(26 <unfinished ...>
[pid  5945] close(28 <unfinished ...>
[pid  5946] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5945] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5949] <... bpf resumed>)          = 4
[pid  5946] close(27 <unfinished ...>
[pid  5945] close(29 <unfinished ...>
[pid  5946] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5945] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5949] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5948] close(23 <unfinished ...>
[pid  5947] close(23 <unfinished ...>
[pid  5946] close(28 <unfinished ...>
[pid  5945] exit_group(0 <unfinished ...>
[pid  5948] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5947] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5946] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5945] <... exit_group resumed>)   = ?
[pid  5949] <... bpf resumed>)          = 5
[pid  5948] close(24 <unfinished ...>
[pid  5947] close(24 <unfinished ...>
[pid  5946] close(29 <unfinished ...>
[pid  5945] +++ exited with 0 +++
[pid  5949] close(3 <unfinished ...>
[pid  5948] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5947] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5946] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5949] <... close resumed>)        = 0
[pid  5948] close(25 <unfinished ...>
[pid  5947] close(25 <unfinished ...>
[pid  5946] exit_group(0 <unfinished ...>
[pid  5949] close(4 <unfinished ...>
[pid  5948] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5947] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5946] <... exit_group resumed>)   = ?
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5949] <... close resumed>)        = 0
[pid  5948] close(26 <unfinished ...>
[pid  5947] close(26 <unfinished ...>
[pid  5946] +++ exited with 0 +++
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5949] close(5 <unfinished ...>
[pid  5948] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5947] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5948] close(27 <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5948] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5947] close(27 <unfinished ...>
[pid  5948] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  5947] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5948] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  5949] <... close resumed>)        = 0
[pid  5857] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5947] close(28 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5948] exit_group(0 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5948] <... exit_group resumed>)   = ?
[pid  5947] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... openat resumed>)       = 3
[pid  5949] close(6 <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5947] close(29 <unfinished ...>
[pid  5949] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5947] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5947] exit_group(0 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] <... openat resumed>)       = 3
[pid  5857] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5949] close(7 <unfinished ...>
[pid  5948] +++ exited with 0 +++
[pid  5947] <... exit_group resumed>)   = ?
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5949] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(AT_FDCWD, "./16/binderfs",  <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5949] close(8 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5857] unlink("./16/binderfs" <unfinished ...>
[pid  5856] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5949] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5947] +++ exited with 0 +++
[pid  5857] <... unlink resumed>)       = 0
[pid  5949] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5949] close(10 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] newfstatat(AT_FDCWD, "./16/binderfs",  <unfinished ...>
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5949] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] close(3 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5949] close(11 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] unlink("./16/binderfs" <unfinished ...>
[pid  5949] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5949] close(12 <unfinished ...>
[pid  5857] rmdir("./16" <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5949] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... rmdir resumed>)        = 0
[pid  5949] close(13 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5857] mkdir("./17", 0777 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5949] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] close(3 <unfinished ...>
[pid  5949] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  5856] <... close resumed>)        = 0
[pid  5949] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] rmdir("./16"./strace-static-x86_64: Process 5950 attached
 <unfinished ...>
[pid  5949] close(16 <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5949] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5949] close(17 <unfinished ...>
[pid  5856] mkdir("./17", 0777 <unfinished ...>
[pid  5950] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5949] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 19
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5950] <... set_robust_list resumed>) = 0
[pid  5949] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5951 attached
 <unfinished ...>
[pid  5950] chdir("./17" <unfinished ...>
[pid  5949] close(19 <unfinished ...>
[pid  5855] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5951] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5950] <... chdir resumed>)        = 0
[pid  5949] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 19
[pid  5853] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5950] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5949] close(20 <unfinished ...>
[pid  5950] <... prctl resumed>)        = 0
[pid  5949] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5949] close(21 <unfinished ...>
[pid  5951] <... set_robust_list resumed>) = 0
[pid  5950] setpgid(0, 0 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5949] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5951] chdir("./17" <unfinished ...>
[pid  5950] <... setpgid resumed>)      = 0
[pid  5949] close(22 <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5951] <... chdir resumed>)        = 0
[pid  5950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5949] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... openat resumed>)       = 3
[pid  5853] <... openat resumed>)       = 3
[pid  5951] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5949] close(23 <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5951] <... prctl resumed>)        = 0
[pid  5949] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5951] setpgid(0, 0 <unfinished ...>
[pid  5950] <... openat resumed>)       = 3
[pid  5949] close(24 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5951] <... setpgid resumed>)      = 0
[pid  5949] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5950] write(3, "1000", 4 <unfinished ...>
[pid  5949] close(25 <unfinished ...>
[pid  5855] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5950] <... write resumed>)        = 4
[pid  5949] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5949] close(26 <unfinished ...>
[pid  5951] <... openat resumed>)       = 3
[pid  5950] close(3 <unfinished ...>
[pid  5949] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5951] write(3, "1000", 4 <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./16/binderfs",  <unfinished ...>
[pid  5951] <... write resumed>)        = 4
[pid  5950] <... close resumed>)        = 0
[pid  5949] close(27 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5951] close(3 <unfinished ...>
[pid  5950] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5949] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] unlink("./16/binderfs" <unfinished ...>
[pid  5951] <... close resumed>)        = 0
executing program
executing program
[pid  5950] <... symlink resumed>)      = 0
[pid  5949] close(28 <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5951] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5949] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5951] <... symlink resumed>)      = 0
[pid  5950] write(1, "executing program\n", 18 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./16/binderfs",  <unfinished ...>
[pid  5950] <... write resumed>)        = 18
[pid  5949] close(29 <unfinished ...>
[pid  5951] write(1, "executing program\n", 18 <unfinished ...>
[pid  5949] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5951] <... write resumed>)        = 18
[pid  5950] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5951] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5949] exit_group(0 <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5853] unlink("./16/binderfs" <unfinished ...>
[pid  5950] <... bpf resumed>)          = 3
[pid  5855] rmdir("./16" <unfinished ...>
[pid  5951] <... bpf resumed>)          = 3
[pid  5950] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5949] <... exit_group resumed>)   = ?
[pid  5855] <... rmdir resumed>)        = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  5951] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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 EFAULT (Bad address)
[pid  5855] mkdir("./17", 0777 <unfinished ...>
[pid  5951] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5951] <... bpf resumed>)          = 4
[pid  5950] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5949] +++ exited with 0 +++
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5950] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
./strace-static-x86_64: Process 5952 attached
[pid  5950] <... bpf resumed>)          = 4
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] close(3 <unfinished ...>
[pid  5951] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5952] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5951] <... bpf resumed>)          = 5
[pid  5950] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5952] <... set_robust_list resumed>) = 0
[pid  5951] close(3 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 19
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5853] rmdir("./16" <unfinished ...>
[pid  5952] chdir("./17" <unfinished ...>
[pid  5951] <... close resumed>)        = 0
[pid  5950] <... bpf resumed>)          = 5
[pid  5853] <... rmdir resumed>)        = 0
[pid  5952] <... chdir resumed>)        = 0
[pid  5951] close(4 <unfinished ...>
[pid  5950] close(3 <unfinished ...>
[pid  5854] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5952] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5951] <... close resumed>)        = 0
[pid  5950] <... close resumed>)        = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] mkdir("./17", 0777 <unfinished ...>
[pid  5952] <... prctl resumed>)        = 0
[pid  5951] close(5 <unfinished ...>
[pid  5950] close(4 <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5952] setpgid(0, 0 <unfinished ...>
[pid  5950] <... close resumed>)        = 0
[pid  5854] <... openat resumed>)       = 3
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5952] <... setpgid resumed>)      = 0
[pid  5951] <... close resumed>)        = 0
[pid  5950] close(5 <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5951] close(6 <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5951] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5951] close(7 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5951] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5951] close(8 <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5951] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5951] close(9 <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./15/binderfs",  <unfinished ...>
[pid  5951] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5951] close(10)                   = -1 EBADF (Bad file descriptor)
./strace-static-x86_64: Process 5953 attached
[pid  5951] close(11 <unfinished ...>
[pid  5854] unlink("./15/binderfs" <unfinished ...>
[pid  5953] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5951] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5950] <... close resumed>)        = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5950] close(6 <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 19
[pid  5953] <... set_robust_list resumed>) = 0
[pid  5951] close(12 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5953] chdir("./17" <unfinished ...>
[pid  5952] <... openat resumed>)       = 3
[pid  5951] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5950] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5953] <... chdir resumed>)        = 0
[pid  5952] write(3, "1000", 4 <unfinished ...>
[pid  5951] close(13 <unfinished ...>
[pid  5950] close(7 <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5953] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5952] <... write resumed>)        = 4
[pid  5951] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5950] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... close resumed>)        = 0
[pid  5953] <... prctl resumed>)        = 0
[pid  5952] close(3 <unfinished ...>
[pid  5951] close(14 <unfinished ...>
[pid  5950] close(8 <unfinished ...>
[pid  5952] <... close resumed>)        = 0
[pid  5950] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5953] setpgid(0, 0 <unfinished ...>
[pid  5952] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5951] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5950] close(9 <unfinished ...>
[pid  5854] rmdir("./15" <unfinished ...>
[pid  5953] <... setpgid resumed>)      = 0
[pid  5951] close(15 <unfinished ...>
[pid  5950] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... rmdir resumed>)        = 0
[pid  5953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5951] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5950] close(10 <unfinished ...>
[pid  5951] close(16 <unfinished ...>
[pid  5854] mkdir("./16", 0777 <unfinished ...>
[pid  5950] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5953] <... openat resumed>)       = 3
[pid  5951] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5950] close(11 <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5951] close(17 <unfinished ...>
[pid  5950] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5953] write(3, "1000", 4 <unfinished ...>
[pid  5951] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5950] close(12 <unfinished ...>
[pid  5952] <... symlink resumed>)      = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5953] <... write resumed>)        = 4
[pid  5952] write(1, "executing program\n", 18 <unfinished ...>
[pid  5951] close(18executing program
 <unfinished ...>
[pid  5950] <... close resumed>)        = -1 EBADF (Bad file descriptor)
./strace-static-x86_64: Process 5954 attached
[pid  5953] close(3 <unfinished ...>
[pid  5952] <... write resumed>)        = 18
[pid  5951] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5950] close(13 <unfinished ...>
[pid  5951] close(19 <unfinished ...>
[pid  5950] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5954] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5950] close(14 <unfinished ...>
[pid  5952] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5950] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5954] <... set_robust_list resumed>) = 0
[pid  5953] <... close resumed>)        = 0
[pid  5952] <... bpf resumed>)          = 3
[pid  5951] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5950] close(15 <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 18
[pid  5954] chdir("./16" <unfinished ...>
[pid  5953] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5952] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5951] close(20 <unfinished ...>
[pid  5950] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5954] <... chdir resumed>)        = 0
[pid  5953] <... symlink resumed>)      = 0
[pid  5951] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5950] close(16executing program
 <unfinished ...>
[pid  5953] write(1, "executing program\n", 18 <unfinished ...>
[pid  5951] close(21 <unfinished ...>
[pid  5954] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5953] <... write resumed>)        = 18
[pid  5952] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5951] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5950] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5954] <... prctl resumed>)        = 0
[pid  5953] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5952] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5951] close(22 <unfinished ...>
[pid  5950] close(17 <unfinished ...>
[pid  5954] setpgid(0, 0 <unfinished ...>
[pid  5953] <... bpf resumed>)          = 3
[pid  5951] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5950] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5954] <... setpgid resumed>)      = 0
[pid  5953] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5951] close(23 <unfinished ...>
[pid  5950] close(18 <unfinished ...>
[pid  5954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5953] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5951] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5950] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5952] <... bpf resumed>)          = 4
[pid  5951] close(24 <unfinished ...>
[pid  5950] close(19 <unfinished ...>
[pid  5951] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5950] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5953] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5951] close(25 <unfinished ...>
[pid  5954] <... openat resumed>)       = 3
[pid  5952] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5950] close(20 <unfinished ...>
[pid  5954] write(3, "1000", 4 <unfinished ...>
[pid  5950] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5954] <... write resumed>)        = 4
[pid  5954] close(3 <unfinished ...>
[pid  5953] <... bpf resumed>)          = 4
[pid  5952] <... bpf resumed>)          = 5
[pid  5951] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5950] close(21 <unfinished ...>
[pid  5954] <... close resumed>)        = 0
[pid  5951] close(26 <unfinished ...>
[pid  5950] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5954] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5953] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5952] close(3 <unfinished ...>
[pid  5951] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5954] <... symlink resumed>)      = 0
[pid  5953] <... bpf resumed>)          = 5
[pid  5952] <... close resumed>)        = 0
[pid  5951] close(27 <unfinished ...>
[pid  5950] close(22 <unfinished ...>
[pid  5954] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5950] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5952] close(4 <unfinished ...>
[pid  5954] <... write resumed>)        = 18
[pid  5950] close(23 <unfinished ...>
[pid  5952] <... close resumed>)        = 0
[pid  5950] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5951] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5950] close(24 <unfinished ...>
[pid  5954] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5953] close(3 <unfinished ...>
[pid  5951] close(28 <unfinished ...>
[pid  5953] <... close resumed>)        = 0
[pid  5952] close(5 <unfinished ...>
[pid  5951] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5950] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5954] <... bpf resumed>)          = 3
[pid  5953] close(4 <unfinished ...>
[pid  5951] close(29 <unfinished ...>
[pid  5954] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5953] <... close resumed>)        = 0
[pid  5951] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5950] close(25 <unfinished ...>
[pid  5954] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5953] close(5 <unfinished ...>
[pid  5952] <... close resumed>)        = 0
[pid  5951] exit_group(0 <unfinished ...>
[pid  5954] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5953] <... close resumed>)        = 0
[pid  5952] close(6 <unfinished ...>
[pid  5951] <... exit_group resumed>)   = ?
[pid  5950] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5950] close(26 <unfinished ...>
[pid  5952] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5950] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5952] close(7 <unfinished ...>
[pid  5950] close(27 <unfinished ...>
[pid  5954] <... bpf resumed>)          = 4
[pid  5952] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5951] +++ exited with 0 +++
[pid  5950] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5953] close(6 <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5954] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5953] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5952] close(8 <unfinished ...>
[pid  5950] close(28 <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5953] close(7 <unfinished ...>
[pid  5952] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5953] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5950] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5952] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  5950] close(29 <unfinished ...>
[pid  5952] close(10 <unfinished ...>
[pid  5950] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5952] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5954] <... bpf resumed>)          = 5
[pid  5953] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  5953] close(9 <unfinished ...>
[pid  5950] exit_group(0 <unfinished ...>
[pid  5953] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5953] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  5953] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  5953] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  5953] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  5953] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  5953] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  5953] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  5953] close(17 <unfinished ...>
[pid  5954] close(3 <unfinished ...>
[pid  5952] close(11 <unfinished ...>
[pid  5950] <... exit_group resumed>)   = ?
[pid  5954] <... close resumed>)        = 0
[pid  5953] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5953] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  5953] close(19 <unfinished ...>
[pid  5954] close(4 <unfinished ...>
[pid  5953] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5952] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5950] +++ exited with 0 +++
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5954] <... close resumed>)        = 0
[pid  5953] close(20 <unfinished ...>
[pid  5952] close(12 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5954] close(5 <unfinished ...>
[pid  5953] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5952] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5953] close(21 <unfinished ...>
[pid  5954] <... close resumed>)        = 0
[pid  5953] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5952] close(13 <unfinished ...>
[pid  5953] close(22 <unfinished ...>
[pid  5857] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5953] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5954] close(6 <unfinished ...>
[pid  5953] close(23 <unfinished ...>
[pid  5952] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5954] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5953] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5952] close(14 <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5856] <... openat resumed>)       = 3
[pid  5954] close(7 <unfinished ...>
[pid  5953] close(24 <unfinished ...>
[pid  5952] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5954] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5952] close(15 <unfinished ...>
[pid  5954] close(8 <unfinished ...>
[pid  5952] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5954] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5952] close(16 <unfinished ...>
[pid  5954] close(9 <unfinished ...>
[pid  5952] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5954] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5952] close(17 <unfinished ...>
[pid  5954] close(10 <unfinished ...>
[pid  5952] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5954] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5952] close(18 <unfinished ...>
[pid  5954] close(11 <unfinished ...>
[pid  5952] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5954] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5952] close(19 <unfinished ...>
[pid  5954] close(12 <unfinished ...>
[pid  5953] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5952] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5954] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5953] close(25 <unfinished ...>
[pid  5952] close(20 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5954] close(13 <unfinished ...>
[pid  5953] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5952] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5954] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5953] close(26 <unfinished ...>
[pid  5952] close(21 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5954] close(14 <unfinished ...>
[pid  5953] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5952] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5954] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5953] close(27 <unfinished ...>
[pid  5952] close(22 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5954] close(15 <unfinished ...>
[pid  5953] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5952] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(AT_FDCWD, "./17/binderfs",  <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./17/binderfs",  <unfinished ...>
[pid  5954] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5953] close(28 <unfinished ...>
[pid  5952] close(23 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5954] close(16 <unfinished ...>
[pid  5953] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5952] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] unlink("./17/binderfs" <unfinished ...>
[pid  5856] unlink("./17/binderfs" <unfinished ...>
[pid  5954] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5953] close(29 <unfinished ...>
[pid  5952] close(24 <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  5954] close(17 <unfinished ...>
[pid  5953] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5952] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5954] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5953] exit_group(0 <unfinished ...>
[pid  5952] close(25 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5954] close(18 <unfinished ...>
[pid  5953] <... exit_group resumed>)   = ?
[pid  5952] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] close(3 <unfinished ...>
[pid  5954] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5953] +++ exited with 0 +++
[pid  5952] close(26 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5954] close(19 <unfinished ...>
[pid  5952] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... close resumed>)        = 0
[pid  5856] rmdir("./17" <unfinished ...>
[pid  5954] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5952] close(27 <unfinished ...>
[pid  5857] rmdir("./17" <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5954] close(20 <unfinished ...>
[pid  5952] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... rmdir resumed>)        = 0
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5954] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5952] close(28 <unfinished ...>
[pid  5856] mkdir("./18", 0777 <unfinished ...>
[pid  5954] close(21 <unfinished ...>
[pid  5952] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] mkdir("./18", 0777 <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5954] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5952] close(29 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5954] close(22 <unfinished ...>
[pid  5952] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5954] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5952] exit_group(0 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5956 attached
./strace-static-x86_64: Process 5955 attached
 <unfinished ...>
[pid  5954] close(23 <unfinished ...>
[pid  5952] <... exit_group resumed>)   = ?
[pid  5954] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 20
[pid  5956] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5955] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5954] close(24 <unfinished ...>
[pid  5952] +++ exited with 0 +++
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 20
[pid  5956] <... set_robust_list resumed>) = 0
[pid  5955] <... set_robust_list resumed>) = 0
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5956] chdir("./18" <unfinished ...>
[pid  5954] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5956] <... chdir resumed>)        = 0
[pid  5955] chdir("./18" <unfinished ...>
[pid  5954] close(25 <unfinished ...>
[pid  5956] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5955] <... chdir resumed>)        = 0
[pid  5954] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5956] <... prctl resumed>)        = 0
[pid  5955] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5855] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5956] setpgid(0, 0 <unfinished ...>
[pid  5955] <... prctl resumed>)        = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5956] <... setpgid resumed>)      = 0
[pid  5955] setpgid(0, 0 <unfinished ...>
[pid  5954] close(26 <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5954] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5954] close(27 <unfinished ...>
[pid  5956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5955] <... setpgid resumed>)      = 0
[pid  5954] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... openat resumed>)       = 3
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5956] <... openat resumed>)       = 3
[pid  5955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5954] close(28 <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5956] write(3, "1000", 4 <unfinished ...>
[pid  5954] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5956] <... write resumed>)        = 4
[pid  5954] close(29 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5956] close(3 <unfinished ...>
[pid  5954] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5956] <... close resumed>)        = 0
[pid  5956] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5955] <... openat resumed>)       = 3
[pid  5954] exit_group(0 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5955] write(3, "1000", 4)         = 4
[pid  5955] close(3)                    = 0
[pid  5955] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5956] <... symlink resumed>)      = 0
[pid  5955] <... symlink resumed>)      = 0
[pid  5954] <... exit_group resumed>)   = ?
executing program
[pid  5855] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5955] write(1, "executing program\n", 18) = 18
[pid  5955] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3
[pid  5955] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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 ...>
executing program
[pid  5956] write(1, "executing program\n", 18 <unfinished ...>
[pid  5954] +++ exited with 0 +++
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5956] <... write resumed>)        = 18
[pid  5955] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5855] newfstatat(AT_FDCWD, "./17/binderfs",  <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] newfstatat(AT_FDCWD, "./17/binderfs",  <unfinished ...>
[pid  5955] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5956] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5955] <... bpf resumed>)          = 4
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5956] <... bpf resumed>)          = 3
[pid  5855] unlink("./17/binderfs" <unfinished ...>
[pid  5853] unlink("./17/binderfs" <unfinished ...>
[pid  5955] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5854] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5956] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5955] <... bpf resumed>)          = 5
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... unlink resumed>)       = 0
[pid  5956] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5956] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5955] close(3 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5956] <... bpf resumed>)          = 4
[pid  5955] <... close resumed>)        = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... openat resumed>)       = 3
[pid  5955] close(4 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5956] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5955] <... close resumed>)        = 0
[pid  5855] <... close resumed>)        = 0
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5956] <... bpf resumed>)          = 5
[pid  5955] close(5 <unfinished ...>
[pid  5855] rmdir("./17" <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... close resumed>)        = 0
[pid  5955] <... close resumed>)        = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5956] close(3 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] rmdir("./17" <unfinished ...>
[pid  5956] <... close resumed>)        = 0
[pid  5955] close(6 <unfinished ...>
[pid  5855] mkdir("./18", 0777 <unfinished ...>
[pid  5854] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  5956] close(4 <unfinished ...>
[pid  5955] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5956] <... close resumed>)        = 0
[pid  5955] close(7 <unfinished ...>
[pid  5853] mkdir("./18", 0777 <unfinished ...>
[pid  5956] close(5 <unfinished ...>
[pid  5955] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./16/binderfs",  <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
./strace-static-x86_64: Process 5957 attached
[pid  5956] <... close resumed>)        = 0
[pid  5955] close(8 <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5955] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5958 attached
 <unfinished ...>
[pid  5957] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5955] close(9 <unfinished ...>
[pid  5854] unlink("./16/binderfs" <unfinished ...>
[pid  5957] <... set_robust_list resumed>) = 0
[pid  5955] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5957] chdir("./18" <unfinished ...>
[pid  5956] close(6 <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5958] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5957] <... chdir resumed>)        = 0
[pid  5956] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5955] close(10 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 20
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5956] close(7 <unfinished ...>
[pid  5955] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5958] <... set_robust_list resumed>) = 0
[pid  5957] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 20
[pid  5956] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5955] close(11 <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5958] chdir("./18" <unfinished ...>
[pid  5957] <... prctl resumed>)        = 0
[pid  5956] close(8 <unfinished ...>
[pid  5955] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... close resumed>)        = 0
[pid  5957] setpgid(0, 0 <unfinished ...>
[pid  5956] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5955] close(12 <unfinished ...>
[pid  5854] rmdir("./16" <unfinished ...>
[pid  5958] <... chdir resumed>)        = 0
[pid  5957] <... setpgid resumed>)      = 0
[pid  5956] close(9 <unfinished ...>
[pid  5955] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... rmdir resumed>)        = 0
[pid  5958] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5956] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5955] close(13 <unfinished ...>
[pid  5854] mkdir("./17", 0777 <unfinished ...>
[pid  5958] <... prctl resumed>)        = 0
[pid  5957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5956] close(10 <unfinished ...>
[pid  5955] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... mkdir resumed>)        = 0
[pid  5958] setpgid(0, 0 <unfinished ...>
[pid  5957] <... openat resumed>)       = 3
[pid  5956] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5955] close(14 <unfinished ...>
[pid  5958] <... setpgid resumed>)      = 0
[pid  5957] write(3, "1000", 4 <unfinished ...>
[pid  5956] close(11 <unfinished ...>
[pid  5955] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5959 attached
 <unfinished ...>
[pid  5958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5957] <... write resumed>)        = 4
[pid  5956] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5955] close(15 <unfinished ...>
[pid  5957] close(3 <unfinished ...>
[pid  5956] close(12 <unfinished ...>
[pid  5955] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5957] <... close resumed>)        = 0
[pid  5955] close(16 <unfinished ...>
[pid  5956] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5955] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5955] close(17 <unfinished ...>
[pid  5956] close(13 <unfinished ...>
[pid  5955] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5956] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5955] close(18 <unfinished ...>
[pid  5956] close(14 <unfinished ...>
[pid  5955] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5956] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5955] close(19 <unfinished ...>
[pid  5956] close(15 <unfinished ...>
[pid  5955] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 19
[pid  5956] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5955] close(20 <unfinished ...>
[pid  5959] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5958] <... openat resumed>)       = 3
[pid  5957] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5956] close(16 <unfinished ...>
[pid  5955] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5959] <... set_robust_list resumed>) = 0
[pid  5958] write(3, "1000", 4 <unfinished ...>
[pid  5956] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5955] close(21 <unfinished ...>
[pid  5957] <... symlink resumed>)      = 0
[pid  5956] close(17 <unfinished ...>
[pid  5955] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  5959] chdir("./17" <unfinished ...>
[pid  5958] <... write resumed>)        = 4
[pid  5957] write(1, "executing program\n", 18 <unfinished ...>
[pid  5956] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5955] close(22 <unfinished ...>
[pid  5959] <... chdir resumed>)        = 0
[pid  5958] close(3 <unfinished ...>
[pid  5957] <... write resumed>)        = 18
[pid  5956] close(18 <unfinished ...>
[pid  5955] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5959] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5958] <... close resumed>)        = 0
[pid  5957] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5956] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5955] close(23 <unfinished ...>
[pid  5959] <... prctl resumed>)        = 0
[pid  5958] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5957] <... bpf resumed>)          = 3
[pid  5956] close(19 <unfinished ...>
[pid  5955] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5956] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5958] <... symlink resumed>)      = 0
[pid  5956] close(20 <unfinished ...>
[pid  5955] close(24 <unfinished ...>
[pid  5959] setpgid(0, 0 <unfinished ...>
executing program
[pid  5957] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5956] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5955] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5959] <... setpgid resumed>)      = 0
[pid  5958] write(1, "executing program\n", 18 <unfinished ...>
[pid  5957] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5957] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5956] close(21 <unfinished ...>
[pid  5955] close(25 <unfinished ...>
[pid  5959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5958] <... write resumed>)        = 18
[pid  5956] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5955] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5956] close(22 <unfinished ...>
[pid  5955] close(26 <unfinished ...>
[pid  5956] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5955] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5956] close(23 <unfinished ...>
[pid  5955] close(27 <unfinished ...>
[pid  5957] <... bpf resumed>)          = 4
[pid  5956] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5955] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5958] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5959] <... openat resumed>)       = 3
[pid  5956] close(24 <unfinished ...>
[pid  5955] close(28 <unfinished ...>
[pid  5956] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5955] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5956] close(25 <unfinished ...>
[pid  5955] close(29 <unfinished ...>
[pid  5956] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5955] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5956] close(26 <unfinished ...>
[pid  5959] write(3, "1000", 4 <unfinished ...>
[pid  5958] <... bpf resumed>)          = 3
[pid  5957] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5955] exit_group(0 <unfinished ...>
[pid  5959] <... write resumed>)        = 4
[pid  5958] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5956] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5955] <... exit_group resumed>)   = ?
[pid  5959] close(3 <unfinished ...>
[pid  5958] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5957] <... bpf resumed>)          = 5
[pid  5956] close(27 <unfinished ...>
[pid  5955] +++ exited with 0 +++
[pid  5959] <... close resumed>)        = 0
[pid  5958] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5957] close(3 <unfinished ...>
[pid  5956] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5959] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5956] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  5956] close(29 <unfinished ...>
[pid  5959] <... symlink resumed>)      = 0
[pid  5956] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5956] exit_group(0 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5956] <... exit_group resumed>)   = ?
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5957] <... close resumed>)        = 0
[pid  5857] <... restart_syscall resumed>) = 0
executing program
[pid  5959] write(1, "executing program\n", 18 <unfinished ...>
[pid  5957] close(4 <unfinished ...>
[pid  5959] <... write resumed>)        = 18
[pid  5957] <... close resumed>)        = 0
[pid  5957] close(5 <unfinished ...>
[pid  5959] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5958] <... bpf resumed>)          = 4
[pid  5957] <... close resumed>)        = 0
[pid  5956] +++ exited with 0 +++
[pid  5959] <... bpf resumed>)          = 3
[pid  5959] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5958] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5957] close(6 <unfinished ...>
[pid  5857] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5959] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5957] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5959] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5958] <... bpf resumed>)          = 5
[pid  5957] close(7 <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5959] <... bpf resumed>)          = 4
[pid  5957] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5958] close(3 <unfinished ...>
[pid  5957] close(8 <unfinished ...>
[pid  5959] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5957] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5957] close(9 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5957] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5958] <... close resumed>)        = 0
[pid  5957] close(10 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5959] <... bpf resumed>)          = 5
[pid  5958] close(4 <unfinished ...>
[pid  5957] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5958] <... close resumed>)        = 0
[pid  5857] newfstatat(AT_FDCWD, "./18/binderfs",  <unfinished ...>
[pid  5958] close(5 <unfinished ...>
[pid  5957] close(11 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5959] close(3 <unfinished ...>
[pid  5958] <... close resumed>)        = 0
[pid  5957] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5959] <... close resumed>)        = 0
[pid  5957] close(12 <unfinished ...>
[pid  5857] unlink("./18/binderfs" <unfinished ...>
[pid  5959] close(4 <unfinished ...>
[pid  5957] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5958] close(6 <unfinished ...>
[pid  5957] close(13 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5959] <... close resumed>)        = 0
[pid  5958] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5957] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5959] close(5 <unfinished ...>
[pid  5958] close(7 <unfinished ...>
[pid  5957] close(14 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5958] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5957] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5958] close(8 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5958] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] close(3 <unfinished ...>
[pid  5958] close(9 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5958] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5959] <... close resumed>)        = 0
[pid  5959] close(6 <unfinished ...>
[pid  5958] close(10 <unfinished ...>
[pid  5957] close(15 <unfinished ...>
[pid  5857] rmdir("./18" <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5959] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5958] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5957] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5959] close(7 <unfinished ...>
[pid  5958] close(11 <unfinished ...>
[pid  5957] close(16 <unfinished ...>
[pid  5959] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5958] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] mkdir("./19", 0777 <unfinished ...>
[pid  5856] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5957] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5959] close(8 <unfinished ...>
[pid  5958] close(12 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5957] close(17 <unfinished ...>
[pid  5958] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] newfstatat(AT_FDCWD, "./18/binderfs",  <unfinished ...>
[pid  5958] close(13 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
./strace-static-x86_64: Process 5960 attached
[pid  5959] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5958] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5957] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5959] close(9 <unfinished ...>
[pid  5958] close(14 <unfinished ...>
[pid  5957] close(18 <unfinished ...>
[pid  5856] unlink("./18/binderfs" <unfinished ...>
[pid  5960] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5959] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5957] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5960] <... set_robust_list resumed>) = 0
[pid  5959] close(10 <unfinished ...>
[pid  5957] close(19 <unfinished ...>
[pid  5959] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5957] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5959] close(11 <unfinished ...>
[pid  5957] close(20 <unfinished ...>
[pid  5959] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5957] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5959] close(12 <unfinished ...>
[pid  5957] close(21 <unfinished ...>
[pid  5959] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5957] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5960] chdir("./19" <unfinished ...>
[pid  5959] close(13 <unfinished ...>
[pid  5958] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5957] close(22 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 21
[pid  5856] <... unlink resumed>)       = 0
[pid  5960] <... chdir resumed>)        = 0
[pid  5959] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5958] close(15 <unfinished ...>
[pid  5957] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5960] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5959] close(14 <unfinished ...>
[pid  5958] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5957] close(23 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5960] <... prctl resumed>)        = 0
[pid  5959] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5958] close(16 <unfinished ...>
[pid  5957] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] close(3 <unfinished ...>
[pid  5960] setpgid(0, 0 <unfinished ...>
[pid  5959] close(15 <unfinished ...>
[pid  5958] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5957] close(24 <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5960] <... setpgid resumed>)      = 0
[pid  5959] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5958] close(17 <unfinished ...>
[pid  5856] rmdir("./18" <unfinished ...>
[pid  5958] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5957] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... rmdir resumed>)        = 0
[pid  5960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5959] close(16 <unfinished ...>
[pid  5958] close(18 <unfinished ...>
[pid  5957] close(25 <unfinished ...>
[pid  5959] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5958] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5957] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] mkdir("./19", 0777 <unfinished ...>
[pid  5960] <... openat resumed>)       = 3
[pid  5959] close(17 <unfinished ...>
[pid  5958] close(19 <unfinished ...>
[pid  5957] close(26 <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5960] write(3, "1000", 4 <unfinished ...>
[pid  5959] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5958] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5957] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5960] <... write resumed>)        = 4
[pid  5959] close(18 <unfinished ...>
[pid  5958] close(20 <unfinished ...>
[pid  5957] close(27 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5960] close(3 <unfinished ...>
[pid  5959] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5958] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5957] <... close resumed>)        = -1 EBADF (Bad file descriptor)
./strace-static-x86_64: Process 5961 attached
[pid  5960] <... close resumed>)        = 0
[pid  5959] close(19 <unfinished ...>
[pid  5958] close(21 <unfinished ...>
[pid  5957] close(28 <unfinished ...>
[pid  5958] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5958] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  5958] close(23 <unfinished ...>
[pid  5961] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5960] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5959] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5958] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5957] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 21
[pid  5961] <... set_robust_list resumed>) = 0
[pid  5960] <... symlink resumed>)      = 0
[pid  5959] close(20 <unfinished ...>
[pid  5958] close(24 <unfinished ...>
[pid  5957] close(29 <unfinished ...>
[pid  5959] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5958] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5957] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5959] close(21 <unfinished ...>
[pid  5958] close(25executing program
 <unfinished ...>
[pid  5960] write(1, "executing program\n", 18 <unfinished ...>
[pid  5959] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5958] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5957] exit_group(0 <unfinished ...>
[pid  5959] close(22 <unfinished ...>
[pid  5958] close(26 <unfinished ...>
[pid  5961] chdir("./19" <unfinished ...>
[pid  5960] <... write resumed>)        = 18
[pid  5959] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5958] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5957] <... exit_group resumed>)   = ?
[pid  5959] close(23 <unfinished ...>
[pid  5958] close(27 <unfinished ...>
[pid  5959] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5958] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5959] close(24 <unfinished ...>
[pid  5958] close(28 <unfinished ...>
[pid  5959] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5961] <... chdir resumed>)        = 0
[pid  5959] close(25 <unfinished ...>
[pid  5961] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5958] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5958] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  5960] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5958] exit_group(0)               = ?
[pid  5957] +++ exited with 0 +++
[pid  5961] <... prctl resumed>)        = 0
[pid  5960] <... bpf resumed>)          = 3
[pid  5959] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5958] +++ exited with 0 +++
[pid  5961] setpgid(0, 0 <unfinished ...>
[pid  5960] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5959] close(26 <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5961] <... setpgid resumed>)      = 0
[pid  5959] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5959] close(27 <unfinished ...>
[pid  5960] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5959] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5960] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5959] close(28 <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5961] <... openat resumed>)       = 3
[pid  5959] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5961] write(3, "1000", 4 <unfinished ...>
[pid  5959] close(29 <unfinished ...>
[pid  5961] <... write resumed>)        = 4
[pid  5960] <... bpf resumed>)          = 4
[pid  5959] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5961] close(3 <unfinished ...>
[pid  5959] exit_group(0 <unfinished ...>
[pid  5961] <... close resumed>)        = 0
[pid  5961] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5959] <... exit_group resumed>)   = ?
[pid  5961] <... symlink resumed>)      = 0
executing program
[pid  5960] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5959] +++ exited with 0 +++
[pid  5961] write(1, "executing program\n", 18 <unfinished ...>
[pid  5855] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5961] <... write resumed>)        = 18
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5961] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5960] <... bpf resumed>)          = 5
[pid  5855] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5961] <... bpf resumed>)          = 3
[pid  5960] close(3 <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5960] <... close resumed>)        = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5960] close(4 <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5960] <... close resumed>)        = 0
[pid  5961] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5960] close(5 <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5853] <... openat resumed>)       = 3
[pid  5961] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5960] <... close resumed>)        = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5961] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5960] close(6 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5961] <... bpf resumed>)          = 4
[pid  5960] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5960] close(7 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5960] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5960] close(8 <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5960] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] newfstatat(AT_FDCWD, "./17/binderfs",  <unfinished ...>
[pid  5960] close(9 <unfinished ...>
[pid  5961] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5960] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5961] <... bpf resumed>)          = 5
[pid  5960] close(10 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] unlink("./17/binderfs" <unfinished ...>
[pid  5853] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5960] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] newfstatat(AT_FDCWD, "./18/binderfs",  <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5961] close(3 <unfinished ...>
[pid  5960] close(11 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] newfstatat(AT_FDCWD, "./18/binderfs",  <unfinished ...>
[pid  5961] <... close resumed>)        = 0
[pid  5960] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] unlink("./18/binderfs" <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5961] close(4 <unfinished ...>
[pid  5960] close(12 <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] unlink("./18/binderfs" <unfinished ...>
[pid  5961] <... close resumed>)        = 0
[pid  5960] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5961] close(5 <unfinished ...>
[pid  5960] close(13 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... close resumed>)        = 0
[pid  5961] <... close resumed>)        = 0
[pid  5960] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] rmdir("./17" <unfinished ...>
[pid  5960] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  5855] close(3 <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5961] close(6 <unfinished ...>
[pid  5960] close(15 <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5961] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5960] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] rmdir("./18" <unfinished ...>
[pid  5854] mkdir("./18", 0777 <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5961] close(7 <unfinished ...>
[pid  5960] close(16 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  5853] <... close resumed>)        = 0
[pid  5961] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5960] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] mkdir("./19", 0777 <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] rmdir("./18" <unfinished ...>
[pid  5961] close(8 <unfinished ...>
[pid  5960] close(17 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  5961] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5960] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] mkdir("./19", 0777./strace-static-x86_64: Process 5963 attached
./strace-static-x86_64: Process 5962 attached
 <unfinished ...>
[pid  5961] close(9 <unfinished ...>
[pid  5960] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  5960] close(19 <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5963] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5962] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5961] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5960] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5963] <... set_robust_list resumed>) = 0
[pid  5962] <... set_robust_list resumed>) = 0
[pid  5961] close(10 <unfinished ...>
[pid  5960] close(20 <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 20
[pid  5963] chdir("./19" <unfinished ...>
[pid  5961] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5960] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 21
./strace-static-x86_64: Process 5964 attached
[pid  5960] close(21 <unfinished ...>
[pid  5964] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5963] <... chdir resumed>)        = 0
[pid  5961] close(11 <unfinished ...>
[pid  5960] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5964] <... set_robust_list resumed>) = 0
[pid  5963] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5962] chdir("./18" <unfinished ...>
[pid  5961] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5960] close(22 <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 21
[pid  5964] chdir("./19" <unfinished ...>
[pid  5963] <... prctl resumed>)        = 0
[pid  5961] close(12 <unfinished ...>
[pid  5963] setpgid(0, 0 <unfinished ...>
[pid  5961] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5964] <... chdir resumed>)        = 0
[pid  5963] <... setpgid resumed>)      = 0
[pid  5962] <... chdir resumed>)        = 0
[pid  5961] close(13 <unfinished ...>
[pid  5960] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5964] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5962] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5961] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5960] close(23 <unfinished ...>
[pid  5964] <... prctl resumed>)        = 0
[pid  5962] <... prctl resumed>)        = 0
[pid  5960] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5964] setpgid(0, 0 <unfinished ...>
[pid  5963] <... openat resumed>)       = 3
[pid  5962] setpgid(0, 0 <unfinished ...>
[pid  5961] close(14 <unfinished ...>
[pid  5960] close(24 <unfinished ...>
[pid  5964] <... setpgid resumed>)      = 0
[pid  5962] <... setpgid resumed>)      = 0
[pid  5960] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5961] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5960] close(25 <unfinished ...>
[pid  5963] write(3, "1000", 4 <unfinished ...>
[pid  5961] close(15 <unfinished ...>
[pid  5960] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5963] <... write resumed>)        = 4
[pid  5961] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5963] close(3 <unfinished ...>
[pid  5961] close(16 <unfinished ...>
[pid  5960] close(26 <unfinished ...>
[pid  5963] <... close resumed>)        = 0
[pid  5962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5961] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5964] <... openat resumed>)       = 3
[pid  5963] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5961] close(17 <unfinished ...>
[pid  5960] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  5964] write(3, "1000", 4 <unfinished ...>
[pid  5963] <... symlink resumed>)      = 0
[pid  5962] <... openat resumed>)       = 3
[pid  5961] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5960] close(27 <unfinished ...>
[pid  5964] <... write resumed>)        = 4
[pid  5961] close(18 <unfinished ...>
[pid  5960] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5964] close(3 <unfinished ...>
[pid  5963] write(1, "executing program\n", 18 <unfinished ...>
[pid  5962] write(3, "1000", 4 <unfinished ...>
[pid  5961] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5960] close(28 <unfinished ...>
[pid  5963] <... write resumed>)        = 18
[pid  5961] close(19 <unfinished ...>
[pid  5963] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5961] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5964] <... close resumed>)        = 0
[pid  5962] <... write resumed>)        = 4
[pid  5961] close(20 <unfinished ...>
[pid  5960] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5964] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5963] <... bpf resumed>)          = 3
[pid  5962] close(3 <unfinished ...>
[pid  5961] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5960] close(29 <unfinished ...>
[pid  5963] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5961] close(21 <unfinished ...>
[pid  5964] <... symlink resumed>)      = 0
[pid  5963] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5962] <... close resumed>)        = 0
[pid  5961] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  5960] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5964] write(1, "executing program\n", 18 <unfinished ...>
[pid  5963] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5962] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5961] close(22 <unfinished ...>
[pid  5964] <... write resumed>)        = 18
[pid  5963] <... bpf resumed>)          = 4
[pid  5961] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5960] exit_group(0 <unfinished ...>
[pid  5962] <... symlink resumed>)      = 0
[pid  5961] close(23 <unfinished ...>
executing program
[pid  5964] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5960] <... exit_group resumed>)   = ?
[pid  5963] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5962] write(1, "executing program\n", 18 <unfinished ...>
[pid  5961] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5963] <... bpf resumed>)          = 5
[pid  5961] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  5961] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  5963] close(3 <unfinished ...>
[pid  5961] close(26 <unfinished ...>
[pid  5963] <... close resumed>)        = 0
[pid  5961] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5960] +++ exited with 0 +++
[pid  5962] <... write resumed>)        = 18
[pid  5961] close(27 <unfinished ...>
[pid  5963] close(4 <unfinished ...>
[pid  5961] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5964] <... bpf resumed>)          = 3
[pid  5963] <... close resumed>)        = 0
[pid  5962] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5961] close(28 <unfinished ...>
[pid  5964] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5963] close(5 <unfinished ...>
[pid  5961] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5964] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5963] <... close resumed>)        = 0
[pid  5962] <... bpf resumed>)          = 3
[pid  5961] close(29 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5962] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5964] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5963] close(6 <unfinished ...>
[pid  5961] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5963] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5962] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5961] exit_group(0 <unfinished ...>
[pid  5963] close(7 <unfinished ...>
[pid  5961] <... exit_group resumed>)   = ?
[pid  5964] <... bpf resumed>)          = 4
[pid  5963] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5962] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5961] +++ exited with 0 +++
[pid  5964] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5963] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  5963] close(9 <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5963] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5963] close(10 <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5963] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5963] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  5963] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  5963] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  5963] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  5964] <... bpf resumed>)          = 5
[pid  5963] close(15 <unfinished ...>
[pid  5962] <... bpf resumed>)          = 4
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5963] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5963] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  5963] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  5963] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  5964] close(3 <unfinished ...>
[pid  5963] close(19 <unfinished ...>
[pid  5962] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5964] <... close resumed>)        = 0
[pid  5963] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5964] close(4 <unfinished ...>
[pid  5963] close(20 <unfinished ...>
[pid  5962] <... bpf resumed>)          = 5
[pid  5857] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5964] <... close resumed>)        = 0
[pid  5963] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5963] close(21 <unfinished ...>
[pid  5962] close(3 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5964] close(5 <unfinished ...>
[pid  5963] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5962] <... close resumed>)        = 0
[pid  5857] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5964] <... close resumed>)        = 0
[pid  5963] close(22 <unfinished ...>
[pid  5962] close(4 <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5963] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5963] close(23 <unfinished ...>
[pid  5962] <... close resumed>)        = 0
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5964] close(6 <unfinished ...>
[pid  5963] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5964] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5963] close(24 <unfinished ...>
[pid  5964] close(7 <unfinished ...>
[pid  5963] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5964] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5963] close(25 <unfinished ...>
[pid  5962] close(5 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5964] close(8 <unfinished ...>
[pid  5963] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5964] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5963] close(26 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5964] close(9 <unfinished ...>
[pid  5963] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5964] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5963] close(27 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5857] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5964] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  5963] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5964] close(11 <unfinished ...>
[pid  5963] close(28 <unfinished ...>
[pid  5964] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5963] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5964] close(12 <unfinished ...>
[pid  5963] close(29 <unfinished ...>
[pid  5964] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5963] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5964] close(13 <unfinished ...>
[pid  5963] exit_group(0 <unfinished ...>
[pid  5962] <... close resumed>)        = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5962] close(6 <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./19/binderfs",  <unfinished ...>
[pid  5856] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5962] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5962] close(7 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] unlink("./19/binderfs" <unfinished ...>
[pid  5964] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5963] <... exit_group resumed>)   = ?
[pid  5962] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] newfstatat(AT_FDCWD, "./19/binderfs",  <unfinished ...>
[pid  5964] close(14 <unfinished ...>
[pid  5963] +++ exited with 0 +++
[pid  5962] close(8 <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5964] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5962] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5964] close(15 <unfinished ...>
[pid  5962] close(9 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5964] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5962] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] close(3 <unfinished ...>
[pid  5856] unlink("./19/binderfs" <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5964] close(16 <unfinished ...>
[pid  5962] close(10 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5964] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... unlink resumed>)       = 0
[pid  5964] close(17 <unfinished ...>
[pid  5962] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] rmdir("./19" <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5964] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5962] close(11 <unfinished ...>
[pid  5964] close(18 <unfinished ...>
[pid  5962] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... rmdir resumed>)        = 0
[pid  5964] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5962] close(12 <unfinished ...>
[pid  5857] mkdir("./20", 0777 <unfinished ...>
[pid  5964] close(19 <unfinished ...>
[pid  5962] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5964] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5962] close(13 <unfinished ...>
[pid  5964] close(20 <unfinished ...>
[pid  5962] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5964] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5962] close(14 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5964] close(21 <unfinished ...>
[pid  5962] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5964] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5964] close(22 <unfinished ...>
[pid  5962] close(15 <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5964] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5962] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5964] close(23 <unfinished ...>
[pid  5962] close(16 <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5964] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5962] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] rmdir("./19" <unfinished ...>
[pid  5964] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  5964] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  5964] close(26./strace-static-x86_64: Process 5965 attached
)                   = -1 EBADF (Bad file descriptor)
[pid  5962] close(17 <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5962] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] mkdir("./20", 0777 <unfinished ...>
[pid  5962] close(18 <unfinished ...>
[pid  5964] close(27 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 22
[pid  5965] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5964] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5962] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... mkdir resumed>)        = 0
[pid  5965] <... set_robust_list resumed>) = 0
[pid  5964] close(28 <unfinished ...>
[pid  5962] close(19 <unfinished ...>
[pid  5964] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5962] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5964] close(29 <unfinished ...>
[pid  5855] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5964] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5962] close(20 <unfinished ...>
[pid  5965] chdir("./20" <unfinished ...>
[pid  5964] exit_group(0 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5962] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5964] <... exit_group resumed>)   = ?
./strace-static-x86_64: Process 5966 attached
[pid  5965] <... chdir resumed>)        = 0
[pid  5962] close(21 <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5962] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5966] set_robust_list(0x555562c7b660, 24) = 0
[pid  5965] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5964] +++ exited with 0 +++
[pid  5962] close(22 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 22
[pid  5855] <... openat resumed>)       = 3
[pid  5966] chdir("./20" <unfinished ...>
[pid  5965] <... prctl resumed>)        = 0
[pid  5962] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5965] setpgid(0, 0 <unfinished ...>
[pid  5962] close(23 <unfinished ...>
[pid  5966] <... chdir resumed>)        = 0
[pid  5965] <... setpgid resumed>)      = 0
[pid  5962] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5966] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5962] close(24 <unfinished ...>
[pid  5965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5966] <... prctl resumed>)        = 0
[pid  5962] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5966] setpgid(0, 0 <unfinished ...>
[pid  5962] close(25 <unfinished ...>
[pid  5966] <... setpgid resumed>)      = 0
[pid  5962] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5962] close(26 <unfinished ...>
[pid  5853] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5965] <... openat resumed>)       = 3
[pid  5962] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5965] write(3, "1000", 4 <unfinished ...>
[pid  5962] close(27 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5965] <... write resumed>)        = 4
[pid  5962] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5966] <... openat resumed>)       = 3
[pid  5965] close(3 <unfinished ...>
[pid  5962] close(28 <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./19/binderfs",  <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5966] write(3, "1000", 4 <unfinished ...>
[pid  5965] <... close resumed>)        = 0
[pid  5962] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5966] <... write resumed>)        = 4
[pid  5965] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5962] close(29 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5966] close(3 <unfinished ...>
[pid  5962] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5966] <... close resumed>)        = 0
[pid  5966] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5962] exit_group(0executing program
 <unfinished ...>
[pid  5855] unlink("./19/binderfs" <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5966] <... symlink resumed>)      = 0
[pid  5966] write(1, "executing program\n", 18 <unfinished ...>
[pid  5965] <... symlink resumed>)      = 0
[pid  5966] <... write resumed>)        = 18
[pid  5966] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5965] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5962] <... exit_group resumed>)   = ?
[pid  5855] <... unlink resumed>)       = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5965] <... write resumed>)        = 18
[pid  5966] <... bpf resumed>)          = 3
[pid  5966] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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 EFAULT (Bad address)
[pid  5966] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5965] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5962] +++ exited with 0 +++
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5965] <... bpf resumed>)          = 3
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5966] <... bpf resumed>)          = 4
[pid  5966] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5965] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5966] <... bpf resumed>)          = 5
[pid  5965] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5855] close(3 <unfinished ...>
[pid  5853] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./19/binderfs",  <unfinished ...>
[pid  5965] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5855] rmdir("./19" <unfinished ...>
[pid  5966] close(3 <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5966] <... close resumed>)        = 0
[pid  5965] <... bpf resumed>)          = 4
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] unlink("./19/binderfs" <unfinished ...>
[pid  5966] close(4 <unfinished ...>
[pid  5965] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5855] mkdir("./20", 0777 <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5853] <... unlink resumed>)       = 0
[pid  5966] <... close resumed>)        = 0
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5965] <... bpf resumed>)          = 5
[pid  5966] close(5 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5966] <... close resumed>)        = 0
[pid  5965] close(3 <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5966] close(6 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5966] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... close resumed>)        = 0
./strace-static-x86_64: Process 5967 attached
[pid  5966] close(7 <unfinished ...>
[pid  5965] <... close resumed>)        = 0
[pid  5854] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] rmdir("./19" <unfinished ...>
[pid  5966] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5965] close(4 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 22
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... rmdir resumed>)        = 0
[pid  5966] close(8 <unfinished ...>
[pid  5965] <... close resumed>)        = 0
[pid  5854] newfstatat(AT_FDCWD, "./18/binderfs",  <unfinished ...>
[pid  5965] close(5 <unfinished ...>
[pid  5967] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5966] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] mkdir("./20", 0777 <unfinished ...>
[pid  5967] <... set_robust_list resumed>) = 0
[pid  5966] close(9 <unfinished ...>
[pid  5965] <... close resumed>)        = 0
[pid  5854] unlink("./18/binderfs" <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5966] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5967] chdir("./20" <unfinished ...>
[pid  5966] close(10 <unfinished ...>
[pid  5965] close(6 <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5967] <... chdir resumed>)        = 0
[pid  5966] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5965] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5966] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5966] close(12 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5966] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] close(3 <unfinished ...>
[pid  5966] close(13 <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5966] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5966] close(14 <unfinished ...>
[pid  5854] rmdir("./18" <unfinished ...>
[pid  5966] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... rmdir resumed>)        = 0
[pid  5966] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  5966] close(16 <unfinished ...>
[pid  5854] mkdir("./19", 0777 <unfinished ...>
[pid  5966] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... mkdir resumed>)        = 0
[pid  5966] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  5966] close(18./strace-static-x86_64: Process 5968 attached
 <unfinished ...>
[pid  5967] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5966] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5965] close(7 <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5968] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5967] <... prctl resumed>)        = 0
[pid  5966] close(19 <unfinished ...>
[pid  5965] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 22
./strace-static-x86_64: Process 5969 attached
[pid  5968] <... set_robust_list resumed>) = 0
[pid  5967] setpgid(0, 0 <unfinished ...>
[pid  5966] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5965] close(8 <unfinished ...>
[pid  5969] set_robust_list(0x555562c7b660, 24) = 0
[pid  5969] chdir("./19")               = 0
[pid  5968] chdir("./20" <unfinished ...>
[pid  5967] <... setpgid resumed>)      = 0
[pid  5966] close(20 <unfinished ...>
[pid  5965] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 21
[pid  5968] <... chdir resumed>)        = 0
[pid  5966] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5965] close(9 <unfinished ...>
[pid  5966] close(21 <unfinished ...>
[pid  5965] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5966] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5968] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5965] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  5968] <... prctl resumed>)        = 0
[pid  5966] close(22 <unfinished ...>
[pid  5965] close(11 <unfinished ...>
[pid  5969] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5966] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5965] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5969] <... prctl resumed>)        = 0
[pid  5968] setpgid(0, 0 <unfinished ...>
[pid  5967] <... openat resumed>)       = 3
[pid  5966] close(23 <unfinished ...>
[pid  5965] close(12 <unfinished ...>
[pid  5969] setpgid(0, 0 <unfinished ...>
[pid  5968] <... setpgid resumed>)      = 0
[pid  5967] write(3, "1000", 4 <unfinished ...>
[pid  5966] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5965] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5969] <... setpgid resumed>)      = 0
[pid  5967] <... write resumed>)        = 4
[pid  5966] close(24 <unfinished ...>
[pid  5969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5967] close(3 <unfinished ...>
[pid  5966] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5965] close(13 <unfinished ...>
[pid  5969] <... openat resumed>)       = 3
[pid  5968] <... openat resumed>)       = 3
[pid  5967] <... close resumed>)        = 0
[pid  5966] close(25 <unfinished ...>
[pid  5965] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5966] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5965] close(14 <unfinished ...>
[pid  5966] close(26 <unfinished ...>
[pid  5965] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5966] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5965] close(15 <unfinished ...>
[pid  5966] close(27 <unfinished ...>
[pid  5965] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5966] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5966] close(28 <unfinished ...>
[pid  5965] close(16 <unfinished ...>
[pid  5966] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5966] close(29 <unfinished ...>
[pid  5965] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5966] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5965] close(17 <unfinished ...>
[pid  5969] write(3, "1000", 4 <unfinished ...>
[pid  5968] write(3, "1000", 4 <unfinished ...>
[pid  5967] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5966] exit_group(0 <unfinished ...>
[pid  5965] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5969] <... write resumed>)        = 4
[pid  5968] <... write resumed>)        = 4
[pid  5966] <... exit_group resumed>)   = ?
[pid  5965] close(18 <unfinished ...>
[pid  5969] close(3 <unfinished ...>
[pid  5968] close(3 <unfinished ...>
[pid  5967] <... symlink resumed>)      = 0
[pid  5965] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5969] <... close resumed>)        = 0
executing program
[pid  5968] <... close resumed>)        = 0
[pid  5967] write(1, "executing program\n", 18 <unfinished ...>
[pid  5965] close(19 <unfinished ...>
[pid  5969] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5968] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5967] <... write resumed>)        = 18
[pid  5966] +++ exited with 0 +++
[pid  5969] <... symlink resumed>)      = 0
[pid  5965] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5965] close(20 <unfinished ...>
[pid  5968] <... symlink resumed>)      = 0
[pid  5965] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
executing program
[pid  5969] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  5967] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5965] close(21 <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5969] <... write resumed>)        = 18
[pid  5968] write(1, "executing program\n", 18 <unfinished ...>
[pid  5965] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5967] <... bpf resumed>)          = 3
[pid  5965] close(22 <unfinished ...>
[pid  5969] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5968] <... write resumed>)        = 18
[pid  5967] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5965] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5969] <... bpf resumed>)          = 3
[pid  5968] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5965] close(23 <unfinished ...>
[pid  5967] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5968] <... bpf resumed>)          = 3
[pid  5965] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5965] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  5965] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  5965] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  5965] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  5965] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  5965] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  5968] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5969] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5967] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5965] exit_group(0 <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5968] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5967] <... bpf resumed>)          = 4
[pid  5969] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5965] <... exit_group resumed>)   = ?
[pid  5969] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5968] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5967] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5969] <... bpf resumed>)          = 4
[pid  5965] +++ exited with 0 +++
[pid  5856] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5969] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5967] <... bpf resumed>)          = 5
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5968] <... bpf resumed>)          = 4
[pid  5856] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5968] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5967] close(3 <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5969] <... bpf resumed>)          = 5
[pid  5968] <... bpf resumed>)          = 5
[pid  5967] <... close resumed>)        = 0
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5968] close(3 <unfinished ...>
[pid  5967] close(4 <unfinished ...>
[pid  5969] close(3 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5969] <... close resumed>)        = 0
[pid  5968] <... close resumed>)        = 0
[pid  5967] <... close resumed>)        = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5969] close(4 <unfinished ...>
[pid  5968] close(4 <unfinished ...>
[pid  5967] close(5 <unfinished ...>
[pid  5968] <... close resumed>)        = 0
[pid  5967] <... close resumed>)        = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5968] close(5 <unfinished ...>
[pid  5967] close(6)                    = -1 EBADF (Bad file descriptor)
[pid  5969] <... close resumed>)        = 0
[pid  5856] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5969] close(5 <unfinished ...>
[pid  5968] <... close resumed>)        = 0
[pid  5967] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5968] close(6 <unfinished ...>
[pid  5967] close(8 <unfinished ...>
[pid  5968] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5967] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5969] <... close resumed>)        = 0
[pid  5968] close(7 <unfinished ...>
[pid  5967] close(9 <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./20/binderfs",  <unfinished ...>
[pid  5968] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5967] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5968] close(8 <unfinished ...>
[pid  5967] close(10 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5968] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5967] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5968] close(9 <unfinished ...>
[pid  5967] close(11 <unfinished ...>
[pid  5968] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5967] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5968] close(10 <unfinished ...>
[pid  5967] close(12 <unfinished ...>
[pid  5968] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5967] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5968] close(11 <unfinished ...>
[pid  5967] close(13 <unfinished ...>
[pid  5968] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5967] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5968] close(12 <unfinished ...>
[pid  5967] close(14 <unfinished ...>
[pid  5968] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5967] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5968] close(13 <unfinished ...>
[pid  5967] close(15 <unfinished ...>
[pid  5968] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5967] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5968] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  5967] close(16 <unfinished ...>
[pid  5968] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  5967] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5968] close(16 <unfinished ...>
[pid  5967] close(17 <unfinished ...>
[pid  5968] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5967] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5968] close(17 <unfinished ...>
[pid  5967] close(18 <unfinished ...>
[pid  5968] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5967] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5968] close(18 <unfinished ...>
[pid  5967] close(19 <unfinished ...>
[pid  5968] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5967] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5968] close(19 <unfinished ...>
[pid  5967] close(20 <unfinished ...>
[pid  5968] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5967] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5968] close(20 <unfinished ...>
[pid  5967] close(21 <unfinished ...>
[pid  5968] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5967] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5968] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  5967] close(22 <unfinished ...>
[pid  5968] close(22 <unfinished ...>
[pid  5967] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5968] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5967] close(23 <unfinished ...>
[pid  5968] close(23 <unfinished ...>
[pid  5967] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5968] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5967] close(24 <unfinished ...>
[pid  5968] close(24 <unfinished ...>
[pid  5967] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5968] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5967] close(25 <unfinished ...>
[pid  5968] close(25 <unfinished ...>
[pid  5967] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5968] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5967] close(26 <unfinished ...>
[pid  5968] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  5967] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5968] close(27 <unfinished ...>
[pid  5967] close(27 <unfinished ...>
[pid  5968] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5967] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5968] close(28 <unfinished ...>
[pid  5967] close(28 <unfinished ...>
[pid  5968] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5967] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5969] close(6 <unfinished ...>
[pid  5856] unlink("./20/binderfs" <unfinished ...>
[pid  5969] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5968] close(29 <unfinished ...>
[pid  5967] close(29 <unfinished ...>
[pid  5968] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5967] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... unlink resumed>)       = 0
[pid  5969] close(7 <unfinished ...>
[pid  5968] exit_group(0 <unfinished ...>
[pid  5967] exit_group(0 <unfinished ...>
[pid  5969] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5968] <... exit_group resumed>)   = ?
[pid  5967] <... exit_group resumed>)   = ?
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5969] close(8 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5969] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5967] +++ exited with 0 +++
[pid  5856] close(3 <unfinished ...>
[pid  5969] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  5969] close(10 <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5969] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5968] +++ exited with 0 +++
[pid  5857] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] rmdir("./20" <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5969] close(11 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5969] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5969] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5969] close(13 <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5969] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5969] close(14 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5969] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... openat resumed>)       = 3
[pid  5855] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5969] close(15 <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5969] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] mkdir("./21", 0777 <unfinished ...>
[pid  5969] close(16 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5969] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5969] close(17 <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5969] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5969] close(18 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5969] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5969] close(19 <unfinished ...>
[pid  5855] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5969] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5969] close(20 <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./20/binderfs",  <unfinished ...>
[pid  5969] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5969] close(21 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5969] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] newfstatat(AT_FDCWD, "./20/binderfs",  <unfinished ...>
[pid  5969] close(22 <unfinished ...>
[pid  5857] unlink("./20/binderfs" <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5969] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] unlink("./20/binderfs" <unfinished ...>
[pid  5969] close(23 <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5855] <... unlink resumed>)       = 0
[pid  5969] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5969] close(24 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5969] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5969] close(25 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5969] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... close resumed>)        = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5969] close(26 <unfinished ...>
[pid  5857] rmdir("./20" <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5969] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... close resumed>)        = 0
[pid  5969] close(27 <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5855] rmdir("./20" <unfinished ...>
[pid  5969] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] mkdir("./21", 0777 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  5969] close(28 <unfinished ...>
[pid  5855] mkdir("./21", 0777./strace-static-x86_64: Process 5970 attached
 <unfinished ...>
[pid  5969] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... mkdir resumed>)        = 0
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5969] close(29 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5969] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5969] exit_group(0 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 23
[pid  5855] <... mkdir resumed>)        = 0
[pid  5969] <... exit_group resumed>)   = ?
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5971 attached
./strace-static-x86_64: Process 5972 attached
 <unfinished ...>
[pid  5970] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5969] +++ exited with 0 +++
[pid  5971] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 23
[pid  5970] <... set_robust_list resumed>) = 0
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 23
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5972] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5971] <... set_robust_list resumed>) = 0
[pid  5970] chdir("./21" <unfinished ...>
[pid  5853] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5972] <... set_robust_list resumed>) = 0
[pid  5971] chdir("./21" <unfinished ...>
[pid  5970] <... chdir resumed>)        = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5972] chdir("./21" <unfinished ...>
[pid  5970] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5972] <... chdir resumed>)        = 0
[pid  5971] <... chdir resumed>)        = 0
[pid  5970] <... prctl resumed>)        = 0
[pid  5853] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5972] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5971] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5970] setpgid(0, 0 <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5972] <... prctl resumed>)        = 0
[pid  5971] <... prctl resumed>)        = 0
[pid  5970] <... setpgid resumed>)      = 0
[pid  5972] setpgid(0, 0 <unfinished ...>
[pid  5971] setpgid(0, 0 <unfinished ...>
[pid  5970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5972] <... setpgid resumed>)      = 0
[pid  5971] <... setpgid resumed>)      = 0
[pid  5970] <... openat resumed>)       = 3
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5970] write(3, "1000", 4 <unfinished ...>
[pid  5854] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5972] <... openat resumed>)       = 3
[pid  5971] <... openat resumed>)       = 3
[pid  5970] <... write resumed>)        = 4
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5972] write(3, "1000", 4 <unfinished ...>
[pid  5971] write(3, "1000", 4 <unfinished ...>
[pid  5970] close(3 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5972] <... write resumed>)        = 4
[pid  5971] <... write resumed>)        = 4
[pid  5970] <... close resumed>)        = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] newfstatat(AT_FDCWD, "./20/binderfs",  <unfinished ...>
[pid  5972] close(3 <unfinished ...>
[pid  5971] close(3 <unfinished ...>
[pid  5970] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5854] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5972] <... close resumed>)        = 0
[pid  5971] <... close resumed>)        = 0
[pid  5971] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] unlink("./20/binderfs" <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./19/binderfs",  <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] unlink("./19/binderfs" <unfinished ...>
[pid  5972] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5971] <... symlink resumed>)      = 0
[pid  5970] <... symlink resumed>)      = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] getdents64(3, executing program
 <unfinished ...>
[pid  5970] write(1, "executing program\n", 18 <unfinished ...>
[pid  5972] <... symlink resumed>)      = 0
[pid  5971] write(1, "executing program\n", 18 <unfinished ...>
[pid  5970] <... write resumed>)        = 18
executing program
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5971] <... write resumed>)        = 18
[pid  5970] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5854] getdents64(3, executing program
 <unfinished ...>
[pid  5972] write(1, "executing program\n", 18 <unfinished ...>
[pid  5971] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5970] <... bpf resumed>)          = 3
[pid  5853] close(3 <unfinished ...>
[pid  5972] <... write resumed>)        = 18
[pid  5971] <... bpf resumed>)          = 3
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... close resumed>)        = 0
[pid  5972] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5971] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5854] close(3 <unfinished ...>
[pid  5853] rmdir("./20" <unfinished ...>
[pid  5972] <... bpf resumed>)          = 3
[pid  5970] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5972] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5970] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5854] <... close resumed>)        = 0
[pid  5853] <... rmdir resumed>)        = 0
[pid  5971] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5970] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5972] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5971] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5854] rmdir("./19" <unfinished ...>
[pid  5853] mkdir("./21", 0777 <unfinished ...>
[pid  5972] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5971] <... bpf resumed>)          = 4
[pid  5970] <... bpf resumed>)          = 4
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  5972] <... bpf resumed>)          = 4
[pid  5854] mkdir("./20", 0777 <unfinished ...>
[pid  5970] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5973 attached
 <unfinished ...>
[pid  5972] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5971] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5970] <... bpf resumed>)          = 5
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5973] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5972] <... bpf resumed>)          = 5
[pid  5971] <... bpf resumed>)          = 5
[pid  5970] close(3./strace-static-x86_64: Process 5974 attached
 <unfinished ...>
[pid  5973] <... set_robust_list resumed>) = 0
[pid  5970] <... close resumed>)        = 0
[pid  5971] close(3)                    = 0
[pid  5971] close(4 <unfinished ...>
[pid  5973] chdir("./21" <unfinished ...>
[pid  5971] <... close resumed>)        = 0
[pid  5972] close(3 <unfinished ...>
[pid  5971] close(5 <unfinished ...>
[pid  5972] <... close resumed>)        = 0
[pid  5971] <... close resumed>)        = 0
[pid  5974] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5970] close(4 <unfinished ...>
[pid  5972] close(4 <unfinished ...>
[pid  5971] close(6 <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 22
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 23
[pid  5974] <... set_robust_list resumed>) = 0
[pid  5973] <... chdir resumed>)        = 0
[pid  5972] <... close resumed>)        = 0
[pid  5971] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5970] <... close resumed>)        = 0
[pid  5973] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5974] chdir("./20" <unfinished ...>
[pid  5972] close(5 <unfinished ...>
[pid  5971] close(7 <unfinished ...>
[pid  5973] <... prctl resumed>)        = 0
[pid  5970] close(5 <unfinished ...>
[pid  5974] <... chdir resumed>)        = 0
[pid  5972] <... close resumed>)        = 0
[pid  5971] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5971] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  5972] close(6 <unfinished ...>
[pid  5971] close(9 <unfinished ...>
[pid  5970] <... close resumed>)        = 0
[pid  5973] setpgid(0, 0 <unfinished ...>
[pid  5974] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5972] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5971] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] <... prctl resumed>)        = 0
[pid  5973] <... setpgid resumed>)      = 0
[pid  5972] close(7 <unfinished ...>
[pid  5971] close(10 <unfinished ...>
[pid  5970] close(6 <unfinished ...>
[pid  5974] setpgid(0, 0 <unfinished ...>
[pid  5972] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5971] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] <... setpgid resumed>)      = 0
[pid  5973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5972] close(8 <unfinished ...>
[pid  5971] close(11 <unfinished ...>
[pid  5970] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5972] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5971] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5970] close(7 <unfinished ...>
[pid  5973] <... openat resumed>)       = 3
[pid  5973] write(3, "1000", 4 <unfinished ...>
[pid  5972] close(9 <unfinished ...>
[pid  5971] close(12 <unfinished ...>
[pid  5970] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] <... openat resumed>)       = 3
[pid  5973] <... write resumed>)        = 4
[pid  5972] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5971] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5970] close(8 <unfinished ...>
[pid  5973] close(3 <unfinished ...>
[pid  5972] close(10 <unfinished ...>
[pid  5971] close(13 <unfinished ...>
[pid  5970] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] write(3, "1000", 4 <unfinished ...>
[pid  5973] <... close resumed>)        = 0
[pid  5972] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5971] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5970] close(9 <unfinished ...>
[pid  5974] <... write resumed>)        = 4
[pid  5972] close(11 <unfinished ...>
[pid  5971] close(14 <unfinished ...>
[pid  5970] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] close(3 <unfinished ...>
[pid  5973] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5972] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5971] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5970] close(10 <unfinished ...>
[pid  5974] <... close resumed>)        = 0
[pid  5972] close(12 <unfinished ...>
[pid  5971] close(15 <unfinished ...>
[pid  5970] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5973] <... symlink resumed>)      = 0
[pid  5972] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5971] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5970] close(11 <unfinished ...>
[pid  5974] <... symlink resumed>)      = 0
executing program
[pid  5973] write(1, "executing program\n", 18 <unfinished ...>
[pid  5972] close(13 <unfinished ...>
[pid  5971] close(16 <unfinished ...>
[pid  5973] <... write resumed>)        = 18
[pid  5974] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  5972] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5971] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5970] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] <... write resumed>)        = 18
[pid  5973] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5972] close(14 <unfinished ...>
[pid  5971] close(17 <unfinished ...>
[pid  5970] close(12 <unfinished ...>
[pid  5974] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5972] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5971] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5970] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] <... bpf resumed>)          = 3
[pid  5973] <... bpf resumed>)          = 3
[pid  5972] close(15 <unfinished ...>
[pid  5971] close(18 <unfinished ...>
[pid  5970] close(13 <unfinished ...>
[pid  5974] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5973] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5972] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5971] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5970] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5973] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5974] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5972] close(16 <unfinished ...>
[pid  5971] close(19 <unfinished ...>
[pid  5970] close(14 <unfinished ...>
[pid  5973] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5974] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5972] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5971] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5970] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] <... bpf resumed>)          = 4
[pid  5973] <... bpf resumed>)          = 4
[pid  5972] close(17 <unfinished ...>
[pid  5971] close(20 <unfinished ...>
[pid  5970] close(15 <unfinished ...>
[pid  5974] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5972] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5971] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5970] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] <... bpf resumed>)          = 5
[pid  5973] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5972] close(18 <unfinished ...>
[pid  5971] close(21 <unfinished ...>
[pid  5970] close(16 <unfinished ...>
[pid  5973] <... bpf resumed>)          = 5
[pid  5972] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5971] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5970] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] close(3 <unfinished ...>
[pid  5972] close(19 <unfinished ...>
[pid  5971] close(22 <unfinished ...>
[pid  5970] close(17 <unfinished ...>
[pid  5974] <... close resumed>)        = 0
[pid  5973] close(3 <unfinished ...>
[pid  5972] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5971] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5970] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] close(4 <unfinished ...>
[pid  5972] close(20 <unfinished ...>
[pid  5971] close(23 <unfinished ...>
[pid  5970] close(18 <unfinished ...>
[pid  5974] <... close resumed>)        = 0
[pid  5972] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5971] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5970] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] close(5 <unfinished ...>
[pid  5972] close(21 <unfinished ...>
[pid  5971] close(24 <unfinished ...>
[pid  5970] close(19 <unfinished ...>
[pid  5972] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5971] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5970] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5972] close(22 <unfinished ...>
[pid  5971] close(25 <unfinished ...>
[pid  5970] close(20 <unfinished ...>
[pid  5972] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5971] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5970] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5972] close(23 <unfinished ...>
[pid  5971] close(26 <unfinished ...>
[pid  5970] close(21 <unfinished ...>
[pid  5973] <... close resumed>)        = 0
[pid  5972] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5971] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5970] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] <... close resumed>)        = 0
[pid  5973] close(4 <unfinished ...>
[pid  5972] close(24 <unfinished ...>
[pid  5971] close(27 <unfinished ...>
[pid  5970] close(22 <unfinished ...>
[pid  5973] <... close resumed>)        = 0
[pid  5973] close(5 <unfinished ...>
[pid  5971] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5972] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5971] close(28 <unfinished ...>
[pid  5970] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] close(6 <unfinished ...>
[pid  5972] close(25 <unfinished ...>
[pid  5971] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5970] close(23 <unfinished ...>
[pid  5974] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5973] <... close resumed>)        = 0
[pid  5972] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5971] close(29 <unfinished ...>
[pid  5970] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] close(7 <unfinished ...>
[pid  5973] close(6 <unfinished ...>
[pid  5972] close(26 <unfinished ...>
[pid  5971] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5970] close(24 <unfinished ...>
[pid  5974] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5973] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5972] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5971] exit_group(0 <unfinished ...>
[pid  5970] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] close(8 <unfinished ...>
[pid  5973] close(7 <unfinished ...>
[pid  5972] close(27 <unfinished ...>
[pid  5971] <... exit_group resumed>)   = ?
[pid  5970] close(25 <unfinished ...>
[pid  5974] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5973] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5972] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5970] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] close(9 <unfinished ...>
[pid  5973] close(8 <unfinished ...>
[pid  5972] close(28 <unfinished ...>
[pid  5970] close(26 <unfinished ...>
[pid  5974] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5973] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5972] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5970] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] close(10 <unfinished ...>
[pid  5973] close(9 <unfinished ...>
[pid  5972] close(29 <unfinished ...>
[pid  5970] close(27 <unfinished ...>
[pid  5973] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5973] close(10 <unfinished ...>
[pid  5972] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5970] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] close(11 <unfinished ...>
[pid  5973] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5972] exit_group(0 <unfinished ...>
[pid  5970] close(28 <unfinished ...>
[pid  5974] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5973] close(11 <unfinished ...>
[pid  5974] close(12 <unfinished ...>
[pid  5973] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5972] <... exit_group resumed>)   = ?
[pid  5970] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5973] close(12 <unfinished ...>
[pid  5972] +++ exited with 0 +++
[pid  5971] +++ exited with 0 +++
[pid  5970] close(29 <unfinished ...>
[pid  5974] close(13 <unfinished ...>
[pid  5973] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5970] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5974] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5973] close(13 <unfinished ...>
[pid  5970] exit_group(0 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5974] close(14 <unfinished ...>
[pid  5973] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5974] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5973] close(14 <unfinished ...>
[pid  5970] <... exit_group resumed>)   = ?
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5974] close(15 <unfinished ...>
[pid  5973] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5970] +++ exited with 0 +++
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5974] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5973] close(15 <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5974] close(16 <unfinished ...>
[pid  5973] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5973] close(16 <unfinished ...>
[pid  5857] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5974] close(17 <unfinished ...>
[pid  5973] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5973] close(17 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5973] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5973] close(18 <unfinished ...>
[pid  5856] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5973] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5973] close(19 <unfinished ...>
[pid  5974] close(18 <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5973] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5974] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5973] close(20 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5974] close(19 <unfinished ...>
[pid  5973] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5974] close(20 <unfinished ...>
[pid  5973] close(21 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5974] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... openat resumed>)       = 3
[pid  5974] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  5974] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  5974] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  5974] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  5974] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  5974] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  5974] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  5974] close(28 <unfinished ...>
[pid  5973] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5974] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5973] close(22 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5974] close(29 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5974] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5973] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5974] exit_group(0 <unfinished ...>
[pid  5973] close(23 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5973] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5973] close(24 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5973] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5973] close(25 <unfinished ...>
[pid  5855] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5973] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5973] close(26 <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./21/binderfs",  <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5973] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(AT_FDCWD, "./21/binderfs",  <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./21/binderfs",  <unfinished ...>
[pid  5973] close(27 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5973] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5974] <... exit_group resumed>)   = ?
[pid  5973] close(28 <unfinished ...>
[pid  5974] +++ exited with 0 +++
[pid  5973] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] unlink("./21/binderfs" <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5973] close(29 <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5973] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5973] exit_group(0 <unfinished ...>
[pid  5857] unlink("./21/binderfs" <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] unlink("./21/binderfs" <unfinished ...>
[pid  5973] <... exit_group resumed>)   = ?
[pid  5857] <... unlink resumed>)       = 0
[pid  5855] <... unlink resumed>)       = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5973] +++ exited with 0 +++
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] close(3 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5857] close(3 <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5855] close(3 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5857] rmdir("./21" <unfinished ...>
[pid  5856] rmdir("./21" <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] <... rmdir resumed>)        = 0
[pid  5855] rmdir("./21" <unfinished ...>
[pid  5854] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] mkdir("./22", 0777 <unfinished ...>
[pid  5856] mkdir("./22", 0777 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] mkdir("./22", 0777 <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5975 attached
 <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... openat resumed>)       = 3
[pid  5975] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5854] getdents64(3, 0x555562c7c6f0 /* 3 entries */, 32768) = 80
./strace-static-x86_64: Process 5976 attached
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 24
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5975] <... set_robust_list resumed>) = 0
[pid  5854] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5975] chdir("./22" <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] newfstatat(AT_FDCWD, "./20/binderfs",  <unfinished ...>
[pid  5975] <... chdir resumed>)        = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 24
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
./strace-static-x86_64: Process 5977 attached
[pid  5975] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5854] unlink("./20/binderfs" <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5977] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5975] <... prctl resumed>)        = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5977] <... set_robust_list resumed>) = 0
[pid  5975] setpgid(0, 0 <unfinished ...>
[pid  5977] chdir("./22" <unfinished ...>
[pid  5975] <... setpgid resumed>)      = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5976] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 24
[pid  5853] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5976] <... set_robust_list resumed>) = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5977] <... chdir resumed>)        = 0
[pid  5976] chdir("./22" <unfinished ...>
[pid  5975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] newfstatat(AT_FDCWD, "./21/binderfs",  <unfinished ...>
[pid  5977] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5975] <... openat resumed>)       = 3
[pid  5854] close(3 <unfinished ...>
[pid  5977] <... prctl resumed>)        = 0
[pid  5854] <... close resumed>)        = 0
[pid  5976] <... chdir resumed>)        = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5976] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5853] unlink("./21/binderfs" <unfinished ...>
[pid  5976] <... prctl resumed>)        = 0
[pid  5977] setpgid(0, 0 <unfinished ...>
[pid  5975] write(3, "1000", 4 <unfinished ...>
[pid  5854] rmdir("./20" <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5977] <... setpgid resumed>)      = 0
[pid  5976] setpgid(0, 0 <unfinished ...>
[pid  5975] <... write resumed>)        = 4
[pid  5854] <... rmdir resumed>)        = 0
[pid  5977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5976] <... setpgid resumed>)      = 0
[pid  5975] close(3 <unfinished ...>
[pid  5854] mkdir("./21", 0777 <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5977] <... openat resumed>)       = 3
[pid  5976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5975] <... close resumed>)        = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5975] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5977] write(3, "1000", 4 <unfinished ...>
[pid  5976] <... openat resumed>)       = 3
[pid  5975] <... symlink resumed>)      = 0
[pid  5853] close(3./strace-static-x86_64: Process 5978 attached
 <unfinished ...>
[pid  5977] <... write resumed>)        = 4
executing program
[pid  5976] write(3, "1000", 4 <unfinished ...>
[pid  5975] write(1, "executing program\n", 18 <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5978] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5977] close(3 <unfinished ...>
[pid  5976] <... write resumed>)        = 4
[pid  5975] <... write resumed>)        = 18
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 23
[pid  5853] rmdir("./21" <unfinished ...>
[pid  5978] <... set_robust_list resumed>) = 0
[pid  5977] <... close resumed>)        = 0
[pid  5976] close(3 <unfinished ...>
[pid  5975] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  5978] chdir("./21" <unfinished ...>
[pid  5977] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5976] <... close resumed>)        = 0
[pid  5978] <... chdir resumed>)        = 0
[pid  5975] <... bpf resumed>)          = 3
[pid  5978] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5976] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5978] <... prctl resumed>)        = 0
[pid  5975] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5978] setpgid(0, 0 <unfinished ...>
[pid  5977] <... symlink resumed>)      = 0
[pid  5976] <... symlink resumed>)      = 0
[pid  5853] mkdir("./22", 0777executing program
 <unfinished ...>
[pid  5977] write(1, "executing program\n", 18 <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5977] <... write resumed>)        = 18
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5978] <... setpgid resumed>)      = 0
[pid  5977] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program
 <unfinished ...>
[pid  5976] write(1, "executing program\n", 18 <unfinished ...>
[pid  5975] <... bpf resumed>)          = -1 EFAULT (Bad address)
./strace-static-x86_64: Process 5979 attached
[pid  5978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5977] <... bpf resumed>)          = 3
[pid  5976] <... write resumed>)        = 18
[pid  5975] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5978] <... openat resumed>)       = 3
[pid  5977] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5976] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 24
[pid  5979] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5978] write(3, "1000", 4 <unfinished ...>
[pid  5977] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5976] <... bpf resumed>)          = 3
[pid  5975] <... bpf resumed>)          = 4
[pid  5979] <... set_robust_list resumed>) = 0
[pid  5979] chdir("./22" <unfinished ...>
[pid  5978] <... write resumed>)        = 4
[pid  5977] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5976] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5975] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5979] <... chdir resumed>)        = 0
[pid  5978] close(3 <unfinished ...>
[pid  5976] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5975] <... bpf resumed>)          = 5
[pid  5978] <... close resumed>)        = 0
[pid  5976] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5979] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5977] <... bpf resumed>)          = 4
[pid  5979] <... prctl resumed>)        = 0
[pid  5978] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5976] <... bpf resumed>)          = 4
[pid  5975] close(3 <unfinished ...>
[pid  5977] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5979] setpgid(0, 0 <unfinished ...>
[pid  5978] <... symlink resumed>)      = 0
[pid  5979] <... setpgid resumed>)      = 0
[pid  5978] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  5977] <... bpf resumed>)          = 5
[pid  5976] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5975] <... close resumed>)        = 0
[pid  5979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5978] <... write resumed>)        = 18
[pid  5977] close(3 <unfinished ...>
[pid  5976] <... bpf resumed>)          = 5
[pid  5975] close(4 <unfinished ...>
[pid  5979] <... openat resumed>)       = 3
[pid  5978] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5979] write(3, "1000", 4 <unfinished ...>
[pid  5977] <... close resumed>)        = 0
[pid  5976] close(3 <unfinished ...>
[pid  5975] <... close resumed>)        = 0
[pid  5979] <... write resumed>)        = 4
[pid  5978] <... bpf resumed>)          = 3
[pid  5977] close(4 <unfinished ...>
[pid  5976] <... close resumed>)        = 0
[pid  5975] close(5 <unfinished ...>
[pid  5979] close(3 <unfinished ...>
[pid  5978] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5977] <... close resumed>)        = 0
[pid  5976] close(4 <unfinished ...>
[pid  5979] <... close resumed>)        = 0
[pid  5975] <... close resumed>)        = 0
[pid  5979] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5978] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5977] close(5 <unfinished ...>
[pid  5976] <... close resumed>)        = 0
[pid  5975] close(6 <unfinished ...>
[pid  5979] <... symlink resumed>)      = 0
[pid  5978] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5976] close(5 <unfinished ...>
[pid  5975] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5978] <... bpf resumed>)          = 4
[pid  5975] close(7 <unfinished ...>
[pid  5977] <... close resumed>)        = 0
[pid  5975] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5975] close(8)                    = -1 EBADF (Bad file descriptor)
executing program
[pid  5979] write(1, "executing program\n", 18 <unfinished ...>
[pid  5978] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5977] close(6 <unfinished ...>
[pid  5976] <... close resumed>)        = 0
[pid  5979] <... write resumed>)        = 18
[pid  5977] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5975] close(9 <unfinished ...>
[pid  5979] <... bpf resumed>)          = 3
[pid  5978] <... bpf resumed>)          = 5
[pid  5977] close(7 <unfinished ...>
[pid  5976] close(6 <unfinished ...>
[pid  5975] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5977] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5975] close(10 <unfinished ...>
[pid  5979] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5978] close(3 <unfinished ...>
[pid  5977] close(8 <unfinished ...>
[pid  5976] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5978] <... close resumed>)        = 0
[pid  5977] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5976] close(7 <unfinished ...>
[pid  5975] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5978] close(4 <unfinished ...>
[pid  5977] close(9 <unfinished ...>
[pid  5976] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5975] close(11 <unfinished ...>
[pid  5978] <... close resumed>)        = 0
[pid  5977] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5976] close(8 <unfinished ...>
[pid  5975] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] <... bpf resumed>)          = 4
[pid  5978] close(5 <unfinished ...>
[pid  5977] close(10 <unfinished ...>
[pid  5976] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5975] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  5979] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5978] <... close resumed>)        = 0
[pid  5977] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5976] close(9 <unfinished ...>
[pid  5975] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  5979] <... bpf resumed>)          = 5
[pid  5977] close(11 <unfinished ...>
[pid  5975] close(14 <unfinished ...>
[pid  5976] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] close(3 <unfinished ...>
[pid  5978] close(6 <unfinished ...>
[pid  5977] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5975] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] <... close resumed>)        = 0
[pid  5978] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5977] close(12 <unfinished ...>
[pid  5976] close(10 <unfinished ...>
[pid  5975] close(15 <unfinished ...>
[pid  5979] close(4 <unfinished ...>
[pid  5978] close(7 <unfinished ...>
[pid  5977] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5976] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] <... close resumed>)        = 0
[pid  5978] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5977] close(13 <unfinished ...>
[pid  5979] close(5 <unfinished ...>
[pid  5978] close(8 <unfinished ...>
[pid  5977] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5976] close(11 <unfinished ...>
[pid  5975] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] <... close resumed>)        = 0
[pid  5978] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5977] close(14 <unfinished ...>
[pid  5976] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5975] close(16 <unfinished ...>
[pid  5979] close(6 <unfinished ...>
[pid  5978] close(9 <unfinished ...>
[pid  5977] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5976] close(12 <unfinished ...>
[pid  5975] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5978] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5977] close(15 <unfinished ...>
[pid  5976] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5975] close(17 <unfinished ...>
[pid  5979] close(7 <unfinished ...>
[pid  5978] close(10 <unfinished ...>
[pid  5977] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5976] close(13 <unfinished ...>
[pid  5975] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5978] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5977] close(16 <unfinished ...>
[pid  5976] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5975] close(18 <unfinished ...>
[pid  5979] close(8 <unfinished ...>
[pid  5978] close(11 <unfinished ...>
[pid  5977] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5976] close(14 <unfinished ...>
[pid  5975] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5978] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5977] close(17 <unfinished ...>
[pid  5976] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5975] close(19 <unfinished ...>
[pid  5979] close(9 <unfinished ...>
[pid  5978] close(12 <unfinished ...>
[pid  5977] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5976] close(15 <unfinished ...>
[pid  5975] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5978] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5977] close(18 <unfinished ...>
[pid  5976] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5975] close(20 <unfinished ...>
[pid  5979] close(10 <unfinished ...>
[pid  5978] close(13 <unfinished ...>
[pid  5977] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5976] close(16 <unfinished ...>
[pid  5975] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5978] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5977] close(19 <unfinished ...>
[pid  5976] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5975] close(21 <unfinished ...>
[pid  5979] close(11 <unfinished ...>
[pid  5978] close(14 <unfinished ...>
[pid  5977] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5976] close(17 <unfinished ...>
[pid  5975] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5978] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5977] close(20 <unfinished ...>
[pid  5976] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5975] close(22 <unfinished ...>
[pid  5979] close(12 <unfinished ...>
[pid  5978] close(15 <unfinished ...>
[pid  5977] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5976] close(18 <unfinished ...>
[pid  5975] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5978] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5977] close(21 <unfinished ...>
[pid  5976] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] close(13 <unfinished ...>
[pid  5978] close(16 <unfinished ...>
[pid  5977] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5976] close(19 <unfinished ...>
[pid  5979] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5978] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5977] close(22 <unfinished ...>
[pid  5976] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] close(14 <unfinished ...>
[pid  5978] close(17 <unfinished ...>
[pid  5977] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5976] close(20 <unfinished ...>
[pid  5979] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5978] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5977] close(23 <unfinished ...>
[pid  5976] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] close(15 <unfinished ...>
[pid  5978] close(18 <unfinished ...>
[pid  5977] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5976] close(21 <unfinished ...>
[pid  5979] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5978] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5977] close(24 <unfinished ...>
[pid  5976] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] close(16 <unfinished ...>
[pid  5978] close(19 <unfinished ...>
[pid  5977] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5976] close(22 <unfinished ...>
[pid  5979] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5978] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5977] close(25 <unfinished ...>
[pid  5976] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] close(17 <unfinished ...>
[pid  5978] close(20 <unfinished ...>
[pid  5977] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5976] close(23 <unfinished ...>
[pid  5979] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5978] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5977] close(26 <unfinished ...>
[pid  5976] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] close(18 <unfinished ...>
[pid  5978] close(21 <unfinished ...>
[pid  5977] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5978] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5976] close(24 <unfinished ...>
[pid  5975] close(23 <unfinished ...>
[pid  5977] close(27 <unfinished ...>
[pid  5979] close(19 <unfinished ...>
[pid  5978] close(22 <unfinished ...>
[pid  5977] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5976] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5975] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5978] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5977] close(28 <unfinished ...>
[pid  5976] close(25 <unfinished ...>
[pid  5975] close(24 <unfinished ...>
[pid  5979] close(20 <unfinished ...>
[pid  5978] close(23 <unfinished ...>
[pid  5977] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5976] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5975] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5978] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5977] close(29 <unfinished ...>
[pid  5976] close(26 <unfinished ...>
[pid  5975] close(25 <unfinished ...>
[pid  5979] close(21 <unfinished ...>
[pid  5978] close(24 <unfinished ...>
[pid  5977] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5976] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5975] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5978] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5977] exit_group(0 <unfinished ...>
[pid  5976] close(27 <unfinished ...>
[pid  5975] close(26 <unfinished ...>
[pid  5979] close(22 <unfinished ...>
[pid  5978] close(25 <unfinished ...>
[pid  5977] <... exit_group resumed>)   = ?
[pid  5976] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5975] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5978] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5976] close(28 <unfinished ...>
[pid  5975] close(27 <unfinished ...>
[pid  5979] close(23 <unfinished ...>
[pid  5978] close(26 <unfinished ...>
[pid  5976] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5975] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5978] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5976] close(29 <unfinished ...>
[pid  5975] close(28 <unfinished ...>
[pid  5979] close(24 <unfinished ...>
[pid  5978] close(27 <unfinished ...>
[pid  5977] +++ exited with 0 +++
[pid  5976] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5975] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5978] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5976] exit_group(0 <unfinished ...>
[pid  5975] close(29 <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5979] close(25 <unfinished ...>
[pid  5978] close(28 <unfinished ...>
[pid  5976] <... exit_group resumed>)   = ?
[pid  5975] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5979] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5978] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5975] exit_group(0 <unfinished ...>
[pid  5979] close(26 <unfinished ...>
[pid  5975] <... exit_group resumed>)   = ?
[pid  5979] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5978] close(29 <unfinished ...>
[pid  5976] +++ exited with 0 +++
[pid  5979] close(27 <unfinished ...>
[pid  5978] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5979] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5978] exit_group(0 <unfinished ...>
[pid  5979] close(28 <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5979] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5978] <... exit_group resumed>)   = ?
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5979] close(29 <unfinished ...>
[pid  5975] +++ exited with 0 +++
[pid  5979] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5979] exit_group(0 <unfinished ...>
[pid  5978] +++ exited with 0 +++
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5979] <... exit_group resumed>)   = ?
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5979] +++ exited with 0 +++
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5857] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5855] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5856] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] newfstatat(AT_FDCWD, "./22/binderfs",  <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./22/binderfs",  <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] unlink("./22/binderfs" <unfinished ...>
[pid  5854] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] unlink("./22/binderfs" <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./22/binderfs",  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] newfstatat(AT_FDCWD, "./21/binderfs",  <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] close(3 <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] unlink("./22/binderfs" <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5854] unlink("./21/binderfs" <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] rmdir("./22" <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] close(3 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  5853] newfstatat(AT_FDCWD, "./22/binderfs",  <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] mkdir("./23", 0777 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5857] rmdir("./22" <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] close(3 <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5853] unlink("./22/binderfs"./strace-static-x86_64: Process 5980 attached
 <unfinished ...>
[pid  5857] mkdir("./23", 0777 <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5854] <... close resumed>)        = 0
[pid  5856] rmdir("./22" <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] <... rmdir resumed>)        = 0
[pid  5854] rmdir("./21" <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5980] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] mkdir("./23", 0777 <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  5980] <... set_robust_list resumed>) = 0
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 25
[pid  5854] mkdir("./22", 0777 <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
./strace-static-x86_64: Process 5981 attached
[pid  5980] chdir("./23" <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
./strace-static-x86_64: Process 5982 attached
[pid  5981] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5980] <... chdir resumed>)        = 0
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 25
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5982] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5980] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5982] <... set_robust_list resumed>) = 0
[pid  5853] <... close resumed>)        = 0
[pid  5980] <... prctl resumed>)        = 0
[pid  5853] rmdir("./22" <unfinished ...>
[pid  5980] setpgid(0, 0 <unfinished ...>
[pid  5982] chdir("./23" <unfinished ...>
[pid  5981] <... set_robust_list resumed>) = 0
[pid  5980] <... setpgid resumed>)      = 0
[pid  5853] <... rmdir resumed>)        = 0
./strace-static-x86_64: Process 5983 attached
[pid  5982] <... chdir resumed>)        = 0
[pid  5981] chdir("./23" <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 25
[pid  5981] <... chdir resumed>)        = 0
[pid  5980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5983] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5982] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5853] mkdir("./23", 0777 <unfinished ...>
[pid  5983] <... set_robust_list resumed>) = 0
[pid  5982] <... prctl resumed>)        = 0
[pid  5982] setpgid(0, 0 <unfinished ...>
[pid  5981] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  5981] setpgid(0, 0)               = 0
[pid  5983] chdir("./22" <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 24
[pid  5982] <... setpgid resumed>)      = 0
[pid  5981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5980] <... openat resumed>)       = 3
[pid  5983] <... chdir resumed>)        = 0
[pid  5982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5981] <... openat resumed>)       = 3
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5981] write(3, "1000", 4)         = 4
./strace-static-x86_64: Process 5984 attached
[pid  5983] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5982] <... openat resumed>)       = 3
[pid  5981] close(3 <unfinished ...>
[pid  5980] write(3, "1000", 4 <unfinished ...>
[pid  5984] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5983] <... prctl resumed>)        = 0
[pid  5982] write(3, "1000", 4 <unfinished ...>
[pid  5981] <... close resumed>)        = 0
[pid  5980] <... write resumed>)        = 4
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 25
[pid  5984] <... set_robust_list resumed>) = 0
[pid  5983] setpgid(0, 0 <unfinished ...>
[pid  5982] <... write resumed>)        = 4
[pid  5981] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5980] close(3 <unfinished ...>
[pid  5984] chdir("./23" <unfinished ...>
[pid  5983] <... setpgid resumed>)      = 0
[pid  5982] close(3 <unfinished ...>
[pid  5981] <... symlink resumed>)      = 0
[pid  5980] <... close resumed>)        = 0
[pid  5983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5982] <... close resumed>)        = 0
[pid  5980] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5984] <... chdir resumed>)        = 0
[pid  5982] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5981] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5980] <... symlink resumed>)      = 0
[pid  5984] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5983] <... openat resumed>)       = 3
[pid  5982] <... symlink resumed>)      = 0
[pid  5981] <... write resumed>)        = 18
[pid  5984] <... prctl resumed>)        = 0
executing program
executing program
[pid  5981] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5984] setpgid(0, 0 <unfinished ...>
[pid  5983] write(3, "1000", 4 <unfinished ...>
[pid  5982] write(1, "executing program\n", 18 <unfinished ...>
[pid  5981] <... bpf resumed>)          = 3
[pid  5980] write(1, "executing program\n", 18 <unfinished ...>
[pid  5984] <... setpgid resumed>)      = 0
[pid  5983] <... write resumed>)        = 4
[pid  5982] <... write resumed>)        = 18
[pid  5981] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5980] <... write resumed>)        = 18
[pid  5984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5983] close(3 <unfinished ...>
[pid  5982] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5981] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5980] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5984] <... openat resumed>)       = 3
[pid  5983] <... close resumed>)        = 0
[pid  5982] <... bpf resumed>)          = 3
[pid  5984] write(3, "1000", 4 <unfinished ...>
[pid  5983] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5982] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5981] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5980] <... bpf resumed>)          = 3
[pid  5984] <... write resumed>)        = 4
[pid  5983] <... symlink resumed>)      = 0
[pid  5982] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5981] <... bpf resumed>)          = 4
[pid  5980] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5984] close(3)                    = 0
executing program
[pid  5983] write(1, "executing program\n", 18 <unfinished ...>
[pid  5982] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5981] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5980] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5984] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5983] <... write resumed>)        = 18
[pid  5982] <... bpf resumed>)          = 4
[pid  5984] <... symlink resumed>)      = 0
[pid  5983] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5981] <... bpf resumed>)          = 5
[pid  5980] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5984] write(1, "executing program\n", 18 <unfinished ...>
[pid  5983] <... bpf resumed>)          = 3
[pid  5982] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16executing program
 <unfinished ...>
[pid  5984] <... write resumed>)        = 18
[pid  5983] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5982] <... bpf resumed>)          = 5
[pid  5980] <... bpf resumed>)          = 4
[pid  5984] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5983] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5981] close(3 <unfinished ...>
[pid  5984] <... bpf resumed>)          = 3
[pid  5983] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5982] close(3 <unfinished ...>
[pid  5981] <... close resumed>)        = 0
[pid  5980] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5984] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5983] <... bpf resumed>)          = 4
[pid  5982] <... close resumed>)        = 0
[pid  5981] close(4 <unfinished ...>
[pid  5980] <... bpf resumed>)          = 5
[pid  5984] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5983] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5982] close(4 <unfinished ...>
[pid  5981] <... close resumed>)        = 0
[pid  5980] close(3 <unfinished ...>
[pid  5982] <... close resumed>)        = 0
[pid  5984] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5983] <... bpf resumed>)          = 5
[pid  5982] close(5 <unfinished ...>
[pid  5981] close(5 <unfinished ...>
[pid  5980] <... close resumed>)        = 0
[pid  5984] <... bpf resumed>)          = 4
[pid  5983] close(3 <unfinished ...>
[pid  5982] <... close resumed>)        = 0
[pid  5981] <... close resumed>)        = 0
[pid  5980] close(4 <unfinished ...>
[pid  5981] close(6 <unfinished ...>
[pid  5982] close(6 <unfinished ...>
[pid  5983] <... close resumed>)        = 0
[pid  5982] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5981] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5980] <... close resumed>)        = 0
[pid  5984] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5983] close(4 <unfinished ...>
[pid  5982] close(7 <unfinished ...>
[pid  5981] close(7 <unfinished ...>
[pid  5980] close(5 <unfinished ...>
[pid  5984] <... bpf resumed>)          = 5
[pid  5983] <... close resumed>)        = 0
[pid  5982] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5981] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] close(3 <unfinished ...>
[pid  5983] close(5 <unfinished ...>
[pid  5982] close(8 <unfinished ...>
[pid  5981] close(8 <unfinished ...>
[pid  5980] <... close resumed>)        = 0
[pid  5984] <... close resumed>)        = 0
[pid  5982] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5981] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] close(4 <unfinished ...>
[pid  5983] <... close resumed>)        = 0
[pid  5982] close(9 <unfinished ...>
[pid  5981] close(9 <unfinished ...>
[pid  5980] close(6 <unfinished ...>
[pid  5984] <... close resumed>)        = 0
[pid  5983] close(6 <unfinished ...>
[pid  5982] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5981] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5980] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] close(5 <unfinished ...>
[pid  5983] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5982] close(10 <unfinished ...>
[pid  5981] close(10 <unfinished ...>
[pid  5980] close(7 <unfinished ...>
[pid  5984] <... close resumed>)        = 0
[pid  5983] close(7 <unfinished ...>
[pid  5982] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5981] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5980] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5983] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5983] close(8 <unfinished ...>
[pid  5982] close(11 <unfinished ...>
[pid  5983] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5983] close(9 <unfinished ...>
[pid  5982] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5981] close(11 <unfinished ...>
[pid  5980] close(8 <unfinished ...>
[pid  5984] close(6 <unfinished ...>
[pid  5983] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5982] close(12 <unfinished ...>
[pid  5981] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5980] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5983] close(10 <unfinished ...>
[pid  5982] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5981] close(12 <unfinished ...>
[pid  5980] close(9 <unfinished ...>
[pid  5984] close(7 <unfinished ...>
[pid  5983] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5982] close(13 <unfinished ...>
[pid  5981] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5980] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5983] close(11 <unfinished ...>
[pid  5982] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5981] close(13 <unfinished ...>
[pid  5980] close(10 <unfinished ...>
[pid  5983] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] close(8 <unfinished ...>
[pid  5983] close(12 <unfinished ...>
[pid  5982] close(14 <unfinished ...>
[pid  5981] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5980] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5983] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5982] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5981] close(14 <unfinished ...>
[pid  5980] close(11 <unfinished ...>
[pid  5984] close(9 <unfinished ...>
[pid  5983] close(13 <unfinished ...>
[pid  5982] close(15 <unfinished ...>
[pid  5981] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5980] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5983] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5982] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5981] close(15 <unfinished ...>
[pid  5980] close(12 <unfinished ...>
[pid  5984] close(10 <unfinished ...>
[pid  5983] close(14 <unfinished ...>
[pid  5982] close(16 <unfinished ...>
[pid  5981] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5980] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5983] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5982] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5981] close(16 <unfinished ...>
[pid  5980] close(13 <unfinished ...>
[pid  5984] close(11 <unfinished ...>
[pid  5983] close(15 <unfinished ...>
[pid  5982] close(17 <unfinished ...>
[pid  5981] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5980] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5983] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5982] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5981] close(17 <unfinished ...>
[pid  5980] close(14 <unfinished ...>
[pid  5984] close(12 <unfinished ...>
[pid  5983] close(16 <unfinished ...>
[pid  5982] close(18 <unfinished ...>
[pid  5981] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5980] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5983] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5982] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5981] close(18 <unfinished ...>
[pid  5980] close(15 <unfinished ...>
[pid  5984] close(13 <unfinished ...>
[pid  5983] close(17 <unfinished ...>
[pid  5982] close(19 <unfinished ...>
[pid  5981] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5980] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5983] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5983] close(18 <unfinished ...>
[pid  5982] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5981] close(19 <unfinished ...>
[pid  5980] close(16 <unfinished ...>
[pid  5984] close(14 <unfinished ...>
[pid  5983] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5982] close(20 <unfinished ...>
[pid  5981] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5980] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5982] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5981] close(20 <unfinished ...>
[pid  5980] close(17 <unfinished ...>
[pid  5984] close(15 <unfinished ...>
[pid  5982] close(21 <unfinished ...>
[pid  5981] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5980] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5982] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5981] close(21 <unfinished ...>
[pid  5980] close(18 <unfinished ...>
[pid  5984] close(16 <unfinished ...>
[pid  5982] close(22 <unfinished ...>
[pid  5981] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5983] close(19 <unfinished ...>
[pid  5980] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5983] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5982] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5981] close(22 <unfinished ...>
[pid  5980] close(19 <unfinished ...>
[pid  5984] close(17 <unfinished ...>
[pid  5983] close(20 <unfinished ...>
[pid  5982] close(23 <unfinished ...>
[pid  5981] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5980] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5983] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5983] close(21 <unfinished ...>
[pid  5982] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5981] close(23 <unfinished ...>
[pid  5980] close(20 <unfinished ...>
[pid  5984] close(18 <unfinished ...>
[pid  5983] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5982] close(24 <unfinished ...>
[pid  5981] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5980] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5983] close(22 <unfinished ...>
[pid  5982] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5981] close(24 <unfinished ...>
[pid  5980] close(21 <unfinished ...>
[pid  5984] close(19 <unfinished ...>
[pid  5983] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5982] close(25 <unfinished ...>
[pid  5981] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5980] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5983] close(23 <unfinished ...>
[pid  5982] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5981] close(25 <unfinished ...>
[pid  5980] close(22 <unfinished ...>
[pid  5984] close(20 <unfinished ...>
[pid  5983] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5982] close(26 <unfinished ...>
[pid  5981] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5980] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5983] close(24 <unfinished ...>
[pid  5984] close(21 <unfinished ...>
[pid  5983] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5982] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5981] close(26 <unfinished ...>
[pid  5980] close(23 <unfinished ...>
[pid  5984] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5983] close(25 <unfinished ...>
[pid  5982] close(27 <unfinished ...>
[pid  5981] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5980] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] close(22 <unfinished ...>
[pid  5983] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5982] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5981] close(27 <unfinished ...>
[pid  5980] close(24 <unfinished ...>
[pid  5984] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5983] close(26 <unfinished ...>
[pid  5982] close(28 <unfinished ...>
[pid  5981] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5980] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] close(23 <unfinished ...>
[pid  5983] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5982] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5980] close(25 <unfinished ...>
[pid  5984] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5983] close(27 <unfinished ...>
[pid  5982] close(29 <unfinished ...>
[pid  5981] close(28 <unfinished ...>
[pid  5984] close(24 <unfinished ...>
[pid  5983] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5982] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5981] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5980] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5983] close(28 <unfinished ...>
[pid  5982] exit_group(0 <unfinished ...>
[pid  5981] close(29 <unfinished ...>
[pid  5980] close(26 <unfinished ...>
[pid  5984] close(25 <unfinished ...>
[pid  5983] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5982] <... exit_group resumed>)   = ?
[pid  5981] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5980] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5983] close(29 <unfinished ...>
[pid  5982] +++ exited with 0 +++
[pid  5981] exit_group(0 <unfinished ...>
[pid  5980] close(27 <unfinished ...>
[pid  5984] close(26 <unfinished ...>
[pid  5983] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5981] <... exit_group resumed>)   = ?
[pid  5980] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] close(27 <unfinished ...>
[pid  5983] exit_group(0 <unfinished ...>
[pid  5981] +++ exited with 0 +++
[pid  5980] close(28 <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5984] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5983] <... exit_group resumed>)   = ?
[pid  5980] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] close(28 <unfinished ...>
[pid  5980] close(29 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5984] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5980] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] close(29 <unfinished ...>
[pid  5980] exit_group(0 <unfinished ...>
[pid  5984] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5984] exit_group(0 <unfinished ...>
[pid  5980] <... exit_group resumed>)   = ?
[pid  5984] <... exit_group resumed>)   = ?
[pid  5983] +++ exited with 0 +++
[pid  5980] +++ exited with 0 +++
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5984] +++ exited with 0 +++
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5857] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5857] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5854] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5857] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] unlink("./23/binderfs")     = 0
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... openat resumed>)       = 3
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] close(3 <unfinished ...>
[pid  5855] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] rmdir("./23" <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] newfstatat(AT_FDCWD, "./23/binderfs",  <unfinished ...>
[pid  5854] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] mkdir("./24", 0777 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./23/binderfs",  <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./23/binderfs",  <unfinished ...>
[pid  5855] unlink("./23/binderfs" <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./22/binderfs", ./strace-static-x86_64: Process 5985 attached
 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] unlink("./23/binderfs" <unfinished ...>
[pid  5985] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 26
[pid  5856] unlink("./23/binderfs" <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] unlink("./22/binderfs" <unfinished ...>
[pid  5985] <... set_robust_list resumed>) = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  5855] close(3 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5985] chdir("./24" <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5985] <... chdir resumed>)        = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] rmdir("./23" <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5985] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] <... close resumed>)        = 0
[pid  5985] <... prctl resumed>)        = 0
[pid  5856] <... close resumed>)        = 0
[pid  5854] rmdir("./22" <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5985] setpgid(0, 0 <unfinished ...>
[pid  5856] rmdir("./23" <unfinished ...>
[pid  5855] mkdir("./24", 0777 <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] rmdir("./23" <unfinished ...>
[pid  5985] <... setpgid resumed>)      = 0
[pid  5856] <... rmdir resumed>)        = 0
[pid  5854] mkdir("./23", 0777)         = 0
[pid  5853] <... rmdir resumed>)        = 0
[pid  5985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] mkdir("./24", 0777./strace-static-x86_64: Process 5986 attached
 <unfinished ...>
[pid  5985] <... openat resumed>)       = 3
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] <... mkdir resumed>)        = 0
[pid  5853] mkdir("./24", 0777 <unfinished ...>
[pid  5985] write(3, "1000", 4 <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5986] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 25
[pid  5985] <... write resumed>)        = 4
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5986] <... set_robust_list resumed>) = 0
[pid  5985] close(3./strace-static-x86_64: Process 5987 attached
 <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5988 attached
./strace-static-x86_64: Process 5989 attached
 <unfinished ...>
[pid  5987] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5986] chdir("./23" <unfinished ...>
[pid  5985] <... close resumed>)        = 0
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 26
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 26
[pid  5989] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5988] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5986] <... chdir resumed>)        = 0
[pid  5985] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5989] <... set_robust_list resumed>) = 0
[pid  5988] <... set_robust_list resumed>) = 0
[pid  5987] <... set_robust_list resumed>) = 0
[pid  5986] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5989] chdir("./24" <unfinished ...>
[pid  5988] chdir("./24" <unfinished ...>
[pid  5987] chdir("./24" <unfinished ...>
[pid  5985] <... symlink resumed>)      = 0
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 26
[pid  5989] <... chdir resumed>)        = 0
[pid  5987] <... chdir resumed>)        = 0
[pid  5986] <... prctl resumed>)        = 0
[pid  5989] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5987] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5986] setpgid(0, 0 <unfinished ...>
[pid  5989] <... prctl resumed>)        = 0
[pid  5987] <... prctl resumed>)        = 0
[pid  5986] <... setpgid resumed>)      = 0
[pid  5989] setpgid(0, 0 <unfinished ...>
[pid  5988] <... chdir resumed>)        = 0
[pid  5987] setpgid(0, 0 <unfinished ...>
[pid  5986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
executing program
[pid  5985] write(1, "executing program\n", 18 <unfinished ...>
[pid  5989] <... setpgid resumed>)      = 0
[pid  5988] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5987] <... setpgid resumed>)      = 0
[pid  5985] <... write resumed>)        = 18
[pid  5988] <... prctl resumed>)        = 0
[pid  5988] setpgid(0, 0 <unfinished ...>
[pid  5987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5986] <... openat resumed>)       = 3
[pid  5985] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5988] <... setpgid resumed>)      = 0
[pid  5987] <... openat resumed>)       = 3
[pid  5988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5986] write(3, "1000", 4 <unfinished ...>
[pid  5987] write(3, "1000", 4 <unfinished ...>
[pid  5985] <... bpf resumed>)          = 3
[pid  5989] <... openat resumed>)       = 3
[pid  5987] <... write resumed>)        = 4
[pid  5986] <... write resumed>)        = 4
[pid  5989] write(3, "1000", 4)         = 4
[pid  5986] close(3 <unfinished ...>
[pid  5989] close(3 <unfinished ...>
[pid  5988] <... openat resumed>)       = 3
[pid  5987] close(3 <unfinished ...>
[pid  5986] <... close resumed>)        = 0
[pid  5985] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5989] <... close resumed>)        = 0
[pid  5987] <... close resumed>)        = 0
[pid  5986] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5989] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5987] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5986] <... symlink resumed>)      = 0
[pid  5988] write(3, "1000", 4 <unfinished ...>
[pid  5985] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5988] <... write resumed>)        = 4
[pid  5987] <... symlink resumed>)      = 0
[pid  5985] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144executing program
executing program
 <unfinished ...>
[pid  5989] <... symlink resumed>)      = 0
[pid  5988] close(3 <unfinished ...>
[pid  5987] write(1, "executing program\n", 18 <unfinished ...>
[pid  5986] write(1, "executing program\n", 18 <unfinished ...>
[pid  5989] write(1, "executing program\n", 18 <unfinished ...>
[pid  5988] <... close resumed>)        = 0
executing program
[pid  5987] <... write resumed>)        = 18
[pid  5986] <... write resumed>)        = 18
[pid  5985] <... bpf resumed>)          = 4
[pid  5989] <... write resumed>)        = 18
[pid  5988] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5989] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5988] <... symlink resumed>)      = 0
[pid  5987] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5986] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5985] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5989] <... bpf resumed>)          = 3
[pid  5988] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5987] <... bpf resumed>)          = 3
[pid  5986] <... bpf resumed>)          = 3
[pid  5985] <... bpf resumed>)          = 5
[pid  5988] <... write resumed>)        = 18
[pid  5986] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5989] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5987] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5986] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5989] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5988] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5987] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5989] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5986] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5985] close(3 <unfinished ...>
[pid  5988] <... bpf resumed>)          = 3
[pid  5987] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5985] <... close resumed>)        = 0
[pid  5989] <... bpf resumed>)          = 4
[pid  5988] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5985] close(4 <unfinished ...>
[pid  5988] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5987] <... bpf resumed>)          = 4
[pid  5986] <... bpf resumed>)          = 4
[pid  5989] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5985] <... close resumed>)        = 0
[pid  5988] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5985] close(5 <unfinished ...>
[pid  5989] <... bpf resumed>)          = 5
[pid  5988] <... bpf resumed>)          = 4
[pid  5987] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5986] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5985] <... close resumed>)        = 0
[pid  5985] close(6)                    = -1 EBADF (Bad file descriptor)
[pid  5988] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5985] close(7 <unfinished ...>
[pid  5988] <... bpf resumed>)          = 5
[pid  5989] close(3 <unfinished ...>
[pid  5987] <... bpf resumed>)          = 5
[pid  5986] <... bpf resumed>)          = 5
[pid  5985] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5989] <... close resumed>)        = 0
[pid  5985] close(8 <unfinished ...>
[pid  5989] close(4 <unfinished ...>
[pid  5988] close(3 <unfinished ...>
[pid  5985] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5989] <... close resumed>)        = 0
[pid  5988] <... close resumed>)        = 0
[pid  5987] close(3 <unfinished ...>
[pid  5986] close(3 <unfinished ...>
[pid  5985] close(9 <unfinished ...>
[pid  5989] close(5 <unfinished ...>
[pid  5988] close(4 <unfinished ...>
[pid  5987] <... close resumed>)        = 0
[pid  5986] <... close resumed>)        = 0
[pid  5985] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5989] <... close resumed>)        = 0
[pid  5988] <... close resumed>)        = 0
[pid  5987] close(4 <unfinished ...>
[pid  5986] close(4 <unfinished ...>
[pid  5985] close(10 <unfinished ...>
[pid  5989] close(6 <unfinished ...>
[pid  5988] close(5 <unfinished ...>
[pid  5987] <... close resumed>)        = 0
[pid  5986] <... close resumed>)        = 0
[pid  5985] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5989] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5988] <... close resumed>)        = 0
[pid  5987] close(5 <unfinished ...>
[pid  5986] close(5 <unfinished ...>
[pid  5985] close(11 <unfinished ...>
[pid  5989] close(7 <unfinished ...>
[pid  5988] close(6 <unfinished ...>
[pid  5985] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5988] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5985] close(12 <unfinished ...>
[pid  5988] close(7 <unfinished ...>
[pid  5985] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5988] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5985] close(13 <unfinished ...>
[pid  5988] close(8 <unfinished ...>
[pid  5985] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5988] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5985] close(14 <unfinished ...>
[pid  5988] close(9 <unfinished ...>
[pid  5985] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5988] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5985] close(15 <unfinished ...>
[pid  5988] close(10 <unfinished ...>
[pid  5985] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5988] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5988] close(11 <unfinished ...>
[pid  5985] close(16 <unfinished ...>
[pid  5989] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5987] <... close resumed>)        = 0
[pid  5988] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5985] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5988] close(12 <unfinished ...>
[pid  5985] close(17 <unfinished ...>
[pid  5986] <... close resumed>)        = 0
[pid  5989] close(8 <unfinished ...>
[pid  5988] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5987] close(6 <unfinished ...>
[pid  5985] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5989] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5988] close(13 <unfinished ...>
[pid  5987] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5985] close(18 <unfinished ...>
[pid  5989] close(9 <unfinished ...>
[pid  5988] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5987] close(7 <unfinished ...>
[pid  5986] close(6 <unfinished ...>
[pid  5985] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5989] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5987] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5986] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5989] close(10 <unfinished ...>
[pid  5987] close(8 <unfinished ...>
[pid  5986] close(7 <unfinished ...>
[pid  5989] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5987] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5986] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5989] close(11 <unfinished ...>
[pid  5987] close(9 <unfinished ...>
[pid  5986] close(8 <unfinished ...>
[pid  5989] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5987] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5986] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5989] close(12 <unfinished ...>
[pid  5987] close(10 <unfinished ...>
[pid  5986] close(9 <unfinished ...>
[pid  5989] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5987] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5986] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5989] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  5988] close(14 <unfinished ...>
[pid  5987] close(11 <unfinished ...>
[pid  5986] close(10 <unfinished ...>
[pid  5985] close(19 <unfinished ...>
[pid  5989] close(14 <unfinished ...>
[pid  5988] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5987] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5986] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5985] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5989] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5988] close(15 <unfinished ...>
[pid  5987] close(12 <unfinished ...>
[pid  5986] close(11 <unfinished ...>
[pid  5985] close(20 <unfinished ...>
[pid  5989] close(15 <unfinished ...>
[pid  5988] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5987] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5986] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5985] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5989] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5988] close(16 <unfinished ...>
[pid  5987] close(13 <unfinished ...>
[pid  5986] close(12 <unfinished ...>
[pid  5985] close(21 <unfinished ...>
[pid  5989] close(16 <unfinished ...>
[pid  5988] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5987] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5986] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5985] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5989] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5988] close(17 <unfinished ...>
[pid  5987] close(14 <unfinished ...>
[pid  5986] close(13 <unfinished ...>
[pid  5985] close(22 <unfinished ...>
[pid  5989] close(17 <unfinished ...>
[pid  5988] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5987] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5986] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5985] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5989] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5988] close(18 <unfinished ...>
[pid  5987] close(15 <unfinished ...>
[pid  5986] close(14 <unfinished ...>
[pid  5985] close(23 <unfinished ...>
[pid  5989] close(18 <unfinished ...>
[pid  5988] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5987] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5986] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5985] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5989] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5988] close(19 <unfinished ...>
[pid  5987] close(16 <unfinished ...>
[pid  5986] close(15 <unfinished ...>
[pid  5985] close(24 <unfinished ...>
[pid  5989] close(19 <unfinished ...>
[pid  5988] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5987] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5986] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5985] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5989] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5988] close(20 <unfinished ...>
[pid  5987] close(17 <unfinished ...>
[pid  5986] close(16 <unfinished ...>
[pid  5985] close(25 <unfinished ...>
[pid  5989] close(20 <unfinished ...>
[pid  5988] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5987] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5986] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5985] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5989] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5988] close(21 <unfinished ...>
[pid  5987] close(18 <unfinished ...>
[pid  5986] close(17 <unfinished ...>
[pid  5985] close(26 <unfinished ...>
[pid  5989] close(21 <unfinished ...>
[pid  5988] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5987] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5986] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5985] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5989] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5988] close(22 <unfinished ...>
[pid  5987] close(19 <unfinished ...>
[pid  5986] close(18 <unfinished ...>
[pid  5985] close(27 <unfinished ...>
[pid  5989] close(22 <unfinished ...>
[pid  5988] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5987] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5986] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5985] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5989] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5988] close(23 <unfinished ...>
[pid  5987] close(20 <unfinished ...>
[pid  5986] close(19 <unfinished ...>
[pid  5985] close(28 <unfinished ...>
[pid  5989] close(23 <unfinished ...>
[pid  5988] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5987] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5986] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5985] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5989] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5988] close(24 <unfinished ...>
[pid  5987] close(21 <unfinished ...>
[pid  5986] close(20 <unfinished ...>
[pid  5985] close(29 <unfinished ...>
[pid  5989] close(24 <unfinished ...>
[pid  5988] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5987] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5986] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5985] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5989] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5988] close(25 <unfinished ...>
[pid  5987] close(22 <unfinished ...>
[pid  5986] close(21 <unfinished ...>
[pid  5985] exit_group(0 <unfinished ...>
[pid  5989] close(25 <unfinished ...>
[pid  5988] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5987] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5986] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5985] <... exit_group resumed>)   = ?
[pid  5989] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5988] close(26 <unfinished ...>
[pid  5987] close(23 <unfinished ...>
[pid  5986] close(22 <unfinished ...>
[pid  5985] +++ exited with 0 +++
[pid  5989] close(26 <unfinished ...>
[pid  5988] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5987] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5989] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5988] close(27 <unfinished ...>
[pid  5987] close(24 <unfinished ...>
[pid  5986] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5989] close(27 <unfinished ...>
[pid  5988] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5987] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5986] close(23 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5989] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5988] close(28 <unfinished ...>
[pid  5987] close(25 <unfinished ...>
[pid  5986] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5988] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5988] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  5988] exit_group(0 <unfinished ...>
[pid  5989] close(28 <unfinished ...>
[pid  5987] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5989] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5987] close(26 <unfinished ...>
[pid  5986] close(24 <unfinished ...>
[pid  5989] close(29 <unfinished ...>
[pid  5987] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5986] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5989] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5988] <... exit_group resumed>)   = ?
[pid  5987] close(27 <unfinished ...>
[pid  5989] exit_group(0 <unfinished ...>
[pid  5988] +++ exited with 0 +++
[pid  5987] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5986] close(25 <unfinished ...>
[pid  5989] <... exit_group resumed>)   = ?
[pid  5987] close(28 <unfinished ...>
[pid  5986] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5987] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5987] close(29 <unfinished ...>
[pid  5986] close(26 <unfinished ...>
[pid  5987] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5989] +++ exited with 0 +++
[pid  5987] exit_group(0 <unfinished ...>
[pid  5986] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5987] <... exit_group resumed>)   = ?
[pid  5986] close(27 <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5987] +++ exited with 0 +++
[pid  5986] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5986] close(28 <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5855] <... openat resumed>)       = 3
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5986] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5986] close(29 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5986] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... openat resumed>)       = 3
[pid  5855] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5855] newfstatat(AT_FDCWD, "./24/binderfs",  <unfinished ...>
[pid  5986] exit_group(0 <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5986] <... exit_group resumed>)   = ?
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] unlink("./24/binderfs" <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5857] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... openat resumed>)       = 3
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5986] +++ exited with 0 +++
[pid  5857] newfstatat(AT_FDCWD, "./24/binderfs",  <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] <... close resumed>)        = 0
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] unlink("./24/binderfs" <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] rmdir("./24" <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] newfstatat(AT_FDCWD, "./24/binderfs",  <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] close(3 <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./24/binderfs",  <unfinished ...>
[pid  5853] unlink("./24/binderfs" <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5857] rmdir("./24" <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  5857] <... rmdir resumed>)        = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  5856] unlink("./24/binderfs" <unfinished ...>
[pid  5855] mkdir("./25", 0777 <unfinished ...>
[pid  5857] mkdir("./25", 0777 <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5855] <... mkdir resumed>)        = 0
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... close resumed>)        = 0
[pid  5856] close(3 <unfinished ...>
[pid  5853] rmdir("./24" <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5853] <... rmdir resumed>)        = 0
./strace-static-x86_64: Process 5991 attached
./strace-static-x86_64: Process 5990 attached
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 27
[pid  5856] rmdir("./24" <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 27
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5990] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5853] mkdir("./25", 0777 <unfinished ...>
[pid  5991] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5990] <... set_robust_list resumed>) = 0
[pid  5856] mkdir("./25", 0777 <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5991] <... set_robust_list resumed>) = 0
[pid  5991] chdir("./25" <unfinished ...>
[pid  5990] chdir("./25" <unfinished ...>
[pid  5991] <... chdir resumed>)        = 0
[pid  5856] <... mkdir resumed>)        = 0
[pid  5991] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5990] <... chdir resumed>)        = 0
[pid  5854] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5991] setpgid(0, 0 <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5991] <... setpgid resumed>)      = 0
[pid  5991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
./strace-static-x86_64: Process 5993 attached
./strace-static-x86_64: Process 5992 attached
[pid  5990] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5990] <... prctl resumed>)        = 0
[pid  5992] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5991] write(3, "1000", 4 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 27
[pid  5854] <... openat resumed>)       = 3
[pid  5992] <... set_robust_list resumed>) = 0
[pid  5991] <... write resumed>)        = 4
[pid  5993] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5992] chdir("./25" <unfinished ...>
[pid  5991] close(3 <unfinished ...>
[pid  5990] setpgid(0, 0 <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 27
[pid  5993] <... set_robust_list resumed>) = 0
[pid  5991] <... close resumed>)        = 0
[pid  5990] <... setpgid resumed>)      = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5992] <... chdir resumed>)        = 0
[pid  5991] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
executing program
[pid  5993] chdir("./25" <unfinished ...>
[pid  5992] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5991] <... symlink resumed>)      = 0
[pid  5990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5992] <... prctl resumed>)        = 0
[pid  5991] write(1, "executing program\n", 18 <unfinished ...>
[pid  5854] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5993] <... chdir resumed>)        = 0
[pid  5992] setpgid(0, 0 <unfinished ...>
[pid  5991] <... write resumed>)        = 18
[pid  5990] <... openat resumed>)       = 3
[pid  5993] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5992] <... setpgid resumed>)      = 0
[pid  5991] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5993] <... prctl resumed>)        = 0
[pid  5992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5991] <... bpf resumed>)          = 3
[pid  5990] write(3, "1000", 4 <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./23/binderfs",  <unfinished ...>
[pid  5993] setpgid(0, 0 <unfinished ...>
[pid  5992] <... openat resumed>)       = 3
[pid  5991] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5990] <... write resumed>)        = 4
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5993] <... setpgid resumed>)      = 0
[pid  5992] write(3, "1000", 4 <unfinished ...>
[pid  5991] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5990] close(3 <unfinished ...>
[pid  5854] unlink("./23/binderfs" <unfinished ...>
[pid  5993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5992] <... write resumed>)        = 4
[pid  5991] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5990] <... close resumed>)        = 0
[pid  5993] <... openat resumed>)       = 3
[pid  5854] <... unlink resumed>)       = 0
[pid  5990] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5993] write(3, "1000", 4 <unfinished ...>
[pid  5992] close(3 <unfinished ...>
[pid  5990] <... symlink resumed>)      = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5993] <... write resumed>)        = 4
[pid  5992] <... close resumed>)        = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5993] close(3 <unfinished ...>
[pid  5992] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5990] write(1, "executing program\n", 18 <unfinished ...>
[pid  5854] close(3executing program
 <unfinished ...>
[pid  5993] <... close resumed>)        = 0
[pid  5992] <... symlink resumed>)      = 0
[pid  5991] <... bpf resumed>)          = 4
[pid  5990] <... write resumed>)        = 18
[pid  5854] <... close resumed>)        = 0
[pid  5993] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5992] write(1, "executing program\n", 18 <unfinished ...>
[pid  5990] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5993] <... symlink resumed>)      = 0
executing program
[pid  5854] rmdir("./23" <unfinished ...>
[pid  5990] <... bpf resumed>)          = 3
[pid  5992] <... write resumed>)        = 18
[pid  5991] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
executing program
[pid  5990] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5993] write(1, "executing program\n", 18 <unfinished ...>
[pid  5992] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5991] <... bpf resumed>)          = 5
[pid  5854] <... rmdir resumed>)        = 0
[pid  5993] <... write resumed>)        = 18
[pid  5992] <... bpf resumed>)          = 3
[pid  5990] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5992] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5991] close(3 <unfinished ...>
[pid  5993] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5992] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5991] <... close resumed>)        = 0
[pid  5990] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5854] mkdir("./24", 0777 <unfinished ...>
[pid  5993] <... bpf resumed>)          = 3
[pid  5992] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5991] close(4 <unfinished ...>
[pid  5993] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5992] <... bpf resumed>)          = 4
[pid  5991] <... close resumed>)        = 0
[pid  5990] <... bpf resumed>)          = 4
[pid  5854] <... mkdir resumed>)        = 0
[pid  5993] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5991] close(5 <unfinished ...>
[pid  5992] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5991] <... close resumed>)        = 0
[pid  5993] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5992] <... bpf resumed>)          = 5
[pid  5990] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16./strace-static-x86_64: Process 5994 attached
 <unfinished ...>
[pid  5991] close(6 <unfinished ...>
[pid  5994] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5992] close(3 <unfinished ...>
[pid  5991] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5994] <... set_robust_list resumed>) = 0
[pid  5993] <... bpf resumed>)          = 4
[pid  5992] <... close resumed>)        = 0
[pid  5991] close(7 <unfinished ...>
[pid  5994] chdir("./24" <unfinished ...>
[pid  5991] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] <... bpf resumed>)          = 5
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 26
[pid  5993] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5990] close(3 <unfinished ...>
[pid  5994] <... chdir resumed>)        = 0
[pid  5993] <... bpf resumed>)          = 5
[pid  5992] close(4 <unfinished ...>
[pid  5991] close(8 <unfinished ...>
[pid  5990] <... close resumed>)        = 0
[pid  5994] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5992] <... close resumed>)        = 0
[pid  5991] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5994] <... prctl resumed>)        = 0
[pid  5992] close(5 <unfinished ...>
[pid  5991] close(9 <unfinished ...>
[pid  5994] setpgid(0, 0 <unfinished ...>
[pid  5993] close(3 <unfinished ...>
[pid  5992] <... close resumed>)        = 0
[pid  5991] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] close(4 <unfinished ...>
[pid  5994] <... setpgid resumed>)      = 0
[pid  5993] <... close resumed>)        = 0
[pid  5992] close(6 <unfinished ...>
[pid  5991] close(10 <unfinished ...>
[pid  5994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5993] close(4 <unfinished ...>
[pid  5992] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5991] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] <... close resumed>)        = 0
[pid  5993] <... close resumed>)        = 0
[pid  5992] close(7 <unfinished ...>
[pid  5991] close(11 <unfinished ...>
[pid  5990] close(5 <unfinished ...>
[pid  5994] <... openat resumed>)       = 3
[pid  5993] close(5 <unfinished ...>
[pid  5992] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5991] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5994] write(3, "1000", 4 <unfinished ...>
[pid  5992] close(8 <unfinished ...>
[pid  5991] close(12 <unfinished ...>
[pid  5994] <... write resumed>)        = 4
[pid  5992] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5991] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] <... close resumed>)        = 0
[pid  5994] close(3 <unfinished ...>
[pid  5992] close(9 <unfinished ...>
[pid  5991] close(13 <unfinished ...>
[pid  5993] <... close resumed>)        = 0
[pid  5994] <... close resumed>)        = 0
[pid  5992] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5991] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5994] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5992] close(10 <unfinished ...>
[pid  5991] close(14 <unfinished ...>
[pid  5994] <... symlink resumed>)      = 0
[pid  5993] close(6 <unfinished ...>
[pid  5992] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5991] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] close(6 <unfinished ...>
[pid  5993] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5993] close(7 <unfinished ...>
[pid  5990] close(7 <unfinished ...>
[pid  5993] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5993] close(8 <unfinished ...>
[pid  5990] close(8 <unfinished ...>
[pid  5993] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5993] close(9 <unfinished ...>
[pid  5990] close(9 <unfinished ...>
[pid  5994] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5993] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5992] close(11 <unfinished ...>
[pid  5991] close(15 <unfinished ...>
[pid  5990] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5994] <... write resumed>)        = 18
[pid  5993] close(10 <unfinished ...>
[pid  5992] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5991] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] close(10 <unfinished ...>
[pid  5994] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5992] close(12 <unfinished ...>
[pid  5991] close(16 <unfinished ...>
[pid  5994] <... bpf resumed>)          = 3
[pid  5993] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5992] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5991] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5994] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5993] close(11 <unfinished ...>
[pid  5992] close(13 <unfinished ...>
[pid  5991] close(17 <unfinished ...>
[pid  5990] close(11 <unfinished ...>
[pid  5994] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5993] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5992] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5991] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5994] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5993] close(12 <unfinished ...>
[pid  5992] close(14 <unfinished ...>
[pid  5991] close(18 <unfinished ...>
[pid  5994] <... bpf resumed>)          = 4
[pid  5993] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5992] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5991] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] close(12 <unfinished ...>
[pid  5993] close(13 <unfinished ...>
[pid  5990] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5993] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5993] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  5990] close(13 <unfinished ...>
[pid  5993] close(15 <unfinished ...>
[pid  5990] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5993] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] close(14 <unfinished ...>
[pid  5993] close(16 <unfinished ...>
[pid  5990] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5993] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] close(15 <unfinished ...>
[pid  5993] close(17 <unfinished ...>
[pid  5994] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5992] close(15 <unfinished ...>
[pid  5991] close(19 <unfinished ...>
[pid  5994] <... bpf resumed>)          = 5
[pid  5993] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5992] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5991] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5994] close(3 <unfinished ...>
[pid  5993] close(18 <unfinished ...>
[pid  5992] close(16 <unfinished ...>
[pid  5991] close(20 <unfinished ...>
[pid  5990] close(16 <unfinished ...>
[pid  5994] <... close resumed>)        = 0
[pid  5993] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5992] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5991] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5994] close(4 <unfinished ...>
[pid  5993] close(19 <unfinished ...>
[pid  5992] close(17 <unfinished ...>
[pid  5991] close(21 <unfinished ...>
[pid  5990] close(17 <unfinished ...>
[pid  5994] <... close resumed>)        = 0
[pid  5993] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5992] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5991] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5994] close(5 <unfinished ...>
[pid  5993] close(20 <unfinished ...>
[pid  5992] close(18 <unfinished ...>
[pid  5991] close(22 <unfinished ...>
[pid  5990] close(18 <unfinished ...>
[pid  5994] <... close resumed>)        = 0
[pid  5993] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5992] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5991] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5993] close(21 <unfinished ...>
[pid  5992] close(19 <unfinished ...>
[pid  5990] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5993] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5992] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5991] close(23 <unfinished ...>
[pid  5990] close(19 <unfinished ...>
[pid  5993] close(22 <unfinished ...>
[pid  5992] close(20 <unfinished ...>
[pid  5991] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5994] close(6 <unfinished ...>
[pid  5993] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5992] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5991] close(24 <unfinished ...>
[pid  5994] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5992] close(21 <unfinished ...>
[pid  5991] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] close(20 <unfinished ...>
[pid  5994] close(7 <unfinished ...>
[pid  5992] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5991] close(25 <unfinished ...>
[pid  5994] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5993] close(23 <unfinished ...>
[pid  5992] close(22 <unfinished ...>
[pid  5991] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5994] close(8 <unfinished ...>
[pid  5993] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5992] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5991] close(26 <unfinished ...>
[pid  5990] close(21 <unfinished ...>
[pid  5994] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5993] close(24 <unfinished ...>
[pid  5992] close(23 <unfinished ...>
[pid  5991] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5994] close(9 <unfinished ...>
[pid  5993] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5992] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5991] close(27 <unfinished ...>
[pid  5990] close(22 <unfinished ...>
[pid  5994] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5993] close(25 <unfinished ...>
[pid  5992] close(24 <unfinished ...>
[pid  5991] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5994] close(10 <unfinished ...>
[pid  5993] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5992] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5991] close(28 <unfinished ...>
[pid  5990] close(23 <unfinished ...>
[pid  5994] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5993] close(26 <unfinished ...>
[pid  5992] close(25 <unfinished ...>
[pid  5991] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5994] close(11 <unfinished ...>
[pid  5993] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5992] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5991] close(29 <unfinished ...>
[pid  5990] close(24 <unfinished ...>
[pid  5994] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5993] close(27 <unfinished ...>
[pid  5992] close(26 <unfinished ...>
[pid  5991] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5994] close(12 <unfinished ...>
[pid  5993] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5992] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5991] exit_group(0 <unfinished ...>
[pid  5994] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5993] close(28 <unfinished ...>
[pid  5992] close(27 <unfinished ...>
[pid  5991] <... exit_group resumed>)   = ?
[pid  5990] close(25 <unfinished ...>
[pid  5994] close(13 <unfinished ...>
[pid  5993] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5992] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5991] +++ exited with 0 +++
[pid  5990] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5994] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5993] close(29 <unfinished ...>
[pid  5992] close(28 <unfinished ...>
[pid  5990] close(26 <unfinished ...>
[pid  5994] close(14 <unfinished ...>
[pid  5993] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5992] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5994] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5993] exit_group(0 <unfinished ...>
[pid  5992] close(29 <unfinished ...>
[pid  5990] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5994] close(15 <unfinished ...>
[pid  5993] <... exit_group resumed>)   = ?
[pid  5992] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] close(27 <unfinished ...>
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5994] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5992] exit_group(0 <unfinished ...>
[pid  5994] close(16 <unfinished ...>
[pid  5992] <... exit_group resumed>)   = ?
[pid  5994] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5993] +++ exited with 0 +++
[pid  5992] +++ exited with 0 +++
[pid  5990] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5994] close(17 <unfinished ...>
[pid  5990] close(28 <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5994] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5994] close(18 <unfinished ...>
[pid  5990] close(29 <unfinished ...>
[pid  5994] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5994] close(19 <unfinished ...>
[pid  5856] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5994] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] exit_group(0 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5994] close(20 <unfinished ...>
[pid  5990] <... exit_group resumed>)   = ?
[pid  5855] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5994] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5994] close(21 <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5994] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5994] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5994] close(23 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5994] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5990] +++ exited with 0 +++
[pid  5855] <... openat resumed>)       = 3
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5994] close(24 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5994] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5994] close(25 <unfinished ...>
[pid  5856] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5994] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5994] close(26 <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./25/binderfs",  <unfinished ...>
[pid  5994] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5994] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  5994] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  5856] unlink("./25/binderfs" <unfinished ...>
[pid  5994] close(29 <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5994] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5994] exit_group(0 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5994] <... exit_group resumed>)   = ?
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5994] +++ exited with 0 +++
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] close(3 <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5855] newfstatat(AT_FDCWD, "./25/binderfs",  <unfinished ...>
[pid  5856] rmdir("./25" <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] <... rmdir resumed>)        = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] mkdir("./26", 0777 <unfinished ...>
[pid  5855] unlink("./25/binderfs" <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] <... unlink resumed>)       = 0
[pid  5853] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./25/binderfs",  <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5857] unlink("./25/binderfs" <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./25/binderfs",  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] <... unlink resumed>)       = 0
[pid  5855] close(3 <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
./strace-static-x86_64: Process 5995 attached
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] unlink("./25/binderfs" <unfinished ...>
[pid  5995] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 28
[pid  5855] rmdir("./25" <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  5995] <... set_robust_list resumed>) = 0
[pid  5857] close(3 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5855] mkdir("./26", 0777 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5995] chdir("./26" <unfinished ...>
[pid  5857] rmdir("./25" <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5995] <... chdir resumed>)        = 0
[pid  5857] <... rmdir resumed>)        = 0
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... close resumed>)        = 0
[pid  5995] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5853] rmdir("./25" <unfinished ...>
[pid  5995] <... prctl resumed>)        = 0
[pid  5857] mkdir("./26", 0777 <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./24/binderfs",  <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
./strace-static-x86_64: Process 5996 attached
[pid  5995] setpgid(0, 0 <unfinished ...>
[pid  5853] mkdir("./26", 0777 <unfinished ...>
[pid  5996] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5995] <... setpgid resumed>)      = 0
[pid  5857] <... mkdir resumed>)        = 0
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 28
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  5996] <... set_robust_list resumed>) = 0
[pid  5995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] unlink("./24/binderfs" <unfinished ...>
[pid  5996] chdir("./26" <unfinished ...>
[pid  5995] <... openat resumed>)       = 3
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5998 attached
./strace-static-x86_64: Process 5997 attached
 <unfinished ...>
[pid  5996] <... chdir resumed>)        = 0
[pid  5995] write(3, "1000", 4 <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5998] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5996] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5995] <... write resumed>)        = 4
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 28
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5998] <... set_robust_list resumed>) = 0
[pid  5997] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5996] <... prctl resumed>)        = 0
[pid  5995] close(3 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 28
[pid  5998] chdir("./26" <unfinished ...>
[pid  5997] <... set_robust_list resumed>) = 0
[pid  5996] setpgid(0, 0 <unfinished ...>
[pid  5995] <... close resumed>)        = 0
[pid  5854] close(3 <unfinished ...>
[pid  5995] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5996] <... setpgid resumed>)      = 0
[pid  5995] <... symlink resumed>)      = 0
[pid  5854] rmdir("./24" <unfinished ...>
[pid  5997] chdir("./26" <unfinished ...>
executing program
[pid  5996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5995] write(1, "executing program\n", 18 <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  5998] <... chdir resumed>)        = 0
[pid  5995] <... write resumed>)        = 18
[pid  5854] mkdir("./25", 0777 <unfinished ...>
[pid  5998] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5997] <... chdir resumed>)        = 0
[pid  5996] <... openat resumed>)       = 3
[pid  5995] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5998] <... prctl resumed>)        = 0
[pid  5997] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5996] write(3, "1000", 4 <unfinished ...>
[pid  5997] <... prctl resumed>)        = 0
[pid  5998] setpgid(0, 0)               = 0
[pid  5997] setpgid(0, 0 <unfinished ...>
[pid  5996] <... write resumed>)        = 4
[pid  5995] <... bpf resumed>)          = 3
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5997] <... setpgid resumed>)      = 0
[pid  5996] close(3 <unfinished ...>
[pid  5995] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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 5999 attached
 <unfinished ...>
[pid  5997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5996] <... close resumed>)        = 0
[pid  5999] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5998] <... openat resumed>)       = 3
[pid  5995] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5999] <... set_robust_list resumed>) = 0
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 27
[pid  5999] chdir("./25" <unfinished ...>
[pid  5998] write(3, "1000", 4 <unfinished ...>
[pid  5997] <... openat resumed>)       = 3
[pid  5996] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5995] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5997] write(3, "1000", 4executing program
 <unfinished ...>
[pid  5996] <... symlink resumed>)      = 0
[pid  5997] <... write resumed>)        = 4
[pid  5996] write(1, "executing program\n", 18 <unfinished ...>
[pid  5999] <... chdir resumed>)        = 0
[pid  5998] <... write resumed>)        = 4
[pid  5997] close(3 <unfinished ...>
[pid  5996] <... write resumed>)        = 18
[pid  5999] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5998] close(3 <unfinished ...>
[pid  5996] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5999] <... prctl resumed>)        = 0
[pid  5998] <... close resumed>)        = 0
[pid  5997] <... close resumed>)        = 0
[pid  5995] <... bpf resumed>)          = 4
[pid  5999] setpgid(0, 0 <unfinished ...>
[pid  5998] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5999] <... setpgid resumed>)      = 0
[pid  5997] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5996] <... bpf resumed>)          = 3
[pid  5995] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5996] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5999] <... openat resumed>)       = 3
[pid  5998] <... symlink resumed>)      = 0
[pid  5997] <... symlink resumed>)      = 0
[pid  5996] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5995] <... bpf resumed>)          = 5
[pid  5999] write(3, "1000", 4 <unfinished ...>
[pid  5998] write(1, "executing program\n", 18 <unfinished ...>
[pid  5997] write(1, "executing program\n", 18 <unfinished ...>
executing program
executing program
[pid  5996] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5999] <... write resumed>)        = 4
[pid  5998] <... write resumed>)        = 18
[pid  5997] <... write resumed>)        = 18
[pid  5995] close(3 <unfinished ...>
[pid  5997] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5999] close(3 <unfinished ...>
[pid  5998] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5996] <... bpf resumed>)          = 4
[pid  5999] <... close resumed>)        = 0
[pid  5995] <... close resumed>)        = 0
[pid  5997] <... bpf resumed>)          = 3
[pid  5999] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5998] <... bpf resumed>)          = 3
[pid  5996] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5995] close(4 <unfinished ...>
[pid  5997] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5999] <... symlink resumed>)      = 0
[pid  5998] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5997] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5996] <... bpf resumed>)          = 5
[pid  5995] <... close resumed>)        = 0
executing program
[pid  5999] write(1, "executing program\n", 18 <unfinished ...>
[pid  5998] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5997] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5995] close(5 <unfinished ...>
[pid  5999] <... write resumed>)        = 18
[pid  5998] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5997] <... bpf resumed>)          = 4
[pid  5996] close(3 <unfinished ...>
[pid  5999] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5995] <... close resumed>)        = 0
[pid  5996] <... close resumed>)        = 0
[pid  5997] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5998] <... bpf resumed>)          = 4
[pid  5997] <... bpf resumed>)          = 5
[pid  5999] <... bpf resumed>)          = 3
[pid  5996] close(4 <unfinished ...>
[pid  5997] close(3 <unfinished ...>
[pid  5999] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5998] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5996] <... close resumed>)        = 0
[pid  5995] close(6 <unfinished ...>
[pid  5999] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5998] <... bpf resumed>)          = 5
[pid  5997] <... close resumed>)        = 0
[pid  5996] close(5 <unfinished ...>
[pid  5995] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5999] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5998] close(3 <unfinished ...>
[pid  5997] close(4 <unfinished ...>
[pid  5996] <... close resumed>)        = 0
[pid  5995] close(7 <unfinished ...>
[pid  5999] <... bpf resumed>)          = 4
[pid  5998] <... close resumed>)        = 0
[pid  5997] <... close resumed>)        = 0
[pid  5996] close(6 <unfinished ...>
[pid  5995] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5998] close(4 <unfinished ...>
[pid  5997] close(5 <unfinished ...>
[pid  5996] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5998] <... close resumed>)        = 0
[pid  5997] <... close resumed>)        = 0
[pid  5995] close(8 <unfinished ...>
[pid  5999] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5995] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5999] <... bpf resumed>)          = 5
[pid  5998] close(5 <unfinished ...>
[pid  5997] close(6 <unfinished ...>
[pid  5996] close(7 <unfinished ...>
[pid  5995] close(9 <unfinished ...>
[pid  5996] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5995] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5997] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5995] close(10 <unfinished ...>
[pid  5998] <... close resumed>)        = 0
[pid  5997] close(7 <unfinished ...>
[pid  5996] close(8 <unfinished ...>
[pid  5995] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5999] close(3 <unfinished ...>
[pid  5998] close(6 <unfinished ...>
[pid  5997] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5996] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5995] close(11 <unfinished ...>
[pid  5999] <... close resumed>)        = 0
[pid  5998] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5997] close(8 <unfinished ...>
[pid  5996] close(9 <unfinished ...>
[pid  5995] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5999] close(4 <unfinished ...>
[pid  5998] close(7 <unfinished ...>
[pid  5997] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5996] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5995] close(12 <unfinished ...>
[pid  5999] <... close resumed>)        = 0
[pid  5998] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5997] close(9 <unfinished ...>
[pid  5996] close(10 <unfinished ...>
[pid  5995] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5999] close(5 <unfinished ...>
[pid  5998] close(8 <unfinished ...>
[pid  5997] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5996] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5995] close(13 <unfinished ...>
[pid  5999] <... close resumed>)        = 0
[pid  5998] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5997] close(10 <unfinished ...>
[pid  5996] close(11 <unfinished ...>
[pid  5995] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5998] close(9 <unfinished ...>
[pid  5996] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5998] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5997] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5996] close(12 <unfinished ...>
[pid  5998] close(10 <unfinished ...>
[pid  5996] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5995] close(14 <unfinished ...>
[pid  5998] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5996] close(13 <unfinished ...>
[pid  5998] close(11 <unfinished ...>
[pid  5996] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5999] close(6 <unfinished ...>
[pid  5997] close(11 <unfinished ...>
[pid  5996] close(14 <unfinished ...>
[pid  5995] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5999] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5998] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5997] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5996] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5995] close(15 <unfinished ...>
[pid  5999] close(7 <unfinished ...>
[pid  5998] close(12 <unfinished ...>
[pid  5997] close(12 <unfinished ...>
[pid  5996] close(15 <unfinished ...>
[pid  5995] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5999] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5998] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5997] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5996] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5995] close(16 <unfinished ...>
[pid  5999] close(8 <unfinished ...>
[pid  5998] close(13 <unfinished ...>
[pid  5997] close(13 <unfinished ...>
[pid  5996] close(16 <unfinished ...>
[pid  5995] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5999] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5998] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5997] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5996] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5995] close(17 <unfinished ...>
[pid  5999] close(9 <unfinished ...>
[pid  5998] close(14 <unfinished ...>
[pid  5997] close(14 <unfinished ...>
[pid  5996] close(17 <unfinished ...>
[pid  5995] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5999] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5998] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5997] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5996] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5995] close(18 <unfinished ...>
[pid  5999] close(10 <unfinished ...>
[pid  5998] close(15 <unfinished ...>
[pid  5997] close(15 <unfinished ...>
[pid  5996] close(18 <unfinished ...>
[pid  5995] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5999] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5998] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5997] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5996] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5995] close(19 <unfinished ...>
[pid  5999] close(11 <unfinished ...>
[pid  5998] close(16 <unfinished ...>
[pid  5997] close(16 <unfinished ...>
[pid  5996] close(19 <unfinished ...>
[pid  5995] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5999] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5998] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5997] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5996] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5995] close(20 <unfinished ...>
[pid  5999] close(12 <unfinished ...>
[pid  5998] close(17 <unfinished ...>
[pid  5997] close(17 <unfinished ...>
[pid  5995] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5999] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5998] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5997] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5995] close(21 <unfinished ...>
[pid  5999] close(13 <unfinished ...>
[pid  5998] close(18 <unfinished ...>
[pid  5997] close(18 <unfinished ...>
[pid  5996] close(20 <unfinished ...>
[pid  5995] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5999] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5998] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5997] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5996] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5995] close(22 <unfinished ...>
[pid  5999] close(14 <unfinished ...>
[pid  5998] close(19 <unfinished ...>
[pid  5997] close(19 <unfinished ...>
[pid  5996] close(21 <unfinished ...>
[pid  5999] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5998] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5997] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5996] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5995] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5999] close(15 <unfinished ...>
[pid  5998] close(20 <unfinished ...>
[pid  5997] close(20 <unfinished ...>
[pid  5996] close(22 <unfinished ...>
[pid  5995] close(23 <unfinished ...>
[pid  5999] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5998] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5997] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5996] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5995] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5999] close(16 <unfinished ...>
[pid  5998] close(21 <unfinished ...>
[pid  5997] close(21 <unfinished ...>
[pid  5996] close(23 <unfinished ...>
[pid  5995] close(24 <unfinished ...>
[pid  5999] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5998] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5997] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5996] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5995] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5996] close(24 <unfinished ...>
[pid  5999] close(17 <unfinished ...>
[pid  5998] close(22 <unfinished ...>
[pid  5997] close(22 <unfinished ...>
[pid  5996] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5995] close(25 <unfinished ...>
[pid  5999] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5998] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5997] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5996] close(25 <unfinished ...>
[pid  5995] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5999] close(18 <unfinished ...>
[pid  5998] close(23 <unfinished ...>
[pid  5997] close(23 <unfinished ...>
[pid  5996] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5995] close(26 <unfinished ...>
[pid  5999] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5998] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5997] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5996] close(26 <unfinished ...>
[pid  5995] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5999] close(19 <unfinished ...>
[pid  5998] close(24 <unfinished ...>
[pid  5997] close(24 <unfinished ...>
[pid  5996] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5995] close(27 <unfinished ...>
[pid  5999] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5998] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5997] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5996] close(27 <unfinished ...>
[pid  5995] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5999] close(20 <unfinished ...>
[pid  5998] close(25 <unfinished ...>
[pid  5997] close(25 <unfinished ...>
[pid  5996] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5995] close(28 <unfinished ...>
[pid  5999] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5998] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5997] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5996] close(28 <unfinished ...>
[pid  5995] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5999] close(21 <unfinished ...>
[pid  5998] close(26 <unfinished ...>
[pid  5997] close(26 <unfinished ...>
[pid  5996] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5995] close(29 <unfinished ...>
[pid  5999] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5998] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5997] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5996] close(29 <unfinished ...>
[pid  5995] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5999] close(22 <unfinished ...>
[pid  5998] close(27 <unfinished ...>
[pid  5997] close(27 <unfinished ...>
[pid  5996] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5995] exit_group(0 <unfinished ...>
[pid  5999] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5998] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5997] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5995] <... exit_group resumed>)   = ?
[pid  5999] close(23 <unfinished ...>
[pid  5998] close(28 <unfinished ...>
[pid  5997] close(28 <unfinished ...>
[pid  5999] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5998] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5997] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5996] exit_group(0 <unfinished ...>
[pid  5995] +++ exited with 0 +++
[pid  5999] close(24 <unfinished ...>
[pid  5998] close(29 <unfinished ...>
[pid  5997] close(29 <unfinished ...>
[pid  5996] <... exit_group resumed>)   = ?
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5999] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5998] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5997] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5999] close(25 <unfinished ...>
[pid  5998] exit_group(0 <unfinished ...>
[pid  5997] exit_group(0 <unfinished ...>
[pid  5999] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5999] close(26 <unfinished ...>
[pid  5998] <... exit_group resumed>)   = ?
[pid  5997] <... exit_group resumed>)   = ?
[pid  5856] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5999] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5998] +++ exited with 0 +++
[pid  5997] +++ exited with 0 +++
[pid  5996] +++ exited with 0 +++
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5999] close(27 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5999] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5999] close(28 <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5999] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5999] close(29 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5999] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5999] exit_group(0)               = ?
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5999] +++ exited with 0 +++
[pid  5856] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... openat resumed>)       = 3
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5856] newfstatat(AT_FDCWD, "./26/binderfs",  <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5856] unlink("./26/binderfs" <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5857] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] newfstatat(AT_FDCWD, "./26/binderfs",  <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./26/binderfs",  <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] unlink("./26/binderfs" <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... openat resumed>)       = 3
[pid  5856] close(3 <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] unlink("./26/binderfs" <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] <... openat resumed>)       = 3
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] rmdir("./26" <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] mkdir("./27", 0777 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5857] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] close(3 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5854] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] newfstatat(AT_FDCWD, "./26/binderfs",  <unfinished ...>
[pid  5855] rmdir("./26" <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
./strace-static-x86_64: Process 6000 attached
[pid  5853] close(3 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  6000] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5855] mkdir("./27", 0777 <unfinished ...>
[pid  6000] <... set_robust_list resumed>) = 0
[pid  5853] rmdir("./26" <unfinished ...>
[pid  5857] unlink("./26/binderfs" <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 29
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] newfstatat(AT_FDCWD, "./25/binderfs",  <unfinished ...>
[pid  6000] chdir("./27" <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  6000] <... chdir resumed>)        = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] mkdir("./27", 0777 <unfinished ...>
[pid  6000] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5854] unlink("./25/binderfs" <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  6000] <... prctl resumed>)        = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6000] setpgid(0, 0 <unfinished ...>
[pid  5857] close(3)                    = 0
./strace-static-x86_64: Process 6001 attached
[pid  5857] rmdir("./26" <unfinished ...>
[pid  6001] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6000] <... setpgid resumed>)      = 0
[pid  5857] <... rmdir resumed>)        = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6001] <... set_robust_list resumed>) = 0
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 29
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5857] mkdir("./27", 0777)         = 0
./strace-static-x86_64: Process 6002 attached
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6001] chdir("./27" <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
./strace-static-x86_64: Process 6003 attached
[pid  6002] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6001] <... chdir resumed>)        = 0
[pid  6000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 29
[pid  6003] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6002] <... set_robust_list resumed>) = 0
[pid  6001] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  6003] <... set_robust_list resumed>) = 0
[pid  5854] rmdir("./25" <unfinished ...>
[pid  6001] <... prctl resumed>)        = 0
[pid  6003] chdir("./27" <unfinished ...>
[pid  6002] chdir("./27" <unfinished ...>
[pid  6001] setpgid(0, 0 <unfinished ...>
[pid  6000] <... openat resumed>)       = 3
[pid  5854] <... rmdir resumed>)        = 0
[pid  6002] <... chdir resumed>)        = 0
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 29
[pid  6003] <... chdir resumed>)        = 0
[pid  6002] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6001] <... setpgid resumed>)      = 0
[pid  6000] write(3, "1000", 4 <unfinished ...>
[pid  5854] mkdir("./26", 0777 <unfinished ...>
[pid  6003] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6002] <... prctl resumed>)        = 0
[pid  6001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6000] <... write resumed>)        = 4
[pid  6003] <... prctl resumed>)        = 0
[pid  6002] setpgid(0, 0 <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  6002] <... setpgid resumed>)      = 0
[pid  6003] setpgid(0, 0 <unfinished ...>
[pid  6002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6001] <... openat resumed>)       = 3
[pid  6000] close(3 <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6003] <... setpgid resumed>)      = 0
[pid  6000] <... close resumed>)        = 0
[pid  6002] <... openat resumed>)       = 3
[pid  6001] write(3, "1000", 4 <unfinished ...>
[pid  6002] write(3, "1000", 4 <unfinished ...>
[pid  6001] <... write resumed>)        = 4
[pid  6002] <... write resumed>)        = 4
[pid  6001] close(3./strace-static-x86_64: Process 6004 attached
 <unfinished ...>
[pid  6002] close(3 <unfinished ...>
[pid  6001] <... close resumed>)        = 0
[pid  6000] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6004] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6002] <... close resumed>)        = 0
[pid  6001] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6004] <... set_robust_list resumed>) = 0
[pid  6002] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6001] <... symlink resumed>)      = 0
[pid  6000] <... symlink resumed>)      = 0
[pid  6004] chdir("./26" <unfinished ...>
[pid  6003] <... openat resumed>)       = 3
[pid  6002] <... symlink resumed>)      = 0
[pid  6000] write(1, "executing program\n", 18 <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 28
executing program
executing program
[pid  6003] write(3, "1000", 4 <unfinished ...>
[pid  6000] <... write resumed>)        = 18
[pid  6003] <... write resumed>)        = 4
[pid  6004] <... chdir resumed>)        = 0
[pid  6003] close(3 <unfinished ...>
[pid  6002] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  6001] write(1, "executing program\n", 18 <unfinished ...>
[pid  6000] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6004] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6003] <... close resumed>)        = 0
[pid  6002] <... write resumed>)        = 18
[pid  6001] <... write resumed>)        = 18
[pid  6004] <... prctl resumed>)        = 0
[pid  6003] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6002] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6001] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6000] <... bpf resumed>)          = 3
[pid  6004] setpgid(0, 0 <unfinished ...>
[pid  6003] <... symlink resumed>)      = 0
[pid  6002] <... bpf resumed>)          = 3
[pid  6001] <... bpf resumed>)          = 3
[pid  6004] <... setpgid resumed>)      = 0
executing program
[pid  6003] write(1, "executing program\n", 18 <unfinished ...>
[pid  6002] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6001] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6000] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6003] <... write resumed>)        = 18
[pid  6002] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6001] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6000] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6001] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6003] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6000] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6003] <... bpf resumed>)          = 3
[pid  6004] <... openat resumed>)       = 3
[pid  6003] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6002] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6001] <... bpf resumed>)          = 4
[pid  6000] <... bpf resumed>)          = 4
[pid  6004] write(3, "1000", 4 <unfinished ...>
[pid  6003] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6002] <... bpf resumed>)          = 4
[pid  6004] <... write resumed>)        = 4
[pid  6002] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6001] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6004] close(3 <unfinished ...>
[pid  6003] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6002] <... bpf resumed>)          = 5
[pid  6001] <... bpf resumed>)          = 5
[pid  6000] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6004] <... close resumed>)        = 0
[pid  6004] symlink("/dev/binderfs", "./binderfs") = 0
[pid  6003] <... bpf resumed>)          = 4
[pid  6002] close(3 <unfinished ...>
[pid  6001] close(3 <unfinished ...>
[pid  6000] <... bpf resumed>)          = 5
[pid  6002] <... close resumed>)        = 0
[pid  6003] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6004] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6002] close(4 <unfinished ...>
[pid  6001] <... close resumed>)        = 0
[pid  6000] close(3 <unfinished ...>
[pid  6004] <... write resumed>)        = 18
[pid  6002] <... close resumed>)        = 0
[pid  6001] close(4 <unfinished ...>
[pid  6004] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6003] <... bpf resumed>)          = 5
[pid  6002] close(5 <unfinished ...>
[pid  6001] <... close resumed>)        = 0
[pid  6000] <... close resumed>)        = 0
[pid  6004] <... bpf resumed>)          = 3
[pid  6003] close(3 <unfinished ...>
[pid  6002] <... close resumed>)        = 0
[pid  6001] close(5 <unfinished ...>
[pid  6000] close(4 <unfinished ...>
[pid  6004] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6003] <... close resumed>)        = 0
[pid  6002] close(6 <unfinished ...>
[pid  6001] <... close resumed>)        = 0
[pid  6000] <... close resumed>)        = 0
[pid  6004] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6003] close(4 <unfinished ...>
[pid  6002] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] close(5 <unfinished ...>
[pid  6003] <... close resumed>)        = 0
[pid  6004] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6003] close(5 <unfinished ...>
[pid  6002] close(7 <unfinished ...>
[pid  6001] close(6 <unfinished ...>
[pid  6004] <... bpf resumed>)          = 4
[pid  6002] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6001] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] <... close resumed>)        = 0
[pid  6002] close(8 <unfinished ...>
[pid  6001] close(7 <unfinished ...>
[pid  6003] <... close resumed>)        = 0
[pid  6002] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6001] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6004] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6002] close(9 <unfinished ...>
[pid  6001] close(8 <unfinished ...>
[pid  6003] close(6 <unfinished ...>
[pid  6002] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6001] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] close(6 <unfinished ...>
[pid  6004] <... bpf resumed>)          = 5
[pid  6003] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6002] close(10 <unfinished ...>
[pid  6001] close(9 <unfinished ...>
[pid  6000] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6003] close(7 <unfinished ...>
[pid  6000] close(7 <unfinished ...>
[pid  6003] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6002] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6001] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] close(8 <unfinished ...>
[pid  6003] close(8 <unfinished ...>
[pid  6002] close(11 <unfinished ...>
[pid  6001] close(10 <unfinished ...>
[pid  6000] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6004] close(3 <unfinished ...>
[pid  6003] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6002] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6001] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] close(9 <unfinished ...>
[pid  6004] <... close resumed>)        = 0
[pid  6003] close(9 <unfinished ...>
[pid  6002] close(12 <unfinished ...>
[pid  6001] close(11 <unfinished ...>
[pid  6000] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6004] close(4 <unfinished ...>
[pid  6003] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6002] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6001] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] close(10 <unfinished ...>
[pid  6004] <... close resumed>)        = 0
[pid  6003] close(10 <unfinished ...>
[pid  6002] close(13 <unfinished ...>
[pid  6001] close(12 <unfinished ...>
[pid  6004] close(5 <unfinished ...>
[pid  6002] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6001] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6004] <... close resumed>)        = 0
[pid  6003] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6002] close(14 <unfinished ...>
[pid  6001] close(13 <unfinished ...>
[pid  6000] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6003] close(11 <unfinished ...>
[pid  6000] close(11 <unfinished ...>
[pid  6003] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6003] close(12 <unfinished ...>
[pid  6000] close(12 <unfinished ...>
[pid  6003] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6004] close(6 <unfinished ...>
[pid  6002] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6001] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6004] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6003] close(13 <unfinished ...>
[pid  6002] close(15 <unfinished ...>
[pid  6001] close(14 <unfinished ...>
[pid  6000] close(13 <unfinished ...>
[pid  6004] close(7 <unfinished ...>
[pid  6003] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6002] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6001] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6004] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6003] close(14 <unfinished ...>
[pid  6002] close(16 <unfinished ...>
[pid  6001] close(15 <unfinished ...>
[pid  6000] close(14 <unfinished ...>
[pid  6004] close(8 <unfinished ...>
[pid  6003] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6002] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6001] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6004] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6003] close(15 <unfinished ...>
[pid  6002] close(17 <unfinished ...>
[pid  6001] close(16 <unfinished ...>
[pid  6000] close(15 <unfinished ...>
[pid  6004] close(9 <unfinished ...>
[pid  6003] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6002] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6001] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6004] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6003] close(16 <unfinished ...>
[pid  6002] close(18 <unfinished ...>
[pid  6001] close(17 <unfinished ...>
[pid  6000] close(16 <unfinished ...>
[pid  6004] close(10 <unfinished ...>
[pid  6003] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6002] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6001] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6004] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6002] close(19 <unfinished ...>
[pid  6001] close(18 <unfinished ...>
[pid  6004] close(11 <unfinished ...>
[pid  6003] close(17 <unfinished ...>
[pid  6002] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6001] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] close(17 <unfinished ...>
[pid  6004] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6003] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6002] close(20 <unfinished ...>
[pid  6001] close(19 <unfinished ...>
[pid  6000] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6004] close(12 <unfinished ...>
[pid  6003] close(18 <unfinished ...>
[pid  6002] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6001] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] close(18 <unfinished ...>
[pid  6004] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6003] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6002] close(21 <unfinished ...>
[pid  6001] close(20 <unfinished ...>
[pid  6000] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6004] close(13 <unfinished ...>
[pid  6003] close(19 <unfinished ...>
[pid  6002] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6001] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6004] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6003] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6002] close(22 <unfinished ...>
[pid  6001] close(21 <unfinished ...>
[pid  6000] close(19 <unfinished ...>
[pid  6004] close(14 <unfinished ...>
[pid  6003] close(20 <unfinished ...>
[pid  6002] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6001] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6004] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6003] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6002] close(23 <unfinished ...>
[pid  6001] close(22 <unfinished ...>
[pid  6000] close(20 <unfinished ...>
[pid  6004] close(15 <unfinished ...>
[pid  6003] close(21 <unfinished ...>
[pid  6002] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6001] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6004] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6003] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6002] close(24 <unfinished ...>
[pid  6001] close(23 <unfinished ...>
[pid  6004] close(16 <unfinished ...>
[pid  6002] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6001] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6004] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6002] close(25 <unfinished ...>
[pid  6001] close(24 <unfinished ...>
[pid  6004] close(17 <unfinished ...>
[pid  6002] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6001] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6004] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6003] close(22 <unfinished ...>
[pid  6002] close(26 <unfinished ...>
[pid  6001] close(25 <unfinished ...>
[pid  6000] close(21 <unfinished ...>
[pid  6004] close(18 <unfinished ...>
[pid  6003] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6002] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6003] close(23 <unfinished ...>
[pid  6000] close(22 <unfinished ...>
[pid  6003] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6003] close(24 <unfinished ...>
[pid  6000] close(23 <unfinished ...>
[pid  6003] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6003] close(25 <unfinished ...>
[pid  6000] close(24 <unfinished ...>
[pid  6003] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6003] close(26 <unfinished ...>
[pid  6000] close(25 <unfinished ...>
[pid  6003] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6003] close(27 <unfinished ...>
[pid  6000] close(26 <unfinished ...>
[pid  6003] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6003] close(28 <unfinished ...>
[pid  6000] close(27 <unfinished ...>
[pid  6003] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6003] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  6000] close(28 <unfinished ...>
[pid  6004] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6003] exit_group(0 <unfinished ...>
[pid  6002] close(27 <unfinished ...>
[pid  6001] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6004] close(19 <unfinished ...>
[pid  6003] <... exit_group resumed>)   = ?
[pid  6002] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6001] close(26 <unfinished ...>
[pid  6000] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6004] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6002] close(28 <unfinished ...>
[pid  6001] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] close(29 <unfinished ...>
[pid  6004] close(20 <unfinished ...>
[pid  6002] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6001] close(27 <unfinished ...>
[pid  6000] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6004] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6002] close(29 <unfinished ...>
[pid  6001] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] exit_group(0 <unfinished ...>
[pid  6004] close(21 <unfinished ...>
[pid  6002] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6001] close(28 <unfinished ...>
[pid  6004] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6002] exit_group(0 <unfinished ...>
[pid  6001] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6000] <... exit_group resumed>)   = ?
[pid  6004] close(22 <unfinished ...>
[pid  6003] +++ exited with 0 +++
[pid  6002] <... exit_group resumed>)   = ?
[pid  6001] close(29 <unfinished ...>
[pid  6000] +++ exited with 0 +++
[pid  6004] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6002] +++ exited with 0 +++
[pid  6001] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6004] close(23 <unfinished ...>
[pid  6001] exit_group(0 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6004] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6001] <... exit_group resumed>)   = ?
[pid  6004] close(24 <unfinished ...>
[pid  6001] +++ exited with 0 +++
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6004] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6004] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6004] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  6004] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  6004] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  6004] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  6004] exit_group(0 <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6004] <... exit_group resumed>)   = ?
[pid  6004] +++ exited with 0 +++
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5857] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5857] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5857] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] getdents64(3, 0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5857] newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5857] unlink("./27/binderfs" <unfinished ...>
[pid  5853] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5854] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5855] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... openat resumed>)       = 3
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] <... openat resumed>)       = 3
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5857] rmdir("./27" <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] mkdir("./28", 0777 <unfinished ...>
[pid  5856] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] newfstatat(AT_FDCWD, "./27/binderfs",  <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./27/binderfs",  <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./26/binderfs",  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] unlink("./27/binderfs" <unfinished ...>
[pid  5855] unlink("./27/binderfs" <unfinished ...>
[pid  5854] unlink("./26/binderfs" <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./27/binderfs",  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] close(3 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] close(3 <unfinished ...>
[pid  5856] unlink("./27/binderfs" <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5855] rmdir("./27" <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] <... close resumed>)        = 0
[pid  5853] rmdir("./27" <unfinished ...>
[pid  5856] getdents64(3, 0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] mkdir("./28", 0777 <unfinished ...>
[pid  5854] rmdir("./26" <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
./strace-static-x86_64: Process 6005 attached
[pid  5856] close(3 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] mkdir("./28", 0777 <unfinished ...>
[pid  6005] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5854] mkdir("./27", 0777 <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5856] <... close resumed>)        = 0
[pid  6005] <... set_robust_list resumed>) = 0
[pid  5856] rmdir("./27" <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6005] chdir("./28" <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 30
[pid  5856] <... rmdir resumed>)        = 0
[pid  5856] mkdir("./28", 0777./strace-static-x86_64: Process 6006 attached
)         = 0
./strace-static-x86_64: Process 6007 attached
[pid  6006] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6005] <... chdir resumed>)        = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6006] <... set_robust_list resumed>) = 0
[pid  6005] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 30
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6008 attached
./strace-static-x86_64: Process 6009 attached
 <unfinished ...>
[pid  6007] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6006] chdir("./28" <unfinished ...>
[pid  6005] <... prctl resumed>)        = 0
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 30
[pid  6009] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6008] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6007] <... set_robust_list resumed>) = 0
[pid  6006] <... chdir resumed>)        = 0
[pid  6005] setpgid(0, 0 <unfinished ...>
[pid  6009] <... set_robust_list resumed>) = 0
[pid  6008] <... set_robust_list resumed>) = 0
[pid  6006] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6005] <... setpgid resumed>)      = 0
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 29
[pid  6006] <... prctl resumed>)        = 0
[pid  6006] setpgid(0, 0 <unfinished ...>
[pid  6005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 30
[pid  6009] chdir("./28" <unfinished ...>
[pid  6008] chdir("./27" <unfinished ...>
[pid  6007] chdir("./28" <unfinished ...>
[pid  6006] <... setpgid resumed>)      = 0
[pid  6005] <... openat resumed>)       = 3
[pid  6009] <... chdir resumed>)        = 0
[pid  6009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6008] <... chdir resumed>)        = 0
[pid  6007] <... chdir resumed>)        = 0
[pid  6006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6005] write(3, "1000", 4 <unfinished ...>
[pid  6009] setpgid(0, 0 <unfinished ...>
[pid  6008] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6007] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6005] <... write resumed>)        = 4
[pid  6009] <... setpgid resumed>)      = 0
[pid  6008] <... prctl resumed>)        = 0
[pid  6007] <... prctl resumed>)        = 0
[pid  6006] <... openat resumed>)       = 3
[pid  6005] close(3 <unfinished ...>
[pid  6009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6008] setpgid(0, 0 <unfinished ...>
[pid  6007] setpgid(0, 0 <unfinished ...>
[pid  6006] write(3, "1000", 4 <unfinished ...>
[pid  6005] <... close resumed>)        = 0
[pid  6009] <... openat resumed>)       = 3
[pid  6008] <... setpgid resumed>)      = 0
[pid  6007] <... setpgid resumed>)      = 0
[pid  6006] <... write resumed>)        = 4
[pid  6005] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6006] close(3 <unfinished ...>
[pid  6005] <... symlink resumed>)      = 0
[pid  6009] write(3, "1000", 4 <unfinished ...>
[pid  6006] <... close resumed>)        = 0
[pid  6009] <... write resumed>)        = 4
executing program
[pid  6008] <... openat resumed>)       = 3
[pid  6005] write(1, "executing program\n", 18 <unfinished ...>
[pid  6009] close(3 <unfinished ...>
[pid  6007] <... openat resumed>)       = 3
[pid  6006] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6005] <... write resumed>)        = 18
[pid  6009] <... close resumed>)        = 0
[pid  6009] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6008] write(3, "1000", 4 <unfinished ...>
[pid  6007] write(3, "1000", 4 <unfinished ...>
[pid  6005] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6009] <... symlink resumed>)      = 0
[pid  6008] <... write resumed>)        = 4
[pid  6007] <... write resumed>)        = 4
[pid  6006] <... symlink resumed>)      = 0
[pid  6009] write(1, "executing program\n", 18 <unfinished ...>
[pid  6008] close(3executing program
executing program
 <unfinished ...>
[pid  6007] close(3 <unfinished ...>
[pid  6009] <... write resumed>)        = 18
[pid  6008] <... close resumed>)        = 0
[pid  6007] <... close resumed>)        = 0
[pid  6006] write(1, "executing program\n", 18 <unfinished ...>
[pid  6005] <... bpf resumed>)          = 3
[pid  6009] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6008] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6006] <... write resumed>)        = 18
[pid  6005] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6009] <... bpf resumed>)          = 3
[pid  6008] <... symlink resumed>)      = 0
[pid  6007] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6006] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
executing program
executing program
[pid  6009] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6008] write(1, "executing program\n", 18 <unfinished ...>
[pid  6007] <... symlink resumed>)      = 0
[pid  6005] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6009] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6008] <... write resumed>)        = 18
[pid  6007] write(1, "executing program\n", 18 <unfinished ...>
[pid  6006] <... bpf resumed>)          = 3
[pid  6009] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6008] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6007] <... write resumed>)        = 18
[pid  6005] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6009] <... bpf resumed>)          = 4
[pid  6007] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6006] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6005] <... bpf resumed>)          = 4
[pid  6009] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6008] <... bpf resumed>)          = 3
[pid  6007] <... bpf resumed>)          = 3
[pid  6006] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6009] <... bpf resumed>)          = 5
[pid  6008] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6007] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6006] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6005] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6009] close(3 <unfinished ...>
[pid  6008] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6007] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6009] <... close resumed>)        = 0
[pid  6008] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6007] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6006] <... bpf resumed>)          = 4
[pid  6009] close(4 <unfinished ...>
[pid  6008] <... bpf resumed>)          = 4
[pid  6007] <... bpf resumed>)          = 4
[pid  6005] <... bpf resumed>)          = 5
[pid  6009] <... close resumed>)        = 0
[pid  6009] close(5 <unfinished ...>
[pid  6008] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6009] <... close resumed>)        = 0
[pid  6008] <... bpf resumed>)          = 5
[pid  6007] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6006] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6005] close(3 <unfinished ...>
[pid  6007] <... bpf resumed>)          = 5
[pid  6006] <... bpf resumed>)          = 5
[pid  6005] <... close resumed>)        = 0
[pid  6006] close(3 <unfinished ...>
[pid  6005] close(4 <unfinished ...>
[pid  6006] <... close resumed>)        = 0
[pid  6005] <... close resumed>)        = 0
[pid  6009] close(6 <unfinished ...>
[pid  6008] close(3 <unfinished ...>
[pid  6007] close(3 <unfinished ...>
[pid  6009] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6008] <... close resumed>)        = 0
[pid  6007] <... close resumed>)        = 0
[pid  6009] close(7 <unfinished ...>
[pid  6008] close(4 <unfinished ...>
[pid  6007] close(4 <unfinished ...>
[pid  6009] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6008] <... close resumed>)        = 0
[pid  6007] <... close resumed>)        = 0
[pid  6006] close(4 <unfinished ...>
[pid  6005] close(5 <unfinished ...>
[pid  6009] close(8 <unfinished ...>
[pid  6008] close(5 <unfinished ...>
[pid  6006] <... close resumed>)        = 0
[pid  6005] <... close resumed>)        = 0
[pid  6006] close(5 <unfinished ...>
[pid  6009] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6008] <... close resumed>)        = 0
[pid  6007] close(5 <unfinished ...>
[pid  6005] close(6 <unfinished ...>
[pid  6009] close(9 <unfinished ...>
[pid  6008] close(6 <unfinished ...>
[pid  6007] <... close resumed>)        = 0
[pid  6006] <... close resumed>)        = 0
[pid  6005] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6009] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6008] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6009] close(10 <unfinished ...>
[pid  6005] close(7 <unfinished ...>
[pid  6009] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6008] close(7 <unfinished ...>
[pid  6005] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6009] close(11 <unfinished ...>
[pid  6008] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6007] close(6 <unfinished ...>
[pid  6005] close(8 <unfinished ...>
[pid  6009] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6008] close(8 <unfinished ...>
[pid  6007] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6006] close(6 <unfinished ...>
[pid  6005] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6009] close(12 <unfinished ...>
[pid  6008] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6006] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6005] close(9 <unfinished ...>
[pid  6009] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6008] close(9 <unfinished ...>
[pid  6007] close(7 <unfinished ...>
[pid  6006] close(7 <unfinished ...>
[pid  6005] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6009] close(13 <unfinished ...>
[pid  6008] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6007] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6006] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6005] close(10 <unfinished ...>
[pid  6009] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6008] close(10 <unfinished ...>
[pid  6007] close(8 <unfinished ...>
[pid  6006] close(8 <unfinished ...>
[pid  6005] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6009] close(14 <unfinished ...>
[pid  6008] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6007] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6006] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6005] close(11 <unfinished ...>
[pid  6009] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6008] close(11 <unfinished ...>
[pid  6007] close(9 <unfinished ...>
[pid  6006] close(9 <unfinished ...>
[pid  6005] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6009] close(15 <unfinished ...>
[pid  6008] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6007] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6006] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6005] close(12 <unfinished ...>
[pid  6006] close(10 <unfinished ...>
[pid  6005] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6009] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6008] close(12 <unfinished ...>
[pid  6007] close(10 <unfinished ...>
[pid  6006] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6005] close(13 <unfinished ...>
[pid  6009] close(16 <unfinished ...>
[pid  6008] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6007] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6005] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6006] close(11 <unfinished ...>
[pid  6009] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6008] close(13 <unfinished ...>
[pid  6007] close(11 <unfinished ...>
[pid  6005] close(14 <unfinished ...>
[pid  6009] close(17 <unfinished ...>
[pid  6008] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6007] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6006] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6005] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6009] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6008] close(14 <unfinished ...>
[pid  6007] close(12 <unfinished ...>
[pid  6006] close(12 <unfinished ...>
[pid  6005] close(15 <unfinished ...>
[pid  6009] close(18 <unfinished ...>
[pid  6008] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6007] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6006] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6005] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6009] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6008] close(15 <unfinished ...>
[pid  6007] close(13 <unfinished ...>
[pid  6006] close(13 <unfinished ...>
[pid  6005] close(16 <unfinished ...>
[pid  6009] close(19 <unfinished ...>
[pid  6008] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6007] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6006] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6005] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6009] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6008] close(16 <unfinished ...>
[pid  6007] close(14 <unfinished ...>
[pid  6006] close(14 <unfinished ...>
[pid  6005] close(17 <unfinished ...>
[pid  6009] close(20 <unfinished ...>
[pid  6008] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6007] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6006] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6005] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6009] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6008] close(17 <unfinished ...>
[pid  6007] close(15 <unfinished ...>
[pid  6005] close(18 <unfinished ...>
[pid  6009] close(21 <unfinished ...>
[pid  6008] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6007] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6009] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6008] close(18 <unfinished ...>
[pid  6007] close(16 <unfinished ...>
[pid  6009] close(22 <unfinished ...>
[pid  6008] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6007] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6009] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6008] close(19 <unfinished ...>
[pid  6007] close(17 <unfinished ...>
[pid  6009] close(23 <unfinished ...>
[pid  6008] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6007] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6009] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6008] close(20 <unfinished ...>
[pid  6007] close(18 <unfinished ...>
[pid  6009] close(24 <unfinished ...>
[pid  6008] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6007] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6009] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6008] close(21 <unfinished ...>
[pid  6007] close(19 <unfinished ...>
[pid  6009] close(25 <unfinished ...>
[pid  6008] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6006] close(15 <unfinished ...>
[pid  6005] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6005] close(19 <unfinished ...>
[pid  6006] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6005] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6006] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  6005] close(20 <unfinished ...>
[pid  6006] close(17 <unfinished ...>
[pid  6005] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6006] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6005] close(21 <unfinished ...>
[pid  6006] close(18 <unfinished ...>
[pid  6005] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6006] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6005] close(22 <unfinished ...>
[pid  6006] close(19 <unfinished ...>
[pid  6005] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6006] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6005] close(23 <unfinished ...>
[pid  6006] close(20 <unfinished ...>
[pid  6005] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6006] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6005] close(24 <unfinished ...>
[pid  6006] close(21 <unfinished ...>
[pid  6005] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6006] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6005] close(25 <unfinished ...>
[pid  6009] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6008] close(22 <unfinished ...>
[pid  6007] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6006] close(22 <unfinished ...>
[pid  6005] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6009] close(26 <unfinished ...>
[pid  6008] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6007] close(20 <unfinished ...>
[pid  6006] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6005] close(26 <unfinished ...>
[pid  6009] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6008] close(23 <unfinished ...>
[pid  6007] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6005] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6009] close(27 <unfinished ...>
[pid  6008] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6007] close(21 <unfinished ...>
[pid  6006] close(23 <unfinished ...>
[pid  6005] close(27 <unfinished ...>
[pid  6009] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6008] close(24 <unfinished ...>
[pid  6007] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6006] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6005] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6009] close(28 <unfinished ...>
[pid  6008] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6007] close(22 <unfinished ...>
[pid  6006] close(24 <unfinished ...>
[pid  6005] close(28 <unfinished ...>
[pid  6009] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6008] close(25 <unfinished ...>
[pid  6007] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6006] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6005] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6009] close(29 <unfinished ...>
[pid  6008] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6007] close(23 <unfinished ...>
[pid  6006] close(25 <unfinished ...>
[pid  6005] close(29 <unfinished ...>
[pid  6009] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6008] close(26 <unfinished ...>
[pid  6007] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6009] exit_group(0 <unfinished ...>
[pid  6008] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6007] close(24 <unfinished ...>
[pid  6006] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6005] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6009] <... exit_group resumed>)   = ?
[pid  6008] close(27 <unfinished ...>
[pid  6007] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6006] close(26 <unfinished ...>
[pid  6009] +++ exited with 0 +++
[pid  6008] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6007] close(25 <unfinished ...>
[pid  6006] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6005] exit_group(0 <unfinished ...>
[pid  6008] close(28 <unfinished ...>
[pid  6007] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6006] close(27 <unfinished ...>
[pid  6005] <... exit_group resumed>)   = ?
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6008] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6007] close(26 <unfinished ...>
[pid  6006] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6008] close(29 <unfinished ...>
[pid  6007] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6008] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6007] close(27 <unfinished ...>
[pid  6008] exit_group(0 <unfinished ...>
[pid  6007] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6008] <... exit_group resumed>)   = ?
[pid  6007] close(28 <unfinished ...>
[pid  6008] +++ exited with 0 +++
[pid  6007] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6006] close(28 <unfinished ...>
[pid  6005] +++ exited with 0 +++
[pid  6007] close(29 <unfinished ...>
[pid  6006] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6007] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6006] close(29 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6007] exit_group(0 <unfinished ...>
[pid  6006] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... restart_syscall resumed>) = 0
[pid  6007] <... exit_group resumed>)   = ?
[pid  5854] <... restart_syscall resumed>) = 0
[pid  6007] +++ exited with 0 +++
[pid  6006] exit_group(0 <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5856] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... restart_syscall resumed>) = 0
[pid  6006] <... exit_group resumed>)   = ?
[pid  5857] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5857] <... openat resumed>)       = 3
[pid  5855] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] <... openat resumed>)       = 3
[pid  6006] +++ exited with 0 +++
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5857] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./28/binderfs",  <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./28/binderfs",  <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] unlink("./28/binderfs" <unfinished ...>
[pid  5856] unlink("./28/binderfs" <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] newfstatat(AT_FDCWD, "./28/binderfs",  <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./27/binderfs",  <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] unlink("./28/binderfs" <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5854] unlink("./27/binderfs" <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] <... close resumed>)        = 0
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5857] rmdir("./28" <unfinished ...>
[pid  5856] rmdir("./28" <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] <... rmdir resumed>)        = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] mkdir("./29", 0777 <unfinished ...>
[pid  5856] mkdir("./29", 0777 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] <... close resumed>)        = 0
[pid  5854] close(3)                    = 0
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] rmdir("./28" <unfinished ...>
[pid  5854] rmdir("./27" <unfinished ...>
[pid  5853] <... restart_syscall resumed>) = 0
./strace-static-x86_64: Process 6011 attached
./strace-static-x86_64: Process 6010 attached
[pid  6011] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6010] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] <... rmdir resumed>)        = 0
[pid  6011] <... set_robust_list resumed>) = 0
[pid  6010] <... set_robust_list resumed>) = 0
[pid  5854] mkdir("./28", 0777 <unfinished ...>
[pid  6010] chdir("./29" <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 31
[pid  5855] mkdir("./29", 0777 <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  6011] chdir("./29" <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 31
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6011] <... chdir resumed>)        = 0
[pid  6010] <... chdir resumed>)        = 0
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6013 attached
./strace-static-x86_64: Process 6012 attached
 <unfinished ...>
[pid  6011] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6010] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6011] <... prctl resumed>)        = 0
[pid  6010] <... prctl resumed>)        = 0
[pid  6013] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6010] setpgid(0, 0 <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 30
[pid  6013] <... set_robust_list resumed>) = 0
[pid  6011] setpgid(0, 0 <unfinished ...>
[pid  6010] <... setpgid resumed>)      = 0
[pid  6012] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6011] <... setpgid resumed>)      = 0
[pid  6010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 31
[pid  5853] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6012] <... set_robust_list resumed>) = 0
[pid  6013] chdir("./29" <unfinished ...>
[pid  6010] <... openat resumed>)       = 3
[pid  5853] <... openat resumed>)       = 3
[pid  6012] chdir("./28" <unfinished ...>
[pid  6011] <... openat resumed>)       = 3
[pid  6013] <... chdir resumed>)        = 0
[pid  6013] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6010] write(3, "1000", 4)         = 4
[pid  6010] close(3 <unfinished ...>
[pid  6013] <... prctl resumed>)        = 0
[pid  6012] <... chdir resumed>)        = 0
[pid  6011] write(3, "1000", 4 <unfinished ...>
[pid  6010] <... close resumed>)        = 0
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6013] setpgid(0, 0 <unfinished ...>
[pid  6012] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6013] <... setpgid resumed>)      = 0
[pid  6012] <... prctl resumed>)        = 0
[pid  6011] <... write resumed>)        = 4
[pid  6010] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6012] setpgid(0, 0 <unfinished ...>
[pid  6011] close(3 <unfinished ...>
[pid  6010] <... symlink resumed>)      = 0
executing program
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6013] <... openat resumed>)       = 3
[pid  6012] <... setpgid resumed>)      = 0
[pid  6011] <... close resumed>)        = 0
[pid  6010] write(1, "executing program\n", 18 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6011] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6010] <... write resumed>)        = 18
[pid  5853] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6013] write(3, "1000", 4 <unfinished ...>
[pid  6011] <... symlink resumed>)      = 0
[pid  6012] <... openat resumed>)       = 3
[pid  6013] <... write resumed>)        = 4
[pid  6013] close(3 <unfinished ...>
[pid  6011] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6010] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6012] write(3, "1000", 4 <unfinished ...>
[pid  6013] <... close resumed>)        = 0
[pid  6011] <... write resumed>)        = 18
[pid  6010] <... bpf resumed>)          = 3
[pid  6012] <... write resumed>)        = 4
[pid  5853] newfstatat(AT_FDCWD, "./28/binderfs",  <unfinished ...>
[pid  6013] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6012] close(3 <unfinished ...>
[pid  6011] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6010] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6013] <... symlink resumed>)      = 0
[pid  6012] <... close resumed>)        = 0
[pid  6011] <... bpf resumed>)          = 3
[pid  6010] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5853] unlink("./28/binderfs" <unfinished ...>
executing program
[pid  6013] write(1, "executing program\n", 18 <unfinished ...>
[pid  6012] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6011] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6010] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  6013] <... write resumed>)        = 18
[pid  6012] <... symlink resumed>)      = 0
[pid  6011] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6013] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6012] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6011] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6010] <... bpf resumed>)          = 4
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6013] <... bpf resumed>)          = 3
[pid  6012] <... write resumed>)        = 18
[pid  6012] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6011] <... bpf resumed>)          = 4
[pid  6010] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6013] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6011] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  6010] <... bpf resumed>)          = 5
[pid  6012] <... bpf resumed>)          = 3
[pid  6012] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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 EFAULT (Bad address)
[pid  5853] <... close resumed>)        = 0
[pid  6012] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6013] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6011] <... bpf resumed>)          = 5
[pid  6010] close(3 <unfinished ...>
[pid  5853] rmdir("./28" <unfinished ...>
[pid  6012] <... bpf resumed>)          = 4
[pid  6012] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  6012] <... bpf resumed>)          = 5
[pid  6013] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6011] close(3 <unfinished ...>
[pid  6010] <... close resumed>)        = 0
[pid  5853] mkdir("./29", 0777 <unfinished ...>
[pid  6012] close(3 <unfinished ...>
[pid  6013] <... bpf resumed>)          = 4
[pid  6012] <... close resumed>)        = 0
[pid  6011] <... close resumed>)        = 0
[pid  6010] close(4 <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  6012] close(4 <unfinished ...>
[pid  6013] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6012] <... close resumed>)        = 0
[pid  6011] close(4 <unfinished ...>
[pid  6010] <... close resumed>)        = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6011] <... close resumed>)        = 0
[pid  6010] close(5 <unfinished ...>
[pid  6013] <... bpf resumed>)          = 5
[pid  6010] <... close resumed>)        = 0
[pid  6012] close(5./strace-static-x86_64: Process 6014 attached
 <unfinished ...>
[pid  6013] close(3 <unfinished ...>
[pid  6011] close(5 <unfinished ...>
[pid  6010] close(6 <unfinished ...>
[pid  6014] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6010] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 31
[pid  6014] <... set_robust_list resumed>) = 0
[pid  6010] close(7 <unfinished ...>
[pid  6013] <... close resumed>)        = 0
[pid  6012] <... close resumed>)        = 0
[pid  6010] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6014] chdir("./29" <unfinished ...>
[pid  6013] close(4 <unfinished ...>
[pid  6012] close(6 <unfinished ...>
[pid  6011] <... close resumed>)        = 0
[pid  6010] close(8 <unfinished ...>
[pid  6013] <... close resumed>)        = 0
[pid  6010] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6014] <... chdir resumed>)        = 0
[pid  6013] close(5 <unfinished ...>
[pid  6012] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] close(6 <unfinished ...>
[pid  6010] close(9 <unfinished ...>
[pid  6014] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6013] <... close resumed>)        = 0
[pid  6012] close(7 <unfinished ...>
[pid  6011] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6010] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6014] <... prctl resumed>)        = 0
[pid  6013] close(6 <unfinished ...>
[pid  6012] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] close(7 <unfinished ...>
[pid  6010] close(10 <unfinished ...>
[pid  6014] setpgid(0, 0 <unfinished ...>
[pid  6013] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6012] close(8 <unfinished ...>
[pid  6010] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6014] <... setpgid resumed>)      = 0
[pid  6011] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6010] close(11 <unfinished ...>
[pid  6014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6013] close(7 <unfinished ...>
[pid  6012] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] close(8 <unfinished ...>
[pid  6010] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6014] <... openat resumed>)       = 3
[pid  6013] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6012] close(9 <unfinished ...>
[pid  6011] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6010] close(12 <unfinished ...>
[pid  6013] close(8 <unfinished ...>
[pid  6012] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] close(9 <unfinished ...>
[pid  6013] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6012] close(10 <unfinished ...>
[pid  6011] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6013] close(9 <unfinished ...>
[pid  6012] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] close(10 <unfinished ...>
[pid  6013] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6012] close(11 <unfinished ...>
[pid  6011] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6013] close(10 <unfinished ...>
[pid  6012] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] close(11 <unfinished ...>
[pid  6013] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6012] close(12 <unfinished ...>
[pid  6011] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6013] close(11 <unfinished ...>
[pid  6012] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] close(12 <unfinished ...>
[pid  6014] write(3, "1000", 4 <unfinished ...>
[pid  6013] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6012] close(13 <unfinished ...>
[pid  6011] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6010] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6014] <... write resumed>)        = 4
[pid  6013] close(12 <unfinished ...>
[pid  6012] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] close(13 <unfinished ...>
[pid  6010] close(13 <unfinished ...>
[pid  6014] close(3 <unfinished ...>
[pid  6013] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6012] close(14 <unfinished ...>
[pid  6011] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6010] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6014] <... close resumed>)        = 0
[pid  6013] close(13 <unfinished ...>
[pid  6012] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] close(14 <unfinished ...>
[pid  6010] close(14 <unfinished ...>
[pid  6014] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6013] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6012] close(15 <unfinished ...>
[pid  6010] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6013] close(14 <unfinished ...>
[pid  6012] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  6014] <... symlink resumed>)      = 0
[pid  6013] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6012] close(16 <unfinished ...>
[pid  6011] close(15 <unfinished ...>
[pid  6010] close(15 <unfinished ...>
[pid  6014] write(1, "executing program\n", 18 <unfinished ...>
[pid  6013] close(15 <unfinished ...>
[pid  6012] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6010] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6014] <... write resumed>)        = 18
[pid  6013] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6012] close(17 <unfinished ...>
[pid  6011] close(16 <unfinished ...>
[pid  6010] close(16 <unfinished ...>
[pid  6014] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6013] close(16 <unfinished ...>
[pid  6012] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6010] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6014] <... bpf resumed>)          = 3
[pid  6013] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6012] close(18 <unfinished ...>
[pid  6011] close(17 <unfinished ...>
[pid  6010] close(17 <unfinished ...>
[pid  6014] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6013] close(17 <unfinished ...>
[pid  6012] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6010] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6014] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6013] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6012] close(19 <unfinished ...>
[pid  6011] close(18 <unfinished ...>
[pid  6010] close(18 <unfinished ...>
[pid  6014] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6013] close(18 <unfinished ...>
[pid  6012] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6010] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6013] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6012] close(20 <unfinished ...>
[pid  6011] close(19 <unfinished ...>
[pid  6013] close(19 <unfinished ...>
[pid  6012] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6013] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6012] close(21 <unfinished ...>
[pid  6011] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6014] <... bpf resumed>)          = 4
[pid  6013] close(20 <unfinished ...>
[pid  6012] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] close(20 <unfinished ...>
[pid  6010] close(19 <unfinished ...>
[pid  6013] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6012] close(22 <unfinished ...>
[pid  6011] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6014] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6013] close(21 <unfinished ...>
[pid  6010] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6013] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6012] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] close(21 <unfinished ...>
[pid  6010] close(20 <unfinished ...>
[pid  6013] close(22 <unfinished ...>
[pid  6012] close(23 <unfinished ...>
[pid  6011] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6010] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6013] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6012] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] close(22 <unfinished ...>
[pid  6010] close(21 <unfinished ...>
[pid  6013] close(23 <unfinished ...>
[pid  6012] close(24 <unfinished ...>
[pid  6011] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6010] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6014] <... bpf resumed>)          = 5
[pid  6013] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6012] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] close(23 <unfinished ...>
[pid  6010] close(22 <unfinished ...>
[pid  6014] close(3 <unfinished ...>
[pid  6013] close(24 <unfinished ...>
[pid  6012] close(25 <unfinished ...>
[pid  6010] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6014] <... close resumed>)        = 0
[pid  6013] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6012] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6010] close(23 <unfinished ...>
[pid  6014] close(4 <unfinished ...>
[pid  6013] close(25 <unfinished ...>
[pid  6012] close(26 <unfinished ...>
[pid  6011] close(24 <unfinished ...>
[pid  6014] <... close resumed>)        = 0
[pid  6013] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6012] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6010] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6014] close(5 <unfinished ...>
[pid  6013] close(26 <unfinished ...>
[pid  6012] close(27 <unfinished ...>
[pid  6011] close(25 <unfinished ...>
[pid  6010] close(24 <unfinished ...>
[pid  6013] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6012] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6014] <... close resumed>)        = 0
[pid  6013] close(27 <unfinished ...>
[pid  6012] close(28 <unfinished ...>
[pid  6011] close(26 <unfinished ...>
[pid  6014] close(6 <unfinished ...>
[pid  6013] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6012] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6010] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6014] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6013] close(28 <unfinished ...>
[pid  6012] close(29 <unfinished ...>
[pid  6011] close(27 <unfinished ...>
[pid  6010] close(25 <unfinished ...>
[pid  6014] close(7 <unfinished ...>
[pid  6013] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6012] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6010] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6014] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6013] close(29 <unfinished ...>
[pid  6012] exit_group(0 <unfinished ...>
[pid  6011] close(28 <unfinished ...>
[pid  6010] close(26 <unfinished ...>
[pid  6014] close(8 <unfinished ...>
[pid  6010] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6014] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6010] close(27 <unfinished ...>
[pid  6014] close(9 <unfinished ...>
[pid  6010] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6014] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6010] close(28 <unfinished ...>
[pid  6014] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  6013] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6012] <... exit_group resumed>)   = ?
[pid  6011] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6014] close(11 <unfinished ...>
[pid  6013] exit_group(0 <unfinished ...>
[pid  6012] +++ exited with 0 +++
[pid  6011] close(29 <unfinished ...>
[pid  6010] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6014] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6013] <... exit_group resumed>)   = ?
[pid  6011] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6010] close(29 <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  6014] close(12 <unfinished ...>
[pid  6013] +++ exited with 0 +++
[pid  6011] exit_group(0 <unfinished ...>
[pid  6010] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6014] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6011] <... exit_group resumed>)   = ?
[pid  6014] close(13 <unfinished ...>
[pid  6011] +++ exited with 0 +++
[pid  6010] exit_group(0 <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6014] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6010] <... exit_group resumed>)   = ?
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6014] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  6014] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6014] close(16 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6014] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6014] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  6014] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  6010] +++ exited with 0 +++
[pid  6014] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  6014] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6014] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  6014] close(22 <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  6014] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6014] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  6014] close(24 <unfinished ...>
[pid  5856] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6014] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6014] close(25 <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6014] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6014] close(26 <unfinished ...>
[pid  5857] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5855] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6014] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6014] close(27 <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6014] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6014] close(28 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6014] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6014] close(29 <unfinished ...>
[pid  5856] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6014] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6014] exit_group(0 <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./29/binderfs",  <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./29/binderfs",  <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6014] <... exit_group resumed>)   = ?
[pid  5856] newfstatat(AT_FDCWD, "./29/binderfs",  <unfinished ...>
[pid  6014] +++ exited with 0 +++
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] newfstatat(AT_FDCWD, "./28/binderfs",  <unfinished ...>
[pid  5857] unlink("./29/binderfs" <unfinished ...>
[pid  5856] unlink("./29/binderfs" <unfinished ...>
[pid  5855] unlink("./29/binderfs" <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] unlink("./28/binderfs" <unfinished ...>
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] <... close resumed>)        = 0
[pid  5856] <... close resumed>)        = 0
[pid  5855] close(3 <unfinished ...>
[pid  5857] rmdir("./29" <unfinished ...>
[pid  5856] rmdir("./29" <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] <... rmdir resumed>)        = 0
[pid  5855] <... close resumed>)        = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5857] mkdir("./30", 0777 <unfinished ...>
[pid  5856] mkdir("./30", 0777 <unfinished ...>
[pid  5855] rmdir("./29" <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] <... mkdir resumed>)        = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6015 attached
./strace-static-x86_64: Process 6016 attached
 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  6015] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6016] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5855] mkdir("./30", 0777 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... restart_syscall resumed>) = 0
[pid  6016] <... set_robust_list resumed>) = 0
[pid  6015] <... set_robust_list resumed>) = 0
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 32
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 32
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] close(3 <unfinished ...>
[pid  6016] chdir("./30" <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5854] rmdir("./28" <unfinished ...>
[pid  6015] chdir("./30" <unfinished ...>
[pid  6016] <... chdir resumed>)        = 0
[pid  6015] <... chdir resumed>)        = 0
[pid  5854] <... rmdir resumed>)        = 0
[pid  6016] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6015] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6016] <... prctl resumed>)        = 0
[pid  6015] <... prctl resumed>)        = 0
[pid  5854] mkdir("./29", 0777 <unfinished ...>
[pid  6016] setpgid(0, 0 <unfinished ...>
[pid  6015] setpgid(0, 0 <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  6016] <... setpgid resumed>)      = 0
./strace-static-x86_64: Process 6017 attached
[pid  6016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6015] <... setpgid resumed>)      = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6017] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6016] <... openat resumed>)       = 3
[pid  5853] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6018 attached
 <unfinished ...>
[pid  6017] <... set_robust_list resumed>) = 0
[pid  6016] write(3, "1000", 4 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 32
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6018] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6017] chdir("./30" <unfinished ...>
[pid  6016] <... write resumed>)        = 4
[pid  6015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6018] <... set_robust_list resumed>) = 0
[pid  6017] <... chdir resumed>)        = 0
[pid  6016] close(3 <unfinished ...>
[pid  6015] <... openat resumed>)       = 3
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 31
[pid  5853] <... openat resumed>)       = 3
[pid  6017] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6016] <... close resumed>)        = 0
[pid  6015] write(3, "1000", 4 <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6018] chdir("./29" <unfinished ...>
[pid  6017] <... prctl resumed>)        = 0
[pid  6016] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6015] <... write resumed>)        = 4
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6018] <... chdir resumed>)        = 0
[pid  6017] setpgid(0, 0 <unfinished ...>
[pid  6016] <... symlink resumed>)      = 0
[pid  6015] close(3 <unfinished ...>
[pid  6018] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6018] <... prctl resumed>)        = 0
[pid  6018] setpgid(0, 0)               = 0
[pid  6018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6017] <... setpgid resumed>)      = 0
[pid  6016] write(1, "executing program\n", 18 <unfinished ...>
[pid  6015] <... close resumed>)        = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6015] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6016] <... write resumed>)        = 18
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6018] <... openat resumed>)       = 3
[pid  6015] <... symlink resumed>)      = 0
[pid  5853] newfstatat(AT_FDCWD, "./29/binderfs",  <unfinished ...>
[pid  6018] write(3, "1000", 4 <unfinished ...>
executing program
[pid  6016] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6018] <... write resumed>)        = 4
[pid  6017] <... openat resumed>)       = 3
[pid  6015] write(1, "executing program\n", 18 <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
executing program
[pid  6018] close(3 <unfinished ...>
[pid  6016] <... bpf resumed>)          = 3
[pid  5853] unlink("./29/binderfs" <unfinished ...>
[pid  6018] <... close resumed>)        = 0
[pid  6015] <... write resumed>)        = 18
[pid  6017] write(3, "1000", 4 <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  6016] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6017] <... write resumed>)        = 4
[pid  6015] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6017] close(3 <unfinished ...>
[pid  6016] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6017] <... close resumed>)        = 0
[pid  6016] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6017] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6015] <... bpf resumed>)          = 3
[pid  6018] symlink("/dev/binderfs", "./binderfs") = 0
[pid  6016] <... bpf resumed>)          = 4
[pid  5853] close(3 <unfinished ...>
[pid  6018] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6017] <... symlink resumed>)      = 0
executing program
[pid  6015] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6018] <... write resumed>)        = 18
[pid  6017] write(1, "executing program\n", 18 <unfinished ...>
[pid  6016] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  6018] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6017] <... write resumed>)        = 18
[pid  6015] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5853] rmdir("./29" <unfinished ...>
[pid  6017] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6016] <... bpf resumed>)          = 5
[pid  6015] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6018] <... bpf resumed>)          = 3
[pid  6017] <... bpf resumed>)          = 3
[pid  6016] close(3 <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  6018] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6017] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6016] <... close resumed>)        = 0
[pid  5853] mkdir("./30", 0777 <unfinished ...>
[pid  6018] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6015] <... bpf resumed>)          = 4
[pid  6017] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6018] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6016] close(4 <unfinished ...>
[pid  6015] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  6018] <... bpf resumed>)          = 4
[pid  6017] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6016] <... close resumed>)        = 0
[pid  6015] <... bpf resumed>)          = 5
[pid  6018] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6017] <... bpf resumed>)          = 4
[pid  6016] close(5 <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6019 attached
 <unfinished ...>
[pid  6018] <... bpf resumed>)          = 5
[pid  6016] <... close resumed>)        = 0
[pid  6018] close(3 <unfinished ...>
[pid  6017] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6015] close(3 <unfinished ...>
[pid  6017] <... bpf resumed>)          = 5
[pid  6019] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6016] close(6 <unfinished ...>
[pid  6019] <... set_robust_list resumed>) = 0
[pid  6016] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6016] close(7 <unfinished ...>
[pid  6015] <... close resumed>)        = 0
[pid  6016] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6018] <... close resumed>)        = 0
[pid  6017] close(3 <unfinished ...>
[pid  6016] close(8 <unfinished ...>
[pid  6015] close(4 <unfinished ...>
[pid  6019] chdir("./30" <unfinished ...>
[pid  6018] close(4 <unfinished ...>
[pid  6017] <... close resumed>)        = 0
[pid  6016] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6015] <... close resumed>)        = 0
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 32
[pid  6019] <... chdir resumed>)        = 0
[pid  6018] <... close resumed>)        = 0
[pid  6017] close(4 <unfinished ...>
[pid  6016] close(9 <unfinished ...>
[pid  6015] close(5 <unfinished ...>
[pid  6019] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6018] close(5 <unfinished ...>
[pid  6017] <... close resumed>)        = 0
[pid  6016] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6015] <... close resumed>)        = 0
[pid  6019] <... prctl resumed>)        = 0
[pid  6018] <... close resumed>)        = 0
[pid  6017] close(5 <unfinished ...>
[pid  6016] close(10 <unfinished ...>
[pid  6015] close(6 <unfinished ...>
[pid  6019] setpgid(0, 0 <unfinished ...>
[pid  6017] <... close resumed>)        = 0
[pid  6016] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6015] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6019] <... setpgid resumed>)      = 0
[pid  6016] close(11 <unfinished ...>
[pid  6018] close(6 <unfinished ...>
[pid  6015] close(7 <unfinished ...>
[pid  6016] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6018] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6016] close(12 <unfinished ...>
[pid  6015] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6018] close(7 <unfinished ...>
[pid  6017] close(6 <unfinished ...>
[pid  6016] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6015] close(8 <unfinished ...>
[pid  6018] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6017] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6016] close(13 <unfinished ...>
[pid  6015] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6018] close(8 <unfinished ...>
[pid  6017] close(7 <unfinished ...>
[pid  6016] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6015] close(9 <unfinished ...>
[pid  6019] <... openat resumed>)       = 3
[pid  6018] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6017] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6016] close(14 <unfinished ...>
[pid  6015] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6019] write(3, "1000", 4 <unfinished ...>
[pid  6018] close(9 <unfinished ...>
[pid  6017] close(8 <unfinished ...>
[pid  6016] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6015] close(10 <unfinished ...>
[pid  6019] <... write resumed>)        = 4
[pid  6018] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6017] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6016] close(15 <unfinished ...>
[pid  6015] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6018] close(10 <unfinished ...>
[pid  6017] close(9 <unfinished ...>
[pid  6015] close(11 <unfinished ...>
[pid  6018] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6017] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6015] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6018] close(11 <unfinished ...>
[pid  6017] close(10 <unfinished ...>
[pid  6015] close(12 <unfinished ...>
[pid  6018] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6017] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6015] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6018] close(12 <unfinished ...>
[pid  6017] close(11 <unfinished ...>
[pid  6015] close(13 <unfinished ...>
[pid  6018] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6017] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6018] close(13 <unfinished ...>
[pid  6017] close(12 <unfinished ...>
[pid  6015] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6018] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6017] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6015] close(14 <unfinished ...>
[pid  6018] close(14 <unfinished ...>
[pid  6017] close(13 <unfinished ...>
[pid  6015] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6018] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6018] close(15 <unfinished ...>
[pid  6017] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6015] close(15 <unfinished ...>
[pid  6019] close(3 <unfinished ...>
[pid  6018] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6017] close(14 <unfinished ...>
[pid  6016] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6015] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6019] <... close resumed>)        = 0
[pid  6016] close(16 <unfinished ...>
[pid  6019] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6018] close(16 <unfinished ...>
[pid  6017] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6016] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6015] close(16 <unfinished ...>
[pid  6019] <... symlink resumed>)      = 0
[pid  6018] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  6017] close(15 <unfinished ...>
[pid  6016] close(17 <unfinished ...>
[pid  6015] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6019] write(1, "executing program\n", 18 <unfinished ...>
[pid  6018] close(17 <unfinished ...>
[pid  6017] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6016] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6015] close(17 <unfinished ...>
[pid  6019] <... write resumed>)        = 18
[pid  6018] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6017] close(16 <unfinished ...>
[pid  6016] close(18 <unfinished ...>
[pid  6015] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6019] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6018] close(18 <unfinished ...>
[pid  6017] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6016] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6015] close(18 <unfinished ...>
[pid  6019] <... bpf resumed>)          = 3
[pid  6018] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6017] close(17 <unfinished ...>
[pid  6016] close(19 <unfinished ...>
[pid  6015] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6019] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6018] close(19 <unfinished ...>
[pid  6017] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6016] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6015] close(19 <unfinished ...>
[pid  6018] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6017] close(18 <unfinished ...>
[pid  6016] close(20 <unfinished ...>
[pid  6015] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6019] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6018] close(20 <unfinished ...>
[pid  6017] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6016] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6015] close(20 <unfinished ...>
[pid  6019] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6018] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6017] close(19 <unfinished ...>
[pid  6016] close(21 <unfinished ...>
[pid  6015] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6018] close(21 <unfinished ...>
[pid  6017] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6016] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6015] close(21 <unfinished ...>
[pid  6018] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6017] close(20 <unfinished ...>
[pid  6016] close(22 <unfinished ...>
[pid  6015] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6019] <... bpf resumed>)          = 4
[pid  6018] close(22 <unfinished ...>
[pid  6017] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6016] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6015] close(22 <unfinished ...>
[pid  6016] close(23 <unfinished ...>
[pid  6019] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6018] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6017] close(21 <unfinished ...>
[pid  6016] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6015] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6018] close(23 <unfinished ...>
[pid  6017] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6016] close(24 <unfinished ...>
[pid  6015] close(23 <unfinished ...>
[pid  6018] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6017] close(22 <unfinished ...>
[pid  6016] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6015] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6018] close(24 <unfinished ...>
[pid  6017] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6016] close(25 <unfinished ...>
[pid  6015] close(24 <unfinished ...>
[pid  6018] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6017] close(23 <unfinished ...>
[pid  6016] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6015] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6019] <... bpf resumed>)          = 5
[pid  6018] close(25 <unfinished ...>
[pid  6017] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6016] close(26 <unfinished ...>
[pid  6015] close(25 <unfinished ...>
[pid  6019] close(3 <unfinished ...>
[pid  6018] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6017] close(24 <unfinished ...>
[pid  6016] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6015] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6019] <... close resumed>)        = 0
[pid  6018] close(26 <unfinished ...>
[pid  6017] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6016] close(27 <unfinished ...>
[pid  6015] close(26 <unfinished ...>
[pid  6019] close(4 <unfinished ...>
[pid  6016] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6019] <... close resumed>)        = 0
[pid  6018] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6017] close(25 <unfinished ...>
[pid  6016] close(28 <unfinished ...>
[pid  6015] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6019] close(5 <unfinished ...>
[pid  6018] close(27 <unfinished ...>
[pid  6017] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6016] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6015] close(27 <unfinished ...>
[pid  6018] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6017] close(26 <unfinished ...>
[pid  6016] close(29 <unfinished ...>
[pid  6015] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6018] close(28 <unfinished ...>
[pid  6017] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6016] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6015] close(28 <unfinished ...>
[pid  6018] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6017] close(27 <unfinished ...>
[pid  6015] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6018] close(29 <unfinished ...>
[pid  6017] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6016] exit_group(0 <unfinished ...>
[pid  6015] close(29 <unfinished ...>
[pid  6018] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6017] close(28 <unfinished ...>
[pid  6016] <... exit_group resumed>)   = ?
[pid  6015] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6019] <... close resumed>)        = 0
[pid  6018] exit_group(0 <unfinished ...>
[pid  6017] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6015] exit_group(0 <unfinished ...>
[pid  6018] <... exit_group resumed>)   = ?
[pid  6017] close(29 <unfinished ...>
[pid  6019] close(6 <unfinished ...>
[pid  6018] +++ exited with 0 +++
[pid  6017] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6016] +++ exited with 0 +++
[pid  6015] <... exit_group resumed>)   = ?
[pid  6019] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6017] exit_group(0 <unfinished ...>
[pid  6015] +++ exited with 0 +++
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6019] close(7 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6019] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6019] close(8 <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6019] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6019] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  6017] <... exit_group resumed>)   = ?
[pid  6019] close(10 <unfinished ...>
[pid  6017] +++ exited with 0 +++
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6019] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6019] close(11 <unfinished ...>
[pid  5854] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6019] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6019] close(12 <unfinished ...>
[pid  5857] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6019] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6019] close(13 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... openat resumed>)       = 3
[pid  6019] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5855] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6019] close(14 <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  6019] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6019] close(15 <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6019] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6019] close(16 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6019] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6019] close(17 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6019] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./30/binderfs",  <unfinished ...>
[pid  5855] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6019] close(18 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] newfstatat(AT_FDCWD, "./29/binderfs",  <unfinished ...>
[pid  6019] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(AT_FDCWD, "./30/binderfs",  <unfinished ...>
[pid  5856] unlink("./30/binderfs" <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./30/binderfs",  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6019] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] unlink("./29/binderfs" <unfinished ...>
[pid  6019] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  5857] unlink("./30/binderfs" <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] unlink("./30/binderfs" <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  6019] close(21 <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] <... unlink resumed>)       = 0
[pid  5856] close(3 <unfinished ...>
[pid  6019] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6019] close(22 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] rmdir("./30" <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6019] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] close(3 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  6019] close(23 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] <... rmdir resumed>)        = 0
[pid  5855] <... close resumed>)        = 0
[pid  5854] <... close resumed>)        = 0
[pid  6019] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6019] close(24 <unfinished ...>
[pid  5857] rmdir("./30" <unfinished ...>
[pid  5855] rmdir("./30" <unfinished ...>
[pid  5856] mkdir("./31", 0777 <unfinished ...>
[pid  5854] rmdir("./29" <unfinished ...>
[pid  6019] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] <... rmdir resumed>)        = 0
[pid  6019] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  5857] mkdir("./31", 0777 <unfinished ...>
[pid  6019] close(26 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] mkdir("./31", 0777 <unfinished ...>
[pid  5854] mkdir("./30", 0777 <unfinished ...>
[pid  6019] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6019] close(27 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... mkdir resumed>)        = 0
./strace-static-x86_64: Process 6020 attached
[pid  6019] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6019] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6021 attached
./strace-static-x86_64: Process 6022 attached
 <unfinished ...>
[pid  6020] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 33
[pid  6020] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 6023 attached
[pid  6022] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6021] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6020] chdir("./31" <unfinished ...>
[pid  6019] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 33
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 32
[pid  6023] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6022] <... set_robust_list resumed>) = 0
[pid  6021] <... set_robust_list resumed>) = 0
[pid  6020] <... chdir resumed>)        = 0
[pid  6019] exit_group(0 <unfinished ...>
[pid  6023] <... set_robust_list resumed>) = 0
[pid  6020] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6021] chdir("./31" <unfinished ...>
[pid  6020] <... prctl resumed>)        = 0
[pid  6022] chdir("./30" <unfinished ...>
[pid  6019] <... exit_group resumed>)   = ?
[pid  6023] chdir("./31" <unfinished ...>
[pid  6022] <... chdir resumed>)        = 0
[pid  6021] <... chdir resumed>)        = 0
[pid  6020] setpgid(0, 0 <unfinished ...>
[pid  6019] +++ exited with 0 +++
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 33
[pid  6020] <... setpgid resumed>)      = 0
[pid  6022] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6021] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6023] <... chdir resumed>)        = 0
[pid  6020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6022] <... prctl resumed>)        = 0
[pid  6021] <... prctl resumed>)        = 0
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6023] setpgid(0, 0 <unfinished ...>
[pid  6022] setpgid(0, 0 <unfinished ...>
[pid  6021] setpgid(0, 0 <unfinished ...>
[pid  6023] <... setpgid resumed>)      = 0
[pid  6022] <... setpgid resumed>)      = 0
[pid  6021] <... setpgid resumed>)      = 0
[pid  6020] <... openat resumed>)       = 3
[pid  6023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6023] <... openat resumed>)       = 3
[pid  6021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6022] <... openat resumed>)       = 3
[pid  6020] write(3, "1000", 4 <unfinished ...>
[pid  5853] <... restart_syscall resumed>) = 0
[pid  6023] write(3, "1000", 4 <unfinished ...>
[pid  6022] write(3, "1000", 4 <unfinished ...>
[pid  6020] <... write resumed>)        = 4
[pid  6023] <... write resumed>)        = 4
[pid  6022] <... write resumed>)        = 4
[pid  6021] <... openat resumed>)       = 3
[pid  6020] close(3 <unfinished ...>
[pid  6023] close(3 <unfinished ...>
[pid  6022] close(3 <unfinished ...>
[pid  6021] write(3, "1000", 4 <unfinished ...>
[pid  6020] <... close resumed>)        = 0
[pid  6023] <... close resumed>)        = 0
[pid  6022] <... close resumed>)        = 0
[pid  6020] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6023] symlink("/dev/binderfs", "./binderfs") = 0
[pid  6022] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6021] <... write resumed>)        = 4
[pid  6020] <... symlink resumed>)      = 0
[pid  5853] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6022] <... symlink resumed>)      = 0
[pid  6021] close(3 <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
executing program
[pid  6023] write(1, "executing program\n", 18 <unfinished ...>
[pid  6022] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6021] <... close resumed>)        = 0
[pid  6020] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6023] <... write resumed>)        = 18
[pid  6022] <... write resumed>)        = 18
[pid  6021] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6020] <... write resumed>)        = 18
[pid  6023] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6022] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6020] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  6023] <... bpf resumed>)          = 3
[pid  6022] <... bpf resumed>)          = 3
[pid  6021] <... symlink resumed>)      = 0
[pid  6020] <... bpf resumed>)          = 3
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6023] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6022] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6020] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6023] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6022] <... bpf resumed>)          = -1 EFAULT (Bad address)
executing program
[pid  6021] write(1, "executing program\n", 18 <unfinished ...>
[pid  6020] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6023] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6022] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6021] <... write resumed>)        = 18
[pid  6020] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6023] <... bpf resumed>)          = 4
[pid  6022] <... bpf resumed>)          = 4
[pid  6021] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6023] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6022] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6021] <... bpf resumed>)          = 3
[pid  6020] <... bpf resumed>)          = 4
[pid  5853] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6023] <... bpf resumed>)          = 5
[pid  6021] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6023] close(3 <unfinished ...>
[pid  6022] <... bpf resumed>)          = 5
[pid  6021] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6020] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./30/binderfs",  <unfinished ...>
[pid  6023] <... close resumed>)        = 0
[pid  6021] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6020] <... bpf resumed>)          = 5
[pid  6023] close(4 <unfinished ...>
[pid  6022] close(3 <unfinished ...>
[pid  6020] close(3 <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6023] <... close resumed>)        = 0
[pid  6022] <... close resumed>)        = 0
[pid  6020] <... close resumed>)        = 0
[pid  6023] close(5 <unfinished ...>
[pid  6022] close(4 <unfinished ...>
[pid  6021] <... bpf resumed>)          = 4
[pid  6020] close(4 <unfinished ...>
[pid  5853] unlink("./30/binderfs" <unfinished ...>
[pid  6023] <... close resumed>)        = 0
[pid  6022] <... close resumed>)        = 0
[pid  6020] <... close resumed>)        = 0
[pid  6021] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  6020] close(5 <unfinished ...>
[pid  6021] <... bpf resumed>)          = 5
[pid  6023] close(6 <unfinished ...>
[pid  6022] close(5 <unfinished ...>
[pid  6021] close(3 <unfinished ...>
[pid  6020] <... close resumed>)        = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6023] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6023] close(7 <unfinished ...>
[pid  6022] <... close resumed>)        = 0
[pid  6021] <... close resumed>)        = 0
[pid  6020] close(6 <unfinished ...>
[pid  6023] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] close(3 <unfinished ...>
[pid  6021] close(4 <unfinished ...>
[pid  6023] close(8 <unfinished ...>
[pid  6021] <... close resumed>)        = 0
[pid  6020] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... close resumed>)        = 0
[pid  6023] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6022] close(6 <unfinished ...>
[pid  6021] close(5 <unfinished ...>
[pid  6020] close(7 <unfinished ...>
[pid  6023] close(9 <unfinished ...>
[pid  6022] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6020] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] rmdir("./30" <unfinished ...>
[pid  6023] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6022] close(7 <unfinished ...>
[pid  6021] <... close resumed>)        = 0
[pid  6020] close(8 <unfinished ...>
[pid  6023] close(10 <unfinished ...>
[pid  6022] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6021] close(6 <unfinished ...>
[pid  6020] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... rmdir resumed>)        = 0
[pid  6023] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6022] close(8 <unfinished ...>
[pid  6021] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6020] close(9 <unfinished ...>
[pid  6023] close(11 <unfinished ...>
[pid  6022] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6021] close(7 <unfinished ...>
[pid  6020] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] mkdir("./31", 0777 <unfinished ...>
[pid  6023] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6022] close(9 <unfinished ...>
[pid  6021] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6020] close(10 <unfinished ...>
[pid  6023] close(12 <unfinished ...>
[pid  6022] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6021] close(8 <unfinished ...>
[pid  6020] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... mkdir resumed>)        = 0
[pid  6021] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6021] close(9 <unfinished ...>
[pid  6023] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6022] close(10 <unfinished ...>
[pid  6020] close(11 <unfinished ...>
[pid  6023] close(13 <unfinished ...>
[pid  6022] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6020] <... close resumed>)        = -1 EBADF (Bad file descriptor)
./strace-static-x86_64: Process 6024 attached
[pid  6023] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6022] close(11 <unfinished ...>
[pid  6021] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6020] close(12 <unfinished ...>
[pid  6024] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6023] close(14 <unfinished ...>
[pid  6022] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6021] close(10 <unfinished ...>
[pid  6020] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 33
[pid  6024] <... set_robust_list resumed>) = 0
[pid  6023] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6022] close(12 <unfinished ...>
[pid  6021] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6020] close(13 <unfinished ...>
[pid  6024] chdir("./31" <unfinished ...>
[pid  6023] close(15 <unfinished ...>
[pid  6022] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6021] close(11 <unfinished ...>
[pid  6020] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6024] <... chdir resumed>)        = 0
[pid  6023] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6022] close(13 <unfinished ...>
[pid  6021] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6020] close(14 <unfinished ...>
[pid  6024] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6023] close(16 <unfinished ...>
[pid  6022] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6021] close(12 <unfinished ...>
[pid  6020] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6024] <... prctl resumed>)        = 0
[pid  6023] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6022] close(14 <unfinished ...>
[pid  6021] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6020] close(15 <unfinished ...>
[pid  6024] setpgid(0, 0 <unfinished ...>
[pid  6023] close(17 <unfinished ...>
[pid  6022] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6021] close(13 <unfinished ...>
[pid  6024] <... setpgid resumed>)      = 0
[pid  6023] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6022] close(15 <unfinished ...>
[pid  6020] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6021] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6023] close(18 <unfinished ...>
[pid  6022] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6020] close(16 <unfinished ...>
[pid  6021] close(14 <unfinished ...>
[pid  6024] <... openat resumed>)       = 3
[pid  6023] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6022] close(16 <unfinished ...>
[pid  6021] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6020] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6024] write(3, "1000", 4 <unfinished ...>
[pid  6023] close(19 <unfinished ...>
[pid  6022] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6021] close(15 <unfinished ...>
[pid  6020] close(17 <unfinished ...>
[pid  6024] <... write resumed>)        = 4
[pid  6023] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6022] close(17 <unfinished ...>
[pid  6021] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6020] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6024] close(3 <unfinished ...>
[pid  6023] close(20 <unfinished ...>
[pid  6022] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6021] close(16 <unfinished ...>
[pid  6020] close(18 <unfinished ...>
[pid  6024] <... close resumed>)        = 0
[pid  6023] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6022] close(18 <unfinished ...>
[pid  6021] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6020] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6024] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6023] close(21 <unfinished ...>
[pid  6022] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6021] close(17 <unfinished ...>
[pid  6020] close(19 <unfinished ...>
[pid  6024] <... symlink resumed>)      = 0
[pid  6023] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  6022] close(19 <unfinished ...>
[pid  6021] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6020] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6024] write(1, "executing program\n", 18 <unfinished ...>
[pid  6023] close(22 <unfinished ...>
[pid  6022] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6021] close(18 <unfinished ...>
[pid  6020] close(20 <unfinished ...>
[pid  6024] <... write resumed>)        = 18
[pid  6023] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6024] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6023] close(23 <unfinished ...>
[pid  6022] close(20 <unfinished ...>
[pid  6021] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6020] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6024] <... bpf resumed>)          = 3
[pid  6023] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6022] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6021] close(19 <unfinished ...>
[pid  6020] close(21 <unfinished ...>
[pid  6024] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6023] close(24 <unfinished ...>
[pid  6022] close(21 <unfinished ...>
[pid  6021] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6020] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6024] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6023] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6022] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6021] close(20 <unfinished ...>
[pid  6020] close(22 <unfinished ...>
[pid  6024] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6023] close(25 <unfinished ...>
[pid  6022] close(22 <unfinished ...>
[pid  6021] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6020] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6023] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6022] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6020] close(23 <unfinished ...>
[pid  6024] <... bpf resumed>)          = 4
[pid  6023] close(26 <unfinished ...>
[pid  6022] close(23 <unfinished ...>
[pid  6021] close(21 <unfinished ...>
[pid  6020] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6024] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6023] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6022] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6021] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6020] close(24 <unfinished ...>
[pid  6024] <... bpf resumed>)          = 5
[pid  6023] close(27 <unfinished ...>
[pid  6022] close(24 <unfinished ...>
[pid  6021] close(22 <unfinished ...>
[pid  6020] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6024] close(3 <unfinished ...>
[pid  6023] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6022] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6021] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6020] close(25 <unfinished ...>
[pid  6024] <... close resumed>)        = 0
[pid  6023] close(28 <unfinished ...>
[pid  6022] close(25 <unfinished ...>
[pid  6021] close(23 <unfinished ...>
[pid  6020] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6024] close(4 <unfinished ...>
[pid  6023] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6022] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6021] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6020] close(26 <unfinished ...>
[pid  6024] <... close resumed>)        = 0
[pid  6023] close(29 <unfinished ...>
[pid  6021] close(24 <unfinished ...>
[pid  6024] close(5 <unfinished ...>
[pid  6023] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6022] close(26 <unfinished ...>
[pid  6021] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6020] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6024] <... close resumed>)        = 0
[pid  6023] exit_group(0 <unfinished ...>
[pid  6022] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6021] close(25 <unfinished ...>
[pid  6020] close(27 <unfinished ...>
[pid  6024] close(6 <unfinished ...>
[pid  6023] <... exit_group resumed>)   = ?
[pid  6022] close(27 <unfinished ...>
[pid  6021] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6020] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6024] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6023] +++ exited with 0 +++
[pid  6022] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6021] close(26 <unfinished ...>
[pid  6020] close(28 <unfinished ...>
[pid  6024] close(7 <unfinished ...>
[pid  6022] close(28 <unfinished ...>
[pid  6021] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6020] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6024] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6022] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6021] close(27 <unfinished ...>
[pid  6020] close(29 <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6024] close(8 <unfinished ...>
[pid  6021] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6024] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6021] close(28 <unfinished ...>
[pid  6024] close(9 <unfinished ...>
[pid  6021] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6024] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6021] close(29 <unfinished ...>
[pid  6024] close(10 <unfinished ...>
[pid  6021] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6024] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6024] close(11 <unfinished ...>
[pid  6022] close(29 <unfinished ...>
[pid  6021] exit_group(0 <unfinished ...>
[pid  6020] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6024] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6022] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6021] <... exit_group resumed>)   = ?
[pid  6020] exit_group(0 <unfinished ...>
[pid  6024] close(12 <unfinished ...>
[pid  6022] exit_group(0 <unfinished ...>
[pid  6020] <... exit_group resumed>)   = ?
[pid  6024] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6022] <... exit_group resumed>)   = ?
[pid  6021] +++ exited with 0 +++
[pid  6020] +++ exited with 0 +++
[pid  6024] close(13 <unfinished ...>
[pid  6022] +++ exited with 0 +++
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6024] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6024] close(14 <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6024] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6024] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  6024] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  6024] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  6024] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  6024] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  6024] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  6024] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  6024] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  6024] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  6024] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  6024] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  6024] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  6024] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  6024] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  5855] <... restart_syscall resumed>) = 0
[pid  6024] close(29 <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  6024] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6024] exit_group(0 <unfinished ...>
[pid  5855] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6024] <... exit_group resumed>)   = ?
[pid  5857] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... openat resumed>)       = 3
[pid  5854] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6024] +++ exited with 0 +++
[pid  5857] <... openat resumed>)       = 3
[pid  5856] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] newfstatat(AT_FDCWD, "./31/binderfs",  <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] newfstatat(AT_FDCWD, "./31/binderfs",  <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./31/binderfs",  <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] unlink("./31/binderfs" <unfinished ...>
[pid  5856] unlink("./31/binderfs" <unfinished ...>
[pid  5855] unlink("./31/binderfs" <unfinished ...>
[pid  5854] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... close resumed>)        = 0
[pid  5853] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] rmdir("./31" <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] newfstatat(AT_FDCWD, "./30/binderfs",  <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] mkdir("./32", 0777 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] close(3 <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] <... close resumed>)        = 0
[pid  5854] unlink("./30/binderfs" <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] rmdir("./31" <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5857] rmdir("./31" <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
./strace-static-x86_64: Process 6025 attached
[pid  5857] <... rmdir resumed>)        = 0
[pid  5855] mkdir("./32", 0777 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6025] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 34
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6025] <... set_robust_list resumed>) = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6025] chdir("./32" <unfinished ...>
[pid  5857] mkdir("./32", 0777 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] close(3 <unfinished ...>
[pid  5853] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6025] <... chdir resumed>)        = 0
[pid  5857] <... mkdir resumed>)        = 0
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] <... close resumed>)        = 0
./strace-static-x86_64: Process 6026 attached
[pid  6025] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] rmdir("./30" <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 6027 attached
[pid  6026] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6025] <... prctl resumed>)        = 0
[pid  5853] newfstatat(AT_FDCWD, "./31/binderfs",  <unfinished ...>
[pid  6026] <... set_robust_list resumed>) = 0
[pid  6025] setpgid(0, 0 <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6027] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5854] mkdir("./31", 0777 <unfinished ...>
[pid  6026] chdir("./32" <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 34
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 34
[pid  5854] <... mkdir resumed>)        = 0
[pid  6027] <... set_robust_list resumed>) = 0
[pid  6026] <... chdir resumed>)        = 0
[pid  6025] <... setpgid resumed>)      = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] unlink("./31/binderfs" <unfinished ...>
[pid  6027] chdir("./32" <unfinished ...>
[pid  6026] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6027] <... chdir resumed>)        = 0
[pid  6026] <... prctl resumed>)        = 0
[pid  5853] <... unlink resumed>)       = 0
./strace-static-x86_64: Process 6028 attached
[pid  6027] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6026] setpgid(0, 0 <unfinished ...>
[pid  6025] <... openat resumed>)       = 3
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 33
[pid  6028] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6027] <... prctl resumed>)        = 0
[pid  6026] <... setpgid resumed>)      = 0
[pid  6025] write(3, "1000", 4 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6028] <... set_robust_list resumed>) = 0
[pid  6027] setpgid(0, 0 <unfinished ...>
[pid  6026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6025] <... write resumed>)        = 4
[pid  5853] close(3 <unfinished ...>
[pid  6028] chdir("./31" <unfinished ...>
[pid  6027] <... setpgid resumed>)      = 0
[pid  6026] <... openat resumed>)       = 3
[pid  6025] close(3 <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  6028] <... chdir resumed>)        = 0
[pid  6027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6026] write(3, "1000", 4 <unfinished ...>
[pid  6025] <... close resumed>)        = 0
[pid  5853] rmdir("./31" <unfinished ...>
[pid  6026] <... write resumed>)        = 4
[pid  6025] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6028] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6027] <... openat resumed>)       = 3
[pid  6026] close(3 <unfinished ...>
[pid  6025] <... symlink resumed>)      = 0
[pid  6028] <... prctl resumed>)        = 0
[pid  6026] <... close resumed>)        = 0
[pid  5853] <... rmdir resumed>)        = 0
[pid  6028] setpgid(0, 0 <unfinished ...>
[pid  6027] write(3, "1000", 4 <unfinished ...>
[pid  6026] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6025] write(1, "executing program\n", 18 <unfinished ...>
[pid  5853] mkdir("./32", 0777 <unfinished ...>
[pid  6028] <... setpgid resumed>)      = 0
[pid  6027] <... write resumed>)        = 4
[pid  6026] <... symlink resumed>)      = 0
executing program
[pid  6028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6027] close(3 <unfinished ...>
[pid  6026] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6025] <... write resumed>)        = 18
[pid  5853] <... mkdir resumed>)        = 0
[pid  6028] <... openat resumed>)       = 3
[pid  6027] <... close resumed>)        = 0
[pid  6026] <... write resumed>)        = 18
[pid  6025] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6027] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6026] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6028] write(3, "1000", 4 <unfinished ...>
[pid  6027] <... symlink resumed>)      = 0
[pid  6026] <... bpf resumed>)          = 3
[pid  6025] <... bpf resumed>)          = 3
./strace-static-x86_64: Process 6029 attached
[pid  6028] <... write resumed>)        = 4
[pid  6027] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6026] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6025] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6029] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6028] close(3 <unfinished ...>
[pid  6027] <... write resumed>)        = 18
[pid  6026] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6025] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6029] <... set_robust_list resumed>) = 0
[pid  6028] <... close resumed>)        = 0
[pid  6027] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6026] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6025] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6029] chdir("./32" <unfinished ...>
[pid  6028] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6027] <... bpf resumed>)          = 3
[pid  6026] <... bpf resumed>)          = 4
[pid  6025] <... bpf resumed>)          = 4
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 34
[pid  6029] <... chdir resumed>)        = 0
[pid  6028] <... symlink resumed>)      = 0
[pid  6027] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6029] setpgid(0, 0 <unfinished ...>
executing program
[pid  6028] write(1, "executing program\n", 18 <unfinished ...>
[pid  6027] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6026] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6025] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6029] <... setpgid resumed>)      = 0
[pid  6028] <... write resumed>)        = 18
[pid  6027] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6026] <... bpf resumed>)          = 5
[pid  6025] <... bpf resumed>)          = 5
[pid  6029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6028] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6027] <... bpf resumed>)          = 4
[pid  6028] <... bpf resumed>)          = 3
[pid  6026] close(3 <unfinished ...>
[pid  6025] close(3 <unfinished ...>
[pid  6029] <... openat resumed>)       = 3
[pid  6026] <... close resumed>)        = 0
[pid  6029] write(3, "1000", 4 <unfinished ...>
[pid  6028] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6027] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6026] close(4 <unfinished ...>
[pid  6025] <... close resumed>)        = 0
[pid  6029] <... write resumed>)        = 4
[pid  6028] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6027] <... bpf resumed>)          = 5
[pid  6026] <... close resumed>)        = 0
[pid  6025] close(4 <unfinished ...>
[pid  6028] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6027] close(3 <unfinished ...>
[pid  6026] close(5 <unfinished ...>
[pid  6025] <... close resumed>)        = 0
[pid  6029] close(3 <unfinished ...>
[pid  6028] <... bpf resumed>)          = 4
[pid  6027] <... close resumed>)        = 0
[pid  6026] <... close resumed>)        = 0
[pid  6025] close(5 <unfinished ...>
[pid  6029] <... close resumed>)        = 0
[pid  6029] symlink("/dev/binderfs", "./binderfs") = 0
[pid  6027] close(4 <unfinished ...>
[pid  6026] close(6 <unfinished ...>
[pid  6025] <... close resumed>)        = 0
executing program
[pid  6028] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6027] <... close resumed>)        = 0
[pid  6026] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6029] write(1, "executing program\n", 18) = 18
[pid  6028] <... bpf resumed>)          = 5
[pid  6027] close(5 <unfinished ...>
[pid  6026] close(7 <unfinished ...>
[pid  6029] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6028] close(3 <unfinished ...>
[pid  6027] <... close resumed>)        = 0
[pid  6026] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6025] close(6 <unfinished ...>
[pid  6029] <... bpf resumed>)          = 3
[pid  6028] <... close resumed>)        = 0
[pid  6027] close(6 <unfinished ...>
[pid  6026] close(8 <unfinished ...>
[pid  6025] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6029] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6028] close(4 <unfinished ...>
[pid  6027] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6026] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6025] close(7 <unfinished ...>
[pid  6028] <... close resumed>)        = 0
[pid  6027] close(7 <unfinished ...>
[pid  6029] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6026] close(9 <unfinished ...>
[pid  6025] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6028] close(5 <unfinished ...>
[pid  6027] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6026] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6025] close(8 <unfinished ...>
[pid  6029] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6028] <... close resumed>)        = 0
[pid  6027] close(8 <unfinished ...>
[pid  6026] close(10 <unfinished ...>
[pid  6025] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6026] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6025] close(9 <unfinished ...>
[pid  6027] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6027] close(9 <unfinished ...>
[pid  6026] close(11 <unfinished ...>
[pid  6025] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6029] <... bpf resumed>)          = 4
[pid  6027] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6026] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6025] close(10 <unfinished ...>
[pid  6028] close(6 <unfinished ...>
[pid  6027] close(10 <unfinished ...>
[pid  6026] close(12 <unfinished ...>
[pid  6025] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6028] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6027] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6026] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6025] close(11 <unfinished ...>
[pid  6028] close(7 <unfinished ...>
[pid  6027] close(11 <unfinished ...>
[pid  6026] close(13 <unfinished ...>
[pid  6025] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6028] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6027] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6026] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6025] close(12 <unfinished ...>
[pid  6028] close(8 <unfinished ...>
[pid  6027] close(12 <unfinished ...>
[pid  6026] close(14 <unfinished ...>
[pid  6025] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6028] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6027] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6026] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6025] close(13 <unfinished ...>
[pid  6028] close(9 <unfinished ...>
[pid  6027] close(13 <unfinished ...>
[pid  6026] close(15 <unfinished ...>
[pid  6028] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6027] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6026] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6029] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6025] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6028] close(10 <unfinished ...>
[pid  6027] close(14 <unfinished ...>
[pid  6026] close(16 <unfinished ...>
[pid  6025] close(14 <unfinished ...>
[pid  6028] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6027] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6026] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6025] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6029] <... bpf resumed>)          = 5
[pid  6029] close(3 <unfinished ...>
[pid  6028] close(11 <unfinished ...>
[pid  6027] close(15 <unfinished ...>
[pid  6026] close(17 <unfinished ...>
[pid  6025] close(15 <unfinished ...>
[pid  6029] <... close resumed>)        = 0
[pid  6028] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6027] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6026] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6025] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6029] close(4 <unfinished ...>
[pid  6028] close(12 <unfinished ...>
[pid  6027] close(16 <unfinished ...>
[pid  6026] close(18 <unfinished ...>
[pid  6025] close(16 <unfinished ...>
[pid  6029] <... close resumed>)        = 0
[pid  6028] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6027] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6026] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6025] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6029] close(5 <unfinished ...>
[pid  6028] close(13 <unfinished ...>
[pid  6027] close(17 <unfinished ...>
[pid  6026] close(19 <unfinished ...>
[pid  6025] close(17 <unfinished ...>
[pid  6029] <... close resumed>)        = 0
[pid  6028] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6027] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6026] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6025] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6028] close(14 <unfinished ...>
[pid  6027] close(18 <unfinished ...>
[pid  6026] close(20 <unfinished ...>
[pid  6025] close(18 <unfinished ...>
[pid  6028] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6027] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6026] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6025] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6029] close(6 <unfinished ...>
[pid  6028] close(15 <unfinished ...>
[pid  6027] close(19 <unfinished ...>
[pid  6026] close(21 <unfinished ...>
[pid  6025] close(19 <unfinished ...>
[pid  6029] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6028] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6027] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6026] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6025] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6029] close(7 <unfinished ...>
[pid  6028] close(16 <unfinished ...>
[pid  6027] close(20 <unfinished ...>
[pid  6026] close(22 <unfinished ...>
[pid  6025] close(20 <unfinished ...>
[pid  6029] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6028] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6027] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6026] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6025] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6029] close(8 <unfinished ...>
[pid  6028] close(17 <unfinished ...>
[pid  6027] close(21 <unfinished ...>
[pid  6026] close(23 <unfinished ...>
[pid  6025] close(21 <unfinished ...>
[pid  6029] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6028] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6027] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6026] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6025] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6029] close(9 <unfinished ...>
[pid  6028] close(18 <unfinished ...>
[pid  6027] close(22 <unfinished ...>
[pid  6026] close(24 <unfinished ...>
[pid  6025] close(22 <unfinished ...>
[pid  6029] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6028] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6027] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6026] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6025] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6029] close(10 <unfinished ...>
[pid  6028] close(19 <unfinished ...>
[pid  6027] close(23 <unfinished ...>
[pid  6026] close(25 <unfinished ...>
[pid  6025] close(23 <unfinished ...>
[pid  6028] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6027] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6026] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6025] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6029] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6028] close(20 <unfinished ...>
[pid  6027] close(24 <unfinished ...>
[pid  6026] close(26 <unfinished ...>
[pid  6025] close(24 <unfinished ...>
[pid  6029] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  6028] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6027] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6026] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6025] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6029] close(12 <unfinished ...>
[pid  6028] close(21 <unfinished ...>
[pid  6027] close(25 <unfinished ...>
[pid  6026] close(27 <unfinished ...>
[pid  6025] close(25 <unfinished ...>
[pid  6029] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6028] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6027] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6026] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6025] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6029] close(13 <unfinished ...>
[pid  6028] close(22 <unfinished ...>
[pid  6027] close(26 <unfinished ...>
[pid  6026] close(28 <unfinished ...>
[pid  6025] close(26 <unfinished ...>
[pid  6029] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6028] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6027] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6026] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6025] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6029] close(14 <unfinished ...>
[pid  6028] close(23 <unfinished ...>
[pid  6027] close(27 <unfinished ...>
[pid  6026] close(29 <unfinished ...>
[pid  6025] close(27 <unfinished ...>
[pid  6029] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6028] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6027] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6026] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6025] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6028] close(24 <unfinished ...>
[pid  6027] close(28 <unfinished ...>
[pid  6026] exit_group(0 <unfinished ...>
[pid  6029] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  6028] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6027] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6026] <... exit_group resumed>)   = ?
[pid  6025] close(28 <unfinished ...>
[pid  6029] close(16 <unfinished ...>
[pid  6028] close(25 <unfinished ...>
[pid  6027] close(29 <unfinished ...>
[pid  6026] +++ exited with 0 +++
[pid  6025] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6029] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6028] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6027] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6025] close(29 <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6029] close(17 <unfinished ...>
[pid  6028] close(26 <unfinished ...>
[pid  6027] exit_group(0 <unfinished ...>
[pid  6025] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6029] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6028] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6027] <... exit_group resumed>)   = ?
[pid  6025] exit_group(0 <unfinished ...>
[pid  6029] close(18 <unfinished ...>
[pid  6028] close(27 <unfinished ...>
[pid  6027] +++ exited with 0 +++
[pid  6029] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6028] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6025] <... exit_group resumed>)   = ?
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6029] close(19 <unfinished ...>
[pid  6028] close(28 <unfinished ...>
[pid  6025] +++ exited with 0 +++
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6029] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6028] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6029] close(20 <unfinished ...>
[pid  6028] close(29 <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6029] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... restart_syscall resumed>) = 0
[pid  6029] close(21 <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6029] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... restart_syscall resumed>) = 0
[pid  6029] close(22 <unfinished ...>
[pid  6028] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6029] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6028] exit_group(0 <unfinished ...>
[pid  6029] close(23 <unfinished ...>
[pid  6028] <... exit_group resumed>)   = ?
[pid  5857] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6029] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6028] +++ exited with 0 +++
[pid  6029] close(24 <unfinished ...>
[pid  5856] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6029] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6029] close(25 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... restart_syscall resumed>) = 0
[pid  6029] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6029] close(26 <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5856] <... openat resumed>)       = 3
[pid  6029] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6029] close(27 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6029] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6029] close(28 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6029] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... openat resumed>)       = 3
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6029] close(29 <unfinished ...>
[pid  5857] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6029] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./32/binderfs",  <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] <... openat resumed>)       = 3
[pid  6029] exit_group(0 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6029] <... exit_group resumed>)   = ?
[pid  5856] newfstatat(AT_FDCWD, "./32/binderfs",  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5857] unlink("./32/binderfs" <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6029] +++ exited with 0 +++
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] unlink("./32/binderfs" <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] newfstatat(AT_FDCWD, "./32/binderfs",  <unfinished ...>
[pid  5854] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5857] close(3)                    = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] rmdir("./32" <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] unlink("./32/binderfs" <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./31/binderfs",  <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] close(3 <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] mkdir("./33", 0777 <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] unlink("./31/binderfs" <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] rmdir("./32" <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] close(3./strace-static-x86_64: Process 6030 attached
 <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5855] <... close resumed>)        = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6030] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5855] rmdir("./32" <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6030] <... set_robust_list resumed>) = 0
[pid  5856] mkdir("./33", 0777 <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  6030] chdir("./33" <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 35
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] <... close resumed>)        = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] rmdir("./31" <unfinished ...>
[pid  5853] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6030] <... chdir resumed>)        = 0
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6030] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./32/binderfs",  <unfinished ...>
[pid  6030] <... prctl resumed>)        = 0
[pid  5855] mkdir("./33", 0777 <unfinished ...>
[pid  5854] mkdir("./32", 0777 <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6030] setpgid(0, 0 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] unlink("./32/binderfs" <unfinished ...>
[pid  6030] <... setpgid resumed>)      = 0
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6032 attached
./strace-static-x86_64: Process 6031 attached
./strace-static-x86_64: Process 6033 attached
 <unfinished ...>
[pid  6030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 35
[pid  6033] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6032] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6031] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6030] <... openat resumed>)       = 3
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 35
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 34
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6033] <... set_robust_list resumed>) = 0
[pid  6032] <... set_robust_list resumed>) = 0
[pid  6031] <... set_robust_list resumed>) = 0
[pid  6030] write(3, "1000", 4 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6033] chdir("./32" <unfinished ...>
[pid  6031] chdir("./33" <unfinished ...>
[pid  6030] <... write resumed>)        = 4
[pid  6032] chdir("./33" <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  6030] close(3)                    = 0
[pid  6032] <... chdir resumed>)        = 0
[pid  6033] <... chdir resumed>)        = 0
[pid  6031] <... chdir resumed>)        = 0
[pid  6030] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  6032] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6031] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5853] rmdir("./32" <unfinished ...>
[pid  6033] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6032] <... prctl resumed>)        = 0
[pid  6031] <... prctl resumed>)        = 0
[pid  6030] <... symlink resumed>)      = 0
[pid  5853] <... rmdir resumed>)        = 0
[pid  6033] <... prctl resumed>)        = 0
[pid  6032] setpgid(0, 0 <unfinished ...>
[pid  6031] setpgid(0, 0)               = 0
executing program
[pid  5853] mkdir("./33", 0777 <unfinished ...>
[pid  6033] setpgid(0, 0 <unfinished ...>
[pid  6032] <... setpgid resumed>)      = 0
[pid  6031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6030] write(1, "executing program\n", 18 <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  6033] <... setpgid resumed>)      = 0
[pid  6032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6031] <... openat resumed>)       = 3
[pid  6030] <... write resumed>)        = 18
[pid  6033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6034 attached
 <unfinished ...>
[pid  6033] <... openat resumed>)       = 3
[pid  6032] <... openat resumed>)       = 3
[pid  6031] write(3, "1000", 4 <unfinished ...>
[pid  6030] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6033] write(3, "1000", 4 <unfinished ...>
[pid  6032] write(3, "1000", 4 <unfinished ...>
[pid  6033] <... write resumed>)        = 4
[pid  6030] <... bpf resumed>)          = 3
[pid  6031] <... write resumed>)        = 4
[pid  6033] close(3 <unfinished ...>
[pid  6032] <... write resumed>)        = 4
[pid  6031] close(3 <unfinished ...>
[pid  6033] <... close resumed>)        = 0
[pid  6032] close(3 <unfinished ...>
[pid  6031] <... close resumed>)        = 0
[pid  6033] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6032] <... close resumed>)        = 0
[pid  6031] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 35
[pid  6034] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6031] <... symlink resumed>)      = 0
executing program
[pid  6030] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6034] <... set_robust_list resumed>) = 0
[pid  6033] <... symlink resumed>)      = 0
[pid  6032] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6031] write(1, "executing program\n", 18) = 18
[pid  6032] <... symlink resumed>)      = 0
[pid  6031] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6034] chdir("./33" <unfinished ...>
[pid  6033] write(1, "executing program\n", 18 <unfinished ...>
[pid  6031] <... bpf resumed>)          = 3
executing program
executing program
[pid  6030] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6034] <... chdir resumed>)        = 0
[pid  6033] <... write resumed>)        = 18
[pid  6032] write(1, "executing program\n", 18 <unfinished ...>
[pid  6031] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6030] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6034] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6033] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6032] <... write resumed>)        = 18
[pid  6031] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6031] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6034] <... prctl resumed>)        = 0
[pid  6033] <... bpf resumed>)          = 3
[pid  6032] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6031] <... bpf resumed>)          = 4
[pid  6030] <... bpf resumed>)          = 4
[pid  6034] setpgid(0, 0 <unfinished ...>
[pid  6033] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6032] <... bpf resumed>)          = 3
[pid  6034] <... setpgid resumed>)      = 0
[pid  6030] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6031] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6033] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6032] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6031] <... bpf resumed>)          = 5
[pid  6033] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6030] <... bpf resumed>)          = 5
[pid  6034] <... openat resumed>)       = 3
[pid  6032] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6031] close(3)                    = 0
[pid  6033] <... bpf resumed>)          = 4
[pid  6032] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6031] close(4 <unfinished ...>
[pid  6030] close(3 <unfinished ...>
[pid  6034] write(3, "1000", 4 <unfinished ...>
[pid  6031] <... close resumed>)        = 0
[pid  6034] <... write resumed>)        = 4
[pid  6031] close(5 <unfinished ...>
[pid  6034] close(3 <unfinished ...>
[pid  6031] <... close resumed>)        = 0
[pid  6031] close(6 <unfinished ...>
[pid  6034] <... close resumed>)        = 0
[pid  6033] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6032] <... bpf resumed>)          = 4
[pid  6030] <... close resumed>)        = 0
[pid  6034] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6032] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6031] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6034] <... symlink resumed>)      = 0
executing program
[pid  6033] <... bpf resumed>)          = 5
[pid  6031] close(7 <unfinished ...>
[pid  6030] close(4 <unfinished ...>
[pid  6034] write(1, "executing program\n", 18 <unfinished ...>
[pid  6032] <... bpf resumed>)          = 5
[pid  6034] <... write resumed>)        = 18
[pid  6032] close(3 <unfinished ...>
[pid  6031] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6030] <... close resumed>)        = 0
[pid  6034] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6033] close(3 <unfinished ...>
[pid  6032] <... close resumed>)        = 0
[pid  6031] close(8 <unfinished ...>
[pid  6030] close(5 <unfinished ...>
[pid  6033] <... close resumed>)        = 0
[pid  6032] close(4 <unfinished ...>
[pid  6034] <... bpf resumed>)          = 3
[pid  6031] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6030] <... close resumed>)        = 0
[pid  6034] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6033] close(4 <unfinished ...>
[pid  6032] <... close resumed>)        = 0
[pid  6031] close(9 <unfinished ...>
[pid  6030] close(6 <unfinished ...>
[pid  6034] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6033] <... close resumed>)        = 0
[pid  6032] close(5 <unfinished ...>
[pid  6031] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6030] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6033] close(5 <unfinished ...>
[pid  6030] close(7 <unfinished ...>
[pid  6033] <... close resumed>)        = 0
[pid  6030] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6030] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  6034] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6033] close(6 <unfinished ...>
[pid  6032] <... close resumed>)        = 0
[pid  6031] close(10 <unfinished ...>
[pid  6030] close(9 <unfinished ...>
[pid  6033] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6030] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6033] close(7 <unfinished ...>
[pid  6030] close(10 <unfinished ...>
[pid  6033] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6030] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6033] close(8 <unfinished ...>
[pid  6030] close(11 <unfinished ...>
[pid  6034] <... bpf resumed>)          = 4
[pid  6033] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6031] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6030] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6033] close(9 <unfinished ...>
[pid  6030] close(12 <unfinished ...>
[pid  6033] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6030] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6033] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  6030] close(13 <unfinished ...>
[pid  6033] close(11 <unfinished ...>
[pid  6030] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6033] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6030] close(14 <unfinished ...>
[pid  6033] close(12 <unfinished ...>
[pid  6030] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6033] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6030] close(15 <unfinished ...>
[pid  6034] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6033] close(13 <unfinished ...>
[pid  6032] close(6 <unfinished ...>
[pid  6031] close(11 <unfinished ...>
[pid  6030] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6033] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6032] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6031] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6030] close(16 <unfinished ...>
[pid  6033] close(14 <unfinished ...>
[pid  6032] close(7 <unfinished ...>
[pid  6031] close(12 <unfinished ...>
[pid  6030] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6034] <... bpf resumed>)          = 5
[pid  6033] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6032] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6031] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6030] close(17 <unfinished ...>
[pid  6034] close(3 <unfinished ...>
[pid  6033] close(15 <unfinished ...>
[pid  6032] close(8 <unfinished ...>
[pid  6031] close(13 <unfinished ...>
[pid  6030] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6034] <... close resumed>)        = 0
[pid  6033] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6032] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6031] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6034] close(4 <unfinished ...>
[pid  6032] close(9 <unfinished ...>
[pid  6031] close(14 <unfinished ...>
[pid  6034] <... close resumed>)        = 0
[pid  6032] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6031] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6034] close(5 <unfinished ...>
[pid  6032] close(10 <unfinished ...>
[pid  6031] close(15 <unfinished ...>
[pid  6032] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6031] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6032] close(11 <unfinished ...>
[pid  6031] close(16 <unfinished ...>
[pid  6032] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6031] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6032] close(12 <unfinished ...>
[pid  6031] close(17 <unfinished ...>
[pid  6032] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6031] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6032] close(13 <unfinished ...>
[pid  6031] close(18 <unfinished ...>
[pid  6032] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6031] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6032] close(14 <unfinished ...>
[pid  6031] close(19 <unfinished ...>
[pid  6033] close(16 <unfinished ...>
[pid  6032] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6031] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6030] close(18 <unfinished ...>
[pid  6034] <... close resumed>)        = 0
[pid  6033] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6032] close(15 <unfinished ...>
[pid  6031] close(20 <unfinished ...>
[pid  6030] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6033] close(17 <unfinished ...>
[pid  6032] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6031] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6030] close(19 <unfinished ...>
[pid  6034] close(6 <unfinished ...>
[pid  6033] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6032] close(16 <unfinished ...>
[pid  6031] close(21 <unfinished ...>
[pid  6030] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6034] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6033] close(18 <unfinished ...>
[pid  6032] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6031] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6030] close(20 <unfinished ...>
[pid  6034] close(7 <unfinished ...>
[pid  6033] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6032] close(17 <unfinished ...>
[pid  6031] close(22 <unfinished ...>
[pid  6030] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6034] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6033] close(19 <unfinished ...>
[pid  6032] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6031] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6030] close(21 <unfinished ...>
[pid  6034] close(8 <unfinished ...>
[pid  6033] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6032] close(18 <unfinished ...>
[pid  6031] close(23 <unfinished ...>
[pid  6030] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6034] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6033] close(20 <unfinished ...>
[pid  6032] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6031] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6030] close(22 <unfinished ...>
[pid  6034] close(9 <unfinished ...>
[pid  6033] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6032] close(19 <unfinished ...>
[pid  6031] close(24 <unfinished ...>
[pid  6030] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6034] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6033] close(21 <unfinished ...>
[pid  6032] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6031] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6030] close(23 <unfinished ...>
[pid  6034] close(10 <unfinished ...>
[pid  6033] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6032] close(20 <unfinished ...>
[pid  6031] close(25 <unfinished ...>
[pid  6030] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6034] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6033] close(22 <unfinished ...>
[pid  6032] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6031] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6030] close(24 <unfinished ...>
[pid  6034] close(11 <unfinished ...>
[pid  6033] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6032] close(21 <unfinished ...>
[pid  6031] close(26 <unfinished ...>
[pid  6030] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6033] close(23 <unfinished ...>
[pid  6030] close(25 <unfinished ...>
[pid  6033] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6030] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6033] close(24 <unfinished ...>
[pid  6030] close(26 <unfinished ...>
[pid  6033] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6030] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6033] close(25 <unfinished ...>
[pid  6030] close(27 <unfinished ...>
[pid  6034] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6033] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6032] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6031] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6030] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6034] close(12 <unfinished ...>
[pid  6033] close(26 <unfinished ...>
[pid  6032] close(22 <unfinished ...>
[pid  6031] close(27 <unfinished ...>
[pid  6030] close(28 <unfinished ...>
[pid  6034] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6033] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6032] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6031] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6030] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6034] close(13 <unfinished ...>
[pid  6033] close(27 <unfinished ...>
[pid  6032] close(23 <unfinished ...>
[pid  6031] close(28 <unfinished ...>
[pid  6030] close(29 <unfinished ...>
[pid  6034] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6033] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6032] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6031] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6030] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6034] close(14 <unfinished ...>
[pid  6033] close(28 <unfinished ...>
[pid  6032] close(24 <unfinished ...>
[pid  6031] close(29 <unfinished ...>
[pid  6030] exit_group(0 <unfinished ...>
[pid  6034] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6033] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6032] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6031] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6030] <... exit_group resumed>)   = ?
[pid  6034] close(15 <unfinished ...>
[pid  6033] close(29 <unfinished ...>
[pid  6032] close(25 <unfinished ...>
[pid  6031] exit_group(0 <unfinished ...>
[pid  6030] +++ exited with 0 +++
[pid  6034] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6033] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6032] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6031] <... exit_group resumed>)   = ?
[pid  6034] close(16 <unfinished ...>
[pid  6033] exit_group(0 <unfinished ...>
[pid  6032] close(26 <unfinished ...>
[pid  6033] <... exit_group resumed>)   = ?
[pid  6034] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6033] +++ exited with 0 +++
[pid  6032] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6031] +++ exited with 0 +++
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6034] close(17 <unfinished ...>
[pid  6032] close(27 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  6034] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6032] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6034] close(18 <unfinished ...>
[pid  6032] close(28 <unfinished ...>
[pid  6034] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6032] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6034] close(19 <unfinished ...>
[pid  6032] close(29 <unfinished ...>
[pid  6034] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6032] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6034] close(20 <unfinished ...>
[pid  6032] exit_group(0 <unfinished ...>
[pid  6034] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6032] <... exit_group resumed>)   = ?
[pid  6034] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  5857] <... restart_syscall resumed>) = 0
[pid  6034] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  6034] close(23 <unfinished ...>
[pid  6032] +++ exited with 0 +++
[pid  6034] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6034] close(24 <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6034] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6034] close(25 <unfinished ...>
[pid  5857] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  6034] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6034] close(26 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6034] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... openat resumed>)       = 3
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6034] close(27 <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6034] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  6034] close(28 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6034] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6034] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  6034] exit_group(0 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6034] <... exit_group resumed>)   = ?
[pid  5857] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] newfstatat(AT_FDCWD, "./33/binderfs",  <unfinished ...>
[pid  5854] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] unlink("./33/binderfs" <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./32/binderfs",  <unfinished ...>
[pid  6034] +++ exited with 0 +++
[pid  5857] <... unlink resumed>)       = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5854] unlink("./32/binderfs" <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5856] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5857] rmdir("./33" <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./33/binderfs",  <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] close(3)                    = 0
[pid  5857] mkdir("./34", 0777 <unfinished ...>
[pid  5856] unlink("./33/binderfs" <unfinished ...>
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5854] rmdir("./32" <unfinished ...>
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  5854] <... rmdir resumed>)        = 0
[pid  5854] mkdir("./33", 0777 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 6035 attached
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5853] <... openat resumed>)       = 3
[pid  5853] newfstatat(3, "", ./strace-static-x86_64: Process 6036 attached
 <unfinished ...>
[pid  6035] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 36
[pid  5856] <... close resumed>)        = 0
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  6036] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6035] <... set_robust_list resumed>) = 0
[pid  5856] rmdir("./33" <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6036] <... set_robust_list resumed>) = 0
[pid  6035] chdir("./34" <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 35
[pid  6036] chdir("./33" <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6035] <... chdir resumed>)        = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6036] <... chdir resumed>)        = 0
[pid  6036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6035] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5856] mkdir("./34", 0777 <unfinished ...>
[pid  5855] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6036] setpgid(0, 0 <unfinished ...>
[pid  6035] <... prctl resumed>)        = 0
[pid  5853] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6036] <... setpgid resumed>)      = 0
[pid  6035] setpgid(0, 0 <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6035] <... setpgid resumed>)      = 0
[pid  5853] newfstatat(AT_FDCWD, "./33/binderfs",  <unfinished ...>
[pid  6036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./33/binderfs",  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6036] write(3, "1000", 4 <unfinished ...>
[pid  6035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] unlink("./33/binderfs"./strace-static-x86_64: Process 6037 attached
 <unfinished ...>
[pid  6036] <... write resumed>)        = 4
[pid  6035] <... openat resumed>)       = 3
[pid  5855] unlink("./33/binderfs" <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  6035] write(3, "1000", 4 <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6035] <... write resumed>)        = 4
[pid  6035] close(3 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6037] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6036] close(3 <unfinished ...>
[pid  6035] <... close resumed>)        = 0
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 36
[pid  5853] close(3 <unfinished ...>
[pid  6036] <... close resumed>)        = 0
[pid  6037] <... set_robust_list resumed>) = 0
[pid  6035] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5853] <... close resumed>)        = 0
[pid  6036] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6037] chdir("./34" <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6036] <... symlink resumed>)      = 0
[pid  6035] <... symlink resumed>)      = 0
[pid  5853] rmdir("./33" <unfinished ...>
[pid  6035] write(1, "executing program\n", 18 <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  6037] <... chdir resumed>)        = 0
executing program
executing program
[pid  6036] write(1, "executing program\n", 18 <unfinished ...>
[pid  6035] <... write resumed>)        = 18
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] mkdir("./34", 0777 <unfinished ...>
[pid  6037] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6036] <... write resumed>)        = 18
[pid  6035] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  6037] <... prctl resumed>)        = 0
[pid  6036] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  6037] setpgid(0, 0 <unfinished ...>
[pid  6035] <... bpf resumed>)          = 3
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6037] <... setpgid resumed>)      = 0
[pid  6036] <... bpf resumed>)          = 3
[pid  6035] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5855] rmdir("./33"./strace-static-x86_64: Process 6038 attached
 <unfinished ...>
[pid  6037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6036] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6035] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5855] <... rmdir resumed>)        = 0
[pid  6038] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6036] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6035] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6038] <... set_robust_list resumed>) = 0
[pid  6037] <... openat resumed>)       = 3
[pid  6036] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5855] mkdir("./34", 0777 <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 36
[pid  6037] write(3, "1000", 4 <unfinished ...>
[pid  6035] <... bpf resumed>)          = 4
[pid  5855] <... mkdir resumed>)        = 0
[pid  6038] chdir("./34" <unfinished ...>
[pid  6037] <... write resumed>)        = 4
[pid  6037] close(3 <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6038] <... chdir resumed>)        = 0
[pid  6037] <... close resumed>)        = 0
[pid  6036] <... bpf resumed>)          = 4
[pid  6035] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16./strace-static-x86_64: Process 6039 attached
 <unfinished ...>
[pid  6038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6038] setpgid(0, 0)               = 0
[pid  6037] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6039] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6037] <... symlink resumed>)      = 0
[pid  6035] <... bpf resumed>)          = 5
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 36
executing program
[pid  6037] write(1, "executing program\n", 18) = 18
[pid  6038] <... openat resumed>)       = 3
[pid  6036] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6035] close(3 <unfinished ...>
[pid  6038] write(3, "1000", 4 <unfinished ...>
[pid  6036] <... bpf resumed>)          = 5
[pid  6038] <... write resumed>)        = 4
[pid  6036] close(3 <unfinished ...>
[pid  6035] <... close resumed>)        = 0
[pid  6038] close(3 <unfinished ...>
[pid  6036] <... close resumed>)        = 0
[pid  6035] close(4 <unfinished ...>
[pid  6038] <... close resumed>)        = 0
[pid  6036] close(4 <unfinished ...>
[pid  6035] <... close resumed>)        = 0
[pid  6038] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6036] <... close resumed>)        = 0
[pid  6038] <... symlink resumed>)      = 0
[pid  6036] close(5 <unfinished ...>
[pid  6035] close(5executing program
 <unfinished ...>
[pid  6039] <... set_robust_list resumed>) = 0
[pid  6038] write(1, "executing program\n", 18 <unfinished ...>
[pid  6037] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6036] <... close resumed>)        = 0
[pid  6039] chdir("./34" <unfinished ...>
[pid  6038] <... write resumed>)        = 18
[pid  6035] <... close resumed>)        = 0
[pid  6037] <... bpf resumed>)          = 3
[pid  6039] <... chdir resumed>)        = 0
[pid  6037] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6039] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6038] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6039] <... prctl resumed>)        = 0
[pid  6037] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6038] <... bpf resumed>)          = 3
[pid  6039] setpgid(0, 0 <unfinished ...>
[pid  6037] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6036] close(6 <unfinished ...>
[pid  6035] close(6 <unfinished ...>
[pid  6039] <... setpgid resumed>)      = 0
[pid  6038] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6036] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6035] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6036] close(7 <unfinished ...>
[pid  6035] close(7 <unfinished ...>
[pid  6036] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6035] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6036] close(8 <unfinished ...>
[pid  6035] close(8 <unfinished ...>
[pid  6039] <... openat resumed>)       = 3
[pid  6036] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6035] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6039] write(3, "1000", 4 <unfinished ...>
[pid  6038] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6036] close(9 <unfinished ...>
[pid  6035] close(9 <unfinished ...>
[pid  6039] <... write resumed>)        = 4
[pid  6038] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6036] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6035] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6036] close(10 <unfinished ...>
[pid  6035] close(10 <unfinished ...>
[pid  6036] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6035] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6036] close(11 <unfinished ...>
[pid  6035] close(11 <unfinished ...>
[pid  6036] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6035] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6036] close(12 <unfinished ...>
[pid  6035] close(12 <unfinished ...>
[pid  6039] close(3 <unfinished ...>
[pid  6038] <... bpf resumed>)          = 4
[pid  6036] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6035] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6039] <... close resumed>)        = 0
[pid  6036] close(13 <unfinished ...>
[pid  6035] close(13 <unfinished ...>
[pid  6036] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6035] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6036] close(14 <unfinished ...>
[pid  6035] close(14 <unfinished ...>
[pid  6036] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6035] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6036] close(15 <unfinished ...>
[pid  6035] close(15 <unfinished ...>
[pid  6036] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6035] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6036] close(16 <unfinished ...>
[pid  6035] close(16 <unfinished ...>
[pid  6036] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6035] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6036] close(17 <unfinished ...>
[pid  6035] close(17 <unfinished ...>
[pid  6036] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6035] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6036] close(18 <unfinished ...>
[pid  6035] close(18 <unfinished ...>
[pid  6036] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6035] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6036] close(19 <unfinished ...>
[pid  6035] close(19 <unfinished ...>
[pid  6036] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6035] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6036] close(20 <unfinished ...>
[pid  6035] close(20 <unfinished ...>
[pid  6036] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6035] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6036] close(21 <unfinished ...>
[pid  6035] close(21 <unfinished ...>
[pid  6036] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6035] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6036] close(22 <unfinished ...>
[pid  6035] close(22 <unfinished ...>
[pid  6036] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6035] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6036] close(23 <unfinished ...>
[pid  6035] close(23 <unfinished ...>
[pid  6039] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6038] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6037] <... bpf resumed>)          = 4
[pid  6036] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6035] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6037] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6036] close(24 <unfinished ...>
[pid  6035] close(24 <unfinished ...>
[pid  6039] <... symlink resumed>)      = 0
[pid  6036] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6035] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6036] close(25 <unfinished ...>
[pid  6035] close(25 <unfinished ...>
executing program
[pid  6039] write(1, "executing program\n", 18 <unfinished ...>
[pid  6038] <... bpf resumed>)          = 5
[pid  6037] <... bpf resumed>)          = 5
[pid  6036] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6039] <... write resumed>)        = 18
[pid  6038] close(3 <unfinished ...>
[pid  6037] close(3 <unfinished ...>
[pid  6035] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6039] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6038] <... close resumed>)        = 0
[pid  6037] <... close resumed>)        = 0
[pid  6036] close(26 <unfinished ...>
[pid  6035] close(26 <unfinished ...>
[pid  6039] <... bpf resumed>)          = 3
[pid  6038] close(4 <unfinished ...>
[pid  6037] close(4 <unfinished ...>
[pid  6036] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6035] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6039] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6038] <... close resumed>)        = 0
[pid  6037] <... close resumed>)        = 0
[pid  6036] close(27 <unfinished ...>
[pid  6035] close(27 <unfinished ...>
[pid  6038] close(5 <unfinished ...>
[pid  6037] close(5 <unfinished ...>
[pid  6036] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6035] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6039] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6036] close(28 <unfinished ...>
[pid  6035] close(28 <unfinished ...>
[pid  6039] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6038] <... close resumed>)        = 0
[pid  6037] <... close resumed>)        = 0
[pid  6036] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6035] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6038] close(6 <unfinished ...>
[pid  6039] <... bpf resumed>)          = 4
[pid  6038] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6037] close(6 <unfinished ...>
[pid  6036] close(29 <unfinished ...>
[pid  6035] close(29 <unfinished ...>
[pid  6039] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6038] close(7 <unfinished ...>
[pid  6037] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6036] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6035] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6038] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6038] close(8 <unfinished ...>
[pid  6037] close(7 <unfinished ...>
[pid  6036] exit_group(0 <unfinished ...>
[pid  6035] exit_group(0 <unfinished ...>
[pid  6039] <... bpf resumed>)          = 5
[pid  6038] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6037] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6038] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  6038] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  6038] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  6038] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  6038] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  6038] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  6038] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  6038] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  6038] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  6038] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  6038] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  6038] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  6038] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  6038] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  6038] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  6038] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  6038] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  6038] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  6038] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  6038] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  6038] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  6038] exit_group(0 <unfinished ...>
[pid  6037] close(8 <unfinished ...>
[pid  6035] <... exit_group resumed>)   = ?
[pid  6036] <... exit_group resumed>)   = ?
[pid  6039] close(3 <unfinished ...>
[pid  6038] <... exit_group resumed>)   = ?
[pid  6037] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6039] <... close resumed>)        = 0
[pid  6038] +++ exited with 0 +++
[pid  6037] close(9 <unfinished ...>
[pid  6039] close(4)                    = 0
[pid  6037] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  6039] close(5 <unfinished ...>
[pid  6037] close(10 <unfinished ...>
[pid  6036] +++ exited with 0 +++
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6039] <... close resumed>)        = 0
[pid  6037] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6039] close(6 <unfinished ...>
[pid  6037] close(11 <unfinished ...>
[pid  6039] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6037] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6039] close(7 <unfinished ...>
[pid  6037] close(12 <unfinished ...>
[pid  6039] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6037] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6039] close(8 <unfinished ...>
[pid  6037] close(13 <unfinished ...>
[pid  6039] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6037] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6039] close(9 <unfinished ...>
[pid  6037] close(14 <unfinished ...>
[pid  6039] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6037] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6039] close(10 <unfinished ...>
[pid  6037] close(15 <unfinished ...>
[pid  6039] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6035] +++ exited with 0 +++
[pid  6039] close(11 <unfinished ...>
[pid  6037] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6039] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6037] close(16 <unfinished ...>
[pid  6039] close(12 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6037] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6039] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6037] close(17 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6039] close(13 <unfinished ...>
[pid  6037] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6039] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6037] close(18 <unfinished ...>
[pid  6039] close(14 <unfinished ...>
[pid  6037] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6039] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6037] close(19 <unfinished ...>
[pid  6039] close(15 <unfinished ...>
[pid  6037] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6039] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6037] close(20 <unfinished ...>
[pid  6039] close(16 <unfinished ...>
[pid  6037] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6039] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6037] close(21 <unfinished ...>
[pid  6039] close(17 <unfinished ...>
[pid  6037] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6039] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6037] close(22 <unfinished ...>
[pid  6039] close(18 <unfinished ...>
[pid  6037] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... restart_syscall resumed>) = 0
[pid  6039] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6037] close(23 <unfinished ...>
[pid  6039] close(19 <unfinished ...>
[pid  6037] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6039] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6037] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  6039] close(20 <unfinished ...>
[pid  6037] close(25 <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5854] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6039] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6039] close(21 <unfinished ...>
[pid  6037] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6039] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6037] close(26 <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6039] close(22 <unfinished ...>
[pid  6037] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6039] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6037] close(27 <unfinished ...>
[pid  5853] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6039] close(23 <unfinished ...>
[pid  6037] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... openat resumed>)       = 3
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6039] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6037] close(28 <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6039] close(24 <unfinished ...>
[pid  6037] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... openat resumed>)       = 3
[pid  6039] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6037] close(29 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6037] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6039] close(25 <unfinished ...>
[pid  6037] exit_group(0 <unfinished ...>
[pid  5854] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6039] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6037] <... exit_group resumed>)   = ?
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6039] close(26 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6039] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... openat resumed>)       = 3
[pid  5854] newfstatat(AT_FDCWD, "./33/binderfs",  <unfinished ...>
[pid  6039] close(27 <unfinished ...>
[pid  6037] +++ exited with 0 +++
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] unlink("./33/binderfs" <unfinished ...>
[pid  6039] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6039] close(28 <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6039] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./34/binderfs",  <unfinished ...>
[pid  6039] close(29 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6039] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] unlink("./34/binderfs" <unfinished ...>
[pid  6039] exit_group(0 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] close(3 <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5857] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] rmdir("./33" <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./34/binderfs",  <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  6039] <... exit_group resumed>)   = ?
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] mkdir("./34", 0777 <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] unlink("./34/binderfs" <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] <... unlink resumed>)       = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] close(3./strace-static-x86_64: Process 6040 attached
 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  6040] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... close resumed>)        = 0
[pid  5857] close(3 <unfinished ...>
[pid  5853] rmdir("./34" <unfinished ...>
[pid  6040] <... set_robust_list resumed>) = 0
[pid  6039] +++ exited with 0 +++
[pid  5853] <... rmdir resumed>)        = 0
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6040] chdir("./34" <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5853] mkdir("./35", 0777 <unfinished ...>
[pid  5857] rmdir("./34")               = 0
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 36
[pid  5857] mkdir("./35", 0777)         = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  6040] <... chdir resumed>)        = 0
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6040] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6041 attached
 <unfinished ...>
[pid  6040] <... prctl resumed>)        = 0
[pid  6040] setpgid(0, 0 <unfinished ...>
[pid  6041] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6040] <... setpgid resumed>)      = 0
[pid  5855] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6041] <... set_robust_list resumed>) = 0
[pid  6040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5856] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 6042 attached
[pid  6041] chdir("./35" <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 37
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6042] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6041] <... chdir resumed>)        = 0
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 37
[pid  5855] <... openat resumed>)       = 3
[pid  6041] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  6041] <... prctl resumed>)        = 0
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  6041] setpgid(0, 0 <unfinished ...>
[pid  6040] <... openat resumed>)       = 3
[pid  6041] <... setpgid resumed>)      = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6042] <... set_robust_list resumed>) = 0
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  6040] write(3, "1000", 4 <unfinished ...>
[pid  6042] chdir("./35" <unfinished ...>
[pid  6041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6042] <... chdir resumed>)        = 0
[pid  6041] <... openat resumed>)       = 3
[pid  6040] <... write resumed>)        = 4
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6042] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6040] close(3 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6042] <... prctl resumed>)        = 0
[pid  6041] write(3, "1000", 4 <unfinished ...>
[pid  6040] <... close resumed>)        = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6042] setpgid(0, 0 <unfinished ...>
[pid  6041] <... write resumed>)        = 4
[pid  6040] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6042] <... setpgid resumed>)      = 0
[pid  6041] close(3 <unfinished ...>
[pid  6040] <... symlink resumed>)      = 0
[pid  5856] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./34/binderfs",  <unfinished ...>
[pid  6042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6041] <... close resumed>)        = 0
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
executing program
[pid  6041] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6040] write(1, "executing program\n", 18 <unfinished ...>
[pid  6042] <... openat resumed>)       = 3
[pid  6041] <... symlink resumed>)      = 0
[pid  6040] <... write resumed>)        = 18
[pid  5856] newfstatat(AT_FDCWD, "./34/binderfs",  <unfinished ...>
[pid  5855] unlink("./34/binderfs" <unfinished ...>
[pid  6040] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... unlink resumed>)       = 0
executing program
[pid  6042] write(3, "1000", 4 <unfinished ...>
[pid  6041] write(1, "executing program\n", 18 <unfinished ...>
[pid  6042] <... write resumed>)        = 4
[pid  6041] <... write resumed>)        = 18
[pid  6040] <... bpf resumed>)          = 3
[pid  5856] unlink("./34/binderfs" <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6042] close(3 <unfinished ...>
[pid  6041] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6040] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5856] <... unlink resumed>)       = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6040] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5855] close(3 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  6040] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] rmdir("./34" <unfinished ...>
[pid  6042] <... close resumed>)        = 0
[pid  6041] <... bpf resumed>)          = 3
[pid  5856] close(3 <unfinished ...>
[pid  6042] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
executing program
[pid  6041] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6040] <... bpf resumed>)          = 4
[pid  5856] <... close resumed>)        = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  6042] <... symlink resumed>)      = 0
[pid  6041] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6042] write(1, "executing program\n", 18 <unfinished ...>
[pid  6041] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6042] <... write resumed>)        = 18
[pid  6040] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5856] rmdir("./34" <unfinished ...>
[pid  5855] mkdir("./35", 0777 <unfinished ...>
[pid  6040] <... bpf resumed>)          = 5
[pid  5856] <... rmdir resumed>)        = 0
[pid  5855] <... mkdir resumed>)        = 0
[pid  5856] mkdir("./35", 0777)         = 0
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6042] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6041] <... bpf resumed>)          = 4
./strace-static-x86_64: Process 6043 attached
[pid  6042] <... bpf resumed>)          = 3
[pid  6040] close(3 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6043] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6042] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6041] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6040] <... close resumed>)        = 0
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 37
./strace-static-x86_64: Process 6044 attached
[pid  6043] <... set_robust_list resumed>) = 0
[pid  6042] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6040] close(4 <unfinished ...>
[pid  6044] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6043] chdir("./35" <unfinished ...>
[pid  6042] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6040] <... close resumed>)        = 0
[pid  6044] <... set_robust_list resumed>) = 0
[pid  6043] <... chdir resumed>)        = 0
[pid  6041] <... bpf resumed>)          = 5
[pid  6040] close(5 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 37
[pid  6044] chdir("./35" <unfinished ...>
[pid  6043] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6042] <... bpf resumed>)          = 4
[pid  6041] close(3 <unfinished ...>
[pid  6040] <... close resumed>)        = 0
[pid  6043] <... prctl resumed>)        = 0
[pid  6042] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6041] <... close resumed>)        = 0
[pid  6043] setpgid(0, 0 <unfinished ...>
[pid  6044] <... chdir resumed>)        = 0
[pid  6043] <... setpgid resumed>)      = 0
[pid  6041] close(4 <unfinished ...>
[pid  6040] close(6 <unfinished ...>
[pid  6044] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6040] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] <... prctl resumed>)        = 0
[pid  6043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6040] close(7 <unfinished ...>
[pid  6044] setpgid(0, 0 <unfinished ...>
[pid  6041] <... close resumed>)        = 0
[pid  6040] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] <... setpgid resumed>)      = 0
[pid  6040] close(8 <unfinished ...>
[pid  6044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6040] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6040] close(9 <unfinished ...>
[pid  6044] <... openat resumed>)       = 3
[pid  6040] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6042] <... bpf resumed>)          = 5
[pid  6040] close(10 <unfinished ...>
[pid  6042] close(3 <unfinished ...>
[pid  6041] close(5 <unfinished ...>
[pid  6040] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] write(3, "1000", 4 <unfinished ...>
[pid  6040] close(11 <unfinished ...>
[pid  6044] <... write resumed>)        = 4
[pid  6043] <... openat resumed>)       = 3
[pid  6042] <... close resumed>)        = 0
[pid  6040] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] close(3 <unfinished ...>
[pid  6042] close(4 <unfinished ...>
[pid  6043] write(3, "1000", 4 <unfinished ...>
[pid  6041] <... close resumed>)        = 0
[pid  6040] close(12 <unfinished ...>
[pid  6044] <... close resumed>)        = 0
[pid  6043] <... write resumed>)        = 4
[pid  6042] <... close resumed>)        = 0
[pid  6041] close(6 <unfinished ...>
[pid  6040] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6043] close(3 <unfinished ...>
[pid  6042] close(5executing program
 <unfinished ...>
[pid  6041] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6040] close(13 <unfinished ...>
[pid  6044] <... symlink resumed>)      = 0
[pid  6043] <... close resumed>)        = 0
[pid  6041] close(7 <unfinished ...>
[pid  6040] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6043] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6041] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] write(1, "executing program\n", 18 <unfinished ...>
[pid  6040] close(14 <unfinished ...>
[pid  6044] <... write resumed>)        = 18
[pid  6040] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6043] <... symlink resumed>)      = 0
[pid  6041] close(8 <unfinished ...>
[pid  6040] close(15 <unfinished ...>
[pid  6044] <... bpf resumed>)          = 3
[pid  6040] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6042] <... close resumed>)        = 0
[pid  6041] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6040] close(16 <unfinished ...>
[pid  6044] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6043] write(1, "executing program\n", 18 <unfinished ...>
[pid  6041] close(9 <unfinished ...>
[pid  6040] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6042] close(6executing program
 <unfinished ...>
[pid  6044] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6043] <... write resumed>)        = 18
[pid  6042] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6041] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6040] close(17 <unfinished ...>
[pid  6044] <... bpf resumed>)          = 4
[pid  6042] close(7 <unfinished ...>
[pid  6041] close(10 <unfinished ...>
[pid  6040] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6043] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6042] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6041] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6042] close(8 <unfinished ...>
[pid  6041] close(11 <unfinished ...>
[pid  6040] close(18 <unfinished ...>
[pid  6043] <... bpf resumed>)          = 3
[pid  6042] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6041] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6040] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6042] close(9 <unfinished ...>
[pid  6041] close(12 <unfinished ...>
[pid  6040] close(19 <unfinished ...>
[pid  6044] <... bpf resumed>)          = 5
[pid  6043] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6042] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6041] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6040] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] close(3 <unfinished ...>
[pid  6043] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6040] close(20 <unfinished ...>
[pid  6041] close(13 <unfinished ...>
[pid  6044] <... close resumed>)        = 0
[pid  6043] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6042] close(10 <unfinished ...>
[pid  6041] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6040] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6040] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  6040] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  6040] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  6040] close(24 <unfinished ...>
[pid  6044] close(4 <unfinished ...>
[pid  6043] <... bpf resumed>)          = 4
[pid  6042] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6041] close(14 <unfinished ...>
[pid  6040] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6042] close(11 <unfinished ...>
[pid  6041] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6042] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6041] close(15 <unfinished ...>
[pid  6042] close(12 <unfinished ...>
[pid  6041] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6042] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6041] close(16 <unfinished ...>
[pid  6042] close(13 <unfinished ...>
[pid  6041] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] <... close resumed>)        = 0
[pid  6043] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6042] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6041] close(17 <unfinished ...>
[pid  6040] close(25 <unfinished ...>
[pid  6044] close(5 <unfinished ...>
[pid  6043] <... bpf resumed>)          = 5
[pid  6042] close(14 <unfinished ...>
[pid  6041] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6040] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] <... close resumed>)        = 0
[pid  6043] close(3 <unfinished ...>
[pid  6042] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6041] close(18 <unfinished ...>
[pid  6040] close(26 <unfinished ...>
[pid  6043] <... close resumed>)        = 0
[pid  6042] close(15 <unfinished ...>
[pid  6041] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6040] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] close(6 <unfinished ...>
[pid  6043] close(4 <unfinished ...>
[pid  6042] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6040] close(27 <unfinished ...>
[pid  6041] close(19 <unfinished ...>
[pid  6044] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6043] <... close resumed>)        = 0
[pid  6042] close(16 <unfinished ...>
[pid  6041] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6040] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] close(7 <unfinished ...>
[pid  6043] close(5 <unfinished ...>
[pid  6040] close(28 <unfinished ...>
[pid  6044] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6043] <... close resumed>)        = 0
[pid  6042] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6041] close(20 <unfinished ...>
[pid  6040] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] close(8 <unfinished ...>
[pid  6042] close(17 <unfinished ...>
[pid  6041] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6042] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6041] close(21 <unfinished ...>
[pid  6044] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6042] close(18 <unfinished ...>
[pid  6041] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6040] close(29 <unfinished ...>
[pid  6044] close(9 <unfinished ...>
[pid  6043] close(6 <unfinished ...>
[pid  6042] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6041] close(22 <unfinished ...>
[pid  6040] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6043] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6042] close(19 <unfinished ...>
[pid  6041] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6040] exit_group(0 <unfinished ...>
[pid  6044] close(10 <unfinished ...>
[pid  6043] close(7 <unfinished ...>
[pid  6042] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6041] close(23 <unfinished ...>
[pid  6040] <... exit_group resumed>)   = ?
[pid  6044] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6043] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6042] close(20 <unfinished ...>
[pid  6041] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] close(11 <unfinished ...>
[pid  6043] close(8 <unfinished ...>
[pid  6042] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6041] close(24 <unfinished ...>
[pid  6044] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6042] close(21 <unfinished ...>
[pid  6041] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6040] +++ exited with 0 +++
[pid  6043] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] close(12 <unfinished ...>
[pid  6042] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6041] close(25 <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6042] close(22 <unfinished ...>
[pid  6041] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6042] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6041] close(26 <unfinished ...>
[pid  6042] close(23 <unfinished ...>
[pid  6041] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6042] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6043] close(9 <unfinished ...>
[pid  6044] close(13 <unfinished ...>
[pid  6043] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6042] close(24 <unfinished ...>
[pid  6041] close(27 <unfinished ...>
[pid  6044] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6043] close(10 <unfinished ...>
[pid  6042] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6041] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] close(14 <unfinished ...>
[pid  6043] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6043] close(11 <unfinished ...>
[pid  6042] close(25 <unfinished ...>
[pid  6041] close(28 <unfinished ...>
[pid  6044] close(15 <unfinished ...>
[pid  6043] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6042] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6041] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6043] close(12 <unfinished ...>
[pid  6044] close(16 <unfinished ...>
[pid  6043] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6041] close(29 <unfinished ...>
[pid  6042] close(26 <unfinished ...>
[pid  6044] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6043] close(13 <unfinished ...>
[pid  6042] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6041] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] close(17 <unfinished ...>
[pid  6043] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6042] close(27 <unfinished ...>
[pid  6044] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6043] close(14 <unfinished ...>
[pid  6044] close(18 <unfinished ...>
[pid  6043] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6042] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6041] exit_group(0 <unfinished ...>
[pid  6044] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6043] close(15 <unfinished ...>
[pid  6042] close(28 <unfinished ...>
[pid  6041] <... exit_group resumed>)   = ?
[pid  6044] close(19 <unfinished ...>
[pid  6043] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6042] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6043] close(16 <unfinished ...>
[pid  6044] close(20 <unfinished ...>
[pid  6043] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6043] close(17 <unfinished ...>
[pid  6044] close(21 <unfinished ...>
[pid  6043] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6043] close(18 <unfinished ...>
[pid  6044] close(22 <unfinished ...>
[pid  6043] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6043] close(19 <unfinished ...>
[pid  6044] close(23 <unfinished ...>
[pid  6043] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6043] close(20 <unfinished ...>
[pid  6044] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  6043] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] close(25 <unfinished ...>
[pid  6043] close(21 <unfinished ...>
[pid  6044] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6041] +++ exited with 0 +++
[pid  6043] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6042] close(29 <unfinished ...>
[pid  6044] close(26 <unfinished ...>
[pid  6043] close(22 <unfinished ...>
[pid  6042] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  6044] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6043] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6044] close(27 <unfinished ...>
[pid  6043] close(23 <unfinished ...>
[pid  6042] exit_group(0 <unfinished ...>
[pid  6044] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6043] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] close(28 <unfinished ...>
[pid  6043] close(24 <unfinished ...>
[pid  6044] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6043] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] close(29 <unfinished ...>
[pid  6043] close(25 <unfinished ...>
[pid  6044] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6043] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6044] exit_group(0 <unfinished ...>
[pid  6043] close(26 <unfinished ...>
[pid  6042] <... exit_group resumed>)   = ?
[pid  5854] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... restart_syscall resumed>) = 0
[pid  6044] <... exit_group resumed>)   = ?
[pid  6043] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6042] +++ exited with 0 +++
[pid  6044] +++ exited with 0 +++
[pid  6043] close(27 <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] <... openat resumed>)       = 3
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6043] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... openat resumed>)       = 3
[pid  6043] close(28 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  6043] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... restart_syscall resumed>) = 0
[pid  6043] close(29 <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6043] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6043] exit_group(0 <unfinished ...>
[pid  5857] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6043] <... exit_group resumed>)   = ?
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./34/binderfs",  <unfinished ...>
[pid  5853] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] newfstatat(AT_FDCWD, "./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] unlink("./34/binderfs" <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./35/binderfs",  <unfinished ...>
[pid  6043] +++ exited with 0 +++
[pid  5857] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] <... openat resumed>)       = 3
[pid  5856] unlink("./35/binderfs" <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] unlink("./35/binderfs" <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... close resumed>)        = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] close(3 <unfinished ...>
[pid  5854] rmdir("./34" <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] <... close resumed>)        = 0
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] close(3 <unfinished ...>
[pid  5857] unlink("./35/binderfs" <unfinished ...>
[pid  5856] rmdir("./35" <unfinished ...>
[pid  5854] mkdir("./35", 0777 <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] <... rmdir resumed>)        = 0
[pid  5853] <... close resumed>)        = 0
[pid  5857] getdents64(3, 0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  5856] mkdir("./36", 0777 <unfinished ...>
[pid  5853] rmdir("./35" <unfinished ...>
[pid  5857] close(3)                    = 0
[pid  5857] rmdir("./35" <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
./strace-static-x86_64: Process 6046 attached
./strace-static-x86_64: Process 6045 attached
[pid  5853] mkdir("./36", 0777 <unfinished ...>
[pid  5855] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6046] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6045] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] mkdir("./36", 0777 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 38
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 37
[pid  5853] <... mkdir resumed>)        = 0
[pid  5857] <... mkdir resumed>)        = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6046] <... set_robust_list resumed>) = 0
[pid  6045] <... set_robust_list resumed>) = 0
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
./strace-static-x86_64: Process 6048 attached
./strace-static-x86_64: Process 6047 attached
[pid  6046] chdir("./36" <unfinished ...>
[pid  6045] chdir("./35" <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  6048] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6047] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 38
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 38
[pid  6048] <... set_robust_list resumed>) = 0
[pid  6047] <... set_robust_list resumed>) = 0
[pid  6046] <... chdir resumed>)        = 0
[pid  6045] <... chdir resumed>)        = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6048] chdir("./36" <unfinished ...>
[pid  6047] chdir("./36" <unfinished ...>
[pid  6046] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6045] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6046] <... prctl resumed>)        = 0
[pid  6045] <... prctl resumed>)        = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6046] setpgid(0, 0 <unfinished ...>
[pid  6045] setpgid(0, 0 <unfinished ...>
[pid  5855] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6046] <... setpgid resumed>)      = 0
[pid  6045] <... setpgid resumed>)      = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6048] <... chdir resumed>)        = 0
[pid  6047] <... chdir resumed>)        = 0
[pid  6048] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./35/binderfs",  <unfinished ...>
[pid  6048] <... prctl resumed>)        = 0
[pid  6047] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6048] setpgid(0, 0 <unfinished ...>
[pid  6047] <... prctl resumed>)        = 0
[pid  6046] <... openat resumed>)       = 3
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6048] <... setpgid resumed>)      = 0
[pid  6047] setpgid(0, 0 <unfinished ...>
[pid  6048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6047] <... setpgid resumed>)      = 0
[pid  6046] write(3, "1000", 4 <unfinished ...>
[pid  6045] <... openat resumed>)       = 3
[pid  5855] unlink("./35/binderfs" <unfinished ...>
[pid  6047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6046] <... write resumed>)        = 4
[pid  5855] <... unlink resumed>)       = 0
[pid  6048] <... openat resumed>)       = 3
[pid  6046] close(3 <unfinished ...>
[pid  6045] write(3, "1000", 4 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6047] <... openat resumed>)       = 3
[pid  6046] <... close resumed>)        = 0
[pid  6045] <... write resumed>)        = 4
[pid  6046] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6045] close(3 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6046] <... symlink resumed>)      = 0
[pid  6045] <... close resumed>)        = 0
[pid  5855] close(3)                    = 0
[pid  6045] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5855] rmdir("./35" <unfinished ...>
[pid  6048] write(3, "1000", 4 <unfinished ...>
executing program
[pid  6047] write(3, "1000", 4 <unfinished ...>
[pid  6046] write(1, "executing program\n", 18 <unfinished ...>
[pid  6045] <... symlink resumed>)      = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  6048] <... write resumed>)        = 4
[pid  6047] <... write resumed>)        = 4
[pid  6046] <... write resumed>)        = 18
[pid  6048] close(3 <unfinished ...>
[pid  6047] close(3 <unfinished ...>
[pid  6048] <... close resumed>)        = 0
[pid  6047] <... close resumed>)        = 0
[pid  6046] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6045] write(1, "executing program\n", 18 <unfinished ...>
[pid  5855] mkdir("./36", 0777executing program
 <unfinished ...>
[pid  6048] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6047] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6048] <... symlink resumed>)      = 0
[pid  6047] <... symlink resumed>)      = 0
[pid  6046] <... bpf resumed>)          = 3
[pid  6045] <... write resumed>)        = 18
executing program
[pid  5855] <... mkdir resumed>)        = 0
[pid  6048] write(1, "executing program\n", 18 <unfinished ...>
[pid  6047] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6046] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6045] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6048] <... write resumed>)        = 18
[pid  6047] <... write resumed>)        = 18
[pid  6046] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6045] <... bpf resumed>)          = 3
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6048] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6047] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6048] <... bpf resumed>)          = 3
[pid  6047] <... bpf resumed>)          = 3
[pid  6045] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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 6049 attached
 <unfinished ...>
[pid  6048] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6047] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6046] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6045] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6049] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6048] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6047] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6049] <... set_robust_list resumed>) = 0
[pid  6048] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6047] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6045] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6049] chdir("./36" <unfinished ...>
[pid  6048] <... bpf resumed>)          = 4
[pid  6047] <... bpf resumed>)          = 4
[pid  6046] <... bpf resumed>)          = 4
[pid  6045] <... bpf resumed>)          = 4
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 38
[pid  6049] <... chdir resumed>)        = 0
[pid  6049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6049] setpgid(0, 0 <unfinished ...>
[pid  6048] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6049] <... setpgid resumed>)      = 0
[pid  6048] <... bpf resumed>)          = 5
[pid  6047] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6046] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6045] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6047] <... bpf resumed>)          = 5
[pid  6046] <... bpf resumed>)          = 5
[pid  6045] <... bpf resumed>)          = 5
[pid  6049] <... openat resumed>)       = 3
[pid  6046] close(3 <unfinished ...>
[pid  6045] close(3 <unfinished ...>
[pid  6049] write(3, "1000", 4 <unfinished ...>
[pid  6048] close(3 <unfinished ...>
[pid  6047] close(3 <unfinished ...>
[pid  6045] <... close resumed>)        = 0
[pid  6049] <... write resumed>)        = 4
[pid  6048] <... close resumed>)        = 0
[pid  6047] <... close resumed>)        = 0
[pid  6046] <... close resumed>)        = 0
[pid  6045] close(4 <unfinished ...>
[pid  6049] close(3 <unfinished ...>
[pid  6048] close(4 <unfinished ...>
[pid  6047] close(4 <unfinished ...>
[pid  6046] close(4 <unfinished ...>
[pid  6045] <... close resumed>)        = 0
[pid  6046] <... close resumed>)        = 0
[pid  6049] <... close resumed>)        = 0
[pid  6048] <... close resumed>)        = 0
[pid  6047] <... close resumed>)        = 0
[pid  6046] close(5 <unfinished ...>
[pid  6045] close(5 <unfinished ...>
[pid  6049] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6048] close(5 <unfinished ...>
[pid  6047] close(5 <unfinished ...>
[pid  6045] <... close resumed>)        = 0
[pid  6049] <... symlink resumed>)      = 0
[pid  6048] <... close resumed>)        = 0
[pid  6047] <... close resumed>)        = 0
[pid  6046] <... close resumed>)        = 0
[pid  6045] close(6 <unfinished ...>
[pid  6046] close(6 <unfinished ...>
[pid  6049] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6046] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6049] <... write resumed>)        = 18
[pid  6046] close(7 <unfinished ...>
[pid  6045] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6049] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6048] close(6 <unfinished ...>
[pid  6047] close(6 <unfinished ...>
[pid  6046] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6045] close(7 <unfinished ...>
[pid  6049] <... bpf resumed>)          = 3
[pid  6048] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6047] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6045] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6049] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6048] close(7 <unfinished ...>
[pid  6047] close(7 <unfinished ...>
[pid  6046] close(8 <unfinished ...>
[pid  6045] close(8 <unfinished ...>
[pid  6049] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6048] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6047] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6046] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6045] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6049] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6048] close(8 <unfinished ...>
[pid  6047] close(8 <unfinished ...>
[pid  6046] close(9 <unfinished ...>
[pid  6045] close(9 <unfinished ...>
[pid  6049] <... bpf resumed>)          = 4
[pid  6048] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6047] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6046] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6045] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6046] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  6046] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  6046] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  6049] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6048] close(9 <unfinished ...>
[pid  6047] close(9 <unfinished ...>
[pid  6045] close(10 <unfinished ...>
[pid  6049] <... bpf resumed>)          = 5
[pid  6048] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6047] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6046] close(13 <unfinished ...>
[pid  6045] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6049] close(3 <unfinished ...>
[pid  6048] close(10 <unfinished ...>
[pid  6047] close(10 <unfinished ...>
[pid  6046] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6045] close(11 <unfinished ...>
[pid  6049] <... close resumed>)        = 0
[pid  6048] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6047] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6046] close(14 <unfinished ...>
[pid  6045] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6049] close(4 <unfinished ...>
[pid  6048] close(11 <unfinished ...>
[pid  6047] close(11 <unfinished ...>
[pid  6046] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6045] close(12 <unfinished ...>
[pid  6049] <... close resumed>)        = 0
[pid  6048] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6047] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6046] close(15 <unfinished ...>
[pid  6045] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6049] close(5 <unfinished ...>
[pid  6048] close(12 <unfinished ...>
[pid  6047] close(12 <unfinished ...>
[pid  6046] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6045] close(13 <unfinished ...>
[pid  6049] <... close resumed>)        = 0
[pid  6048] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6047] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6046] close(16 <unfinished ...>
[pid  6045] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6048] close(13 <unfinished ...>
[pid  6047] close(13 <unfinished ...>
[pid  6048] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6047] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6045] close(14 <unfinished ...>
[pid  6048] close(14 <unfinished ...>
[pid  6047] close(14 <unfinished ...>
[pid  6045] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6049] close(6 <unfinished ...>
[pid  6048] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6047] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6045] close(15 <unfinished ...>
[pid  6049] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6048] close(15 <unfinished ...>
[pid  6047] close(15 <unfinished ...>
[pid  6045] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6049] close(7 <unfinished ...>
[pid  6048] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6047] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6045] close(16 <unfinished ...>
[pid  6049] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6048] close(16 <unfinished ...>
[pid  6047] close(16 <unfinished ...>
[pid  6045] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6049] close(8 <unfinished ...>
[pid  6048] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6047] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6045] close(17 <unfinished ...>
[pid  6049] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6048] close(17 <unfinished ...>
[pid  6047] close(17 <unfinished ...>
[pid  6045] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6046] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6049] close(9 <unfinished ...>
[pid  6048] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6047] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6046] close(17 <unfinished ...>
[pid  6045] close(18 <unfinished ...>
[pid  6049] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6048] close(18 <unfinished ...>
[pid  6047] close(18 <unfinished ...>
[pid  6046] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6045] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6049] close(10 <unfinished ...>
[pid  6048] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6047] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6046] close(18 <unfinished ...>
[pid  6045] close(19 <unfinished ...>
[pid  6049] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6048] close(19 <unfinished ...>
[pid  6047] close(19 <unfinished ...>
[pid  6046] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6045] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6049] close(11 <unfinished ...>
[pid  6048] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6047] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6046] close(19 <unfinished ...>
[pid  6045] close(20 <unfinished ...>
[pid  6049] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6048] close(20 <unfinished ...>
[pid  6047] close(20 <unfinished ...>
[pid  6046] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6045] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6049] close(12 <unfinished ...>
[pid  6048] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6047] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6046] close(20 <unfinished ...>
[pid  6045] close(21 <unfinished ...>
[pid  6049] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6048] close(21 <unfinished ...>
[pid  6047] close(21 <unfinished ...>
[pid  6046] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6049] close(13 <unfinished ...>
[pid  6048] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6047] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6045] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6049] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6048] close(22 <unfinished ...>
[pid  6047] close(22 <unfinished ...>
[pid  6046] close(21 <unfinished ...>
[pid  6045] close(22 <unfinished ...>
[pid  6049] close(14 <unfinished ...>
[pid  6048] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6047] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6046] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6045] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6049] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6048] close(23 <unfinished ...>
[pid  6047] close(23 <unfinished ...>
[pid  6046] close(22 <unfinished ...>
[pid  6045] close(23 <unfinished ...>
[pid  6046] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6046] close(23 <unfinished ...>
[pid  6049] close(15 <unfinished ...>
[pid  6048] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6047] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6046] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6045] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6049] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6048] close(24 <unfinished ...>
[pid  6047] close(24 <unfinished ...>
[pid  6046] close(24 <unfinished ...>
[pid  6045] close(24 <unfinished ...>
[pid  6049] close(16 <unfinished ...>
[pid  6048] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6047] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6046] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6045] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6049] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6048] close(25 <unfinished ...>
[pid  6047] close(25 <unfinished ...>
[pid  6046] close(25 <unfinished ...>
[pid  6045] close(25 <unfinished ...>
[pid  6049] close(17 <unfinished ...>
[pid  6048] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6047] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6046] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6045] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6049] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6048] close(26 <unfinished ...>
[pid  6047] close(26 <unfinished ...>
[pid  6046] close(26 <unfinished ...>
[pid  6045] close(26 <unfinished ...>
[pid  6049] close(18 <unfinished ...>
[pid  6048] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6047] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6046] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6045] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6049] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6048] close(27 <unfinished ...>
[pid  6047] close(27 <unfinished ...>
[pid  6046] close(27 <unfinished ...>
[pid  6045] close(27 <unfinished ...>
[pid  6049] close(19 <unfinished ...>
[pid  6048] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6047] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6046] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6045] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6049] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6048] close(28 <unfinished ...>
[pid  6047] close(28 <unfinished ...>
[pid  6046] close(28 <unfinished ...>
[pid  6045] close(28 <unfinished ...>
[pid  6049] close(20 <unfinished ...>
[pid  6048] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6047] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6046] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6045] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6049] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6048] close(29 <unfinished ...>
[pid  6047] close(29 <unfinished ...>
[pid  6046] close(29 <unfinished ...>
[pid  6045] close(29 <unfinished ...>
[pid  6049] close(21 <unfinished ...>
[pid  6048] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6047] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6046] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6045] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6049] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6048] exit_group(0 <unfinished ...>
[pid  6047] exit_group(0 <unfinished ...>
[pid  6046] exit_group(0 <unfinished ...>
[pid  6045] exit_group(0 <unfinished ...>
[pid  6049] close(22 <unfinished ...>
[pid  6046] <... exit_group resumed>)   = ?
[pid  6048] <... exit_group resumed>)   = ?
[pid  6045] <... exit_group resumed>)   = ?
[pid  6049] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6048] +++ exited with 0 +++
[pid  6047] <... exit_group resumed>)   = ?
[pid  6046] +++ exited with 0 +++
[pid  6045] +++ exited with 0 +++
[pid  6049] close(23 <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6049] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6047] +++ exited with 0 +++
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6049] close(24 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6049] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6049] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  6049] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5853] <... restart_syscall resumed>) = 0
[pid  6049] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  6049] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  5856] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6049] close(29 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... openat resumed>)       = 3
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6049] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... openat resumed>)       = 3
[pid  5856] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6049] exit_group(0 <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  6049] <... exit_group resumed>)   = ?
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6049] +++ exited with 0 +++
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] newfstatat(AT_FDCWD, "./36/binderfs",  <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./36/binderfs",  <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./36/binderfs",  <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] unlink("./36/binderfs" <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./35/binderfs",  <unfinished ...>
[pid  5857] unlink("./36/binderfs" <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] unlink("./36/binderfs" <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] unlink("./35/binderfs" <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... close resumed>)        = 0
[pid  5853] close(3)                    = 0
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] rmdir("./36" <unfinished ...>
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5856] <... rmdir resumed>)        = 0
[pid  5853] rmdir("./36" <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] mkdir("./37", 0777 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... mkdir resumed>)        = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] close(3 <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5854] <... close resumed>)        = 0
[pid  5857] rmdir("./36" <unfinished ...>
[pid  5854] rmdir("./35" <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] mkdir("./37", 0777 <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5855] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  5857] mkdir("./37", 0777 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] mkdir("./36", 0777./strace-static-x86_64: Process 6050 attached
 <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6050] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5855] <... openat resumed>)       = 3
[pid  5854] <... mkdir resumed>)        = 0
./strace-static-x86_64: Process 6051 attached
[pid  6050] <... set_robust_list resumed>) = 0
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 39
[pid  6050] chdir("./37" <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 39
[pid  6051] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6050] <... chdir resumed>)        = 0
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6051] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 6052 attached
[pid  6050] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6052] set_robust_list(0x555562c7b660, 24./strace-static-x86_64: Process 6053 attached
) = 0
[pid  6050] <... prctl resumed>)        = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6053] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6051] chdir("./37" <unfinished ...>
[pid  6053] <... set_robust_list resumed>) = 0
[pid  6050] setpgid(0, 0 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 38
[pid  6051] <... chdir resumed>)        = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6050] <... setpgid resumed>)      = 0
[pid  6051] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 39
[pid  5855] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6051] <... prctl resumed>)        = 0
[pid  6052] chdir("./36" <unfinished ...>
[pid  6051] setpgid(0, 0 <unfinished ...>
[pid  6050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6053] chdir("./37" <unfinished ...>
[pid  6052] <... chdir resumed>)        = 0
[pid  6051] <... setpgid resumed>)      = 0
[pid  5855] newfstatat(AT_FDCWD, "./36/binderfs",  <unfinished ...>
[pid  6052] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6052] setpgid(0, 0 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6052] <... setpgid resumed>)      = 0
[pid  6052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6050] <... openat resumed>)       = 3
[pid  6053] <... chdir resumed>)        = 0
[pid  6052] <... openat resumed>)       = 3
[pid  5855] unlink("./36/binderfs" <unfinished ...>
[pid  6053] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6051] <... openat resumed>)       = 3
[pid  6050] write(3, "1000", 4 <unfinished ...>
[pid  6053] <... prctl resumed>)        = 0
[pid  6052] write(3, "1000", 4 <unfinished ...>
[pid  6051] write(3, "1000", 4 <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  6053] setpgid(0, 0 <unfinished ...>
[pid  6051] <... write resumed>)        = 4
[pid  6050] <... write resumed>)        = 4
[pid  6053] <... setpgid resumed>)      = 0
[pid  6051] close(3 <unfinished ...>
[pid  6050] close(3 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6052] <... write resumed>)        = 4
[pid  6052] close(3 <unfinished ...>
[pid  6053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6052] <... close resumed>)        = 0
[pid  6051] <... close resumed>)        = 0
[pid  6050] <... close resumed>)        = 0
[pid  6052] symlink("/dev/binderfs", "./binderfs"executing program
 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6053] <... openat resumed>)       = 3
[pid  6052] <... symlink resumed>)      = 0
[pid  6051] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6050] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  6052] write(1, "executing program\n", 18) = 18
[pid  6050] <... symlink resumed>)      = 0
[pid  5855] <... close resumed>)        = 0
[pid  6053] write(3, "1000", 4 <unfinished ...>
executing program
[pid  6052] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6051] <... symlink resumed>)      = 0
[pid  6050] write(1, "executing program\n", 18 <unfinished ...>
[pid  5855] rmdir("./36" <unfinished ...>
[pid  6053] <... write resumed>)        = 4
[pid  6052] <... bpf resumed>)          = 3
[pid  6052] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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, ...}, 144executing program
 <unfinished ...>
[pid  6053] close(3 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  6051] write(1, "executing program\n", 18 <unfinished ...>
[pid  6050] <... write resumed>)        = 18
[pid  6053] <... close resumed>)        = 0
[pid  6052] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6051] <... write resumed>)        = 18
[pid  6053] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6052] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6050] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5855] mkdir("./37", 0777 <unfinished ...>
[pid  6053] <... symlink resumed>)      = 0
[pid  6052] <... bpf resumed>)          = 4
[pid  6051] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  6051] <... bpf resumed>)          = 3
[pid  6050] <... bpf resumed>)          = 3
executing program
[pid  6052] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6053] write(1, "executing program\n", 18 <unfinished ...>
[pid  6051] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6050] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6053] <... write resumed>)        = 18
[pid  6051] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6050] <... bpf resumed>)          = -1 EFAULT (Bad address)
./strace-static-x86_64: Process 6054 attached
[pid  6053] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6052] <... bpf resumed>)          = 5
[pid  6051] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6050] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6054] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6053] <... bpf resumed>)          = 3
[pid  6052] close(3 <unfinished ...>
[pid  6054] <... set_robust_list resumed>) = 0
[pid  6053] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6052] <... close resumed>)        = 0
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 39
[pid  6054] chdir("./37" <unfinished ...>
[pid  6052] close(4 <unfinished ...>
[pid  6051] <... bpf resumed>)          = 4
[pid  6050] <... bpf resumed>)          = 4
[pid  6053] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6050] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6052] <... close resumed>)        = 0
[pid  6054] <... chdir resumed>)        = 0
[pid  6053] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6052] close(5 <unfinished ...>
[pid  6051] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6054] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6050] <... bpf resumed>)          = 5
[pid  6050] close(3 <unfinished ...>
[pid  6054] <... prctl resumed>)        = 0
[pid  6053] <... bpf resumed>)          = 4
[pid  6052] <... close resumed>)        = 0
[pid  6051] <... bpf resumed>)          = 5
[pid  6050] <... close resumed>)        = 0
[pid  6054] setpgid(0, 0 <unfinished ...>
[pid  6053] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6051] close(3 <unfinished ...>
[pid  6054] <... setpgid resumed>)      = 0
[pid  6053] <... bpf resumed>)          = 5
[pid  6052] close(6 <unfinished ...>
[pid  6051] <... close resumed>)        = 0
[pid  6050] close(4 <unfinished ...>
[pid  6054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6053] close(3 <unfinished ...>
[pid  6052] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6051] close(4 <unfinished ...>
[pid  6050] <... close resumed>)        = 0
[pid  6054] <... openat resumed>)       = 3
[pid  6053] <... close resumed>)        = 0
[pid  6052] close(7 <unfinished ...>
[pid  6051] <... close resumed>)        = 0
[pid  6050] close(5 <unfinished ...>
[pid  6053] close(4 <unfinished ...>
[pid  6052] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6051] close(5 <unfinished ...>
[pid  6050] <... close resumed>)        = 0
[pid  6053] <... close resumed>)        = 0
[pid  6054] write(3, "1000", 4 <unfinished ...>
[pid  6053] close(5 <unfinished ...>
[pid  6052] close(8 <unfinished ...>
[pid  6051] <... close resumed>)        = 0
[pid  6050] close(6 <unfinished ...>
[pid  6054] <... write resumed>)        = 4
[pid  6053] <... close resumed>)        = 0
[pid  6052] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6050] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6054] close(3 <unfinished ...>
[pid  6053] close(6 <unfinished ...>
[pid  6052] close(9 <unfinished ...>
[pid  6051] close(6 <unfinished ...>
[pid  6050] close(7 <unfinished ...>
[pid  6054] <... close resumed>)        = 0
[pid  6053] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6052] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6051] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6050] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6054] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6053] close(7 <unfinished ...>
[pid  6052] close(10 <unfinished ...>
[pid  6051] close(7 <unfinished ...>
[pid  6050] close(8 <unfinished ...>
[pid  6053] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6052] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6053] close(8 <unfinished ...>
[pid  6052] close(11 <unfinished ...>
[pid  6054] <... symlink resumed>)      = 0
[pid  6053] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6052] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  6051] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6054] write(1, "executing program\n", 18 <unfinished ...>
[pid  6053] close(9 <unfinished ...>
[pid  6052] close(12 <unfinished ...>
[pid  6051] close(8 <unfinished ...>
[pid  6050] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6054] <... write resumed>)        = 18
[pid  6051] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6050] close(9 <unfinished ...>
[pid  6051] close(9 <unfinished ...>
[pid  6050] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6051] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6050] close(10 <unfinished ...>
[pid  6053] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6052] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6050] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6054] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6053] close(10 <unfinished ...>
[pid  6052] close(13 <unfinished ...>
[pid  6051] close(10 <unfinished ...>
[pid  6053] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6052] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6051] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6050] close(11 <unfinished ...>
[pid  6054] <... bpf resumed>)          = 3
[pid  6053] close(11 <unfinished ...>
[pid  6052] close(14 <unfinished ...>
[pid  6051] close(11 <unfinished ...>
[pid  6050] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6053] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6052] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6053] close(12 <unfinished ...>
[pid  6052] close(15 <unfinished ...>
[pid  6053] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6052] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6053] close(13 <unfinished ...>
[pid  6052] close(16 <unfinished ...>
[pid  6053] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6052] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6053] close(14 <unfinished ...>
[pid  6052] close(17 <unfinished ...>
[pid  6053] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6052] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6053] close(15 <unfinished ...>
[pid  6052] close(18 <unfinished ...>
[pid  6053] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6052] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6053] close(16 <unfinished ...>
[pid  6052] close(19 <unfinished ...>
[pid  6053] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6052] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6053] close(17 <unfinished ...>
[pid  6052] close(20 <unfinished ...>
[pid  6054] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6053] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6052] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6051] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6050] close(12 <unfinished ...>
[pid  6053] close(18 <unfinished ...>
[pid  6052] close(21 <unfinished ...>
[pid  6051] close(12 <unfinished ...>
[pid  6054] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6051] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6050] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6054] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6051] close(13 <unfinished ...>
[pid  6050] close(13 <unfinished ...>
[pid  6053] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6052] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6051] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6050] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6053] close(19 <unfinished ...>
[pid  6052] close(22 <unfinished ...>
[pid  6051] close(14 <unfinished ...>
[pid  6050] close(14 <unfinished ...>
[pid  6053] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6052] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6051] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6050] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6053] close(20 <unfinished ...>
[pid  6052] close(23 <unfinished ...>
[pid  6051] close(15 <unfinished ...>
[pid  6050] close(15 <unfinished ...>
[pid  6053] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6052] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6051] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6050] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6053] close(21 <unfinished ...>
[pid  6052] close(24 <unfinished ...>
[pid  6051] close(16 <unfinished ...>
[pid  6050] close(16 <unfinished ...>
[pid  6053] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6052] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6051] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6050] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6053] close(22 <unfinished ...>
[pid  6052] close(25 <unfinished ...>
[pid  6051] close(17 <unfinished ...>
[pid  6050] close(17 <unfinished ...>
[pid  6054] <... bpf resumed>)          = 4
[pid  6053] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6052] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6051] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6050] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6054] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6053] close(23 <unfinished ...>
[pid  6052] close(26 <unfinished ...>
[pid  6051] close(18 <unfinished ...>
[pid  6050] close(18 <unfinished ...>
[pid  6053] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6052] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6051] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6050] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6053] close(24 <unfinished ...>
[pid  6052] close(27 <unfinished ...>
[pid  6051] close(19 <unfinished ...>
[pid  6050] close(19 <unfinished ...>
[pid  6053] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6052] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6051] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6050] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6053] close(25 <unfinished ...>
[pid  6052] close(28 <unfinished ...>
[pid  6051] close(20 <unfinished ...>
[pid  6050] close(20 <unfinished ...>
[pid  6053] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6052] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6051] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6050] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6054] <... bpf resumed>)          = 5
[pid  6053] close(26 <unfinished ...>
[pid  6052] close(29 <unfinished ...>
[pid  6051] close(21 <unfinished ...>
[pid  6050] close(21 <unfinished ...>
[pid  6054] close(3 <unfinished ...>
[pid  6053] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6052] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6051] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6050] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6054] <... close resumed>)        = 0
[pid  6053] close(27 <unfinished ...>
[pid  6052] exit_group(0 <unfinished ...>
[pid  6051] close(22 <unfinished ...>
[pid  6050] close(22 <unfinished ...>
[pid  6054] close(4 <unfinished ...>
[pid  6053] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6052] <... exit_group resumed>)   = ?
[pid  6051] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6050] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6054] <... close resumed>)        = 0
[pid  6052] +++ exited with 0 +++
[pid  6050] close(23 <unfinished ...>
[pid  6051] close(23 <unfinished ...>
[pid  6054] close(5 <unfinished ...>
[pid  6051] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6050] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6051] close(24 <unfinished ...>
[pid  6050] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  6050] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  6050] close(26 <unfinished ...>
[pid  6053] close(28 <unfinished ...>
[pid  6050] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6053] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6050] close(27 <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6054] <... close resumed>)        = 0
[pid  6053] close(29 <unfinished ...>
[pid  6051] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6050] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6054] close(6 <unfinished ...>
[pid  6053] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6051] close(25 <unfinished ...>
[pid  6050] close(28 <unfinished ...>
[pid  6054] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6053] exit_group(0 <unfinished ...>
[pid  6051] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6050] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6054] close(7 <unfinished ...>
[pid  6053] <... exit_group resumed>)   = ?
[pid  6050] close(29 <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6054] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6053] +++ exited with 0 +++
[pid  6051] close(26 <unfinished ...>
[pid  6050] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6054] close(8 <unfinished ...>
[pid  6051] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... openat resumed>)       = 3
[pid  6054] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6051] close(27 <unfinished ...>
[pid  6050] exit_group(0 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  6054] close(9 <unfinished ...>
[pid  6051] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6054] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6051] close(28 <unfinished ...>
[pid  6050] <... exit_group resumed>)   = ?
[pid  6054] close(10 <unfinished ...>
[pid  5854] getdents64(3, 0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5854] newfstatat(AT_FDCWD, "./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6050] +++ exited with 0 +++
[pid  6054] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6051] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] unlink("./36/binderfs" <unfinished ...>
[pid  6054] close(11 <unfinished ...>
[pid  6051] close(29 <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6054] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6051] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... unlink resumed>)       = 0
[pid  6054] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  6051] exit_group(0 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6054] close(13 <unfinished ...>
[pid  6051] <... exit_group resumed>)   = ?
[pid  6054] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6054] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  6051] +++ exited with 0 +++
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5854] close(3 <unfinished ...>
[pid  6054] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  5854] <... close resumed>)        = 0
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6054] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  5856] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] rmdir("./36" <unfinished ...>
[pid  6054] close(17 <unfinished ...>
[pid  5857] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6054] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6054] close(18 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] mkdir("./37", 0777 <unfinished ...>
[pid  6054] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6054] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6054] close(20 <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6054] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6054] close(21 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6054] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6054] close(22 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6054] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6054] close(23 <unfinished ...>
[pid  5857] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6054] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./37/binderfs",  <unfinished ...>
[pid  6054] close(24 <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./37/binderfs",  <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6054] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6054] close(25 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6054] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] unlink("./37/binderfs" <unfinished ...>
[pid  5856] unlink("./37/binderfs" <unfinished ...>
[pid  6054] close(26 <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 6055 attached
[pid  6054] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  5853] newfstatat(AT_FDCWD, "./37/binderfs",  <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 39
[pid  6054] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  6055] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6054] close(28 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6055] <... set_robust_list resumed>) = 0
[pid  6054] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] unlink("./37/binderfs" <unfinished ...>
[pid  6055] chdir("./37" <unfinished ...>
[pid  6054] close(29 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  6054] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6055] <... chdir resumed>)        = 0
[pid  5857] <... close resumed>)        = 0
[pid  5856] <... close resumed>)        = 0
[pid  6055] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6054] exit_group(0 <unfinished ...>
[pid  5857] rmdir("./37" <unfinished ...>
[pid  5856] rmdir("./37" <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6055] <... prctl resumed>)        = 0
[pid  6055] setpgid(0, 0 <unfinished ...>
[pid  6054] <... exit_group resumed>)   = ?
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] <... rmdir resumed>)        = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6055] <... setpgid resumed>)      = 0
[pid  6054] +++ exited with 0 +++
[pid  5857] mkdir("./38", 0777 <unfinished ...>
[pid  5856] mkdir("./38", 0777 <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  6055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6055] <... openat resumed>)       = 3
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] rmdir("./37"./strace-static-x86_64: Process 6056 attached
 <unfinished ...>
[pid  6055] write(3, "1000", 4 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  6056] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6055] <... write resumed>)        = 4
[pid  6055] close(3 <unfinished ...>
[pid  5853] mkdir("./38", 0777)         = 0
./strace-static-x86_64: Process 6057 attached
[pid  6056] <... set_robust_list resumed>) = 0
[pid  6055] <... close resumed>)        = 0
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 40
[pid  5855] <... restart_syscall resumed>) = 0
[pid  6055] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6057] set_robust_list(0x555562c7b660, 24executing program
 <unfinished ...>
[pid  6056] chdir("./38" <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6057] <... set_robust_list resumed>) = 0
[pid  6056] <... chdir resumed>)        = 0
[pid  6055] <... symlink resumed>)      = 0
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 40
[pid  6056] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6055] write(1, "executing program\n", 18 <unfinished ...>
[pid  6056] <... prctl resumed>)        = 0
[pid  6055] <... write resumed>)        = 18
[pid  5855] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6058 attached
 <unfinished ...>
[pid  6057] chdir("./38" <unfinished ...>
[pid  6056] setpgid(0, 0 <unfinished ...>
[pid  6055] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6058] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6057] <... chdir resumed>)        = 0
[pid  6056] <... setpgid resumed>)      = 0
[pid  5855] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 40
[pid  6057] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6055] <... bpf resumed>)          = 3
[pid  6058] <... set_robust_list resumed>) = 0
[pid  6057] <... prctl resumed>)        = 0
[pid  6056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6058] chdir("./38" <unfinished ...>
[pid  6057] setpgid(0, 0 <unfinished ...>
[pid  6055] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5855] <... openat resumed>)       = 3
[pid  6056] <... openat resumed>)       = 3
[pid  6058] <... chdir resumed>)        = 0
[pid  6057] <... setpgid resumed>)      = 0
[pid  6056] write(3, "1000", 4 <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  6058] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6056] <... write resumed>)        = 4
[pid  6055] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6058] <... prctl resumed>)        = 0
[pid  6057] <... openat resumed>)       = 3
[pid  6055] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6058] setpgid(0, 0 <unfinished ...>
[pid  6056] close(3 <unfinished ...>
[pid  6058] <... setpgid resumed>)      = 0
[pid  6057] write(3, "1000", 4 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6057] <... write resumed>)        = 4
[pid  6058] <... openat resumed>)       = 3
[pid  6057] close(3 <unfinished ...>
[pid  6056] <... close resumed>)        = 0
[pid  6055] <... bpf resumed>)          = 4
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6056] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6057] <... close resumed>)        = 0
[pid  6058] write(3, "1000", 4 <unfinished ...>
[pid  6057] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6058] <... write resumed>)        = 4
[pid  6057] <... symlink resumed>)      = 0
[pid  6056] <... symlink resumed>)      = 0
[pid  6055] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
executing program
executing program
[pid  5855] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6056] write(1, "executing program\n", 18 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6056] <... write resumed>)        = 18
[pid  5855] newfstatat(AT_FDCWD, "./37/binderfs",  <unfinished ...>
[pid  6058] close(3 <unfinished ...>
[pid  6057] write(1, "executing program\n", 18 <unfinished ...>
[pid  6058] <... close resumed>)        = 0
[pid  6057] <... write resumed>)        = 18
[pid  6056] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6058] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6057] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6055] <... bpf resumed>)          = 5
[pid  5855] unlink("./37/binderfs" <unfinished ...>
[pid  6058] <... symlink resumed>)      = 0
[pid  6057] <... bpf resumed>)          = 3
[pid  6056] <... bpf resumed>)          = 3
[pid  6058] write(1, "executing program\n", 18 <unfinished ...>
[pid  6057] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6055] close(3 <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
executing program
[pid  6056] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6055] <... close resumed>)        = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6058] <... write resumed>)        = 18
[pid  6057] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6058] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6057] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6056] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6055] close(4 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  6058] <... bpf resumed>)          = 3
[pid  6057] <... bpf resumed>)          = 4
[pid  6056] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6055] <... close resumed>)        = 0
[pid  5855] <... close resumed>)        = 0
[pid  6058] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6057] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6055] close(5 <unfinished ...>
[pid  5855] rmdir("./37" <unfinished ...>
[pid  6058] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6057] <... bpf resumed>)          = 5
[pid  6056] <... bpf resumed>)          = 4
[pid  6058] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6056] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  6058] <... bpf resumed>)          = 4
[pid  6057] close(3 <unfinished ...>
[pid  6056] <... bpf resumed>)          = 5
[pid  6055] <... close resumed>)        = 0
[pid  5855] mkdir("./38", 0777 <unfinished ...>
[pid  6058] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6057] <... close resumed>)        = 0
[pid  6058] <... bpf resumed>)          = 5
[pid  6057] close(4 <unfinished ...>
[pid  6056] close(3 <unfinished ...>
[pid  6055] close(6 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  6058] close(3 <unfinished ...>
[pid  6057] <... close resumed>)        = 0
[pid  6056] <... close resumed>)        = 0
[pid  6055] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6058] <... close resumed>)        = 0
[pid  6057] close(5 <unfinished ...>
[pid  6056] close(4 <unfinished ...>
[pid  6055] close(7 <unfinished ...>
[pid  6058] close(4 <unfinished ...>
[pid  6057] <... close resumed>)        = 0
[pid  6058] <... close resumed>)        = 0
[pid  6057] close(6 <unfinished ...>
[pid  6058] close(5 <unfinished ...>
[pid  6057] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6057] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  6057] close(8./strace-static-x86_64: Process 6059 attached
 <unfinished ...>
[pid  6058] <... close resumed>)        = 0
[pid  6057] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6056] <... close resumed>)        = 0
[pid  6055] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6059] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6057] close(9 <unfinished ...>
[pid  6056] close(5 <unfinished ...>
[pid  6055] close(8 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 40
[pid  6059] <... set_robust_list resumed>) = 0
[pid  6058] close(6 <unfinished ...>
[pid  6057] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6056] <... close resumed>)        = 0
[pid  6055] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6059] chdir("./38" <unfinished ...>
[pid  6058] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6057] close(10 <unfinished ...>
[pid  6056] close(6 <unfinished ...>
[pid  6055] close(9 <unfinished ...>
[pid  6059] <... chdir resumed>)        = 0
[pid  6058] close(7 <unfinished ...>
[pid  6057] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6056] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6055] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6059] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6058] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6057] close(11 <unfinished ...>
[pid  6056] close(7 <unfinished ...>
[pid  6055] close(10 <unfinished ...>
[pid  6059] <... prctl resumed>)        = 0
[pid  6058] close(8 <unfinished ...>
[pid  6057] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6059] setpgid(0, 0 <unfinished ...>
[pid  6056] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6055] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6059] <... setpgid resumed>)      = 0
[pid  6058] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6057] close(12 <unfinished ...>
[pid  6056] close(8 <unfinished ...>
[pid  6055] close(11 <unfinished ...>
[pid  6058] close(9 <unfinished ...>
[pid  6057] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6056] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6055] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6058] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6057] close(13 <unfinished ...>
[pid  6056] close(9 <unfinished ...>
[pid  6055] close(12 <unfinished ...>
[pid  6058] close(10 <unfinished ...>
[pid  6057] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6056] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6055] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6059] <... openat resumed>)       = 3
[pid  6058] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6057] close(14 <unfinished ...>
[pid  6058] close(11 <unfinished ...>
[pid  6057] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6056] close(10 <unfinished ...>
[pid  6055] close(13 <unfinished ...>
[pid  6059] write(3, "1000", 4 <unfinished ...>
[pid  6058] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6057] close(15 <unfinished ...>
[pid  6056] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6055] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6059] <... write resumed>)        = 4
[pid  6058] close(12 <unfinished ...>
[pid  6057] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6056] close(11 <unfinished ...>
[pid  6055] close(14 <unfinished ...>
[pid  6059] close(3 <unfinished ...>
[pid  6058] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6057] close(16 <unfinished ...>
[pid  6056] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6055] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6059] <... close resumed>)        = 0
[pid  6058] close(13 <unfinished ...>
[pid  6057] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6059] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6058] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6057] close(17 <unfinished ...>
[pid  6056] close(12 <unfinished ...>
[pid  6055] close(15 <unfinished ...>
[pid  6058] close(14 <unfinished ...>
[pid  6057] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6056] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6055] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6058] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6057] close(18 <unfinished ...>
[pid  6056] close(13 <unfinished ...>
[pid  6055] close(16 <unfinished ...>
[pid  6059] <... symlink resumed>)      = 0
[pid  6058] close(15 <unfinished ...>
[pid  6057] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6056] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6055] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6058] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  6057] close(19 <unfinished ...>
[pid  6056] close(14 <unfinished ...>
[pid  6055] close(17 <unfinished ...>
[pid  6059] write(1, "executing program\n", 18 <unfinished ...>
[pid  6058] close(16 <unfinished ...>
[pid  6057] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6056] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6055] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6058] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6057] close(20 <unfinished ...>
[pid  6056] close(15 <unfinished ...>
[pid  6055] close(18 <unfinished ...>
[pid  6059] <... write resumed>)        = 18
[pid  6058] close(17 <unfinished ...>
[pid  6057] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6056] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6055] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6059] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6058] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6057] close(21 <unfinished ...>
[pid  6058] close(18 <unfinished ...>
[pid  6057] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6056] close(16 <unfinished ...>
[pid  6055] close(19 <unfinished ...>
[pid  6059] <... bpf resumed>)          = 3
[pid  6058] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6057] close(22 <unfinished ...>
[pid  6056] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6055] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6058] close(19 <unfinished ...>
[pid  6057] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6056] close(17 <unfinished ...>
[pid  6055] close(20 <unfinished ...>
[pid  6058] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6057] close(23 <unfinished ...>
[pid  6056] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6055] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6058] close(20 <unfinished ...>
[pid  6057] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6056] close(18 <unfinished ...>
[pid  6055] close(21 <unfinished ...>
[pid  6058] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6057] close(24 <unfinished ...>
[pid  6056] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6055] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6058] close(21 <unfinished ...>
[pid  6057] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6056] close(19 <unfinished ...>
[pid  6055] close(22 <unfinished ...>
[pid  6059] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6058] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6057] close(25 <unfinished ...>
[pid  6056] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6055] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6059] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6058] close(22 <unfinished ...>
[pid  6057] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6056] close(20 <unfinished ...>
[pid  6055] close(23 <unfinished ...>
[pid  6059] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6058] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6057] close(26 <unfinished ...>
[pid  6056] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6055] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6058] close(23 <unfinished ...>
[pid  6057] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6056] close(21 <unfinished ...>
[pid  6055] close(24 <unfinished ...>
[pid  6059] <... bpf resumed>)          = 4
[pid  6058] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6057] close(27 <unfinished ...>
[pid  6056] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6055] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6059] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6058] close(24 <unfinished ...>
[pid  6057] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6056] close(22 <unfinished ...>
[pid  6055] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  6058] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6057] close(28 <unfinished ...>
[pid  6056] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6059] <... bpf resumed>)          = 5
[pid  6058] close(25 <unfinished ...>
[pid  6057] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6056] close(23 <unfinished ...>
[pid  6055] close(26 <unfinished ...>
[pid  6058] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6057] close(29 <unfinished ...>
[pid  6056] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6058] close(26 <unfinished ...>
[pid  6057] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6056] close(24 <unfinished ...>
[pid  6059] close(3 <unfinished ...>
[pid  6058] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6057] exit_group(0 <unfinished ...>
[pid  6056] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6055] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6059] <... close resumed>)        = 0
[pid  6058] close(27 <unfinished ...>
[pid  6056] close(25 <unfinished ...>
[pid  6055] close(27 <unfinished ...>
[pid  6059] close(4 <unfinished ...>
[pid  6058] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6057] <... exit_group resumed>)   = ?
[pid  6056] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6055] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6059] <... close resumed>)        = 0
[pid  6058] close(28 <unfinished ...>
[pid  6056] close(26 <unfinished ...>
[pid  6055] close(28 <unfinished ...>
[pid  6059] close(5 <unfinished ...>
[pid  6056] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6055] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6059] <... close resumed>)        = 0
[pid  6058] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6056] close(27 <unfinished ...>
[pid  6055] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  6055] exit_group(0)               = ?
[pid  6057] +++ exited with 0 +++
[pid  6058] close(29 <unfinished ...>
[pid  6056] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6058] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6056] close(28 <unfinished ...>
[pid  6059] close(6 <unfinished ...>
[pid  6056] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6059] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6058] exit_group(0 <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6059] close(7 <unfinished ...>
[pid  6056] close(29 <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6059] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6058] <... exit_group resumed>)   = ?
[pid  6056] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6059] close(8 <unfinished ...>
[pid  6058] +++ exited with 0 +++
[pid  6056] exit_group(0 <unfinished ...>
[pid  6055] +++ exited with 0 +++
[pid  6059] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6056] <... exit_group resumed>)   = ?
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6059] close(9 <unfinished ...>
[pid  6056] +++ exited with 0 +++
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6059] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6059] close(10 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  6059] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6059] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  6059] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  6059] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  6059] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  6059] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  6059] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  6059] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  6059] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  6059] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  6059] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5853] <... restart_syscall resumed>) = 0
[pid  6059] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  6059] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  6059] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6059] close(24 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6059] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6059] close(25 <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5856] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5853] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6059] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... openat resumed>)       = 3
[pid  6059] close(26 <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5854] getdents64(3, 0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6059] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6059] close(27 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6059] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5854] newfstatat(AT_FDCWD, "./37/binderfs",  <unfinished ...>
[pid  6059] close(28 <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6059] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6059] close(29 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6059] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(AT_FDCWD, "./38/binderfs",  <unfinished ...>
[pid  5853] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] unlink("./37/binderfs" <unfinished ...>
[pid  6059] exit_group(0 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] newfstatat(AT_FDCWD, "./38/binderfs",  <unfinished ...>
[pid  6059] <... exit_group resumed>)   = ?
[pid  5857] unlink("./38/binderfs" <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./38/binderfs",  <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] close(3)                    = 0
[pid  5854] rmdir("./37")               = 0
[pid  5854] mkdir("./38", 0777)         = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6059] +++ exited with 0 +++
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] unlink("./38/binderfs" <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] unlink("./38/binderfs" <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] <... unlink resumed>)       = 0
./strace-static-x86_64: Process 6060 attached
[pid  5857] close(3 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 40
[pid  6060] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6060] <... set_robust_list resumed>) = 0
[pid  5857] rmdir("./38" <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... close resumed>)        = 0
[pid  5856] rmdir("./38" <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5853] <... close resumed>)        = 0
[pid  6060] chdir("./38" <unfinished ...>
[pid  5857] mkdir("./39", 0777 <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5853] rmdir("./38" <unfinished ...>
[pid  6060] <... chdir resumed>)        = 0
[pid  5853] <... rmdir resumed>)        = 0
[pid  5857] <... mkdir resumed>)        = 0
[pid  6060] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5856] mkdir("./39", 0777 <unfinished ...>
[pid  6060] <... prctl resumed>)        = 0
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] mkdir("./39", 0777 <unfinished ...>
[pid  6060] setpgid(0, 0 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... mkdir resumed>)        = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  6060] <... setpgid resumed>)      = 0
./strace-static-x86_64: Process 6061 attached
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6061] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  6061] <... set_robust_list resumed>) = 0
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  6061] chdir("./39" <unfinished ...>
[pid  6060] <... openat resumed>)       = 3
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] getdents64(3, 0x555562c7c6f0 /* 3 entries */, 32768) = 80
./strace-static-x86_64: Process 6062 attached
[pid  6061] <... chdir resumed>)        = 0
[pid  5855] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6062] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6061] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6060] write(3, "1000", 4 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6062] <... set_robust_list resumed>) = 0
[pid  6061] <... prctl resumed>)        = 0
[pid  6060] <... write resumed>)        = 4
[pid  5855] newfstatat(AT_FDCWD, "./38/binderfs", ./strace-static-x86_64: Process 6063 attached
 <unfinished ...>
[pid  6062] chdir("./39" <unfinished ...>
[pid  6061] setpgid(0, 0 <unfinished ...>
[pid  6060] close(3 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 41
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 41
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 41
[pid  6062] <... chdir resumed>)        = 0
[pid  6061] <... setpgid resumed>)      = 0
[pid  6060] <... close resumed>)        = 0
[pid  5855] unlink("./38/binderfs" <unfinished ...>
[pid  6063] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6062] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6060] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  6063] <... set_robust_list resumed>) = 0
[pid  6062] <... prctl resumed>)        = 0
[pid  6063] chdir("./39" <unfinished ...>
[pid  6062] setpgid(0, 0 <unfinished ...>
[pid  6060] <... symlink resumed>)      = 0
[pid  5855] getdents64(3, executing program
 <unfinished ...>
[pid  6062] <... setpgid resumed>)      = 0
[pid  6061] <... openat resumed>)       = 3
[pid  6060] write(1, "executing program\n", 18 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6063] <... chdir resumed>)        = 0
[pid  6062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6061] write(3, "1000", 4 <unfinished ...>
[pid  6060] <... write resumed>)        = 18
[pid  5855] close(3 <unfinished ...>
[pid  6061] <... write resumed>)        = 4
[pid  5855] <... close resumed>)        = 0
[pid  6063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6063] setpgid(0, 0 <unfinished ...>
[pid  6062] <... openat resumed>)       = 3
[pid  6063] <... setpgid resumed>)      = 0
[pid  6061] close(3 <unfinished ...>
[pid  6060] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5855] rmdir("./38" <unfinished ...>
[pid  6063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6062] write(3, "1000", 4 <unfinished ...>
[pid  6063] <... openat resumed>)       = 3
[pid  6062] <... write resumed>)        = 4
[pid  6063] write(3, "1000", 4 <unfinished ...>
[pid  6061] <... close resumed>)        = 0
[pid  6060] <... bpf resumed>)          = 3
[pid  5855] <... rmdir resumed>)        = 0
[pid  6063] <... write resumed>)        = 4
[pid  6061] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6060] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6063] close(3 <unfinished ...>
[pid  6061] <... symlink resumed>)      = 0
[pid  6063] <... close resumed>)        = 0
[pid  6060] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6063] symlink("/dev/binderfs", "./binderfs"executing program
 <unfinished ...>
[pid  6061] write(1, "executing program\n", 18 <unfinished ...>
[pid  6060] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6063] <... symlink resumed>)      = 0
[pid  6062] close(3 <unfinished ...>
[pid  6061] <... write resumed>)        = 18
[pid  5855] mkdir("./39", 0777 <unfinished ...>
[pid  6062] <... close resumed>)        = 0
[pid  6060] <... bpf resumed>)          = 4
[pid  5855] <... mkdir resumed>)        = 0
[pid  6063] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  6062] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6061] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
./strace-static-x86_64: Process 6064 attached
 <unfinished ...>
[pid  6063] <... write resumed>)        = 18
[pid  6062] <... symlink resumed>)      = 0
[pid  6061] <... bpf resumed>)          = 3
[pid  6060] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6062] write(1, "executing program\n", 18 <unfinished ...>
[pid  6063] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6061] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6060] <... bpf resumed>)          = 5
[pid  6063] <... bpf resumed>)          = 3
[pid  6062] <... write resumed>)        = 18
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 41
[pid  6062] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6064] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6062] <... bpf resumed>)          = 3
[pid  6061] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6064] <... set_robust_list resumed>) = 0
[pid  6063] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6062] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6061] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6060] close(3 <unfinished ...>
[pid  6064] chdir("./39" <unfinished ...>
[pid  6063] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6062] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6064] <... chdir resumed>)        = 0
[pid  6063] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6062] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6061] <... bpf resumed>)          = 4
[pid  6060] <... close resumed>)        = 0
[pid  6064] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6063] <... bpf resumed>)          = 4
[pid  6062] <... bpf resumed>)          = 4
[pid  6060] close(4 <unfinished ...>
[pid  6061] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6064] <... prctl resumed>)        = 0
[pid  6060] <... close resumed>)        = 0
[pid  6064] setpgid(0, 0 <unfinished ...>
[pid  6063] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6062] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6061] <... bpf resumed>)          = 5
[pid  6060] close(5 <unfinished ...>
[pid  6064] <... setpgid resumed>)      = 0
[pid  6063] <... bpf resumed>)          = 5
[pid  6062] <... bpf resumed>)          = 5
[pid  6061] close(3 <unfinished ...>
[pid  6060] <... close resumed>)        = 0
[pid  6064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6062] close(3 <unfinished ...>
[pid  6061] <... close resumed>)        = 0
[pid  6060] close(6 <unfinished ...>
[pid  6062] <... close resumed>)        = 0
[pid  6062] close(4 <unfinished ...>
[pid  6060] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6063] close(3 <unfinished ...>
[pid  6062] <... close resumed>)        = 0
[pid  6061] close(4 <unfinished ...>
[pid  6060] close(7 <unfinished ...>
[pid  6064] <... openat resumed>)       = 3
[pid  6063] <... close resumed>)        = 0
[pid  6061] <... close resumed>)        = 0
[pid  6064] write(3, "1000", 4 <unfinished ...>
[pid  6063] close(4 <unfinished ...>
[pid  6061] close(5 <unfinished ...>
[pid  6064] <... write resumed>)        = 4
[pid  6063] <... close resumed>)        = 0
[pid  6064] close(3 <unfinished ...>
[pid  6061] <... close resumed>)        = 0
[pid  6063] close(5 <unfinished ...>
[pid  6061] close(6 <unfinished ...>
[pid  6062] close(5 <unfinished ...>
[pid  6061] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6060] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6064] <... close resumed>)        = 0
[pid  6063] <... close resumed>)        = 0
[pid  6062] <... close resumed>)        = 0
[pid  6061] close(7 <unfinished ...>
[pid  6060] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  6064] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6063] close(6 <unfinished ...>
[pid  6061] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6060] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  6062] close(6 <unfinished ...>
[pid  6064] <... symlink resumed>)      = 0
[pid  6060] close(10 <unfinished ...>
[pid  6063] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6061] close(8 <unfinished ...>
[pid  6060] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6064] write(1, "executing program\n", 18 <unfinished ...>
[pid  6063] close(7executing program
 <unfinished ...>
[pid  6062] close(7 <unfinished ...>
[pid  6061] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6060] close(11 <unfinished ...>
[pid  6064] <... write resumed>)        = 18
[pid  6063] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6061] close(9 <unfinished ...>
[pid  6060] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6063] close(8 <unfinished ...>
[pid  6062] close(8 <unfinished ...>
[pid  6061] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6060] close(12 <unfinished ...>
[pid  6062] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6060] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] close(9 <unfinished ...>
[pid  6060] close(13 <unfinished ...>
[pid  6062] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6060] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6064] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6063] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] close(10 <unfinished ...>
[pid  6061] close(10 <unfinished ...>
[pid  6060] close(14 <unfinished ...>
[pid  6064] <... bpf resumed>)          = 3
[pid  6063] close(9 <unfinished ...>
[pid  6062] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6061] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6060] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6063] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] close(11 <unfinished ...>
[pid  6061] close(11 <unfinished ...>
[pid  6064] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6060] close(15 <unfinished ...>
[pid  6063] close(10 <unfinished ...>
[pid  6062] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6061] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6060] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6063] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] close(12 <unfinished ...>
[pid  6061] close(12 <unfinished ...>
[pid  6060] close(16 <unfinished ...>
[pid  6064] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6063] close(11 <unfinished ...>
[pid  6062] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6061] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6060] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6064] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6063] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] close(13 <unfinished ...>
[pid  6060] close(17 <unfinished ...>
[pid  6063] close(12 <unfinished ...>
[pid  6062] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6061] close(13 <unfinished ...>
[pid  6060] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6063] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] close(14 <unfinished ...>
[pid  6061] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6060] close(18 <unfinished ...>
[pid  6063] close(13 <unfinished ...>
[pid  6062] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6061] close(14 <unfinished ...>
[pid  6060] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] close(15 <unfinished ...>
[pid  6061] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6060] close(19 <unfinished ...>
[pid  6062] close(16 <unfinished ...>
[pid  6060] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6060] close(20 <unfinished ...>
[pid  6062] close(17 <unfinished ...>
[pid  6060] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6064] <... bpf resumed>)          = 4
[pid  6063] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6061] close(15 <unfinished ...>
[pid  6064] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6063] close(14 <unfinished ...>
[pid  6061] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6063] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6061] close(16 <unfinished ...>
[pid  6060] close(21 <unfinished ...>
[pid  6063] close(15 <unfinished ...>
[pid  6062] close(18 <unfinished ...>
[pid  6061] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6060] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6063] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6061] close(17 <unfinished ...>
[pid  6060] close(22 <unfinished ...>
[pid  6064] <... bpf resumed>)          = 5
[pid  6063] close(16 <unfinished ...>
[pid  6062] close(19 <unfinished ...>
[pid  6061] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6060] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6064] close(3 <unfinished ...>
[pid  6063] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6061] close(18 <unfinished ...>
[pid  6060] close(23 <unfinished ...>
[pid  6063] close(17 <unfinished ...>
[pid  6062] close(20 <unfinished ...>
[pid  6061] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6060] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6064] <... close resumed>)        = 0
[pid  6063] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6061] close(19 <unfinished ...>
[pid  6060] close(24 <unfinished ...>
[pid  6064] close(4 <unfinished ...>
[pid  6063] close(18 <unfinished ...>
[pid  6062] close(21 <unfinished ...>
[pid  6061] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6060] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6063] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6064] <... close resumed>)        = 0
[pid  6062] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6061] close(20 <unfinished ...>
[pid  6060] close(25 <unfinished ...>
[pid  6064] close(5 <unfinished ...>
[pid  6063] close(19 <unfinished ...>
[pid  6061] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] close(22 <unfinished ...>
[pid  6061] close(21 <unfinished ...>
[pid  6060] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6063] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6061] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6060] close(26 <unfinished ...>
[pid  6064] <... close resumed>)        = 0
[pid  6063] close(20 <unfinished ...>
[pid  6062] close(23 <unfinished ...>
[pid  6061] close(22 <unfinished ...>
[pid  6060] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6060] close(27 <unfinished ...>
[pid  6062] close(24 <unfinished ...>
[pid  6060] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6060] close(28 <unfinished ...>
[pid  6064] close(6 <unfinished ...>
[pid  6063] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] close(25 <unfinished ...>
[pid  6061] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6064] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6063] close(21 <unfinished ...>
[pid  6061] close(23 <unfinished ...>
[pid  6064] close(7 <unfinished ...>
[pid  6063] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6061] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6064] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6063] close(22 <unfinished ...>
[pid  6061] close(24 <unfinished ...>
[pid  6064] close(8 <unfinished ...>
[pid  6063] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6061] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6063] close(23 <unfinished ...>
[pid  6064] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6061] close(25 <unfinished ...>
[pid  6060] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6064] close(9 <unfinished ...>
[pid  6063] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] close(26 <unfinished ...>
[pid  6061] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6060] close(29 <unfinished ...>
[pid  6064] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6063] close(24 <unfinished ...>
[pid  6062] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6061] close(26 <unfinished ...>
[pid  6060] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6064] close(10 <unfinished ...>
[pid  6063] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] close(27 <unfinished ...>
[pid  6061] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6060] exit_group(0 <unfinished ...>
[pid  6064] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6063] close(25 <unfinished ...>
[pid  6062] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6061] close(27 <unfinished ...>
[pid  6060] <... exit_group resumed>)   = ?
[pid  6064] close(11 <unfinished ...>
[pid  6063] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] close(28 <unfinished ...>
[pid  6061] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6060] +++ exited with 0 +++
[pid  6064] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6063] close(26 <unfinished ...>
[pid  6062] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6061] close(28 <unfinished ...>
[pid  6064] close(12 <unfinished ...>
[pid  6063] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] close(29 <unfinished ...>
[pid  6061] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6064] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6063] close(27 <unfinished ...>
[pid  6062] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6061] close(29 <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6064] close(13 <unfinished ...>
[pid  6063] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] exit_group(0 <unfinished ...>
[pid  6061] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6062] <... exit_group resumed>)   = ?
[pid  6064] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6063] close(28 <unfinished ...>
[pid  6062] +++ exited with 0 +++
[pid  6061] exit_group(0 <unfinished ...>
[pid  6064] close(14 <unfinished ...>
[pid  6063] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6063] close(29 <unfinished ...>
[pid  6061] <... exit_group resumed>)   = ?
[pid  6064] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6063] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6064] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  6064] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  6064] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  6061] +++ exited with 0 +++
[pid  6064] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  6063] exit_group(0 <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6064] close(19 <unfinished ...>
[pid  6063] <... exit_group resumed>)   = ?
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6064] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  6064] close(20 <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  6064] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6063] +++ exited with 0 +++
[pid  6064] close(21 <unfinished ...>
[pid  5856] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6064] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6064] close(22 <unfinished ...>
[pid  5857] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6064] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... openat resumed>)       = 3
[pid  5854] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6064] close(23 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6064] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6064] close(24 <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... restart_syscall resumed>) = 0
[pid  6064] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6064] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6064] close(26 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6064] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6064] close(27 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6064] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./39/binderfs",  <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6064] close(28 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] newfstatat(AT_FDCWD, "./38/binderfs",  <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  6064] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6064] close(29 <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./39/binderfs",  <unfinished ...>
[pid  5856] unlink("./39/binderfs" <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6064] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  5854] unlink("./38/binderfs" <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6064] exit_group(0 <unfinished ...>
[pid  5857] unlink("./39/binderfs" <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  6064] <... exit_group resumed>)   = ?
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] close(3 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5853] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] rmdir("./39" <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] rmdir("./39" <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5853] newfstatat(AT_FDCWD, "./39/binderfs",  <unfinished ...>
[pid  6064] +++ exited with 0 +++
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] mkdir("./40", 0777 <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] mkdir("./40", 0777 <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5853] unlink("./39/binderfs" <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] rmdir("./38" <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
./strace-static-x86_64: Process 6066 attached
./strace-static-x86_64: Process 6065 attached
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5854] mkdir("./39", 0777 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6065] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5853] close(3)                    = 0
[pid  5853] rmdir("./39" <unfinished ...>
[pid  6066] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6065] <... set_robust_list resumed>) = 0
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 42
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] <... rmdir resumed>)        = 0
[pid  6066] <... set_robust_list resumed>) = 0
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 42
[pid  5853] mkdir("./40", 0777 <unfinished ...>
[pid  6066] chdir("./40" <unfinished ...>
[pid  6065] chdir("./40" <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6067 attached
 <unfinished ...>
[pid  6066] <... chdir resumed>)        = 0
[pid  6065] <... chdir resumed>)        = 0
[pid  5855] <... restart_syscall resumed>) = 0
./strace-static-x86_64: Process 6068 attached
[pid  6067] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6066] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6065] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 41
[pid  6068] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6067] <... set_robust_list resumed>) = 0
[pid  6066] <... prctl resumed>)        = 0
[pid  6065] <... prctl resumed>)        = 0
[pid  6068] <... set_robust_list resumed>) = 0
[pid  6066] setpgid(0, 0 <unfinished ...>
[pid  6068] chdir("./40" <unfinished ...>
[pid  6067] chdir("./39" <unfinished ...>
[pid  6066] <... setpgid resumed>)      = 0
[pid  6065] setpgid(0, 0 <unfinished ...>
[pid  5855] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 42
[pid  6065] <... setpgid resumed>)      = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6068] <... chdir resumed>)        = 0
[pid  6067] <... chdir resumed>)        = 0
[pid  6065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6068] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6067] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  6068] <... prctl resumed>)        = 0
[pid  6067] <... prctl resumed>)        = 0
[pid  6065] <... openat resumed>)       = 3
[pid  6068] setpgid(0, 0 <unfinished ...>
[pid  6067] setpgid(0, 0 <unfinished ...>
[pid  6066] <... openat resumed>)       = 3
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  6066] write(3, "1000", 4 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6066] <... write resumed>)        = 4
[pid  6068] <... setpgid resumed>)      = 0
[pid  6067] <... setpgid resumed>)      = 0
[pid  6065] write(3, "1000", 4 <unfinished ...>
[pid  6066] close(3 <unfinished ...>
[pid  6068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6065] <... write resumed>)        = 4
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6068] <... openat resumed>)       = 3
[pid  6067] <... openat resumed>)       = 3
[pid  6066] <... close resumed>)        = 0
[pid  6065] close(3 <unfinished ...>
[pid  6066] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6065] <... close resumed>)        = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6068] write(3, "1000", 4 <unfinished ...>
[pid  6067] write(3, "1000", 4 <unfinished ...>
[pid  6065] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6068] <... write resumed>)        = 4
[pid  6067] <... write resumed>)        = 4
[pid  6066] <... symlink resumed>)      = 0
[pid  6065] <... symlink resumed>)      = 0
[pid  5855] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6068] close(3 <unfinished ...>
[pid  6067] close(3 <unfinished ...>
[pid  6068] <... close resumed>)        = 0
[pid  6067] <... close resumed>)        = 0
executing program
executing program
[pid  6065] write(1, "executing program\n", 18 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6068] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6067] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6066] write(1, "executing program\n", 18 <unfinished ...>
[pid  6065] <... write resumed>)        = 18
[pid  6068] <... symlink resumed>)      = 0
[pid  6067] <... symlink resumed>)      = 0
[pid  6066] <... write resumed>)        = 18
[pid  5855] newfstatat(AT_FDCWD, "./39/binderfs",  <unfinished ...>
[pid  6066] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6065] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6068] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6067] write(1, "executing program\n", 18 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
executing program
[pid  6068] <... write resumed>)        = 18
[pid  6066] <... bpf resumed>)          = 3
[pid  6065] <... bpf resumed>)          = 3
[pid  5855] unlink("./39/binderfs" <unfinished ...>
[pid  6068] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6067] <... write resumed>)        = 18
[pid  6066] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6065] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5855] <... unlink resumed>)       = 0
[pid  6068] <... bpf resumed>)          = 3
[pid  6067] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6068] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6065] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6067] <... bpf resumed>)          = 3
[pid  6068] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6067] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6066] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6065] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6068] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6067] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6066] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6068] <... bpf resumed>)          = 4
[pid  6067] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6066] <... bpf resumed>)          = 4
[pid  6065] <... bpf resumed>)          = 4
[pid  5855] close(3 <unfinished ...>
[pid  6068] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6066] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  6066] <... bpf resumed>)          = 5
[pid  5855] rmdir("./39" <unfinished ...>
[pid  6068] <... bpf resumed>)          = 5
[pid  6067] <... bpf resumed>)          = 4
[pid  6065] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  6066] close(3 <unfinished ...>
[pid  5855] mkdir("./40", 0777 <unfinished ...>
[pid  6068] close(3 <unfinished ...>
[pid  6067] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6066] <... close resumed>)        = 0
[pid  6065] <... bpf resumed>)          = 5
[pid  5855] <... mkdir resumed>)        = 0
[pid  6068] <... close resumed>)        = 0
[pid  6067] <... bpf resumed>)          = 5
[pid  6066] close(4 <unfinished ...>
[pid  6065] close(3 <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6068] close(4 <unfinished ...>
[pid  6067] close(3 <unfinished ...>
[pid  6066] <... close resumed>)        = 0
[pid  6065] <... close resumed>)        = 0
./strace-static-x86_64: Process 6069 attached
[pid  6068] <... close resumed>)        = 0
[pid  6067] <... close resumed>)        = 0
[pid  6066] close(5 <unfinished ...>
[pid  6065] close(4 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 42
[pid  6069] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6068] close(5 <unfinished ...>
[pid  6067] close(4 <unfinished ...>
[pid  6066] <... close resumed>)        = 0
[pid  6065] <... close resumed>)        = 0
[pid  6069] <... set_robust_list resumed>) = 0
[pid  6068] <... close resumed>)        = 0
[pid  6067] <... close resumed>)        = 0
[pid  6065] close(5 <unfinished ...>
[pid  6067] close(5 <unfinished ...>
[pid  6068] close(6 <unfinished ...>
[pid  6066] close(6)                    = -1 EBADF (Bad file descriptor)
[pid  6069] chdir("./40" <unfinished ...>
[pid  6066] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  6066] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  6065] <... close resumed>)        = 0
[pid  6066] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  6066] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  6066] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  6066] close(12 <unfinished ...>
[pid  6069] <... chdir resumed>)        = 0
[pid  6068] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6067] <... close resumed>)        = 0
[pid  6066] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6065] close(6 <unfinished ...>
[pid  6069] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6068] close(7 <unfinished ...>
[pid  6067] close(6 <unfinished ...>
[pid  6066] close(13 <unfinished ...>
[pid  6065] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6069] <... prctl resumed>)        = 0
[pid  6068] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6067] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6066] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6065] close(7 <unfinished ...>
[pid  6069] setpgid(0, 0 <unfinished ...>
[pid  6068] close(8 <unfinished ...>
[pid  6067] close(7 <unfinished ...>
[pid  6066] close(14 <unfinished ...>
[pid  6065] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6069] <... setpgid resumed>)      = 0
[pid  6068] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6067] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6066] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6065] close(8 <unfinished ...>
[pid  6068] close(9 <unfinished ...>
[pid  6067] close(8 <unfinished ...>
[pid  6066] close(15 <unfinished ...>
[pid  6065] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6068] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6067] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6066] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6065] close(9 <unfinished ...>
[pid  6069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6068] close(10 <unfinished ...>
[pid  6067] close(9 <unfinished ...>
[pid  6066] close(16 <unfinished ...>
[pid  6065] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6068] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6067] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6066] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6065] close(10 <unfinished ...>
[pid  6068] close(11 <unfinished ...>
[pid  6067] close(10 <unfinished ...>
[pid  6066] close(17 <unfinished ...>
[pid  6068] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6067] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6066] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6065] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6069] <... openat resumed>)       = 3
[pid  6068] close(12 <unfinished ...>
[pid  6065] close(11 <unfinished ...>
[pid  6067] close(11 <unfinished ...>
[pid  6066] close(18 <unfinished ...>
[pid  6065] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6067] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6066] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6065] close(12 <unfinished ...>
[pid  6069] write(3, "1000", 4 <unfinished ...>
[pid  6068] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6067] close(12 <unfinished ...>
[pid  6066] close(19 <unfinished ...>
[pid  6065] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6069] <... write resumed>)        = 4
[pid  6068] close(13 <unfinished ...>
[pid  6067] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6066] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6065] close(13 <unfinished ...>
[pid  6069] close(3 <unfinished ...>
[pid  6068] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6067] close(13 <unfinished ...>
[pid  6066] close(20 <unfinished ...>
[pid  6065] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6069] <... close resumed>)        = 0
[pid  6068] close(14 <unfinished ...>
[pid  6067] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6066] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6065] close(14 <unfinished ...>
[pid  6069] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6068] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6067] close(14 <unfinished ...>
[pid  6066] close(21 <unfinished ...>
[pid  6065] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6067] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6066] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6068] close(15 <unfinished ...>
[pid  6067] close(15 <unfinished ...>
[pid  6066] close(22 <unfinished ...>
[pid  6065] close(15 <unfinished ...>
[pid  6069] <... symlink resumed>)      = 0
executing program
[pid  6069] write(1, "executing program\n", 18 <unfinished ...>
[pid  6068] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6067] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6066] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6065] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6069] <... write resumed>)        = 18
[pid  6068] close(16 <unfinished ...>
[pid  6067] close(16 <unfinished ...>
[pid  6066] close(23 <unfinished ...>
[pid  6065] close(16 <unfinished ...>
[pid  6069] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6068] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6067] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6066] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6065] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6069] <... bpf resumed>)          = 3
[pid  6068] close(17 <unfinished ...>
[pid  6067] close(17 <unfinished ...>
[pid  6066] close(24 <unfinished ...>
[pid  6065] close(17 <unfinished ...>
[pid  6069] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6068] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6067] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6066] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6065] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6068] close(18 <unfinished ...>
[pid  6067] close(18 <unfinished ...>
[pid  6066] close(25 <unfinished ...>
[pid  6065] close(18 <unfinished ...>
[pid  6068] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6065] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6068] close(19 <unfinished ...>
[pid  6065] close(19 <unfinished ...>
[pid  6068] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6065] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6067] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6066] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6065] close(20 <unfinished ...>
[pid  6069] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6068] close(20 <unfinished ...>
[pid  6067] close(19 <unfinished ...>
[pid  6066] close(26 <unfinished ...>
[pid  6065] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6069] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6068] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6067] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6066] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6065] close(21 <unfinished ...>
[pid  6068] close(21 <unfinished ...>
[pid  6067] close(20 <unfinished ...>
[pid  6066] close(27 <unfinished ...>
[pid  6067] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6066] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6067] close(21 <unfinished ...>
[pid  6066] close(28 <unfinished ...>
[pid  6067] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6066] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6069] <... bpf resumed>)          = 4
[pid  6067] close(22 <unfinished ...>
[pid  6066] close(29 <unfinished ...>
[pid  6067] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6066] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6069] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6068] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6067] close(23 <unfinished ...>
[pid  6066] exit_group(0 <unfinished ...>
[pid  6065] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6068] close(22 <unfinished ...>
[pid  6067] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6066] <... exit_group resumed>)   = ?
[pid  6065] close(22 <unfinished ...>
[pid  6069] <... bpf resumed>)          = 5
[pid  6068] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6067] close(24 <unfinished ...>
[pid  6066] +++ exited with 0 +++
[pid  6065] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6067] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6067] close(25 <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6067] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6067] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  6069] close(3 <unfinished ...>
[pid  6068] close(23 <unfinished ...>
[pid  6067] close(27 <unfinished ...>
[pid  6065] close(23 <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  6069] <... close resumed>)        = 0
[pid  6068] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6067] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6065] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6069] close(4 <unfinished ...>
[pid  6068] close(24 <unfinished ...>
[pid  6067] close(28 <unfinished ...>
[pid  6065] close(24 <unfinished ...>
[pid  6069] <... close resumed>)        = 0
[pid  6068] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6067] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6065] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6068] close(25 <unfinished ...>
[pid  6067] close(29 <unfinished ...>
[pid  6065] close(25 <unfinished ...>
[pid  6069] close(5 <unfinished ...>
[pid  6068] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6067] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6065] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6068] close(26 <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6065] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  5856] <... openat resumed>)       = 3
[pid  6069] <... close resumed>)        = 0
[pid  6067] exit_group(0 <unfinished ...>
[pid  6068] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6068] close(27 <unfinished ...>
[pid  6065] close(27 <unfinished ...>
[pid  6068] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6067] <... exit_group resumed>)   = ?
[pid  6065] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  6068] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  6068] close(29 <unfinished ...>
[pid  6065] close(28 <unfinished ...>
[pid  6068] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6068] exit_group(0 <unfinished ...>
[pid  6065] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6068] <... exit_group resumed>)   = ?
[pid  6065] close(29 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6068] +++ exited with 0 +++
[pid  6069] close(6 <unfinished ...>
[pid  6065] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6067] +++ exited with 0 +++
[pid  6065] exit_group(0 <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6069] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6069] close(7 <unfinished ...>
[pid  6065] <... exit_group resumed>)   = ?
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6069] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6065] +++ exited with 0 +++
[pid  6069] close(8 <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./40/binderfs",  <unfinished ...>
[pid  6069] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6069] close(9 <unfinished ...>
[pid  5856] unlink("./40/binderfs" <unfinished ...>
[pid  6069] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6069] close(10 <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  6069] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6069] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  6069] close(12 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6069] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6069] close(13 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6069] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] close(3 <unfinished ...>
[pid  6069] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  5856] <... close resumed>)        = 0
[pid  6069] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  5856] rmdir("./40" <unfinished ...>
[pid  6069] close(16 <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  6069] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] mkdir("./41", 0777 <unfinished ...>
[pid  6069] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  5856] <... mkdir resumed>)        = 0
[pid  6069] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  6069] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6069] close(20)                   = -1 EBADF (Bad file descriptor)
./strace-static-x86_64: Process 6070 attached
[pid  6070] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6069] close(21 <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 43
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5853] <... restart_syscall resumed>) = 0
[pid  6069] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6070] <... set_robust_list resumed>) = 0
[pid  6069] close(22 <unfinished ...>
[pid  6070] chdir("./41" <unfinished ...>
[pid  6069] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6070] <... chdir resumed>)        = 0
[pid  6069] close(23 <unfinished ...>
[pid  5857] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6070] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6069] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6070] <... prctl resumed>)        = 0
[pid  6069] close(24 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6070] setpgid(0, 0 <unfinished ...>
[pid  6069] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6070] <... setpgid resumed>)      = 0
[pid  6069] close(25 <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  6069] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... openat resumed>)       = 3
[pid  6069] close(26 <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6070] <... openat resumed>)       = 3
[pid  6069] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] <... openat resumed>)       = 3
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] getdents64(3, 0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6070] write(3, "1000", 4 <unfinished ...>
[pid  6069] close(27 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6070] <... write resumed>)        = 4
[pid  6069] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./39/binderfs",  <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6070] close(3 <unfinished ...>
[pid  6069] close(28 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6070] <... close resumed>)        = 0
[pid  6069] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(AT_FDCWD, "./40/binderfs",  <unfinished ...>
[pid  5854] unlink("./39/binderfs" <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6070] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6069] close(29 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] newfstatat(AT_FDCWD, "./40/binderfs",  <unfinished ...>
[pid  6070] <... symlink resumed>)      = 0
[pid  6069] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] unlink("./40/binderfs" <unfinished ...>
[pid  6069] exit_group(0 <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5854] getdents64(3,  <unfinished ...>
executing program
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  6070] write(1, "executing program\n", 18 <unfinished ...>
[pid  6069] <... exit_group resumed>)   = ?
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] unlink("./40/binderfs" <unfinished ...>
[pid  6070] <... write resumed>)        = 18
[pid  6069] +++ exited with 0 +++
[pid  5857] close(3 <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  6070] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5857] rmdir("./40" <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] <... close resumed>)        = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  6070] <... bpf resumed>)          = 3
[pid  5854] rmdir("./39" <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  6070] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5854] mkdir("./40", 0777 <unfinished ...>
[pid  5857] mkdir("./41", 0777 <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6070] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5854] <... mkdir resumed>)        = 0
[pid  6070] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6070] <... bpf resumed>)          = 4
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] close(3./strace-static-x86_64: Process 6071 attached
)                    = 0
[pid  5853] rmdir("./40"./strace-static-x86_64: Process 6072 attached
 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 43
[pid  5855] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  6071] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6070] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] mkdir("./41", 0777 <unfinished ...>
[pid  6072] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6071] <... set_robust_list resumed>) = 0
[pid  6070] <... bpf resumed>)          = 5
[pid  5855] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 42
[pid  5853] <... mkdir resumed>)        = 0
[pid  6072] <... set_robust_list resumed>) = 0
[pid  6071] chdir("./41" <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6072] chdir("./40" <unfinished ...>
[pid  6071] <... chdir resumed>)        = 0
[pid  5855] <... openat resumed>)       = 3
./strace-static-x86_64: Process 6073 attached
[pid  6072] <... chdir resumed>)        = 0
[pid  6071] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6070] close(3 <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  6070] <... close resumed>)        = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6073] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6072] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6071] <... prctl resumed>)        = 0
[pid  6070] close(4 <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 43
[pid  6070] <... close resumed>)        = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6070] close(5 <unfinished ...>
[pid  6073] <... set_robust_list resumed>) = 0
[pid  6072] <... prctl resumed>)        = 0
[pid  6071] setpgid(0, 0 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6073] chdir("./41" <unfinished ...>
[pid  6072] setpgid(0, 0 <unfinished ...>
[pid  6071] <... setpgid resumed>)      = 0
[pid  6070] <... close resumed>)        = 0
[pid  5855] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6072] <... setpgid resumed>)      = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6070] close(6 <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./40/binderfs",  <unfinished ...>
[pid  6070] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6070] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6070] close(8 <unfinished ...>
[pid  6073] <... chdir resumed>)        = 0
[pid  6072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6070] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6073] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6070] close(9 <unfinished ...>
[pid  5855] unlink("./40/binderfs" <unfinished ...>
[pid  6070] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6070] close(10 <unfinished ...>
[pid  6073] <... prctl resumed>)        = 0
[pid  6072] <... openat resumed>)       = 3
[pid  6071] <... openat resumed>)       = 3
[pid  6070] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... unlink resumed>)       = 0
[pid  6073] setpgid(0, 0 <unfinished ...>
[pid  6072] write(3, "1000", 4 <unfinished ...>
[pid  6071] write(3, "1000", 4 <unfinished ...>
[pid  6070] close(11 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6073] <... setpgid resumed>)      = 0
[pid  6071] <... write resumed>)        = 4
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6072] <... write resumed>)        = 4
[pid  6071] close(3 <unfinished ...>
[pid  6070] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] close(3 <unfinished ...>
[pid  6072] close(3 <unfinished ...>
[pid  6070] close(12 <unfinished ...>
[pid  6073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6072] <... close resumed>)        = 0
[pid  6071] <... close resumed>)        = 0
[pid  6070] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... close resumed>)        = 0
[pid  6073] <... openat resumed>)       = 3
[pid  6072] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6071] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6070] close(13 <unfinished ...>
[pid  5855] rmdir("./40" <unfinished ...>
[pid  6073] write(3, "1000", 4 <unfinished ...>
[pid  6072] <... symlink resumed>)      = 0
[pid  6071] <... symlink resumed>)      = 0
[pid  6070] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... rmdir resumed>)        = 0
executing program
[pid  6073] <... write resumed>)        = 4
[pid  6071] write(1, "executing program\n", 18 <unfinished ...>
[pid  5855] mkdir("./41", 0777 <unfinished ...>
[pid  6073] close(3 <unfinished ...>
executing program
[pid  6072] write(1, "executing program\n", 18 <unfinished ...>
[pid  6071] <... write resumed>)        = 18
[pid  6070] close(14 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  6072] <... write resumed>)        = 18
[pid  6070] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6072] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6070] close(15 <unfinished ...>
[pid  6073] <... close resumed>)        = 0
[pid  6071] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6070] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6073] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6072] <... bpf resumed>)          = 3
[pid  6071] <... bpf resumed>)          = 3
[pid  6070] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  6070] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  6070] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  6070] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  6070] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  6070] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  6070] close(22./strace-static-x86_64: Process 6074 attached
 <unfinished ...>
[pid  6071] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6070] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6073] <... symlink resumed>)      = 0
[pid  6072] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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, ...}, 144executing program
 <unfinished ...>
[pid  6071] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6074] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6073] write(1, "executing program\n", 18 <unfinished ...>
[pid  6071] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6070] close(23 <unfinished ...>
[pid  6074] <... set_robust_list resumed>) = 0
[pid  6073] <... write resumed>)        = 18
[pid  6072] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6070] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 43
[pid  6074] chdir("./41" <unfinished ...>
[pid  6070] close(24 <unfinished ...>
[pid  6074] <... chdir resumed>)        = 0
[pid  6073] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6072] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6070] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6074] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6073] <... bpf resumed>)          = 3
[pid  6071] <... bpf resumed>)          = 4
[pid  6070] close(25 <unfinished ...>
[pid  6074] <... prctl resumed>)        = 0
[pid  6070] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6074] setpgid(0, 0 <unfinished ...>
[pid  6070] close(26 <unfinished ...>
[pid  6074] <... setpgid resumed>)      = 0
[pid  6072] <... bpf resumed>)          = 4
[pid  6070] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6073] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6071] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6070] close(27 <unfinished ...>
[pid  6074] <... openat resumed>)       = 3
[pid  6073] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6072] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6070] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6074] write(3, "1000", 4 <unfinished ...>
[pid  6071] <... bpf resumed>)          = 5
[pid  6070] close(28 <unfinished ...>
[pid  6074] <... write resumed>)        = 4
[pid  6070] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6074] close(3 <unfinished ...>
[pid  6073] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6072] <... bpf resumed>)          = 5
[pid  6071] close(3 <unfinished ...>
[pid  6070] close(29 <unfinished ...>
[pid  6074] <... close resumed>)        = 0
[pid  6070] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6074] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6073] <... bpf resumed>)          = 4
[pid  6070] exit_group(0 <unfinished ...>
[pid  6074] <... symlink resumed>)      = 0
[pid  6073] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6072] close(3 <unfinished ...>
[pid  6071] <... close resumed>)        = 0
[pid  6070] <... exit_group resumed>)   = ?
executing program
[pid  6074] write(1, "executing program\n", 18 <unfinished ...>
[pid  6073] <... bpf resumed>)          = 5
[pid  6072] <... close resumed>)        = 0
[pid  6071] close(4 <unfinished ...>
[pid  6070] +++ exited with 0 +++
[pid  6074] <... write resumed>)        = 18
[pid  6071] <... close resumed>)        = 0
[pid  6074] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6073] close(3 <unfinished ...>
[pid  6072] close(4 <unfinished ...>
[pid  6071] close(5 <unfinished ...>
[pid  6073] <... close resumed>)        = 0
[pid  6072] <... close resumed>)        = 0
[pid  6074] <... bpf resumed>)          = 3
[pid  6071] <... close resumed>)        = 0
[pid  6072] close(5 <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  6074] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6073] close(4 <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6074] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6073] <... close resumed>)        = 0
[pid  6072] <... close resumed>)        = 0
[pid  6071] close(6 <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  6074] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6073] close(5 <unfinished ...>
[pid  6072] close(6 <unfinished ...>
[pid  6071] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6074] <... bpf resumed>)          = 4
[pid  6073] <... close resumed>)        = 0
[pid  6072] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6071] close(7 <unfinished ...>
[pid  6072] close(7 <unfinished ...>
[pid  6071] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6071] close(8 <unfinished ...>
[pid  6072] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6071] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6072] close(8 <unfinished ...>
[pid  6071] close(9 <unfinished ...>
[pid  5856] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6072] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6071] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6074] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6073] close(6 <unfinished ...>
[pid  6072] close(9 <unfinished ...>
[pid  6071] close(10 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6074] <... bpf resumed>)          = 5
[pid  6073] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6072] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6072] close(10 <unfinished ...>
[pid  6071] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6073] close(7 <unfinished ...>
[pid  6072] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6071] close(11 <unfinished ...>
[pid  6072] close(11 <unfinished ...>
[pid  6074] close(3 <unfinished ...>
[pid  6073] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... openat resumed>)       = 3
[pid  6074] <... close resumed>)        = 0
[pid  6073] close(8 <unfinished ...>
[pid  6072] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6071] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  6074] close(4 <unfinished ...>
[pid  6073] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6072] close(12 <unfinished ...>
[pid  6071] close(12 <unfinished ...>
[pid  6074] <... close resumed>)        = 0
[pid  6073] close(9 <unfinished ...>
[pid  6072] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6071] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6074] close(5 <unfinished ...>
[pid  6073] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6072] close(13 <unfinished ...>
[pid  6071] close(13 <unfinished ...>
[pid  6074] <... close resumed>)        = 0
[pid  6073] close(10 <unfinished ...>
[pid  6072] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6071] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6072] close(14 <unfinished ...>
[pid  6071] close(14 <unfinished ...>
[pid  6072] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6071] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6073] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6072] close(15 <unfinished ...>
[pid  6071] close(15 <unfinished ...>
[pid  6073] close(11 <unfinished ...>
[pid  6072] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6071] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6074] close(6 <unfinished ...>
[pid  6073] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6072] close(16 <unfinished ...>
[pid  6071] close(16 <unfinished ...>
[pid  5856] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6074] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6073] close(12 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6074] close(7 <unfinished ...>
[pid  6073] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6072] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6071] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] newfstatat(AT_FDCWD, "./41/binderfs",  <unfinished ...>
[pid  6074] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6073] close(13 <unfinished ...>
[pid  6072] close(17 <unfinished ...>
[pid  6071] close(17 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6074] close(8 <unfinished ...>
[pid  6073] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6072] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6071] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6074] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6073] close(14 <unfinished ...>
[pid  6071] close(18 <unfinished ...>
[pid  5856] unlink("./41/binderfs" <unfinished ...>
[pid  6074] close(9 <unfinished ...>
[pid  6073] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6072] close(18 <unfinished ...>
[pid  6071] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6074] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6073] close(15 <unfinished ...>
[pid  6072] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6071] close(19 <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  6074] close(10 <unfinished ...>
[pid  6073] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6072] close(19 <unfinished ...>
[pid  6071] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6074] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6073] close(16 <unfinished ...>
[pid  6072] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6071] close(20 <unfinished ...>
[pid  6074] close(11 <unfinished ...>
[pid  6073] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6072] close(20 <unfinished ...>
[pid  6071] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6074] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6073] close(17 <unfinished ...>
[pid  6072] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6071] close(21 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6074] close(12 <unfinished ...>
[pid  6073] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6072] close(21 <unfinished ...>
[pid  6071] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] close(3 <unfinished ...>
[pid  6074] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6073] close(18 <unfinished ...>
[pid  6072] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6071] close(22 <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  6074] close(13 <unfinished ...>
[pid  6073] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6072] close(22 <unfinished ...>
[pid  6071] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6074] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6073] close(19 <unfinished ...>
[pid  6072] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6071] close(23 <unfinished ...>
[pid  5856] rmdir("./41" <unfinished ...>
[pid  6074] close(14 <unfinished ...>
[pid  6073] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6072] close(23 <unfinished ...>
[pid  6071] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... rmdir resumed>)        = 0
[pid  6074] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6073] close(20 <unfinished ...>
[pid  6072] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6071] close(24 <unfinished ...>
[pid  6074] close(15 <unfinished ...>
[pid  6073] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] mkdir("./42", 0777 <unfinished ...>
[pid  6074] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6073] close(21 <unfinished ...>
[pid  6072] close(24 <unfinished ...>
[pid  6071] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6074] close(16 <unfinished ...>
[pid  6073] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6072] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6071] close(25 <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  6074] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6073] close(22 <unfinished ...>
[pid  6072] close(25 <unfinished ...>
[pid  6071] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6074] close(17 <unfinished ...>
[pid  6073] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6072] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6071] close(26 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6074] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6073] close(23 <unfinished ...>
[pid  6072] close(26 <unfinished ...>
[pid  6071] <... close resumed>)        = -1 EBADF (Bad file descriptor)
./strace-static-x86_64: Process 6075 attached
[pid  6074] close(18 <unfinished ...>
[pid  6073] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6072] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6071] close(27 <unfinished ...>
[pid  6072] close(27 <unfinished ...>
[pid  6071] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6072] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6075] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6074] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6073] close(24 <unfinished ...>
[pid  6071] close(28 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 44
[pid  6075] <... set_robust_list resumed>) = 0
[pid  6074] close(19 <unfinished ...>
[pid  6073] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6072] close(28 <unfinished ...>
[pid  6071] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6074] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6073] close(25 <unfinished ...>
[pid  6072] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6071] close(29 <unfinished ...>
[pid  6075] chdir("./42" <unfinished ...>
[pid  6074] close(20 <unfinished ...>
[pid  6073] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6072] close(29 <unfinished ...>
[pid  6071] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6075] <... chdir resumed>)        = 0
[pid  6074] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6073] close(26 <unfinished ...>
[pid  6072] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6075] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6074] close(21 <unfinished ...>
[pid  6073] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6074] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6073] close(27 <unfinished ...>
[pid  6071] exit_group(0 <unfinished ...>
[pid  6075] <... prctl resumed>)        = 0
[pid  6074] close(22 <unfinished ...>
[pid  6073] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6072] exit_group(0 <unfinished ...>
[pid  6074] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6073] close(28 <unfinished ...>
[pid  6074] close(23 <unfinished ...>
[pid  6073] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6074] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6073] close(29 <unfinished ...>
[pid  6074] close(24 <unfinished ...>
[pid  6073] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6074] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6073] exit_group(0 <unfinished ...>
[pid  6074] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  6075] setpgid(0, 0 <unfinished ...>
[pid  6074] close(26 <unfinished ...>
[pid  6073] <... exit_group resumed>)   = ?
[pid  6072] <... exit_group resumed>)   = ?
[pid  6071] <... exit_group resumed>)   = ?
[pid  6075] <... setpgid resumed>)      = 0
[pid  6074] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6073] +++ exited with 0 +++
[pid  6072] +++ exited with 0 +++
[pid  6071] +++ exited with 0 +++
[pid  6075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6074] close(27 <unfinished ...>
[pid  6075] <... openat resumed>)       = 3
[pid  6074] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  6074] close(28 <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6074] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6074] close(29 <unfinished ...>
[pid  5857] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6074] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6075] write(3, "1000", 4 <unfinished ...>
[pid  6074] exit_group(0 <unfinished ...>
[pid  5854] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6075] <... write resumed>)        = 4
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6075] close(3 <unfinished ...>
[pid  6074] <... exit_group resumed>)   = ?
[pid  5857] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6075] <... close resumed>)        = 0
[pid  6074] +++ exited with 0 +++
[pid  5857] <... openat resumed>)       = 3
executing program
[pid  6075] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5853] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6075] <... symlink resumed>)      = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6075] write(1, "executing program\n", 18 <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6075] <... write resumed>)        = 18
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6075] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6075] <... bpf resumed>)          = 3
[pid  5857] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6075] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5857] newfstatat(AT_FDCWD, "./41/binderfs",  <unfinished ...>
[pid  5854] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6075] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6075] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5857] unlink("./41/binderfs" <unfinished ...>
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6075] <... bpf resumed>)          = 4
[pid  5857] <... unlink resumed>)       = 0
[pid  5854] newfstatat(AT_FDCWD, "./40/binderfs",  <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  6075] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] newfstatat(AT_FDCWD, "./41/binderfs",  <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  6075] <... bpf resumed>)          = 5
[pid  5857] <... close resumed>)        = 0
[pid  5855] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6075] close(3 <unfinished ...>
[pid  5857] rmdir("./41" <unfinished ...>
[pid  5854] unlink("./40/binderfs" <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6075] <... close resumed>)        = 0
[pid  6075] close(4)                    = 0
[pid  5857] <... rmdir resumed>)        = 0
[pid  5855] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] unlink("./41/binderfs" <unfinished ...>
[pid  6075] close(5 <unfinished ...>
[pid  5857] mkdir("./42", 0777 <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5857] <... mkdir resumed>)        = 0
[pid  6075] <... close resumed>)        = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  6075] close(6 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] <... close resumed>)        = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6075] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] rmdir("./40" <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  6075] close(7 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6075] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... rmdir resumed>)        = 0
[pid  6075] close(8 <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  6075] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] mkdir("./41", 0777 <unfinished ...>
[pid  5853] rmdir("./41" <unfinished ...>
[pid  6075] close(9 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 6076 attached
[pid  6075] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] newfstatat(AT_FDCWD, "./41/binderfs",  <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] <... rmdir resumed>)        = 0
[pid  6076] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6075] close(10 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 44
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] mkdir("./42", 0777 <unfinished ...>
[pid  6076] <... set_robust_list resumed>) = 0
[pid  6075] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] unlink("./41/binderfs" <unfinished ...>
[pid  6075] close(11 <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
./strace-static-x86_64: Process 6077 attached
[pid  6075] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6076] chdir("./42" <unfinished ...>
[pid  6075] close(12 <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 43
[pid  6076] <... chdir resumed>)        = 0
[pid  6075] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6076] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6075] close(13 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6076] <... prctl resumed>)        = 0
[pid  6075] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] close(3./strace-static-x86_64: Process 6078 attached
 <unfinished ...>
[pid  6076] setpgid(0, 0 <unfinished ...>
[pid  6075] close(14 <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  6076] <... setpgid resumed>)      = 0
[pid  6075] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] rmdir("./41" <unfinished ...>
[pid  6078] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6077] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6075] close(15 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  6078] <... set_robust_list resumed>) = 0
[pid  6077] <... set_robust_list resumed>) = 0
[pid  6075] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 44
[pid  6075] close(16 <unfinished ...>
[pid  5855] mkdir("./42", 0777 <unfinished ...>
[pid  6078] chdir("./42" <unfinished ...>
[pid  6077] chdir("./41" <unfinished ...>
[pid  6076] <... openat resumed>)       = 3
[pid  6075] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... mkdir resumed>)        = 0
[pid  6075] close(17 <unfinished ...>
[pid  6077] <... chdir resumed>)        = 0
[pid  6075] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6078] <... chdir resumed>)        = 0
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6078] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6077] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6076] write(3, "1000", 4 <unfinished ...>
[pid  6075] close(18./strace-static-x86_64: Process 6079 attached
 <unfinished ...>
[pid  6078] <... prctl resumed>)        = 0
[pid  6077] <... prctl resumed>)        = 0
[pid  6076] <... write resumed>)        = 4
[pid  6075] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6078] setpgid(0, 0 <unfinished ...>
[pid  6077] setpgid(0, 0 <unfinished ...>
[pid  6075] close(19 <unfinished ...>
[pid  6079] <... set_robust_list resumed>) = 0
executing program
[pid  6078] <... setpgid resumed>)      = 0
[pid  6076] close(3 <unfinished ...>
[pid  6075] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 44
[pid  6079] chdir("./42" <unfinished ...>
[pid  6077] <... setpgid resumed>)      = 0
[pid  6076] <... close resumed>)        = 0
[pid  6075] close(20 <unfinished ...>
[pid  6079] <... chdir resumed>)        = 0
[pid  6078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6076] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6075] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6076] <... symlink resumed>)      = 0
[pid  6075] close(21 <unfinished ...>
[pid  6079] <... prctl resumed>)        = 0
[pid  6076] write(1, "executing program\n", 18 <unfinished ...>
[pid  6075] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] setpgid(0, 0 <unfinished ...>
[pid  6076] <... write resumed>)        = 18
[pid  6075] close(22 <unfinished ...>
[pid  6078] <... openat resumed>)       = 3
[pid  6079] <... setpgid resumed>)      = 0
[pid  6076] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6075] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6075] close(23 <unfinished ...>
[pid  6077] <... openat resumed>)       = 3
[pid  6075] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6076] <... bpf resumed>)          = 3
[pid  6075] close(24 <unfinished ...>
[pid  6079] <... openat resumed>)       = 3
[pid  6078] write(3, "1000", 4 <unfinished ...>
[pid  6077] write(3, "1000", 4 <unfinished ...>
[pid  6076] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6075] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] write(3, "1000", 4 <unfinished ...>
[pid  6078] <... write resumed>)        = 4
[pid  6077] <... write resumed>)        = 4
[pid  6076] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6075] close(25 <unfinished ...>
[pid  6079] <... write resumed>)        = 4
[pid  6078] close(3 <unfinished ...>
[pid  6077] close(3 <unfinished ...>
[pid  6076] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6075] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] close(3 <unfinished ...>
[pid  6078] <... close resumed>)        = 0
[pid  6077] <... close resumed>)        = 0
[pid  6076] <... bpf resumed>)          = 4
[pid  6075] close(26 <unfinished ...>
[pid  6079] <... close resumed>)        = 0
[pid  6078] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6077] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6075] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6075] close(27)                   = -1 EBADF (Bad file descriptor)
executing program
[pid  6079] <... symlink resumed>)      = 0
[pid  6075] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  6079] write(1, "executing program\n", 18 <unfinished ...>
[pid  6076] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6075] close(29 <unfinished ...>
[pid  6077] <... symlink resumed>)      = 0
[pid  6079] <... write resumed>)        = 18
[pid  6078] <... symlink resumed>)      = 0
executing program
executing program
[pid  6077] write(1, "executing program\n", 18 <unfinished ...>
[pid  6075] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6078] write(1, "executing program\n", 18 <unfinished ...>
[pid  6077] <... write resumed>)        = 18
[pid  6078] <... write resumed>)        = 18
[pid  6079] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6078] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6077] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6076] <... bpf resumed>)          = 5
[pid  6075] exit_group(0 <unfinished ...>
[pid  6079] <... bpf resumed>)          = 3
[pid  6078] <... bpf resumed>)          = 3
[pid  6077] <... bpf resumed>)          = 3
[pid  6075] <... exit_group resumed>)   = ?
[pid  6079] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6078] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6077] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6075] +++ exited with 0 +++
[pid  6079] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6078] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6076] close(3 <unfinished ...>
[pid  6077] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6079] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6078] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6076] <... close resumed>)        = 0
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6079] <... bpf resumed>)          = 4
[pid  6077] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6076] close(4 <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6079] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6078] <... bpf resumed>)          = 4
[pid  6076] <... close resumed>)        = 0
[pid  6079] <... bpf resumed>)          = 5
[pid  6077] <... bpf resumed>)          = 4
[pid  6076] close(5 <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  6079] close(3)                    = 0
[pid  6079] close(4 <unfinished ...>
[pid  6078] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6077] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6076] <... close resumed>)        = 0
[pid  6079] <... close resumed>)        = 0
[pid  6076] close(6 <unfinished ...>
[pid  6079] close(5 <unfinished ...>
[pid  6078] <... bpf resumed>)          = 5
[pid  6076] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6077] <... bpf resumed>)          = 5
[pid  5856] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6079] <... close resumed>)        = 0
[pid  6076] close(7 <unfinished ...>
[pid  6079] close(6 <unfinished ...>
[pid  6076] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6076] close(8 <unfinished ...>
[pid  6079] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  6076] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] close(8 <unfinished ...>
[pid  6076] close(9 <unfinished ...>
[pid  6079] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6076] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] close(9 <unfinished ...>
[pid  6076] close(10 <unfinished ...>
[pid  6079] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6076] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  6076] close(11 <unfinished ...>
[pid  6079] close(11 <unfinished ...>
[pid  6076] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6076] close(12 <unfinished ...>
[pid  6079] close(12 <unfinished ...>
[pid  6076] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6076] close(13 <unfinished ...>
[pid  6079] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  6076] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] close(14 <unfinished ...>
[pid  6076] close(14 <unfinished ...>
[pid  6079] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6076] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] close(15 <unfinished ...>
[pid  6076] close(15 <unfinished ...>
[pid  6079] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6076] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] close(16 <unfinished ...>
[pid  6076] close(16 <unfinished ...>
[pid  6079] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6076] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] close(17 <unfinished ...>
[pid  6076] close(17 <unfinished ...>
[pid  6079] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6076] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] close(18 <unfinished ...>
[pid  6076] close(18 <unfinished ...>
[pid  6079] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6076] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] close(19 <unfinished ...>
[pid  6076] close(19 <unfinished ...>
[pid  6079] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6076] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] close(20 <unfinished ...>
[pid  6076] close(20 <unfinished ...>
[pid  6079] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6076] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] close(21 <unfinished ...>
[pid  6076] close(21 <unfinished ...>
[pid  6079] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6076] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] close(22 <unfinished ...>
[pid  6076] close(22 <unfinished ...>
[pid  6079] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6076] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6078] close(3 <unfinished ...>
[pid  6077] close(3 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6078] <... close resumed>)        = 0
[pid  6077] <... close resumed>)        = 0
[pid  6079] close(23 <unfinished ...>
[pid  6078] close(4 <unfinished ...>
[pid  6077] close(4 <unfinished ...>
[pid  6076] close(23 <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6079] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6078] <... close resumed>)        = 0
[pid  6077] <... close resumed>)        = 0
[pid  6076] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] close(24 <unfinished ...>
[pid  6078] close(5 <unfinished ...>
[pid  6076] close(24 <unfinished ...>
[pid  6077] close(5 <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  6079] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6076] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] close(25 <unfinished ...>
[pid  6076] close(25 <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  6079] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6078] <... close resumed>)        = 0
[pid  6076] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] close(26 <unfinished ...>
[pid  6076] close(26 <unfinished ...>
[pid  6079] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6076] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6077] <... close resumed>)        = 0
[pid  6079] close(27 <unfinished ...>
[pid  6078] close(6 <unfinished ...>
[pid  6076] close(27 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6079] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6078] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6076] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] close(28 <unfinished ...>
[pid  6078] close(7 <unfinished ...>
[pid  6077] close(6 <unfinished ...>
[pid  6076] close(28 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6079] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6078] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6077] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6076] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6079] close(29 <unfinished ...>
[pid  6078] close(8 <unfinished ...>
[pid  6077] close(7 <unfinished ...>
[pid  6076] close(29 <unfinished ...>
[pid  5856] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6079] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6078] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6077] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6076] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6079] exit_group(0 <unfinished ...>
[pid  6078] close(9 <unfinished ...>
[pid  6077] close(8 <unfinished ...>
[pid  6076] exit_group(0 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6078] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6077] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] newfstatat(AT_FDCWD, "./42/binderfs",  <unfinished ...>
[pid  6078] close(10 <unfinished ...>
[pid  6077] close(9 <unfinished ...>
[pid  6079] <... exit_group resumed>)   = ?
[pid  6076] <... exit_group resumed>)   = ?
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6077] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6078] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6077] close(10 <unfinished ...>
[pid  5856] unlink("./42/binderfs" <unfinished ...>
[pid  6078] close(11 <unfinished ...>
[pid  6077] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6076] +++ exited with 0 +++
[pid  5856] <... unlink resumed>)       = 0
[pid  6078] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6077] close(11 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6079] +++ exited with 0 +++
[pid  6078] close(12 <unfinished ...>
[pid  6077] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6078] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6077] close(12 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] close(3 <unfinished ...>
[pid  6078] close(13 <unfinished ...>
[pid  6077] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... close resumed>)        = 0
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6078] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6077] close(13 <unfinished ...>
[pid  5856] rmdir("./42" <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5857] <... restart_syscall resumed>) = 0
[pid  6078] close(14 <unfinished ...>
[pid  6077] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... rmdir resumed>)        = 0
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6078] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6077] close(14 <unfinished ...>
[pid  5856] mkdir("./43", 0777 <unfinished ...>
[pid  6078] close(15 <unfinished ...>
[pid  6077] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6077] close(15 <unfinished ...>
[pid  5855] <... restart_syscall resumed>) = 0
[pid  6078] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6077] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  6078] close(16 <unfinished ...>
[pid  6077] close(16 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6077] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
./strace-static-x86_64: Process 6080 attached
[pid  6078] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6077] close(17 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6078] close(17 <unfinished ...>
[pid  6077] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6080] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6078] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6077] close(18 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 45
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  6080] <... set_robust_list resumed>) = 0
[pid  6078] close(18 <unfinished ...>
[pid  6077] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6078] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6077] close(19 <unfinished ...>
[pid  6078] close(19 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6078] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6077] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6078] close(20 <unfinished ...>
[pid  6077] close(20 <unfinished ...>
[pid  6078] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6077] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6078] close(21 <unfinished ...>
[pid  6077] close(21 <unfinished ...>
[pid  6080] chdir("./43" <unfinished ...>
[pid  6077] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6078] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6077] close(22 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6077] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6078] close(22 <unfinished ...>
[pid  6077] close(23 <unfinished ...>
[pid  6078] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6077] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(AT_FDCWD, "./42/binderfs",  <unfinished ...>
[pid  6080] <... chdir resumed>)        = 0
[pid  6078] close(23 <unfinished ...>
[pid  6077] close(24 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6077] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6077] close(25 <unfinished ...>
[pid  6080] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6078] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6077] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6080] <... prctl resumed>)        = 0
[pid  6078] close(24 <unfinished ...>
[pid  6077] close(26 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6077] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6078] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6077] close(27 <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./42/binderfs",  <unfinished ...>
[pid  5857] unlink("./42/binderfs" <unfinished ...>
[pid  6080] setpgid(0, 0 <unfinished ...>
[pid  6078] close(25 <unfinished ...>
[pid  6077] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... unlink resumed>)       = 0
[pid  6078] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6080] <... setpgid resumed>)      = 0
[pid  6077] close(28 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6078] close(26 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  6078] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6077] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] unlink("./42/binderfs" <unfinished ...>
[pid  6078] close(27 <unfinished ...>
[pid  6077] close(29 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6078] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6077] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] close(3 <unfinished ...>
[pid  6078] close(28 <unfinished ...>
[pid  6077] exit_group(0 <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  6080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  6078] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6078] close(29 <unfinished ...>
[pid  6077] <... exit_group resumed>)   = ?
[pid  5857] rmdir("./42")               = 0
[pid  6077] +++ exited with 0 +++
[pid  6078] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] mkdir("./43", 0777 <unfinished ...>
[pid  6080] <... openat resumed>)       = 3
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6078] exit_group(0 <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6080] write(3, "1000", 4 <unfinished ...>
[pid  6078] <... exit_group resumed>)   = ?
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] close(3 <unfinished ...>
[pid  6078] +++ exited with 0 +++
[pid  5855] <... close resumed>)        = 0
[pid  6080] <... write resumed>)        = 4
[pid  6080] close(3 <unfinished ...>
[pid  5855] rmdir("./42" <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6080] <... close resumed>)        = 0
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6080] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] <... restart_syscall resumed>) = 0
./strace-static-x86_64: Process 6081 attached
[pid  6080] <... symlink resumed>)      = 0
[pid  5855] mkdir("./43", 0777 <unfinished ...>
[pid  5853] <... restart_syscall resumed>) = 0
[pid  6081] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5854] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6081] <... set_robust_list resumed>) = 0
[pid  6081] chdir("./43" <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYexecuting program
 <unfinished ...>
[pid  6081] <... chdir resumed>)        = 0
[pid  6080] write(1, "executing program\n", 18 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 45
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... openat resumed>)       = 3
[pid  6081] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6080] <... write resumed>)        = 18
[pid  6081] <... prctl resumed>)        = 0
[pid  6080] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6081] setpgid(0, 0 <unfinished ...>
[pid  6080] <... bpf resumed>)          = 3
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  6080] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6081] <... setpgid resumed>)      = 0
[pid  6080] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
./strace-static-x86_64: Process 6082 attached
[pid  6081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6080] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6082] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6081] <... openat resumed>)       = 3
[pid  5853] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6082] <... set_robust_list resumed>) = 0
[pid  6080] <... bpf resumed>)          = 4
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 45
[pid  5854] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6082] chdir("./43" <unfinished ...>
[pid  6081] write(3, "1000", 4 <unfinished ...>
[pid  6080] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6082] <... chdir resumed>)        = 0
[pid  5853] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6082] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6081] <... write resumed>)        = 4
[pid  6080] <... bpf resumed>)          = 5
[pid  5854] newfstatat(AT_FDCWD, "./41/binderfs",  <unfinished ...>
[pid  6082] <... prctl resumed>)        = 0
[pid  6081] close(3 <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  6082] setpgid(0, 0 <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6082] <... setpgid resumed>)      = 0
[pid  6081] <... close resumed>)        = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6081] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6080] close(3 <unfinished ...>
[pid  5854] unlink("./41/binderfs" <unfinished ...>
[pid  6082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6081] <... symlink resumed>)      = 0
[pid  6080] <... close resumed>)        = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6081] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6080] close(4 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6081] <... write resumed>)        = 18
[pid  6080] <... close resumed>)        = 0
[pid  6081] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6080] close(5 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6082] <... openat resumed>)       = 3
[pid  5854] close(3 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6082] write(3, "1000", 4 <unfinished ...>
[pid  6081] <... bpf resumed>)          = 3
[pid  6080] <... close resumed>)        = 0
[pid  5854] <... close resumed>)        = 0
[pid  5853] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6082] <... write resumed>)        = 4
[pid  6081] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6082] close(3 <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6082] <... close resumed>)        = 0
[pid  5853] newfstatat(AT_FDCWD, "./42/binderfs",  <unfinished ...>
[pid  6082] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6081] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6080] close(6 <unfinished ...>
[pid  5854] rmdir("./41" <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6082] <... symlink resumed>)      = 0
[pid  6081] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144executing program
 <unfinished ...>
[pid  6080] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... rmdir resumed>)        = 0
[pid  6082] write(1, "executing program\n", 18 <unfinished ...>
[pid  6080] close(7 <unfinished ...>
[pid  5854] mkdir("./42", 0777 <unfinished ...>
[pid  5853] unlink("./42/binderfs" <unfinished ...>
[pid  6082] <... write resumed>)        = 18
[pid  6081] <... bpf resumed>)          = 4
[pid  6080] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  6082] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6082] <... bpf resumed>)          = 3
[pid  6081] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6080] close(8 <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6082] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6080] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] close(3 <unfinished ...>
[pid  6080] close(9 <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  6080] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] rmdir("./42" <unfinished ...>
[pid  6080] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  5853] <... rmdir resumed>)        = 0
[pid  5853] mkdir("./43", 0777./strace-static-x86_64: Process 6083 attached
 <unfinished ...>
[pid  6082] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6081] <... bpf resumed>)          = 5
[pid  6080] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  5853] <... mkdir resumed>)        = 0
[pid  6080] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 44
[pid  6081] close(3 <unfinished ...>
[pid  6080] close(13 <unfinished ...>
[pid  6081] <... close resumed>)        = 0
[pid  6080] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6081] close(4 <unfinished ...>
[pid  6080] close(14 <unfinished ...>
[pid  6081] <... close resumed>)        = 0
[pid  6080] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6080] close(15 <unfinished ...>
[pid  6081] close(5 <unfinished ...>
[pid  6080] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6081] <... close resumed>)        = 0
[pid  6080] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  6080] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  6080] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  6080] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  6080] close(20 <unfinished ...>
[pid  6081] close(6 <unfinished ...>
[pid  6080] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6081] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6080] close(21 <unfinished ...>
[pid  6081] close(7 <unfinished ...>
[pid  6080] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6081] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6080] close(22 <unfinished ...>
[pid  6081] close(8 <unfinished ...>
[pid  6080] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6081] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6080] close(23 <unfinished ...>
[pid  6081] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  6080] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6081] close(10 <unfinished ...>
[pid  6080] close(24 <unfinished ...>
[pid  6081] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6080] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6081] close(11 <unfinished ...>
[pid  6080] close(25 <unfinished ...>
[pid  6081] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6080] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6081] close(12 <unfinished ...>
[pid  6080] close(26 <unfinished ...>
[pid  6081] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6080] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6081] close(13 <unfinished ...>
[pid  6080] close(27 <unfinished ...>
[pid  6081] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6080] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6081] close(14 <unfinished ...>
[pid  6080] close(28 <unfinished ...>
[pid  6081] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6080] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6081] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  6080] close(29 <unfinished ...>
[pid  6081] close(16 <unfinished ...>
[pid  6080] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6081] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6080] exit_group(0 <unfinished ...>
[pid  6083] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6081] close(17 <unfinished ...>
[pid  6083] <... set_robust_list resumed>) = 0
[pid  6082] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6083] chdir("./42" <unfinished ...>
[pid  6081] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6080] <... exit_group resumed>)   = ?
[pid  6083] <... chdir resumed>)        = 0
[pid  6081] close(18 <unfinished ...>
[pid  6080] +++ exited with 0 +++
[pid  6082] <... bpf resumed>)          = 4
./strace-static-x86_64: Process 6084 attached
[pid  6083] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6082] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6081] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 45
[pid  6084] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6083] <... prctl resumed>)        = 0
[pid  6081] close(19 <unfinished ...>
[pid  6084] <... set_robust_list resumed>) = 0
[pid  6081] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6084] chdir("./43" <unfinished ...>
[pid  6083] setpgid(0, 0 <unfinished ...>
[pid  6081] close(20 <unfinished ...>
[pid  6083] <... setpgid resumed>)      = 0
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6082] <... bpf resumed>)          = 5
[pid  6084] <... chdir resumed>)        = 0
[pid  6081] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6082] close(3 <unfinished ...>
[pid  6081] close(21 <unfinished ...>
[pid  6084] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6082] <... close resumed>)        = 0
[pid  6081] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6084] <... prctl resumed>)        = 0
[pid  6082] close(4 <unfinished ...>
[pid  6081] close(22 <unfinished ...>
[pid  6084] setpgid(0, 0 <unfinished ...>
[pid  6083] <... openat resumed>)       = 3
[pid  6082] <... close resumed>)        = 0
[pid  6081] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6084] <... setpgid resumed>)      = 0
[pid  6083] write(3, "1000", 4 <unfinished ...>
[pid  6082] close(5 <unfinished ...>
[pid  6081] close(23 <unfinished ...>
[pid  6084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6081] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6084] <... openat resumed>)       = 3
[pid  6083] <... write resumed>)        = 4
[pid  6082] <... close resumed>)        = 0
[pid  6081] close(24 <unfinished ...>
[pid  6083] close(3 <unfinished ...>
[pid  6082] close(6 <unfinished ...>
[pid  6081] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6084] write(3, "1000", 4 <unfinished ...>
[pid  6082] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6081] close(25 <unfinished ...>
[pid  6084] <... write resumed>)        = 4
[pid  6083] <... close resumed>)        = 0
[pid  6082] close(7 <unfinished ...>
[pid  6081] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6084] close(3 <unfinished ...>
[pid  6082] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6081] close(26 <unfinished ...>
[pid  6084] <... close resumed>)        = 0
[pid  6081] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6084] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6083] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6082] close(8 <unfinished ...>
[pid  6081] close(27 <unfinished ...>
[pid  6084] <... symlink resumed>)      = 0
[pid  6082] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6081] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
executing program
[pid  6084] write(1, "executing program\n", 18 <unfinished ...>
[pid  6083] <... symlink resumed>)      = 0
[pid  6082] close(9 <unfinished ...>
[pid  6081] close(28 <unfinished ...>
[pid  6084] <... write resumed>)        = 18
[pid  6083] write(1, "executing program\n", 18 <unfinished ...>
[pid  6082] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6081] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6083] <... write resumed>)        = 18
[pid  6082] close(10 <unfinished ...>
[pid  6084] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6083] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6082] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6081] close(29 <unfinished ...>
[pid  6084] <... bpf resumed>)          = 3
[pid  6082] close(11 <unfinished ...>
[pid  6081] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6084] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6082] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6081] exit_group(0 <unfinished ...>
[pid  6083] <... bpf resumed>)          = 3
[pid  6084] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6083] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6082] close(12 <unfinished ...>
[pid  6081] <... exit_group resumed>)   = ?
[pid  6084] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6083] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6082] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6081] +++ exited with 0 +++
[pid  6084] <... bpf resumed>)          = 4
[pid  6083] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6082] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6082] close(14 <unfinished ...>
[pid  6084] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6082] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6082] close(15 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6084] <... bpf resumed>)          = 5
[pid  6082] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5857] <... restart_syscall resumed>) = 0
[pid  6082] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  6084] close(3 <unfinished ...>
[pid  6083] <... bpf resumed>)          = 4
[pid  6082] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  6082] close(18 <unfinished ...>
[pid  6084] <... close resumed>)        = 0
[pid  6083] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6082] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6084] close(4 <unfinished ...>
[pid  6083] <... bpf resumed>)          = 5
[pid  6082] close(19 <unfinished ...>
[pid  6084] <... close resumed>)        = 0
[pid  5857] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6082] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6082] close(20 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6082] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6082] close(21 <unfinished ...>
[pid  6084] close(5 <unfinished ...>
[pid  6083] close(3 <unfinished ...>
[pid  6082] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6084] <... close resumed>)        = 0
[pid  6083] <... close resumed>)        = 0
[pid  6082] close(22 <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5856] <... openat resumed>)       = 3
[pid  6084] close(6 <unfinished ...>
[pid  6083] close(4 <unfinished ...>
[pid  6084] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6083] <... close resumed>)        = 0
[pid  6082] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  6084] close(7 <unfinished ...>
[pid  6083] close(5 <unfinished ...>
[pid  6082] close(23 <unfinished ...>
[pid  6084] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6083] <... close resumed>)        = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6084] close(8 <unfinished ...>
[pid  6082] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6084] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6083] close(6 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6084] close(9 <unfinished ...>
[pid  6083] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6084] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6083] close(7 <unfinished ...>
[pid  6082] close(24 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6084] close(10 <unfinished ...>
[pid  6083] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6082] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6082] close(25 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6084] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6083] close(8 <unfinished ...>
[pid  6082] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6084] close(11 <unfinished ...>
[pid  6083] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(AT_FDCWD, "./43/binderfs",  <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./43/binderfs",  <unfinished ...>
[pid  6084] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6083] close(9 <unfinished ...>
[pid  6082] close(26 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6084] close(12 <unfinished ...>
[pid  6083] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6082] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6084] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6083] close(10 <unfinished ...>
[pid  6082] close(27 <unfinished ...>
[pid  5857] unlink("./43/binderfs" <unfinished ...>
[pid  6084] close(13 <unfinished ...>
[pid  6083] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6082] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] unlink("./43/binderfs" <unfinished ...>
[pid  6084] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6083] close(11 <unfinished ...>
[pid  6082] close(28 <unfinished ...>
[pid  6084] close(14 <unfinished ...>
[pid  6083] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6082] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  6084] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6083] close(12 <unfinished ...>
[pid  6082] close(29 <unfinished ...>
[pid  6084] close(15 <unfinished ...>
[pid  6083] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6084] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6083] close(13 <unfinished ...>
[pid  6082] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] close(3 <unfinished ...>
[pid  6084] close(16 <unfinished ...>
[pid  6083] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6082] exit_group(0 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  6084] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6083] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  6084] close(17 <unfinished ...>
[pid  6083] close(15 <unfinished ...>
[pid  6082] <... exit_group resumed>)   = ?
[pid  5857] rmdir("./43" <unfinished ...>
[pid  6084] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6083] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] getdents64(3, 0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] close(3)                    = 0
[pid  5856] rmdir("./43" <unfinished ...>
[pid  6082] +++ exited with 0 +++
[pid  6084] close(18 <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  6084] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6083] close(16 <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] mkdir("./44", 0777 <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  6084] close(19 <unfinished ...>
[pid  6083] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6084] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6083] close(17 <unfinished ...>
[pid  5857] mkdir("./44", 0777 <unfinished ...>
[pid  6084] close(20 <unfinished ...>
[pid  6083] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... mkdir resumed>)        = 0
[pid  6084] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6083] close(18 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6085 attached
 <unfinished ...>
[pid  6084] close(21 <unfinished ...>
[pid  6083] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6084] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6083] close(19 <unfinished ...>
[pid  6084] close(22 <unfinished ...>
[pid  6083] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6084] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6083] close(20 <unfinished ...>
[pid  6084] close(23 <unfinished ...>
[pid  6083] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6084] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6083] close(21 <unfinished ...>
[pid  6084] close(24 <unfinished ...>
[pid  6083] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6084] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6083] close(22 <unfinished ...>
[pid  6084] close(25 <unfinished ...>
[pid  6083] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6084] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6083] close(23 <unfinished ...>
[pid  6084] close(26 <unfinished ...>
[pid  6083] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6084] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6083] close(24 <unfinished ...>
[pid  6084] close(27 <unfinished ...>
[pid  6083] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6085] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 46
[pid  6085] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 6086 attached
[pid  6085] chdir("./44" <unfinished ...>
[pid  6084] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6083] close(25 <unfinished ...>
[pid  6085] <... chdir resumed>)        = 0
[pid  6084] close(28 <unfinished ...>
[pid  6083] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 46
[pid  6086] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6085] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6084] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6083] close(26 <unfinished ...>
[pid  6086] <... set_robust_list resumed>) = 0
[pid  6085] <... prctl resumed>)        = 0
[pid  6084] close(29 <unfinished ...>
[pid  6083] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6085] setpgid(0, 0 <unfinished ...>
[pid  6084] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6083] close(27 <unfinished ...>
[pid  6085] <... setpgid resumed>)      = 0
[pid  6085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6084] exit_group(0 <unfinished ...>
[pid  6083] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6086] chdir("./44" <unfinished ...>
[pid  6085] <... openat resumed>)       = 3
[pid  6084] <... exit_group resumed>)   = ?
[pid  6083] close(28 <unfinished ...>
[pid  6086] <... chdir resumed>)        = 0
[pid  6085] write(3, "1000", 4 <unfinished ...>
[pid  6083] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6086] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6085] <... write resumed>)        = 4
[pid  6083] close(29 <unfinished ...>
[pid  6086] <... prctl resumed>)        = 0
[pid  6085] close(3 <unfinished ...>
[pid  6083] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6086] setpgid(0, 0 <unfinished ...>
[pid  6085] <... close resumed>)        = 0
[pid  6084] +++ exited with 0 +++
[pid  6083] exit_group(0 <unfinished ...>
[pid  5855] <... restart_syscall resumed>) = 0
[pid  6086] <... setpgid resumed>)      = 0
[pid  6085] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6083] <... exit_group resumed>)   = ?
[pid  6085] <... symlink resumed>)      = 0
executing program
[pid  6085] write(1, "executing program\n", 18 <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6085] <... write resumed>)        = 18
[pid  6083] +++ exited with 0 +++
[pid  6086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5853] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6086] <... openat resumed>)       = 3
[pid  6085] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6086] write(3, "1000", 4 <unfinished ...>
[pid  6085] <... bpf resumed>)          = 3
[pid  5855] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6086] <... write resumed>)        = 4
[pid  6085] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5854] <... restart_syscall resumed>) = 0
[pid  5853] <... openat resumed>)       = 3
[pid  6086] close(3 <unfinished ...>
[pid  6085] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5855] <... openat resumed>)       = 3
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6086] <... close resumed>)        = 0
[pid  6085] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  6086] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6086] <... symlink resumed>)      = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] getdents64(3, 0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6086] write(1, "executing program\n", 18 <unfinished ...>
[pid  6085] <... bpf resumed>)          = 4
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./43/binderfs", executing program
 <unfinished ...>
[pid  6086] <... write resumed>)        = 18
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6085] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6086] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6086] <... bpf resumed>)          = 3
[pid  6085] <... bpf resumed>)          = 5
[pid  5855] unlink("./43/binderfs" <unfinished ...>
[pid  6086] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6085] close(3 <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] <... openat resumed>)       = 3
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6086] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6085] <... close resumed>)        = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./43/binderfs",  <unfinished ...>
[pid  6086] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6085] close(4 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] close(3 <unfinished ...>
[pid  6086] <... bpf resumed>)          = 4
[pid  6085] <... close resumed>)        = 0
[pid  5855] <... close resumed>)        = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] unlink("./43/binderfs" <unfinished ...>
[pid  6086] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6085] close(5 <unfinished ...>
[pid  5855] rmdir("./43" <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6086] <... bpf resumed>)          = 5
[pid  6085] <... close resumed>)        = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] unlink("./42/binderfs" <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  6086] close(3 <unfinished ...>
[pid  6085] close(6 <unfinished ...>
[pid  5855] mkdir("./44", 0777 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6086] <... close resumed>)        = 0
[pid  6085] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  6086] close(4 <unfinished ...>
[pid  6085] close(7 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  6086] <... close resumed>)        = 0
[pid  6085] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] close(3 <unfinished ...>
[pid  5853] rmdir("./43" <unfinished ...>
[pid  6086] close(5 <unfinished ...>
[pid  6085] close(8 <unfinished ...>
[pid  5854] <... close resumed>)        = 0
./strace-static-x86_64: Process 6087 attached
[pid  6087] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6086] <... close resumed>)        = 0
[pid  6085] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 46
[pid  5853] <... rmdir resumed>)        = 0
[pid  5854] rmdir("./42" <unfinished ...>
[pid  6085] close(9 <unfinished ...>
[pid  6086] close(6 <unfinished ...>
[pid  6085] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6086] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6085] close(10 <unfinished ...>
[pid  6086] close(7 <unfinished ...>
[pid  6085] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6086] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6085] close(11 <unfinished ...>
[pid  6086] close(8 <unfinished ...>
[pid  6085] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6086] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6085] close(12 <unfinished ...>
[pid  6086] close(9 <unfinished ...>
[pid  6085] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6086] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6085] close(13 <unfinished ...>
[pid  6086] close(10 <unfinished ...>
[pid  6085] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6086] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6085] close(14 <unfinished ...>
[pid  6086] close(11 <unfinished ...>
[pid  6085] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6086] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6085] close(15 <unfinished ...>
[pid  6086] close(12 <unfinished ...>
[pid  6085] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6086] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6085] close(16 <unfinished ...>
[pid  6086] close(13 <unfinished ...>
[pid  6085] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6086] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6085] close(17 <unfinished ...>
[pid  6086] close(14 <unfinished ...>
[pid  6085] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6086] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6085] close(18 <unfinished ...>
[pid  6086] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  6085] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6086] close(16 <unfinished ...>
[pid  6085] close(19 <unfinished ...>
[pid  6086] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6085] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6086] close(17 <unfinished ...>
[pid  6085] close(20 <unfinished ...>
[pid  6086] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6085] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6086] close(18 <unfinished ...>
[pid  6085] close(21 <unfinished ...>
[pid  6086] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6085] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6086] close(19 <unfinished ...>
[pid  6085] close(22 <unfinished ...>
[pid  6086] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6085] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6086] close(20 <unfinished ...>
[pid  6085] close(23 <unfinished ...>
[pid  6086] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6085] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6086] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  6085] close(24 <unfinished ...>
[pid  6086] close(22 <unfinished ...>
[pid  6085] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6086] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6085] close(25 <unfinished ...>
[pid  6086] close(23 <unfinished ...>
[pid  6085] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6086] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6085] close(26 <unfinished ...>
[pid  6086] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  6085] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6086] close(25 <unfinished ...>
[pid  6085] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  6086] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6085] close(28 <unfinished ...>
[pid  6086] close(26 <unfinished ...>
[pid  6085] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6086] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6086] close(27 <unfinished ...>
[pid  6085] close(29 <unfinished ...>
[pid  6086] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6085] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6086] close(28 <unfinished ...>
[pid  6085] exit_group(0 <unfinished ...>
[pid  6087] <... set_robust_list resumed>) = 0
[pid  6086] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6086] close(29 <unfinished ...>
[pid  6085] <... exit_group resumed>)   = ?
[pid  5854] <... rmdir resumed>)        = 0
[pid  6087] chdir("./44" <unfinished ...>
[pid  6086] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] mkdir("./43", 0777 <unfinished ...>
[pid  5853] mkdir("./44", 0777 <unfinished ...>
[pid  6087] <... chdir resumed>)        = 0
[pid  6086] exit_group(0 <unfinished ...>
[pid  6085] +++ exited with 0 +++
[pid  5854] <... mkdir resumed>)        = 0
[pid  6086] <... exit_group resumed>)   = ?
[pid  6087] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6087] <... prctl resumed>)        = 0
[pid  6086] +++ exited with 0 +++
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6087] setpgid(0, 0 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5857] restart_syscall(<... resuming interrupted clone ...>) = 0
./strace-static-x86_64: Process 6089 attached
./strace-static-x86_64: Process 6088 attached
[pid  6087] <... setpgid resumed>)      = 0
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5857] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6089] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6088] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5856] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 45
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 46
[pid  6089] <... set_robust_list resumed>) = 0
[pid  6088] <... set_robust_list resumed>) = 0
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6087] <... openat resumed>)       = 3
[pid  5857] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6089] chdir("./44" <unfinished ...>
[pid  6088] chdir("./43" <unfinished ...>
[pid  6087] write(3, "1000", 4 <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5856] <... openat resumed>)       = 3
[pid  6088] <... chdir resumed>)        = 0
[pid  6087] <... write resumed>)        = 4
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  6089] <... chdir resumed>)        = 0
[pid  6088] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6087] close(3 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6089] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6087] <... close resumed>)        = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  6089] <... prctl resumed>)        = 0
[pid  6088] <... prctl resumed>)        = 0
[pid  6087] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6089] setpgid(0, 0 <unfinished ...>
[pid  5857] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6087] <... symlink resumed>)      = 0
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./44/binderfs",  <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6089] <... setpgid resumed>)      = 0
[pid  6088] setpgid(0, 0 <unfinished ...>
[pid  6087] write(1, "executing program\n", 18 <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./44/binderfs", executing program
 <unfinished ...>
[pid  6089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6088] <... setpgid resumed>)      = 0
[pid  6087] <... write resumed>)        = 18
[pid  5857] unlink("./44/binderfs" <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6087] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  6089] <... openat resumed>)       = 3
[pid  6088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6087] <... bpf resumed>)          = 3
[pid  5856] unlink("./44/binderfs" <unfinished ...>
[pid  5857] getdents64(3, 0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6089] write(3, "1000", 4 <unfinished ...>
[pid  6088] <... openat resumed>)       = 3
[pid  6087] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5857] close(3 <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  6089] <... write resumed>)        = 4
[pid  6088] write(3, "1000", 4)         = 4
[pid  5857] <... close resumed>)        = 0
[pid  6089] close(3 <unfinished ...>
[pid  6088] close(3 <unfinished ...>
[pid  6087] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5857] rmdir("./44" <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6089] <... close resumed>)        = 0
[pid  6088] <... close resumed>)        = 0
[pid  6087] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6089] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6088] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5857] mkdir("./45", 0777)         = 0
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6089] <... symlink resumed>)      = 0
[pid  6088] <... symlink resumed>)      = 0
[pid  6087] <... bpf resumed>)          = 4
[pid  5856] close(3 <unfinished ...>
[pid  6088] write(1, "executing program\n", 18executing program
) = 18
[pid  6087] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5856] <... close resumed>)        = 0
executing program
./strace-static-x86_64: Process 6090 attached
[pid  6089] write(1, "executing program\n", 18 <unfinished ...>
[pid  6088] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5856] rmdir("./44" <unfinished ...>
[pid  6090] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6089] <... write resumed>)        = 18
[pid  6088] <... bpf resumed>)          = 3
[pid  6087] <... bpf resumed>)          = 5
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 47
[pid  6090] <... set_robust_list resumed>) = 0
[pid  6089] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6088] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5856] <... rmdir resumed>)        = 0
[pid  6090] chdir("./45" <unfinished ...>
[pid  6089] <... bpf resumed>)          = 3
[pid  6088] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6087] close(3 <unfinished ...>
[pid  6090] <... chdir resumed>)        = 0
[pid  6089] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6088] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6087] <... close resumed>)        = 0
[pid  5856] mkdir("./45", 0777 <unfinished ...>
[pid  6090] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6089] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6088] <... bpf resumed>)          = 4
[pid  6087] close(4 <unfinished ...>
[pid  6089] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6088] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6087] <... close resumed>)        = 0
[pid  5856] <... mkdir resumed>)        = 0
[pid  6090] <... prctl resumed>)        = 0
[pid  6088] <... bpf resumed>)          = 5
[pid  6087] close(5 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6090] setpgid(0, 0 <unfinished ...>
[pid  6088] close(3./strace-static-x86_64: Process 6091 attached
 <unfinished ...>
[pid  6090] <... setpgid resumed>)      = 0
[pid  6089] <... bpf resumed>)          = 4
[pid  6088] <... close resumed>)        = 0
[pid  6087] <... close resumed>)        = 0
[pid  6091] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6089] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6088] close(4 <unfinished ...>
[pid  6087] close(6 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 47
[pid  6091] <... set_robust_list resumed>) = 0
[pid  6088] <... close resumed>)        = 0
[pid  6087] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] chdir("./45" <unfinished ...>
[pid  6088] close(5 <unfinished ...>
[pid  6087] close(7 <unfinished ...>
[pid  6089] <... bpf resumed>)          = 5
[pid  6087] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6087] close(8 <unfinished ...>
[pid  6091] <... chdir resumed>)        = 0
[pid  6090] <... openat resumed>)       = 3
[pid  6087] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6089] close(3 <unfinished ...>
[pid  6088] <... close resumed>)        = 0
[pid  6091] <... prctl resumed>)        = 0
[pid  6090] write(3, "1000", 4 <unfinished ...>
[pid  6089] <... close resumed>)        = 0
[pid  6087] close(9 <unfinished ...>
[pid  6090] <... write resumed>)        = 4
[pid  6089] close(4 <unfinished ...>
[pid  6090] close(3 <unfinished ...>
[pid  6089] <... close resumed>)        = 0
[pid  6090] <... close resumed>)        = 0
[pid  6089] close(5 <unfinished ...>
[pid  6091] setpgid(0, 0 <unfinished ...>
[pid  6090] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6089] <... close resumed>)        = 0
[pid  6088] close(6 <unfinished ...>
[pid  6087] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] <... setpgid resumed>)      = 0
[pid  6088] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6087] close(10 <unfinished ...>
[pid  6091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6090] <... symlink resumed>)      = 0
[pid  6088] close(7 <unfinished ...>
[pid  6087] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6090] write(1, "executing program\n", 18 <unfinished ...>
[pid  6088] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6087] close(11 <unfinished ...>
[pid  6088] close(8 <unfinished ...>
[pid  6087] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6088] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  6087] close(12 <unfinished ...>
[pid  6088] close(9 <unfinished ...>
[pid  6087] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6090] <... write resumed>)        = 18
[pid  6089] close(6 <unfinished ...>
[pid  6087] close(13 <unfinished ...>
[pid  6090] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6089] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6087] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] <... openat resumed>)       = 3
[pid  6090] <... bpf resumed>)          = 3
[pid  6089] close(7 <unfinished ...>
[pid  6088] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6087] close(14 <unfinished ...>
[pid  6090] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6091] write(3, "1000", 4 <unfinished ...>
[pid  6089] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6088] close(10 <unfinished ...>
[pid  6087] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] <... write resumed>)        = 4
[pid  6090] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6089] close(8 <unfinished ...>
[pid  6087] close(15 <unfinished ...>
[pid  6091] close(3 <unfinished ...>
[pid  6090] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6089] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6088] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] <... close resumed>)        = 0
[pid  6090] <... bpf resumed>)          = 4
[pid  6089] close(9 <unfinished ...>
[pid  6087] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6088] close(11 <unfinished ...>
[pid  6087] close(16 <unfinished ...>
[pid  6089] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6088] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6087] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6089] close(10 <unfinished ...>
[pid  6088] close(12 <unfinished ...>
[pid  6087] close(17 <unfinished ...>
[pid  6091] <... symlink resumed>)      = 0
[pid  6089] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6088] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6087] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] write(1, "executing program\n", 18 <unfinished ...>
[pid  6090] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16executing program
 <unfinished ...>
[pid  6089] close(11 <unfinished ...>
[pid  6088] close(13 <unfinished ...>
[pid  6087] close(18 <unfinished ...>
[pid  6091] <... write resumed>)        = 18
[pid  6089] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6088] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6087] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6088] close(14 <unfinished ...>
[pid  6087] close(19 <unfinished ...>
[pid  6088] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6087] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6088] close(15 <unfinished ...>
[pid  6087] close(20 <unfinished ...>
[pid  6091] <... bpf resumed>)          = 3
[pid  6088] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6087] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6088] close(16 <unfinished ...>
[pid  6087] close(21 <unfinished ...>
[pid  6091] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6090] <... bpf resumed>)          = 5
[pid  6089] close(12 <unfinished ...>
[pid  6088] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6087] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6090] close(3 <unfinished ...>
[pid  6089] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6087] close(22 <unfinished ...>
[pid  6088] close(17 <unfinished ...>
[pid  6091] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6090] <... close resumed>)        = 0
[pid  6089] close(13 <unfinished ...>
[pid  6087] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6088] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6090] close(4 <unfinished ...>
[pid  6089] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6087] close(23 <unfinished ...>
[pid  6088] close(18 <unfinished ...>
[pid  6091] <... bpf resumed>)          = 4
[pid  6090] <... close resumed>)        = 0
[pid  6089] close(14 <unfinished ...>
[pid  6087] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6088] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6090] close(5 <unfinished ...>
[pid  6089] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6088] close(19 <unfinished ...>
[pid  6087] close(24 <unfinished ...>
[pid  6091] <... bpf resumed>)          = 5
[pid  6090] <... close resumed>)        = 0
[pid  6089] close(15 <unfinished ...>
[pid  6088] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6087] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] close(3 <unfinished ...>
[pid  6089] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6088] close(20 <unfinished ...>
[pid  6087] close(25 <unfinished ...>
[pid  6091] <... close resumed>)        = 0
[pid  6089] close(16 <unfinished ...>
[pid  6088] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6087] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] close(4 <unfinished ...>
[pid  6090] close(6 <unfinished ...>
[pid  6089] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6088] close(21 <unfinished ...>
[pid  6087] close(26 <unfinished ...>
[pid  6091] <... close resumed>)        = 0
[pid  6090] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6089] close(17 <unfinished ...>
[pid  6088] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6087] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] close(5 <unfinished ...>
[pid  6090] close(7 <unfinished ...>
[pid  6089] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6088] close(22 <unfinished ...>
[pid  6087] close(27 <unfinished ...>
[pid  6091] <... close resumed>)        = 0
[pid  6090] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6089] close(18 <unfinished ...>
[pid  6088] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] close(6 <unfinished ...>
[pid  6090] close(8 <unfinished ...>
[pid  6089] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6087] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6090] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6089] close(19 <unfinished ...>
[pid  6088] close(23 <unfinished ...>
[pid  6091] close(7 <unfinished ...>
[pid  6090] close(9 <unfinished ...>
[pid  6089] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6087] close(28 <unfinished ...>
[pid  6091] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6090] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6089] close(20 <unfinished ...>
[pid  6088] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] close(8 <unfinished ...>
[pid  6090] close(10 <unfinished ...>
[pid  6089] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6087] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6090] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6089] close(21 <unfinished ...>
[pid  6090] close(11 <unfinished ...>
[pid  6089] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6090] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6089] close(22 <unfinished ...>
[pid  6090] close(12 <unfinished ...>
[pid  6089] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6090] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6089] close(23 <unfinished ...>
[pid  6091] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6090] close(13 <unfinished ...>
[pid  6089] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6088] close(24 <unfinished ...>
[pid  6087] close(29 <unfinished ...>
[pid  6091] close(9 <unfinished ...>
[pid  6090] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6089] close(24 <unfinished ...>
[pid  6088] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6087] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6090] close(14 <unfinished ...>
[pid  6089] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6088] close(25 <unfinished ...>
[pid  6091] close(10 <unfinished ...>
[pid  6090] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6089] close(25 <unfinished ...>
[pid  6088] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6087] exit_group(0 <unfinished ...>
[pid  6091] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6090] close(15 <unfinished ...>
[pid  6089] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6088] close(26 <unfinished ...>
[pid  6087] <... exit_group resumed>)   = ?
[pid  6091] close(11 <unfinished ...>
[pid  6090] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6089] close(26 <unfinished ...>
[pid  6088] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6090] close(16 <unfinished ...>
[pid  6089] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6088] close(27 <unfinished ...>
[pid  6091] close(12 <unfinished ...>
[pid  6090] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6089] close(27 <unfinished ...>
[pid  6088] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6090] close(17 <unfinished ...>
[pid  6089] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6088] close(28 <unfinished ...>
[pid  6091] close(13 <unfinished ...>
[pid  6090] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6089] close(28 <unfinished ...>
[pid  6088] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6090] close(18 <unfinished ...>
[pid  6089] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6088] close(29 <unfinished ...>
[pid  6091] close(14 <unfinished ...>
[pid  6090] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6089] close(29 <unfinished ...>
[pid  6088] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6090] close(19 <unfinished ...>
[pid  6089] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] close(15 <unfinished ...>
[pid  6090] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6089] exit_group(0 <unfinished ...>
[pid  6088] exit_group(0 <unfinished ...>
[pid  6091] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6090] close(20 <unfinished ...>
[pid  6089] <... exit_group resumed>)   = ?
[pid  6088] <... exit_group resumed>)   = ?
[pid  6091] close(16 <unfinished ...>
[pid  6090] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6089] +++ exited with 0 +++
[pid  6087] +++ exited with 0 +++
[pid  6091] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6091] close(17 <unfinished ...>
[pid  6090] close(21 <unfinished ...>
[pid  6088] +++ exited with 0 +++
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6091] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6090] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] close(18 <unfinished ...>
[pid  6090] close(22 <unfinished ...>
[pid  6091] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6090] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] close(19 <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6091] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6090] close(23 <unfinished ...>
[pid  5855] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6091] close(20 <unfinished ...>
[pid  6090] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6091] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] close(21 <unfinished ...>
[pid  6090] close(24 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6090] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6091] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6090] close(25 <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] <... openat resumed>)       = 3
[pid  5853] <... openat resumed>)       = 3
[pid  6091] close(22 <unfinished ...>
[pid  6090] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  6091] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6090] close(26 <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6091] close(23 <unfinished ...>
[pid  6090] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6091] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6090] close(27 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6091] close(24 <unfinished ...>
[pid  6090] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6091] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6091] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  6090] close(28 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6091] close(26 <unfinished ...>
[pid  6090] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6091] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6090] close(29 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6091] close(27 <unfinished ...>
[pid  6090] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] newfstatat(AT_FDCWD, "./44/binderfs",  <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] newfstatat(AT_FDCWD, "./44/binderfs",  <unfinished ...>
[pid  6091] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6090] exit_group(0 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] newfstatat(AT_FDCWD, "./43/binderfs",  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6091] close(28 <unfinished ...>
[pid  6090] <... exit_group resumed>)   = ?
[pid  5855] unlink("./44/binderfs" <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] unlink("./44/binderfs" <unfinished ...>
[pid  6091] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6090] +++ exited with 0 +++
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] unlink("./43/binderfs" <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  6091] close(29 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6091] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6091] exit_group(0 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] close(3 <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5855] rmdir("./44" <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  6091] <... exit_group resumed>)   = ?
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] rmdir("./44" <unfinished ...>
[pid  6091] +++ exited with 0 +++
[pid  5855] mkdir("./45", 0777 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] close(3 <unfinished ...>
[pid  5856] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] rmdir("./43" <unfinished ...>
[pid  5857] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] mkdir("./45", 0777./strace-static-x86_64: Process 6092 attached
 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  5857] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6092] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5854] mkdir("./44", 0777./strace-static-x86_64: Process 6093 attached
 <unfinished ...>
[pid  6092] <... set_robust_list resumed>) = 0
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 47
[pid  6092] chdir("./45" <unfinished ...>
[pid  6093] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 47
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5857] newfstatat(AT_FDCWD, "./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
./strace-static-x86_64: Process 6094 attached
[pid  6093] <... set_robust_list resumed>) = 0
[pid  6092] <... chdir resumed>)        = 0
[pid  5857] unlink("./45/binderfs" <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6094] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6093] chdir("./45" <unfinished ...>
[pid  6092] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6094] <... set_robust_list resumed>) = 0
[pid  6093] <... chdir resumed>)        = 0
[pid  6092] <... prctl resumed>)        = 0
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 46
[pid  6094] chdir("./44" <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6093] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6092] setpgid(0, 0 <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./45/binderfs",  <unfinished ...>
[pid  6094] <... chdir resumed>)        = 0
[pid  6093] <... prctl resumed>)        = 0
[pid  6092] <... setpgid resumed>)      = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6094] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6093] setpgid(0, 0 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6094] <... prctl resumed>)        = 0
[pid  6092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] unlink("./45/binderfs" <unfinished ...>
[pid  6093] <... setpgid resumed>)      = 0
[pid  6094] setpgid(0, 0 <unfinished ...>
[pid  5857] rmdir("./45" <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  6094] <... setpgid resumed>)      = 0
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6092] <... openat resumed>)       = 3
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6093] <... openat resumed>)       = 3
[pid  5857] mkdir("./46", 0777 <unfinished ...>
[pid  6094] <... openat resumed>)       = 3
[pid  6093] write(3, "1000", 4 <unfinished ...>
[pid  6092] write(3, "1000", 4 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] close(3 <unfinished ...>
[pid  6094] write(3, "1000", 4)         = 4
[pid  6093] <... write resumed>)        = 4
[pid  6092] <... write resumed>)        = 4
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  6094] close(3 <unfinished ...>
[pid  6093] close(3 <unfinished ...>
[pid  6092] close(3 <unfinished ...>
[pid  5856] rmdir("./45" <unfinished ...>
[pid  6093] <... close resumed>)        = 0
[pid  6092] <... close resumed>)        = 0
[pid  6094] <... close resumed>)        = 0
[pid  6093] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6092] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
./strace-static-x86_64: Process 6095 attached
[pid  6094] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  6094] write(1, "executing program\n", 18 <unfinished ...>
[pid  6095] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6094] <... write resumed>)        = 18
[pid  6093] <... symlink resumed>)      = 0
[pid  6092] <... symlink resumed>)      = 0
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 48
[pid  5856] mkdir("./46", 0777 <unfinished ...>
executing program
executing program
[pid  6094] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6095] <... set_robust_list resumed>) = 0
[pid  6093] write(1, "executing program\n", 18 <unfinished ...>
[pid  6092] write(1, "executing program\n", 18 <unfinished ...>
[pid  6094] <... bpf resumed>)          = 3
[pid  6095] chdir("./46" <unfinished ...>
[pid  6094] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6093] <... write resumed>)        = 18
[pid  6092] <... write resumed>)        = 18
[pid  6094] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6094] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6093] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6092] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6095] <... chdir resumed>)        = 0
[pid  6094] <... bpf resumed>)          = 4
[pid  6092] <... bpf resumed>)          = 3
[pid  5856] <... mkdir resumed>)        = 0
[pid  6095] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6092] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6095] <... prctl resumed>)        = 0
[pid  6094] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6095] setpgid(0, 0 <unfinished ...>
[pid  6093] <... bpf resumed>)          = 3
[pid  6092] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6095] <... setpgid resumed>)      = 0
[pid  6092] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 6096 attached
 <unfinished ...>
[pid  6094] <... bpf resumed>)          = 5
[pid  6093] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6093] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6094] close(3 <unfinished ...>
[pid  6093] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6092] <... bpf resumed>)          = 4
[pid  6096] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6095] <... openat resumed>)       = 3
[pid  6094] <... close resumed>)        = 0
[pid  6093] <... bpf resumed>)          = 4
[pid  6096] <... set_robust_list resumed>) = 0
[pid  6095] write(3, "1000", 4 <unfinished ...>
[pid  6094] close(4 <unfinished ...>
[pid  6092] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 48
[pid  6094] <... close resumed>)        = 0
[pid  6094] close(5 <unfinished ...>
[pid  6093] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6096] chdir("./46" <unfinished ...>
[pid  6095] <... write resumed>)        = 4
[pid  6094] <... close resumed>)        = 0
[pid  6095] close(3 <unfinished ...>
[pid  6094] close(6 <unfinished ...>
[pid  6095] <... close resumed>)        = 0
[pid  6096] <... chdir resumed>)        = 0
[pid  6094] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6095] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6093] <... bpf resumed>)          = 5
[pid  6092] <... bpf resumed>)          = 5
[pid  6096] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6094] close(7 <unfinished ...>
[pid  6096] <... prctl resumed>)        = 0
[pid  6095] <... symlink resumed>)      = 0
[pid  6094] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] close(3 <unfinished ...>
[pid  6092] close(3 <unfinished ...>
[pid  6096] setpgid(0, 0 <unfinished ...>
[pid  6094] close(8 <unfinished ...>
[pid  6096] <... setpgid resumed>)      = 0
executing program
[pid  6095] write(1, "executing program\n", 18 <unfinished ...>
[pid  6094] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] <... close resumed>)        = 0
[pid  6092] <... close resumed>)        = 0
[pid  6096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6095] <... write resumed>)        = 18
[pid  6094] close(9 <unfinished ...>
[pid  6093] close(4 <unfinished ...>
[pid  6092] close(4 <unfinished ...>
[pid  6095] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6093] <... close resumed>)        = 0
[pid  6092] <... close resumed>)        = 0
[pid  6096] <... openat resumed>)       = 3
[pid  6095] <... bpf resumed>)          = 3
[pid  6094] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] close(5 <unfinished ...>
[pid  6092] close(5 <unfinished ...>
[pid  6096] write(3, "1000", 4 <unfinished ...>
[pid  6095] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6094] close(10 <unfinished ...>
[pid  6096] <... write resumed>)        = 4
[pid  6094] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] <... close resumed>)        = 0
[pid  6096] close(3 <unfinished ...>
[pid  6095] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6094] close(11 <unfinished ...>
executing program
[pid  6096] <... close resumed>)        = 0
[pid  6094] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6096] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6094] close(12 <unfinished ...>
[pid  6096] <... symlink resumed>)      = 0
[pid  6095] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6094] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] close(6 <unfinished ...>
[pid  6092] <... close resumed>)        = 0
[pid  6096] write(1, "executing program\n", 18 <unfinished ...>
[pid  6094] close(13 <unfinished ...>
[pid  6092] close(6 <unfinished ...>
[pid  6096] <... write resumed>)        = 18
[pid  6094] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6092] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6096] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6094] close(14 <unfinished ...>
[pid  6093] close(7 <unfinished ...>
[pid  6092] close(7 <unfinished ...>
[pid  6096] <... bpf resumed>)          = 3
[pid  6095] <... bpf resumed>)          = 4
[pid  6094] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6092] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6096] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6095] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6094] close(15 <unfinished ...>
[pid  6092] close(8 <unfinished ...>
[pid  6096] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6094] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] close(8 <unfinished ...>
[pid  6092] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6096] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6094] close(16 <unfinished ...>
[pid  6096] <... bpf resumed>)          = 4
[pid  6095] <... bpf resumed>)          = 5
[pid  6094] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6092] close(9 <unfinished ...>
[pid  6094] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  6094] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  6094] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  6096] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6094] close(20 <unfinished ...>
[pid  6096] <... bpf resumed>)          = 5
[pid  6095] close(3 <unfinished ...>
[pid  6094] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] close(9 <unfinished ...>
[pid  6092] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6095] <... close resumed>)        = 0
[pid  6093] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6092] close(10 <unfinished ...>
[pid  6095] close(4 <unfinished ...>
[pid  6093] close(10 <unfinished ...>
[pid  6092] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6096] close(3 <unfinished ...>
[pid  6095] <... close resumed>)        = 0
[pid  6094] close(21 <unfinished ...>
[pid  6093] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6092] close(11 <unfinished ...>
[pid  6096] <... close resumed>)        = 0
[pid  6095] close(5 <unfinished ...>
[pid  6094] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] close(11 <unfinished ...>
[pid  6092] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6096] close(4 <unfinished ...>
[pid  6094] close(22 <unfinished ...>
[pid  6092] close(12 <unfinished ...>
[pid  6096] <... close resumed>)        = 0
[pid  6094] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6092] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6096] close(5 <unfinished ...>
[pid  6094] close(23 <unfinished ...>
[pid  6092] close(13 <unfinished ...>
[pid  6096] <... close resumed>)        = 0
[pid  6095] <... close resumed>)        = 0
[pid  6094] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6092] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6095] close(6 <unfinished ...>
[pid  6093] close(12 <unfinished ...>
[pid  6092] close(14 <unfinished ...>
[pid  6095] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6092] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6095] close(7 <unfinished ...>
[pid  6093] close(13 <unfinished ...>
[pid  6092] close(15 <unfinished ...>
[pid  6095] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6092] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6095] close(8 <unfinished ...>
[pid  6092] close(16 <unfinished ...>
[pid  6093] close(14 <unfinished ...>
[pid  6095] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6092] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6095] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  6092] close(17 <unfinished ...>
[pid  6093] close(15 <unfinished ...>
[pid  6095] close(10 <unfinished ...>
[pid  6093] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6095] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6092] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6095] close(11 <unfinished ...>
[pid  6093] close(16 <unfinished ...>
[pid  6092] close(18 <unfinished ...>
[pid  6095] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6096] close(6 <unfinished ...>
[pid  6094] close(24 <unfinished ...>
[pid  6096] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6094] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6096] close(7 <unfinished ...>
[pid  6095] close(12 <unfinished ...>
[pid  6094] close(25 <unfinished ...>
[pid  6093] close(17 <unfinished ...>
[pid  6092] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6096] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6095] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6094] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6092] close(19 <unfinished ...>
[pid  6096] close(8 <unfinished ...>
[pid  6095] close(13 <unfinished ...>
[pid  6094] close(26 <unfinished ...>
[pid  6093] close(18 <unfinished ...>
[pid  6092] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6096] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6095] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6094] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6092] close(20 <unfinished ...>
[pid  6096] close(9 <unfinished ...>
[pid  6095] close(14 <unfinished ...>
[pid  6094] close(27 <unfinished ...>
[pid  6096] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6095] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6094] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] close(19 <unfinished ...>
[pid  6092] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6096] close(10 <unfinished ...>
[pid  6095] close(15 <unfinished ...>
[pid  6094] close(28 <unfinished ...>
[pid  6093] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6092] close(21 <unfinished ...>
[pid  6096] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6095] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6094] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] close(20 <unfinished ...>
[pid  6092] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6096] close(11 <unfinished ...>
[pid  6095] close(16 <unfinished ...>
[pid  6094] close(29 <unfinished ...>
[pid  6093] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6092] close(22 <unfinished ...>
[pid  6096] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6095] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6094] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] close(21 <unfinished ...>
[pid  6092] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6096] close(12 <unfinished ...>
[pid  6095] close(17 <unfinished ...>
[pid  6094] exit_group(0 <unfinished ...>
[pid  6093] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6092] close(23 <unfinished ...>
[pid  6096] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6095] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6094] <... exit_group resumed>)   = ?
[pid  6093] close(22 <unfinished ...>
[pid  6092] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6096] close(13 <unfinished ...>
[pid  6095] close(18 <unfinished ...>
[pid  6094] +++ exited with 0 +++
[pid  6093] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6092] close(24 <unfinished ...>
[pid  6096] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6095] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6092] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6093] close(23 <unfinished ...>
[pid  6096] close(14 <unfinished ...>
[pid  6095] close(19 <unfinished ...>
[pid  6093] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6092] close(25 <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6096] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6095] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] close(24 <unfinished ...>
[pid  6096] close(15 <unfinished ...>
[pid  6095] close(20 <unfinished ...>
[pid  6093] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6092] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6096] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6095] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] close(25 <unfinished ...>
[pid  6092] close(26 <unfinished ...>
[pid  6096] close(16 <unfinished ...>
[pid  6095] close(21 <unfinished ...>
[pid  6093] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6092] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6096] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6095] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] close(26 <unfinished ...>
[pid  6092] close(27 <unfinished ...>
[pid  6096] close(17 <unfinished ...>
[pid  6095] close(22 <unfinished ...>
[pid  6092] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6096] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6095] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] close(27 <unfinished ...>
[pid  6092] close(28 <unfinished ...>
[pid  6096] close(18 <unfinished ...>
[pid  6095] close(23 <unfinished ...>
[pid  6093] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6092] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6096] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6096] close(19 <unfinished ...>
[pid  6095] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] close(28 <unfinished ...>
[pid  6092] close(29 <unfinished ...>
[pid  6096] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6095] close(24 <unfinished ...>
[pid  6093] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6092] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6096] close(20 <unfinished ...>
[pid  6095] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] close(29 <unfinished ...>
[pid  6096] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6096] close(21 <unfinished ...>
[pid  6095] close(25 <unfinished ...>
[pid  6092] exit_group(0 <unfinished ...>
[pid  6096] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6096] close(22 <unfinished ...>
[pid  6093] exit_group(0 <unfinished ...>
[pid  6096] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6096] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  6096] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  6096] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  6096] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  6095] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] <... exit_group resumed>)   = ?
[pid  6092] <... exit_group resumed>)   = ?
[pid  6096] close(27 <unfinished ...>
[pid  6095] close(26 <unfinished ...>
[pid  6096] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6095] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6093] +++ exited with 0 +++
[pid  6092] +++ exited with 0 +++
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6096] close(28 <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6096] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6096] close(29 <unfinished ...>
[pid  6095] close(27 <unfinished ...>
[pid  6096] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6095] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6096] exit_group(0 <unfinished ...>
[pid  6095] close(28 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6096] <... exit_group resumed>)   = ?
[pid  6095] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6096] +++ exited with 0 +++
[pid  6095] close(29 <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6095] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6095] exit_group(0 <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6095] <... exit_group resumed>)   = ?
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... openat resumed>)       = 3
[pid  5855] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./45/binderfs",  <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] unlink("./45/binderfs")     = 0
[pid  6095] +++ exited with 0 +++
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] close(3 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5854] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] rmdir("./45" <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] newfstatat(AT_FDCWD, "./45/binderfs",  <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] newfstatat(AT_FDCWD, "./44/binderfs",  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5855] mkdir("./46", 0777 <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] unlink("./45/binderfs" <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] unlink("./44/binderfs" <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
./strace-static-x86_64: Process 6097 attached
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6097] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./46/binderfs",  <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6097] <... set_robust_list resumed>) = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... close resumed>)        = 0
[pid  5857] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5853] rmdir("./45" <unfinished ...>
[pid  6097] chdir("./46" <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] unlink("./46/binderfs" <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 48
[pid  5854] <... close resumed>)        = 0
[pid  5853] <... rmdir resumed>)        = 0
[pid  5857] newfstatat(AT_FDCWD, "./46/binderfs",  <unfinished ...>
[pid  6097] <... chdir resumed>)        = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  5854] rmdir("./44" <unfinished ...>
[pid  5853] mkdir("./46", 0777 <unfinished ...>
[pid  6097] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  5857] unlink("./46/binderfs" <unfinished ...>
[pid  5854] mkdir("./45", 0777 <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  6097] <... prctl resumed>)        = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6097] setpgid(0, 0 <unfinished ...>
[pid  5856] close(3./strace-static-x86_64: Process 6098 attached
 <unfinished ...>
[pid  6097] <... setpgid resumed>)      = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6099 attached
 <unfinished ...>
[pid  6098] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] rmdir("./46" <unfinished ...>
[pid  6098] <... set_robust_list resumed>) = 0
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 48
[pid  6099] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6098] chdir("./46" <unfinished ...>
[pid  6097] <... openat resumed>)       = 3
[pid  5857] close(3 <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 47
[pid  6097] write(3, "1000", 4 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  6099] <... set_robust_list resumed>) = 0
[pid  6098] <... chdir resumed>)        = 0
[pid  5856] mkdir("./47", 0777 <unfinished ...>
[pid  6097] <... write resumed>)        = 4
[pid  5857] rmdir("./46" <unfinished ...>
[pid  6099] chdir("./45" <unfinished ...>
[pid  6097] close(3 <unfinished ...>
[pid  6098] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] <... mkdir resumed>)        = 0
[pid  6099] <... chdir resumed>)        = 0
[pid  6098] <... prctl resumed>)        = 0
[pid  6097] <... close resumed>)        = 0
[pid  5857] mkdir("./47", 0777 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6099] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6098] setpgid(0, 0 <unfinished ...>
[pid  6097] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  6097] <... symlink resumed>)      = 0
./strace-static-x86_64: Process 6100 attached
[pid  6099] <... prctl resumed>)        = 0
[pid  6098] <... setpgid resumed>)      = 0
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6100] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6101 attached
 <unfinished ...>
[pid  6100] <... set_robust_list resumed>) = 0
[pid  6097] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6101] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6100] chdir("./47" <unfinished ...>
[pid  6099] setpgid(0, 0 <unfinished ...>
[pid  6098] <... openat resumed>)       = 3
[pid  6097] <... write resumed>)        = 18
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 49
[pid  6101] <... set_robust_list resumed>) = 0
[pid  6100] <... chdir resumed>)        = 0
[pid  6099] <... setpgid resumed>)      = 0
[pid  6101] chdir("./47" <unfinished ...>
[pid  6100] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6098] write(3, "1000", 4 <unfinished ...>
[pid  6097] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 49
[pid  6101] <... chdir resumed>)        = 0
[pid  6100] <... prctl resumed>)        = 0
[pid  6099] <... openat resumed>)       = 3
[pid  6098] <... write resumed>)        = 4
[pid  6097] <... bpf resumed>)          = 3
[pid  6101] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6100] setpgid(0, 0 <unfinished ...>
[pid  6099] write(3, "1000", 4 <unfinished ...>
[pid  6098] close(3 <unfinished ...>
[pid  6101] <... prctl resumed>)        = 0
[pid  6100] <... setpgid resumed>)      = 0
[pid  6099] <... write resumed>)        = 4
[pid  6098] <... close resumed>)        = 0
[pid  6097] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6101] setpgid(0, 0 <unfinished ...>
[pid  6100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6099] close(3 <unfinished ...>
[pid  6098] symlink("/dev/binderfs", "./binderfs"executing program
 <unfinished ...>
[pid  6101] <... setpgid resumed>)      = 0
[pid  6100] <... openat resumed>)       = 3
[pid  6099] <... close resumed>)        = 0
[pid  6098] <... symlink resumed>)      = 0
[pid  6097] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6098] write(1, "executing program\n", 18 <unfinished ...>
[pid  6099] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6098] <... write resumed>)        = 18
[pid  6101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6100] write(3, "1000", 4 <unfinished ...>
[pid  6099] <... symlink resumed>)      = 0
[pid  6098] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
executing program
[pid  6097] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6100] <... write resumed>)        = 4
[pid  6100] close(3 <unfinished ...>
[pid  6099] write(1, "executing program\n", 18 <unfinished ...>
[pid  6098] <... bpf resumed>)          = 3
[pid  6101] <... openat resumed>)       = 3
[pid  6100] <... close resumed>)        = 0
[pid  6099] <... write resumed>)        = 18
[pid  6098] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6101] write(3, "1000", 4 <unfinished ...>
[pid  6100] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6099] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6098] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6097] <... bpf resumed>)          = 4
[pid  6101] <... write resumed>)        = 4
[pid  6100] <... symlink resumed>)      = 0
[pid  6099] <... bpf resumed>)          = 3
[pid  6098] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6100] write(1, "executing program\n", 18 <unfinished ...>
[pid  6099] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6101] close(3 <unfinished ...>
[pid  6098] <... bpf resumed>)          = 4
[pid  6097] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16executing program
 <unfinished ...>
[pid  6101] <... close resumed>)        = 0
[pid  6100] <... write resumed>)        = 18
[pid  6099] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6097] <... bpf resumed>)          = 5
[pid  6101] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
executing program
[pid  6099] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6101] <... symlink resumed>)      = 0
[pid  6100] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6098] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6097] close(3 <unfinished ...>
[pid  6101] write(1, "executing program\n", 18 <unfinished ...>
[pid  6100] <... bpf resumed>)          = 3
[pid  6101] <... write resumed>)        = 18
[pid  6101] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6100] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6098] <... bpf resumed>)          = 5
[pid  6101] <... bpf resumed>)          = 3
[pid  6099] <... bpf resumed>)          = 4
[pid  6097] <... close resumed>)        = 0
[pid  6101] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6100] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6099] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6098] close(3 <unfinished ...>
[pid  6097] close(4 <unfinished ...>
[pid  6101] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6100] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6099] <... bpf resumed>)          = 5
[pid  6098] <... close resumed>)        = 0
[pid  6097] <... close resumed>)        = 0
[pid  6101] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4
[pid  6100] <... bpf resumed>)          = 4
[pid  6099] close(3 <unfinished ...>
[pid  6098] close(4 <unfinished ...>
[pid  6097] close(5 <unfinished ...>
[pid  6100] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6099] <... close resumed>)        = 0
[pid  6098] <... close resumed>)        = 0
[pid  6097] <... close resumed>)        = 0
[pid  6099] close(4 <unfinished ...>
[pid  6098] close(5 <unfinished ...>
[pid  6097] close(6 <unfinished ...>
[pid  6099] <... close resumed>)        = 0
[pid  6101] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6100] <... bpf resumed>)          = 5
[pid  6099] close(5 <unfinished ...>
[pid  6098] <... close resumed>)        = 0
[pid  6097] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6101] <... bpf resumed>)          = 5
[pid  6100] close(3 <unfinished ...>
[pid  6098] close(6 <unfinished ...>
[pid  6101] close(3 <unfinished ...>
[pid  6100] <... close resumed>)        = 0
[pid  6101] <... close resumed>)        = 0
[pid  6099] <... close resumed>)        = 0
[pid  6100] close(4 <unfinished ...>
[pid  6098] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6097] close(7 <unfinished ...>
[pid  6101] close(4 <unfinished ...>
[pid  6098] close(7 <unfinished ...>
[pid  6101] <... close resumed>)        = 0
[pid  6101] close(5)                    = 0
[pid  6100] <... close resumed>)        = 0
[pid  6099] close(6 <unfinished ...>
[pid  6098] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6097] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6101] close(6 <unfinished ...>
[pid  6100] close(5 <unfinished ...>
[pid  6099] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6098] close(8 <unfinished ...>
[pid  6097] close(8 <unfinished ...>
[pid  6099] close(7 <unfinished ...>
[pid  6098] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6097] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6099] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6098] close(9 <unfinished ...>
[pid  6097] close(9 <unfinished ...>
[pid  6099] close(8 <unfinished ...>
[pid  6098] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6097] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6099] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6098] close(10 <unfinished ...>
[pid  6097] close(10 <unfinished ...>
[pid  6099] close(9 <unfinished ...>
[pid  6098] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6097] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6099] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6098] close(11 <unfinished ...>
[pid  6097] close(11 <unfinished ...>
[pid  6099] close(10 <unfinished ...>
[pid  6098] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6097] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6099] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6098] close(12 <unfinished ...>
[pid  6097] close(12 <unfinished ...>
[pid  6098] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6097] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6099] close(11 <unfinished ...>
[pid  6098] close(13 <unfinished ...>
[pid  6097] close(13 <unfinished ...>
[pid  6099] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6098] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6097] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6100] <... close resumed>)        = 0
[pid  6099] close(12 <unfinished ...>
[pid  6098] close(14 <unfinished ...>
[pid  6097] close(14 <unfinished ...>
[pid  6100] close(6 <unfinished ...>
[pid  6098] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6097] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6100] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6099] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6098] close(15 <unfinished ...>
[pid  6097] close(15 <unfinished ...>
[pid  6101] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6098] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6097] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6099] close(13 <unfinished ...>
[pid  6101] close(7 <unfinished ...>
[pid  6100] close(7 <unfinished ...>
[pid  6098] close(16 <unfinished ...>
[pid  6099] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6097] close(16 <unfinished ...>
[pid  6101] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6100] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6099] close(14 <unfinished ...>
[pid  6098] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6097] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6101] close(8 <unfinished ...>
[pid  6100] close(8 <unfinished ...>
[pid  6101] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6101] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  6101] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  6101] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  6101] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  6101] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  6101] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  6101] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  6101] close(16 <unfinished ...>
[pid  6100] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6099] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6098] close(17 <unfinished ...>
[pid  6097] close(17 <unfinished ...>
[pid  6101] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6100] close(9 <unfinished ...>
[pid  6099] close(15 <unfinished ...>
[pid  6098] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6097] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6101] close(17 <unfinished ...>
[pid  6100] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6099] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6098] close(18 <unfinished ...>
[pid  6097] close(18 <unfinished ...>
[pid  6101] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6100] close(10 <unfinished ...>
[pid  6097] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6101] close(18 <unfinished ...>
[pid  6100] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6099] close(16 <unfinished ...>
[pid  6098] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6097] close(19 <unfinished ...>
[pid  6101] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6100] close(11 <unfinished ...>
[pid  6099] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6098] close(19 <unfinished ...>
[pid  6097] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6101] close(19 <unfinished ...>
[pid  6100] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6099] close(17 <unfinished ...>
[pid  6098] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6097] close(20 <unfinished ...>
[pid  6101] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6100] close(12 <unfinished ...>
[pid  6099] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6098] close(20 <unfinished ...>
[pid  6097] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6101] close(20 <unfinished ...>
[pid  6100] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6099] close(18 <unfinished ...>
[pid  6098] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6097] close(21 <unfinished ...>
[pid  6101] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6100] close(13 <unfinished ...>
[pid  6099] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6098] close(21 <unfinished ...>
[pid  6097] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6101] close(21 <unfinished ...>
[pid  6100] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6099] close(19 <unfinished ...>
[pid  6098] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6097] close(22 <unfinished ...>
[pid  6101] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6100] close(14 <unfinished ...>
[pid  6099] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6098] close(22 <unfinished ...>
[pid  6097] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6101] close(22 <unfinished ...>
[pid  6100] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6099] close(20 <unfinished ...>
[pid  6098] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6097] close(23 <unfinished ...>
[pid  6101] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6100] close(15 <unfinished ...>
[pid  6099] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6098] close(23 <unfinished ...>
[pid  6097] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6101] close(23 <unfinished ...>
[pid  6100] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6099] close(21 <unfinished ...>
[pid  6098] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6097] close(24 <unfinished ...>
[pid  6101] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6100] close(16 <unfinished ...>
[pid  6099] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6098] close(24 <unfinished ...>
[pid  6097] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6101] close(24 <unfinished ...>
[pid  6100] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6099] close(22 <unfinished ...>
[pid  6098] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6097] close(25 <unfinished ...>
[pid  6101] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6100] close(17 <unfinished ...>
[pid  6099] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6098] close(25 <unfinished ...>
[pid  6097] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6101] close(25 <unfinished ...>
[pid  6100] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6099] close(23 <unfinished ...>
[pid  6098] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6097] close(26 <unfinished ...>
[pid  6101] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6100] close(18 <unfinished ...>
[pid  6099] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6098] close(26 <unfinished ...>
[pid  6097] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6101] close(26 <unfinished ...>
[pid  6100] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6099] close(24 <unfinished ...>
[pid  6101] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6100] close(19 <unfinished ...>
[pid  6099] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6098] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6097] close(27 <unfinished ...>
[pid  6101] close(27 <unfinished ...>
[pid  6100] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6099] close(25 <unfinished ...>
[pid  6098] close(27 <unfinished ...>
[pid  6097] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6101] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6101] close(28 <unfinished ...>
[pid  6100] close(20 <unfinished ...>
[pid  6099] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6098] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6097] close(28 <unfinished ...>
[pid  6101] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6100] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6099] close(26 <unfinished ...>
[pid  6098] close(28 <unfinished ...>
[pid  6097] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6101] close(29 <unfinished ...>
[pid  6100] close(21 <unfinished ...>
[pid  6099] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6098] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6097] close(29 <unfinished ...>
[pid  6101] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6100] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6099] close(27 <unfinished ...>
[pid  6098] close(29 <unfinished ...>
[pid  6097] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6101] exit_group(0 <unfinished ...>
[pid  6100] close(22 <unfinished ...>
[pid  6099] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6098] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6101] <... exit_group resumed>)   = ?
[pid  6097] exit_group(0 <unfinished ...>
[pid  6101] +++ exited with 0 +++
[pid  6100] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6099] close(28 <unfinished ...>
[pid  6098] exit_group(0 <unfinished ...>
[pid  6100] close(23 <unfinished ...>
[pid  6099] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6098] <... exit_group resumed>)   = ?
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6099] close(29 <unfinished ...>
[pid  6100] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6099] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6100] close(24 <unfinished ...>
[pid  6099] exit_group(0 <unfinished ...>
[pid  6100] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6097] <... exit_group resumed>)   = ?
[pid  6098] +++ exited with 0 +++
[pid  6100] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  6099] <... exit_group resumed>)   = ?
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6100] close(26 <unfinished ...>
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6100] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6097] +++ exited with 0 +++
[pid  6100] close(27 <unfinished ...>
[pid  6099] +++ exited with 0 +++
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6100] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6100] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  6100] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  6100] exit_group(0 <unfinished ...>
[pid  5857] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... restart_syscall resumed>) = 0
[pid  6100] <... exit_group resumed>)   = ?
[pid  5853] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6100] +++ exited with 0 +++
[pid  5857] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5855] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... openat resumed>)       = 3
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... openat resumed>)       = 3
[pid  5857] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./47/binderfs",  <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] unlink("./47/binderfs" <unfinished ...>
[pid  5855] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... unlink resumed>)       = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./46/binderfs",  <unfinished ...>
[pid  5857] getdents64(3, 0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] close(3 <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5855] newfstatat(AT_FDCWD, "./46/binderfs",  <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] <... close resumed>)        = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] newfstatat(AT_FDCWD, "./45/binderfs",  <unfinished ...>
[pid  5853] unlink("./46/binderfs" <unfinished ...>
[pid  5857] rmdir("./47" <unfinished ...>
[pid  5855] unlink("./46/binderfs" <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] unlink("./45/binderfs" <unfinished ...>
[pid  5857] mkdir("./48", 0777 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5855] close(3 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
./strace-static-x86_64: Process 6102 attached
[pid  5855] <... close resumed>)        = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] close(3 <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] rmdir("./46" <unfinished ...>
[pid  6102] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 50
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] rmdir("./46" <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  6102] <... set_robust_list resumed>) = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] <... close resumed>)        = 0
[pid  5856] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] mkdir("./47", 0777 <unfinished ...>
[pid  5853] mkdir("./47", 0777 <unfinished ...>
[pid  6102] chdir("./48" <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] rmdir("./45" <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  6102] <... chdir resumed>)        = 0
[pid  5856] newfstatat(AT_FDCWD, "./47/binderfs",  <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6102] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  6102] <... prctl resumed>)        = 0
[pid  5854] mkdir("./46", 0777 <unfinished ...>
[pid  6102] setpgid(0, 0 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6103 attached
 <unfinished ...>
[pid  5856] unlink("./47/binderfs" <unfinished ...>
[pid  6103] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6102] <... setpgid resumed>)      = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6104 attached
 <unfinished ...>
[pid  6103] <... set_robust_list resumed>) = 0
[pid  6102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 49
[pid  6103] chdir("./47" <unfinished ...>
[pid  5856] getdents64(3, ./strace-static-x86_64: Process 6105 attached
 <unfinished ...>
[pid  6104] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6104] <... set_robust_list resumed>) = 0
[pid  6103] <... chdir resumed>)        = 0
[pid  6102] <... openat resumed>)       = 3
[pid  6105] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6104] chdir("./47" <unfinished ...>
[pid  6103] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6102] write(3, "1000", 4 <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 49
[pid  6105] <... set_robust_list resumed>) = 0
[pid  6104] <... chdir resumed>)        = 0
[pid  6103] <... prctl resumed>)        = 0
[pid  6102] <... write resumed>)        = 4
[pid  5856] <... close resumed>)        = 0
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 48
[pid  6105] chdir("./46" <unfinished ...>
[pid  6104] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6103] setpgid(0, 0 <unfinished ...>
[pid  6102] close(3 <unfinished ...>
[pid  5856] rmdir("./47" <unfinished ...>
[pid  6105] <... chdir resumed>)        = 0
[pid  6104] <... prctl resumed>)        = 0
[pid  6103] <... setpgid resumed>)      = 0
[pid  6102] <... close resumed>)        = 0
[pid  6105] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6104] setpgid(0, 0 <unfinished ...>
[pid  6105] <... prctl resumed>)        = 0
[pid  6104] <... setpgid resumed>)      = 0
[pid  6103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6102] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  6105] setpgid(0, 0 <unfinished ...>
[pid  5856] mkdir("./48", 0777)         = 0
[pid  6104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6105] <... setpgid resumed>)      = 0
[pid  6104] <... openat resumed>)       = 3
[pid  6103] <... openat resumed>)       = 3
[pid  6102] <... symlink resumed>)      = 0
./strace-static-x86_64: Process 6106 attached
executing program
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 50
[pid  6106] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6104] write(3, "1000", 4 <unfinished ...>
[pid  6103] write(3, "1000", 4 <unfinished ...>
[pid  6102] write(1, "executing program\n", 18 <unfinished ...>
[pid  6106] <... set_robust_list resumed>) = 0
[pid  6104] <... write resumed>)        = 4
[pid  6103] <... write resumed>)        = 4
[pid  6102] <... write resumed>)        = 18
[pid  6104] close(3)                    = 0
[pid  6103] close(3 <unfinished ...>
[pid  6102] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6106] chdir("./48")               = 0
[pid  6105] <... openat resumed>)       = 3
[pid  6104] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6103] <... close resumed>)        = 0
[pid  6102] <... bpf resumed>)          = 3
[pid  6106] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6105] write(3, "1000", 4 <unfinished ...>
[pid  6102] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6105] <... write resumed>)        = 4
[pid  6106] <... prctl resumed>)        = 0
[pid  6104] <... symlink resumed>)      = 0
[pid  6103] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6106] setpgid(0, 0 <unfinished ...>
[pid  6105] close(3 <unfinished ...>
executing program
[pid  6104] write(1, "executing program\n", 18 <unfinished ...>
[pid  6102] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6106] <... setpgid resumed>)      = 0
[pid  6105] <... close resumed>)        = 0
[pid  6104] <... write resumed>)        = 18
[pid  6103] <... symlink resumed>)      = 0
[pid  6102] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6105] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6104] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6105] <... symlink resumed>)      = 0
[pid  6103] write(1, "executing program\n", 18executing program
executing program
 <unfinished ...>
[pid  6104] <... bpf resumed>)          = 3
[pid  6102] <... bpf resumed>)          = 4
[pid  6106] <... openat resumed>)       = 3
[pid  6105] write(1, "executing program\n", 18 <unfinished ...>
[pid  6104] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6103] <... write resumed>)        = 18
[pid  6102] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6106] write(3, "1000", 4 <unfinished ...>
[pid  6105] <... write resumed>)        = 18
[pid  6104] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6103] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6102] <... bpf resumed>)          = 5
[pid  6106] <... write resumed>)        = 4
[pid  6105] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6104] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6103] <... bpf resumed>)          = 3
[pid  6102] close(3 <unfinished ...>
[pid  6106] close(3 <unfinished ...>
[pid  6105] <... bpf resumed>)          = 3
[pid  6103] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6102] <... close resumed>)        = 0
[pid  6106] <... close resumed>)        = 0
[pid  6105] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6106] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6104] <... bpf resumed>)          = 4
[pid  6103] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6102] close(4 <unfinished ...>
[pid  6106] <... symlink resumed>)      = 0
[pid  6105] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6104] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6103] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6102] <... close resumed>)        = 0
[pid  6106] write(1, "executing program\n", 18 <unfinished ...>
[pid  6105] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6104] <... bpf resumed>)          = 5
executing program
[pid  6106] <... write resumed>)        = 18
[pid  6103] <... bpf resumed>)          = 4
[pid  6102] close(5 <unfinished ...>
[pid  6106] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6105] <... bpf resumed>)          = 4
[pid  6104] close(3 <unfinished ...>
[pid  6103] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6106] <... bpf resumed>)          = 3
[pid  6105] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6104] <... close resumed>)        = 0
[pid  6106] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6104] close(4 <unfinished ...>
[pid  6105] <... bpf resumed>)          = 5
[pid  6103] <... bpf resumed>)          = 5
[pid  6102] <... close resumed>)        = 0
[pid  6104] <... close resumed>)        = 0
[pid  6106] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6105] close(3 <unfinished ...>
[pid  6103] close(3 <unfinished ...>
[pid  6104] close(5 <unfinished ...>
[pid  6102] close(6 <unfinished ...>
[pid  6106] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6105] <... close resumed>)        = 0
[pid  6103] <... close resumed>)        = 0
[pid  6102] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6104] <... close resumed>)        = 0
[pid  6105] close(4 <unfinished ...>
[pid  6106] <... bpf resumed>)          = 4
[pid  6104] close(6 <unfinished ...>
[pid  6103] close(4 <unfinished ...>
[pid  6102] close(7 <unfinished ...>
[pid  6106] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6105] <... close resumed>)        = 0
[pid  6104] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] <... close resumed>)        = 0
[pid  6102] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6106] <... bpf resumed>)          = 5
[pid  6104] close(7 <unfinished ...>
[pid  6103] close(5 <unfinished ...>
[pid  6102] close(8 <unfinished ...>
[pid  6106] close(3 <unfinished ...>
[pid  6104] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6106] <... close resumed>)        = 0
[pid  6103] <... close resumed>)        = 0
[pid  6102] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6106] close(4 <unfinished ...>
[pid  6104] close(8 <unfinished ...>
[pid  6103] close(6 <unfinished ...>
[pid  6106] <... close resumed>)        = 0
[pid  6104] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6102] close(9 <unfinished ...>
[pid  6106] close(5 <unfinished ...>
[pid  6104] close(9 <unfinished ...>
[pid  6103] close(7 <unfinished ...>
[pid  6102] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6104] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6104] close(10 <unfinished ...>
[pid  6102] close(10 <unfinished ...>
[pid  6104] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] close(8 <unfinished ...>
[pid  6104] close(11 <unfinished ...>
[pid  6102] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6104] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6102] close(11 <unfinished ...>
[pid  6104] close(12 <unfinished ...>
[pid  6103] close(9 <unfinished ...>
[pid  6102] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6104] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6104] close(13 <unfinished ...>
[pid  6102] close(12 <unfinished ...>
[pid  6104] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] close(10 <unfinished ...>
[pid  6104] close(14 <unfinished ...>
[pid  6102] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6104] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6104] close(15 <unfinished ...>
[pid  6102] close(13 <unfinished ...>
[pid  6104] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] close(11 <unfinished ...>
[pid  6106] <... close resumed>)        = 0
[pid  6105] close(5 <unfinished ...>
[pid  6104] close(16 <unfinished ...>
[pid  6102] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6106] close(6 <unfinished ...>
[pid  6105] <... close resumed>)        = 0
[pid  6104] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6106] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6105] close(6 <unfinished ...>
[pid  6104] close(17 <unfinished ...>
[pid  6102] close(14 <unfinished ...>
[pid  6106] close(7 <unfinished ...>
[pid  6105] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6104] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] close(12 <unfinished ...>
[pid  6102] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6106] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6105] close(7 <unfinished ...>
[pid  6104] close(18 <unfinished ...>
[pid  6103] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6102] close(15 <unfinished ...>
[pid  6106] close(8 <unfinished ...>
[pid  6105] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6104] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] close(13 <unfinished ...>
[pid  6102] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6106] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6105] close(8 <unfinished ...>
[pid  6104] close(19 <unfinished ...>
[pid  6103] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6102] close(16 <unfinished ...>
[pid  6106] close(9 <unfinished ...>
[pid  6105] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6104] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] close(14 <unfinished ...>
[pid  6106] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6105] close(9 <unfinished ...>
[pid  6104] close(20 <unfinished ...>
[pid  6102] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6106] close(10 <unfinished ...>
[pid  6105] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6104] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] close(15 <unfinished ...>
[pid  6102] close(17 <unfinished ...>
[pid  6106] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6105] close(10 <unfinished ...>
[pid  6104] close(21 <unfinished ...>
[pid  6103] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6102] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6106] close(11 <unfinished ...>
[pid  6105] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6104] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] close(16 <unfinished ...>
[pid  6102] close(18 <unfinished ...>
[pid  6106] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6105] close(11 <unfinished ...>
[pid  6104] close(22 <unfinished ...>
[pid  6103] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6102] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6106] close(12 <unfinished ...>
[pid  6105] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6104] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] close(17 <unfinished ...>
[pid  6102] close(19 <unfinished ...>
[pid  6106] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6105] close(12 <unfinished ...>
[pid  6104] close(23 <unfinished ...>
[pid  6103] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6102] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6106] close(13 <unfinished ...>
[pid  6105] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6104] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] close(18 <unfinished ...>
[pid  6102] close(20 <unfinished ...>
[pid  6106] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6105] close(13 <unfinished ...>
[pid  6104] close(24 <unfinished ...>
[pid  6103] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6102] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6106] close(14 <unfinished ...>
[pid  6105] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6104] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] close(19 <unfinished ...>
[pid  6102] close(21 <unfinished ...>
[pid  6106] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6105] close(14 <unfinished ...>
[pid  6104] close(25 <unfinished ...>
[pid  6103] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6102] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6106] close(15 <unfinished ...>
[pid  6105] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6104] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] close(20 <unfinished ...>
[pid  6102] close(22 <unfinished ...>
[pid  6106] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6105] close(15 <unfinished ...>
[pid  6104] close(26 <unfinished ...>
[pid  6103] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6102] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6106] close(16 <unfinished ...>
[pid  6105] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6104] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] close(21 <unfinished ...>
[pid  6102] close(23 <unfinished ...>
[pid  6106] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6105] close(16 <unfinished ...>
[pid  6104] close(27 <unfinished ...>
[pid  6103] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6102] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6106] close(17 <unfinished ...>
[pid  6105] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6104] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] close(22 <unfinished ...>
[pid  6102] close(24 <unfinished ...>
[pid  6106] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6105] close(17 <unfinished ...>
[pid  6104] close(28 <unfinished ...>
[pid  6103] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6102] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6106] close(18 <unfinished ...>
[pid  6105] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6104] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] close(23 <unfinished ...>
[pid  6102] close(25 <unfinished ...>
[pid  6106] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6105] close(18 <unfinished ...>
[pid  6104] close(29 <unfinished ...>
[pid  6103] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6102] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6106] close(19 <unfinished ...>
[pid  6105] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6104] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] close(24 <unfinished ...>
[pid  6102] close(26 <unfinished ...>
[pid  6106] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6105] close(19 <unfinished ...>
[pid  6106] close(20 <unfinished ...>
[pid  6105] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6104] exit_group(0 <unfinished ...>
[pid  6103] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6102] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6106] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6105] close(20 <unfinished ...>
[pid  6104] <... exit_group resumed>)   = ?
[pid  6102] close(27 <unfinished ...>
[pid  6106] close(21 <unfinished ...>
[pid  6105] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] close(25 <unfinished ...>
[pid  6105] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  6105] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  6105] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  6105] close(24 <unfinished ...>
[pid  6106] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6105] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6104] +++ exited with 0 +++
[pid  6103] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6102] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6106] close(22 <unfinished ...>
[pid  6105] close(25 <unfinished ...>
[pid  6103] close(26 <unfinished ...>
[pid  6102] close(28 <unfinished ...>
[pid  6106] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6105] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6102] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6106] close(23 <unfinished ...>
[pid  6105] close(26 <unfinished ...>
[pid  6103] close(27 <unfinished ...>
[pid  6102] close(29 <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6106] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6102] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6106] close(24 <unfinished ...>
[pid  6103] close(28 <unfinished ...>
[pid  6106] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6105] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6102] exit_group(0 <unfinished ...>
[pid  5853] <... restart_syscall resumed>) = 0
[pid  6106] close(25 <unfinished ...>
[pid  6105] close(27 <unfinished ...>
[pid  6103] close(29 <unfinished ...>
[pid  6102] <... exit_group resumed>)   = ?
[pid  6105] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6105] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  6105] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  6106] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6105] exit_group(0 <unfinished ...>
[pid  6103] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6105] <... exit_group resumed>)   = ?
[pid  6106] close(26 <unfinished ...>
[pid  6105] +++ exited with 0 +++
[pid  6103] exit_group(0 <unfinished ...>
[pid  6102] +++ exited with 0 +++
[pid  6106] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] <... exit_group resumed>)   = ?
[pid  6106] close(27 <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6106] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6103] +++ exited with 0 +++
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6106] close(28 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6106] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6106] close(29 <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  6106] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6106] exit_group(0 <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6106] <... exit_group resumed>)   = ?
[pid  5857] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6106] +++ exited with 0 +++
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] <... openat resumed>)       = 3
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] newfstatat(AT_FDCWD, "./47/binderfs",  <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./46/binderfs",  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] unlink("./47/binderfs" <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./47/binderfs",  <unfinished ...>
[pid  5857] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] unlink("./46/binderfs" <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] unlink("./47/binderfs" <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5857] newfstatat(AT_FDCWD, "./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] unlink("./48/binderfs" <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] <... unlink resumed>)       = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5853] <... close resumed>)        = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] <... close resumed>)        = 0
[pid  5857] close(3 <unfinished ...>
[pid  5855] rmdir("./47" <unfinished ...>
[pid  5854] rmdir("./46" <unfinished ...>
[pid  5853] rmdir("./47" <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] <... rmdir resumed>)        = 0
[pid  5857] rmdir("./48")               = 0
[pid  5855] mkdir("./48", 0777 <unfinished ...>
[pid  5854] mkdir("./47", 0777 <unfinished ...>
[pid  5853] mkdir("./48", 0777 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5857] mkdir("./49", 0777 <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5857] <... mkdir resumed>)        = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6107 attached
 <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6108 attached
 <unfinished ...>
[pid  6107] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6109 attached
./strace-static-x86_64: Process 6110 attached
 <unfinished ...>
[pid  6107] <... set_robust_list resumed>) = 0
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 50
[pid  6108] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 49
[pid  6108] <... set_robust_list resumed>) = 0
[pid  6107] chdir("./48" <unfinished ...>
[pid  5856] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6110] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6109] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6110] <... set_robust_list resumed>) = 0
[pid  6109] <... set_robust_list resumed>) = 0
[pid  6108] chdir("./48" <unfinished ...>
[pid  6107] <... chdir resumed>)        = 0
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 51
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 50
[pid  6110] chdir("./49" <unfinished ...>
[pid  6108] <... chdir resumed>)        = 0
[pid  6109] chdir("./47" <unfinished ...>
[pid  6108] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6107] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6107] <... prctl resumed>)        = 0
[pid  6110] <... chdir resumed>)        = 0
[pid  6108] <... prctl resumed>)        = 0
[pid  6110] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6108] setpgid(0, 0 <unfinished ...>
[pid  6107] setpgid(0, 0 <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  6110] <... prctl resumed>)        = 0
[pid  6109] <... chdir resumed>)        = 0
[pid  6108] <... setpgid resumed>)      = 0
[pid  6107] <... setpgid resumed>)      = 0
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  6110] setpgid(0, 0 <unfinished ...>
[pid  6109] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6109] <... prctl resumed>)        = 0
[pid  6110] <... setpgid resumed>)      = 0
[pid  6108] <... openat resumed>)       = 3
[pid  6108] write(3, "1000", 4 <unfinished ...>
[pid  6110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6109] setpgid(0, 0 <unfinished ...>
[pid  6108] <... write resumed>)        = 4
[pid  6107] <... openat resumed>)       = 3
[pid  5856] getdents64(3, 0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6109] <... setpgid resumed>)      = 0
[pid  5856] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6107] write(3, "1000", 4 <unfinished ...>
[pid  6108] close(3 <unfinished ...>
[pid  6109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6108] <... close resumed>)        = 0
[pid  6107] <... write resumed>)        = 4
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6110] <... openat resumed>)       = 3
[pid  6108] symlink("/dev/binderfs", "./binderfs"executing program
 <unfinished ...>
[pid  6110] write(3, "1000", 4 <unfinished ...>
[pid  6109] <... openat resumed>)       = 3
[pid  6108] <... symlink resumed>)      = 0
[pid  6107] close(3 <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./48/binderfs",  <unfinished ...>
[pid  6110] <... write resumed>)        = 4
[pid  6107] <... close resumed>)        = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6110] close(3 <unfinished ...>
[pid  6107] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6108] write(1, "executing program\n", 18) = 18
[pid  6108] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6110] <... close resumed>)        = 0
[pid  6109] write(3, "1000", 4 <unfinished ...>
[pid  6108] <... bpf resumed>)          = 3
[pid  6107] <... symlink resumed>)      = 0
[pid  5856] unlink("./48/binderfs"executing program
 <unfinished ...>
[pid  6110] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6109] <... write resumed>)        = 4
[pid  6107] write(1, "executing program\n", 18 <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  6109] close(3 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6109] <... close resumed>)        = 0
[pid  6107] <... write resumed>)        = 18
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6109] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  6108] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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, ...}, 144executing program
executing program
 <unfinished ...>
[pid  6110] <... symlink resumed>)      = 0
[pid  6109] <... symlink resumed>)      = 0
[pid  6108] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6107] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  6110] write(1, "executing program\n", 18 <unfinished ...>
[pid  6109] write(1, "executing program\n", 18 <unfinished ...>
[pid  6108] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6110] <... write resumed>)        = 18
[pid  6109] <... write resumed>)        = 18
[pid  6108] <... bpf resumed>)          = 4
[pid  6107] <... bpf resumed>)          = 3
[pid  5856] rmdir("./48" <unfinished ...>
[pid  6110] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6109] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6107] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5856] <... rmdir resumed>)        = 0
[pid  6110] <... bpf resumed>)          = 3
[pid  6109] <... bpf resumed>)          = 3
[pid  6110] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6108] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6110] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6109] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6108] <... bpf resumed>)          = 5
[pid  6107] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5856] mkdir("./49", 0777 <unfinished ...>
[pid  6110] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6109] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6108] close(3)                    = 0
[pid  6107] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  6108] close(4)                    = 0
[pid  6108] close(5 <unfinished ...>
[pid  6110] <... bpf resumed>)          = 4
[pid  6108] <... close resumed>)        = 0
[pid  6108] close(6 <unfinished ...>
[pid  6110] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6109] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6107] <... bpf resumed>)          = 4
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6108] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6108] close(7 <unfinished ...>
[pid  6107] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16./strace-static-x86_64: Process 6111 attached
 <unfinished ...>
[pid  6110] <... bpf resumed>)          = 5
[pid  6108] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6107] <... bpf resumed>)          = 5
[pid  6111] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6110] close(3 <unfinished ...>
[pid  6109] <... bpf resumed>)          = 4
[pid  6108] close(8 <unfinished ...>
[pid  6111] <... set_robust_list resumed>) = 0
[pid  6110] <... close resumed>)        = 0
[pid  6109] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6108] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6107] close(3 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 51
[pid  6111] chdir("./49" <unfinished ...>
[pid  6109] <... bpf resumed>)          = 5
[pid  6108] close(9 <unfinished ...>
[pid  6107] <... close resumed>)        = 0
[pid  6110] close(4 <unfinished ...>
[pid  6108] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6109] close(3 <unfinished ...>
[pid  6108] close(10 <unfinished ...>
[pid  6107] close(4 <unfinished ...>
[pid  6109] <... close resumed>)        = 0
[pid  6108] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6107] <... close resumed>)        = 0
[pid  6110] <... close resumed>)        = 0
[pid  6109] close(4 <unfinished ...>
[pid  6108] close(11 <unfinished ...>
[pid  6111] <... chdir resumed>)        = 0
[pid  6111] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6110] close(5 <unfinished ...>
[pid  6109] <... close resumed>)        = 0
[pid  6108] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6107] close(5 <unfinished ...>
[pid  6111] <... prctl resumed>)        = 0
[pid  6110] <... close resumed>)        = 0
[pid  6109] close(5 <unfinished ...>
[pid  6108] close(12 <unfinished ...>
[pid  6107] <... close resumed>)        = 0
[pid  6111] setpgid(0, 0 <unfinished ...>
[pid  6110] close(6 <unfinished ...>
[pid  6109] <... close resumed>)        = 0
[pid  6108] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6107] close(6 <unfinished ...>
[pid  6111] <... setpgid resumed>)      = 0
[pid  6110] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6108] close(13 <unfinished ...>
[pid  6107] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6110] close(7 <unfinished ...>
[pid  6107] close(7 <unfinished ...>
[pid  6111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6110] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6108] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6107] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6110] close(8 <unfinished ...>
[pid  6109] close(6 <unfinished ...>
[pid  6108] close(14 <unfinished ...>
[pid  6107] close(8 <unfinished ...>
[pid  6111] <... openat resumed>)       = 3
[pid  6110] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6109] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6108] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6107] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6109] close(7 <unfinished ...>
[pid  6108] close(15 <unfinished ...>
[pid  6107] close(9 <unfinished ...>
[pid  6109] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6108] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6107] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6109] close(8 <unfinished ...>
[pid  6108] close(16 <unfinished ...>
[pid  6107] close(10 <unfinished ...>
[pid  6109] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6108] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6107] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6111] write(3, "1000", 4 <unfinished ...>
[pid  6110] close(9 <unfinished ...>
[pid  6109] close(9 <unfinished ...>
[pid  6108] close(17 <unfinished ...>
[pid  6107] close(11 <unfinished ...>
[pid  6111] <... write resumed>)        = 4
[pid  6110] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6109] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6108] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6107] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6111] close(3 <unfinished ...>
[pid  6110] close(10 <unfinished ...>
[pid  6109] close(10 <unfinished ...>
[pid  6108] close(18 <unfinished ...>
[pid  6107] close(12 <unfinished ...>
[pid  6111] <... close resumed>)        = 0
[pid  6110] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6109] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6108] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6107] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6111] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6110] close(11 <unfinished ...>
[pid  6109] close(11 <unfinished ...>
[pid  6108] close(19 <unfinished ...>
[pid  6107] close(13 <unfinished ...>
[pid  6110] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6109] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6108] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6107] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6111] <... symlink resumed>)      = 0
[pid  6110] close(12 <unfinished ...>
[pid  6109] close(12 <unfinished ...>
[pid  6108] close(20 <unfinished ...>
[pid  6107] close(14 <unfinished ...>
[pid  6110] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6109] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6108] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6107] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  6111] write(1, "executing program\n", 18 <unfinished ...>
[pid  6110] close(13 <unfinished ...>
[pid  6109] close(13 <unfinished ...>
[pid  6108] close(21 <unfinished ...>
[pid  6107] close(15 <unfinished ...>
[pid  6111] <... write resumed>)        = 18
[pid  6110] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6109] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6108] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6107] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6111] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6110] close(14 <unfinished ...>
[pid  6109] close(14 <unfinished ...>
[pid  6108] close(22 <unfinished ...>
[pid  6107] close(16 <unfinished ...>
[pid  6111] <... bpf resumed>)          = 3
[pid  6110] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6109] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6108] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6107] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6110] close(15 <unfinished ...>
[pid  6109] close(15 <unfinished ...>
[pid  6108] close(23 <unfinished ...>
[pid  6107] close(17 <unfinished ...>
[pid  6111] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6110] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6109] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6108] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6107] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6110] close(16 <unfinished ...>
[pid  6109] close(16 <unfinished ...>
[pid  6108] close(24 <unfinished ...>
[pid  6107] close(18 <unfinished ...>
[pid  6111] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6110] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6109] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6108] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6107] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6111] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6110] close(17 <unfinished ...>
[pid  6109] close(17 <unfinished ...>
[pid  6108] close(25 <unfinished ...>
[pid  6107] close(19 <unfinished ...>
[pid  6110] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6109] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6108] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6107] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6109] close(18 <unfinished ...>
[pid  6108] close(26 <unfinished ...>
[pid  6107] close(20 <unfinished ...>
[pid  6109] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6108] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6107] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6110] close(18 <unfinished ...>
[pid  6109] close(19 <unfinished ...>
[pid  6108] close(27 <unfinished ...>
[pid  6107] close(21 <unfinished ...>
[pid  6111] <... bpf resumed>)          = 4
[pid  6110] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6109] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6108] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6107] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6109] close(20 <unfinished ...>
[pid  6108] close(28 <unfinished ...>
[pid  6107] close(22 <unfinished ...>
[pid  6111] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6110] close(19 <unfinished ...>
[pid  6109] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6108] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6107] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6110] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6108] close(29 <unfinished ...>
[pid  6107] close(23 <unfinished ...>
[pid  6110] close(20 <unfinished ...>
[pid  6109] close(21 <unfinished ...>
[pid  6108] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6107] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6111] <... bpf resumed>)          = 5
[pid  6110] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6109] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6108] exit_group(0 <unfinished ...>
[pid  6107] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  6107] close(25 <unfinished ...>
[pid  6108] <... exit_group resumed>)   = ?
[pid  6107] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6111] close(3 <unfinished ...>
[pid  6110] close(21 <unfinished ...>
[pid  6109] close(22 <unfinished ...>
[pid  6111] <... close resumed>)        = 0
[pid  6110] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6109] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6111] close(4 <unfinished ...>
[pid  6110] close(22 <unfinished ...>
[pid  6109] close(23 <unfinished ...>
[pid  6110] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6109] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6111] <... close resumed>)        = 0
[pid  6110] close(23 <unfinished ...>
[pid  6109] close(24 <unfinished ...>
[pid  6111] close(5 <unfinished ...>
[pid  6110] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6109] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6111] <... close resumed>)        = 0
[pid  6110] close(24 <unfinished ...>
[pid  6109] close(25 <unfinished ...>
[pid  6108] +++ exited with 0 +++
[pid  6107] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  6107] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  6107] close(28 <unfinished ...>
[pid  6109] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6111] close(6 <unfinished ...>
[pid  6110] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6109] close(26 <unfinished ...>
[pid  6107] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6111] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6110] close(25 <unfinished ...>
[pid  6109] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6110] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6109] close(27 <unfinished ...>
[pid  6111] close(7 <unfinished ...>
[pid  6110] close(26 <unfinished ...>
[pid  6109] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6107] close(29 <unfinished ...>
[pid  5853] <... restart_syscall resumed>) = 0
[pid  6111] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6110] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6109] close(28 <unfinished ...>
[pid  6107] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6111] close(8 <unfinished ...>
[pid  6110] close(27 <unfinished ...>
[pid  6109] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6107] exit_group(0 <unfinished ...>
[pid  6111] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6110] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6109] close(29 <unfinished ...>
[pid  6107] <... exit_group resumed>)   = ?
[pid  5853] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6111] close(9 <unfinished ...>
[pid  6110] close(28 <unfinished ...>
[pid  6109] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6111] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6110] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6111] close(10 <unfinished ...>
[pid  6110] close(29 <unfinished ...>
[pid  6109] exit_group(0 <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6111] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6110] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6109] <... exit_group resumed>)   = ?
[pid  5853] <... openat resumed>)       = 3
[pid  6111] close(11 <unfinished ...>
[pid  6110] exit_group(0 <unfinished ...>
[pid  6107] +++ exited with 0 +++
[pid  5853] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6111] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6110] <... exit_group resumed>)   = ?
[pid  6109] +++ exited with 0 +++
[pid  6111] close(12 <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] getdents64(3, 0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6111] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6110] +++ exited with 0 +++
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6111] close(13 <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] <... restart_syscall resumed>) = 0
[pid  6111] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... restart_syscall resumed>) = 0
[pid  6111] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6111] close(15 <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./48/binderfs",  <unfinished ...>
[pid  6111] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6111] close(16 <unfinished ...>
[pid  5857] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6111] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6111] close(17 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] <... openat resumed>)       = 3
[pid  5853] unlink("./48/binderfs" <unfinished ...>
[pid  6111] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... openat resumed>)       = 3
[pid  6111] close(18 <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  6111] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6111] close(19 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6111] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6111] close(20 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] close(3 <unfinished ...>
[pid  6111] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6111] close(21 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... close resumed>)        = 0
[pid  6111] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./47/binderfs",  <unfinished ...>
[pid  5853] rmdir("./48" <unfinished ...>
[pid  6111] close(22 <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./48/binderfs",  <unfinished ...>
[pid  6111] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... rmdir resumed>)        = 0
[pid  6111] close(23 <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./49/binderfs",  <unfinished ...>
[pid  5853] mkdir("./49", 0777 <unfinished ...>
[pid  6111] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] unlink("./48/binderfs" <unfinished ...>
[pid  5854] unlink("./47/binderfs" <unfinished ...>
[pid  6111] close(24 <unfinished ...>
[pid  5857] unlink("./49/binderfs" <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  6111] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6111] close(25 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6111] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6111] close(26 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  6111] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6111] close(27 <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5854] <... close resumed>)        = 0
[pid  6111] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] rmdir("./47" <unfinished ...>
[pid  6111] close(28 <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5855] rmdir("./48" <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  6111] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... rmdir resumed>)        = 0
[pid  6111] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  6111] exit_group(0 <unfinished ...>
[pid  5855] mkdir("./49", 0777 <unfinished ...>
[pid  5854] mkdir("./48", 0777./strace-static-x86_64: Process 6112 attached
 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  6111] <... exit_group resumed>)   = ?
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 51
[pid  6112] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  6112] <... set_robust_list resumed>) = 0
[pid  6111] +++ exited with 0 +++
[pid  5857] <... close resumed>)        = 0
[pid  6112] chdir("./49" <unfinished ...>
[pid  5857] rmdir("./49" <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6112] <... chdir resumed>)        = 0
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
./strace-static-x86_64: Process 6113 attached
[pid  6112] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] mkdir("./50", 0777./strace-static-x86_64: Process 6114 attached
 <unfinished ...>
[pid  6112] <... prctl resumed>)        = 0
[pid  5857] <... mkdir resumed>)        = 0
[pid  6114] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6113] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6112] setpgid(0, 0 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6114] <... set_robust_list resumed>) = 0
[pid  6113] <... set_robust_list resumed>) = 0
[pid  6112] <... setpgid resumed>)      = 0
./strace-static-x86_64: Process 6115 attached
[pid  6113] chdir("./48" <unfinished ...>
[pid  6112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5856] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6114] chdir("./49" <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 51
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 50
[pid  6115] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6113] <... chdir resumed>)        = 0
[pid  6115] <... set_robust_list resumed>) = 0
[pid  6114] <... chdir resumed>)        = 0
[pid  6113] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6112] <... openat resumed>)       = 3
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 52
[pid  5856] <... openat resumed>)       = 3
[pid  6112] write(3, "1000", 4 <unfinished ...>
[pid  6115] chdir("./50" <unfinished ...>
[pid  6112] <... write resumed>)        = 4
[pid  6112] close(3)                    = 0
[pid  6112] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6115] <... chdir resumed>)        = 0
[pid  6114] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6113] <... prctl resumed>)        = 0
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  6115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6114] <... prctl resumed>)        = 0
[pid  6113] setpgid(0, 0 <unfinished ...>
[pid  6112] <... symlink resumed>)      = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6115] setpgid(0, 0 <unfinished ...>
[pid  6114] setpgid(0, 0 <unfinished ...>
[pid  6113] <... setpgid resumed>)      = 0
[pid  6112] write(1, "executing program\n", 18 <unfinished ...>
[pid  5856] getdents64(3, executing program
 <unfinished ...>
[pid  6115] <... setpgid resumed>)      = 0
[pid  6114] <... setpgid resumed>)      = 0
[pid  6113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6112] <... write resumed>)        = 18
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5856] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6115] <... openat resumed>)       = 3
[pid  6114] <... openat resumed>)       = 3
[pid  6113] <... openat resumed>)       = 3
[pid  6112] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6115] write(3, "1000", 4 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6115] <... write resumed>)        = 4
[pid  5856] newfstatat(AT_FDCWD, "./49/binderfs",  <unfinished ...>
[pid  6115] close(3 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6115] <... close resumed>)        = 0
[pid  5856] unlink("./49/binderfs" <unfinished ...>
[pid  6115] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6114] write(3, "1000", 4 <unfinished ...>
[pid  6112] <... bpf resumed>)          = 3
[pid  5856] <... unlink resumed>)       = 0
[pid  6115] <... symlink resumed>)      = 0
[pid  6114] <... write resumed>)        = 4
[pid  6113] write(3, "1000", 4 <unfinished ...>
executing program
[pid  6112] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5856] getdents64(3,  <unfinished ...>
[pid  6115] write(1, "executing program\n", 18 <unfinished ...>
[pid  6114] close(3 <unfinished ...>
[pid  6113] <... write resumed>)        = 4
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6115] <... write resumed>)        = 18
[pid  6114] <... close resumed>)        = 0
[pid  6113] close(3 <unfinished ...>
[pid  6112] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5856] close(3 <unfinished ...>
[pid  6115] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6114] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6113] <... close resumed>)        = 0
[pid  6112] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  6115] <... bpf resumed>)          = 3
[pid  6114] <... symlink resumed>)      = 0
[pid  6113] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5856] rmdir("./49" <unfinished ...>
[pid  6115] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6113] <... symlink resumed>)      = 0
[pid  5856] <... rmdir resumed>)        = 0
[pid  6115] <... bpf resumed>)          = -1 EFAULT (Bad address)
executing program
executing program
[pid  6114] write(1, "executing program\n", 18 <unfinished ...>
[pid  6113] write(1, "executing program\n", 18 <unfinished ...>
[pid  6112] <... bpf resumed>)          = 4
[pid  6115] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6114] <... write resumed>)        = 18
[pid  6113] <... write resumed>)        = 18
[pid  5856] mkdir("./50", 0777 <unfinished ...>
[pid  6115] <... bpf resumed>)          = 4
[pid  6114] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6113] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6112] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  6115] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6114] <... bpf resumed>)          = 3
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6115] <... bpf resumed>)          = 5
[pid  6114] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6113] <... bpf resumed>)          = 3
[pid  6112] <... bpf resumed>)          = 5
./strace-static-x86_64: Process 6116 attached
[pid  6115] close(3 <unfinished ...>
[pid  6114] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6113] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6112] close(3 <unfinished ...>
[pid  6116] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6115] <... close resumed>)        = 0
[pid  6114] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6113] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6116] <... set_robust_list resumed>) = 0
[pid  6115] close(4 <unfinished ...>
[pid  6113] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6112] <... close resumed>)        = 0
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 52
[pid  6116] chdir("./50" <unfinished ...>
[pid  6115] <... close resumed>)        = 0
[pid  6114] <... bpf resumed>)          = 4
[pid  6116] <... chdir resumed>)        = 0
[pid  6115] close(5)                    = 0
[pid  6113] <... bpf resumed>)          = 4
[pid  6116] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6116] setpgid(0, 0 <unfinished ...>
[pid  6115] close(6 <unfinished ...>
[pid  6112] close(4 <unfinished ...>
[pid  6116] <... setpgid resumed>)      = 0
[pid  6114] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6113] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6115] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6114] <... bpf resumed>)          = 5
[pid  6112] <... close resumed>)        = 0
[pid  6113] <... bpf resumed>)          = 5
[pid  6112] close(5 <unfinished ...>
[pid  6115] close(7 <unfinished ...>
[pid  6114] close(3 <unfinished ...>
[pid  6113] close(3 <unfinished ...>
[pid  6112] <... close resumed>)        = 0
[pid  6116] <... openat resumed>)       = 3
[pid  6115] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6113] <... close resumed>)        = 0
[pid  6112] close(6 <unfinished ...>
[pid  6116] write(3, "1000", 4 <unfinished ...>
[pid  6115] close(8 <unfinished ...>
[pid  6112] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] <... write resumed>)        = 4
[pid  6115] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6114] <... close resumed>)        = 0
[pid  6113] close(4 <unfinished ...>
[pid  6112] close(7 <unfinished ...>
[pid  6116] close(3 <unfinished ...>
[pid  6115] close(9 <unfinished ...>
[pid  6112] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] <... close resumed>)        = 0
[pid  6115] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  6114] close(4 <unfinished ...>
[pid  6113] <... close resumed>)        = 0
[pid  6112] close(8 <unfinished ...>
[pid  6116] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6115] close(10 <unfinished ...>
[pid  6114] <... close resumed>)        = 0
[pid  6112] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] <... symlink resumed>)      = 0
[pid  6115] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6112] close(9 <unfinished ...>
[pid  6114] close(5 <unfinished ...>
[pid  6113] close(5 <unfinished ...>
[pid  6112] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6115] close(11 <unfinished ...>
[pid  6116] write(1, "executing program\n", 18 <unfinished ...>
[pid  6115] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6112] close(10 <unfinished ...>
[pid  6116] <... write resumed>)        = 18
[pid  6115] close(12 <unfinished ...>
[pid  6114] <... close resumed>)        = 0
[pid  6116] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6115] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6114] close(6 <unfinished ...>
[pid  6113] <... close resumed>)        = 0
[pid  6112] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6114] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6113] close(6 <unfinished ...>
[pid  6112] close(11 <unfinished ...>
[pid  6114] close(7 <unfinished ...>
[pid  6113] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6112] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6114] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6113] close(7 <unfinished ...>
[pid  6112] close(12 <unfinished ...>
[pid  6114] close(8 <unfinished ...>
[pid  6113] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] <... bpf resumed>)          = 3
[pid  6115] close(13 <unfinished ...>
[pid  6114] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6113] close(8 <unfinished ...>
[pid  6112] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6115] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6114] close(9 <unfinished ...>
[pid  6113] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6115] close(14 <unfinished ...>
[pid  6114] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6112] close(13 <unfinished ...>
[pid  6116] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6115] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6114] close(10 <unfinished ...>
[pid  6113] close(9 <unfinished ...>
[pid  6112] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] <... bpf resumed>)          = 4
[pid  6115] close(15 <unfinished ...>
[pid  6114] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6113] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6112] close(14 <unfinished ...>
[pid  6114] close(11 <unfinished ...>
[pid  6113] close(10 <unfinished ...>
[pid  6112] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6114] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6113] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6112] close(15 <unfinished ...>
[pid  6114] close(12 <unfinished ...>
[pid  6113] close(11 <unfinished ...>
[pid  6112] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6115] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6114] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6112] close(16 <unfinished ...>
[pid  6113] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] <... bpf resumed>)          = 5
[pid  6115] close(16 <unfinished ...>
[pid  6114] close(13 <unfinished ...>
[pid  6113] close(12 <unfinished ...>
[pid  6112] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6114] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6113] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6112] close(17 <unfinished ...>
[pid  6113] close(13 <unfinished ...>
[pid  6114] close(14 <unfinished ...>
[pid  6113] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6112] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] close(3 <unfinished ...>
[pid  6115] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6114] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6113] close(14 <unfinished ...>
[pid  6112] close(18 <unfinished ...>
[pid  6116] <... close resumed>)        = 0
[pid  6115] close(17 <unfinished ...>
[pid  6114] close(15 <unfinished ...>
[pid  6113] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] close(4 <unfinished ...>
[pid  6115] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6114] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6113] close(15 <unfinished ...>
[pid  6112] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] <... close resumed>)        = 0
[pid  6115] close(18 <unfinished ...>
[pid  6113] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6114] close(16 <unfinished ...>
[pid  6112] close(19 <unfinished ...>
[pid  6116] close(5 <unfinished ...>
[pid  6115] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6112] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] <... close resumed>)        = 0
[pid  6115] close(19 <unfinished ...>
[pid  6114] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6113] close(16 <unfinished ...>
[pid  6112] close(20 <unfinished ...>
[pid  6115] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6115] close(20 <unfinished ...>
[pid  6114] close(17 <unfinished ...>
[pid  6112] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6113] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6115] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6114] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6113] close(17 <unfinished ...>
[pid  6112] close(21 <unfinished ...>
[pid  6115] close(21 <unfinished ...>
[pid  6114] close(18 <unfinished ...>
[pid  6113] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6112] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] close(6 <unfinished ...>
[pid  6115] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6115] close(22 <unfinished ...>
[pid  6114] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6113] close(18 <unfinished ...>
[pid  6112] close(22 <unfinished ...>
[pid  6116] close(7 <unfinished ...>
[pid  6115] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6114] close(19 <unfinished ...>
[pid  6113] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6115] close(23 <unfinished ...>
[pid  6112] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] close(8 <unfinished ...>
[pid  6115] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6114] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6113] close(19 <unfinished ...>
[pid  6112] close(23 <unfinished ...>
[pid  6116] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6115] close(24 <unfinished ...>
[pid  6114] close(20 <unfinished ...>
[pid  6113] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] close(9 <unfinished ...>
[pid  6115] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6114] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6113] close(20 <unfinished ...>
[pid  6112] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6115] close(25 <unfinished ...>
[pid  6114] close(21 <unfinished ...>
[pid  6113] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6112] close(24 <unfinished ...>
[pid  6116] close(10 <unfinished ...>
[pid  6115] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6114] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6113] close(21 <unfinished ...>
[pid  6112] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6115] close(26 <unfinished ...>
[pid  6114] close(22 <unfinished ...>
[pid  6113] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6112] close(25 <unfinished ...>
[pid  6116] close(11 <unfinished ...>
[pid  6115] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6115] close(27 <unfinished ...>
[pid  6113] close(22 <unfinished ...>
[pid  6112] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] close(12 <unfinished ...>
[pid  6115] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6115] close(28 <unfinished ...>
[pid  6114] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6113] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6112] close(26 <unfinished ...>
[pid  6116] close(13 <unfinished ...>
[pid  6115] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6114] close(23 <unfinished ...>
[pid  6113] close(23 <unfinished ...>
[pid  6112] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6115] close(29 <unfinished ...>
[pid  6113] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] close(14 <unfinished ...>
[pid  6115] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6114] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6113] close(24 <unfinished ...>
[pid  6112] close(27 <unfinished ...>
[pid  6116] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6115] exit_group(0 <unfinished ...>
[pid  6114] close(24 <unfinished ...>
[pid  6112] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] close(15 <unfinished ...>
[pid  6114] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6113] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6112] close(28 <unfinished ...>
[pid  6114] close(25 <unfinished ...>
[pid  6112] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6114] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6113] close(25 <unfinished ...>
[pid  6112] close(29 <unfinished ...>
[pid  6116] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6115] <... exit_group resumed>)   = ?
[pid  6112] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] close(16 <unfinished ...>
[pid  6115] +++ exited with 0 +++
[pid  6114] close(26 <unfinished ...>
[pid  6113] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] close(17 <unfinished ...>
[pid  6114] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6113] close(26 <unfinished ...>
[pid  6112] exit_group(0 <unfinished ...>
[pid  6116] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6114] close(27 <unfinished ...>
[pid  6113] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6112] <... exit_group resumed>)   = ?
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6116] close(18 <unfinished ...>
[pid  6114] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6113] close(27 <unfinished ...>
[pid  6116] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6113] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6116] close(19 <unfinished ...>
[pid  6114] close(28 <unfinished ...>
[pid  6113] close(28 <unfinished ...>
[pid  6116] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  6116] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  6116] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  6116] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  6116] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  6116] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  6114] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6113] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6112] +++ exited with 0 +++
[pid  5857] <... restart_syscall resumed>) = 0
[pid  6116] close(26 <unfinished ...>
[pid  6114] close(29 <unfinished ...>
[pid  6113] close(29 <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  6116] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6114] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6113] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6116] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  6116] close(28 <unfinished ...>
[pid  6114] exit_group(0 <unfinished ...>
[pid  6116] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6114] <... exit_group resumed>)   = ?
[pid  6113] exit_group(0 <unfinished ...>
[pid  6116] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  6116] exit_group(0)               = ?
[pid  6114] +++ exited with 0 +++
[pid  5853] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6116] +++ exited with 0 +++
[pid  6113] <... exit_group resumed>)   = ?
[pid  5857] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6113] +++ exited with 0 +++
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5857] <... openat resumed>)       = 3
[pid  5856] <... openat resumed>)       = 3
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5853] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] newfstatat(AT_FDCWD, "./50/binderfs",  <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] newfstatat(AT_FDCWD, "./50/binderfs",  <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] newfstatat(AT_FDCWD, "./49/binderfs",  <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] unlink("./50/binderfs" <unfinished ...>
[pid  5856] unlink("./50/binderfs" <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] unlink("./49/binderfs" <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./48/binderfs",  <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] <... close resumed>)        = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] unlink("./48/binderfs" <unfinished ...>
[pid  5856] rmdir("./50" <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./49/binderfs",  <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] close(3 <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] <... rmdir resumed>)        = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] <... close resumed>)        = 0
[pid  5857] rmdir("./50" <unfinished ...>
[pid  5856] mkdir("./51", 0777 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] rmdir("./49" <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] unlink("./49/binderfs" <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... rmdir resumed>)        = 0
[pid  5857] mkdir("./51", 0777 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] close(3 <unfinished ...>
[pid  5853] mkdir("./50", 0777 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5853] <... mkdir resumed>)        = 0
./strace-static-x86_64: Process 6117 attached
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] rmdir("./48" <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6118 attached
 <unfinished ...>
[pid  6117] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 53
[pid  5855] <... close resumed>)        = 0
./strace-static-x86_64: Process 6119 attached
[pid  6118] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6119] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6118] <... set_robust_list resumed>) = 0
[pid  6117] <... set_robust_list resumed>) = 0
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 53
[pid  5855] rmdir("./49" <unfinished ...>
[pid  5854] mkdir("./49", 0777 <unfinished ...>
[pid  6119] <... set_robust_list resumed>) = 0
[pid  6118] chdir("./50" <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  6119] chdir("./51" <unfinished ...>
[pid  6117] chdir("./51" <unfinished ...>
[pid  5855] mkdir("./50", 0777 <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  6119] <... chdir resumed>)        = 0
[pid  6118] <... chdir resumed>)        = 0
[pid  6117] <... chdir resumed>)        = 0
[pid  5855] <... mkdir resumed>)        = 0
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 52
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6119] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6118] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6117] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6119] <... prctl resumed>)        = 0
[pid  6118] <... prctl resumed>)        = 0
[pid  6117] <... prctl resumed>)        = 0
./strace-static-x86_64: Process 6120 attached
[pid  6119] setpgid(0, 0)               = 0
./strace-static-x86_64: Process 6121 attached
[pid  6120] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6118] setpgid(0, 0 <unfinished ...>
[pid  6117] setpgid(0, 0 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 52
[pid  6121] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6120] <... set_robust_list resumed>) = 0
[pid  6118] <... setpgid resumed>)      = 0
[pid  6117] <... setpgid resumed>)      = 0
[pid  6121] <... set_robust_list resumed>) = 0
[pid  6120] chdir("./50" <unfinished ...>
[pid  6119] <... openat resumed>)       = 3
[pid  6118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 51
[pid  6121] chdir("./49" <unfinished ...>
[pid  6120] <... chdir resumed>)        = 0
[pid  6119] write(3, "1000", 4 <unfinished ...>
[pid  6120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6119] <... write resumed>)        = 4
[pid  6120] setpgid(0, 0 <unfinished ...>
[pid  6119] close(3 <unfinished ...>
[pid  6120] <... setpgid resumed>)      = 0
[pid  6119] <... close resumed>)        = 0
[pid  6120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6117] <... openat resumed>)       = 3
[pid  6118] <... openat resumed>)       = 3
[pid  6121] <... chdir resumed>)        = 0
[pid  6118] write(3, "1000", 4 <unfinished ...>
[pid  6117] write(3, "1000", 4 <unfinished ...>
[pid  6121] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6118] <... write resumed>)        = 4
[pid  6121] <... prctl resumed>)        = 0
[pid  6117] <... write resumed>)        = 4
[pid  6118] close(3 <unfinished ...>
[pid  6121] setpgid(0, 0 <unfinished ...>
[pid  6118] <... close resumed>)        = 0
[pid  6121] <... setpgid resumed>)      = 0
[pid  6118] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6117] close(3 <unfinished ...>
[pid  6121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6120] <... openat resumed>)       = 3
[pid  6119] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6117] <... close resumed>)        = 0
[pid  6121] <... openat resumed>)       = 3
[pid  6120] write(3, "1000", 4 <unfinished ...>
[pid  6119] <... symlink resumed>)      = 0
[pid  6118] <... symlink resumed>)      = 0
[pid  6117] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6121] write(3, "1000", 4 <unfinished ...>
[pid  6120] <... write resumed>)        = 4
executing program
[pid  6119] write(1, "executing program\n", 18 <unfinished ...>
[pid  6118] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6121] <... write resumed>)        = 4
[pid  6120] close(3 <unfinished ...>
[pid  6119] <... write resumed>)        = 18
[pid  6118] <... write resumed>)        = 18
[pid  6117] <... symlink resumed>)      = 0
[pid  6121] close(3 <unfinished ...>
[pid  6120] <... close resumed>)        = 0
[pid  6119] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6118] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6121] <... close resumed>)        = 0
[pid  6120] symlink("/dev/binderfs", "./binderfs"executing program
 <unfinished ...>
[pid  6117] write(1, "executing program\n", 18 <unfinished ...>
[pid  6121] symlink("/dev/binderfs", "./binderfs"executing program
executing program
 <unfinished ...>
[pid  6120] <... symlink resumed>)      = 0
[pid  6119] <... bpf resumed>)          = 3
[pid  6118] <... bpf resumed>)          = 3
[pid  6117] <... write resumed>)        = 18
[pid  6121] <... symlink resumed>)      = 0
[pid  6121] write(1, "executing program\n", 18 <unfinished ...>
[pid  6120] write(1, "executing program\n", 18 <unfinished ...>
[pid  6119] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6121] <... write resumed>)        = 18
[pid  6120] <... write resumed>)        = 18
[pid  6118] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6117] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6121] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6120] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6119] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6118] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6121] <... bpf resumed>)          = 3
[pid  6119] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6121] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6120] <... bpf resumed>)          = 3
[pid  6119] <... bpf resumed>)          = 4
[pid  6118] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6117] <... bpf resumed>)          = 3
[pid  6121] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6120] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6119] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6121] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4
[pid  6120] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6119] <... bpf resumed>)          = 5
[pid  6118] <... bpf resumed>)          = 4
[pid  6117] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6121] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6120] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6119] close(3 <unfinished ...>
[pid  6118] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6117] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6121] <... bpf resumed>)          = 5
[pid  6119] <... close resumed>)        = 0
[pid  6117] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6121] close(3)                    = 0
[pid  6121] close(4 <unfinished ...>
[pid  6119] close(4 <unfinished ...>
[pid  6118] <... bpf resumed>)          = 5
[pid  6121] <... close resumed>)        = 0
[pid  6119] <... close resumed>)        = 0
[pid  6118] close(3 <unfinished ...>
[pid  6119] close(5 <unfinished ...>
[pid  6118] <... close resumed>)        = 0
[pid  6121] close(5 <unfinished ...>
[pid  6119] <... close resumed>)        = 0
[pid  6118] close(4 <unfinished ...>
[pid  6121] <... close resumed>)        = 0
[pid  6121] close(6 <unfinished ...>
[pid  6117] <... bpf resumed>)          = 4
[pid  6120] <... bpf resumed>)          = 4
[pid  6119] close(6 <unfinished ...>
[pid  6118] <... close resumed>)        = 0
[pid  6121] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6119] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] close(5 <unfinished ...>
[pid  6121] close(7 <unfinished ...>
[pid  6120] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6119] close(7 <unfinished ...>
[pid  6118] <... close resumed>)        = 0
[pid  6117] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6121] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6119] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6121] close(8 <unfinished ...>
[pid  6119] close(8 <unfinished ...>
[pid  6118] close(6 <unfinished ...>
[pid  6121] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6119] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6121] close(9 <unfinished ...>
[pid  6119] close(9 <unfinished ...>
[pid  6121] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6119] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] close(7 <unfinished ...>
[pid  6121] close(10 <unfinished ...>
[pid  6119] close(10 <unfinished ...>
[pid  6118] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6121] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6119] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] close(8 <unfinished ...>
[pid  6121] close(11 <unfinished ...>
[pid  6119] close(11 <unfinished ...>
[pid  6121] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6119] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6121] close(12 <unfinished ...>
[pid  6119] close(12 <unfinished ...>
[pid  6118] close(9 <unfinished ...>
[pid  6121] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6119] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6121] close(13 <unfinished ...>
[pid  6119] close(13 <unfinished ...>
[pid  6121] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6119] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] close(10 <unfinished ...>
[pid  6121] close(14 <unfinished ...>
[pid  6119] close(14 <unfinished ...>
[pid  6118] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6121] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6119] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] close(11 <unfinished ...>
[pid  6121] close(15 <unfinished ...>
[pid  6119] close(15 <unfinished ...>
[pid  6118] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6121] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6119] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] close(12 <unfinished ...>
[pid  6121] close(16 <unfinished ...>
[pid  6119] close(16 <unfinished ...>
[pid  6118] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6121] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6119] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] close(13 <unfinished ...>
[pid  6121] close(17 <unfinished ...>
[pid  6119] close(17 <unfinished ...>
[pid  6118] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6121] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6119] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] close(14 <unfinished ...>
[pid  6121] close(18 <unfinished ...>
[pid  6119] close(18 <unfinished ...>
[pid  6118] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6121] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6119] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] close(15 <unfinished ...>
[pid  6121] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  6119] close(19 <unfinished ...>
[pid  6118] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6121] close(20 <unfinished ...>
[pid  6119] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] close(16 <unfinished ...>
[pid  6121] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6119] close(20 <unfinished ...>
[pid  6118] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6121] close(21 <unfinished ...>
[pid  6119] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] close(17 <unfinished ...>
[pid  6121] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6119] close(21 <unfinished ...>
[pid  6118] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6121] close(22 <unfinished ...>
[pid  6119] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] close(18 <unfinished ...>
[pid  6121] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6119] close(22 <unfinished ...>
[pid  6118] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6121] close(23 <unfinished ...>
[pid  6119] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] close(19 <unfinished ...>
[pid  6121] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6120] <... bpf resumed>)          = 5
[pid  6119] close(23 <unfinished ...>
[pid  6118] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6121] close(24 <unfinished ...>
[pid  6120] close(3 <unfinished ...>
[pid  6119] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] close(20 <unfinished ...>
[pid  6117] <... bpf resumed>)          = 5
[pid  6120] <... close resumed>)        = 0
[pid  6121] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6119] close(24 <unfinished ...>
[pid  6118] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6121] close(25 <unfinished ...>
[pid  6120] close(4 <unfinished ...>
[pid  6119] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] close(21 <unfinished ...>
[pid  6121] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6120] <... close resumed>)        = 0
[pid  6119] close(25 <unfinished ...>
[pid  6118] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6117] close(3 <unfinished ...>
[pid  6121] close(26 <unfinished ...>
[pid  6120] close(5 <unfinished ...>
[pid  6119] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] close(22 <unfinished ...>
[pid  6121] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6119] close(26 <unfinished ...>
[pid  6118] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6117] <... close resumed>)        = 0
[pid  6121] close(27 <unfinished ...>
[pid  6120] <... close resumed>)        = 0
[pid  6119] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] close(23 <unfinished ...>
[pid  6117] close(4 <unfinished ...>
[pid  6121] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6120] close(6 <unfinished ...>
[pid  6119] close(27 <unfinished ...>
[pid  6118] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6120] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6117] <... close resumed>)        = 0
[pid  6121] close(28 <unfinished ...>
[pid  6120] close(7 <unfinished ...>
[pid  6119] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] close(24 <unfinished ...>
[pid  6117] close(5 <unfinished ...>
[pid  6121] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6120] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6119] close(28 <unfinished ...>
[pid  6118] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6121] close(29 <unfinished ...>
[pid  6119] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] close(25 <unfinished ...>
[pid  6121] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6120] close(8 <unfinished ...>
[pid  6119] close(29 <unfinished ...>
[pid  6118] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6121] exit_group(0 <unfinished ...>
[pid  6120] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6119] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] close(26 <unfinished ...>
[pid  6117] <... close resumed>)        = 0
[pid  6120] close(9 <unfinished ...>
[pid  6121] <... exit_group resumed>)   = ?
[pid  6120] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6119] exit_group(0 <unfinished ...>
[pid  6118] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6117] close(6 <unfinished ...>
[pid  6120] close(10 <unfinished ...>
[pid  6117] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6121] +++ exited with 0 +++
[pid  6120] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6119] <... exit_group resumed>)   = ?
[pid  6118] close(27 <unfinished ...>
[pid  6117] close(7 <unfinished ...>
[pid  6120] close(11 <unfinished ...>
[pid  6117] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6120] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6117] close(8 <unfinished ...>
[pid  6120] close(12 <unfinished ...>
[pid  6117] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] close(28 <unfinished ...>
[pid  6120] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6117] close(9 <unfinished ...>
[pid  6120] close(13 <unfinished ...>
[pid  6119] +++ exited with 0 +++
[pid  6118] close(29 <unfinished ...>
[pid  6117] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6120] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6120] close(14 <unfinished ...>
[pid  6117] close(10 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6120] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6117] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6120] close(15 <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  6120] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6120] close(16 <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  6120] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] exit_group(0 <unfinished ...>
[pid  6117] close(11 <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6120] close(17 <unfinished ...>
[pid  6118] <... exit_group resumed>)   = ?
[pid  6120] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6120] close(18 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6120] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6120] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  6117] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6120] close(20 <unfinished ...>
[pid  6117] close(12 <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6120] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6117] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6120] close(21 <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./49/binderfs",  <unfinished ...>
[pid  6120] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6117] close(13 <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6120] close(22 <unfinished ...>
[pid  6117] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6120] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6117] close(14 <unfinished ...>
[pid  6120] close(23 <unfinished ...>
[pid  6117] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6120] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6117] close(15 <unfinished ...>
[pid  6120] close(24 <unfinished ...>
[pid  6117] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6120] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6117] close(16 <unfinished ...>
[pid  6120] close(25 <unfinished ...>
[pid  6117] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6120] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6118] +++ exited with 0 +++
[pid  6117] close(17 <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5854] unlink("./49/binderfs" <unfinished ...>
[pid  6120] close(26 <unfinished ...>
[pid  6117] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... unlink resumed>)       = 0
[pid  6120] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6117] close(18 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6120] close(27 <unfinished ...>
[pid  6117] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6120] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6117] close(19 <unfinished ...>
[pid  5857] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  6120] close(28 <unfinished ...>
[pid  6117] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... close resumed>)        = 0
[pid  6120] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6117] close(20 <unfinished ...>
[pid  5854] rmdir("./49" <unfinished ...>
[pid  5853] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6120] close(29 <unfinished ...>
[pid  6117] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6120] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6120] exit_group(0 <unfinished ...>
[pid  6117] close(21 <unfinished ...>
[pid  5854] mkdir("./50", 0777 <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  6120] <... exit_group resumed>)   = ?
[pid  6117] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... openat resumed>)       = 3
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
./strace-static-x86_64: Process 6122 attached
[pid  6120] +++ exited with 0 +++
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6117] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  6117] close(23 <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  6117] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6117] close(24 <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  6122] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6117] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6122] <... set_robust_list resumed>) = 0
[pid  6117] close(25 <unfinished ...>
[pid  5857] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 52
[pid  5853] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6122] chdir("./50" <unfinished ...>
[pid  6117] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6122] <... chdir resumed>)        = 0
[pid  6117] close(26 <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./51/binderfs",  <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./50/binderfs",  <unfinished ...>
[pid  6122] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6117] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6122] <... prctl resumed>)        = 0
[pid  6117] close(27 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] unlink("./50/binderfs" <unfinished ...>
[pid  6122] setpgid(0, 0 <unfinished ...>
[pid  6117] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] unlink("./51/binderfs" <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  6122] <... setpgid resumed>)      = 0
[pid  6117] close(28 <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] close(3 <unfinished ...>
[pid  6117] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  6122] <... openat resumed>)       = 3
[pid  6117] close(29 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] rmdir("./50" <unfinished ...>
[pid  6117] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] close(3 <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  6122] write(3, "1000", 4 <unfinished ...>
[pid  5853] mkdir("./51", 0777 <unfinished ...>
[pid  6122] <... write resumed>)        = 4
[pid  6117] exit_group(0 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  6122] close(3)                    = 0
[pid  6117] <... exit_group resumed>)   = ?
[pid  5857] rmdir("./51" <unfinished ...>
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6122] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5857] mkdir("./52", 0777 <unfinished ...>
[pid  6122] <... symlink resumed>)      = 0
executing program
./strace-static-x86_64: Process 6123 attached
[pid  6122] write(1, "executing program\n", 18 <unfinished ...>
[pid  6117] +++ exited with 0 +++
[pid  5857] <... mkdir resumed>)        = 0
[pid  5855] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 53
[pid  6122] <... write resumed>)        = 18
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6122] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6123] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6122] <... bpf resumed>)          = 3
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6123] <... set_robust_list resumed>) = 0
[pid  6122] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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 EFAULT (Bad address)
./strace-static-x86_64: Process 6124 attached
[pid  6123] chdir("./51" <unfinished ...>
[pid  6122] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5855] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6124] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6123] <... chdir resumed>)        = 0
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 54
[pid  6124] <... set_robust_list resumed>) = 0
[pid  6123] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  6123] <... prctl resumed>)        = 0
[pid  6122] <... bpf resumed>)          = 4
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5856] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6122] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6123] setpgid(0, 0 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6124] chdir("./52" <unfinished ...>
[pid  6122] <... bpf resumed>)          = 5
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6123] <... setpgid resumed>)      = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6124] <... chdir resumed>)        = 0
[pid  6123] <... openat resumed>)       = 3
[pid  6122] close(3 <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5855] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6124] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6124] <... prctl resumed>)        = 0
[pid  6123] write(3, "1000", 4 <unfinished ...>
[pid  6122] <... close resumed>)        = 0
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./50/binderfs",  <unfinished ...>
[pid  6124] setpgid(0, 0 <unfinished ...>
[pid  6123] <... write resumed>)        = 4
[pid  6122] close(4 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6124] <... setpgid resumed>)      = 0
[pid  6123] close(3 <unfinished ...>
[pid  6122] <... close resumed>)        = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] unlink("./50/binderfs" <unfinished ...>
[pid  6124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6123] <... close resumed>)        = 0
[pid  6122] close(5 <unfinished ...>
[pid  6124] <... openat resumed>)       = 3
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... unlink resumed>)       = 0
[pid  6123] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6122] <... close resumed>)        = 0
[pid  5856] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6124] write(3, "1000", 4)         = 4
[pid  6124] close(3)                    = 0
[pid  6124] symlink("/dev/binderfs", "./binderfs") = 0
[pid  6124] write(1, "executing program\n", 18 <unfinished ...>
[pid  6123] <... symlink resumed>)      = 0
[pid  6122] close(6executing program
 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6124] <... write resumed>)        = 18
[pid  6124] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  6124] <... bpf resumed>)          = 3
[pid  6123] write(1, "executing program\n", 18 <unfinished ...>
[pid  6122] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  5856] newfstatat(AT_FDCWD, "./51/binderfs",  <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  6123] <... write resumed>)        = 18
[pid  6122] close(7 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] rmdir("./50" <unfinished ...>
[pid  6122] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6124] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6123] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6122] close(8 <unfinished ...>
[pid  6124] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6123] <... bpf resumed>)          = 3
[pid  6122] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] unlink("./51/binderfs" <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  6124] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6123] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6122] close(9 <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  6122] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] mkdir("./51", 0777 <unfinished ...>
[pid  6122] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6124] <... bpf resumed>)          = 4
[pid  6122] close(11 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6122] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] close(3 <unfinished ...>
[pid  6122] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  5856] <... close resumed>)        = 0
[pid  6122] close(13 <unfinished ...>
[pid  5856] rmdir("./51" <unfinished ...>
[pid  6122] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6123] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6122] close(14 <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  6123] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6122] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... mkdir resumed>)        = 0
[pid  6124] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6122] close(15 <unfinished ...>
[pid  5856] mkdir("./52", 0777 <unfinished ...>
[pid  6122] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... mkdir resumed>)        = 0
[pid  6123] <... bpf resumed>)          = 4
[pid  6122] close(16 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6125 attached
 <unfinished ...>
[pid  6124] <... bpf resumed>)          = 5
[pid  6123] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6122] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6122] close(17./strace-static-x86_64: Process 6126 attached
 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 54
[pid  6125] <... set_robust_list resumed>) = 0
[pid  6124] close(3 <unfinished ...>
[pid  6123] <... bpf resumed>)          = 5
[pid  6122] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6126] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6124] <... close resumed>)        = 0
[pid  6126] <... set_robust_list resumed>) = 0
[pid  6125] chdir("./52" <unfinished ...>
[pid  6124] close(4 <unfinished ...>
[pid  6123] close(3 <unfinished ...>
[pid  6122] close(18 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 53
[pid  6124] <... close resumed>)        = 0
[pid  6123] <... close resumed>)        = 0
[pid  6122] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6126] chdir("./51" <unfinished ...>
[pid  6125] <... chdir resumed>)        = 0
[pid  6124] close(5 <unfinished ...>
[pid  6123] close(4 <unfinished ...>
[pid  6122] close(19 <unfinished ...>
[pid  6125] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6122] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] <... prctl resumed>)        = 0
[pid  6123] <... close resumed>)        = 0
[pid  6122] close(20 <unfinished ...>
[pid  6125] setpgid(0, 0 <unfinished ...>
[pid  6123] close(5 <unfinished ...>
[pid  6126] <... chdir resumed>)        = 0
[pid  6122] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6126] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6125] <... setpgid resumed>)      = 0
[pid  6122] close(21 <unfinished ...>
[pid  6125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6123] <... close resumed>)        = 0
[pid  6122] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6126] <... prctl resumed>)        = 0
[pid  6122] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  6122] close(23 <unfinished ...>
[pid  6126] setpgid(0, 0 <unfinished ...>
[pid  6125] <... openat resumed>)       = 3
[pid  6124] <... close resumed>)        = 0
[pid  6123] close(6 <unfinished ...>
[pid  6122] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6126] <... setpgid resumed>)      = 0
[pid  6124] close(6 <unfinished ...>
[pid  6126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6125] write(3, "1000", 4 <unfinished ...>
[pid  6122] close(24 <unfinished ...>
[pid  6124] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] <... write resumed>)        = 4
[pid  6124] close(7 <unfinished ...>
[pid  6123] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6122] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] close(3 <unfinished ...>
[pid  6124] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6123] close(7 <unfinished ...>
[pid  6122] close(25 <unfinished ...>
[pid  6125] <... close resumed>)        = 0
[pid  6124] close(8 <unfinished ...>
[pid  6122] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6123] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6126] <... openat resumed>)       = 3
[pid  6125] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6124] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6123] close(8 <unfinished ...>
[pid  6122] close(26 <unfinished ...>
[pid  6125] <... symlink resumed>)      = 0
[pid  6124] close(9 <unfinished ...>
[pid  6126] write(3, "1000", 4 <unfinished ...>
[pid  6123] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6122] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  6126] <... write resumed>)        = 4
[pid  6124] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6123] close(9 <unfinished ...>
[pid  6122] close(27 <unfinished ...>
[pid  6126] close(3 <unfinished ...>
[pid  6125] write(1, "executing program\n", 18 <unfinished ...>
[pid  6124] close(10 <unfinished ...>
[pid  6123] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6122] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6126] <... close resumed>)        = 0
[pid  6125] <... write resumed>)        = 18
[pid  6124] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6123] close(10 <unfinished ...>
[pid  6122] close(28 <unfinished ...>
[pid  6126] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6125] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6126] <... symlink resumed>)      = 0
executing program
[pid  6124] close(11 <unfinished ...>
[pid  6123] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6126] write(1, "executing program\n", 18 <unfinished ...>
[pid  6124] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6123] close(11 <unfinished ...>
[pid  6126] <... write resumed>)        = 18
[pid  6124] close(12 <unfinished ...>
[pid  6123] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] <... bpf resumed>)          = 3
[pid  6124] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6123] close(12 <unfinished ...>
[pid  6122] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6126] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6125] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6124] close(13 <unfinished ...>
[pid  6123] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6122] close(29 <unfinished ...>
[pid  6126] <... bpf resumed>)          = 3
[pid  6125] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6122] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6126] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6125] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6124] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6123] close(13 <unfinished ...>
[pid  6122] exit_group(0 <unfinished ...>
[pid  6126] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6125] <... bpf resumed>)          = 4
[pid  6124] close(14 <unfinished ...>
[pid  6123] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6122] <... exit_group resumed>)   = ?
[pid  6126] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6124] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6123] close(14 <unfinished ...>
[pid  6122] +++ exited with 0 +++
[pid  6125] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6124] close(15 <unfinished ...>
[pid  6123] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] <... bpf resumed>)          = 5
[pid  6124] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6123] close(15 <unfinished ...>
[pid  6124] close(16 <unfinished ...>
[pid  6123] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6126] <... bpf resumed>)          = 4
[pid  6124] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6123] close(16 <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6125] close(3 <unfinished ...>
[pid  6124] close(17 <unfinished ...>
[pid  6123] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] <... close resumed>)        = 0
[pid  6125] close(4)                    = 0
[pid  6126] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6125] close(5 <unfinished ...>
[pid  6124] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6123] close(17 <unfinished ...>
[pid  6124] close(18 <unfinished ...>
[pid  6123] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6124] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6123] close(18 <unfinished ...>
[pid  6124] close(19 <unfinished ...>
[pid  6123] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6126] <... bpf resumed>)          = 5
[pid  6123] close(19 <unfinished ...>
[pid  6125] <... close resumed>)        = 0
[pid  6124] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] close(6 <unfinished ...>
[pid  6126] close(3 <unfinished ...>
[pid  6124] close(20 <unfinished ...>
[pid  6123] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... restart_syscall resumed>) = 0
[pid  6126] <... close resumed>)        = 0
[pid  6125] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6124] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6123] close(20 <unfinished ...>
[pid  6126] close(4 <unfinished ...>
[pid  6125] close(7 <unfinished ...>
[pid  6124] close(21 <unfinished ...>
[pid  6123] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6126] <... close resumed>)        = 0
[pid  6125] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6124] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6123] close(21 <unfinished ...>
[pid  6126] close(5 <unfinished ...>
[pid  6125] close(8 <unfinished ...>
[pid  6124] close(22 <unfinished ...>
[pid  6123] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6126] <... close resumed>)        = 0
[pid  6125] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6124] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6123] close(22 <unfinished ...>
[pid  6125] close(9 <unfinished ...>
[pid  6124] close(23 <unfinished ...>
[pid  6123] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6126] close(6 <unfinished ...>
[pid  6125] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6124] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6123] close(23 <unfinished ...>
[pid  6126] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] close(10 <unfinished ...>
[pid  6124] close(24 <unfinished ...>
[pid  6123] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6126] close(7 <unfinished ...>
[pid  6125] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6124] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6123] close(24 <unfinished ...>
[pid  6126] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] close(11 <unfinished ...>
[pid  6124] close(25 <unfinished ...>
[pid  6123] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6126] close(8 <unfinished ...>
[pid  6125] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6124] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6123] close(25 <unfinished ...>
[pid  6126] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] close(12 <unfinished ...>
[pid  6124] close(26 <unfinished ...>
[pid  6123] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... openat resumed>)       = 3
[pid  6126] close(9 <unfinished ...>
[pid  6125] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6124] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6123] close(26 <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  6126] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] close(13 <unfinished ...>
[pid  6124] close(27 <unfinished ...>
[pid  6123] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6126] close(10 <unfinished ...>
[pid  6125] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6124] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6123] close(27 <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6126] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] close(14 <unfinished ...>
[pid  6124] close(28 <unfinished ...>
[pid  6123] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6126] close(11 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6126] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6124] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6123] close(28 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6126] close(12 <unfinished ...>
[pid  6125] close(15 <unfinished ...>
[pid  6124] close(29 <unfinished ...>
[pid  6123] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6126] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6124] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6123] close(29 <unfinished ...>
[pid  5854] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6126] close(13 <unfinished ...>
[pid  6125] close(16 <unfinished ...>
[pid  6124] exit_group(0 <unfinished ...>
[pid  6123] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6126] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6126] close(14 <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./50/binderfs",  <unfinished ...>
[pid  6126] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] close(17 <unfinished ...>
[pid  6124] <... exit_group resumed>)   = ?
[pid  6123] exit_group(0 <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6126] close(15 <unfinished ...>
[pid  6125] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] unlink("./50/binderfs" <unfinished ...>
[pid  6126] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] close(18 <unfinished ...>
[pid  6123] <... exit_group resumed>)   = ?
[pid  5854] <... unlink resumed>)       = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6126] close(16 <unfinished ...>
[pid  6125] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6124] +++ exited with 0 +++
[pid  6123] +++ exited with 0 +++
[pid  6126] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] close(19 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6126] close(17 <unfinished ...>
[pid  6125] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] close(3 <unfinished ...>
[pid  6126] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] close(20 <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  6126] close(18 <unfinished ...>
[pid  6125] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] rmdir("./50" <unfinished ...>
[pid  6126] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] close(21 <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  6126] close(19 <unfinished ...>
[pid  5857] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6126] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] mkdir("./51", 0777 <unfinished ...>
[pid  5853] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6126] close(20 <unfinished ...>
[pid  6125] close(22 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... mkdir resumed>)        = 0
[pid  6126] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6126] close(21 <unfinished ...>
[pid  6125] close(23 <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
./strace-static-x86_64: Process 6127 attached
[pid  6126] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  6126] close(22 <unfinished ...>
[pid  6125] close(24 <unfinished ...>
[pid  6126] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6126] close(23 <unfinished ...>
[pid  6125] close(25 <unfinished ...>
[pid  6126] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6126] close(24 <unfinished ...>
[pid  6125] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6126] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] close(26 <unfinished ...>
[pid  6126] close(25 <unfinished ...>
[pid  6125] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 53
[pid  6126] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] close(27 <unfinished ...>
[pid  6126] close(26 <unfinished ...>
[pid  6125] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6126] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] close(28 <unfinished ...>
[pid  6126] close(27 <unfinished ...>
[pid  6125] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6126] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6126] close(28 <unfinished ...>
[pid  6125] close(29 <unfinished ...>
[pid  6126] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6126] close(29 <unfinished ...>
[pid  6125] exit_group(0 <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6127] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6127] <... set_robust_list resumed>) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  6126] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6125] <... exit_group resumed>)   = ?
[pid  6127] chdir("./51" <unfinished ...>
[pid  6126] exit_group(0 <unfinished ...>
[pid  6125] +++ exited with 0 +++
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6127] <... chdir resumed>)        = 0
[pid  6126] <... exit_group resumed>)   = ?
[pid  6127] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6126] +++ exited with 0 +++
[pid  5857] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6127] <... prctl resumed>)        = 0
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6127] setpgid(0, 0 <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./52/binderfs",  <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6127] <... setpgid resumed>)      = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] unlink("./52/binderfs" <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./51/binderfs",  <unfinished ...>
[pid  5855] <... restart_syscall resumed>) = 0
[pid  6127] <... openat resumed>)       = 3
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] unlink("./51/binderfs" <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6127] write(3, "1000", 4 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  6127] <... write resumed>)        = 4
[pid  5855] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6127] close(3 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6127] <... close resumed>)        = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6127] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5857] rmdir("./52" <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6127] <... symlink resumed>)      = 0
[pid  5853] getdents64(3, 0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] close(3)                    = 0
[pid  5853] rmdir("./51" <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5853] <... rmdir resumed>)        = 0
[pid  6127] write(1, "executing program\n", 18 <unfinished ...>
[pid  5857] mkdir("./53", 0777executing program
 <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5853] mkdir("./52", 0777 <unfinished ...>
[pid  6127] <... write resumed>)        = 18
[pid  5856] <... openat resumed>)       = 3
[pid  5857] <... mkdir resumed>)        = 0
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6127] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
./strace-static-x86_64: Process 6128 attached
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6128] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 54
[pid  6128] <... set_robust_list resumed>) = 0
[pid  6128] chdir("./52" <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] getdents64(3, ./strace-static-x86_64: Process 6129 attached
 <unfinished ...>
[pid  6128] <... chdir resumed>)        = 0
[pid  6127] <... bpf resumed>)          = 3
[pid  6129] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6128] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6129] <... set_robust_list resumed>) = 0
[pid  6127] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6128] <... prctl resumed>)        = 0
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 55
[pid  5856] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6127] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5855] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6127] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6128] setpgid(0, 0 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6128] <... setpgid resumed>)      = 0
[pid  5856] newfstatat(AT_FDCWD, "./52/binderfs",  <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./51/binderfs",  <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6129] chdir("./53" <unfinished ...>
[pid  6128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5856] unlink("./52/binderfs" <unfinished ...>
[pid  5855] unlink("./51/binderfs" <unfinished ...>
[pid  6129] <... chdir resumed>)        = 0
[pid  6127] <... bpf resumed>)          = 4
[pid  5856] <... unlink resumed>)       = 0
[pid  6129] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6127] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  6129] <... prctl resumed>)        = 0
[pid  6128] <... openat resumed>)       = 3
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6128] write(3, "1000", 4 <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6128] <... write resumed>)        = 4
[pid  5856] <... close resumed>)        = 0
[pid  5855] close(3 <unfinished ...>
[pid  6128] close(3 <unfinished ...>
[pid  5856] rmdir("./52" <unfinished ...>
[pid  6128] <... close resumed>)        = 0
[pid  6127] <... bpf resumed>)          = 5
[pid  5855] <... close resumed>)        = 0
[pid  5855] rmdir("./51" <unfinished ...>
[pid  6127] close(3 <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
executing program
[pid  6128] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6127] <... close resumed>)        = 0
[pid  5856] mkdir("./53", 0777 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  6129] setpgid(0, 0 <unfinished ...>
[pid  6128] <... symlink resumed>)      = 0
[pid  6129] <... setpgid resumed>)      = 0
[pid  6129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  6128] write(1, "executing program\n", 18 <unfinished ...>
[pid  6127] close(4 <unfinished ...>
[pid  5855] mkdir("./52", 0777 <unfinished ...>
[pid  6129] <... openat resumed>)       = 3
[pid  6128] <... write resumed>)        = 18
[pid  6127] <... close resumed>)        = 0
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  6129] write(3, "1000", 4 <unfinished ...>
[pid  6128] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6127] close(5 <unfinished ...>
[pid  6129] <... write resumed>)        = 4
[pid  6129] close(3./strace-static-x86_64: Process 6130 attached
)                    = 0
[pid  6129] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6130] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6129] <... symlink resumed>)      = 0
[pid  6128] <... bpf resumed>)          = 3
[pid  6127] <... close resumed>)        = 0
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 55
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6130] <... set_robust_list resumed>) = 0
[pid  6128] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6127] close(6)                    = -1 EBADF (Bad file descriptor)
executing program
[pid  6127] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  6127] close(8./strace-static-x86_64: Process 6131 attached
 <unfinished ...>
[pid  6130] chdir("./53" <unfinished ...>
[pid  6127] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6129] write(1, "executing program\n", 18 <unfinished ...>
[pid  6128] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6129] <... write resumed>)        = 18
[pid  6128] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6131] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6130] <... chdir resumed>)        = 0
[pid  6129] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6127] close(9 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 54
[pid  6131] <... set_robust_list resumed>) = 0
[pid  6130] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6129] <... bpf resumed>)          = 3
[pid  6127] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] chdir("./52" <unfinished ...>
[pid  6130] <... prctl resumed>)        = 0
[pid  6129] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6127] close(10 <unfinished ...>
[pid  6131] <... chdir resumed>)        = 0
[pid  6130] setpgid(0, 0 <unfinished ...>
[pid  6128] <... bpf resumed>)          = 4
[pid  6127] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6130] <... setpgid resumed>)      = 0
[pid  6129] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6127] close(11 <unfinished ...>
[pid  6131] <... prctl resumed>)        = 0
[pid  6127] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] setpgid(0, 0 <unfinished ...>
[pid  6127] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  6131] <... setpgid resumed>)      = 0
[pid  6130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6129] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6128] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6127] close(13 <unfinished ...>
[pid  6131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6127] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] <... openat resumed>)       = 3
[pid  6130] <... openat resumed>)       = 3
[pid  6129] <... bpf resumed>)          = 4
[pid  6128] <... bpf resumed>)          = 5
[pid  6127] close(14 <unfinished ...>
[pid  6131] write(3, "1000", 4 <unfinished ...>
[pid  6130] write(3, "1000", 4 <unfinished ...>
[pid  6131] <... write resumed>)        = 4
[pid  6127] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] close(3 <unfinished ...>
[pid  6127] close(15 <unfinished ...>
[pid  6131] <... close resumed>)        = 0
[pid  6130] <... write resumed>)        = 4
[pid  6129] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6128] close(3 <unfinished ...>
[pid  6127] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6130] close(3 <unfinished ...>
[pid  6129] <... bpf resumed>)          = 5
[pid  6127] close(16executing program
 <unfinished ...>
[pid  6131] <... symlink resumed>)      = 0
[pid  6130] <... close resumed>)        = 0
[pid  6128] <... close resumed>)        = 0
[pid  6127] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] write(1, "executing program\n", 18 <unfinished ...>
[pid  6130] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6129] close(3 <unfinished ...>
[pid  6128] close(4 <unfinished ...>
[pid  6131] <... write resumed>)        = 18
[pid  6130] <... symlink resumed>)      = 0
[pid  6129] <... close resumed>)        = 0
[pid  6128] <... close resumed>)        = 0
[pid  6127] close(17 <unfinished ...>
[pid  6131] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6130] write(1, "executing program\n", 18 <unfinished ...>
[pid  6128] close(5 <unfinished ...>
[pid  6131] <... bpf resumed>)          = 3
[pid  6127] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  6131] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6130] <... write resumed>)        = 18
[pid  6129] close(4 <unfinished ...>
[pid  6128] <... close resumed>)        = 0
[pid  6127] close(18 <unfinished ...>
[pid  6131] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6130] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6129] <... close resumed>)        = 0
[pid  6131] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6130] <... bpf resumed>)          = 3
[pid  6129] close(5 <unfinished ...>
[pid  6128] close(6 <unfinished ...>
[pid  6127] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] <... bpf resumed>)          = 4
[pid  6130] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6129] <... close resumed>)        = 0
[pid  6128] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6127] close(19 <unfinished ...>
[pid  6131] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6127] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] <... bpf resumed>)          = 5
[pid  6130] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6129] close(6 <unfinished ...>
[pid  6128] close(7 <unfinished ...>
[pid  6127] close(20 <unfinished ...>
[pid  6131] close(3 <unfinished ...>
[pid  6130] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6129] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6128] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6127] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] <... close resumed>)        = 0
[pid  6130] <... bpf resumed>)          = 4
[pid  6129] close(7 <unfinished ...>
[pid  6128] close(8 <unfinished ...>
[pid  6127] close(21 <unfinished ...>
[pid  6131] close(4 <unfinished ...>
[pid  6130] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6129] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6128] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6127] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] <... close resumed>)        = 0
[pid  6130] <... bpf resumed>)          = 5
[pid  6129] close(8 <unfinished ...>
[pid  6128] close(9 <unfinished ...>
[pid  6131] close(5 <unfinished ...>
[pid  6127] close(22 <unfinished ...>
[pid  6129] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6128] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6127] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] <... close resumed>)        = 0
[pid  6130] close(3 <unfinished ...>
[pid  6129] close(9 <unfinished ...>
[pid  6128] close(10 <unfinished ...>
[pid  6130] <... close resumed>)        = 0
[pid  6129] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6128] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6127] close(23 <unfinished ...>
[pid  6131] close(6 <unfinished ...>
[pid  6130] close(4 <unfinished ...>
[pid  6129] close(10 <unfinished ...>
[pid  6128] close(11 <unfinished ...>
[pid  6127] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6130] <... close resumed>)        = 0
[pid  6129] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6128] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6127] close(24 <unfinished ...>
[pid  6131] close(7 <unfinished ...>
[pid  6130] close(5 <unfinished ...>
[pid  6129] close(11 <unfinished ...>
[pid  6128] close(12 <unfinished ...>
[pid  6127] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6130] <... close resumed>)        = 0
[pid  6129] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6128] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6127] close(25 <unfinished ...>
[pid  6131] close(8 <unfinished ...>
[pid  6129] close(12 <unfinished ...>
[pid  6131] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] close(9 <unfinished ...>
[pid  6130] close(6 <unfinished ...>
[pid  6129] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6128] close(13 <unfinished ...>
[pid  6127] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6130] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6129] close(13 <unfinished ...>
[pid  6128] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6127] close(26 <unfinished ...>
[pid  6131] close(10 <unfinished ...>
[pid  6130] close(7 <unfinished ...>
[pid  6129] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6128] close(14 <unfinished ...>
[pid  6127] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6130] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6129] close(14 <unfinished ...>
[pid  6128] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6127] close(27 <unfinished ...>
[pid  6131] close(11 <unfinished ...>
[pid  6130] close(8 <unfinished ...>
[pid  6129] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6128] close(15 <unfinished ...>
[pid  6127] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6130] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6129] close(15 <unfinished ...>
[pid  6128] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6127] close(28 <unfinished ...>
[pid  6131] close(12 <unfinished ...>
[pid  6130] close(9 <unfinished ...>
[pid  6129] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6128] close(16 <unfinished ...>
[pid  6127] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6130] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6129] close(16 <unfinished ...>
[pid  6128] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6127] close(29 <unfinished ...>
[pid  6131] close(13 <unfinished ...>
[pid  6130] close(10 <unfinished ...>
[pid  6129] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6128] close(17 <unfinished ...>
[pid  6127] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6130] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6129] close(17 <unfinished ...>
[pid  6128] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6127] exit_group(0 <unfinished ...>
[pid  6131] close(14 <unfinished ...>
[pid  6130] close(11 <unfinished ...>
[pid  6129] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6128] close(18 <unfinished ...>
[pid  6131] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6130] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6129] close(18 <unfinished ...>
[pid  6128] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6127] <... exit_group resumed>)   = ?
[pid  6131] close(15 <unfinished ...>
[pid  6130] close(12 <unfinished ...>
[pid  6129] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6128] close(19 <unfinished ...>
[pid  6127] +++ exited with 0 +++
[pid  6131] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6130] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6129] close(19 <unfinished ...>
[pid  6128] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] close(16 <unfinished ...>
[pid  6130] close(13 <unfinished ...>
[pid  6129] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6128] close(20 <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6131] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6130] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6129] close(20 <unfinished ...>
[pid  6128] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] close(17 <unfinished ...>
[pid  6130] close(14 <unfinished ...>
[pid  6129] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6128] close(21 <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6131] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6130] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6129] close(21 <unfinished ...>
[pid  6128] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... restart_syscall resumed>) = 0
[pid  6131] close(18 <unfinished ...>
[pid  6130] close(15 <unfinished ...>
[pid  6131] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6130] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6129] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6128] close(22 <unfinished ...>
[pid  6131] close(19 <unfinished ...>
[pid  6130] close(16 <unfinished ...>
[pid  6129] close(22 <unfinished ...>
[pid  6128] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6130] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6129] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6128] close(23 <unfinished ...>
[pid  5854] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6131] close(20 <unfinished ...>
[pid  6130] close(17 <unfinished ...>
[pid  6129] close(23 <unfinished ...>
[pid  6128] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6130] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6129] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6128] close(24 <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6131] close(21 <unfinished ...>
[pid  6130] close(18 <unfinished ...>
[pid  6129] close(24 <unfinished ...>
[pid  6128] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6131] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6130] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] close(22 <unfinished ...>
[pid  6130] close(19 <unfinished ...>
[pid  6129] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6128] close(25 <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  6131] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6130] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6129] close(25 <unfinished ...>
[pid  6128] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] close(23 <unfinished ...>
[pid  6130] close(20 <unfinished ...>
[pid  6129] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6128] close(26 <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  6131] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6130] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6129] close(26 <unfinished ...>
[pid  6128] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] close(24 <unfinished ...>
[pid  6130] close(21 <unfinished ...>
[pid  6129] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6128] close(27 <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6131] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6130] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6129] close(27 <unfinished ...>
[pid  6128] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] close(25 <unfinished ...>
[pid  6130] close(22 <unfinished ...>
[pid  6129] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6128] close(28 <unfinished ...>
[pid  6131] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6130] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6129] close(28 <unfinished ...>
[pid  6128] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] close(26 <unfinished ...>
[pid  6130] close(23 <unfinished ...>
[pid  6129] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6128] close(29 <unfinished ...>
[pid  6131] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6130] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6129] close(29 <unfinished ...>
[pid  6128] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] close(27 <unfinished ...>
[pid  6130] close(24 <unfinished ...>
[pid  6129] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6128] exit_group(0 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6131] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6130] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6129] exit_group(0 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6131] close(28 <unfinished ...>
[pid  6130] close(25 <unfinished ...>
[pid  6129] <... exit_group resumed>)   = ?
[pid  6128] <... exit_group resumed>)   = ?
[pid  5854] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6131] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6130] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6129] +++ exited with 0 +++
[pid  6128] +++ exited with 0 +++
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6131] close(29 <unfinished ...>
[pid  6130] close(26 <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./51/binderfs",  <unfinished ...>
[pid  6131] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6130] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6131] exit_group(0 <unfinished ...>
[pid  6130] close(27 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] unlink("./51/binderfs" <unfinished ...>
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6131] <... exit_group resumed>)   = ?
[pid  6130] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6131] +++ exited with 0 +++
[pid  6130] close(28 <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  6130] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5853] <... restart_syscall resumed>) = 0
[pid  6130] close(29 <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6130] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6130] exit_group(0 <unfinished ...>
[pid  5857] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6130] <... exit_group resumed>)   = ?
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6130] +++ exited with 0 +++
[pid  5857] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5853] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] rmdir("./51" <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] mkdir("./52", 0777 <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] getdents64(3, 0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] newfstatat(AT_FDCWD, "./53/binderfs",  <unfinished ...>
[pid  5855] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
./strace-static-x86_64: Process 6132 attached
[pid  5857] unlink("./53/binderfs" <unfinished ...>
[pid  5856] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./52/binderfs",  <unfinished ...>
[pid  5853] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  6132] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] unlink("./52/binderfs" <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./52/binderfs",  <unfinished ...>
[pid  6132] <... set_robust_list resumed>) = 0
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 54
[pid  6132] chdir("./52" <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6132] <... chdir resumed>)        = 0
[pid  5857] close(3 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] unlink("./52/binderfs" <unfinished ...>
[pid  6132] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6132] <... prctl resumed>)        = 0
[pid  6132] setpgid(0, 0)               = 0
[pid  6132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] rmdir("./53" <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] close(3 <unfinished ...>
[pid  5857] mkdir("./54", 0777 <unfinished ...>
[pid  5856] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  6132] <... openat resumed>)       = 3
[pid  5855] rmdir("./52" <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6132] write(3, "1000", 4 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6132] <... write resumed>)        = 4
[pid  5855] <... rmdir resumed>)        = 0
[pid  5853] close(3 <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./53/binderfs",  <unfinished ...>
[pid  6132] close(3 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6132] <... close resumed>)        = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... close resumed>)        = 0
[pid  6132] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5856] unlink("./53/binderfs" <unfinished ...>
[pid  5853] rmdir("./52" <unfinished ...>
[pid  6132] <... symlink resumed>)      = 0
executing program
[pid  6132] write(1, "executing program\n", 18./strace-static-x86_64: Process 6133 attached
) = 18
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] mkdir("./53", 0777 <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5853] mkdir("./53", 0777 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6133] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6132] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 56
[pid  5856] close(3 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  6133] <... set_robust_list resumed>) = 0
[pid  6132] <... bpf resumed>)          = 3
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6134 attached
 <unfinished ...>
[pid  6133] chdir("./54" <unfinished ...>
[pid  6132] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5856] rmdir("./53"./strace-static-x86_64: Process 6135 attached
 <unfinished ...>
[pid  6134] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6133] <... chdir resumed>)        = 0
[pid  6132] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6132] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6135] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6134] <... set_robust_list resumed>) = 0
[pid  6133] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 55
[pid  6135] <... set_robust_list resumed>) = 0
[pid  5856] mkdir("./54", 0777 <unfinished ...>
[pid  6133] <... prctl resumed>)        = 0
[pid  6135] chdir("./53" <unfinished ...>
[pid  6134] chdir("./53" <unfinished ...>
[pid  6133] setpgid(0, 0 <unfinished ...>
[pid  6132] <... bpf resumed>)          = 4
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 55
[pid  6132] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6135] <... chdir resumed>)        = 0
[pid  6134] <... chdir resumed>)        = 0
[pid  6133] <... setpgid resumed>)      = 0
[pid  6132] <... bpf resumed>)          = 5
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6135] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6134] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6132] close(3 <unfinished ...>
[pid  6135] <... prctl resumed>)        = 0
[pid  6135] setpgid(0, 0./strace-static-x86_64: Process 6136 attached
)               = 0
[pid  6134] <... prctl resumed>)        = 0
[pid  6132] <... close resumed>)        = 0
[pid  6134] setpgid(0, 0 <unfinished ...>
[pid  6133] <... openat resumed>)       = 3
[pid  6132] close(4 <unfinished ...>
[pid  6135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 56
[pid  6136] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6134] <... setpgid resumed>)      = 0
[pid  6133] write(3, "1000", 4 <unfinished ...>
[pid  6132] <... close resumed>)        = 0
[pid  6136] <... set_robust_list resumed>) = 0
[pid  6134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6133] <... write resumed>)        = 4
[pid  6132] close(5 <unfinished ...>
[pid  6136] chdir("./54" <unfinished ...>
[pid  6135] <... openat resumed>)       = 3
[pid  6134] <... openat resumed>)       = 3
[pid  6133] close(3 <unfinished ...>
[pid  6132] <... close resumed>)        = 0
[pid  6133] <... close resumed>)        = 0
[pid  6132] close(6 <unfinished ...>
[pid  6133] symlink("/dev/binderfs", "./binderfs") = 0
[pid  6132] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  6134] write(3, "1000", 4 <unfinished ...>
[pid  6133] write(1, "executing program\n", 18 <unfinished ...>
[pid  6132] close(7 <unfinished ...>
[pid  6136] <... chdir resumed>)        = 0
[pid  6134] <... write resumed>)        = 4
[pid  6133] <... write resumed>)        = 18
[pid  6132] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6136] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6135] write(3, "1000", 4 <unfinished ...>
[pid  6134] close(3 <unfinished ...>
[pid  6133] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6132] close(8 <unfinished ...>
[pid  6136] <... prctl resumed>)        = 0
[pid  6135] <... write resumed>)        = 4
[pid  6136] setpgid(0, 0 <unfinished ...>
[pid  6135] close(3 <unfinished ...>
[pid  6134] <... close resumed>)        = 0
[pid  6133] <... bpf resumed>)          = 3
[pid  6132] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6136] <... setpgid resumed>)      = 0
[pid  6135] <... close resumed>)        = 0
[pid  6134] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6133] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6132] close(9 <unfinished ...>
[pid  6136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6135] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6134] <... symlink resumed>)      = 0
[pid  6133] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6132] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6133] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6132] close(10 <unfinished ...>
[pid  6136] <... openat resumed>)       = 3
[pid  6135] <... symlink resumed>)      = 0
[pid  6134] <... write resumed>)        = 18
[pid  6133] <... bpf resumed>)          = 4
[pid  6132] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6136] write(3, "1000", 4executing program
 <unfinished ...>
[pid  6135] write(1, "executing program\n", 18 <unfinished ...>
[pid  6132] close(11 <unfinished ...>
[pid  6136] <... write resumed>)        = 4
[pid  6135] <... write resumed>)        = 18
[pid  6134] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6133] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6132] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6136] close(3 <unfinished ...>
[pid  6135] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6134] <... bpf resumed>)          = 3
[pid  6132] close(12 <unfinished ...>
[pid  6136] <... close resumed>)        = 0
[pid  6133] <... bpf resumed>)          = 5
[pid  6136] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6132] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6135] <... bpf resumed>)          = 3
[pid  6136] <... symlink resumed>)      = 0
[pid  6134] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6133] close(3 <unfinished ...>
[pid  6132] close(13executing program
 <unfinished ...>
[pid  6136] write(1, "executing program\n", 18 <unfinished ...>
[pid  6135] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6134] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6133] <... close resumed>)        = 0
[pid  6132] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6136] <... write resumed>)        = 18
[pid  6135] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6136] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6135] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6134] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6133] close(4 <unfinished ...>
[pid  6132] close(14 <unfinished ...>
[pid  6136] <... bpf resumed>)          = 3
[pid  6135] <... bpf resumed>)          = 4
[pid  6133] <... close resumed>)        = 0
[pid  6132] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] <... bpf resumed>)          = 4
[pid  6132] close(15 <unfinished ...>
[pid  6136] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6134] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6133] close(5 <unfinished ...>
[pid  6132] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6135] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16) = 5
[pid  6134] <... bpf resumed>)          = 5
[pid  6135] close(3 <unfinished ...>
[pid  6133] <... close resumed>)        = 0
[pid  6132] close(16 <unfinished ...>
[pid  6135] <... close resumed>)        = 0
[pid  6135] close(4)                    = 0
[pid  6135] close(5)                    = 0
[pid  6135] close(6)                    = -1 EBADF (Bad file descriptor)
[pid  6135] close(7 <unfinished ...>
[pid  6136] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6135] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] close(3 <unfinished ...>
[pid  6133] close(6 <unfinished ...>
[pid  6132] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6132] close(17 <unfinished ...>
[pid  6136] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6135] close(8 <unfinished ...>
[pid  6134] <... close resumed>)        = 0
[pid  6133] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6132] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6136] <... bpf resumed>)          = 4
[pid  6135] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] close(4 <unfinished ...>
[pid  6133] close(7 <unfinished ...>
[pid  6132] close(18 <unfinished ...>
[pid  6136] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6135] close(9 <unfinished ...>
[pid  6134] <... close resumed>)        = 0
[pid  6133] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6132] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6136] <... bpf resumed>)          = 5
[pid  6135] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] close(5 <unfinished ...>
[pid  6133] close(8 <unfinished ...>
[pid  6132] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  6135] close(10 <unfinished ...>
[pid  6133] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6132] close(20 <unfinished ...>
[pid  6136] close(3 <unfinished ...>
[pid  6135] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] <... close resumed>)        = 0
[pid  6133] close(9 <unfinished ...>
[pid  6136] <... close resumed>)        = 0
[pid  6135] close(11 <unfinished ...>
[pid  6132] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6135] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6133] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6132] close(21 <unfinished ...>
[pid  6136] close(4 <unfinished ...>
[pid  6135] close(12 <unfinished ...>
[pid  6133] close(10 <unfinished ...>
[pid  6136] <... close resumed>)        = 0
[pid  6135] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] close(6 <unfinished ...>
[pid  6133] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6132] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6136] close(5 <unfinished ...>
[pid  6135] close(13 <unfinished ...>
[pid  6134] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6133] close(11 <unfinished ...>
[pid  6132] close(22 <unfinished ...>
[pid  6136] <... close resumed>)        = 0
[pid  6135] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] close(7 <unfinished ...>
[pid  6133] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6132] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6133] close(12 <unfinished ...>
[pid  6132] close(23 <unfinished ...>
[pid  6135] close(14 <unfinished ...>
[pid  6134] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6132] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6135] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] close(8 <unfinished ...>
[pid  6133] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6136] close(6 <unfinished ...>
[pid  6135] close(15 <unfinished ...>
[pid  6134] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6133] close(13 <unfinished ...>
[pid  6132] close(24 <unfinished ...>
[pid  6136] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6135] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] close(9 <unfinished ...>
[pid  6133] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6132] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6136] close(7 <unfinished ...>
[pid  6135] close(16 <unfinished ...>
[pid  6134] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6133] close(14 <unfinished ...>
[pid  6136] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6135] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] close(10 <unfinished ...>
[pid  6133] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6132] close(25 <unfinished ...>
[pid  6136] close(8 <unfinished ...>
[pid  6135] close(17 <unfinished ...>
[pid  6134] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6133] close(15 <unfinished ...>
[pid  6132] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6136] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6135] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] close(11 <unfinished ...>
[pid  6133] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6132] close(26 <unfinished ...>
[pid  6136] close(9 <unfinished ...>
[pid  6135] close(18 <unfinished ...>
[pid  6134] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6132] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6136] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6135] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] close(12 <unfinished ...>
[pid  6133] close(16 <unfinished ...>
[pid  6136] close(10 <unfinished ...>
[pid  6135] close(19 <unfinished ...>
[pid  6134] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6133] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6132] close(27 <unfinished ...>
[pid  6136] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6135] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] close(13 <unfinished ...>
[pid  6133] close(17 <unfinished ...>
[pid  6136] close(11 <unfinished ...>
[pid  6135] close(20 <unfinished ...>
[pid  6134] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6133] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6132] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6136] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6135] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] close(14 <unfinished ...>
[pid  6133] close(18 <unfinished ...>
[pid  6136] close(12 <unfinished ...>
[pid  6135] close(21 <unfinished ...>
[pid  6134] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6133] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6132] close(28 <unfinished ...>
[pid  6136] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6135] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] close(15 <unfinished ...>
[pid  6133] close(19 <unfinished ...>
[pid  6132] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6136] close(13 <unfinished ...>
[pid  6135] close(22 <unfinished ...>
[pid  6134] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6133] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6132] close(29 <unfinished ...>
[pid  6136] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6135] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6132] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6136] close(14 <unfinished ...>
[pid  6135] close(23 <unfinished ...>
[pid  6134] close(16 <unfinished ...>
[pid  6133] close(20 <unfinished ...>
[pid  6136] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6135] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6133] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6132] exit_group(0 <unfinished ...>
[pid  6136] close(15 <unfinished ...>
[pid  6135] close(24 <unfinished ...>
[pid  6134] close(17 <unfinished ...>
[pid  6133] close(21 <unfinished ...>
[pid  6136] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6135] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6133] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6132] <... exit_group resumed>)   = ?
[pid  6136] close(16 <unfinished ...>
[pid  6135] close(25 <unfinished ...>
[pid  6134] close(18 <unfinished ...>
[pid  6133] close(22 <unfinished ...>
[pid  6136] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6135] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6133] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6136] close(17 <unfinished ...>
[pid  6135] close(26 <unfinished ...>
[pid  6136] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6135] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] close(19 <unfinished ...>
[pid  6133] close(23 <unfinished ...>
[pid  6136] close(18 <unfinished ...>
[pid  6135] close(27 <unfinished ...>
[pid  6134] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6133] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6136] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6135] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] close(20 <unfinished ...>
[pid  6133] close(24 <unfinished ...>
[pid  6136] close(19 <unfinished ...>
[pid  6135] close(28 <unfinished ...>
[pid  6136] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6135] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6133] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6132] +++ exited with 0 +++
[pid  6136] close(20 <unfinished ...>
[pid  6135] close(29 <unfinished ...>
[pid  6134] close(21 <unfinished ...>
[pid  6133] close(25 <unfinished ...>
[pid  6136] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6135] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6133] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6136] close(21 <unfinished ...>
[pid  6135] exit_group(0 <unfinished ...>
[pid  6134] close(22 <unfinished ...>
[pid  6133] close(26 <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6136] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  6136] close(22 <unfinished ...>
[pid  6135] <... exit_group resumed>)   = ?
[pid  6134] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6133] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6136] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6135] +++ exited with 0 +++
[pid  6134] close(23 <unfinished ...>
[pid  6133] close(27 <unfinished ...>
[pid  5854] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6136] close(23 <unfinished ...>
[pid  6134] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6133] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6136] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] close(24 <unfinished ...>
[pid  6133] close(28 <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6136] close(24 <unfinished ...>
[pid  6134] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6133] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6136] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] close(25 <unfinished ...>
[pid  6133] close(29 <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5853] <... restart_syscall resumed>) = 0
[pid  6136] close(25 <unfinished ...>
[pid  6134] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6133] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6136] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] close(26 <unfinished ...>
[pid  6133] exit_group(0 <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  6136] close(26 <unfinished ...>
[pid  6134] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6136] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] close(27 <unfinished ...>
[pid  6133] <... exit_group resumed>)   = ?
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6136] close(27 <unfinished ...>
[pid  6134] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6136] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] close(28 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6136] close(28 <unfinished ...>
[pid  6134] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6133] +++ exited with 0 +++
[pid  5853] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... openat resumed>)       = 3
[pid  6136] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6136] close(29 <unfinished ...>
[pid  6134] close(29 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6136] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6134] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6136] exit_group(0 <unfinished ...>
[pid  6134] exit_group(0 <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6136] <... exit_group resumed>)   = ?
[pid  6134] <... exit_group resumed>)   = ?
[pid  5854] newfstatat(AT_FDCWD, "./52/binderfs",  <unfinished ...>
[pid  5853] getdents64(3, 0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  6134] +++ exited with 0 +++
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] newfstatat(AT_FDCWD, "./53/binderfs",  <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] unlink("./53/binderfs" <unfinished ...>
[pid  6136] +++ exited with 0 +++
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] unlink("./52/binderfs" <unfinished ...>
[pid  5853] getdents64(3, 0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] close(3)                    = 0
[pid  5853] rmdir("./53")               = 0
[pid  5853] mkdir("./54", 0777 <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  5854] getdents64(3, 0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] close(3)                    = 0
[pid  5854] rmdir("./52" <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  5854] mkdir("./53", 0777 <unfinished ...>
[pid  5857] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6137 attached
) = 3
[pid  5855] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6137] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6137] <... set_robust_list resumed>) = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 6138 attached
[pid  5856] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 56
[pid  6137] chdir("./54" <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5855] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  6138] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6138] <... set_robust_list resumed>) = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] <... openat resumed>)       = 3
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 55
[pid  6137] <... chdir resumed>)        = 0
[pid  5857] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  6138] chdir("./53" <unfinished ...>
[pid  6137] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./54/binderfs",  <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6137] <... prctl resumed>)        = 0
[pid  5856] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6138] <... chdir resumed>)        = 0
[pid  6137] setpgid(0, 0 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6138] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6137] <... setpgid resumed>)      = 0
[pid  5857] unlink("./54/binderfs" <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./54/binderfs",  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6138] <... prctl resumed>)        = 0
[pid  6137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./53/binderfs",  <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6138] setpgid(0, 0 <unfinished ...>
[pid  5856] unlink("./54/binderfs" <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5855] unlink("./53/binderfs" <unfinished ...>
[pid  6138] <... setpgid resumed>)      = 0
[pid  6137] <... openat resumed>)       = 3
[pid  5857] <... close resumed>)        = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] <... unlink resumed>)       = 0
[pid  5857] rmdir("./54" <unfinished ...>
[pid  6138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6137] write(3, "1000", 4 <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6137] <... write resumed>)        = 4
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6137] close(3 <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  6137] <... close resumed>)        = 0
[pid  5856] <... close resumed>)        = 0
[pid  5857] mkdir("./55", 0777 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6138] <... openat resumed>)       = 3
[pid  6137] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] rmdir("./54" <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  6138] write(3, "1000", 4 <unfinished ...>
[pid  6137] <... symlink resumed>)      = 0
[pid  5856] <... rmdir resumed>)        = 0
./strace-static-x86_64: Process 6139 attached
[pid  6138] <... write resumed>)        = 4
[pid  5856] mkdir("./55", 0777 <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  6139] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 57
executing program
[pid  5855] rmdir("./53" <unfinished ...>
[pid  6139] <... set_robust_list resumed>) = 0
[pid  6138] close(3 <unfinished ...>
[pid  6137] write(1, "executing program\n", 18 <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  6138] <... close resumed>)        = 0
[pid  6137] <... write resumed>)        = 18
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] mkdir("./54", 0777 <unfinished ...>
[pid  6139] chdir("./55" <unfinished ...>
[pid  6138] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6137] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  6138] <... symlink resumed>)      = 0
[pid  6139] <... chdir resumed>)        = 0
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
 <unfinished ...>
[pid  6139] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6138] write(1, "executing program\n", 18 <unfinished ...>
[pid  6137] <... bpf resumed>)          = 3
[pid  6139] <... prctl resumed>)        = 0
[pid  6138] <... write resumed>)        = 18
[pid  6137] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6138] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6137] <... bpf resumed>)          = -1 EFAULT (Bad address)
./strace-static-x86_64: Process 6141 attached
./strace-static-x86_64: Process 6140 attached
[pid  6139] setpgid(0, 0 <unfinished ...>
[pid  6138] <... bpf resumed>)          = 3
[pid  6137] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6141] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6140] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6139] <... setpgid resumed>)      = 0
[pid  6138] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 56
[pid  6141] <... set_robust_list resumed>) = 0
[pid  6140] <... set_robust_list resumed>) = 0
[pid  6139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6138] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6137] <... bpf resumed>)          = 4
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 57
[pid  6141] chdir("./55" <unfinished ...>
[pid  6140] chdir("./54" <unfinished ...>
[pid  6139] <... openat resumed>)       = 3
[pid  6138] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6141] <... chdir resumed>)        = 0
[pid  6140] <... chdir resumed>)        = 0
[pid  6139] write(3, "1000", 4 <unfinished ...>
[pid  6137] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6140] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6140] setpgid(0, 0)               = 0
[pid  6141] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6139] <... write resumed>)        = 4
[pid  6138] <... bpf resumed>)          = 4
[pid  6140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6141] <... prctl resumed>)        = 0
[pid  6140] <... openat resumed>)       = 3
[pid  6137] <... bpf resumed>)          = 5
[pid  6140] write(3, "1000", 4 <unfinished ...>
[pid  6141] setpgid(0, 0 <unfinished ...>
[pid  6139] close(3 <unfinished ...>
[pid  6138] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6137] close(3 <unfinished ...>
[pid  6141] <... setpgid resumed>)      = 0
[pid  6140] <... write resumed>)        = 4
[pid  6139] <... close resumed>)        = 0
[pid  6140] close(3 <unfinished ...>
[pid  6137] <... close resumed>)        = 0
[pid  6139] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6140] <... close resumed>)        = 0
[pid  6139] <... symlink resumed>)      = 0
[pid  6138] <... bpf resumed>)          = 5
[pid  6137] close(4 <unfinished ...>
[pid  6140] symlink("/dev/binderfs", "./binderfs"executing program
 <unfinished ...>
[pid  6139] write(1, "executing program\n", 18 <unfinished ...>
[pid  6138] close(3 <unfinished ...>
[pid  6137] <... close resumed>)        = 0
[pid  6141] write(3, "1000", 4 <unfinished ...>
[pid  6140] <... symlink resumed>)      = 0
[pid  6139] <... write resumed>)        = 18
[pid  6138] <... close resumed>)        = 0
[pid  6137] close(5 <unfinished ...>
[pid  6141] <... write resumed>)        = 4
executing program
[pid  6141] close(3 <unfinished ...>
[pid  6140] write(1, "executing program\n", 18 <unfinished ...>
[pid  6139] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6138] close(4 <unfinished ...>
[pid  6137] <... close resumed>)        = 0
[pid  6141] <... close resumed>)        = 0
[pid  6140] <... write resumed>)        = 18
[pid  6140] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6138] <... close resumed>)        = 0
[pid  6141] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6140] <... bpf resumed>)          = 3
[pid  6139] <... bpf resumed>)          = 3
[pid  6138] close(5 <unfinished ...>
[pid  6137] close(6 <unfinished ...>
[pid  6141] <... symlink resumed>)      = 0
[pid  6140] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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 ...>
executing program
[pid  6139] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6138] <... close resumed>)        = 0
[pid  6137] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] write(1, "executing program\n", 18 <unfinished ...>
[pid  6140] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6141] <... write resumed>)        = 18
[pid  6140] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6139] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6138] close(6 <unfinished ...>
[pid  6137] close(7 <unfinished ...>
[pid  6141] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6140] <... bpf resumed>)          = 4
[pid  6139] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6138] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6137] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] <... bpf resumed>)          = 3
[pid  6140] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6139] <... bpf resumed>)          = 4
[pid  6138] close(7 <unfinished ...>
[pid  6137] close(8 <unfinished ...>
[pid  6141] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6139] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6140] <... bpf resumed>)          = 5
[pid  6138] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6137] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6140] close(3 <unfinished ...>
[pid  6139] <... bpf resumed>)          = 5
[pid  6138] close(8 <unfinished ...>
[pid  6137] close(9 <unfinished ...>
[pid  6141] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6140] <... close resumed>)        = 0
[pid  6137] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] <... bpf resumed>)          = 4
[pid  6140] close(4 <unfinished ...>
[pid  6139] close(3 <unfinished ...>
[pid  6138] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6137] close(10 <unfinished ...>
[pid  6140] <... close resumed>)        = 0
[pid  6139] <... close resumed>)        = 0
[pid  6138] close(9 <unfinished ...>
[pid  6137] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6140] close(5 <unfinished ...>
[pid  6139] close(4 <unfinished ...>
[pid  6138] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6137] close(11 <unfinished ...>
[pid  6141] <... bpf resumed>)          = 5
[pid  6140] <... close resumed>)        = 0
[pid  6139] <... close resumed>)        = 0
[pid  6138] close(10 <unfinished ...>
[pid  6137] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6138] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6137] close(12 <unfinished ...>
[pid  6138] close(11 <unfinished ...>
[pid  6137] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] close(3 <unfinished ...>
[pid  6139] close(5 <unfinished ...>
[pid  6138] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6137] close(13 <unfinished ...>
[pid  6141] <... close resumed>)        = 0
[pid  6140] close(6 <unfinished ...>
[pid  6138] close(12 <unfinished ...>
[pid  6137] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] close(4 <unfinished ...>
[pid  6140] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6139] <... close resumed>)        = 0
[pid  6138] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6137] close(14 <unfinished ...>
[pid  6141] <... close resumed>)        = 0
[pid  6140] close(7 <unfinished ...>
[pid  6138] close(13 <unfinished ...>
[pid  6137] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] close(5 <unfinished ...>
[pid  6140] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6139] close(6 <unfinished ...>
[pid  6138] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6137] close(15 <unfinished ...>
[pid  6141] <... close resumed>)        = 0
[pid  6140] close(8 <unfinished ...>
[pid  6139] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6138] close(14 <unfinished ...>
[pid  6137] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6137] close(16 <unfinished ...>
[pid  6138] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6137] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6137] close(17 <unfinished ...>
[pid  6139] close(7 <unfinished ...>
[pid  6138] close(15 <unfinished ...>
[pid  6137] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6140] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6139] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6138] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6137] close(18 <unfinished ...>
[pid  6141] close(6 <unfinished ...>
[pid  6140] close(9 <unfinished ...>
[pid  6139] close(8 <unfinished ...>
[pid  6138] close(16 <unfinished ...>
[pid  6137] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6140] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6139] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6138] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6137] close(19 <unfinished ...>
[pid  6141] close(7 <unfinished ...>
[pid  6140] close(10 <unfinished ...>
[pid  6139] close(9 <unfinished ...>
[pid  6138] close(17 <unfinished ...>
[pid  6137] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6140] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6139] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6138] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6137] close(20 <unfinished ...>
[pid  6141] close(8 <unfinished ...>
[pid  6140] close(11 <unfinished ...>
[pid  6139] close(10 <unfinished ...>
[pid  6138] close(18 <unfinished ...>
[pid  6137] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6140] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6139] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6138] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6137] close(21 <unfinished ...>
[pid  6141] close(9 <unfinished ...>
[pid  6140] close(12 <unfinished ...>
[pid  6139] close(11 <unfinished ...>
[pid  6138] close(19 <unfinished ...>
[pid  6137] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6140] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6139] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6138] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6137] close(22 <unfinished ...>
[pid  6141] close(10 <unfinished ...>
[pid  6140] close(13 <unfinished ...>
[pid  6139] close(12 <unfinished ...>
[pid  6138] close(20 <unfinished ...>
[pid  6137] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6140] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6139] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6138] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] close(11 <unfinished ...>
[pid  6140] close(14 <unfinished ...>
[pid  6139] close(13 <unfinished ...>
[pid  6138] close(21 <unfinished ...>
[pid  6137] close(23 <unfinished ...>
[pid  6141] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6140] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6139] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6138] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6137] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] close(12 <unfinished ...>
[pid  6140] close(15 <unfinished ...>
[pid  6139] close(14 <unfinished ...>
[pid  6138] close(22 <unfinished ...>
[pid  6137] close(24 <unfinished ...>
[pid  6141] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6140] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6139] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6138] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6137] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] close(13 <unfinished ...>
[pid  6140] close(16 <unfinished ...>
[pid  6139] close(15 <unfinished ...>
[pid  6138] close(23 <unfinished ...>
[pid  6137] close(25 <unfinished ...>
[pid  6141] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] close(14 <unfinished ...>
[pid  6140] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6139] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6138] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6137] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6140] close(17 <unfinished ...>
[pid  6139] close(16 <unfinished ...>
[pid  6138] close(24 <unfinished ...>
[pid  6137] close(26 <unfinished ...>
[pid  6141] close(15 <unfinished ...>
[pid  6140] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6139] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6138] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6137] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6140] close(18 <unfinished ...>
[pid  6139] close(17 <unfinished ...>
[pid  6138] close(25 <unfinished ...>
[pid  6137] close(27 <unfinished ...>
[pid  6141] close(16 <unfinished ...>
[pid  6140] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6139] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6138] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6137] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] close(17 <unfinished ...>
[pid  6140] close(19 <unfinished ...>
[pid  6139] close(18 <unfinished ...>
[pid  6138] close(26 <unfinished ...>
[pid  6137] close(28 <unfinished ...>
[pid  6141] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6140] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6139] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6138] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6137] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] close(18 <unfinished ...>
[pid  6140] close(20 <unfinished ...>
[pid  6139] close(19 <unfinished ...>
[pid  6141] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6140] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6139] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6138] close(27 <unfinished ...>
[pid  6137] close(29 <unfinished ...>
[pid  6141] close(19 <unfinished ...>
[pid  6140] close(21 <unfinished ...>
[pid  6139] close(20 <unfinished ...>
[pid  6138] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6137] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6140] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6139] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6138] close(28 <unfinished ...>
[pid  6137] exit_group(0 <unfinished ...>
[pid  6141] close(20 <unfinished ...>
[pid  6140] close(22 <unfinished ...>
[pid  6139] close(21 <unfinished ...>
[pid  6138] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6140] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6139] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6137] <... exit_group resumed>)   = ?
[pid  6141] close(21 <unfinished ...>
[pid  6140] close(23 <unfinished ...>
[pid  6139] close(22 <unfinished ...>
[pid  6138] close(29 <unfinished ...>
[pid  6137] +++ exited with 0 +++
[pid  6141] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6140] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6139] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6138] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] close(22 <unfinished ...>
[pid  6140] close(24 <unfinished ...>
[pid  6139] close(23 <unfinished ...>
[pid  6138] exit_group(0 <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6141] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6140] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6139] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6138] <... exit_group resumed>)   = ?
[pid  6141] close(23 <unfinished ...>
[pid  6140] close(25 <unfinished ...>
[pid  6139] close(24 <unfinished ...>
[pid  6138] +++ exited with 0 +++
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6141] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6140] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6139] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] close(24 <unfinished ...>
[pid  6140] close(26 <unfinished ...>
[pid  6139] close(25 <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6141] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6140] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6139] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6141] close(25 <unfinished ...>
[pid  6140] close(27 <unfinished ...>
[pid  6139] close(26 <unfinished ...>
[pid  6141] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6140] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6139] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] close(26 <unfinished ...>
[pid  5854] <... restart_syscall resumed>) = 0
[pid  6141] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6140] close(28 <unfinished ...>
[pid  6139] close(27 <unfinished ...>
[pid  6141] close(27 <unfinished ...>
[pid  6140] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6139] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6140] close(29 <unfinished ...>
[pid  6139] close(28 <unfinished ...>
[pid  6141] close(28 <unfinished ...>
[pid  6140] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6139] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... restart_syscall resumed>) = 0
[pid  6141] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6140] exit_group(0 <unfinished ...>
[pid  6139] close(29 <unfinished ...>
[pid  5854] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6141] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  6140] <... exit_group resumed>)   = ?
[pid  6139] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6141] exit_group(0 <unfinished ...>
[pid  6140] +++ exited with 0 +++
[pid  6139] exit_group(0 <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6141] <... exit_group resumed>)   = ?
[pid  6139] <... exit_group resumed>)   = ?
[pid  5853] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6141] +++ exited with 0 +++
[pid  6139] +++ exited with 0 +++
[pid  5854] <... openat resumed>)       = 3
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5854] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] newfstatat(AT_FDCWD, "./53/binderfs",  <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./54/binderfs",  <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] unlink("./53/binderfs" <unfinished ...>
[pid  5853] unlink("./54/binderfs" <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5855] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... unlink resumed>)       = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] newfstatat(AT_FDCWD, "./54/binderfs",  <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] unlink("./54/binderfs" <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... unlink resumed>)       = 0
[pid  5856] newfstatat(AT_FDCWD, "./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5856] unlink("./55/binderfs" <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] close(3)                    = 0
[pid  5855] rmdir("./54" <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] close(3 <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] close(3 <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./55/binderfs",  <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5854] <... close resumed>)        = 0
[pid  5853] <... close resumed>)        = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] rmdir("./55" <unfinished ...>
[pid  5855] mkdir("./55", 0777 <unfinished ...>
[pid  5854] rmdir("./53" <unfinished ...>
[pid  5853] rmdir("./54" <unfinished ...>
[pid  5857] unlink("./55/binderfs" <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5855] <... mkdir resumed>)        = 0
[pid  5853] <... rmdir resumed>)        = 0
[pid  5854] <... rmdir resumed>)        = 0
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] mkdir("./56", 0777 <unfinished ...>
[pid  5854] mkdir("./54", 0777 <unfinished ...>
[pid  5853] mkdir("./55", 0777 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
./strace-static-x86_64: Process 6142 attached
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6142] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 57
./strace-static-x86_64: Process 6144 attached
./strace-static-x86_64: Process 6143 attached
[pid  5857] <... close resumed>)        = 0
[pid  6142] <... set_robust_list resumed>) = 0
[pid  5857] rmdir("./55" <unfinished ...>
[pid  6142] chdir("./55" <unfinished ...>
[pid  6143] set_robust_list(0x555562c7b660, 24./strace-static-x86_64: Process 6145 attached
) = 0
[pid  6142] <... chdir resumed>)        = 0
[pid  5857] <... rmdir resumed>)        = 0
[pid  6144] set_robust_list(0x555562c7b660, 24) = 0
[pid  6143] chdir("./56" <unfinished ...>
[pid  6142] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] mkdir("./56", 0777 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 58
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 56
[pid  6145] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6144] chdir("./54" <unfinished ...>
[pid  6143] <... chdir resumed>)        = 0
[pid  6142] <... prctl resumed>)        = 0
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 57
[pid  6145] <... set_robust_list resumed>) = 0
[pid  6143] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6145] chdir("./55" <unfinished ...>
[pid  6144] <... chdir resumed>)        = 0
[pid  6143] <... prctl resumed>)        = 0
[pid  6142] setpgid(0, 0 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  6144] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6142] <... setpgid resumed>)      = 0
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6145] <... chdir resumed>)        = 0
[pid  6143] setpgid(0, 0 <unfinished ...>
[pid  6145] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6144] <... prctl resumed>)        = 0
[pid  6143] <... setpgid resumed>)      = 0
[pid  6145] <... prctl resumed>)        = 0
[pid  6143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6145] setpgid(0, 0./strace-static-x86_64: Process 6146 attached
 <unfinished ...>
[pid  6142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6144] setpgid(0, 0 <unfinished ...>
[pid  6146] set_robust_list(0x555562c7b660, 24) = 0
[pid  6145] <... setpgid resumed>)      = 0
[pid  6144] <... setpgid resumed>)      = 0
[pid  6142] <... openat resumed>)       = 3
[pid  6143] <... openat resumed>)       = 3
[pid  6146] chdir("./56" <unfinished ...>
[pid  6145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6146] <... chdir resumed>)        = 0
[pid  6145] <... openat resumed>)       = 3
[pid  6144] <... openat resumed>)       = 3
[pid  6143] write(3, "1000", 4 <unfinished ...>
[pid  6142] write(3, "1000", 4 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 58
[pid  6146] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6145] write(3, "1000", 4 <unfinished ...>
[pid  6144] write(3, "1000", 4 <unfinished ...>
[pid  6143] <... write resumed>)        = 4
[pid  6142] <... write resumed>)        = 4
[pid  6146] <... prctl resumed>)        = 0
[pid  6145] <... write resumed>)        = 4
[pid  6144] <... write resumed>)        = 4
[pid  6143] close(3 <unfinished ...>
[pid  6142] close(3 <unfinished ...>
[pid  6146] setpgid(0, 0 <unfinished ...>
[pid  6145] close(3 <unfinished ...>
[pid  6143] <... close resumed>)        = 0
[pid  6145] <... close resumed>)        = 0
[pid  6146] <... setpgid resumed>)      = 0
[pid  6144] close(3 <unfinished ...>
[pid  6143] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6142] <... close resumed>)        = 0
[pid  6146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6145] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6144] <... close resumed>)        = 0
[pid  6143] <... symlink resumed>)      = 0
[pid  6142] symlink("/dev/binderfs", "./binderfs"executing program
 <unfinished ...>
[pid  6143] write(1, "executing program\n", 18 <unfinished ...>
[pid  6142] <... symlink resumed>)      = 0
[pid  6145] <... symlink resumed>)      = 0
[pid  6144] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6143] <... write resumed>)        = 18
[pid  6144] <... symlink resumed>)      = 0
[pid  6143] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program
 <unfinished ...>
[pid  6142] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6146] <... openat resumed>)       = 3
[pid  6145] write(1, "executing program\n", 18 <unfinished ...>
[pid  6144] write(1, "executing program\n", 18 <unfinished ...>
[pid  6143] <... bpf resumed>)          = 3
[pid  6142] <... write resumed>)        = 18
[pid  6145] <... write resumed>)        = 18
executing program
[pid  6146] write(3, "1000", 4 <unfinished ...>
[pid  6145] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6144] <... write resumed>)        = 18
[pid  6142] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6146] <... write resumed>)        = 4
[pid  6143] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6145] <... bpf resumed>)          = 3
[pid  6144] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6142] <... bpf resumed>)          = 3
[pid  6146] close(3 <unfinished ...>
[pid  6145] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6146] <... close resumed>)        = 0
[pid  6143] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6144] <... bpf resumed>)          = 3
[pid  6143] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6146] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6145] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6144] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6142] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6146] <... symlink resumed>)      = 0
executing program
[pid  6145] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6144] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6143] <... bpf resumed>)          = 4
[pid  6146] write(1, "executing program\n", 18 <unfinished ...>
[pid  6142] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6146] <... write resumed>)        = 18
[pid  6144] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6142] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6146] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6145] <... bpf resumed>)          = 4
[pid  6143] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16) = 5
[pid  6143] close(3)                    = 0
[pid  6142] <... bpf resumed>)          = 4
[pid  6143] close(4)                    = 0
[pid  6143] close(5 <unfinished ...>
[pid  6144] <... bpf resumed>)          = 4
[pid  6143] <... close resumed>)        = 0
[pid  6143] close(6)                    = -1 EBADF (Bad file descriptor)
[pid  6143] close(7 <unfinished ...>
[pid  6146] <... bpf resumed>)          = 3
[pid  6145] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6144] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6143] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6146] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6143] close(8 <unfinished ...>
[pid  6146] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6145] <... bpf resumed>)          = 5
[pid  6144] <... bpf resumed>)          = 5
[pid  6143] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] <... bpf resumed>)          = 5
[pid  6146] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6143] close(9 <unfinished ...>
[pid  6142] close(3 <unfinished ...>
[pid  6145] close(3 <unfinished ...>
[pid  6146] <... bpf resumed>)          = 4
[pid  6144] close(3 <unfinished ...>
[pid  6143] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] <... close resumed>)        = 0
[pid  6145] <... close resumed>)        = 0
[pid  6146] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6145] close(4 <unfinished ...>
[pid  6144] <... close resumed>)        = 0
[pid  6143] close(10 <unfinished ...>
[pid  6142] close(4 <unfinished ...>
[pid  6146] <... bpf resumed>)          = 5
[pid  6145] <... close resumed>)        = 0
[pid  6144] close(4 <unfinished ...>
[pid  6143] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6145] close(5 <unfinished ...>
[pid  6146] close(3 <unfinished ...>
[pid  6143] close(11 <unfinished ...>
[pid  6142] <... close resumed>)        = 0
[pid  6146] <... close resumed>)        = 0
[pid  6144] <... close resumed>)        = 0
[pid  6143] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] close(5 <unfinished ...>
[pid  6146] close(4 <unfinished ...>
[pid  6143] close(12 <unfinished ...>
[pid  6142] <... close resumed>)        = 0
[pid  6146] <... close resumed>)        = 0
[pid  6143] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] close(6 <unfinished ...>
[pid  6146] close(5 <unfinished ...>
[pid  6143] close(13 <unfinished ...>
[pid  6142] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6146] <... close resumed>)        = 0
[pid  6143] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6146] close(6 <unfinished ...>
[pid  6143] close(14 <unfinished ...>
[pid  6142] close(7 <unfinished ...>
[pid  6146] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6143] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6146] close(7 <unfinished ...>
[pid  6143] close(15 <unfinished ...>
[pid  6142] close(8 <unfinished ...>
[pid  6146] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6143] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6146] close(8 <unfinished ...>
[pid  6143] close(16 <unfinished ...>
[pid  6142] close(9 <unfinished ...>
[pid  6146] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6143] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6146] close(9 <unfinished ...>
[pid  6143] close(17 <unfinished ...>
[pid  6142] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6146] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6143] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] close(10 <unfinished ...>
[pid  6146] close(10 <unfinished ...>
[pid  6143] close(18 <unfinished ...>
[pid  6142] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6146] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6143] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] close(11 <unfinished ...>
[pid  6146] close(11 <unfinished ...>
[pid  6143] close(19 <unfinished ...>
[pid  6142] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6146] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6143] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] close(12 <unfinished ...>
[pid  6146] close(12 <unfinished ...>
[pid  6143] close(20 <unfinished ...>
[pid  6142] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6146] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6143] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] close(13 <unfinished ...>
[pid  6146] close(13 <unfinished ...>
[pid  6143] close(21 <unfinished ...>
[pid  6142] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6146] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6143] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] close(14 <unfinished ...>
[pid  6146] close(14 <unfinished ...>
[pid  6143] close(22 <unfinished ...>
[pid  6142] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6146] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6143] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] close(15 <unfinished ...>
[pid  6146] close(15 <unfinished ...>
[pid  6143] close(23 <unfinished ...>
[pid  6142] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6146] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6143] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] close(16 <unfinished ...>
[pid  6146] close(16 <unfinished ...>
[pid  6143] close(24 <unfinished ...>
[pid  6146] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6143] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6146] close(17 <unfinished ...>
[pid  6143] close(25 <unfinished ...>
[pid  6142] close(17 <unfinished ...>
[pid  6146] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6143] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6146] close(18 <unfinished ...>
[pid  6143] close(26 <unfinished ...>
[pid  6142] close(18 <unfinished ...>
[pid  6146] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6143] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6146] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  6143] close(27 <unfinished ...>
[pid  6142] close(19 <unfinished ...>
[pid  6146] close(20 <unfinished ...>
[pid  6143] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6146] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6143] close(28 <unfinished ...>
[pid  6142] close(20 <unfinished ...>
[pid  6146] close(21 <unfinished ...>
[pid  6143] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6146] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6143] close(29 <unfinished ...>
[pid  6142] close(21 <unfinished ...>
[pid  6146] close(22 <unfinished ...>
[pid  6143] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6146] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6143] exit_group(0 <unfinished ...>
[pid  6142] close(22 <unfinished ...>
[pid  6146] close(23 <unfinished ...>
[pid  6142] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6146] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] close(23 <unfinished ...>
[pid  6146] close(24 <unfinished ...>
[pid  6143] <... exit_group resumed>)   = ?
[pid  6142] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6146] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6145] <... close resumed>)        = 0
[pid  6144] close(5 <unfinished ...>
[pid  6142] close(24 <unfinished ...>
[pid  6146] close(25 <unfinished ...>
[pid  6145] close(6 <unfinished ...>
[pid  6144] <... close resumed>)        = 0
[pid  6143] +++ exited with 0 +++
[pid  6142] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6145] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6144] close(6 <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6145] close(7 <unfinished ...>
[pid  6144] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6145] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6144] close(7 <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  6145] close(8 <unfinished ...>
[pid  6144] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6146] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6145] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6144] close(8 <unfinished ...>
[pid  6142] close(25 <unfinished ...>
[pid  6146] close(26 <unfinished ...>
[pid  6145] close(9 <unfinished ...>
[pid  6144] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6146] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6145] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6144] close(9 <unfinished ...>
[pid  6142] close(26 <unfinished ...>
[pid  6146] close(27 <unfinished ...>
[pid  6145] close(10 <unfinished ...>
[pid  6144] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6146] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6145] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6144] close(10 <unfinished ...>
[pid  6142] close(27 <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6146] close(28 <unfinished ...>
[pid  6145] close(11 <unfinished ...>
[pid  6144] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6146] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6145] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6144] close(11 <unfinished ...>
[pid  6142] close(28 <unfinished ...>
[pid  6146] close(29 <unfinished ...>
[pid  6144] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6145] close(12 <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  6146] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6145] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6144] close(12 <unfinished ...>
[pid  6142] close(29 <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  6146] exit_group(0 <unfinished ...>
[pid  6145] close(13 <unfinished ...>
[pid  6144] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6146] <... exit_group resumed>)   = ?
[pid  6145] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] exit_group(0 <unfinished ...>
[pid  6144] close(13 <unfinished ...>
[pid  6145] close(14 <unfinished ...>
[pid  6144] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] <... exit_group resumed>)   = ?
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6145] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6144] close(14 <unfinished ...>
[pid  6145] close(15 <unfinished ...>
[pid  6144] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6145] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6144] close(15 <unfinished ...>
[pid  6146] +++ exited with 0 +++
[pid  6145] close(16 <unfinished ...>
[pid  6144] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6142] +++ exited with 0 +++
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6144] close(16 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6145] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  6145] close(17 <unfinished ...>
[pid  6144] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6145] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6144] close(17 <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./56/binderfs",  <unfinished ...>
[pid  6145] close(18 <unfinished ...>
[pid  6144] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6144] close(18 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6145] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6144] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] unlink("./56/binderfs" <unfinished ...>
[pid  6145] close(19 <unfinished ...>
[pid  6144] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  6144] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  5856] <... unlink resumed>)       = 0
[pid  6145] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6144] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  6144] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  6144] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  6145] close(20 <unfinished ...>
[pid  6144] close(24 <unfinished ...>
[pid  6145] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6144] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6145] close(21 <unfinished ...>
[pid  6144] close(25 <unfinished ...>
[pid  6145] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6144] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6145] close(22 <unfinished ...>
[pid  6144] close(26 <unfinished ...>
[pid  6145] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6144] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6145] close(23 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6144] close(27 <unfinished ...>
[pid  6145] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6144] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6145] close(24 <unfinished ...>
[pid  6144] close(28 <unfinished ...>
[pid  6145] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6144] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6144] close(29 <unfinished ...>
[pid  6145] close(25 <unfinished ...>
[pid  6144] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6145] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6145] close(26 <unfinished ...>
[pid  6144] exit_group(0 <unfinished ...>
[pid  6145] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6144] <... exit_group resumed>)   = ?
[pid  6145] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  6144] +++ exited with 0 +++
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6145] close(28 <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6145] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5856] close(3 <unfinished ...>
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6145] close(29 <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  6145] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] rmdir("./56")               = 0
[pid  5855] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6145] exit_group(0 <unfinished ...>
[pid  5856] mkdir("./57", 0777 <unfinished ...>
[pid  6145] <... exit_group resumed>)   = ?
[pid  5857] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6145] +++ exited with 0 +++
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... openat resumed>)       = 3
[pid  5854] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6147 attached
 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  6147] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 59
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] <... openat resumed>)       = 3
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6147] <... set_robust_list resumed>) = 0
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6147] chdir("./57" <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6147] <... chdir resumed>)        = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... restart_syscall resumed>) = 0
[pid  6147] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6147] <... prctl resumed>)        = 0
[pid  5855] newfstatat(AT_FDCWD, "./55/binderfs",  <unfinished ...>
[pid  6147] setpgid(0, 0 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6147] <... setpgid resumed>)      = 0
[pid  5855] unlink("./55/binderfs" <unfinished ...>
[pid  6147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6147] <... openat resumed>)       = 3
[pid  5857] newfstatat(AT_FDCWD, "./56/binderfs",  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./54/binderfs",  <unfinished ...>
[pid  6147] write(3, "1000", 4 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6147] <... write resumed>)        = 4
[pid  5857] unlink("./56/binderfs" <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5854] unlink("./54/binderfs" <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6147] close(3 <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5855] <... close resumed>)        = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] <... openat resumed>)       = 3
[pid  6147] <... close resumed>)        = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6147] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] rmdir("./55" <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  6147] <... symlink resumed>)      = 0
[pid  5857] <... close resumed>)        = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] <... close resumed>)        = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] rmdir("./56"executing program
 <unfinished ...>
[pid  5854] rmdir("./54" <unfinished ...>
[pid  6147] write(1, "executing program\n", 18 <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5855] mkdir("./56", 0777 <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6147] <... write resumed>)        = 18
[pid  5854] <... rmdir resumed>)        = 0
[pid  5857] mkdir("./57", 0777 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] mkdir("./55", 0777 <unfinished ...>
[pid  6147] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6147] <... bpf resumed>)          = 3
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6148 attached
 <unfinished ...>
[pid  6147] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5853] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6149 attached
 <unfinished ...>
[pid  6148] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6147] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 58
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6148] <... set_robust_list resumed>) = 0
[pid  6147] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./55/binderfs", ./strace-static-x86_64: Process 6150 attached
 <unfinished ...>
[pid  6149] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6148] chdir("./56" <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 59
[pid  6149] <... set_robust_list resumed>) = 0
[pid  6147] <... bpf resumed>)          = 4
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6148] <... chdir resumed>)        = 0
[pid  6147] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5853] unlink("./55/binderfs" <unfinished ...>
[pid  6150] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6149] chdir("./57" <unfinished ...>
[pid  6148] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6147] <... bpf resumed>)          = 5
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 57
[pid  6150] <... set_robust_list resumed>) = 0
[pid  6149] <... chdir resumed>)        = 0
[pid  6148] <... prctl resumed>)        = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  6148] setpgid(0, 0 <unfinished ...>
[pid  6147] close(3 <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6150] chdir("./55" <unfinished ...>
[pid  6149] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6148] <... setpgid resumed>)      = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6147] <... close resumed>)        = 0
[pid  6149] <... prctl resumed>)        = 0
[pid  6149] setpgid(0, 0 <unfinished ...>
[pid  6148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6147] close(4 <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  6150] <... chdir resumed>)        = 0
[pid  6149] <... setpgid resumed>)      = 0
[pid  6150] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6147] <... close resumed>)        = 0
[pid  5853] <... close resumed>)        = 0
[pid  6150] <... prctl resumed>)        = 0
[pid  6147] close(5 <unfinished ...>
[pid  5853] rmdir("./55" <unfinished ...>
[pid  6150] setpgid(0, 0 <unfinished ...>
[pid  6149] <... openat resumed>)       = 3
[pid  6148] <... openat resumed>)       = 3
[pid  5853] <... rmdir resumed>)        = 0
[pid  6150] <... setpgid resumed>)      = 0
[pid  6149] write(3, "1000", 4 <unfinished ...>
[pid  6150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6149] <... write resumed>)        = 4
[pid  6148] write(3, "1000", 4 <unfinished ...>
[pid  6147] <... close resumed>)        = 0
[pid  5853] mkdir("./56", 0777 <unfinished ...>
[pid  6149] close(3 <unfinished ...>
[pid  6148] <... write resumed>)        = 4
[pid  5853] <... mkdir resumed>)        = 0
executing program
[pid  6149] <... close resumed>)        = 0
[pid  6148] close(3 <unfinished ...>
[pid  6147] close(6 <unfinished ...>
[pid  6149] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6148] <... close resumed>)        = 0
[pid  6147] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6148] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6150] <... openat resumed>)       = 3
[pid  6150] write(3, "1000", 4)         = 4
[pid  6148] <... symlink resumed>)      = 0
[pid  6147] close(7 <unfinished ...>
[pid  6150] close(3)                    = 0
[pid  6150] symlink("/dev/binderfs", "./binderfs") = 0
[pid  6150] write(1, "executing program\n", 18) = 18
./strace-static-x86_64: Process 6151 attached
[pid  6150] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program
 <unfinished ...>
[pid  6149] <... symlink resumed>)      = 0
[pid  6148] write(1, "executing program\n", 18 <unfinished ...>
[pid  6147] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6151] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6150] <... bpf resumed>)          = 3
[pid  6148] <... write resumed>)        = 18
[pid  6147] close(8 <unfinished ...>
[pid  6151] <... set_robust_list resumed>) = 0
[pid  6150] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6151] chdir("./56" <unfinished ...>
[pid  6150] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6149] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6148] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6147] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 58
[pid  6151] <... chdir resumed>)        = 0
[pid  6150] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6149] <... write resumed>)        = 18
[pid  6148] <... bpf resumed>)          = 3
[pid  6147] close(9 <unfinished ...>
[pid  6151] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6150] <... bpf resumed>)          = 4
[pid  6149] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6148] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6147] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6151] <... prctl resumed>)        = 0
[pid  6149] <... bpf resumed>)          = 3
[pid  6151] setpgid(0, 0 <unfinished ...>
[pid  6150] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6148] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6147] close(10 <unfinished ...>
[pid  6151] <... setpgid resumed>)      = 0
[pid  6150] <... bpf resumed>)          = 5
[pid  6149] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6148] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6147] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6149] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6147] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  6151] <... openat resumed>)       = 3
[pid  6150] close(3 <unfinished ...>
[pid  6149] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6147] close(12 <unfinished ...>
[pid  6151] write(3, "1000", 4 <unfinished ...>
[pid  6150] <... close resumed>)        = 0
[pid  6148] <... bpf resumed>)          = 4
[pid  6151] <... write resumed>)        = 4
[pid  6150] close(4 <unfinished ...>
[pid  6149] <... bpf resumed>)          = 4
[pid  6151] close(3 <unfinished ...>
[pid  6150] <... close resumed>)        = 0
[pid  6151] <... close resumed>)        = 0
[pid  6150] close(5 <unfinished ...>
[pid  6151] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6150] <... close resumed>)        = 0
executing program
[pid  6149] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6148] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6147] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6151] <... symlink resumed>)      = 0
[pid  6147] close(13 <unfinished ...>
[pid  6151] write(1, "executing program\n", 18 <unfinished ...>
[pid  6150] close(6 <unfinished ...>
[pid  6147] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6151] <... write resumed>)        = 18
[pid  6150] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6149] <... bpf resumed>)          = 5
[pid  6148] <... bpf resumed>)          = 5
[pid  6147] close(14 <unfinished ...>
[pid  6150] close(7 <unfinished ...>
[pid  6151] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6150] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6151] <... bpf resumed>)          = 3
[pid  6150] close(8 <unfinished ...>
[pid  6149] close(3 <unfinished ...>
[pid  6148] close(3 <unfinished ...>
[pid  6147] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6150] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] <... close resumed>)        = 0
[pid  6147] close(15 <unfinished ...>
[pid  6149] <... close resumed>)        = 0
[pid  6147] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] close(4 <unfinished ...>
[pid  6147] close(16 <unfinished ...>
[pid  6149] close(4 <unfinished ...>
[pid  6147] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] <... close resumed>)        = 0
[pid  6147] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  6151] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6150] close(9 <unfinished ...>
[pid  6149] <... close resumed>)        = 0
[pid  6148] close(5 <unfinished ...>
[pid  6147] close(18 <unfinished ...>
[pid  6151] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6150] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6149] close(5 <unfinished ...>
[pid  6147] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6151] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6150] close(10 <unfinished ...>
[pid  6147] close(19 <unfinished ...>
[pid  6151] <... bpf resumed>)          = 4
[pid  6150] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6149] <... close resumed>)        = 0
[pid  6148] <... close resumed>)        = 0
[pid  6147] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6150] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  6150] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  6150] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  6149] close(6 <unfinished ...>
[pid  6148] close(6 <unfinished ...>
[pid  6147] close(20 <unfinished ...>
[pid  6151] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6150] close(14 <unfinished ...>
[pid  6149] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6147] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6151] <... bpf resumed>)          = 5
[pid  6150] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6149] close(7 <unfinished ...>
[pid  6148] close(7 <unfinished ...>
[pid  6147] close(21 <unfinished ...>
[pid  6149] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6149] close(8 <unfinished ...>
[pid  6148] close(8 <unfinished ...>
[pid  6147] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6149] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6151] close(3 <unfinished ...>
[pid  6150] close(15 <unfinished ...>
[pid  6149] close(9 <unfinished ...>
[pid  6148] close(9 <unfinished ...>
[pid  6147] close(22 <unfinished ...>
[pid  6151] <... close resumed>)        = 0
[pid  6150] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6149] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6147] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6151] close(4 <unfinished ...>
[pid  6150] close(16 <unfinished ...>
[pid  6149] close(10 <unfinished ...>
[pid  6148] close(10 <unfinished ...>
[pid  6147] close(23 <unfinished ...>
[pid  6151] <... close resumed>)        = 0
[pid  6150] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6149] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6151] close(5 <unfinished ...>
[pid  6150] close(17 <unfinished ...>
[pid  6151] <... close resumed>)        = 0
[pid  6150] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6149] close(11 <unfinished ...>
[pid  6148] close(11 <unfinished ...>
[pid  6147] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6149] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6147] close(24 <unfinished ...>
[pid  6149] close(12 <unfinished ...>
[pid  6148] close(12 <unfinished ...>
[pid  6147] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6149] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6147] close(25 <unfinished ...>
[pid  6149] close(13 <unfinished ...>
[pid  6148] close(13 <unfinished ...>
[pid  6149] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6147] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6151] close(6 <unfinished ...>
[pid  6150] close(18 <unfinished ...>
[pid  6151] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6150] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6149] close(14 <unfinished ...>
[pid  6148] close(14 <unfinished ...>
[pid  6147] close(26 <unfinished ...>
[pid  6151] close(7 <unfinished ...>
[pid  6150] close(19 <unfinished ...>
[pid  6149] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6147] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6151] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6150] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6149] close(15 <unfinished ...>
[pid  6148] close(15 <unfinished ...>
[pid  6147] close(27 <unfinished ...>
[pid  6151] close(8 <unfinished ...>
[pid  6150] close(20 <unfinished ...>
[pid  6149] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6147] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6151] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6150] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] close(16 <unfinished ...>
[pid  6147] close(28 <unfinished ...>
[pid  6149] close(16 <unfinished ...>
[pid  6151] close(9 <unfinished ...>
[pid  6150] close(21 <unfinished ...>
[pid  6149] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6147] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6151] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6150] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6149] close(17 <unfinished ...>
[pid  6148] close(17 <unfinished ...>
[pid  6147] close(29 <unfinished ...>
[pid  6151] close(10 <unfinished ...>
[pid  6150] close(22 <unfinished ...>
[pid  6149] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6147] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6151] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6150] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6149] close(18 <unfinished ...>
[pid  6148] close(18 <unfinished ...>
[pid  6151] close(11 <unfinished ...>
[pid  6150] close(23 <unfinished ...>
[pid  6149] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6147] exit_group(0 <unfinished ...>
[pid  6151] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6150] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6150] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  6150] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  6150] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  6150] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  6150] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  6150] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  6150] exit_group(0 <unfinished ...>
[pid  6149] close(19 <unfinished ...>
[pid  6151] close(12 <unfinished ...>
[pid  6150] <... exit_group resumed>)   = ?
[pid  6149] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] close(19 <unfinished ...>
[pid  6147] <... exit_group resumed>)   = ?
[pid  6151] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6150] +++ exited with 0 +++
[pid  6149] close(20 <unfinished ...>
[pid  6148] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6151] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  6151] close(14 <unfinished ...>
[pid  6147] +++ exited with 0 +++
[pid  6151] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6149] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] close(20 <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6151] close(15 <unfinished ...>
[pid  6149] close(21 <unfinished ...>
[pid  6148] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6151] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6149] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] close(21 <unfinished ...>
[pid  6151] close(16 <unfinished ...>
[pid  6149] close(22 <unfinished ...>
[pid  6151] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6149] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6151] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  6151] close(18 <unfinished ...>
[pid  6149] close(23 <unfinished ...>
[pid  6148] close(22 <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  6148] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  6148] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  6151] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6149] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6151] close(19 <unfinished ...>
[pid  6149] close(24 <unfinished ...>
[pid  6148] close(25 <unfinished ...>
[pid  5856] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6151] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6149] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6151] close(20 <unfinished ...>
[pid  6149] close(25 <unfinished ...>
[pid  6148] close(26 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6151] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6149] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6151] close(21 <unfinished ...>
[pid  6149] close(26 <unfinished ...>
[pid  6148] close(27 <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5854] <... openat resumed>)       = 3
[pid  6151] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6149] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6151] close(22 <unfinished ...>
[pid  6149] close(27 <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  6151] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6149] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] close(28 <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6151] close(23 <unfinished ...>
[pid  6149] close(28 <unfinished ...>
[pid  6148] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6151] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6149] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6148] close(29 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6151] close(24 <unfinished ...>
[pid  6149] close(29 <unfinished ...>
[pid  6151] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6149] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6151] close(25 <unfinished ...>
[pid  6149] exit_group(0 <unfinished ...>
[pid  6148] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6151] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6151] close(26 <unfinished ...>
[pid  6149] <... exit_group resumed>)   = ?
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6148] exit_group(0 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6148] <... exit_group resumed>)   = ?
[pid  6151] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6149] +++ exited with 0 +++
[pid  6148] +++ exited with 0 +++
[pid  5856] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./55/binderfs",  <unfinished ...>
[pid  6151] close(27 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] newfstatat(AT_FDCWD, "./57/binderfs",  <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6151] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] unlink("./55/binderfs" <unfinished ...>
[pid  6151] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  6151] close(29 <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  6151] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6151] exit_group(0 <unfinished ...>
[pid  5856] unlink("./57/binderfs" <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6151] <... exit_group resumed>)   = ?
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6151] +++ exited with 0 +++
[pid  5856] <... unlink resumed>)       = 0
[pid  5854] close(3 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] rmdir("./55" <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] <... close resumed>)        = 0
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5857] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] rmdir("./57" <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5856] <... rmdir resumed>)        = 0
[pid  5855] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] mkdir("./56", 0777 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] mkdir("./58", 0777 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... mkdir resumed>)        = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6152 attached
 <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... openat resumed>)       = 3
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 58
[pid  6152] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6152] <... set_robust_list resumed>) = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
./strace-static-x86_64: Process 6153 attached
[pid  5857] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6153] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6152] chdir("./56" <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6153] <... set_robust_list resumed>) = 0
[pid  6152] <... chdir resumed>)        = 0
[pid  5857] newfstatat(AT_FDCWD, "./57/binderfs",  <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 60
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6152] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6153] chdir("./58" <unfinished ...>
[pid  6152] <... prctl resumed>)        = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] unlink("./57/binderfs" <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./56/binderfs",  <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6153] <... chdir resumed>)        = 0
[pid  6152] setpgid(0, 0 <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5853] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] newfstatat(AT_FDCWD, "./56/binderfs",  <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] <... close resumed>)        = 0
[pid  5853] unlink("./56/binderfs" <unfinished ...>
[pid  6153] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6152] <... setpgid resumed>)      = 0
[pid  5857] rmdir("./57" <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  6153] <... prctl resumed>)        = 0
[pid  6152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5857] mkdir("./58", 0777 <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] close(3)                    = 0
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] rmdir("./56" <unfinished ...>
[pid  6153] setpgid(0, 0 <unfinished ...>
[pid  6152] <... openat resumed>)       = 3
[pid  5855] unlink("./56/binderfs"./strace-static-x86_64: Process 6154 attached
 <unfinished ...>
[pid  6153] <... setpgid resumed>)      = 0
[pid  5853] <... rmdir resumed>)        = 0
[pid  5853] mkdir("./57", 0777 <unfinished ...>
[pid  6153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 60
[pid  5853] <... mkdir resumed>)        = 0
[pid  6154] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6154] <... set_robust_list resumed>) = 0
[pid  6152] write(3, "1000", 4 <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  6153] <... openat resumed>)       = 3
[pid  6152] <... write resumed>)        = 4
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6153] write(3, "1000", 4 <unfinished ...>
[pid  6152] close(3 <unfinished ...>
[pid  6153] <... write resumed>)        = 4
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6153] close(3 <unfinished ...>
[pid  6152] <... close resumed>)        = 0
[pid  5855] close(3 <unfinished ...>
[pid  6153] <... close resumed>)        = 0
[pid  6152] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6153] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5855] <... close resumed>)        = 0
./strace-static-x86_64: Process 6155 attached
[pid  6154] chdir("./58" <unfinished ...>
[pid  6153] <... symlink resumed>)      = 0
[pid  6152] <... symlink resumed>)      = 0
[pid  5855] rmdir("./56" <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 59
[pid  6155] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6154] <... chdir resumed>)        = 0
executing program
[pid  6153] write(1, "executing program\n", 18 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  6155] <... set_robust_list resumed>) = 0
[pid  6154] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6153] <... write resumed>)        = 18
[pid  6152] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  6155] chdir("./57" <unfinished ...>
[pid  6154] <... prctl resumed>)        = 0
[pid  6153] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5855] mkdir("./57", 0777 <unfinished ...>
[pid  6155] <... chdir resumed>)        = 0
[pid  6154] setpgid(0, 0 <unfinished ...>
[pid  6152] <... write resumed>)        = 18
[pid  6155] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6154] <... setpgid resumed>)      = 0
[pid  6153] <... bpf resumed>)          = 3
[pid  6152] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  6155] <... prctl resumed>)        = 0
[pid  6154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6153] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6152] <... bpf resumed>)          = 3
[pid  6155] setpgid(0, 0)               = 0
[pid  6154] <... openat resumed>)       = 3
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6152] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6153] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6156 attached
 <unfinished ...>
[pid  6154] write(3, "1000", 4 <unfinished ...>
[pid  6153] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6152] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 59
[pid  6156] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6154] <... write resumed>)        = 4
[pid  6152] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6156] <... set_robust_list resumed>) = 0
[pid  6154] close(3 <unfinished ...>
[pid  6155] <... openat resumed>)       = 3
[pid  6154] <... close resumed>)        = 0
[pid  6152] <... bpf resumed>)          = 4
[pid  6155] write(3, "1000", 4 <unfinished ...>
[pid  6156] chdir("./57" <unfinished ...>
[pid  6155] <... write resumed>)        = 4
[pid  6156] <... chdir resumed>)        = 0
[pid  6155] close(3 <unfinished ...>
[pid  6154] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6153] <... bpf resumed>)          = 4
[pid  6152] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6156] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6155] <... close resumed>)        = 0
[pid  6153] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6156] <... prctl resumed>)        = 0
[pid  6155] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6154] <... symlink resumed>)      = 0
[pid  6152] <... bpf resumed>)          = 5
[pid  6156] setpgid(0, 0 <unfinished ...>
[pid  6155] <... symlink resumed>)      = 0
executing program
executing program
[pid  6153] <... bpf resumed>)          = 5
[pid  6156] <... setpgid resumed>)      = 0
[pid  6155] write(1, "executing program\n", 18 <unfinished ...>
[pid  6154] write(1, "executing program\n", 18 <unfinished ...>
[pid  6152] close(3 <unfinished ...>
[pid  6155] <... write resumed>)        = 18
[pid  6154] <... write resumed>)        = 18
[pid  6153] close(3 <unfinished ...>
[pid  6152] <... close resumed>)        = 0
[pid  6156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6155] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6154] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6153] <... close resumed>)        = 0
[pid  6152] close(4 <unfinished ...>
[pid  6156] <... openat resumed>)       = 3
[pid  6155] <... bpf resumed>)          = 3
[pid  6154] <... bpf resumed>)          = 3
[pid  6156] write(3, "1000", 4 <unfinished ...>
[pid  6155] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6153] close(4 <unfinished ...>
[pid  6152] <... close resumed>)        = 0
[pid  6156] <... write resumed>)        = 4
[pid  6155] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6154] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6152] close(5 <unfinished ...>
[pid  6156] close(3 <unfinished ...>
[pid  6155] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6154] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6153] <... close resumed>)        = 0
[pid  6156] <... close resumed>)        = 0
[pid  6154] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6152] <... close resumed>)        = 0
[pid  6153] close(5 <unfinished ...>
[pid  6156] symlink("/dev/binderfs", "./binderfs") = 0
[pid  6155] <... bpf resumed>)          = 4
executing program
[pid  6153] <... close resumed>)        = 0
[pid  6152] close(6 <unfinished ...>
[pid  6156] write(1, "executing program\n", 18 <unfinished ...>
[pid  6154] <... bpf resumed>)          = 4
[pid  6153] close(6 <unfinished ...>
[pid  6152] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] <... write resumed>)        = 18
[pid  6154] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6153] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6152] close(7 <unfinished ...>
[pid  6156] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6155] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6153] close(7 <unfinished ...>
[pid  6152] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] <... bpf resumed>)          = 3
[pid  6155] <... bpf resumed>)          = 5
[pid  6154] <... bpf resumed>)          = 5
[pid  6153] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6152] close(8 <unfinished ...>
[pid  6156] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6154] close(3 <unfinished ...>
[pid  6153] close(8 <unfinished ...>
[pid  6152] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6155] close(3 <unfinished ...>
[pid  6154] <... close resumed>)        = 0
[pid  6153] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6152] close(9 <unfinished ...>
[pid  6156] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6155] <... close resumed>)        = 0
[pid  6154] close(4 <unfinished ...>
[pid  6153] close(9 <unfinished ...>
[pid  6152] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6155] close(4 <unfinished ...>
[pid  6156] <... bpf resumed>)          = 4
[pid  6155] <... close resumed>)        = 0
[pid  6154] <... close resumed>)        = 0
[pid  6153] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6152] close(10 <unfinished ...>
[pid  6156] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6155] close(5 <unfinished ...>
[pid  6154] close(5 <unfinished ...>
[pid  6153] close(10 <unfinished ...>
[pid  6152] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] <... bpf resumed>)          = 5
[pid  6154] <... close resumed>)        = 0
[pid  6153] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6152] close(11 <unfinished ...>
[pid  6156] close(3 <unfinished ...>
[pid  6154] close(6 <unfinished ...>
[pid  6153] close(11 <unfinished ...>
[pid  6152] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] <... close resumed>)        = 0
[pid  6154] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6153] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6152] close(12 <unfinished ...>
[pid  6156] close(4 <unfinished ...>
[pid  6154] close(7 <unfinished ...>
[pid  6153] close(12 <unfinished ...>
[pid  6152] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] <... close resumed>)        = 0
[pid  6154] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6153] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6152] close(13 <unfinished ...>
[pid  6156] close(5 <unfinished ...>
[pid  6154] close(8 <unfinished ...>
[pid  6153] close(13 <unfinished ...>
[pid  6152] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] <... close resumed>)        = 0
[pid  6155] <... close resumed>)        = 0
[pid  6154] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6153] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] close(6 <unfinished ...>
[pid  6155] close(6 <unfinished ...>
[pid  6154] close(9 <unfinished ...>
[pid  6152] close(14 <unfinished ...>
[pid  6156] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6155] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6153] close(14 <unfinished ...>
[pid  6154] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] close(7 <unfinished ...>
[pid  6155] close(7 <unfinished ...>
[pid  6153] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6152] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6155] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6154] close(10 <unfinished ...>
[pid  6153] close(15 <unfinished ...>
[pid  6156] close(8 <unfinished ...>
[pid  6155] close(8 <unfinished ...>
[pid  6154] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6153] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6152] close(15 <unfinished ...>
[pid  6156] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6155] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6154] close(11 <unfinished ...>
[pid  6153] close(16 <unfinished ...>
[pid  6152] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] close(9 <unfinished ...>
[pid  6155] close(9 <unfinished ...>
[pid  6154] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6155] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6155] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  6155] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  6155] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  6155] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  6155] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  6155] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  6155] close(16 <unfinished ...>
[pid  6156] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6155] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6154] close(12 <unfinished ...>
[pid  6153] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6152] close(16 <unfinished ...>
[pid  6156] close(10 <unfinished ...>
[pid  6155] close(17 <unfinished ...>
[pid  6154] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6153] close(17 <unfinished ...>
[pid  6152] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6155] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6154] close(13 <unfinished ...>
[pid  6152] close(17 <unfinished ...>
[pid  6153] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] close(11 <unfinished ...>
[pid  6155] close(18 <unfinished ...>
[pid  6154] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6153] close(18 <unfinished ...>
[pid  6152] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6155] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6154] close(14 <unfinished ...>
[pid  6153] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6152] close(18 <unfinished ...>
[pid  6156] close(12 <unfinished ...>
[pid  6155] close(19 <unfinished ...>
[pid  6154] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6153] close(19 <unfinished ...>
[pid  6152] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6155] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6154] close(15 <unfinished ...>
[pid  6153] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6152] close(19 <unfinished ...>
[pid  6156] close(13 <unfinished ...>
[pid  6155] close(20 <unfinished ...>
[pid  6154] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6153] close(20 <unfinished ...>
[pid  6152] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6155] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6154] close(16 <unfinished ...>
[pid  6153] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6152] close(20 <unfinished ...>
[pid  6156] close(14 <unfinished ...>
[pid  6155] close(21 <unfinished ...>
[pid  6154] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6153] close(21 <unfinished ...>
[pid  6152] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6155] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6154] close(17 <unfinished ...>
[pid  6153] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6152] close(21 <unfinished ...>
[pid  6156] close(15 <unfinished ...>
[pid  6155] close(22 <unfinished ...>
[pid  6154] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6153] close(22 <unfinished ...>
[pid  6152] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6155] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6154] close(18 <unfinished ...>
[pid  6153] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6152] close(22 <unfinished ...>
[pid  6156] close(16 <unfinished ...>
[pid  6155] close(23 <unfinished ...>
[pid  6154] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6153] close(23 <unfinished ...>
[pid  6152] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6155] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6154] close(19 <unfinished ...>
[pid  6153] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6152] close(23 <unfinished ...>
[pid  6156] close(17 <unfinished ...>
[pid  6155] close(24 <unfinished ...>
[pid  6154] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6153] close(24 <unfinished ...>
[pid  6152] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6155] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6154] close(20 <unfinished ...>
[pid  6153] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6152] close(24 <unfinished ...>
[pid  6156] close(18 <unfinished ...>
[pid  6155] close(25 <unfinished ...>
[pid  6154] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6153] close(25 <unfinished ...>
[pid  6152] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6155] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6154] close(21 <unfinished ...>
[pid  6153] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6152] close(25 <unfinished ...>
[pid  6156] close(19 <unfinished ...>
[pid  6155] close(26 <unfinished ...>
[pid  6154] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6153] close(26 <unfinished ...>
[pid  6152] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6155] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6154] close(22 <unfinished ...>
[pid  6153] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6152] close(26 <unfinished ...>
[pid  6156] close(20 <unfinished ...>
[pid  6155] close(27 <unfinished ...>
[pid  6154] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6153] close(27 <unfinished ...>
[pid  6152] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6155] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6154] close(23 <unfinished ...>
[pid  6153] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6152] close(27 <unfinished ...>
[pid  6156] close(21 <unfinished ...>
[pid  6155] close(28 <unfinished ...>
[pid  6154] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6153] close(28 <unfinished ...>
[pid  6152] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6154] close(24 <unfinished ...>
[pid  6153] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6152] close(28 <unfinished ...>
[pid  6156] close(22 <unfinished ...>
[pid  6154] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6153] close(29 <unfinished ...>
[pid  6152] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6154] close(25 <unfinished ...>
[pid  6156] close(23 <unfinished ...>
[pid  6154] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6153] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6152] close(29 <unfinished ...>
[pid  6156] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6154] close(26 <unfinished ...>
[pid  6155] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6154] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] close(24 <unfinished ...>
[pid  6152] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6155] close(29 <unfinished ...>
[pid  6154] close(27 <unfinished ...>
[pid  6155] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6155] exit_group(0)               = ?
[pid  6156] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6155] +++ exited with 0 +++
[pid  6154] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6153] exit_group(0 <unfinished ...>
[pid  6152] exit_group(0 <unfinished ...>
[pid  6156] close(25 <unfinished ...>
[pid  6154] close(28 <unfinished ...>
[pid  6152] <... exit_group resumed>)   = ?
[pid  6153] <... exit_group resumed>)   = ?
[pid  6156] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6154] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6156] close(26 <unfinished ...>
[pid  6154] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6153] +++ exited with 0 +++
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6156] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6154] exit_group(0 <unfinished ...>
[pid  6152] +++ exited with 0 +++
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6156] close(27 <unfinished ...>
[pid  6154] <... exit_group resumed>)   = ?
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6156] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] <... restart_syscall resumed>) = 0
[pid  6156] close(28 <unfinished ...>
[pid  6154] +++ exited with 0 +++
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  6156] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6156] close(29 <unfinished ...>
[pid  5854] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6156] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6156] exit_group(0 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6156] <... exit_group resumed>)   = ?
[pid  5856] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5853] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6156] +++ exited with 0 +++
[pid  5856] <... openat resumed>)       = 3
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] newfstatat(AT_FDCWD, "./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5854] newfstatat(AT_FDCWD, "./56/binderfs",  <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] unlink("./58/binderfs" <unfinished ...>
[pid  5854] unlink("./56/binderfs" <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] close(3 <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5856] <... close resumed>)        = 0
[pid  5855] <... openat resumed>)       = 3
[pid  5854] close(3 <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] rmdir("./58" <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] <... close resumed>)        = 0
[pid  5853] newfstatat(AT_FDCWD, "./57/binderfs",  <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] rmdir("./56" <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] mkdir("./59", 0777 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] unlink("./57/binderfs" <unfinished ...>
[pid  5857] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./58/binderfs",  <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./57/binderfs",  <unfinished ...>
[pid  5854] mkdir("./57", 0777 <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
./strace-static-x86_64: Process 6157 attached
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6157] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] unlink("./58/binderfs" <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6157] <... set_robust_list resumed>) = 0
[pid  5857] <... unlink resumed>)       = 0
[pid  5855] unlink("./57/binderfs" <unfinished ...>
[pid  5853] close(3./strace-static-x86_64: Process 6158 attached
 <unfinished ...>
[pid  5857] getdents64(3, 0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 61
[pid  6157] chdir("./59" <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5853] rmdir("./57" <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 59
[pid  5853] <... rmdir resumed>)        = 0
[pid  6158] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6157] <... chdir resumed>)        = 0
[pid  5857] close(3 <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5853] mkdir("./58", 0777 <unfinished ...>
[pid  6158] <... set_robust_list resumed>) = 0
[pid  6157] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6158] chdir("./57" <unfinished ...>
[pid  6157] <... prctl resumed>)        = 0
[pid  5857] rmdir("./58" <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6158] <... chdir resumed>)        = 0
[pid  6157] setpgid(0, 0 <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5855] close(3./strace-static-x86_64: Process 6159 attached
 <unfinished ...>
[pid  6158] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6157] <... setpgid resumed>)      = 0
[pid  5855] <... close resumed>)        = 0
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 60
[pid  6159] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6158] <... prctl resumed>)        = 0
[pid  6157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] mkdir("./59", 0777 <unfinished ...>
[pid  5855] rmdir("./57" <unfinished ...>
[pid  6158] setpgid(0, 0 <unfinished ...>
[pid  6159] <... set_robust_list resumed>) = 0
[pid  6158] <... setpgid resumed>)      = 0
[pid  5857] <... mkdir resumed>)        = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  6159] chdir("./58" <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6160 attached
 <unfinished ...>
[pid  6159] <... chdir resumed>)        = 0
[pid  6157] <... openat resumed>)       = 3
[pid  5855] mkdir("./58", 0777 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 61
[pid  6160] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6159] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6158] <... openat resumed>)       = 3
[pid  6157] write(3, "1000", 4 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  6160] <... set_robust_list resumed>) = 0
[pid  6159] <... prctl resumed>)        = 0
[pid  6158] write(3, "1000", 4 <unfinished ...>
[pid  6157] <... write resumed>)        = 4
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6160] chdir("./59" <unfinished ...>
[pid  6159] setpgid(0, 0 <unfinished ...>
[pid  6158] <... write resumed>)        = 4
[pid  6157] close(3 <unfinished ...>
[pid  6160] <... chdir resumed>)        = 0
[pid  6159] <... setpgid resumed>)      = 0
./strace-static-x86_64: Process 6161 attached
[pid  6160] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6158] close(3 <unfinished ...>
[pid  6157] <... close resumed>)        = 0
[pid  6158] <... close resumed>)        = 0
[pid  6161] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6160] <... prctl resumed>)        = 0
[pid  6159] <... openat resumed>)       = 3
[pid  6158] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6157] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 60
[pid  6161] <... set_robust_list resumed>) = 0
[pid  6160] setpgid(0, 0 <unfinished ...>
[pid  6159] write(3, "1000", 4 <unfinished ...>
[pid  6158] <... symlink resumed>)      = 0
[pid  6157] <... symlink resumed>)      = 0
[pid  6160] <... setpgid resumed>)      = 0
[pid  6159] <... write resumed>)        = 4
[pid  6158] write(1, "executing program\n", 18 <unfinished ...>
[pid  6157] write(1, "executing program\n", 18executing program
executing program
 <unfinished ...>
[pid  6161] chdir("./58" <unfinished ...>
[pid  6160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6159] close(3 <unfinished ...>
[pid  6158] <... write resumed>)        = 18
[pid  6157] <... write resumed>)        = 18
[pid  6161] <... chdir resumed>)        = 0
[pid  6161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6161] setpgid(0, 0)               = 0
[pid  6159] <... close resumed>)        = 0
[pid  6161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6158] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6159] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6157] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6160] <... openat resumed>)       = 3
[pid  6159] <... symlink resumed>)      = 0
[pid  6158] <... bpf resumed>)          = 3
[pid  6160] write(3, "1000", 4 <unfinished ...>
[pid  6157] <... bpf resumed>)          = 3
executing program
[pid  6161] <... openat resumed>)       = 3
[pid  6160] <... write resumed>)        = 4
[pid  6159] write(1, "executing program\n", 18 <unfinished ...>
[pid  6158] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6157] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6161] write(3, "1000", 4 <unfinished ...>
[pid  6160] close(3 <unfinished ...>
[pid  6159] <... write resumed>)        = 18
[pid  6161] <... write resumed>)        = 4
[pid  6161] close(3)                    = 0
[pid  6161] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid  6158] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6161] write(1, "executing program\n", 18) = 18
[pid  6161] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3
[pid  6160] <... close resumed>)        = 0
[pid  6159] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6157] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6161] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6160] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6158] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6160] <... symlink resumed>)      = 0
[pid  6159] <... bpf resumed>)          = 3
[pid  6157] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6160] write(1, "executing program\n", 18 <unfinished ...>
[pid  6161] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6161] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144executing program
) = 4
[pid  6160] <... write resumed>)        = 18
[pid  6159] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6158] <... bpf resumed>)          = 4
[pid  6157] <... bpf resumed>)          = 4
[pid  6160] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6159] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6158] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6157] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6159] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6160] <... bpf resumed>)          = 3
[pid  6158] <... bpf resumed>)          = 5
[pid  6161] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16) = 5
[pid  6160] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6159] <... bpf resumed>)          = 4
[pid  6157] <... bpf resumed>)          = 5
[pid  6161] close(3 <unfinished ...>
[pid  6160] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6159] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6158] close(3 <unfinished ...>
[pid  6157] close(3 <unfinished ...>
[pid  6161] <... close resumed>)        = 0
[pid  6160] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6157] <... close resumed>)        = 0
[pid  6161] close(4 <unfinished ...>
[pid  6159] <... bpf resumed>)          = 5
[pid  6158] <... close resumed>)        = 0
[pid  6157] close(4 <unfinished ...>
[pid  6161] <... close resumed>)        = 0
[pid  6161] close(5)                    = 0
[pid  6157] <... close resumed>)        = 0
[pid  6158] close(4 <unfinished ...>
[pid  6159] close(3 <unfinished ...>
[pid  6158] <... close resumed>)        = 0
[pid  6157] close(5 <unfinished ...>
[pid  6159] <... close resumed>)        = 0
[pid  6161] close(6)                    = -1 EBADF (Bad file descriptor)
[pid  6161] close(7 <unfinished ...>
[pid  6160] <... bpf resumed>)          = 4
[pid  6158] close(5 <unfinished ...>
[pid  6161] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6159] close(4 <unfinished ...>
[pid  6157] <... close resumed>)        = 0
[pid  6161] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  6161] close(9 <unfinished ...>
[pid  6160] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6159] <... close resumed>)        = 0
[pid  6157] close(6 <unfinished ...>
[pid  6161] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6159] close(5 <unfinished ...>
[pid  6157] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6161] close(10 <unfinished ...>
[pid  6157] close(7 <unfinished ...>
[pid  6161] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6157] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6161] close(11 <unfinished ...>
[pid  6158] <... close resumed>)        = 0
[pid  6157] close(8 <unfinished ...>
[pid  6161] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6161] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  6161] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  6160] <... bpf resumed>)          = 5
[pid  6159] <... close resumed>)        = 0
[pid  6158] close(6 <unfinished ...>
[pid  6157] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6158] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6157] close(9 <unfinished ...>
[pid  6159] close(6 <unfinished ...>
[pid  6158] close(7 <unfinished ...>
[pid  6157] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6159] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6158] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6157] close(10 <unfinished ...>
[pid  6159] close(7 <unfinished ...>
[pid  6158] close(8 <unfinished ...>
[pid  6157] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6159] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6158] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6161] close(14 <unfinished ...>
[pid  6160] close(3 <unfinished ...>
[pid  6159] close(8 <unfinished ...>
[pid  6158] close(9 <unfinished ...>
[pid  6157] close(11 <unfinished ...>
[pid  6161] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6160] <... close resumed>)        = 0
[pid  6159] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6158] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6157] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6161] close(15 <unfinished ...>
[pid  6160] close(4 <unfinished ...>
[pid  6159] close(9 <unfinished ...>
[pid  6158] close(10 <unfinished ...>
[pid  6157] close(12 <unfinished ...>
[pid  6161] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6160] <... close resumed>)        = 0
[pid  6159] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6158] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6157] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6161] close(16 <unfinished ...>
[pid  6160] close(5 <unfinished ...>
[pid  6159] close(10 <unfinished ...>
[pid  6158] close(11 <unfinished ...>
[pid  6157] close(13 <unfinished ...>
[pid  6161] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6160] <... close resumed>)        = 0
[pid  6159] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6158] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6161] close(17 <unfinished ...>
[pid  6157] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6161] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6160] close(6 <unfinished ...>
[pid  6159] close(11 <unfinished ...>
[pid  6158] close(12 <unfinished ...>
[pid  6157] close(14 <unfinished ...>
[pid  6161] close(18 <unfinished ...>
[pid  6160] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6159] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6158] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6157] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6161] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6160] close(7 <unfinished ...>
[pid  6159] close(12 <unfinished ...>
[pid  6158] close(13 <unfinished ...>
[pid  6161] close(19 <unfinished ...>
[pid  6160] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6159] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6158] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6161] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6160] close(8 <unfinished ...>
[pid  6159] close(13 <unfinished ...>
[pid  6158] close(14 <unfinished ...>
[pid  6161] close(20 <unfinished ...>
[pid  6157] close(15 <unfinished ...>
[pid  6161] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6160] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6159] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6158] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6157] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6161] close(21 <unfinished ...>
[pid  6160] close(9 <unfinished ...>
[pid  6159] close(14 <unfinished ...>
[pid  6158] close(15 <unfinished ...>
[pid  6157] close(16 <unfinished ...>
[pid  6161] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6160] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6159] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6158] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6157] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6161] close(22 <unfinished ...>
[pid  6160] close(10 <unfinished ...>
[pid  6159] close(15 <unfinished ...>
[pid  6158] close(16 <unfinished ...>
[pid  6157] close(17 <unfinished ...>
[pid  6161] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6160] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6159] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6158] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6157] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6161] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  6160] close(11 <unfinished ...>
[pid  6159] close(16 <unfinished ...>
[pid  6158] close(17 <unfinished ...>
[pid  6157] close(18 <unfinished ...>
[pid  6161] close(24 <unfinished ...>
[pid  6160] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6159] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6158] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6157] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6161] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6160] close(12 <unfinished ...>
[pid  6159] close(17 <unfinished ...>
[pid  6158] close(18 <unfinished ...>
[pid  6157] close(19 <unfinished ...>
[pid  6161] close(25 <unfinished ...>
[pid  6160] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6159] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6158] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6157] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6161] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6160] close(13 <unfinished ...>
[pid  6157] close(20 <unfinished ...>
[pid  6161] close(26 <unfinished ...>
[pid  6160] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6159] close(18 <unfinished ...>
[pid  6158] close(19 <unfinished ...>
[pid  6157] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6161] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6160] close(14 <unfinished ...>
[pid  6159] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6158] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6157] close(21 <unfinished ...>
[pid  6161] close(27 <unfinished ...>
[pid  6160] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6159] close(19 <unfinished ...>
[pid  6158] close(20 <unfinished ...>
[pid  6157] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6161] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6160] close(15 <unfinished ...>
[pid  6159] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6158] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6157] close(22 <unfinished ...>
[pid  6161] close(28 <unfinished ...>
[pid  6160] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6159] close(20 <unfinished ...>
[pid  6158] close(21 <unfinished ...>
[pid  6157] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6161] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6160] close(16 <unfinished ...>
[pid  6157] close(23 <unfinished ...>
[pid  6161] close(29 <unfinished ...>
[pid  6160] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6159] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6158] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6157] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6161] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6160] close(17 <unfinished ...>
[pid  6159] close(21 <unfinished ...>
[pid  6158] close(22 <unfinished ...>
[pid  6157] close(24 <unfinished ...>
[pid  6161] exit_group(0 <unfinished ...>
[pid  6160] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6159] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6158] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6157] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6161] <... exit_group resumed>)   = ?
[pid  6160] close(18 <unfinished ...>
[pid  6159] close(22 <unfinished ...>
[pid  6158] close(23 <unfinished ...>
[pid  6157] close(25 <unfinished ...>
[pid  6161] +++ exited with 0 +++
[pid  6160] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6159] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6158] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6157] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6160] close(19 <unfinished ...>
[pid  6159] close(23 <unfinished ...>
[pid  6158] close(24 <unfinished ...>
[pid  6157] close(26 <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6160] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6159] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6158] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6157] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6160] close(20 <unfinished ...>
[pid  6159] close(24 <unfinished ...>
[pid  6158] close(25 <unfinished ...>
[pid  6157] close(27 <unfinished ...>
[pid  5855] <... restart_syscall resumed>) = 0
[pid  6157] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6157] close(28 <unfinished ...>
[pid  6160] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6159] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6158] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6160] close(21 <unfinished ...>
[pid  6159] close(25 <unfinished ...>
[pid  6158] close(26 <unfinished ...>
[pid  6157] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6160] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6159] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6158] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6157] close(29 <unfinished ...>
[pid  6160] close(22 <unfinished ...>
[pid  6159] close(26 <unfinished ...>
[pid  6158] close(27 <unfinished ...>
[pid  6160] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6159] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6158] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6160] close(23 <unfinished ...>
[pid  6159] close(27 <unfinished ...>
[pid  6158] close(28 <unfinished ...>
[pid  6160] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6159] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6158] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6160] close(24 <unfinished ...>
[pid  6159] close(28 <unfinished ...>
[pid  6158] close(29 <unfinished ...>
[pid  6160] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6159] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6158] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6160] close(25 <unfinished ...>
[pid  6159] close(29 <unfinished ...>
[pid  6158] exit_group(0 <unfinished ...>
[pid  6160] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6159] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6157] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6160] close(26 <unfinished ...>
[pid  6159] exit_group(0 <unfinished ...>
[pid  6158] <... exit_group resumed>)   = ?
[pid  6160] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6157] exit_group(0 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6157] <... exit_group resumed>)   = ?
[pid  5855] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6158] +++ exited with 0 +++
[pid  6157] +++ exited with 0 +++
[pid  6160] close(27 <unfinished ...>
[pid  6159] <... exit_group resumed>)   = ?
[pid  6160] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6159] +++ exited with 0 +++
[pid  5855] <... openat resumed>)       = 3
[pid  6160] close(28 <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=61, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6160] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6160] close(29 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6160] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6160] exit_group(0)               = ?
[pid  5855] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6160] +++ exited with 0 +++
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=61, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] newfstatat(AT_FDCWD, "./58/binderfs",  <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] unlink("./58/binderfs")     = 0
[pid  5855] getdents64(3, 0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] close(3)                    = 0
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5855] rmdir("./58" <unfinished ...>
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  5855] mkdir("./59", 0777 <unfinished ...>
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5857] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5853] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... openat resumed>)       = 3
./strace-static-x86_64: Process 6162 attached
[pid  5857] <... openat resumed>)       = 3
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 61
[pid  5854] <... openat resumed>)       = 3
[pid  6162] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] <... openat resumed>)       = 3
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6162] <... set_robust_list resumed>) = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6162] chdir("./59" <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] newfstatat(AT_FDCWD, "./58/binderfs",  <unfinished ...>
[pid  6162] <... chdir resumed>)        = 0
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./57/binderfs",  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6162] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./59/binderfs",  <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] newfstatat(AT_FDCWD, "./59/binderfs",  <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] unlink("./58/binderfs" <unfinished ...>
[pid  6162] <... prctl resumed>)        = 0
[pid  5857] unlink("./59/binderfs" <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] unlink("./57/binderfs" <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6162] setpgid(0, 0 <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] close(3 <unfinished ...>
[pid  5856] unlink("./59/binderfs" <unfinished ...>
[pid  6162] <... setpgid resumed>)      = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  5853] rmdir("./58")               = 0
[pid  6162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5853] mkdir("./59", 0777 <unfinished ...>
[pid  6162] <... openat resumed>)       = 3
[pid  5857] close(3 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6162] write(3, "1000", 4 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] close(3 <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  6162] <... write resumed>)        = 4
[pid  5857] rmdir("./59" <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  6162] close(3 <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] <... close resumed>)        = 0
[pid  5854] rmdir("./57" <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6162] <... close resumed>)        = 0
./strace-static-x86_64: Process 6163 attached
[pid  6162] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5857] mkdir("./60", 0777 <unfinished ...>
[pid  5856] rmdir("./59" <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  6162] <... symlink resumed>)      = 0
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] <... rmdir resumed>)        = 0
[pid  5854] mkdir("./58", 0777)         = 0
[pid  6163] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6163] <... set_robust_list resumed>) = 0
[pid  6163] chdir("./59")               = 0
[pid  6162] write(1, "executing program\n", 18 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
executing program
[pid  5856] mkdir("./60", 0777 <unfinished ...>
[pid  6163] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6162] <... write resumed>)        = 18
[pid  6163] <... prctl resumed>)        = 0
[pid  6163] setpgid(0, 0 <unfinished ...>
[pid  6162] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  6163] <... setpgid resumed>)      = 0
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 61
./strace-static-x86_64: Process 6164 attached
[pid  6163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6165 attached
 <unfinished ...>
[pid  6164] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6163] <... openat resumed>)       = 3
[pid  6162] <... bpf resumed>)          = 3
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6166 attached
 <unfinished ...>
[pid  6165] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6164] <... set_robust_list resumed>) = 0
[pid  6163] write(3, "1000", 4 <unfinished ...>
[pid  6162] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 62
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 60
[pid  6166] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6165] <... set_robust_list resumed>) = 0
[pid  6164] chdir("./60" <unfinished ...>
[pid  6163] <... write resumed>)        = 4
[pid  6162] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6166] <... set_robust_list resumed>) = 0
[pid  6163] close(3 <unfinished ...>
[pid  6166] chdir("./60" <unfinished ...>
[pid  6165] chdir("./58" <unfinished ...>
[pid  6163] <... close resumed>)        = 0
[pid  6165] <... chdir resumed>)        = 0
[pid  6164] <... chdir resumed>)        = 0
[pid  6163] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6162] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 62
[pid  6166] <... chdir resumed>)        = 0
[pid  6165] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6164] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6163] <... symlink resumed>)      = 0
[pid  6162] <... bpf resumed>)          = 4
[pid  6165] <... prctl resumed>)        = 0
[pid  6164] <... prctl resumed>)        = 0
[pid  6165] setpgid(0, 0 <unfinished ...>
[pid  6164] setpgid(0, 0executing program
 <unfinished ...>
[pid  6166] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6163] write(1, "executing program\n", 18 <unfinished ...>
[pid  6166] <... prctl resumed>)        = 0
[pid  6163] <... write resumed>)        = 18
[pid  6166] setpgid(0, 0 <unfinished ...>
[pid  6165] <... setpgid resumed>)      = 0
[pid  6164] <... setpgid resumed>)      = 0
[pid  6162] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6166] <... setpgid resumed>)      = 0
[pid  6165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6163] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6162] <... bpf resumed>)          = 5
[pid  6166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6164] <... openat resumed>)       = 3
[pid  6166] <... openat resumed>)       = 3
[pid  6165] <... openat resumed>)       = 3
[pid  6164] write(3, "1000", 4 <unfinished ...>
[pid  6163] <... bpf resumed>)          = 3
[pid  6162] close(3 <unfinished ...>
[pid  6166] write(3, "1000", 4 <unfinished ...>
[pid  6165] write(3, "1000", 4 <unfinished ...>
[pid  6164] <... write resumed>)        = 4
[pid  6163] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6162] <... close resumed>)        = 0
[pid  6166] <... write resumed>)        = 4
[pid  6165] <... write resumed>)        = 4
[pid  6164] close(3 <unfinished ...>
[pid  6162] close(4 <unfinished ...>
[pid  6165] close(3 <unfinished ...>
[pid  6164] <... close resumed>)        = 0
[pid  6163] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6162] <... close resumed>)        = 0
[pid  6166] close(3 <unfinished ...>
[pid  6165] <... close resumed>)        = 0
[pid  6164] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6166] <... close resumed>)        = 0
[pid  6165] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6164] <... symlink resumed>)      = 0
[pid  6163] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6162] close(5 <unfinished ...>
[pid  6166] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6165] <... symlink resumed>)      = 0
[pid  6164] write(1, "executing program\n", 18 <unfinished ...>
[pid  6163] <... bpf resumed>)          = 4
[pid  6162] <... close resumed>)        = 0
executing program
[pid  6166] <... symlink resumed>)      = 0
[pid  6165] write(1, "executing program\n", 18 <unfinished ...>
[pid  6164] <... write resumed>)        = 18
executing program
[pid  6165] <... write resumed>)        = 18
[pid  6164] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program
 <unfinished ...>
[pid  6166] write(1, "executing program\n", 18 <unfinished ...>
[pid  6165] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6164] <... bpf resumed>)          = 3
[pid  6163] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6162] close(6 <unfinished ...>
[pid  6166] <... write resumed>)        = 18
[pid  6165] <... bpf resumed>)          = 3
[pid  6164] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6163] <... bpf resumed>)          = 5
[pid  6166] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6165] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6162] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] <... bpf resumed>)          = 3
[pid  6164] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6163] close(3 <unfinished ...>
[pid  6162] close(7 <unfinished ...>
[pid  6166] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6165] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6164] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6163] <... close resumed>)        = 0
[pid  6162] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6165] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6164] <... bpf resumed>)          = 4
[pid  6162] close(8 <unfinished ...>
[pid  6166] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6165] <... bpf resumed>)          = 4
[pid  6163] close(4 <unfinished ...>
[pid  6166] <... bpf resumed>)          = 4
[pid  6162] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6164] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6163] <... close resumed>)        = 0
[pid  6162] close(9 <unfinished ...>
[pid  6163] close(5 <unfinished ...>
[pid  6162] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6165] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6164] <... bpf resumed>)          = 5
[pid  6163] <... close resumed>)        = 0
[pid  6162] close(10 <unfinished ...>
[pid  6166] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6165] <... bpf resumed>)          = 5
[pid  6162] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6162] close(11 <unfinished ...>
[pid  6166] <... bpf resumed>)          = 5
[pid  6162] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] close(3 <unfinished ...>
[pid  6162] close(12 <unfinished ...>
[pid  6166] <... close resumed>)        = 0
[pid  6164] close(3 <unfinished ...>
[pid  6163] close(6 <unfinished ...>
[pid  6162] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] close(4 <unfinished ...>
[pid  6165] close(3 <unfinished ...>
[pid  6164] <... close resumed>)        = 0
[pid  6163] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6162] close(13 <unfinished ...>
[pid  6166] <... close resumed>)        = 0
[pid  6165] <... close resumed>)        = 0
[pid  6164] close(4 <unfinished ...>
[pid  6163] close(7 <unfinished ...>
[pid  6162] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] close(5 <unfinished ...>
[pid  6165] close(4 <unfinished ...>
[pid  6164] <... close resumed>)        = 0
[pid  6163] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6162] close(14 <unfinished ...>
[pid  6166] <... close resumed>)        = 0
[pid  6165] <... close resumed>)        = 0
[pid  6164] close(5 <unfinished ...>
[pid  6163] close(8 <unfinished ...>
[pid  6162] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] close(6 <unfinished ...>
[pid  6165] close(5 <unfinished ...>
[pid  6164] <... close resumed>)        = 0
[pid  6163] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6162] close(15 <unfinished ...>
[pid  6166] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6165] <... close resumed>)        = 0
[pid  6166] close(7 <unfinished ...>
[pid  6163] close(9 <unfinished ...>
[pid  6162] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6165] close(6 <unfinished ...>
[pid  6164] close(6 <unfinished ...>
[pid  6163] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6162] close(16 <unfinished ...>
[pid  6166] close(8 <unfinished ...>
[pid  6165] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6164] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6163] close(10 <unfinished ...>
[pid  6162] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6165] close(7 <unfinished ...>
[pid  6164] close(7 <unfinished ...>
[pid  6163] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6162] close(17 <unfinished ...>
[pid  6166] close(9 <unfinished ...>
[pid  6165] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6164] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6163] close(11 <unfinished ...>
[pid  6162] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6165] close(8 <unfinished ...>
[pid  6164] close(8 <unfinished ...>
[pid  6163] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6162] close(18 <unfinished ...>
[pid  6166] close(10 <unfinished ...>
[pid  6165] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6164] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6163] close(12 <unfinished ...>
[pid  6162] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6165] close(9 <unfinished ...>
[pid  6164] close(9 <unfinished ...>
[pid  6163] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6162] close(19 <unfinished ...>
[pid  6166] close(11 <unfinished ...>
[pid  6165] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6164] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6163] close(13 <unfinished ...>
[pid  6162] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6165] close(10 <unfinished ...>
[pid  6164] close(10 <unfinished ...>
[pid  6163] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6162] close(20 <unfinished ...>
[pid  6166] close(12 <unfinished ...>
[pid  6165] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6164] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6163] close(14 <unfinished ...>
[pid  6162] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6165] close(11 <unfinished ...>
[pid  6166] close(13 <unfinished ...>
[pid  6164] close(11 <unfinished ...>
[pid  6163] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6162] close(21 <unfinished ...>
[pid  6166] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6165] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6164] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6163] close(15 <unfinished ...>
[pid  6162] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] close(14 <unfinished ...>
[pid  6165] close(12 <unfinished ...>
[pid  6164] close(12 <unfinished ...>
[pid  6163] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6162] close(22 <unfinished ...>
[pid  6166] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6165] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6164] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6163] close(16 <unfinished ...>
[pid  6162] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] close(15 <unfinished ...>
[pid  6165] close(13 <unfinished ...>
[pid  6164] close(13 <unfinished ...>
[pid  6166] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6165] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6164] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6163] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6162] close(23 <unfinished ...>
[pid  6166] close(16 <unfinished ...>
[pid  6165] close(14 <unfinished ...>
[pid  6164] close(14 <unfinished ...>
[pid  6163] close(17 <unfinished ...>
[pid  6162] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6165] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6164] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6163] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6162] close(24 <unfinished ...>
[pid  6166] close(17 <unfinished ...>
[pid  6165] close(15 <unfinished ...>
[pid  6164] close(15 <unfinished ...>
[pid  6163] close(18 <unfinished ...>
[pid  6162] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6165] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] close(18 <unfinished ...>
[pid  6165] close(16 <unfinished ...>
[pid  6164] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6163] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6162] close(25 <unfinished ...>
[pid  6166] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6165] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6164] close(16 <unfinished ...>
[pid  6163] close(19 <unfinished ...>
[pid  6162] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] close(19 <unfinished ...>
[pid  6165] close(17 <unfinished ...>
[pid  6164] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6163] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6162] close(26 <unfinished ...>
[pid  6166] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6165] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6164] close(17 <unfinished ...>
[pid  6163] close(20 <unfinished ...>
[pid  6166] close(20 <unfinished ...>
[pid  6165] close(18 <unfinished ...>
[pid  6164] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6163] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6162] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6165] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6164] close(18 <unfinished ...>
[pid  6163] close(21 <unfinished ...>
[pid  6162] close(27 <unfinished ...>
[pid  6166] close(21 <unfinished ...>
[pid  6165] close(19 <unfinished ...>
[pid  6164] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6163] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6162] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6165] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6164] close(19 <unfinished ...>
[pid  6163] close(22 <unfinished ...>
[pid  6162] close(28 <unfinished ...>
[pid  6166] close(22 <unfinished ...>
[pid  6165] close(20 <unfinished ...>
[pid  6164] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6163] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6162] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6165] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6164] close(20 <unfinished ...>
[pid  6163] close(23 <unfinished ...>
[pid  6162] close(29 <unfinished ...>
[pid  6166] close(23 <unfinished ...>
[pid  6165] close(21 <unfinished ...>
[pid  6164] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6163] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6162] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6165] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6164] close(21 <unfinished ...>
[pid  6163] close(24 <unfinished ...>
[pid  6162] exit_group(0 <unfinished ...>
[pid  6166] close(24 <unfinished ...>
[pid  6165] close(22 <unfinished ...>
[pid  6164] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6163] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6165] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6164] close(22 <unfinished ...>
[pid  6163] close(25 <unfinished ...>
[pid  6162] <... exit_group resumed>)   = ?
[pid  6166] close(25 <unfinished ...>
[pid  6165] close(23 <unfinished ...>
[pid  6164] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6163] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6162] +++ exited with 0 +++
[pid  6166] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6165] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6164] close(23 <unfinished ...>
[pid  6163] close(26 <unfinished ...>
[pid  6166] close(26 <unfinished ...>
[pid  6165] close(24 <unfinished ...>
[pid  6164] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6163] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6165] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6164] close(24 <unfinished ...>
[pid  6163] close(27 <unfinished ...>
[pid  6166] close(27 <unfinished ...>
[pid  6165] close(25 <unfinished ...>
[pid  6164] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6163] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6165] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6164] close(25 <unfinished ...>
[pid  6163] close(28 <unfinished ...>
[pid  6166] close(28 <unfinished ...>
[pid  6165] close(26 <unfinished ...>
[pid  6164] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6165] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6164] close(26 <unfinished ...>
[pid  6163] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6166] close(29 <unfinished ...>
[pid  6165] close(27 <unfinished ...>
[pid  6164] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6163] close(29 <unfinished ...>
[pid  6166] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6165] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6164] close(27 <unfinished ...>
[pid  6163] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=61, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6166] exit_group(0 <unfinished ...>
[pid  6165] close(28 <unfinished ...>
[pid  6164] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6163] exit_group(0 <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6165] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6164] close(28 <unfinished ...>
[pid  6166] <... exit_group resumed>)   = ?
[pid  6165] close(29 <unfinished ...>
[pid  6164] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6163] <... exit_group resumed>)   = ?
[pid  6166] +++ exited with 0 +++
[pid  6165] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6164] close(29 <unfinished ...>
[pid  6163] +++ exited with 0 +++
[pid  6165] exit_group(0 <unfinished ...>
[pid  6164] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6165] <... exit_group resumed>)   = ?
[pid  6164] exit_group(0 <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=61, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6165] +++ exited with 0 +++
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6164] <... exit_group resumed>)   = ?
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6164] +++ exited with 0 +++
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5856] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... openat resumed>)       = 3
[pid  5857] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5853] <... openat resumed>)       = 3
[pid  5857] <... openat resumed>)       = 3
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] newfstatat(AT_FDCWD, "./60/binderfs",  <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./59/binderfs",  <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./58/binderfs",  <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] newfstatat(AT_FDCWD, "./60/binderfs",  <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] newfstatat(AT_FDCWD, "./59/binderfs",  <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] unlink("./60/binderfs" <unfinished ...>
[pid  5855] unlink("./59/binderfs" <unfinished ...>
[pid  5854] unlink("./58/binderfs" <unfinished ...>
[pid  5857] unlink("./60/binderfs" <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5853] unlink("./59/binderfs" <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] close(3 <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5856] close(3 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] <... close resumed>)        = 0
[pid  5855] rmdir("./59" <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5853] close(3 <unfinished ...>
[pid  5857] rmdir("./60" <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] rmdir("./58" <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] rmdir("./60" <unfinished ...>
[pid  5853] rmdir("./59" <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  5857] mkdir("./61", 0777 <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5855] mkdir("./60", 0777 <unfinished ...>
[pid  5854] mkdir("./59", 0777 <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] mkdir("./61", 0777 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5853] mkdir("./60", 0777 <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6168 attached
 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6169 attached
./strace-static-x86_64: Process 6167 attached
 <unfinished ...>
[pid  6168] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
./strace-static-x86_64: Process 6170 attached
[pid  6169] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6168] <... set_robust_list resumed>) = 0
[pid  6167] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 63
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 63
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 62
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 61
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6170] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6169] <... set_robust_list resumed>) = 0
[pid  6168] chdir("./59" <unfinished ...>
[pid  6167] <... set_robust_list resumed>) = 0
[pid  6167] chdir("./60" <unfinished ...>
[pid  6169] chdir("./61" <unfinished ...>
[pid  6170] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 6171 attached
[pid  6169] <... chdir resumed>)        = 0
[pid  6168] <... chdir resumed>)        = 0
[pid  6167] <... chdir resumed>)        = 0
[pid  6169] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6167] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6170] chdir("./61" <unfinished ...>
[pid  6169] <... prctl resumed>)        = 0
[pid  6167] <... prctl resumed>)        = 0
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 62
[pid  6170] <... chdir resumed>)        = 0
[pid  6169] setpgid(0, 0 <unfinished ...>
[pid  6167] setpgid(0, 0 <unfinished ...>
[pid  6170] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6169] <... setpgid resumed>)      = 0
[pid  6167] <... setpgid resumed>)      = 0
[pid  6171] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6170] <... prctl resumed>)        = 0
[pid  6169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6168] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6171] <... set_robust_list resumed>) = 0
[pid  6170] setpgid(0, 0 <unfinished ...>
[pid  6169] <... openat resumed>)       = 3
[pid  6168] <... prctl resumed>)        = 0
[pid  6167] <... openat resumed>)       = 3
[pid  6170] <... setpgid resumed>)      = 0
[pid  6171] chdir("./60" <unfinished ...>
[pid  6170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6168] setpgid(0, 0 <unfinished ...>
[pid  6171] <... chdir resumed>)        = 0
[pid  6170] <... openat resumed>)       = 3
[pid  6169] write(3, "1000", 4 <unfinished ...>
[pid  6168] <... setpgid resumed>)      = 0
[pid  6167] write(3, "1000", 4 <unfinished ...>
[pid  6171] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6170] write(3, "1000", 4)         = 4
[pid  6170] close(3 <unfinished ...>
[pid  6168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6171] <... prctl resumed>)        = 0
[pid  6170] <... close resumed>)        = 0
[pid  6169] <... write resumed>)        = 4
[pid  6167] <... write resumed>)        = 4
[pid  6170] symlink("/dev/binderfs", "./binderfs") = 0
[pid  6170] write(1, "executing program\n", 18 <unfinished ...>
[pid  6171] setpgid(0, 0 <unfinished ...>
[pid  6169] close(3 <unfinished ...>
[pid  6168] <... openat resumed>)       = 3
[pid  6167] close(3executing program
 <unfinished ...>
[pid  6171] <... setpgid resumed>)      = 0
[pid  6169] <... close resumed>)        = 0
[pid  6167] <... close resumed>)        = 0
[pid  6170] <... write resumed>)        = 18
[pid  6168] write(3, "1000", 4 <unfinished ...>
[pid  6171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6170] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6169] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6168] <... write resumed>)        = 4
[pid  6167] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6170] <... bpf resumed>)          = 3
[pid  6168] close(3 <unfinished ...>
[pid  6170] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6168] <... close resumed>)        = 0
[pid  6167] <... symlink resumed>)      = 0
executing program
[pid  6171] <... openat resumed>)       = 3
[pid  6170] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6169] <... symlink resumed>)      = 0
[pid  6168] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6167] write(1, "executing program\n", 18 <unfinished ...>
[pid  6170] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
executing program
[pid  6169] write(1, "executing program\n", 18 <unfinished ...>
[pid  6168] <... symlink resumed>)      = 0
[pid  6167] <... write resumed>)        = 18
[pid  6171] write(3, "1000", 4 <unfinished ...>
[pid  6169] <... write resumed>)        = 18
[pid  6167] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6171] <... write resumed>)        = 4
[pid  6170] <... bpf resumed>)          = 4
[pid  6169] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6168] write(1, "executing program\n", 18 <unfinished ...>
[pid  6171] close(3 <unfinished ...>
[pid  6170] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6167] <... bpf resumed>)          = 3
[pid  6169] <... bpf resumed>)          = 3
executing program
[pid  6169] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6171] <... close resumed>)        = 0
[pid  6168] <... write resumed>)        = 18
[pid  6170] <... bpf resumed>)          = 5
[pid  6169] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6167] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6171] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6170] close(3 <unfinished ...>
[pid  6168] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6171] <... symlink resumed>)      = 0
[pid  6170] <... close resumed>)        = 0
[pid  6167] <... bpf resumed>)          = -1 EFAULT (Bad address)
executing program
[pid  6171] write(1, "executing program\n", 18 <unfinished ...>
[pid  6168] <... bpf resumed>)          = 3
[pid  6171] <... write resumed>)        = 18
[pid  6170] close(4 <unfinished ...>
[pid  6171] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6170] <... close resumed>)        = 0
[pid  6169] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6168] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6167] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6171] <... bpf resumed>)          = 3
[pid  6170] close(5 <unfinished ...>
[pid  6171] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6169] <... bpf resumed>)          = 4
[pid  6168] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6170] <... close resumed>)        = 0
[pid  6171] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6168] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6167] <... bpf resumed>)          = 4
[pid  6169] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6171] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6170] close(6 <unfinished ...>
[pid  6168] <... bpf resumed>)          = 4
[pid  6167] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6170] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] <... bpf resumed>)          = 4
[pid  6169] <... bpf resumed>)          = 5
[pid  6168] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6170] close(7 <unfinished ...>
[pid  6168] <... bpf resumed>)          = 5
[pid  6167] <... bpf resumed>)          = 5
[pid  6171] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6170] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6169] close(3 <unfinished ...>
[pid  6168] close(3 <unfinished ...>
[pid  6167] close(3 <unfinished ...>
[pid  6171] <... bpf resumed>)          = 5
[pid  6169] <... close resumed>)        = 0
[pid  6168] <... close resumed>)        = 0
[pid  6171] close(3 <unfinished ...>
[pid  6169] close(4 <unfinished ...>
[pid  6168] close(4 <unfinished ...>
[pid  6167] <... close resumed>)        = 0
[pid  6171] <... close resumed>)        = 0
[pid  6169] <... close resumed>)        = 0
[pid  6168] <... close resumed>)        = 0
[pid  6167] close(4 <unfinished ...>
[pid  6171] close(4 <unfinished ...>
[pid  6169] close(5 <unfinished ...>
[pid  6168] close(5 <unfinished ...>
[pid  6171] <... close resumed>)        = 0
[pid  6167] <... close resumed>)        = 0
[pid  6169] <... close resumed>)        = 0
[pid  6168] <... close resumed>)        = 0
[pid  6171] close(5 <unfinished ...>
[pid  6169] close(6 <unfinished ...>
[pid  6167] close(5 <unfinished ...>
[pid  6168] close(6 <unfinished ...>
[pid  6171] <... close resumed>)        = 0
[pid  6170] close(8 <unfinished ...>
[pid  6169] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] close(6 <unfinished ...>
[pid  6170] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6169] close(7 <unfinished ...>
[pid  6168] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6167] <... close resumed>)        = 0
[pid  6171] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6170] close(9 <unfinished ...>
[pid  6169] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6168] close(7 <unfinished ...>
[pid  6167] close(6 <unfinished ...>
[pid  6171] close(7 <unfinished ...>
[pid  6170] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6169] close(8 <unfinished ...>
[pid  6168] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6167] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6170] close(10 <unfinished ...>
[pid  6169] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6168] close(8 <unfinished ...>
[pid  6167] close(7 <unfinished ...>
[pid  6170] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] close(8 <unfinished ...>
[pid  6170] close(11 <unfinished ...>
[pid  6169] close(9 <unfinished ...>
[pid  6168] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6167] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6170] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6169] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6168] close(9 <unfinished ...>
[pid  6167] close(8 <unfinished ...>
[pid  6171] close(9 <unfinished ...>
[pid  6170] close(12 <unfinished ...>
[pid  6169] close(10 <unfinished ...>
[pid  6168] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6167] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6170] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6169] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6168] close(10 <unfinished ...>
[pid  6167] close(9 <unfinished ...>
[pid  6171] close(10 <unfinished ...>
[pid  6170] close(13 <unfinished ...>
[pid  6169] close(11 <unfinished ...>
[pid  6168] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6167] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6170] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6169] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6168] close(11 <unfinished ...>
[pid  6167] close(10 <unfinished ...>
[pid  6171] close(11 <unfinished ...>
[pid  6170] close(14 <unfinished ...>
[pid  6169] close(12 <unfinished ...>
[pid  6168] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6169] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6168] close(12 <unfinished ...>
[pid  6167] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] close(12 <unfinished ...>
[pid  6170] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6169] close(13 <unfinished ...>
[pid  6168] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6167] close(11 <unfinished ...>
[pid  6171] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6170] close(15 <unfinished ...>
[pid  6169] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6168] close(13 <unfinished ...>
[pid  6167] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] close(13 <unfinished ...>
[pid  6170] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6169] close(14 <unfinished ...>
[pid  6168] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6167] close(12 <unfinished ...>
[pid  6171] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6170] close(16 <unfinished ...>
[pid  6169] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6168] close(14 <unfinished ...>
[pid  6167] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6170] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] close(14 <unfinished ...>
[pid  6169] close(15 <unfinished ...>
[pid  6168] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6167] close(13 <unfinished ...>
[pid  6171] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6170] close(17 <unfinished ...>
[pid  6169] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6168] close(15 <unfinished ...>
[pid  6167] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] close(15 <unfinished ...>
[pid  6169] close(16 <unfinished ...>
[pid  6168] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6167] close(14 <unfinished ...>
[pid  6171] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6170] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6169] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6168] close(16 <unfinished ...>
[pid  6167] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] close(16 <unfinished ...>
[pid  6170] close(18 <unfinished ...>
[pid  6169] close(17 <unfinished ...>
[pid  6168] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6167] close(15 <unfinished ...>
[pid  6171] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6170] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6169] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6168] close(17 <unfinished ...>
[pid  6167] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] close(17 <unfinished ...>
[pid  6170] close(19 <unfinished ...>
[pid  6169] close(18 <unfinished ...>
[pid  6168] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6167] close(16 <unfinished ...>
[pid  6171] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6170] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6169] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6168] close(18 <unfinished ...>
[pid  6171] close(18 <unfinished ...>
[pid  6170] close(20 <unfinished ...>
[pid  6169] close(19 <unfinished ...>
[pid  6167] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6170] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6170] close(21 <unfinished ...>
[pid  6169] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6168] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6167] close(17 <unfinished ...>
[pid  6171] close(19 <unfinished ...>
[pid  6170] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6169] close(20 <unfinished ...>
[pid  6168] close(19 <unfinished ...>
[pid  6167] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6170] close(22 <unfinished ...>
[pid  6169] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6168] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6167] close(18 <unfinished ...>
[pid  6171] close(20 <unfinished ...>
[pid  6170] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6169] close(21 <unfinished ...>
[pid  6168] close(20 <unfinished ...>
[pid  6167] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6170] close(23 <unfinished ...>
[pid  6169] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6168] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6167] close(19 <unfinished ...>
[pid  6171] close(21 <unfinished ...>
[pid  6170] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6169] close(22 <unfinished ...>
[pid  6168] close(21 <unfinished ...>
[pid  6167] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6170] close(24 <unfinished ...>
[pid  6169] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6168] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6167] close(20 <unfinished ...>
[pid  6171] close(22 <unfinished ...>
[pid  6170] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6169] close(23 <unfinished ...>
[pid  6168] close(22 <unfinished ...>
[pid  6167] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6170] close(25 <unfinished ...>
[pid  6169] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6168] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6167] close(21 <unfinished ...>
[pid  6171] close(23 <unfinished ...>
[pid  6170] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6169] close(24 <unfinished ...>
[pid  6171] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6170] close(26 <unfinished ...>
[pid  6169] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6168] close(23 <unfinished ...>
[pid  6167] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] close(24 <unfinished ...>
[pid  6170] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6169] close(25 <unfinished ...>
[pid  6168] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6167] close(22 <unfinished ...>
[pid  6171] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6169] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6168] close(24 <unfinished ...>
[pid  6167] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] close(25 <unfinished ...>
[pid  6170] close(27 <unfinished ...>
[pid  6169] close(26 <unfinished ...>
[pid  6168] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6167] close(23 <unfinished ...>
[pid  6171] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6170] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6169] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] close(26 <unfinished ...>
[pid  6170] close(28 <unfinished ...>
[pid  6169] close(27 <unfinished ...>
[pid  6168] close(25 <unfinished ...>
[pid  6167] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6170] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6169] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6168] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6167] close(24 <unfinished ...>
[pid  6171] close(27 <unfinished ...>
[pid  6170] close(29 <unfinished ...>
[pid  6169] close(28 <unfinished ...>
[pid  6168] close(26 <unfinished ...>
[pid  6167] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6170] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] close(28 <unfinished ...>
[pid  6169] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6168] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6167] close(25 <unfinished ...>
[pid  6171] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6170] exit_group(0 <unfinished ...>
[pid  6169] close(29 <unfinished ...>
[pid  6168] close(27 <unfinished ...>
[pid  6167] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] close(29 <unfinished ...>
[pid  6170] <... exit_group resumed>)   = ?
[pid  6169] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6168] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6167] close(26 <unfinished ...>
[pid  6171] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6169] exit_group(0 <unfinished ...>
[pid  6168] close(28 <unfinished ...>
[pid  6167] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6171] exit_group(0)               = ?
[pid  6169] <... exit_group resumed>)   = ?
[pid  6168] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6167] close(27 <unfinished ...>
[pid  6170] +++ exited with 0 +++
[pid  6171] +++ exited with 0 +++
[pid  6168] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  6169] +++ exited with 0 +++
[pid  6168] exit_group(0 <unfinished ...>
[pid  6167] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6167] close(28 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6168] <... exit_group resumed>)   = ?
[pid  6167] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6168] +++ exited with 0 +++
[pid  6167] close(29 <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6167] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=61, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6167] exit_group(0 <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6167] <... exit_group resumed>)   = ?
[pid  6167] +++ exited with 0 +++
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5855] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5856] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... openat resumed>)       = 3
[pid  5853] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5856] <... openat resumed>)       = 3
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5856] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] newfstatat(AT_FDCWD, "./61/binderfs",  <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./60/binderfs",  <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5856] unlink("./61/binderfs" <unfinished ...>
[pid  5855] unlink("./60/binderfs" <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./60/binderfs",  <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] unlink("./60/binderfs" <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] close(3 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... unlink resumed>)       = 0
[pid  5857] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5854] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... close resumed>)        = 0
[pid  5855] rmdir("./60" <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] newfstatat(AT_FDCWD, "./61/binderfs",  <unfinished ...>
[pid  5856] rmdir("./61" <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./59/binderfs",  <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] <... rmdir resumed>)        = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... close resumed>)        = 0
[pid  5857] unlink("./61/binderfs" <unfinished ...>
[pid  5856] mkdir("./62", 0777 <unfinished ...>
[pid  5855] mkdir("./61", 0777 <unfinished ...>
[pid  5853] rmdir("./60" <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] unlink("./59/binderfs" <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  5857] <... unlink resumed>)       = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] mkdir("./61", 0777 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] close(3)                    = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] rmdir("./59" <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6174 attached
./strace-static-x86_64: Process 6173 attached
./strace-static-x86_64: Process 6172 attached
 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  6174] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6173] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6172] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5854] <... rmdir resumed>)        = 0
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 63
[pid  6174] <... set_robust_list resumed>) = 0
[pid  6173] <... set_robust_list resumed>) = 0
[pid  6172] <... set_robust_list resumed>) = 0
[pid  5857] rmdir("./61" <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 64
[pid  5854] mkdir("./60", 0777 <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 63
[pid  6174] chdir("./61" <unfinished ...>
[pid  6173] chdir("./62" <unfinished ...>
[pid  6172] chdir("./61" <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  6174] <... chdir resumed>)        = 0
[pid  6173] <... chdir resumed>)        = 0
[pid  6172] <... chdir resumed>)        = 0
[pid  5857] mkdir("./62", 0777 <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6174] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6173] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6172] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
./strace-static-x86_64: Process 6175 attached
[pid  6174] <... prctl resumed>)        = 0
[pid  6173] <... prctl resumed>)        = 0
[pid  6172] <... prctl resumed>)        = 0
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6175] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6174] setpgid(0, 0./strace-static-x86_64: Process 6176 attached
 <unfinished ...>
[pid  6175] <... set_robust_list resumed>) = 0
[pid  6174] <... setpgid resumed>)      = 0
[pid  6173] setpgid(0, 0 <unfinished ...>
[pid  6172] setpgid(0, 0 <unfinished ...>
[pid  6175] chdir("./60" <unfinished ...>
[pid  6172] <... setpgid resumed>)      = 0
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 62
[pid  6174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6173] <... setpgid resumed>)      = 0
[pid  6172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6176] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6175] <... chdir resumed>)        = 0
[pid  6174] <... openat resumed>)       = 3
[pid  6173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6172] <... openat resumed>)       = 3
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 64
[pid  6176] <... set_robust_list resumed>) = 0
[pid  6175] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6174] write(3, "1000", 4 <unfinished ...>
[pid  6173] <... openat resumed>)       = 3
[pid  6172] write(3, "1000", 4 <unfinished ...>
[pid  6176] chdir("./62" <unfinished ...>
[pid  6175] <... prctl resumed>)        = 0
[pid  6174] <... write resumed>)        = 4
[pid  6173] write(3, "1000", 4 <unfinished ...>
[pid  6172] <... write resumed>)        = 4
[pid  6173] <... write resumed>)        = 4
[pid  6172] close(3 <unfinished ...>
[pid  6173] close(3 <unfinished ...>
[pid  6172] <... close resumed>)        = 0
[pid  6173] <... close resumed>)        = 0
[pid  6172] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6173] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6172] <... symlink resumed>)      = 0
[pid  6175] setpgid(0, 0 <unfinished ...>
[pid  6176] <... chdir resumed>)        = 0
[pid  6174] close(3 <unfinished ...>
[pid  6175] <... setpgid resumed>)      = 0
[pid  6173] <... symlink resumed>)      = 0
[pid  6176] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6174] <... close resumed>)        = 0
[pid  6172] write(1, "executing program\n", 18executing program
executing program
 <unfinished ...>
[pid  6176] <... prctl resumed>)        = 0
[pid  6175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6174] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6173] write(1, "executing program\n", 18 <unfinished ...>
[pid  6172] <... write resumed>)        = 18
[pid  6176] setpgid(0, 0)               = 0
[pid  6175] <... openat resumed>)       = 3
[pid  6174] <... symlink resumed>)      = 0
[pid  6173] <... write resumed>)        = 18
[pid  6172] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program
 <unfinished ...>
[pid  6176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6175] write(3, "1000", 4 <unfinished ...>
[pid  6174] write(1, "executing program\n", 18 <unfinished ...>
[pid  6173] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6172] <... bpf resumed>)          = 3
[pid  6176] <... openat resumed>)       = 3
[pid  6175] <... write resumed>)        = 4
[pid  6174] <... write resumed>)        = 18
[pid  6173] <... bpf resumed>)          = 3
[pid  6172] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6176] write(3, "1000", 4 <unfinished ...>
[pid  6175] close(3 <unfinished ...>
[pid  6174] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6173] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6176] <... write resumed>)        = 4
[pid  6175] <... close resumed>)        = 0
[pid  6174] <... bpf resumed>)          = 3
[pid  6176] close(3 <unfinished ...>
[pid  6175] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6176] <... close resumed>)        = 0
[pid  6174] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6173] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6172] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6176] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6175] <... symlink resumed>)      = 0
[pid  6174] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6173] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6172] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6176] <... symlink resumed>)      = 0
[pid  6175] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6174] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6173] <... bpf resumed>)          = 4
[pid  6172] <... bpf resumed>)          = 4
[pid  6175] <... write resumed>)        = 18
[pid  6172] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6176] write(1, "executing program\n", 18 <unfinished ...>
[pid  6174] <... bpf resumed>)          = 4
executing program
[pid  6176] <... write resumed>)        = 18
[pid  6175] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6174] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6173] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6172] <... bpf resumed>)          = 5
[pid  6176] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6175] <... bpf resumed>)          = 3
[pid  6174] <... bpf resumed>)          = 5
[pid  6173] <... bpf resumed>)          = 5
[pid  6176] <... bpf resumed>)          = 3
[pid  6175] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6172] close(3 <unfinished ...>
[pid  6176] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6174] close(3 <unfinished ...>
[pid  6173] close(3 <unfinished ...>
[pid  6172] <... close resumed>)        = 0
[pid  6175] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6176] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6174] <... close resumed>)        = 0
[pid  6173] <... close resumed>)        = 0
[pid  6172] close(4 <unfinished ...>
[pid  6176] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6174] close(4 <unfinished ...>
[pid  6173] close(4 <unfinished ...>
[pid  6172] <... close resumed>)        = 0
[pid  6175] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6173] <... close resumed>)        = 0
[pid  6172] close(5 <unfinished ...>
[pid  6176] <... bpf resumed>)          = 4
[pid  6174] <... close resumed>)        = 0
[pid  6173] close(5 <unfinished ...>
[pid  6172] <... close resumed>)        = 0
[pid  6175] <... bpf resumed>)          = 4
[pid  6172] close(6)                    = -1 EBADF (Bad file descriptor)
[pid  6172] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  6173] <... close resumed>)        = 0
[pid  6172] close(8 <unfinished ...>
[pid  6173] close(6 <unfinished ...>
[pid  6172] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6173] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6172] close(9 <unfinished ...>
[pid  6173] close(7 <unfinished ...>
[pid  6172] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6173] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6172] close(10 <unfinished ...>
[pid  6173] close(8 <unfinished ...>
[pid  6172] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6173] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6172] close(11 <unfinished ...>
[pid  6173] close(9 <unfinished ...>
[pid  6172] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6173] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6172] close(12 <unfinished ...>
[pid  6176] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6175] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6174] close(5 <unfinished ...>
[pid  6173] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  6172] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6176] <... bpf resumed>)          = 5
[pid  6173] close(11 <unfinished ...>
[pid  6172] close(13 <unfinished ...>
[pid  6173] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6172] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6173] close(12 <unfinished ...>
[pid  6172] close(14 <unfinished ...>
[pid  6174] <... close resumed>)        = 0
[pid  6173] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6172] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6176] close(3 <unfinished ...>
[pid  6175] <... bpf resumed>)          = 5
[pid  6174] close(6 <unfinished ...>
[pid  6173] close(13 <unfinished ...>
[pid  6172] close(15 <unfinished ...>
[pid  6176] <... close resumed>)        = 0
[pid  6175] close(3 <unfinished ...>
[pid  6174] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6173] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6172] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6176] close(4 <unfinished ...>
[pid  6175] <... close resumed>)        = 0
[pid  6174] close(7 <unfinished ...>
[pid  6173] close(14 <unfinished ...>
[pid  6172] close(16 <unfinished ...>
[pid  6175] close(4 <unfinished ...>
[pid  6174] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6173] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6172] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6176] <... close resumed>)        = 0
[pid  6175] <... close resumed>)        = 0
[pid  6174] close(8 <unfinished ...>
[pid  6173] close(15 <unfinished ...>
[pid  6172] close(17 <unfinished ...>
[pid  6176] close(5 <unfinished ...>
[pid  6175] close(5 <unfinished ...>
[pid  6174] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6173] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6172] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6174] close(9 <unfinished ...>
[pid  6173] close(16 <unfinished ...>
[pid  6172] close(18 <unfinished ...>
[pid  6174] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6173] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6174] close(10 <unfinished ...>
[pid  6173] close(17 <unfinished ...>
[pid  6172] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6174] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6173] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6172] close(19 <unfinished ...>
[pid  6176] <... close resumed>)        = 0
[pid  6175] <... close resumed>)        = 0
[pid  6174] close(11 <unfinished ...>
[pid  6173] close(18 <unfinished ...>
[pid  6172] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6176] close(6 <unfinished ...>
[pid  6175] close(6 <unfinished ...>
[pid  6174] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6173] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6172] close(20 <unfinished ...>
[pid  6176] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6175] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6174] close(12 <unfinished ...>
[pid  6173] close(19 <unfinished ...>
[pid  6172] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6175] close(7 <unfinished ...>
[pid  6174] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6173] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6172] close(21 <unfinished ...>
[pid  6176] close(7 <unfinished ...>
[pid  6175] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6174] close(13 <unfinished ...>
[pid  6176] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6175] close(8 <unfinished ...>
[pid  6174] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6176] close(8 <unfinished ...>
[pid  6175] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6174] close(14 <unfinished ...>
[pid  6176] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6175] close(9 <unfinished ...>
[pid  6174] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6173] close(20 <unfinished ...>
[pid  6172] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6176] close(9 <unfinished ...>
[pid  6175] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6174] close(15 <unfinished ...>
[pid  6173] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6172] close(22 <unfinished ...>
[pid  6176] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6175] close(10 <unfinished ...>
[pid  6174] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6173] close(21 <unfinished ...>
[pid  6172] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6176] close(10 <unfinished ...>
[pid  6175] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6174] close(16 <unfinished ...>
[pid  6173] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6172] close(23 <unfinished ...>
[pid  6176] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6175] close(11 <unfinished ...>
[pid  6174] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6173] close(22 <unfinished ...>
[pid  6172] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6176] close(11 <unfinished ...>
[pid  6175] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6174] close(17 <unfinished ...>
[pid  6173] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6172] close(24 <unfinished ...>
[pid  6176] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6175] close(12 <unfinished ...>
[pid  6174] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6173] close(23 <unfinished ...>
[pid  6172] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6176] close(12 <unfinished ...>
[pid  6175] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6174] close(18 <unfinished ...>
[pid  6173] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6172] close(25 <unfinished ...>
[pid  6176] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6175] close(13 <unfinished ...>
[pid  6174] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6173] close(24 <unfinished ...>
[pid  6172] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6176] close(13 <unfinished ...>
[pid  6175] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6174] close(19 <unfinished ...>
[pid  6173] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6172] close(26 <unfinished ...>
[pid  6176] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6175] close(14 <unfinished ...>
[pid  6174] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6173] close(25 <unfinished ...>
[pid  6172] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6176] close(14 <unfinished ...>
[pid  6175] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6174] close(20 <unfinished ...>
[pid  6173] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6172] close(27 <unfinished ...>
[pid  6176] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6175] close(15 <unfinished ...>
[pid  6174] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6173] close(26 <unfinished ...>
[pid  6172] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6176] close(15 <unfinished ...>
[pid  6175] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6174] close(21 <unfinished ...>
[pid  6173] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6172] close(28 <unfinished ...>
[pid  6176] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6175] close(16 <unfinished ...>
[pid  6174] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6173] close(27 <unfinished ...>
[pid  6172] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6176] close(16 <unfinished ...>
[pid  6175] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6174] close(22 <unfinished ...>
[pid  6173] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6172] close(29 <unfinished ...>
[pid  6176] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6175] close(17 <unfinished ...>
[pid  6174] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6173] close(28 <unfinished ...>
[pid  6172] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6176] close(17 <unfinished ...>
[pid  6175] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6174] close(23 <unfinished ...>
[pid  6173] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6172] exit_group(0 <unfinished ...>
[pid  6176] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6175] close(18 <unfinished ...>
[pid  6174] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6173] close(29 <unfinished ...>
[pid  6176] close(18 <unfinished ...>
[pid  6173] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6172] <... exit_group resumed>)   = ?
[pid  6176] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6175] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6174] close(24 <unfinished ...>
[pid  6173] exit_group(0 <unfinished ...>
[pid  6172] +++ exited with 0 +++
[pid  6176] close(19 <unfinished ...>
[pid  6175] close(19 <unfinished ...>
[pid  6174] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6176] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6175] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6174] close(25 <unfinished ...>
[pid  6176] close(20 <unfinished ...>
[pid  6175] close(20 <unfinished ...>
[pid  6174] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6176] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6176] close(21 <unfinished ...>
[pid  6175] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6174] close(26 <unfinished ...>
[pid  6173] <... exit_group resumed>)   = ?
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6176] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6175] close(21 <unfinished ...>
[pid  6174] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6173] +++ exited with 0 +++
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6176] close(22 <unfinished ...>
[pid  6175] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6174] close(27 <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6176] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6175] close(22 <unfinished ...>
[pid  6174] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6176] close(23 <unfinished ...>
[pid  6175] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6174] close(28 <unfinished ...>
[pid  6176] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6175] close(23 <unfinished ...>
[pid  6174] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6176] close(24 <unfinished ...>
[pid  6175] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6174] close(29 <unfinished ...>
[pid  6176] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6175] close(24 <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5853] <... restart_syscall resumed>) = 0
[pid  6174] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6176] close(25 <unfinished ...>
[pid  6175] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6176] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6175] close(25 <unfinished ...>
[pid  6174] exit_group(0 <unfinished ...>
[pid  6176] close(26 <unfinished ...>
[pid  6175] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6174] <... exit_group resumed>)   = ?
[pid  5853] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6176] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6175] close(26 <unfinished ...>
[pid  5856] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6176] close(27 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  6175] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... openat resumed>)       = 3
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6176] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6175] close(27 <unfinished ...>
[pid  6174] +++ exited with 0 +++
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6176] close(28 <unfinished ...>
[pid  6175] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6176] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6175] close(28 <unfinished ...>
[pid  5856] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6176] close(29 <unfinished ...>
[pid  6175] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6176] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6175] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6176] exit_group(0 <unfinished ...>
[pid  6175] exit_group(0 <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./62/binderfs",  <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6175] <... exit_group resumed>)   = ?
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] newfstatat(AT_FDCWD, "./61/binderfs",  <unfinished ...>
[pid  5856] unlink("./62/binderfs" <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  5853] unlink("./61/binderfs" <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] close(3)                    = 0
[pid  6176] <... exit_group resumed>)   = ?
[pid  6175] +++ exited with 0 +++
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6176] +++ exited with 0 +++
[pid  5856] rmdir("./62" <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... rmdir resumed>)        = 0
[pid  5853] close(3 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] <... close resumed>)        = 0
[pid  5857] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] mkdir("./63", 0777 <unfinished ...>
[pid  5855] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] rmdir("./61" <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  5857] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] mkdir("./62", 0777./strace-static-x86_64: Process 6177 attached
 <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  6177] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6177] <... set_robust_list resumed>) = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] <... openat resumed>)       = 3
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6177] chdir("./63" <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 65
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] newfstatat(3, "", ./strace-static-x86_64: Process 6178 attached
 <unfinished ...>
[pid  6177] <... chdir resumed>)        = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 64
[pid  6178] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6177] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6178] <... set_robust_list resumed>) = 0
[pid  6177] <... prctl resumed>)        = 0
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./61/binderfs",  <unfinished ...>
[pid  6178] chdir("./62" <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./62/binderfs",  <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6177] setpgid(0, 0 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] unlink("./62/binderfs" <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6178] <... chdir resumed>)        = 0
[pid  6177] <... setpgid resumed>)      = 0
[pid  5857] <... unlink resumed>)       = 0
[pid  5855] unlink("./61/binderfs" <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./60/binderfs",  <unfinished ...>
[pid  6178] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6178] <... prctl resumed>)        = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] <... unlink resumed>)       = 0
[pid  6178] setpgid(0, 0 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] unlink("./60/binderfs" <unfinished ...>
[pid  6178] <... setpgid resumed>)      = 0
[pid  6177] <... openat resumed>)       = 3
[pid  5857] <... close resumed>)        = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  6178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5857] rmdir("./62" <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] mkdir("./63", 0777 <unfinished ...>
[pid  6177] write(3, "1000", 4 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5855] rmdir("./61" <unfinished ...>
[pid  5854] close(3)                    = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  6178] <... openat resumed>)       = 3
[pid  6177] <... write resumed>)        = 4
[pid  6178] write(3, "1000", 4 <unfinished ...>
[pid  5855] mkdir("./62", 0777 <unfinished ...>
[pid  6177] close(3 <unfinished ...>
[pid  6178] <... write resumed>)        = 4
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] rmdir("./60"./strace-static-x86_64: Process 6179 attached
 <unfinished ...>
[pid  6178] close(3 <unfinished ...>
[pid  6177] <... close resumed>)        = 0
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  6178] <... close resumed>)        = 0
[pid  6177] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5854] mkdir("./61", 0777 <unfinished ...>
[pid  6177] <... symlink resumed>)      = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6180 attached
executing program
 <unfinished ...>
[pid  6179] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6178] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6177] write(1, "executing program\n", 18 <unfinished ...>
[pid  6179] <... set_robust_list resumed>) = 0
[pid  6178] <... symlink resumed>)      = 0
[pid  6177] <... write resumed>)        = 18
[pid  6180] set_robust_list(0x555562c7b660, 24executing program
 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 65
./strace-static-x86_64: Process 6181 attached
[pid  6180] <... set_robust_list resumed>) = 0
[pid  6179] chdir("./63" <unfinished ...>
[pid  6178] write(1, "executing program\n", 18 <unfinished ...>
[pid  6177] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 64
[pid  6181] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6180] chdir("./62" <unfinished ...>
[pid  6179] <... chdir resumed>)        = 0
[pid  6178] <... write resumed>)        = 18
[pid  6177] <... bpf resumed>)          = 3
[pid  6181] <... set_robust_list resumed>) = 0
[pid  6179] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6178] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6181] chdir("./61" <unfinished ...>
[pid  6180] <... chdir resumed>)        = 0
[pid  6179] <... prctl resumed>)        = 0
[pid  6177] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 63
[pid  6181] <... chdir resumed>)        = 0
[pid  6180] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6179] setpgid(0, 0 <unfinished ...>
[pid  6178] <... bpf resumed>)          = 3
[pid  6177] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6181] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6180] <... prctl resumed>)        = 0
[pid  6179] <... setpgid resumed>)      = 0
[pid  6178] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6177] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6181] <... prctl resumed>)        = 0
[pid  6180] setpgid(0, 0 <unfinished ...>
[pid  6179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6178] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6180] <... setpgid resumed>)      = 0
[pid  6180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6177] <... bpf resumed>)          = 4
[pid  6181] setpgid(0, 0 <unfinished ...>
[pid  6180] <... openat resumed>)       = 3
[pid  6179] <... openat resumed>)       = 3
[pid  6178] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6177] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6181] <... setpgid resumed>)      = 0
[pid  6180] write(3, "1000", 4 <unfinished ...>
[pid  6179] write(3, "1000", 4 <unfinished ...>
[pid  6181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6180] <... write resumed>)        = 4
[pid  6179] <... write resumed>)        = 4
[pid  6178] <... bpf resumed>)          = 4
[pid  6177] <... bpf resumed>)          = 5
[pid  6181] <... openat resumed>)       = 3
[pid  6180] close(3 <unfinished ...>
[pid  6179] close(3 <unfinished ...>
[pid  6178] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6177] close(3 <unfinished ...>
[pid  6180] <... close resumed>)        = 0
[pid  6179] <... close resumed>)        = 0
[pid  6181] write(3, "1000", 4 <unfinished ...>
[pid  6180] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6179] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6177] <... close resumed>)        = 0
[pid  6181] <... write resumed>)        = 4
[pid  6180] <... symlink resumed>)      = 0
[pid  6179] <... symlink resumed>)      = 0
[pid  6178] <... bpf resumed>)          = 5
[pid  6181] close(3 <unfinished ...>
[pid  6177] close(4 <unfinished ...>
[pid  6181] <... close resumed>)        = 0
[pid  6181] symlink("/dev/binderfs", "./binderfs"executing program
 <unfinished ...>
[pid  6180] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  6179] write(1, "executing program\n", 18 <unfinished ...>
[pid  6181] <... symlink resumed>)      = 0
[pid  6180] <... write resumed>)        = 18
[pid  6179] <... write resumed>)        = 18
[pid  6178] close(3 <unfinished ...>
[pid  6177] <... close resumed>)        = 0
executing program
[pid  6181] write(1, "executing program\n", 18 <unfinished ...>
[pid  6180] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6179] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6178] <... close resumed>)        = 0
[pid  6177] close(5 <unfinished ...>
[pid  6181] <... write resumed>)        = 18
[pid  6180] <... bpf resumed>)          = 3
[pid  6181] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6180] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6179] <... bpf resumed>)          = 3
[pid  6178] close(4 <unfinished ...>
[pid  6177] <... close resumed>)        = 0
[pid  6181] <... bpf resumed>)          = 3
[pid  6180] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6178] <... close resumed>)        = 0
[pid  6177] close(6 <unfinished ...>
[pid  6181] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6180] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6179] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6178] close(5 <unfinished ...>
[pid  6177] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6181] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6180] <... bpf resumed>)          = 4
[pid  6179] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6178] <... close resumed>)        = 0
[pid  6177] close(7 <unfinished ...>
[pid  6181] <... bpf resumed>)          = 4
[pid  6179] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6181] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6180] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6179] <... bpf resumed>)          = 4
[pid  6178] close(6 <unfinished ...>
[pid  6177] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] <... bpf resumed>)          = 5
[pid  6180] <... bpf resumed>)          = 5
[pid  6178] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6177] close(8 <unfinished ...>
[pid  6181] close(3 <unfinished ...>
[pid  6180] close(3 <unfinished ...>
[pid  6179] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6178] close(7 <unfinished ...>
[pid  6177] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] <... close resumed>)        = 0
[pid  6180] <... close resumed>)        = 0
[pid  6179] <... bpf resumed>)          = 5
[pid  6178] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6177] close(9 <unfinished ...>
[pid  6181] close(4 <unfinished ...>
[pid  6180] close(4 <unfinished ...>
[pid  6179] close(3 <unfinished ...>
[pid  6178] close(8 <unfinished ...>
[pid  6177] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] <... close resumed>)        = 0
[pid  6180] <... close resumed>)        = 0
[pid  6179] <... close resumed>)        = 0
[pid  6178] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6177] close(10 <unfinished ...>
[pid  6181] close(5 <unfinished ...>
[pid  6180] close(5 <unfinished ...>
[pid  6179] close(4 <unfinished ...>
[pid  6178] close(9 <unfinished ...>
[pid  6177] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] <... close resumed>)        = 0
[pid  6180] <... close resumed>)        = 0
[pid  6179] <... close resumed>)        = 0
[pid  6178] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6177] close(11 <unfinished ...>
[pid  6181] close(6 <unfinished ...>
[pid  6178] close(10 <unfinished ...>
[pid  6177] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6179] close(5 <unfinished ...>
[pid  6181] close(7 <unfinished ...>
[pid  6180] close(6 <unfinished ...>
[pid  6179] <... close resumed>)        = 0
[pid  6178] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6177] close(12 <unfinished ...>
[pid  6181] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6180] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6178] close(11 <unfinished ...>
[pid  6177] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6178] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6177] close(13 <unfinished ...>
[pid  6178] close(12 <unfinished ...>
[pid  6177] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6180] close(7 <unfinished ...>
[pid  6178] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6177] close(14 <unfinished ...>
[pid  6178] close(13 <unfinished ...>
[pid  6177] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6178] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6177] close(15 <unfinished ...>
[pid  6178] close(14 <unfinished ...>
[pid  6177] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6178] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6177] close(16 <unfinished ...>
[pid  6181] close(8 <unfinished ...>
[pid  6180] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6179] close(6 <unfinished ...>
[pid  6178] close(15 <unfinished ...>
[pid  6177] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6180] close(8 <unfinished ...>
[pid  6179] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6177] close(17 <unfinished ...>
[pid  6181] close(9 <unfinished ...>
[pid  6180] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6179] close(7 <unfinished ...>
[pid  6178] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6177] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6180] close(9 <unfinished ...>
[pid  6179] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6178] close(16 <unfinished ...>
[pid  6177] close(18 <unfinished ...>
[pid  6181] close(10 <unfinished ...>
[pid  6180] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6179] close(8 <unfinished ...>
[pid  6181] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6180] close(10 <unfinished ...>
[pid  6179] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6178] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6177] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] close(11 <unfinished ...>
[pid  6180] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6179] close(9 <unfinished ...>
[pid  6178] close(17 <unfinished ...>
[pid  6177] close(19 <unfinished ...>
[pid  6181] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6180] close(11 <unfinished ...>
[pid  6179] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6178] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6177] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] close(12 <unfinished ...>
[pid  6180] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6179] close(10 <unfinished ...>
[pid  6178] close(18 <unfinished ...>
[pid  6177] close(20 <unfinished ...>
[pid  6181] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6180] close(12 <unfinished ...>
[pid  6179] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6178] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6177] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] close(13 <unfinished ...>
[pid  6180] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6179] close(11 <unfinished ...>
[pid  6178] close(19 <unfinished ...>
[pid  6177] close(21 <unfinished ...>
[pid  6181] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6180] close(13 <unfinished ...>
[pid  6179] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6178] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6177] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] close(14 <unfinished ...>
[pid  6180] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6179] close(12 <unfinished ...>
[pid  6178] close(20 <unfinished ...>
[pid  6177] close(22 <unfinished ...>
[pid  6181] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6180] close(14 <unfinished ...>
[pid  6179] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6178] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6177] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] close(15 <unfinished ...>
[pid  6180] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6179] close(13 <unfinished ...>
[pid  6177] close(23 <unfinished ...>
[pid  6181] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6180] close(15 <unfinished ...>
[pid  6179] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6178] close(21 <unfinished ...>
[pid  6177] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] close(16 <unfinished ...>
[pid  6180] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6179] close(14 <unfinished ...>
[pid  6178] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6177] close(24 <unfinished ...>
[pid  6181] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6180] close(16 <unfinished ...>
[pid  6179] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6178] close(22 <unfinished ...>
[pid  6177] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] close(17 <unfinished ...>
[pid  6180] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6179] close(15 <unfinished ...>
[pid  6178] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6177] close(25 <unfinished ...>
[pid  6181] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6180] close(17 <unfinished ...>
[pid  6179] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6178] close(23 <unfinished ...>
[pid  6177] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] close(18 <unfinished ...>
[pid  6180] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6177] close(26 <unfinished ...>
[pid  6181] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6180] close(18 <unfinished ...>
[pid  6179] close(16 <unfinished ...>
[pid  6178] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] close(19 <unfinished ...>
[pid  6180] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6179] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6178] close(24 <unfinished ...>
[pid  6181] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6180] close(19 <unfinished ...>
[pid  6179] close(17 <unfinished ...>
[pid  6178] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] close(20 <unfinished ...>
[pid  6180] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6179] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6178] close(25 <unfinished ...>
[pid  6181] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6180] close(20 <unfinished ...>
[pid  6179] close(18 <unfinished ...>
[pid  6178] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] close(21 <unfinished ...>
[pid  6180] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6179] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6178] close(26 <unfinished ...>
[pid  6177] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6180] close(21 <unfinished ...>
[pid  6179] close(19 <unfinished ...>
[pid  6178] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6177] close(27 <unfinished ...>
[pid  6181] close(22 <unfinished ...>
[pid  6177] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6180] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6179] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6178] close(27 <unfinished ...>
[pid  6177] close(28 <unfinished ...>
[pid  6181] close(23 <unfinished ...>
[pid  6180] close(22 <unfinished ...>
[pid  6179] close(20 <unfinished ...>
[pid  6178] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6177] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6180] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6179] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6178] close(28 <unfinished ...>
[pid  6181] close(24 <unfinished ...>
[pid  6180] close(23 <unfinished ...>
[pid  6179] close(21 <unfinished ...>
[pid  6178] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6177] close(29 <unfinished ...>
[pid  6181] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6180] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6179] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6178] close(29 <unfinished ...>
[pid  6177] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] close(25 <unfinished ...>
[pid  6180] close(24 <unfinished ...>
[pid  6179] close(22 <unfinished ...>
[pid  6178] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6180] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6179] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6178] exit_group(0 <unfinished ...>
[pid  6177] exit_group(0 <unfinished ...>
[pid  6181] close(26 <unfinished ...>
[pid  6180] close(25 <unfinished ...>
[pid  6179] close(23 <unfinished ...>
[pid  6177] <... exit_group resumed>)   = ?
[pid  6181] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6180] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6179] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6178] <... exit_group resumed>)   = ?
[pid  6181] close(27 <unfinished ...>
[pid  6180] close(26 <unfinished ...>
[pid  6179] close(24 <unfinished ...>
[pid  6178] +++ exited with 0 +++
[pid  6177] +++ exited with 0 +++
[pid  6181] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6179] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6180] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] close(28 <unfinished ...>
[pid  6180] close(27 <unfinished ...>
[pid  6179] close(25 <unfinished ...>
[pid  6181] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6180] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6179] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] close(29 <unfinished ...>
[pid  6180] close(28 <unfinished ...>
[pid  6179] close(26 <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6181] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6180] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6179] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] exit_group(0 <unfinished ...>
[pid  6180] close(29 <unfinished ...>
[pid  6179] close(27 <unfinished ...>
[pid  6180] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6179] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6181] <... exit_group resumed>)   = ?
[pid  5856] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6180] exit_group(0 <unfinished ...>
[pid  6179] close(28 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  6181] +++ exited with 0 +++
[pid  6180] <... exit_group resumed>)   = ?
[pid  6179] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6179] close(29 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5854] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6180] +++ exited with 0 +++
[pid  6179] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] newfstatat(AT_FDCWD, "./63/binderfs",  <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6179] exit_group(0 <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6179] <... exit_group resumed>)   = ?
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... openat resumed>)       = 3
[pid  5856] unlink("./63/binderfs" <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  6179] +++ exited with 0 +++
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] <... openat resumed>)       = 3
[pid  5853] newfstatat(AT_FDCWD, "./62/binderfs",  <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] <... close resumed>)        = 0
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5853] unlink("./62/binderfs" <unfinished ...>
[pid  5856] rmdir("./63" <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5853] getdents64(3, 0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] close(3 <unfinished ...>
[pid  5857] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... close resumed>)        = 0
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] newfstatat(AT_FDCWD, "./61/binderfs",  <unfinished ...>
[pid  5853] rmdir("./62" <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] mkdir("./64", 0777 <unfinished ...>
[pid  5855] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... rmdir resumed>)        = 0
[pid  5857] <... openat resumed>)       = 3
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./62/binderfs",  <unfinished ...>
[pid  5854] unlink("./61/binderfs" <unfinished ...>
[pid  5853] mkdir("./63", 0777./strace-static-x86_64: Process 6182 attached
 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  6182] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 66
[pid  6182] <... set_robust_list resumed>) = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] unlink("./62/binderfs" <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6182] chdir("./64" <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6182] <... chdir resumed>)        = 0
[pid  5857] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 6183 attached
[pid  6182] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  6183] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6182] <... prctl resumed>)        = 0
[pid  5857] newfstatat(AT_FDCWD, "./63/binderfs",  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] rmdir("./61" <unfinished ...>
[pid  6183] <... set_robust_list resumed>) = 0
[pid  6182] setpgid(0, 0 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] close(3 <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 65
[pid  6182] <... setpgid resumed>)      = 0
[pid  6182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6183] chdir("./63" <unfinished ...>
[pid  5857] unlink("./63/binderfs" <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5854] <... rmdir resumed>)        = 0
[pid  6183] <... chdir resumed>)        = 0
[pid  6182] write(3, "1000", 4 <unfinished ...>
[pid  6183] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6182] <... write resumed>)        = 4
[pid  6183] <... prctl resumed>)        = 0
[pid  6182] close(3 <unfinished ...>
[pid  6183] setpgid(0, 0 <unfinished ...>
[pid  6182] <... close resumed>)        = 0
[pid  6182] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6183] <... setpgid resumed>)      = 0
executing program
[pid  6182] <... symlink resumed>)      = 0
[pid  5857] <... unlink resumed>)       = 0
[pid  5855] rmdir("./62" <unfinished ...>
[pid  5854] mkdir("./62", 0777 <unfinished ...>
[pid  6183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6182] write(1, "executing program\n", 18 <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  6182] <... write resumed>)        = 18
[pid  6183] <... openat resumed>)       = 3
[pid  6182] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6183] write(3, "1000", 4 <unfinished ...>
[pid  6182] <... bpf resumed>)          = 3
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] mkdir("./63", 0777 <unfinished ...>
[pid  6183] <... write resumed>)        = 4
[pid  6182] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6183] close(3)                    = 0
[pid  6182] <... bpf resumed>)          = -1 EFAULT (Bad address)
./strace-static-x86_64: Process 6184 attached
[pid  6183] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] <... mkdir resumed>)        = 0
[pid  5857] close(3 <unfinished ...>
[pid  6183] <... symlink resumed>)      = 0
[pid  5857] <... close resumed>)        = 0
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6184] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 64
[pid  6183] write(1, "executing program\n", 18 <unfinished ...>
[pid  6182] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5857] rmdir("./63"executing program
./strace-static-x86_64: Process 6185 attached
 <unfinished ...>
[pid  6184] <... set_robust_list resumed>) = 0
[pid  6183] <... write resumed>)        = 18
[pid  5857] <... rmdir resumed>)        = 0
[pid  6185] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6182] <... bpf resumed>)          = 4
[pid  5857] mkdir("./64", 0777 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 65
[pid  6185] <... set_robust_list resumed>) = 0
[pid  5857] <... mkdir resumed>)        = 0
[pid  6185] chdir("./63" <unfinished ...>
[pid  6183] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6185] <... chdir resumed>)        = 0
[pid  6184] chdir("./62" <unfinished ...>
[pid  6183] <... bpf resumed>)          = 3
[pid  6182] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6185] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6184] <... chdir resumed>)        = 0
[pid  6183] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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 6186 attached
 <unfinished ...>
[pid  6185] <... prctl resumed>)        = 0
[pid  6184] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6182] <... bpf resumed>)          = 5
[pid  6186] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6184] <... prctl resumed>)        = 0
[pid  6183] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6186] <... set_robust_list resumed>) = 0
[pid  6184] setpgid(0, 0 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 66
[pid  6186] chdir("./64" <unfinished ...>
[pid  6185] setpgid(0, 0 <unfinished ...>
[pid  6184] <... setpgid resumed>)      = 0
[pid  6183] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6182] close(3 <unfinished ...>
[pid  6185] <... setpgid resumed>)      = 0
[pid  6184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6186] <... chdir resumed>)        = 0
[pid  6186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6182] <... close resumed>)        = 0
[pid  6186] setpgid(0, 0)               = 0
[pid  6186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6183] <... bpf resumed>)          = 4
[pid  6186] <... openat resumed>)       = 3
[pid  6186] write(3, "1000", 4 <unfinished ...>
[pid  6185] <... openat resumed>)       = 3
[pid  6184] <... openat resumed>)       = 3
[pid  6183] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6182] close(4 <unfinished ...>
[pid  6186] <... write resumed>)        = 4
[pid  6185] write(3, "1000", 4 <unfinished ...>
[pid  6182] <... close resumed>)        = 0
[pid  6186] close(3 <unfinished ...>
[pid  6185] <... write resumed>)        = 4
[pid  6184] write(3, "1000", 4 <unfinished ...>
[pid  6182] close(5 <unfinished ...>
[pid  6186] <... close resumed>)        = 0
[pid  6185] close(3 <unfinished ...>
[pid  6184] <... write resumed>)        = 4
[pid  6183] <... bpf resumed>)          = 5
[pid  6186] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6185] <... close resumed>)        = 0
[pid  6184] close(3 <unfinished ...>
[pid  6182] <... close resumed>)        = 0
[pid  6184] <... close resumed>)        = 0
[pid  6183] close(3 <unfinished ...>
[pid  6182] close(6 <unfinished ...>
[pid  6186] <... symlink resumed>)      = 0
[pid  6185] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6184] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6183] <... close resumed>)        = 0
[pid  6182] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6184] <... symlink resumed>)      = 0
[pid  6183] close(4 <unfinished ...>
[pid  6182] close(7 <unfinished ...>
[pid  6186] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6185] <... symlink resumed>)      = 0
[pid  6182] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] <... write resumed>)        = 18
executing program
[pid  6184] write(1, "executing program\n", 18 <unfinished ...>
[pid  6183] <... close resumed>)        = 0
[pid  6182] close(8 <unfinished ...>
[pid  6184] <... write resumed>)        = 18
[pid  6183] close(5 <unfinished ...>
[pid  6182] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program
 <unfinished ...>
[pid  6185] write(1, "executing program\n", 18 <unfinished ...>
[pid  6184] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6182] close(9 <unfinished ...>
[pid  6186] <... bpf resumed>)          = 3
[pid  6185] <... write resumed>)        = 18
[pid  6183] <... close resumed>)        = 0
[pid  6185] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6184] <... bpf resumed>)          = 3
[pid  6182] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6183] close(6 <unfinished ...>
[pid  6182] close(10 <unfinished ...>
[pid  6184] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6183] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6182] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6185] <... bpf resumed>)          = 3
[pid  6184] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6183] close(7 <unfinished ...>
[pid  6182] close(11 <unfinished ...>
[pid  6185] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6186] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6185] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6184] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6183] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6182] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6185] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6186] <... bpf resumed>)          = 4
[pid  6185] <... bpf resumed>)          = 4
[pid  6184] <... bpf resumed>)          = 4
[pid  6183] close(8 <unfinished ...>
[pid  6182] close(12 <unfinished ...>
[pid  6185] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6182] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6183] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6185] <... bpf resumed>)          = 5
[pid  6186] <... bpf resumed>)          = 5
[pid  6184] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6183] close(9 <unfinished ...>
[pid  6182] close(13 <unfinished ...>
[pid  6185] close(3 <unfinished ...>
[pid  6184] <... bpf resumed>)          = 5
[pid  6183] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] close(3 <unfinished ...>
[pid  6182] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] <... close resumed>)        = 0
[pid  6185] <... close resumed>)        = 0
[pid  6184] close(3 <unfinished ...>
[pid  6183] close(10 <unfinished ...>
[pid  6182] close(14 <unfinished ...>
[pid  6186] close(4 <unfinished ...>
[pid  6185] close(4 <unfinished ...>
[pid  6184] <... close resumed>)        = 0
[pid  6183] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6182] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] <... close resumed>)        = 0
[pid  6185] <... close resumed>)        = 0
[pid  6184] close(4 <unfinished ...>
[pid  6183] close(11 <unfinished ...>
[pid  6182] close(15 <unfinished ...>
[pid  6186] close(5 <unfinished ...>
[pid  6185] close(5 <unfinished ...>
[pid  6184] <... close resumed>)        = 0
[pid  6183] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6182] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] <... close resumed>)        = 0
[pid  6186] close(6 <unfinished ...>
[pid  6185] <... close resumed>)        = 0
[pid  6184] close(5 <unfinished ...>
[pid  6183] close(12 <unfinished ...>
[pid  6182] close(16 <unfinished ...>
[pid  6186] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] close(7 <unfinished ...>
[pid  6183] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] close(8 <unfinished ...>
[pid  6182] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] close(9 <unfinished ...>
[pid  6185] close(6 <unfinished ...>
[pid  6184] <... close resumed>)        = 0
[pid  6183] close(13 <unfinished ...>
[pid  6182] close(17 <unfinished ...>
[pid  6186] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6185] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  6182] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6183] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6182] close(18 <unfinished ...>
[pid  6185] close(7 <unfinished ...>
[pid  6183] close(14 <unfinished ...>
[pid  6182] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6185] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6184] close(6 <unfinished ...>
[pid  6183] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6182] close(19 <unfinished ...>
[pid  6185] close(8 <unfinished ...>
[pid  6184] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6183] close(15 <unfinished ...>
[pid  6182] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] close(11 <unfinished ...>
[pid  6185] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6184] close(7 <unfinished ...>
[pid  6183] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6182] close(20 <unfinished ...>
[pid  6186] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6185] close(9 <unfinished ...>
[pid  6184] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6183] close(16 <unfinished ...>
[pid  6182] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] close(12 <unfinished ...>
[pid  6185] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6184] close(8 <unfinished ...>
[pid  6183] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6182] close(21 <unfinished ...>
[pid  6186] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6185] close(10 <unfinished ...>
[pid  6184] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6183] close(17 <unfinished ...>
[pid  6182] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] close(13 <unfinished ...>
[pid  6185] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6184] close(9 <unfinished ...>
[pid  6183] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6182] close(22 <unfinished ...>
[pid  6186] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6185] close(11 <unfinished ...>
[pid  6184] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6183] close(18 <unfinished ...>
[pid  6182] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] close(14 <unfinished ...>
[pid  6185] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6184] close(10 <unfinished ...>
[pid  6183] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6182] close(23 <unfinished ...>
[pid  6186] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6185] close(12 <unfinished ...>
[pid  6184] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6183] close(19 <unfinished ...>
[pid  6182] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] close(15 <unfinished ...>
[pid  6185] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6184] close(11 <unfinished ...>
[pid  6183] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6182] close(24 <unfinished ...>
[pid  6186] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6185] close(13 <unfinished ...>
[pid  6184] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6183] close(20 <unfinished ...>
[pid  6182] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] close(16 <unfinished ...>
[pid  6185] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6184] close(12 <unfinished ...>
[pid  6183] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6182] close(25 <unfinished ...>
[pid  6186] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6185] close(14 <unfinished ...>
[pid  6184] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6183] close(21 <unfinished ...>
[pid  6182] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] close(17 <unfinished ...>
[pid  6185] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6184] close(13 <unfinished ...>
[pid  6183] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6182] close(26 <unfinished ...>
[pid  6186] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6185] close(15 <unfinished ...>
[pid  6184] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6183] close(22 <unfinished ...>
[pid  6186] close(18 <unfinished ...>
[pid  6185] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6182] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6185] close(16 <unfinished ...>
[pid  6184] close(14 <unfinished ...>
[pid  6183] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6182] close(27 <unfinished ...>
[pid  6186] close(19 <unfinished ...>
[pid  6185] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6184] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6183] close(23 <unfinished ...>
[pid  6182] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6185] close(17 <unfinished ...>
[pid  6184] close(15 <unfinished ...>
[pid  6183] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6182] close(28 <unfinished ...>
[pid  6186] close(20 <unfinished ...>
[pid  6185] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6184] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6183] close(24 <unfinished ...>
[pid  6182] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6185] close(18 <unfinished ...>
[pid  6184] close(16 <unfinished ...>
[pid  6183] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  6185] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6184] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6183] close(25 <unfinished ...>
[pid  6182] close(29 <unfinished ...>
[pid  6186] close(22 <unfinished ...>
[pid  6185] close(19 <unfinished ...>
[pid  6184] close(17 <unfinished ...>
[pid  6183] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6182] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6185] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6184] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6183] close(26 <unfinished ...>
[pid  6182] exit_group(0 <unfinished ...>
[pid  6186] close(23 <unfinished ...>
[pid  6185] close(20 <unfinished ...>
[pid  6184] close(18 <unfinished ...>
[pid  6183] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6185] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6184] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6183] close(27 <unfinished ...>
[pid  6182] <... exit_group resumed>)   = ?
[pid  6186] close(24 <unfinished ...>
[pid  6185] close(21 <unfinished ...>
[pid  6184] close(19 <unfinished ...>
[pid  6183] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6182] +++ exited with 0 +++
[pid  6186] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6185] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6184] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6183] close(28 <unfinished ...>
[pid  6186] close(25 <unfinished ...>
[pid  6185] close(22 <unfinished ...>
[pid  6184] close(20 <unfinished ...>
[pid  6183] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6186] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6185] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6184] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6183] close(29 <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6186] close(26 <unfinished ...>
[pid  6185] close(23 <unfinished ...>
[pid  6184] close(21 <unfinished ...>
[pid  6183] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6186] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6185] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6184] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6183] exit_group(0 <unfinished ...>
[pid  6186] close(27 <unfinished ...>
[pid  6185] close(24 <unfinished ...>
[pid  6184] close(22 <unfinished ...>
[pid  6186] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6185] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6184] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6183] <... exit_group resumed>)   = ?
[pid  6185] close(25 <unfinished ...>
[pid  6184] close(23 <unfinished ...>
[pid  6186] close(28 <unfinished ...>
[pid  6185] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6184] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6183] +++ exited with 0 +++
[pid  6186] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6185] close(26 <unfinished ...>
[pid  6184] close(24 <unfinished ...>
[pid  6186] close(29 <unfinished ...>
[pid  6185] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6184] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6186] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6185] close(27 <unfinished ...>
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6186] exit_group(0 <unfinished ...>
[pid  6185] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6184] close(25 <unfinished ...>
[pid  6186] <... exit_group resumed>)   = ?
[pid  6185] close(28 <unfinished ...>
[pid  6184] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6185] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6184] close(26 <unfinished ...>
[pid  6185] close(29 <unfinished ...>
[pid  6184] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6185] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6184] close(27 <unfinished ...>
[pid  6185] exit_group(0 <unfinished ...>
[pid  6184] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6184] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  6185] <... exit_group resumed>)   = ?
[pid  6184] close(29 <unfinished ...>
[pid  6186] +++ exited with 0 +++
[pid  6184] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6184] exit_group(0)               = ?
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6185] +++ exited with 0 +++
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6184] +++ exited with 0 +++
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5854] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5857] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5855] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... openat resumed>)       = 3
[pid  5857] <... openat resumed>)       = 3
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./64/binderfs",  <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] newfstatat(AT_FDCWD, "./64/binderfs",  <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] newfstatat(AT_FDCWD, "./63/binderfs",  <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] newfstatat(AT_FDCWD, "./63/binderfs",  <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] unlink("./64/binderfs" <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] unlink("./64/binderfs" <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] unlink("./63/binderfs" <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] newfstatat(AT_FDCWD, "./62/binderfs",  <unfinished ...>
[pid  5853] unlink("./63/binderfs" <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] close(3 <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... close resumed>)        = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] unlink("./62/binderfs" <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5857] <... close resumed>)        = 0
[pid  5856] rmdir("./64" <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] rmdir("./64" <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5855] <... close resumed>)        = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5855] rmdir("./63" <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] mkdir("./65", 0777 <unfinished ...>
[pid  5856] mkdir("./65", 0777 <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5857] <... mkdir resumed>)        = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] close(3 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] mkdir("./64", 0777 <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5853] rmdir("./63"./strace-static-x86_64: Process 6187 attached
 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] rmdir("./62")               = 0
./strace-static-x86_64: Process 6188 attached
[pid  6187] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 67
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] mkdir("./63", 0777 <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
./strace-static-x86_64: Process 6189 attached
[pid  6188] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6187] <... set_robust_list resumed>) = 0
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 67
[pid  5854] <... mkdir resumed>)        = 0
[pid  6188] <... set_robust_list resumed>) = 0
[pid  6188] chdir("./65" <unfinished ...>
[pid  6187] chdir("./65" <unfinished ...>
[pid  5853] mkdir("./64", 0777 <unfinished ...>
[pid  6189] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6188] <... chdir resumed>)        = 0
[pid  6187] <... chdir resumed>)        = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
./strace-static-x86_64: Process 6190 attached
[pid  6189] <... set_robust_list resumed>) = 0
[pid  6188] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6187] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 66
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6187] <... prctl resumed>)        = 0
[pid  6189] chdir("./64" <unfinished ...>
[pid  6188] <... prctl resumed>)        = 0
[pid  6190] set_robust_list(0x555562c7b660, 24) = 0
[pid  6189] <... chdir resumed>)        = 0
[pid  6188] setpgid(0, 0 <unfinished ...>
[pid  6187] setpgid(0, 0./strace-static-x86_64: Process 6191 attached
 <unfinished ...>
[pid  6188] <... setpgid resumed>)      = 0
[pid  6187] <... setpgid resumed>)      = 0
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 65
[pid  6190] chdir("./63" <unfinished ...>
[pid  6189] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6191] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6190] <... chdir resumed>)        = 0
[pid  6189] <... prctl resumed>)        = 0
[pid  6187] <... openat resumed>)       = 3
[pid  6191] <... set_robust_list resumed>) = 0
[pid  6190] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6189] setpgid(0, 0 <unfinished ...>
[pid  6187] write(3, "1000", 4 <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 66
[pid  6191] chdir("./64" <unfinished ...>
[pid  6190] <... prctl resumed>)        = 0
[pid  6189] <... setpgid resumed>)      = 0
[pid  6187] <... write resumed>)        = 4
[pid  6188] <... openat resumed>)       = 3
[pid  6187] close(3)                    = 0
[pid  6191] <... chdir resumed>)        = 0
[pid  6190] setpgid(0, 0 <unfinished ...>
[pid  6189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6188] write(3, "1000", 4 <unfinished ...>
[pid  6191] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6190] <... setpgid resumed>)      = 0
[pid  6188] <... write resumed>)        = 4
[pid  6187] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6191] <... prctl resumed>)        = 0
[pid  6190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6189] <... openat resumed>)       = 3
[pid  6188] close(3 <unfinished ...>
[pid  6187] <... symlink resumed>)      = 0
[pid  6191] setpgid(0, 0 <unfinished ...>
[pid  6189] write(3, "1000", 4 <unfinished ...>
[pid  6188] <... close resumed>)        = 0
[pid  6190] <... openat resumed>)       = 3
[pid  6189] <... write resumed>)        = 4
[pid  6189] close(3)                    = 0
[pid  6189] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6191] <... setpgid resumed>)      = 0
[pid  6190] write(3, "1000", 4 <unfinished ...>
[pid  6189] <... symlink resumed>)      = 0
[pid  6188] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6187] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
 <unfinished ...>
[pid  6190] <... write resumed>)        = 4
[pid  6189] write(1, "executing program\n", 18 <unfinished ...>
[pid  6188] <... symlink resumed>)      = 0
[pid  6187] <... write resumed>)        = 18
[pid  6190] close(3 <unfinished ...>
[pid  6189] <... write resumed>)        = 18
[pid  6191] <... openat resumed>)       = 3
[pid  6190] <... close resumed>)        = 0
[pid  6189] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program
 <unfinished ...>
[pid  6188] write(1, "executing program\n", 18 <unfinished ...>
[pid  6187] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6191] write(3, "1000", 4 <unfinished ...>
[pid  6190] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6189] <... bpf resumed>)          = 3
[pid  6188] <... write resumed>)        = 18
[pid  6191] <... write resumed>)        = 4
[pid  6191] close(3 <unfinished ...>
[pid  6190] <... symlink resumed>)      = 0
[pid  6189] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6188] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6187] <... bpf resumed>)          = 3
executing program
[pid  6191] <... close resumed>)        = 0
[pid  6190] write(1, "executing program\n", 18 <unfinished ...>
[pid  6189] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6191] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6189] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6188] <... bpf resumed>)          = 3
[pid  6187] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6191] <... symlink resumed>)      = 0
[pid  6190] <... write resumed>)        = 18
[pid  6189] <... bpf resumed>)          = 4
[pid  6188] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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, ...}, 144executing program
 <unfinished ...>
[pid  6187] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6191] write(1, "executing program\n", 18 <unfinished ...>
[pid  6190] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6189] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6188] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6187] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6191] <... write resumed>)        = 18
[pid  6190] <... bpf resumed>)          = 3
[pid  6191] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6189] <... bpf resumed>)          = 5
[pid  6188] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6187] <... bpf resumed>)          = 4
[pid  6191] <... bpf resumed>)          = 3
[pid  6190] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6191] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6190] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6189] close(3 <unfinished ...>
[pid  6188] <... bpf resumed>)          = 4
[pid  6187] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6191] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6190] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6189] <... close resumed>)        = 0
[pid  6191] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6190] <... bpf resumed>)          = 4
[pid  6188] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6187] <... bpf resumed>)          = 5
[pid  6191] <... bpf resumed>)          = 4
[pid  6189] close(4 <unfinished ...>
[pid  6188] <... bpf resumed>)          = 5
[pid  6189] <... close resumed>)        = 0
[pid  6188] close(3 <unfinished ...>
[pid  6187] close(3 <unfinished ...>
[pid  6189] close(5 <unfinished ...>
[pid  6188] <... close resumed>)        = 0
[pid  6189] <... close resumed>)        = 0
[pid  6188] close(4 <unfinished ...>
[pid  6187] <... close resumed>)        = 0
[pid  6191] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6190] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6189] close(6 <unfinished ...>
[pid  6188] <... close resumed>)        = 0
[pid  6187] close(4 <unfinished ...>
[pid  6191] <... bpf resumed>)          = 5
[pid  6190] <... bpf resumed>)          = 5
[pid  6189] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6191] close(3 <unfinished ...>
[pid  6190] close(3 <unfinished ...>
[pid  6189] close(7 <unfinished ...>
[pid  6188] close(5 <unfinished ...>
[pid  6187] <... close resumed>)        = 0
[pid  6191] <... close resumed>)        = 0
[pid  6190] <... close resumed>)        = 0
[pid  6188] <... close resumed>)        = 0
[pid  6187] close(5 <unfinished ...>
[pid  6189] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6191] close(4 <unfinished ...>
[pid  6190] close(4 <unfinished ...>
[pid  6191] <... close resumed>)        = 0
[pid  6190] <... close resumed>)        = 0
[pid  6191] close(5 <unfinished ...>
[pid  6190] close(5 <unfinished ...>
[pid  6189] close(8 <unfinished ...>
[pid  6188] close(6 <unfinished ...>
[pid  6187] <... close resumed>)        = 0
[pid  6191] <... close resumed>)        = 0
[pid  6190] <... close resumed>)        = 0
[pid  6189] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6188] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6187] close(6 <unfinished ...>
[pid  6188] close(7 <unfinished ...>
[pid  6189] close(9 <unfinished ...>
[pid  6188] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6187] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6189] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6188] close(8 <unfinished ...>
[pid  6187] close(7 <unfinished ...>
[pid  6189] close(10 <unfinished ...>
[pid  6188] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6187] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6189] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6188] close(9 <unfinished ...>
[pid  6189] close(11 <unfinished ...>
[pid  6188] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6187] close(8 <unfinished ...>
[pid  6189] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6188] close(10 <unfinished ...>
[pid  6187] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6189] close(12 <unfinished ...>
[pid  6188] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6187] close(9 <unfinished ...>
[pid  6189] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6188] close(11 <unfinished ...>
[pid  6187] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6189] close(13 <unfinished ...>
[pid  6188] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6187] close(10 <unfinished ...>
[pid  6189] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6188] close(12 <unfinished ...>
[pid  6187] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6189] close(14 <unfinished ...>
[pid  6188] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6187] close(11 <unfinished ...>
[pid  6189] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6188] close(13 <unfinished ...>
[pid  6187] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6191] close(6 <unfinished ...>
[pid  6190] close(6 <unfinished ...>
[pid  6191] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6190] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6189] close(15 <unfinished ...>
[pid  6188] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6187] close(12 <unfinished ...>
[pid  6191] close(7 <unfinished ...>
[pid  6190] close(7 <unfinished ...>
[pid  6189] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6188] close(14 <unfinished ...>
[pid  6187] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6191] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6190] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6187] close(13 <unfinished ...>
[pid  6191] close(8 <unfinished ...>
[pid  6190] close(8 <unfinished ...>
[pid  6189] close(16 <unfinished ...>
[pid  6188] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6187] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6191] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6190] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6191] close(9 <unfinished ...>
[pid  6190] close(9 <unfinished ...>
[pid  6191] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6190] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6191] close(10 <unfinished ...>
[pid  6190] close(10 <unfinished ...>
[pid  6191] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6190] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6191] close(11 <unfinished ...>
[pid  6190] close(11 <unfinished ...>
[pid  6191] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6190] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6191] close(12 <unfinished ...>
[pid  6190] close(12 <unfinished ...>
[pid  6191] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6190] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6189] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6188] close(15 <unfinished ...>
[pid  6187] close(14 <unfinished ...>
[pid  6191] close(13 <unfinished ...>
[pid  6190] close(13 <unfinished ...>
[pid  6189] close(17 <unfinished ...>
[pid  6188] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6187] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6191] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6190] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6189] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6188] close(16 <unfinished ...>
[pid  6187] close(15 <unfinished ...>
[pid  6191] close(14 <unfinished ...>
[pid  6190] close(14 <unfinished ...>
[pid  6189] close(18 <unfinished ...>
[pid  6188] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6187] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6191] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6190] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6189] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6188] close(17 <unfinished ...>
[pid  6187] close(16 <unfinished ...>
[pid  6191] close(15 <unfinished ...>
[pid  6190] close(15 <unfinished ...>
[pid  6189] close(19 <unfinished ...>
[pid  6188] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6187] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6191] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6190] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6189] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6188] close(18 <unfinished ...>
[pid  6187] close(17 <unfinished ...>
[pid  6191] close(16 <unfinished ...>
[pid  6190] close(16 <unfinished ...>
[pid  6189] close(20 <unfinished ...>
[pid  6188] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6187] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6191] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6190] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6189] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6188] close(19 <unfinished ...>
[pid  6187] close(18 <unfinished ...>
[pid  6191] close(17 <unfinished ...>
[pid  6190] close(17 <unfinished ...>
[pid  6189] close(21 <unfinished ...>
[pid  6188] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6187] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6191] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6190] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6189] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6188] close(20 <unfinished ...>
[pid  6187] close(19 <unfinished ...>
[pid  6191] close(18 <unfinished ...>
[pid  6190] close(18 <unfinished ...>
[pid  6189] close(22 <unfinished ...>
[pid  6188] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6191] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6190] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6189] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6188] close(21 <unfinished ...>
[pid  6187] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6191] close(19 <unfinished ...>
[pid  6190] close(19 <unfinished ...>
[pid  6189] close(23 <unfinished ...>
[pid  6188] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6187] close(20 <unfinished ...>
[pid  6191] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6190] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6189] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6188] close(22 <unfinished ...>
[pid  6187] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6191] close(20 <unfinished ...>
[pid  6190] close(20 <unfinished ...>
[pid  6189] close(24 <unfinished ...>
[pid  6188] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6187] close(21 <unfinished ...>
[pid  6191] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6190] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6189] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6188] close(23 <unfinished ...>
[pid  6187] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6191] close(21 <unfinished ...>
[pid  6190] close(21 <unfinished ...>
[pid  6189] close(25 <unfinished ...>
[pid  6188] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6187] close(22 <unfinished ...>
[pid  6191] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6190] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6189] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6188] close(24 <unfinished ...>
[pid  6187] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6191] close(22 <unfinished ...>
[pid  6190] close(22 <unfinished ...>
[pid  6189] close(26 <unfinished ...>
[pid  6188] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6187] close(23 <unfinished ...>
[pid  6191] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6190] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6189] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6188] close(25 <unfinished ...>
[pid  6191] close(23 <unfinished ...>
[pid  6190] close(23 <unfinished ...>
[pid  6189] close(27 <unfinished ...>
[pid  6188] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6187] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6191] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6190] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6189] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6188] close(26 <unfinished ...>
[pid  6187] close(24 <unfinished ...>
[pid  6191] close(24 <unfinished ...>
[pid  6190] close(24 <unfinished ...>
[pid  6189] close(28 <unfinished ...>
[pid  6188] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6187] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6191] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6190] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6187] close(25 <unfinished ...>
[pid  6189] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6188] close(27 <unfinished ...>
[pid  6191] close(25 <unfinished ...>
[pid  6190] close(25 <unfinished ...>
[pid  6189] close(29 <unfinished ...>
[pid  6188] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6187] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6191] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6190] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6189] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6188] close(28 <unfinished ...>
[pid  6191] close(26 <unfinished ...>
[pid  6190] close(26 <unfinished ...>
[pid  6187] close(26 <unfinished ...>
[pid  6191] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6190] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6189] exit_group(0 <unfinished ...>
[pid  6188] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6187] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6191] close(27 <unfinished ...>
[pid  6190] close(27 <unfinished ...>
[pid  6188] close(29 <unfinished ...>
[pid  6187] close(27 <unfinished ...>
[pid  6191] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6190] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6189] <... exit_group resumed>)   = ?
[pid  6188] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6187] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6191] close(28 <unfinished ...>
[pid  6190] close(28 <unfinished ...>
[pid  6189] +++ exited with 0 +++
[pid  6187] close(28 <unfinished ...>
[pid  6191] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6190] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6188] exit_group(0 <unfinished ...>
[pid  6187] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6191] close(29 <unfinished ...>
[pid  6190] close(29 <unfinished ...>
[pid  6187] close(29 <unfinished ...>
[pid  6191] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6190] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6191] exit_group(0 <unfinished ...>
[pid  6190] exit_group(0 <unfinished ...>
[pid  6188] <... exit_group resumed>)   = ?
[pid  6187] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6190] <... exit_group resumed>)   = ?
[pid  6191] <... exit_group resumed>)   = ?
[pid  6190] +++ exited with 0 +++
[pid  6188] +++ exited with 0 +++
[pid  6187] exit_group(0 <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6191] +++ exited with 0 +++
[pid  6187] <... exit_group resumed>)   = ?
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6187] +++ exited with 0 +++
[pid  5854] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... openat resumed>)       = 3
[pid  5856] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5853] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] newfstatat(AT_FDCWD, "./64/binderfs",  <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./65/binderfs",  <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] unlink("./64/binderfs" <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] newfstatat(AT_FDCWD, "./64/binderfs",  <unfinished ...>
[pid  5857] unlink("./65/binderfs" <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] newfstatat(AT_FDCWD, "./65/binderfs",  <unfinished ...>
[pid  5854] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... unlink resumed>)       = 0
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] unlink("./65/binderfs" <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./63/binderfs",  <unfinished ...>
[pid  5853] unlink("./64/binderfs" <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] unlink("./63/binderfs" <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] <... close resumed>)        = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] <... close resumed>)        = 0
[pid  5856] close(3 <unfinished ...>
[pid  5855] rmdir("./64" <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5857] rmdir("./65" <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] <... close resumed>)        = 0
[pid  5853] <... close resumed>)        = 0
[pid  5857] <... rmdir resumed>)        = 0
[pid  5855] mkdir("./65", 0777 <unfinished ...>
[pid  5853] rmdir("./64" <unfinished ...>
[pid  5857] mkdir("./66", 0777 <unfinished ...>
[pid  5856] rmdir("./65" <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] rmdir("./63" <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] <... rmdir resumed>)        = 0
[pid  5853] <... rmdir resumed>)        = 0
./strace-static-x86_64: Process 6192 attached
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 67
[pid  5854] <... rmdir resumed>)        = 0
[pid  6192] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] mkdir("./66", 0777 <unfinished ...>
[pid  5854] mkdir("./64", 0777 <unfinished ...>
[pid  5853] mkdir("./65", 0777 <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  6192] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 6193 attached
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6193] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6192] chdir("./65" <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 68
./strace-static-x86_64: Process 6196 attached
./strace-static-x86_64: Process 6195 attached
./strace-static-x86_64: Process 6194 attached
[pid  6193] <... set_robust_list resumed>) = 0
[pid  6192] <... chdir resumed>)        = 0
[pid  6196] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6195] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6194] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6193] chdir("./66" <unfinished ...>
[pid  6192] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6193] <... chdir resumed>)        = 0
[pid  6192] <... prctl resumed>)        = 0
[pid  6193] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6195] <... set_robust_list resumed>) = 0
[pid  6194] <... set_robust_list resumed>) = 0
[pid  6193] <... prctl resumed>)        = 0
[pid  6192] setpgid(0, 0 <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 67
[pid  6196] <... set_robust_list resumed>) = 0
[pid  6195] chdir("./64" <unfinished ...>
[pid  6194] chdir("./66" <unfinished ...>
[pid  6193] setpgid(0, 0 <unfinished ...>
[pid  6192] <... setpgid resumed>)      = 0
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 68
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 66
[pid  6196] chdir("./65" <unfinished ...>
[pid  6195] <... chdir resumed>)        = 0
[pid  6194] <... chdir resumed>)        = 0
[pid  6193] <... setpgid resumed>)      = 0
[pid  6192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6195] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6194] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6195] <... prctl resumed>)        = 0
[pid  6194] <... prctl resumed>)        = 0
[pid  6193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6195] setpgid(0, 0 <unfinished ...>
[pid  6194] setpgid(0, 0 <unfinished ...>
[pid  6196] <... chdir resumed>)        = 0
[pid  6192] <... openat resumed>)       = 3
[pid  6196] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6195] <... setpgid resumed>)      = 0
[pid  6194] <... setpgid resumed>)      = 0
[pid  6196] <... prctl resumed>)        = 0
[pid  6195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6193] <... openat resumed>)       = 3
[pid  6192] write(3, "1000", 4 <unfinished ...>
[pid  6196] setpgid(0, 0 <unfinished ...>
[pid  6194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6192] <... write resumed>)        = 4
[pid  6196] <... setpgid resumed>)      = 0
[pid  6193] write(3, "1000", 4 <unfinished ...>
[pid  6192] close(3 <unfinished ...>
[pid  6196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6195] <... openat resumed>)       = 3
[pid  6194] <... openat resumed>)       = 3
[pid  6193] <... write resumed>)        = 4
[pid  6192] <... close resumed>)        = 0
[pid  6196] <... openat resumed>)       = 3
[pid  6195] write(3, "1000", 4 <unfinished ...>
[pid  6194] write(3, "1000", 4 <unfinished ...>
[pid  6193] close(3 <unfinished ...>
[pid  6192] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6195] <... write resumed>)        = 4
[pid  6194] <... write resumed>)        = 4
[pid  6196] write(3, "1000", 4 <unfinished ...>
[pid  6195] close(3 <unfinished ...>
[pid  6194] close(3 <unfinished ...>
[pid  6193] <... close resumed>)        = 0
[pid  6192] <... symlink resumed>)      = 0
[pid  6195] <... close resumed>)        = 0
[pid  6194] <... close resumed>)        = 0
[pid  6196] <... write resumed>)        = 4
[pid  6193] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6192] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6196] close(3 <unfinished ...>
[pid  6193] <... symlink resumed>)      = 0
[pid  6192] <... write resumed>)        = 18
[pid  6196] <... close resumed>)        = 0
[pid  6196] symlink("/dev/binderfs", "./binderfs"executing program
 <unfinished ...>
[pid  6193] write(1, "executing program\n", 18 <unfinished ...>
[pid  6192] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6196] <... symlink resumed>)      = 0
[pid  6195] symlink("/dev/binderfs", "./binderfs"executing program
 <unfinished ...>
[pid  6194] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6193] <... write resumed>)        = 18
[pid  6196] write(1, "executing program\n", 18 <unfinished ...>
[pid  6195] <... symlink resumed>)      = 0
[pid  6194] <... symlink resumed>)      = 0
[pid  6193] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6192] <... bpf resumed>)          = 3
[pid  6196] <... write resumed>)        = 18
executing program
[pid  6194] write(1, "executing program\n", 18 <unfinished ...>
[pid  6196] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6195] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6194] <... write resumed>)        = 18
[pid  6193] <... bpf resumed>)          = 3
[pid  6192] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6195] <... write resumed>)        = 18
[pid  6194] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6195] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6194] <... bpf resumed>)          = 3
[pid  6195] <... bpf resumed>)          = 3
[pid  6194] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6193] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6192] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6196] <... bpf resumed>)          = 3
[pid  6195] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6194] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6193] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6192] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6196] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6195] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6194] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6193] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6196] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6195] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6194] <... bpf resumed>)          = 4
[pid  6192] <... bpf resumed>)          = 4
[pid  6196] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6194] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16) = 5
[pid  6192] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6193] <... bpf resumed>)          = 4
[pid  6194] close(3 <unfinished ...>
[pid  6196] <... bpf resumed>)          = 4
[pid  6195] <... bpf resumed>)          = 4
[pid  6193] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6192] <... bpf resumed>)          = 5
[pid  6196] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6195] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6194] <... close resumed>)        = 0
[pid  6193] <... bpf resumed>)          = 5
[pid  6196] <... bpf resumed>)          = 5
[pid  6195] <... bpf resumed>)          = 5
[pid  6194] close(4 <unfinished ...>
[pid  6193] close(3 <unfinished ...>
[pid  6192] close(3 <unfinished ...>
[pid  6196] close(3 <unfinished ...>
[pid  6195] close(3 <unfinished ...>
[pid  6194] <... close resumed>)        = 0
[pid  6192] <... close resumed>)        = 0
[pid  6192] close(4 <unfinished ...>
[pid  6196] <... close resumed>)        = 0
[pid  6195] <... close resumed>)        = 0
[pid  6192] <... close resumed>)        = 0
[pid  6196] close(4 <unfinished ...>
[pid  6195] close(4 <unfinished ...>
[pid  6192] close(5 <unfinished ...>
[pid  6196] <... close resumed>)        = 0
[pid  6195] <... close resumed>)        = 0
[pid  6194] close(5 <unfinished ...>
[pid  6192] <... close resumed>)        = 0
[pid  6196] close(5 <unfinished ...>
[pid  6195] close(5 <unfinished ...>
[pid  6193] <... close resumed>)        = 0
[pid  6194] <... close resumed>)        = 0
[pid  6192] close(6)                    = -1 EBADF (Bad file descriptor)
[pid  6195] <... close resumed>)        = 0
[pid  6194] close(6 <unfinished ...>
[pid  6192] close(7 <unfinished ...>
[pid  6193] close(4 <unfinished ...>
[pid  6194] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6192] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6196] <... close resumed>)        = 0
[pid  6195] close(6 <unfinished ...>
[pid  6194] close(7 <unfinished ...>
[pid  6192] close(8 <unfinished ...>
[pid  6193] <... close resumed>)        = 0
[pid  6192] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6192] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  6192] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  6196] close(6 <unfinished ...>
[pid  6195] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6194] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6193] close(5 <unfinished ...>
[pid  6192] close(11 <unfinished ...>
[pid  6196] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6195] close(7 <unfinished ...>
[pid  6194] close(8 <unfinished ...>
[pid  6193] <... close resumed>)        = 0
[pid  6196] close(7 <unfinished ...>
[pid  6195] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6194] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6193] close(6 <unfinished ...>
[pid  6192] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6196] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6195] close(8 <unfinished ...>
[pid  6194] close(9 <unfinished ...>
[pid  6193] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6192] close(12 <unfinished ...>
[pid  6196] close(8 <unfinished ...>
[pid  6195] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6194] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6193] close(7 <unfinished ...>
[pid  6192] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6196] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6195] close(9 <unfinished ...>
[pid  6194] close(10 <unfinished ...>
[pid  6193] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6192] close(13 <unfinished ...>
[pid  6196] close(9 <unfinished ...>
[pid  6195] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6194] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6193] close(8 <unfinished ...>
[pid  6192] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6196] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6195] close(10 <unfinished ...>
[pid  6194] close(11 <unfinished ...>
[pid  6193] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6192] close(14 <unfinished ...>
[pid  6196] close(10 <unfinished ...>
[pid  6195] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6194] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6193] close(9 <unfinished ...>
[pid  6192] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6196] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6195] close(11 <unfinished ...>
[pid  6194] close(12 <unfinished ...>
[pid  6193] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6192] close(15 <unfinished ...>
[pid  6196] close(11 <unfinished ...>
[pid  6195] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6194] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6193] close(10 <unfinished ...>
[pid  6192] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6196] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6195] close(12 <unfinished ...>
[pid  6194] close(13 <unfinished ...>
[pid  6193] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6192] close(16 <unfinished ...>
[pid  6196] close(12 <unfinished ...>
[pid  6195] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6194] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6193] close(11 <unfinished ...>
[pid  6196] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6195] close(13 <unfinished ...>
[pid  6194] close(14 <unfinished ...>
[pid  6192] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6196] close(13 <unfinished ...>
[pid  6195] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6194] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6193] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6192] close(17 <unfinished ...>
[pid  6196] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6195] close(14 <unfinished ...>
[pid  6194] close(15 <unfinished ...>
[pid  6193] close(12 <unfinished ...>
[pid  6192] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6196] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  6195] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6194] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6193] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6192] close(18 <unfinished ...>
[pid  6196] close(15 <unfinished ...>
[pid  6195] close(15 <unfinished ...>
[pid  6194] close(16 <unfinished ...>
[pid  6193] close(13 <unfinished ...>
[pid  6192] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6196] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6195] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6194] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6193] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6192] close(19 <unfinished ...>
[pid  6196] close(16 <unfinished ...>
[pid  6195] close(16 <unfinished ...>
[pid  6194] close(17 <unfinished ...>
[pid  6193] close(14 <unfinished ...>
[pid  6192] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6196] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6195] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6194] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6193] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6192] close(20 <unfinished ...>
[pid  6196] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  6195] close(17 <unfinished ...>
[pid  6194] close(18 <unfinished ...>
[pid  6193] close(15 <unfinished ...>
[pid  6192] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6196] close(18 <unfinished ...>
[pid  6195] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6194] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6193] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6192] close(21 <unfinished ...>
[pid  6196] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6195] close(18 <unfinished ...>
[pid  6194] close(19 <unfinished ...>
[pid  6193] close(16 <unfinished ...>
[pid  6192] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6196] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  6195] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6194] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6193] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6192] close(22 <unfinished ...>
[pid  6196] close(20 <unfinished ...>
[pid  6195] close(19 <unfinished ...>
[pid  6194] close(20 <unfinished ...>
[pid  6193] close(17 <unfinished ...>
[pid  6192] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6196] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6195] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6194] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6193] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6192] close(23 <unfinished ...>
[pid  6196] close(21 <unfinished ...>
[pid  6195] close(20 <unfinished ...>
[pid  6194] close(21 <unfinished ...>
[pid  6193] close(18 <unfinished ...>
[pid  6192] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6196] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6196] close(22 <unfinished ...>
[pid  6195] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6194] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6193] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6192] close(24 <unfinished ...>
[pid  6196] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6195] close(21 <unfinished ...>
[pid  6194] close(22 <unfinished ...>
[pid  6193] close(19 <unfinished ...>
[pid  6192] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6196] close(23 <unfinished ...>
[pid  6195] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6194] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6193] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6192] close(25 <unfinished ...>
[pid  6196] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6195] close(22 <unfinished ...>
[pid  6194] close(23 <unfinished ...>
[pid  6193] close(20 <unfinished ...>
[pid  6192] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6196] close(24 <unfinished ...>
[pid  6195] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6194] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6193] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6192] close(26 <unfinished ...>
[pid  6196] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6195] close(23 <unfinished ...>
[pid  6194] close(24 <unfinished ...>
[pid  6193] close(21 <unfinished ...>
[pid  6192] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6196] close(25 <unfinished ...>
[pid  6195] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6194] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6193] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6192] close(27 <unfinished ...>
[pid  6196] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6195] close(24 <unfinished ...>
[pid  6194] close(25 <unfinished ...>
[pid  6193] close(22 <unfinished ...>
[pid  6192] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6196] close(26 <unfinished ...>
[pid  6195] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6194] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6193] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6192] close(28 <unfinished ...>
[pid  6196] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6195] close(25 <unfinished ...>
[pid  6194] close(26 <unfinished ...>
[pid  6193] close(23 <unfinished ...>
[pid  6192] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6196] close(27 <unfinished ...>
[pid  6195] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6194] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6193] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6192] close(29 <unfinished ...>
[pid  6196] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6195] close(26 <unfinished ...>
[pid  6194] close(27 <unfinished ...>
[pid  6196] close(28 <unfinished ...>
[pid  6195] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6194] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6193] close(24 <unfinished ...>
[pid  6192] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6196] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6195] close(27 <unfinished ...>
[pid  6194] close(28 <unfinished ...>
[pid  6193] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6192] exit_group(0 <unfinished ...>
[pid  6196] close(29 <unfinished ...>
[pid  6195] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6194] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6193] close(25 <unfinished ...>
[pid  6196] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6195] close(28 <unfinished ...>
[pid  6194] close(29 <unfinished ...>
[pid  6193] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6192] <... exit_group resumed>)   = ?
[pid  6196] exit_group(0 <unfinished ...>
[pid  6195] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6194] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6193] close(26 <unfinished ...>
[pid  6192] +++ exited with 0 +++
[pid  6196] <... exit_group resumed>)   = ?
[pid  6195] close(29 <unfinished ...>
[pid  6194] exit_group(0 <unfinished ...>
[pid  6193] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6195] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6195] exit_group(0 <unfinished ...>
[pid  6193] close(27 <unfinished ...>
[pid  6195] <... exit_group resumed>)   = ?
[pid  6194] <... exit_group resumed>)   = ?
[pid  6193] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6196] +++ exited with 0 +++
[pid  6195] +++ exited with 0 +++
[pid  6194] +++ exited with 0 +++
[pid  6193] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6193] close(29 <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6193] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6193] exit_group(0)               = ?
[pid  6193] +++ exited with 0 +++
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5857] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5855] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5855] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] <... openat resumed>)       = 3
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5856] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5855] newfstatat(AT_FDCWD, "./65/binderfs",  <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./66/binderfs",  <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] unlink("./65/binderfs" <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] unlink("./66/binderfs" <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... openat resumed>)       = 3
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5853] <... openat resumed>)       = 3
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] newfstatat(AT_FDCWD, "./66/binderfs",  <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5855] <... close resumed>)        = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] rmdir("./66" <unfinished ...>
[pid  5855] rmdir("./65" <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] mkdir("./67", 0777 <unfinished ...>
[pid  5855] mkdir("./66", 0777 <unfinished ...>
[pid  5854] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5857] unlink("./66/binderfs" <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./64/binderfs",  <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... unlink resumed>)       = 0
[pid  5853] newfstatat(AT_FDCWD, "./65/binderfs", ./strace-static-x86_64: Process 6197 attached
{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
./strace-static-x86_64: Process 6198 attached
[pid  6197] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 69
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 68
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] unlink("./65/binderfs" <unfinished ...>
[pid  6198] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6197] <... set_robust_list resumed>) = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] unlink("./64/binderfs" <unfinished ...>
[pid  6198] <... set_robust_list resumed>) = 0
[pid  6197] chdir("./67" <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  6198] chdir("./66" <unfinished ...>
[pid  5853] getdents64(3, 0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6197] <... chdir resumed>)        = 0
[pid  6198] <... chdir resumed>)        = 0
[pid  5857] <... close resumed>)        = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  6197] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6198] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] rmdir("./66" <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... close resumed>)        = 0
[pid  6197] <... prctl resumed>)        = 0
[pid  5857] <... rmdir resumed>)        = 0
[pid  5853] rmdir("./65" <unfinished ...>
[pid  6198] <... prctl resumed>)        = 0
[pid  6197] setpgid(0, 0 <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  5853] mkdir("./66", 0777)         = 0
[pid  6198] setpgid(0, 0 <unfinished ...>
[pid  6197] <... setpgid resumed>)      = 0
[pid  5857] mkdir("./67", 0777 <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6198] <... setpgid resumed>)      = 0
[pid  6197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5854] rmdir("./64"./strace-static-x86_64: Process 6199 attached
 <unfinished ...>
[pid  6198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6199] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 68
[pid  6199] <... set_robust_list resumed>) = 0
[pid  6199] chdir("./66")               = 0
[pid  6199] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6200 attached
) = 0
[pid  6198] <... openat resumed>)       = 3
[pid  6197] <... openat resumed>)       = 3
[pid  5854] mkdir("./65", 0777 <unfinished ...>
[pid  6200] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6199] setpgid(0, 0 <unfinished ...>
[pid  6198] write(3, "1000", 4 <unfinished ...>
[pid  6197] write(3, "1000", 4 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 69
[pid  5854] <... mkdir resumed>)        = 0
[pid  6198] <... write resumed>)        = 4
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6198] close(3 <unfinished ...>
[pid  6200] <... set_robust_list resumed>) = 0
[pid  6199] <... setpgid resumed>)      = 0
[pid  6198] <... close resumed>)        = 0
[pid  6197] <... write resumed>)        = 4
[pid  6200] chdir("./67" <unfinished ...>
[pid  6199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6197] close(3./strace-static-x86_64: Process 6201 attached
 <unfinished ...>
[pid  6200] <... chdir resumed>)        = 0
[pid  6199] <... openat resumed>)       = 3
[pid  6197] <... close resumed>)        = 0
[pid  6200] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6197] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6200] <... prctl resumed>)        = 0
[pid  6199] write(3, "1000", 4 <unfinished ...>
[pid  6198] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6197] <... symlink resumed>)      = 0
[pid  6201] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6200] setpgid(0, 0 <unfinished ...>
[pid  6199] <... write resumed>)        = 4
[pid  6198] <... symlink resumed>)      = 0
[pid  6201] <... set_robust_list resumed>) = 0
[pid  6200] <... setpgid resumed>)      = 0
[pid  6199] close(3executing program
executing program
 <unfinished ...>
[pid  6197] write(1, "executing program\n", 18 <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 67
[pid  6201] chdir("./65" <unfinished ...>
[pid  6200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6199] <... close resumed>)        = 0
[pid  6198] write(1, "executing program\n", 18 <unfinished ...>
[pid  6197] <... write resumed>)        = 18
[pid  6201] <... chdir resumed>)        = 0
[pid  6199] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6198] <... write resumed>)        = 18
[pid  6197] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6201] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6200] <... openat resumed>)       = 3
[pid  6199] <... symlink resumed>)      = 0
[pid  6198] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6201] <... prctl resumed>)        = 0
[pid  6200] write(3, "1000", 4 <unfinished ...>
[pid  6199] write(1, "executing program\n", 18 <unfinished ...>
[pid  6197] <... bpf resumed>)          = 3
executing program
[pid  6198] <... bpf resumed>)          = 3
[pid  6201] setpgid(0, 0 <unfinished ...>
[pid  6200] <... write resumed>)        = 4
[pid  6201] <... setpgid resumed>)      = 0
[pid  6198] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6200] close(3 <unfinished ...>
[pid  6201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6200] <... close resumed>)        = 0
[pid  6199] <... write resumed>)        = 18
[pid  6198] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6197] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6200] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6199] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6201] <... openat resumed>)       = 3
[pid  6198] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6201] write(3, "1000", 4 <unfinished ...>
[pid  6200] <... symlink resumed>)      = 0
[pid  6199] <... bpf resumed>)          = 3
[pid  6197] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6199] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6201] <... write resumed>)        = 4
[pid  6200] write(1, "executing program\n", 18 <unfinished ...>
[pid  6199] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6198] <... bpf resumed>)          = 4
[pid  6197] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144executing program
 <unfinished ...>
[pid  6201] close(3 <unfinished ...>
[pid  6199] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6201] <... close resumed>)        = 0
[pid  6200] <... write resumed>)        = 18
[pid  6199] <... bpf resumed>)          = 4
[pid  6198] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6197] <... bpf resumed>)          = 4
[pid  6201] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6200] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6198] <... bpf resumed>)          = 5
[pid  6200] <... bpf resumed>)          = 3
[pid  6199] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6201] <... symlink resumed>)      = 0
[pid  6200] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6199] <... bpf resumed>)          = 5
executing program
[pid  6201] write(1, "executing program\n", 18 <unfinished ...>
[pid  6200] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6198] close(3 <unfinished ...>
[pid  6197] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6201] <... write resumed>)        = 18
[pid  6200] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6198] <... close resumed>)        = 0
[pid  6197] <... bpf resumed>)          = 5
[pid  6201] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6198] close(4 <unfinished ...>
[pid  6197] close(3 <unfinished ...>
[pid  6199] close(3 <unfinished ...>
[pid  6201] <... bpf resumed>)          = 3
[pid  6200] <... bpf resumed>)          = 4
[pid  6199] <... close resumed>)        = 0
[pid  6198] <... close resumed>)        = 0
[pid  6197] <... close resumed>)        = 0
[pid  6201] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6199] close(4 <unfinished ...>
[pid  6198] close(5 <unfinished ...>
[pid  6197] close(4 <unfinished ...>
[pid  6200] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6199] <... close resumed>)        = 0
[pid  6197] <... close resumed>)        = 0
[pid  6201] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6200] <... bpf resumed>)          = 5
[pid  6199] close(5 <unfinished ...>
[pid  6198] <... close resumed>)        = 0
[pid  6197] close(5 <unfinished ...>
[pid  6201] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6200] close(3 <unfinished ...>
[pid  6199] <... close resumed>)        = 0
[pid  6198] close(6 <unfinished ...>
[pid  6200] <... close resumed>)        = 0
[pid  6199] close(6 <unfinished ...>
[pid  6197] <... close resumed>)        = 0
[pid  6200] close(4 <unfinished ...>
[pid  6199] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6200] <... close resumed>)        = 0
[pid  6199] close(7 <unfinished ...>
[pid  6201] <... bpf resumed>)          = 4
[pid  6200] close(5 <unfinished ...>
[pid  6199] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6198] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6201] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6200] <... close resumed>)        = 0
[pid  6199] close(8 <unfinished ...>
[pid  6198] close(7 <unfinished ...>
[pid  6197] close(6 <unfinished ...>
[pid  6199] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6198] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6197] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6198] close(8 <unfinished ...>
[pid  6197] close(7 <unfinished ...>
[pid  6199] close(9 <unfinished ...>
[pid  6197] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6199] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6197] close(8 <unfinished ...>
[pid  6200] close(6 <unfinished ...>
[pid  6199] close(10 <unfinished ...>
[pid  6198] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6197] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6200] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6199] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6197] close(9 <unfinished ...>
[pid  6201] <... bpf resumed>)          = 5
[pid  6200] close(7 <unfinished ...>
[pid  6199] close(11 <unfinished ...>
[pid  6201] close(3 <unfinished ...>
[pid  6200] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6199] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6198] close(9 <unfinished ...>
[pid  6197] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6201] <... close resumed>)        = 0
[pid  6200] close(8 <unfinished ...>
[pid  6199] close(12 <unfinished ...>
[pid  6198] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6197] close(10 <unfinished ...>
[pid  6201] close(4 <unfinished ...>
[pid  6200] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6199] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6198] close(10 <unfinished ...>
[pid  6197] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6200] close(9 <unfinished ...>
[pid  6199] close(13 <unfinished ...>
[pid  6197] close(11 <unfinished ...>
[pid  6201] <... close resumed>)        = 0
[pid  6200] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6199] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6198] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6197] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6201] close(5 <unfinished ...>
[pid  6200] close(10 <unfinished ...>
[pid  6199] close(14 <unfinished ...>
[pid  6198] close(11 <unfinished ...>
[pid  6200] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6199] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6197] close(12 <unfinished ...>
[pid  6200] close(11 <unfinished ...>
[pid  6199] close(15 <unfinished ...>
[pid  6201] <... close resumed>)        = 0
[pid  6200] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6199] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6198] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6200] close(12 <unfinished ...>
[pid  6199] close(16 <unfinished ...>
[pid  6200] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6199] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6200] close(13 <unfinished ...>
[pid  6199] close(17 <unfinished ...>
[pid  6200] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6199] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6200] close(14 <unfinished ...>
[pid  6199] close(18 <unfinished ...>
[pid  6200] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6199] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6200] close(15 <unfinished ...>
[pid  6199] close(19 <unfinished ...>
[pid  6200] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6199] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6201] close(6 <unfinished ...>
[pid  6200] close(16 <unfinished ...>
[pid  6199] close(20 <unfinished ...>
[pid  6198] close(12 <unfinished ...>
[pid  6197] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6201] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6200] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6199] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6198] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6197] close(13 <unfinished ...>
[pid  6201] close(7 <unfinished ...>
[pid  6200] close(17 <unfinished ...>
[pid  6199] close(21 <unfinished ...>
[pid  6198] close(13 <unfinished ...>
[pid  6197] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6201] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6198] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6197] close(14 <unfinished ...>
[pid  6201] close(8 <unfinished ...>
[pid  6198] close(14 <unfinished ...>
[pid  6197] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6201] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6198] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6197] close(15 <unfinished ...>
[pid  6201] close(9 <unfinished ...>
[pid  6198] close(15 <unfinished ...>
[pid  6197] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6201] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6198] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6197] close(16 <unfinished ...>
[pid  6201] close(10 <unfinished ...>
[pid  6198] close(16 <unfinished ...>
[pid  6197] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6201] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6198] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6197] close(17 <unfinished ...>
[pid  6201] close(11 <unfinished ...>
[pid  6198] close(17 <unfinished ...>
[pid  6197] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6198] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6197] close(18 <unfinished ...>
[pid  6201] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6198] close(18 <unfinished ...>
[pid  6197] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6201] close(12 <unfinished ...>
[pid  6198] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6197] close(19 <unfinished ...>
[pid  6201] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6198] close(19 <unfinished ...>
[pid  6197] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6201] close(13 <unfinished ...>
[pid  6198] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6197] close(20 <unfinished ...>
[pid  6201] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6198] close(20 <unfinished ...>
[pid  6201] close(14 <unfinished ...>
[pid  6198] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6197] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6198] close(21 <unfinished ...>
[pid  6201] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6197] close(21 <unfinished ...>
[pid  6198] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6200] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6199] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6201] close(15 <unfinished ...>
[pid  6200] close(18 <unfinished ...>
[pid  6199] close(22 <unfinished ...>
[pid  6200] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6199] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6201] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6200] close(19 <unfinished ...>
[pid  6199] close(23 <unfinished ...>
[pid  6198] close(22 <unfinished ...>
[pid  6197] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6201] close(16 <unfinished ...>
[pid  6200] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6199] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6198] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6197] close(22 <unfinished ...>
[pid  6201] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6200] close(20 <unfinished ...>
[pid  6199] close(24 <unfinished ...>
[pid  6198] close(23 <unfinished ...>
[pid  6197] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6201] close(17 <unfinished ...>
[pid  6200] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6199] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6198] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6197] close(23 <unfinished ...>
[pid  6201] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6200] close(21 <unfinished ...>
[pid  6199] close(25 <unfinished ...>
[pid  6198] close(24 <unfinished ...>
[pid  6197] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6201] close(18 <unfinished ...>
[pid  6200] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6199] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6198] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6197] close(24 <unfinished ...>
[pid  6201] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6200] close(22 <unfinished ...>
[pid  6199] close(26 <unfinished ...>
[pid  6198] close(25 <unfinished ...>
[pid  6197] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6201] close(19 <unfinished ...>
[pid  6200] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6199] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6198] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6197] close(25 <unfinished ...>
[pid  6201] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6200] close(23 <unfinished ...>
[pid  6199] close(27 <unfinished ...>
[pid  6198] close(26 <unfinished ...>
[pid  6197] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6201] close(20 <unfinished ...>
[pid  6200] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6199] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6198] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6197] close(26 <unfinished ...>
[pid  6201] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6200] close(24 <unfinished ...>
[pid  6199] close(28 <unfinished ...>
[pid  6198] close(27 <unfinished ...>
[pid  6197] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6201] close(21 <unfinished ...>
[pid  6200] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6199] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6200] close(25 <unfinished ...>
[pid  6199] close(29 <unfinished ...>
[pid  6200] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6199] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6200] close(26 <unfinished ...>
[pid  6199] exit_group(0 <unfinished ...>
[pid  6201] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6200] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6199] <... exit_group resumed>)   = ?
[pid  6198] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6197] close(27 <unfinished ...>
[pid  6201] close(22 <unfinished ...>
[pid  6200] close(27 <unfinished ...>
[pid  6199] +++ exited with 0 +++
[pid  6198] close(28 <unfinished ...>
[pid  6197] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6201] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6200] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6198] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6197] close(28 <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6201] close(23 <unfinished ...>
[pid  6200] close(28 <unfinished ...>
[pid  6198] close(29 <unfinished ...>
[pid  6197] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6201] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6200] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6198] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6197] close(29 <unfinished ...>
[pid  6201] close(24 <unfinished ...>
[pid  6200] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  6201] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6200] exit_group(0 <unfinished ...>
[pid  6198] exit_group(0 <unfinished ...>
[pid  6197] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6201] close(25 <unfinished ...>
[pid  6200] <... exit_group resumed>)   = ?
[pid  6201] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6200] +++ exited with 0 +++
[pid  6198] <... exit_group resumed>)   = ?
[pid  6197] exit_group(0 <unfinished ...>
[pid  6201] close(26 <unfinished ...>
[pid  6197] <... exit_group resumed>)   = ?
[pid  6201] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6201] close(27 <unfinished ...>
[pid  6198] +++ exited with 0 +++
[pid  6197] +++ exited with 0 +++
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=69, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6201] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6201] close(28 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6201] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=69, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6201] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  6201] exit_group(0 <unfinished ...>
[pid  5853] <... restart_syscall resumed>) = 0
[pid  6201] <... exit_group resumed>)   = ?
[pid  5856] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5853] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5853] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6201] +++ exited with 0 +++
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... openat resumed>)       = 3
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./66/binderfs",  <unfinished ...>
[pid  5857] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] unlink("./66/binderfs" <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5857] <... openat resumed>)       = 3
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./67/binderfs",  <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5853] <... close resumed>)        = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] rmdir("./66" <unfinished ...>
[pid  5857] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] unlink("./67/binderfs" <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... rmdir resumed>)        = 0
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... unlink resumed>)       = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] mkdir("./67", 0777 <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./67/binderfs",  <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... mkdir resumed>)        = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5857] unlink("./67/binderfs" <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] <... close resumed>)        = 0
[pid  5854] newfstatat(AT_FDCWD, "./65/binderfs",  <unfinished ...>
[pid  5856] rmdir("./67")               = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
./strace-static-x86_64: Process 6202 attached
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] mkdir("./68", 0777 <unfinished ...>
[pid  5854] unlink("./65/binderfs" <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] close(3 <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 69
[pid  6202] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] <... mkdir resumed>)        = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5857] rmdir("./67" <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6202] <... set_robust_list resumed>) = 0
[pid  6202] chdir("./67")               = 0
[pid  6202] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6203 attached
 <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5855] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6203] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6202] <... prctl resumed>)        = 0
[pid  5857] mkdir("./68", 0777 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 70
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6203] <... set_robust_list resumed>) = 0
[pid  6202] setpgid(0, 0 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6203] chdir("./68" <unfinished ...>
[pid  6202] <... setpgid resumed>)      = 0
[pid  5857] <... mkdir resumed>)        = 0
[pid  5854] close(3 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  6203] <... chdir resumed>)        = 0
[pid  6202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] rmdir("./65" <unfinished ...>
[pid  6203] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6202] <... openat resumed>)       = 3
[pid  5855] <... openat resumed>)       = 3
[pid  5854] <... rmdir resumed>)        = 0
[pid  6203] <... prctl resumed>)        = 0
[pid  6203] setpgid(0, 0)               = 0
[pid  6202] write(3, "1000", 4 <unfinished ...>
[pid  5855] newfstatat(3, "", ./strace-static-x86_64: Process 6204 attached
 <unfinished ...>
[pid  6203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6202] <... write resumed>)        = 4
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 70
[pid  5854] mkdir("./66", 0777 <unfinished ...>
[pid  6204] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6203] <... openat resumed>)       = 3
[pid  6202] close(3 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  6204] <... set_robust_list resumed>) = 0
[pid  6203] write(3, "1000", 4 <unfinished ...>
[pid  6202] <... close resumed>)        = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6204] chdir("./68" <unfinished ...>
[pid  6203] <... write resumed>)        = 4
[pid  6202] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5855] getdents64(3, ./strace-static-x86_64: Process 6205 attached
 <unfinished ...>
[pid  6204] <... chdir resumed>)        = 0
[pid  6203] close(3 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6202] <... symlink resumed>)      = 0
[pid  5855] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  6205] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6204] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6203] <... close resumed>)        = 0
[pid  6202] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./66/binderfs",  <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 68
[pid  6205] <... set_robust_list resumed>) = 0
[pid  6204] <... prctl resumed>)        = 0
[pid  6203] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6202] <... write resumed>)        = 18
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6204] setpgid(0, 0 <unfinished ...>
[pid  5855] unlink("./66/binderfs" <unfinished ...>
[pid  6205] chdir("./66" <unfinished ...>
[pid  6204] <... setpgid resumed>)      = 0
[pid  6203] <... symlink resumed>)      = 0
[pid  6202] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  6205] <... chdir resumed>)        = 0
[pid  6204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
 <unfinished ...>
[pid  6203] write(1, "executing program\n", 18 <unfinished ...>
[pid  6205] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6203] <... write resumed>)        = 18
[pid  6202] <... bpf resumed>)          = 3
[pid  6205] <... prctl resumed>)        = 0
[pid  6205] setpgid(0, 0 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6205] <... setpgid resumed>)      = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] close(3 <unfinished ...>
[pid  6204] <... openat resumed>)       = 3
[pid  5855] <... close resumed>)        = 0
[pid  6203] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6202] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5855] rmdir("./66" <unfinished ...>
[pid  6205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6204] write(3, "1000", 4 <unfinished ...>
[pid  6203] <... bpf resumed>)          = 3
[pid  6202] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5855] <... rmdir resumed>)        = 0
[pid  5855] mkdir("./67", 0777 <unfinished ...>
[pid  6205] <... openat resumed>)       = 3
[pid  6204] <... write resumed>)        = 4
[pid  6203] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5855] <... mkdir resumed>)        = 0
[pid  6202] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6205] write(3, "1000", 4 <unfinished ...>
[pid  6204] close(3 <unfinished ...>
[pid  6203] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6205] <... write resumed>)        = 4
[pid  6204] <... close resumed>)        = 0
[pid  6203] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6202] <... bpf resumed>)          = 4
./strace-static-x86_64: Process 6206 attached
[pid  6205] close(3 <unfinished ...>
[pid  6204] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6206] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6203] <... bpf resumed>)          = 4
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 69
[pid  6205] <... close resumed>)        = 0
[pid  6204] <... symlink resumed>)      = 0
[pid  6203] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6202] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6206] <... set_robust_list resumed>) = 0
executing program
[pid  6205] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6204] write(1, "executing program\n", 18 <unfinished ...>
[pid  6206] chdir("./67" <unfinished ...>
[pid  6203] <... bpf resumed>)          = 5
[pid  6202] <... bpf resumed>)          = 5
[pid  6206] <... chdir resumed>)        = 0
[pid  6206] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6205] <... symlink resumed>)      = 0
[pid  6204] <... write resumed>)        = 18
[pid  6203] close(3 <unfinished ...>
[pid  6202] close(3executing program
 <unfinished ...>
[pid  6205] write(1, "executing program\n", 18 <unfinished ...>
[pid  6206] <... prctl resumed>)        = 0
[pid  6204] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6203] <... close resumed>)        = 0
[pid  6202] <... close resumed>)        = 0
[pid  6205] <... write resumed>)        = 18
[pid  6206] setpgid(0, 0 <unfinished ...>
[pid  6203] close(4 <unfinished ...>
[pid  6202] close(4 <unfinished ...>
[pid  6204] <... bpf resumed>)          = 3
[pid  6206] <... setpgid resumed>)      = 0
[pid  6205] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6204] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6203] <... close resumed>)        = 0
[pid  6202] <... close resumed>)        = 0
[pid  6205] <... bpf resumed>)          = 3
[pid  6204] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6205] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6203] close(5 <unfinished ...>
[pid  6202] close(5 <unfinished ...>
[pid  6206] <... openat resumed>)       = 3
[pid  6204] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6205] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6203] <... close resumed>)        = 0
[pid  6202] <... close resumed>)        = 0
[pid  6206] write(3, "1000", 4 <unfinished ...>
[pid  6205] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6206] <... write resumed>)        = 4
[pid  6204] <... bpf resumed>)          = 4
[pid  6203] close(6 <unfinished ...>
[pid  6202] close(6 <unfinished ...>
[pid  6206] close(3)                    = 0
[pid  6205] <... bpf resumed>)          = 4
[pid  6204] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6203] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6205] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6206] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6203] close(7 <unfinished ...>
[pid  6206] <... symlink resumed>)      = 0
[pid  6205] <... bpf resumed>)          = 5
[pid  6204] <... bpf resumed>)          = 5
[pid  6202] close(7 <unfinished ...>
[pid  6205] close(3 <unfinished ...>
[pid  6204] close(3 <unfinished ...>
[pid  6203] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6205] <... close resumed>)        = 0
[pid  6204] <... close resumed>)        = 0
[pid  6203] close(8 <unfinished ...>
[pid  6202] close(8 <unfinished ...>
[pid  6205] close(4 <unfinished ...>
[pid  6204] close(4 <unfinished ...>
[pid  6203] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6205] <... close resumed>)        = 0
[pid  6204] <... close resumed>)        = 0
[pid  6203] close(9 <unfinished ...>
[pid  6202] close(9 <unfinished ...>
[pid  6205] close(5 <unfinished ...>
[pid  6204] close(5 <unfinished ...>
[pid  6203] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6203] close(10 <unfinished ...>
[pid  6206] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6205] <... close resumed>)        = 0
[pid  6203] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] close(10 <unfinished ...>
[pid  6206] <... write resumed>)        = 18
[pid  6205] close(6 <unfinished ...>
[pid  6204] <... close resumed>)        = 0
[pid  6203] close(11 <unfinished ...>
[pid  6206] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6205] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6204] close(6 <unfinished ...>
[pid  6203] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6206] <... bpf resumed>)          = 3
[pid  6206] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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 EFAULT (Bad address)
[pid  6205] close(7 <unfinished ...>
[pid  6204] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6203] close(12 <unfinished ...>
[pid  6202] close(11 <unfinished ...>
[pid  6206] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6205] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6204] close(7 <unfinished ...>
[pid  6203] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6206] <... bpf resumed>)          = 4
[pid  6205] close(8 <unfinished ...>
[pid  6204] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6203] close(13 <unfinished ...>
[pid  6202] close(12 <unfinished ...>
[pid  6206] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6205] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6204] close(8 <unfinished ...>
[pid  6203] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6205] close(9 <unfinished ...>
[pid  6204] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6203] close(14 <unfinished ...>
[pid  6202] close(13 <unfinished ...>
[pid  6205] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6204] close(9 <unfinished ...>
[pid  6203] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6203] close(15 <unfinished ...>
[pid  6202] close(14 <unfinished ...>
[pid  6205] close(10 <unfinished ...>
[pid  6204] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6203] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6205] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6204] close(10 <unfinished ...>
[pid  6202] close(15 <unfinished ...>
[pid  6203] close(16 <unfinished ...>
[pid  6205] close(11 <unfinished ...>
[pid  6204] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6203] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6205] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6204] close(11 <unfinished ...>
[pid  6203] close(17 <unfinished ...>
[pid  6202] close(16 <unfinished ...>
[pid  6205] close(12 <unfinished ...>
[pid  6204] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6203] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6205] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6204] close(12 <unfinished ...>
[pid  6203] close(18 <unfinished ...>
[pid  6202] close(17 <unfinished ...>
[pid  6205] close(13 <unfinished ...>
[pid  6204] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6206] <... bpf resumed>)          = 5
[pid  6206] close(3)                    = 0
[pid  6203] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6206] close(4 <unfinished ...>
[pid  6205] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6204] close(13 <unfinished ...>
[pid  6203] close(19 <unfinished ...>
[pid  6202] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6206] <... close resumed>)        = 0
[pid  6205] close(14 <unfinished ...>
[pid  6204] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6203] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] close(18 <unfinished ...>
[pid  6206] close(5 <unfinished ...>
[pid  6204] close(14 <unfinished ...>
[pid  6203] close(20 <unfinished ...>
[pid  6205] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6206] <... close resumed>)        = 0
[pid  6205] close(15 <unfinished ...>
[pid  6204] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6203] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] close(19 <unfinished ...>
[pid  6205] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6204] close(15 <unfinished ...>
[pid  6203] close(21 <unfinished ...>
[pid  6205] close(16 <unfinished ...>
[pid  6202] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6205] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6204] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6203] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] close(20 <unfinished ...>
[pid  6205] close(17 <unfinished ...>
[pid  6204] close(16 <unfinished ...>
[pid  6203] close(22 <unfinished ...>
[pid  6202] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6205] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6204] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6203] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] close(21 <unfinished ...>
[pid  6205] close(18 <unfinished ...>
[pid  6204] close(17 <unfinished ...>
[pid  6203] close(23 <unfinished ...>
[pid  6202] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6205] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6204] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6203] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] close(22 <unfinished ...>
[pid  6205] close(19 <unfinished ...>
[pid  6204] close(18 <unfinished ...>
[pid  6203] close(24 <unfinished ...>
[pid  6205] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6204] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6203] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6205] close(20 <unfinished ...>
[pid  6204] close(19 <unfinished ...>
[pid  6203] close(25 <unfinished ...>
[pid  6202] close(23 <unfinished ...>
[pid  6206] close(6 <unfinished ...>
[pid  6205] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6204] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6203] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6206] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6205] close(21 <unfinished ...>
[pid  6204] close(20 <unfinished ...>
[pid  6203] close(26 <unfinished ...>
[pid  6202] close(24 <unfinished ...>
[pid  6206] close(7 <unfinished ...>
[pid  6205] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6204] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6203] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6206] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6206] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  6205] close(22 <unfinished ...>
[pid  6204] close(21 <unfinished ...>
[pid  6203] close(27 <unfinished ...>
[pid  6202] close(25 <unfinished ...>
[pid  6206] close(9 <unfinished ...>
[pid  6205] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6204] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6203] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6206] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6205] close(23 <unfinished ...>
[pid  6204] close(22 <unfinished ...>
[pid  6203] close(28 <unfinished ...>
[pid  6202] close(26 <unfinished ...>
[pid  6206] close(10 <unfinished ...>
[pid  6205] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6203] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6204] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6206] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6206] close(11 <unfinished ...>
[pid  6203] close(29 <unfinished ...>
[pid  6202] close(27 <unfinished ...>
[pid  6206] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6206] close(12 <unfinished ...>
[pid  6205] close(24 <unfinished ...>
[pid  6204] close(23 <unfinished ...>
[pid  6203] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] close(28 <unfinished ...>
[pid  6206] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6205] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6204] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6206] close(13 <unfinished ...>
[pid  6205] close(25 <unfinished ...>
[pid  6204] close(24 <unfinished ...>
[pid  6202] close(29 <unfinished ...>
[pid  6206] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6206] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  6206] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  6206] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  6206] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  6206] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  6206] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  6206] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  6206] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  6206] close(22 <unfinished ...>
[pid  6205] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6204] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6203] exit_group(0 <unfinished ...>
[pid  6202] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6206] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6205] close(26 <unfinished ...>
[pid  6204] close(25 <unfinished ...>
[pid  6203] <... exit_group resumed>)   = ?
[pid  6206] close(23 <unfinished ...>
[pid  6204] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6202] exit_group(0 <unfinished ...>
[pid  6206] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6206] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  6206] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  6205] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6204] close(26 <unfinished ...>
[pid  6203] +++ exited with 0 +++
[pid  6202] <... exit_group resumed>)   = ?
[pid  6204] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6206] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  6206] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  6206] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  6206] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  6206] exit_group(0)               = ?
[pid  6204] close(27 <unfinished ...>
[pid  6202] +++ exited with 0 +++
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6205] close(27 <unfinished ...>
[pid  6206] +++ exited with 0 +++
[pid  6205] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6204] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=69, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6205] close(28 <unfinished ...>
[pid  6204] close(28 <unfinished ...>
[pid  6205] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6204] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=69, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6205] close(29 <unfinished ...>
[pid  6204] close(29 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6205] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6204] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6205] exit_group(0 <unfinished ...>
[pid  6204] exit_group(0 <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5855] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6205] <... exit_group resumed>)   = ?
[pid  6204] <... exit_group resumed>)   = ?
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  6205] +++ exited with 0 +++
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6204] +++ exited with 0 +++
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] newfstatat(AT_FDCWD, "./67/binderfs",  <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] newfstatat(AT_FDCWD, "./67/binderfs",  <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] unlink("./67/binderfs" <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] newfstatat(AT_FDCWD, "./68/binderfs",  <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5853] unlink("./67/binderfs" <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  5856] unlink("./68/binderfs" <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] close(3 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5853] close(3 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] rmdir("./67" <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5856] close(3 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  5853] rmdir("./67" <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5853] <... rmdir resumed>)        = 0
[pid  5856] rmdir("./68" <unfinished ...>
[pid  5855] mkdir("./68", 0777 <unfinished ...>
[pid  5853] mkdir("./68", 0777 <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5856] <... rmdir resumed>)        = 0
[pid  5855] <... mkdir resumed>)        = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  5856] mkdir("./69", 0777 <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6207 attached
./strace-static-x86_64: Process 6208 attached
 <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  6207] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 70
[pid  6208] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6207] <... set_robust_list resumed>) = 0
[pid  6207] chdir("./68" <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 70
./strace-static-x86_64: Process 6209 attached
[pid  6208] <... set_robust_list resumed>) = 0
[pid  6207] <... chdir resumed>)        = 0
[pid  5857] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6208] chdir("./68" <unfinished ...>
[pid  6209] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6208] <... chdir resumed>)        = 0
[pid  6207] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 71
[pid  5854] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6209] <... set_robust_list resumed>) = 0
[pid  6208] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6207] <... prctl resumed>)        = 0
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  6208] <... prctl resumed>)        = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6208] setpgid(0, 0 <unfinished ...>
[pid  6207] setpgid(0, 0 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6209] chdir("./69" <unfinished ...>
[pid  6208] <... setpgid resumed>)      = 0
[pid  6207] <... setpgid resumed>)      = 0
[pid  6209] <... chdir resumed>)        = 0
[pid  5854] <... openat resumed>)       = 3
[pid  6208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  6209] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  6209] <... prctl resumed>)        = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6209] setpgid(0, 0 <unfinished ...>
[pid  6208] <... openat resumed>)       = 3
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6209] <... setpgid resumed>)      = 0
[pid  6208] write(3, "1000", 4 <unfinished ...>
[pid  6207] <... openat resumed>)       = 3
[pid  5857] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6208] <... write resumed>)        = 4
[pid  6207] write(3, "1000", 4 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6208] close(3 <unfinished ...>
[pid  6209] <... openat resumed>)       = 3
[pid  6207] <... write resumed>)        = 4
[pid  6208] <... close resumed>)        = 0
[pid  5857] newfstatat(AT_FDCWD, "./68/binderfs",  <unfinished ...>
[pid  6209] write(3, "1000", 4 <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6208] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6207] close(3 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] newfstatat(AT_FDCWD, "./66/binderfs",  <unfinished ...>
[pid  6209] <... write resumed>)        = 4
[pid  6208] <... symlink resumed>)      = 0
[pid  6207] <... close resumed>)        = 0
[pid  5857] unlink("./68/binderfs" <unfinished ...>
executing program
[pid  6209] close(3 <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6208] write(1, "executing program\n", 18 <unfinished ...>
[pid  6209] <... close resumed>)        = 0
[pid  6207] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5854] unlink("./66/binderfs" <unfinished ...>
[pid  6209] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6208] <... write resumed>)        = 18
[pid  6207] <... symlink resumed>)      = 0
[pid  5857] getdents64(3, executing program
executing program
 <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  6209] <... symlink resumed>)      = 0
[pid  6208] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6207] write(1, "executing program\n", 18 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6209] write(1, "executing program\n", 18 <unfinished ...>
[pid  6208] <... bpf resumed>)          = 3
[pid  6207] <... write resumed>)        = 18
[pid  5857] close(3 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6209] <... write resumed>)        = 18
[pid  5857] <... close resumed>)        = 0
[pid  6208] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6209] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6208] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6207] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5857] rmdir("./68" <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  6209] <... bpf resumed>)          = 3
[pid  6208] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6207] <... bpf resumed>)          = 3
[pid  6209] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5857] <... rmdir resumed>)        = 0
[pid  5854] <... close resumed>)        = 0
[pid  6209] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6208] <... bpf resumed>)          = 4
[pid  6207] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5857] mkdir("./69", 0777 <unfinished ...>
[pid  5854] rmdir("./66" <unfinished ...>
[pid  6209] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6208] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6207] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5857] <... mkdir resumed>)        = 0
[pid  5854] <... rmdir resumed>)        = 0
[pid  6209] <... bpf resumed>)          = 4
[pid  6209] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6208] <... bpf resumed>)          = 5
[pid  6207] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] mkdir("./67", 0777 <unfinished ...>
[pid  6209] <... bpf resumed>)          = 5
[pid  6208] close(3 <unfinished ...>
[pid  6209] close(3)                    = 0
./strace-static-x86_64: Process 6210 attached
[pid  6209] close(4 <unfinished ...>
[pid  6208] <... close resumed>)        = 0
[pid  6207] <... bpf resumed>)          = 4
[pid  5854] <... mkdir resumed>)        = 0
[pid  6210] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6209] <... close resumed>)        = 0
[pid  6208] close(4 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 71
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6210] <... set_robust_list resumed>) = 0
[pid  6209] close(5 <unfinished ...>
[pid  6208] <... close resumed>)        = 0
[pid  6207] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16) = 5
[pid  6207] close(3./strace-static-x86_64: Process 6211 attached
 <unfinished ...>
[pid  6210] chdir("./69" <unfinished ...>
[pid  6209] <... close resumed>)        = 0
[pid  6208] close(5 <unfinished ...>
[pid  6210] <... chdir resumed>)        = 0
[pid  6209] close(6 <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 69
[pid  6210] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6209] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6210] <... prctl resumed>)        = 0
[pid  6209] close(7 <unfinished ...>
[pid  6211] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6210] setpgid(0, 0 <unfinished ...>
[pid  6209] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6208] <... close resumed>)        = 0
[pid  6207] <... close resumed>)        = 0
[pid  6211] <... set_robust_list resumed>) = 0
[pid  6210] <... setpgid resumed>)      = 0
[pid  6209] close(8 <unfinished ...>
[pid  6208] close(6 <unfinished ...>
[pid  6207] close(4 <unfinished ...>
[pid  6211] chdir("./67" <unfinished ...>
[pid  6210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6209] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6208] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6207] <... close resumed>)        = 0
[pid  6211] <... chdir resumed>)        = 0
[pid  6209] close(9 <unfinished ...>
[pid  6207] close(5 <unfinished ...>
[pid  6211] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6210] <... openat resumed>)       = 3
[pid  6209] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6208] close(7 <unfinished ...>
[pid  6207] <... close resumed>)        = 0
[pid  6211] <... prctl resumed>)        = 0
[pid  6210] write(3, "1000", 4 <unfinished ...>
[pid  6209] close(10 <unfinished ...>
[pid  6208] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6210] <... write resumed>)        = 4
[pid  6209] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6208] close(8 <unfinished ...>
[pid  6210] close(3 <unfinished ...>
[pid  6209] close(11 <unfinished ...>
[pid  6208] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6210] <... close resumed>)        = 0
[pid  6209] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6210] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6208] close(9 <unfinished ...>
[pid  6209] close(12executing program
 <unfinished ...>
[pid  6211] setpgid(0, 0 <unfinished ...>
[pid  6210] <... symlink resumed>)      = 0
[pid  6209] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6208] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6207] close(6 <unfinished ...>
[pid  6211] <... setpgid resumed>)      = 0
[pid  6210] write(1, "executing program\n", 18 <unfinished ...>
[pid  6209] close(13 <unfinished ...>
[pid  6208] close(10 <unfinished ...>
[pid  6207] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6210] <... write resumed>)        = 18
[pid  6209] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6208] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6207] close(7 <unfinished ...>
[pid  6211] <... openat resumed>)       = 3
[pid  6210] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6209] close(14 <unfinished ...>
[pid  6208] close(11 <unfinished ...>
[pid  6207] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] write(3, "1000", 4 <unfinished ...>
[pid  6210] <... bpf resumed>)          = 3
[pid  6209] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6208] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6207] close(8 <unfinished ...>
[pid  6211] <... write resumed>)        = 4
[pid  6210] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6209] close(15 <unfinished ...>
[pid  6208] close(12 <unfinished ...>
[pid  6207] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] close(3 <unfinished ...>
[pid  6210] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6209] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6208] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6209] close(16 <unfinished ...>
[pid  6208] close(13 <unfinished ...>
[pid  6210] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6209] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6208] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] <... close resumed>)        = 0
[pid  6207] close(9 <unfinished ...>
[pid  6211] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6210] <... bpf resumed>)          = 4
[pid  6209] close(17 <unfinished ...>
[pid  6208] close(14 <unfinished ...>
[pid  6207] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] <... symlink resumed>)      = 0
[pid  6210] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6209] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6208] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6207] close(10 <unfinished ...>
[pid  6211] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6209] close(18 <unfinished ...>
[pid  6208] close(15 <unfinished ...>
[pid  6207] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] <... write resumed>)        = 18
[pid  6210] <... bpf resumed>)          = 5
[pid  6209] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6208] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6207] close(11 <unfinished ...>
[pid  6211] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6210] close(3 <unfinished ...>
[pid  6209] close(19 <unfinished ...>
[pid  6208] close(16 <unfinished ...>
[pid  6207] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] <... bpf resumed>)          = 3
[pid  6210] <... close resumed>)        = 0
[pid  6209] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6208] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6207] close(12 <unfinished ...>
[pid  6211] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6210] close(4 <unfinished ...>
[pid  6209] close(20 <unfinished ...>
[pid  6208] close(17 <unfinished ...>
[pid  6207] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6210] <... close resumed>)        = 0
[pid  6209] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6208] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6207] close(13 <unfinished ...>
[pid  6211] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6210] close(5 <unfinished ...>
[pid  6209] close(21 <unfinished ...>
[pid  6208] close(18 <unfinished ...>
[pid  6207] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] <... bpf resumed>)          = 4
[pid  6210] <... close resumed>)        = 0
[pid  6209] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6208] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6207] close(14 <unfinished ...>
[pid  6210] close(6 <unfinished ...>
[pid  6209] close(22 <unfinished ...>
[pid  6208] close(19 <unfinished ...>
[pid  6207] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6210] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6209] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6208] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6207] close(15 <unfinished ...>
[pid  6211] <... bpf resumed>)          = 5
[pid  6210] close(7 <unfinished ...>
[pid  6209] close(23 <unfinished ...>
[pid  6208] close(20 <unfinished ...>
[pid  6207] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6210] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6209] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6208] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6207] close(16 <unfinished ...>
[pid  6211] close(3 <unfinished ...>
[pid  6210] close(8 <unfinished ...>
[pid  6209] close(24 <unfinished ...>
[pid  6208] close(21 <unfinished ...>
[pid  6207] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] <... close resumed>)        = 0
[pid  6210] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6209] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6208] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6207] close(17 <unfinished ...>
[pid  6211] close(4 <unfinished ...>
[pid  6210] close(9 <unfinished ...>
[pid  6209] close(25 <unfinished ...>
[pid  6208] close(22 <unfinished ...>
[pid  6207] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] <... close resumed>)        = 0
[pid  6210] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6209] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6208] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6207] close(18 <unfinished ...>
[pid  6211] close(5 <unfinished ...>
[pid  6210] close(10 <unfinished ...>
[pid  6209] close(26 <unfinished ...>
[pid  6208] close(23 <unfinished ...>
[pid  6207] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] <... close resumed>)        = 0
[pid  6207] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  6210] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6209] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6208] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6207] close(20 <unfinished ...>
[pid  6211] close(6 <unfinished ...>
[pid  6210] close(11 <unfinished ...>
[pid  6209] close(27 <unfinished ...>
[pid  6208] close(24 <unfinished ...>
[pid  6207] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6210] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6209] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6208] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6207] close(21 <unfinished ...>
[pid  6211] close(7 <unfinished ...>
[pid  6210] close(12 <unfinished ...>
[pid  6209] close(28 <unfinished ...>
[pid  6208] close(25 <unfinished ...>
[pid  6207] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6210] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6209] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6208] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6207] close(22 <unfinished ...>
[pid  6211] close(8 <unfinished ...>
[pid  6210] close(13 <unfinished ...>
[pid  6209] close(29 <unfinished ...>
[pid  6208] close(26 <unfinished ...>
[pid  6207] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6210] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6209] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6208] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6207] close(23 <unfinished ...>
[pid  6211] close(9 <unfinished ...>
[pid  6207] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6207] close(24 <unfinished ...>
[pid  6211] close(10 <unfinished ...>
[pid  6207] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6210] close(14 <unfinished ...>
[pid  6207] close(25 <unfinished ...>
[pid  6211] close(11 <unfinished ...>
[pid  6210] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6209] exit_group(0 <unfinished ...>
[pid  6208] close(27 <unfinished ...>
[pid  6207] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6210] close(15 <unfinished ...>
[pid  6209] <... exit_group resumed>)   = ?
[pid  6208] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6207] close(26 <unfinished ...>
[pid  6211] close(12 <unfinished ...>
[pid  6210] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6208] close(28 <unfinished ...>
[pid  6207] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6210] close(16 <unfinished ...>
[pid  6208] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6207] close(27 <unfinished ...>
[pid  6211] close(13 <unfinished ...>
[pid  6210] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6208] close(29 <unfinished ...>
[pid  6207] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6207] close(28 <unfinished ...>
[pid  6211] close(14 <unfinished ...>
[pid  6207] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6207] close(29 <unfinished ...>
[pid  6211] close(15 <unfinished ...>
[pid  6207] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6207] exit_group(0 <unfinished ...>
[pid  6211] close(16 <unfinished ...>
[pid  6209] +++ exited with 0 +++
[pid  6208] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6210] close(17 <unfinished ...>
[pid  6211] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6208] exit_group(0 <unfinished ...>
[pid  6207] <... exit_group resumed>)   = ?
[pid  6210] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6208] <... exit_group resumed>)   = ?
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6210] close(18 <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6210] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] close(17 <unfinished ...>
[pid  6210] close(19 <unfinished ...>
[pid  6208] +++ exited with 0 +++
[pid  6207] +++ exited with 0 +++
[pid  6211] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6210] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  6211] close(18 <unfinished ...>
[pid  6210] close(20 <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6211] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6210] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  6210] close(21 <unfinished ...>
[pid  6211] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  6210] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  6210] close(22 <unfinished ...>
[pid  6211] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  6210] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  6210] close(23 <unfinished ...>
[pid  6211] close(24 <unfinished ...>
[pid  6210] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6210] close(24 <unfinished ...>
[pid  6211] close(25 <unfinished ...>
[pid  6210] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6210] close(25 <unfinished ...>
[pid  6211] close(26 <unfinished ...>
[pid  6210] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6210] close(26 <unfinished ...>
[pid  6211] close(27 <unfinished ...>
[pid  6210] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6210] close(27 <unfinished ...>
[pid  6211] close(28 <unfinished ...>
[pid  6210] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6210] close(28 <unfinished ...>
[pid  6211] close(29 <unfinished ...>
[pid  6210] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6211] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6210] close(29 <unfinished ...>
[pid  6211] exit_group(0 <unfinished ...>
[pid  6210] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5855] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6211] <... exit_group resumed>)   = ?
[pid  6210] exit_group(0 <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5855] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] getdents64(3, 0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5855] newfstatat(AT_FDCWD, "./68/binderfs",  <unfinished ...>
[pid  6211] +++ exited with 0 +++
[pid  6210] <... exit_group resumed>)   = ?
[pid  5856] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6210] +++ exited with 0 +++
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] unlink("./68/binderfs" <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=69, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5853] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] <... openat resumed>)       = 3
[pid  5857] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... close resumed>)        = 0
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5856] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] rmdir("./68" <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] newfstatat(AT_FDCWD, "./69/binderfs",  <unfinished ...>
[pid  5855] mkdir("./69", 0777 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./69/binderfs",  <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] newfstatat(AT_FDCWD, "./67/binderfs",  <unfinished ...>
[pid  5857] unlink("./69/binderfs" <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] newfstatat(AT_FDCWD, "./68/binderfs",  <unfinished ...>
[pid  5856] unlink("./69/binderfs" <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
./strace-static-x86_64: Process 6212 attached
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  5854] unlink("./67/binderfs" <unfinished ...>
[pid  5853] unlink("./68/binderfs")     = 0
[pid  6212] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... close resumed>)        = 0
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 71
[pid  5853] close(3 <unfinished ...>
[pid  5856] rmdir("./69" <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  6212] <... set_robust_list resumed>) = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] rmdir("./68" <unfinished ...>
[pid  6212] chdir("./69" <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] mkdir("./70", 0777 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... rmdir resumed>)        = 0
[pid  5857] close(3 <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5854] close(3 <unfinished ...>
[pid  5853] mkdir("./69", 0777 <unfinished ...>
[pid  6212] <... chdir resumed>)        = 0
[pid  5857] <... close resumed>)        = 0
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  6212] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] rmdir("./69" <unfinished ...>
[pid  5854] rmdir("./67"./strace-static-x86_64: Process 6213 attached
 <unfinished ...>
[pid  6212] <... prctl resumed>)        = 0
[pid  5857] <... rmdir resumed>)        = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  6213] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6212] setpgid(0, 0 <unfinished ...>
[pid  5857] mkdir("./70", 0777 <unfinished ...>
[pid  5854] mkdir("./68", 0777./strace-static-x86_64: Process 6214 attached
 <unfinished ...>
[pid  6213] <... set_robust_list resumed>) = 0
[pid  6212] <... setpgid resumed>)      = 0
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 72
[pid  5854] <... mkdir resumed>)        = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 71
./strace-static-x86_64: Process 6215 attached
[pid  6214] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6213] chdir("./70" <unfinished ...>
[pid  6212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  6213] <... chdir resumed>)        = 0
[pid  6215] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6215] <... set_robust_list resumed>) = 0
[pid  6214] <... set_robust_list resumed>) = 0
[pid  6213] setpgid(0, 0 <unfinished ...>
[pid  6212] <... openat resumed>)       = 3
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 70
./strace-static-x86_64: Process 6216 attached
[pid  6215] chdir("./68" <unfinished ...>
[pid  6214] chdir("./69" <unfinished ...>
[pid  6213] <... setpgid resumed>)      = 0
[pid  6212] write(3, "1000", 4 <unfinished ...>
[pid  6216] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6216] <... set_robust_list resumed>) = 0
[pid  6215] <... chdir resumed>)        = 0
[pid  6214] <... chdir resumed>)        = 0
[pid  6214] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6212] <... write resumed>)        = 4
[pid  6216] chdir("./70" <unfinished ...>
[pid  6215] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6214] <... prctl resumed>)        = 0
[pid  6212] close(3 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 72
[pid  6214] setpgid(0, 0 <unfinished ...>
[pid  6213] <... openat resumed>)       = 3
[pid  6212] <... close resumed>)        = 0
[pid  6214] <... setpgid resumed>)      = 0
[pid  6212] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6216] <... chdir resumed>)        = 0
[pid  6215] <... prctl resumed>)        = 0
[pid  6214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6213] write(3, "1000", 4 <unfinished ...>
[pid  6212] <... symlink resumed>)      = 0
[pid  6216] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6215] setpgid(0, 0 <unfinished ...>
[pid  6214] <... openat resumed>)       = 3
[pid  6213] <... write resumed>)        = 4
[pid  6216] <... prctl resumed>)        = 0
[pid  6215] <... setpgid resumed>)      = 0
[pid  6213] close(3 <unfinished ...>
[pid  6214] write(3, "1000", 4 <unfinished ...>
executing program
[pid  6213] <... close resumed>)        = 0
[pid  6212] write(1, "executing program\n", 18 <unfinished ...>
[pid  6216] setpgid(0, 0 <unfinished ...>
[pid  6215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6214] <... write resumed>)        = 4
[pid  6213] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6212] <... write resumed>)        = 18
[pid  6216] <... setpgid resumed>)      = 0
[pid  6214] close(3 <unfinished ...>
[pid  6212] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6215] <... openat resumed>)       = 3
[pid  6214] <... close resumed>)        = 0
[pid  6213] <... symlink resumed>)      = 0
[pid  6212] <... bpf resumed>)          = 3
[pid  6214] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6212] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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, ...}, 144executing program
 <unfinished ...>
[pid  6216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6215] write(3, "1000", 4 <unfinished ...>
[pid  6214] <... symlink resumed>)      = 0
[pid  6213] write(1, "executing program\n", 18 <unfinished ...>
[pid  6216] <... openat resumed>)       = 3
[pid  6215] <... write resumed>)        = 4
[pid  6213] <... write resumed>)        = 18
[pid  6212] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6216] write(3, "1000", 4 <unfinished ...>
[pid  6215] close(3 <unfinished ...>
[pid  6213] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6216] <... write resumed>)        = 4
[pid  6215] <... close resumed>)        = 0
[pid  6216] close(3 <unfinished ...>
[pid  6213] <... bpf resumed>)          = 3
executing program
[pid  6215] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6214] write(1, "executing program\n", 18 <unfinished ...>
[pid  6212] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6216] <... close resumed>)        = 0
[pid  6215] <... symlink resumed>)      = 0
[pid  6214] <... write resumed>)        = 18
[pid  6213] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6212] <... bpf resumed>)          = 4
executing program
[pid  6216] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6215] write(1, "executing program\n", 18 <unfinished ...>
[pid  6214] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6212] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6216] <... symlink resumed>)      = 0
[pid  6215] <... write resumed>)        = 18
[pid  6214] <... bpf resumed>)          = 3
[pid  6213] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6212] <... bpf resumed>)          = 5
[pid  6214] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6216] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  6215] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6214] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6213] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6212] close(3 <unfinished ...>
[pid  6216] <... write resumed>)        = 18
[pid  6215] <... bpf resumed>)          = 3
[pid  6214] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6212] <... close resumed>)        = 0
[pid  6216] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6215] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6214] <... bpf resumed>)          = 4
[pid  6213] <... bpf resumed>)          = 4
[pid  6216] <... bpf resumed>)          = 3
[pid  6215] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6212] close(4)                    = 0
[pid  6216] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6215] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6214] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6213] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6212] close(5 <unfinished ...>
[pid  6216] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6215] <... bpf resumed>)          = 4
[pid  6212] <... close resumed>)        = 0
[pid  6216] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6215] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6214] <... bpf resumed>)          = 5
[pid  6212] close(6 <unfinished ...>
[pid  6213] <... bpf resumed>)          = 5
[pid  6212] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6212] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  6216] <... bpf resumed>)          = 4
[pid  6215] <... bpf resumed>)          = 5
[pid  6214] close(3 <unfinished ...>
[pid  6213] close(3 <unfinished ...>
[pid  6212] close(8 <unfinished ...>
[pid  6216] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6215] close(3 <unfinished ...>
[pid  6214] <... close resumed>)        = 0
[pid  6213] <... close resumed>)        = 0
[pid  6212] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6214] close(4 <unfinished ...>
[pid  6212] close(9 <unfinished ...>
[pid  6216] <... bpf resumed>)          = 5
[pid  6215] <... close resumed>)        = 0
[pid  6214] <... close resumed>)        = 0
[pid  6213] close(4 <unfinished ...>
[pid  6212] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6216] close(3 <unfinished ...>
[pid  6215] close(4 <unfinished ...>
[pid  6214] close(5 <unfinished ...>
[pid  6213] <... close resumed>)        = 0
[pid  6212] close(10 <unfinished ...>
[pid  6216] <... close resumed>)        = 0
[pid  6215] <... close resumed>)        = 0
[pid  6213] close(5 <unfinished ...>
[pid  6216] close(4 <unfinished ...>
[pid  6215] close(5 <unfinished ...>
[pid  6213] <... close resumed>)        = 0
[pid  6216] <... close resumed>)        = 0
[pid  6215] <... close resumed>)        = 0
[pid  6216] close(5 <unfinished ...>
[pid  6213] close(6 <unfinished ...>
[pid  6215] close(6 <unfinished ...>
[pid  6216] <... close resumed>)        = 0
[pid  6215] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6214] <... close resumed>)        = 0
[pid  6213] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6212] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6216] close(6 <unfinished ...>
[pid  6215] close(7 <unfinished ...>
[pid  6213] close(7 <unfinished ...>
[pid  6212] close(11 <unfinished ...>
[pid  6216] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6215] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6214] close(6 <unfinished ...>
[pid  6213] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6212] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6216] close(7 <unfinished ...>
[pid  6215] close(8 <unfinished ...>
[pid  6214] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6213] close(8 <unfinished ...>
[pid  6212] close(12 <unfinished ...>
[pid  6216] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6215] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6214] close(7 <unfinished ...>
[pid  6213] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6212] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6216] close(8 <unfinished ...>
[pid  6215] close(9 <unfinished ...>
[pid  6214] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6213] close(9 <unfinished ...>
[pid  6212] close(13 <unfinished ...>
[pid  6216] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6215] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6214] close(8 <unfinished ...>
[pid  6213] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6212] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6216] close(9 <unfinished ...>
[pid  6215] close(10 <unfinished ...>
[pid  6214] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6213] close(10 <unfinished ...>
[pid  6212] close(14 <unfinished ...>
[pid  6216] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6215] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6214] close(9 <unfinished ...>
[pid  6213] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6212] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6216] close(10 <unfinished ...>
[pid  6215] close(11 <unfinished ...>
[pid  6214] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6213] close(11 <unfinished ...>
[pid  6212] close(15 <unfinished ...>
[pid  6216] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6215] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6214] close(10 <unfinished ...>
[pid  6213] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6212] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6216] close(11 <unfinished ...>
[pid  6215] close(12 <unfinished ...>
[pid  6214] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6213] close(12 <unfinished ...>
[pid  6212] close(16 <unfinished ...>
[pid  6216] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6215] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6214] close(11 <unfinished ...>
[pid  6213] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6212] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6216] close(12 <unfinished ...>
[pid  6215] close(13 <unfinished ...>
[pid  6214] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6213] close(13 <unfinished ...>
[pid  6212] close(17 <unfinished ...>
[pid  6216] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6215] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6214] close(12 <unfinished ...>
[pid  6213] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6212] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6216] close(13 <unfinished ...>
[pid  6215] close(14 <unfinished ...>
[pid  6214] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6213] close(14 <unfinished ...>
[pid  6212] close(18 <unfinished ...>
[pid  6216] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6215] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6214] close(13 <unfinished ...>
[pid  6213] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6212] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6216] close(14 <unfinished ...>
[pid  6215] close(15 <unfinished ...>
[pid  6214] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6213] close(15 <unfinished ...>
[pid  6212] close(19 <unfinished ...>
[pid  6216] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6215] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6214] close(14 <unfinished ...>
[pid  6213] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6212] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6216] close(15 <unfinished ...>
[pid  6215] close(16 <unfinished ...>
[pid  6214] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6213] close(16 <unfinished ...>
[pid  6212] close(20 <unfinished ...>
[pid  6216] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6215] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6214] close(15 <unfinished ...>
[pid  6213] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6212] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6216] close(16 <unfinished ...>
[pid  6215] close(17 <unfinished ...>
[pid  6214] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6213] close(17 <unfinished ...>
[pid  6212] close(21 <unfinished ...>
[pid  6216] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6215] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6214] close(16 <unfinished ...>
[pid  6213] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6212] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6216] close(17 <unfinished ...>
[pid  6215] close(18 <unfinished ...>
[pid  6214] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6213] close(18 <unfinished ...>
[pid  6212] close(22 <unfinished ...>
[pid  6216] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6215] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6214] close(17 <unfinished ...>
[pid  6213] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6212] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6216] close(18 <unfinished ...>
[pid  6215] close(19 <unfinished ...>
[pid  6214] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6213] close(19 <unfinished ...>
[pid  6216] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6215] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6214] close(18 <unfinished ...>
[pid  6213] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6216] close(19 <unfinished ...>
[pid  6215] close(20 <unfinished ...>
[pid  6214] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6213] close(20 <unfinished ...>
[pid  6216] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6215] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6214] close(19 <unfinished ...>
[pid  6213] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6216] close(20 <unfinished ...>
[pid  6215] close(21 <unfinished ...>
[pid  6214] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6213] close(21 <unfinished ...>
[pid  6216] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6215] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6214] close(20 <unfinished ...>
[pid  6213] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6216] close(21 <unfinished ...>
[pid  6215] close(22 <unfinished ...>
[pid  6214] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6213] close(22 <unfinished ...>
[pid  6216] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6215] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6214] close(21 <unfinished ...>
[pid  6213] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6216] close(22 <unfinished ...>
[pid  6215] close(23 <unfinished ...>
[pid  6214] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6213] close(23 <unfinished ...>
[pid  6216] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6215] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6214] close(22 <unfinished ...>
[pid  6213] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6216] close(23 <unfinished ...>
[pid  6215] close(24 <unfinished ...>
[pid  6214] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6213] close(24 <unfinished ...>
[pid  6216] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6215] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6214] close(23 <unfinished ...>
[pid  6213] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6216] close(24 <unfinished ...>
[pid  6215] close(25 <unfinished ...>
[pid  6214] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6213] close(25 <unfinished ...>
[pid  6216] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6215] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6214] close(24 <unfinished ...>
[pid  6213] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6216] close(25 <unfinished ...>
[pid  6215] close(26 <unfinished ...>
[pid  6214] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6213] close(26 <unfinished ...>
[pid  6216] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6215] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6214] close(25 <unfinished ...>
[pid  6213] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6216] close(26 <unfinished ...>
[pid  6215] close(27 <unfinished ...>
[pid  6214] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6213] close(27 <unfinished ...>
[pid  6216] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6215] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6214] close(26 <unfinished ...>
[pid  6213] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6216] close(27 <unfinished ...>
[pid  6215] close(28 <unfinished ...>
[pid  6214] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6213] close(28 <unfinished ...>
[pid  6216] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6215] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6214] close(27 <unfinished ...>
[pid  6213] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6216] close(28 <unfinished ...>
[pid  6215] close(29 <unfinished ...>
[pid  6214] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6213] close(29 <unfinished ...>
[pid  6216] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6215] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6214] close(28 <unfinished ...>
[pid  6213] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6216] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  6215] exit_group(0 <unfinished ...>
[pid  6214] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6213] exit_group(0 <unfinished ...>
[pid  6212] close(23 <unfinished ...>
[pid  6216] exit_group(0 <unfinished ...>
[pid  6215] <... exit_group resumed>)   = ?
[pid  6214] close(29 <unfinished ...>
[pid  6213] <... exit_group resumed>)   = ?
[pid  6212] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6216] <... exit_group resumed>)   = ?
[pid  6212] close(24 <unfinished ...>
[pid  6215] +++ exited with 0 +++
[pid  6214] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6212] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6214] exit_group(0 <unfinished ...>
[pid  6212] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  6214] <... exit_group resumed>)   = ?
[pid  6212] close(26 <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6212] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6212] close(27 <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6212] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6212] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  6212] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  6214] +++ exited with 0 +++
[pid  6212] exit_group(0 <unfinished ...>
[pid  6216] +++ exited with 0 +++
[pid  6213] +++ exited with 0 +++
[pid  6212] <... exit_group resumed>)   = ?
[pid  6212] +++ exited with 0 +++
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=72, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=72, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5853] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5854] <... openat resumed>)       = 3
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] newfstatat(AT_FDCWD, "./69/binderfs",  <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./68/binderfs",  <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... openat resumed>)       = 3
[pid  5855] unlink("./69/binderfs" <unfinished ...>
[pid  5854] unlink("./68/binderfs" <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] close(3 <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  5853] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5854] <... close resumed>)        = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] rmdir("./69" <unfinished ...>
[pid  5854] rmdir("./68" <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./69/binderfs",  <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] mkdir("./70", 0777 <unfinished ...>
[pid  5854] mkdir("./69", 0777 <unfinished ...>
[pid  5853] unlink("./69/binderfs" <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] getdents64(3, 0x555562c7c6f0 /* 0 entries */, 32768) = 0
./strace-static-x86_64: Process 6217 attached
[pid  5853] close(3./strace-static-x86_64: Process 6218 attached
)                    = 0
[pid  6218] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6217] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5856] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 72
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 71
[pid  5853] rmdir("./69" <unfinished ...>
[pid  6218] <... set_robust_list resumed>) = 0
[pid  6217] <... set_robust_list resumed>) = 0
[pid  5857] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... rmdir resumed>)        = 0
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] mkdir("./70", 0777 <unfinished ...>
[pid  6217] chdir("./69" <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6218] chdir("./70" <unfinished ...>
[pid  6217] <... chdir resumed>)        = 0
[pid  5857] <... openat resumed>)       = 3
[pid  5853] <... mkdir resumed>)        = 0
[pid  6217] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  6218] <... chdir resumed>)        = 0
[pid  6217] <... prctl resumed>)        = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] <... openat resumed>)       = 3
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6219 attached
 <unfinished ...>
[pid  6218] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6217] setpgid(0, 0 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  6219] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6217] <... setpgid resumed>)      = 0
[pid  6218] <... prctl resumed>)        = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6218] setpgid(0, 0 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5857] newfstatat(AT_FDCWD, "./70/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] unlink("./70/binderfs" <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 72
[pid  6219] <... set_robust_list resumed>) = 0
[pid  6218] <... setpgid resumed>)      = 0
[pid  6217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6219] chdir("./70" <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  6218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] close(3 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6217] <... openat resumed>)       = 3
[pid  5857] <... close resumed>)        = 0
[pid  5857] rmdir("./70" <unfinished ...>
[pid  6219] <... chdir resumed>)        = 0
[pid  6218] <... openat resumed>)       = 3
[pid  6217] write(3, "1000", 4 <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6219] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6218] write(3, "1000", 4 <unfinished ...>
[pid  6217] <... write resumed>)        = 4
[pid  6219] <... prctl resumed>)        = 0
[pid  6218] <... write resumed>)        = 4
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6217] close(3 <unfinished ...>
[pid  6219] setpgid(0, 0 <unfinished ...>
[pid  6218] close(3 <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./70/binderfs",  <unfinished ...>
[pid  6219] <... setpgid resumed>)      = 0
[pid  6218] <... close resumed>)        = 0
[pid  6217] <... close resumed>)        = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6217] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6218] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
executing program
[pid  6217] <... symlink resumed>)      = 0
[pid  5857] mkdir("./71", 0777 <unfinished ...>
[pid  6219] <... openat resumed>)       = 3
[pid  6218] <... symlink resumed>)      = 0
[pid  6217] write(1, "executing program\n", 18 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] unlink("./70/binderfs"executing program
 <unfinished ...>
[pid  6219] write(3, "1000", 4 <unfinished ...>
[pid  6218] write(1, "executing program\n", 18 <unfinished ...>
[pid  6217] <... write resumed>)        = 18
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6220 attached
 <unfinished ...>
[pid  6219] <... write resumed>)        = 4
[pid  6218] <... write resumed>)        = 18
[pid  6217] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  6220] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6219] close(3 <unfinished ...>
[pid  6218] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6220] <... set_robust_list resumed>) = 0
[pid  6219] <... close resumed>)        = 0
[pid  6217] <... bpf resumed>)          = 3
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6218] <... bpf resumed>)          = 3
[pid  6220] chdir("./71" <unfinished ...>
[pid  6219] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6217] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 73
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6218] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6220] <... chdir resumed>)        = 0
[pid  6219] <... symlink resumed>)      = 0
[pid  6217] <... bpf resumed>)          = -1 EFAULT (Bad address)
executing program
[pid  5856] close(3 <unfinished ...>
[pid  6220] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6219] write(1, "executing program\n", 18 <unfinished ...>
[pid  6218] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6217] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6220] <... prctl resumed>)        = 0
[pid  6219] <... write resumed>)        = 18
[pid  6218] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  6217] <... bpf resumed>)          = 4
[pid  6220] setpgid(0, 0 <unfinished ...>
[pid  6219] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6220] <... setpgid resumed>)      = 0
[pid  6218] <... bpf resumed>)          = 4
[pid  6217] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5856] rmdir("./70" <unfinished ...>
[pid  6219] <... bpf resumed>)          = 3
[pid  5856] <... rmdir resumed>)        = 0
[pid  6220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6219] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5856] mkdir("./71", 0777 <unfinished ...>
[pid  6218] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6217] <... bpf resumed>)          = 5
[pid  5856] <... mkdir resumed>)        = 0
[pid  6219] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6218] <... bpf resumed>)          = 5
[pid  6220] <... openat resumed>)       = 3
[pid  6219] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6217] close(3 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6218] close(3 <unfinished ...>
[pid  6220] write(3, "1000", 4 <unfinished ...>
[pid  6219] <... bpf resumed>)          = 4
[pid  6217] <... close resumed>)        = 0
[pid  6218] <... close resumed>)        = 0
[pid  6220] <... write resumed>)        = 4
[pid  6217] close(4 <unfinished ...>
[pid  6218] close(4 <unfinished ...>
[pid  6220] close(3 <unfinished ...>
[pid  6219] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6217] <... close resumed>)        = 0
[pid  6220] <... close resumed>)        = 0
[pid  6218] <... close resumed>)        = 0
[pid  6219] <... bpf resumed>)          = 5
[pid  6218] close(5 <unfinished ...>
[pid  6217] close(5 <unfinished ...>
[pid  6220] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 6221 attached
 <unfinished ...>
[pid  6218] <... close resumed>)        = 0
executing program
[pid  6220] <... symlink resumed>)      = 0
[pid  6218] close(6 <unfinished ...>
[pid  6221] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6220] write(1, "executing program\n", 18 <unfinished ...>
[pid  6218] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6217] <... close resumed>)        = 0
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 73
[pid  6220] <... write resumed>)        = 18
[pid  6218] close(7 <unfinished ...>
[pid  6217] close(6 <unfinished ...>
[pid  6218] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6221] <... set_robust_list resumed>) = 0
[pid  6220] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6219] close(3 <unfinished ...>
[pid  6218] close(8 <unfinished ...>
[pid  6217] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6221] chdir("./71" <unfinished ...>
[pid  6220] <... bpf resumed>)          = 3
[pid  6218] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6217] close(7 <unfinished ...>
[pid  6219] <... close resumed>)        = 0
[pid  6221] <... chdir resumed>)        = 0
[pid  6220] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6218] close(9 <unfinished ...>
[pid  6217] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6221] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6219] close(4 <unfinished ...>
[pid  6218] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6217] close(8 <unfinished ...>
[pid  6221] <... prctl resumed>)        = 0
[pid  6220] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6219] <... close resumed>)        = 0
[pid  6218] close(10 <unfinished ...>
[pid  6217] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6221] setpgid(0, 0 <unfinished ...>
[pid  6220] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6219] close(5 <unfinished ...>
[pid  6218] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6217] close(9 <unfinished ...>
[pid  6221] <... setpgid resumed>)      = 0
[pid  6221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6220] <... bpf resumed>)          = 4
[pid  6221] <... openat resumed>)       = 3
[pid  6219] <... close resumed>)        = 0
[pid  6218] close(11 <unfinished ...>
[pid  6217] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6220] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6219] close(6 <unfinished ...>
[pid  6218] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6217] close(10 <unfinished ...>
[pid  6221] write(3, "1000", 4 <unfinished ...>
[pid  6219] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6218] close(12 <unfinished ...>
[pid  6217] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6221] <... write resumed>)        = 4
[pid  6220] <... bpf resumed>)          = 5
[pid  6219] close(7 <unfinished ...>
[pid  6218] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6217] close(11 <unfinished ...>
[pid  6221] close(3 <unfinished ...>
[pid  6220] close(3 <unfinished ...>
[pid  6219] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6218] close(13 <unfinished ...>
[pid  6221] <... close resumed>)        = 0
[pid  6220] <... close resumed>)        = 0
[pid  6219] close(8 <unfinished ...>
[pid  6217] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6218] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6221] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6220] close(4 <unfinished ...>
[pid  6219] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6218] close(14 <unfinished ...>
[pid  6217] close(12 <unfinished ...>
[pid  6221] <... symlink resumed>)      = 0
[pid  6220] <... close resumed>)        = 0
[pid  6219] close(9 <unfinished ...>
[pid  6218] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6220] close(5 <unfinished ...>
[pid  6219] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6217] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6218] close(15executing program
 <unfinished ...>
[pid  6221] write(1, "executing program\n", 18) = 18
[pid  6220] <... close resumed>)        = 0
[pid  6219] close(10 <unfinished ...>
[pid  6218] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6217] close(13 <unfinished ...>
[pid  6221] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6220] close(6 <unfinished ...>
[pid  6219] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6218] close(16 <unfinished ...>
[pid  6217] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6220] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6219] close(11 <unfinished ...>
[pid  6218] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6217] close(14 <unfinished ...>
[pid  6220] close(7 <unfinished ...>
[pid  6219] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6218] close(17 <unfinished ...>
[pid  6217] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6220] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6219] close(12 <unfinished ...>
[pid  6218] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6217] close(15 <unfinished ...>
[pid  6221] <... bpf resumed>)          = 3
[pid  6220] close(8 <unfinished ...>
[pid  6219] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6218] close(18 <unfinished ...>
[pid  6217] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6221] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6220] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6219] close(13 <unfinished ...>
[pid  6218] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6217] close(16 <unfinished ...>
[pid  6221] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6220] close(9 <unfinished ...>
[pid  6219] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6218] close(19 <unfinished ...>
[pid  6217] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6221] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6220] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6219] close(14 <unfinished ...>
[pid  6218] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6217] close(17 <unfinished ...>
[pid  6221] <... bpf resumed>)          = 4
[pid  6220] close(10 <unfinished ...>
[pid  6219] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6218] close(20 <unfinished ...>
[pid  6217] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6221] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6220] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6219] close(15 <unfinished ...>
[pid  6218] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6217] close(18 <unfinished ...>
[pid  6221] <... bpf resumed>)          = 5
[pid  6220] close(11 <unfinished ...>
[pid  6219] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6218] close(21 <unfinished ...>
[pid  6217] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6220] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6219] close(16 <unfinished ...>
[pid  6218] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6217] close(19 <unfinished ...>
[pid  6220] close(12 <unfinished ...>
[pid  6219] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6218] close(22 <unfinished ...>
[pid  6217] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6220] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6219] close(17 <unfinished ...>
[pid  6218] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6217] close(20 <unfinished ...>
[pid  6220] close(13 <unfinished ...>
[pid  6219] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6218] close(23 <unfinished ...>
[pid  6217] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6220] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6219] close(18 <unfinished ...>
[pid  6218] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6217] close(21 <unfinished ...>
[pid  6220] close(14 <unfinished ...>
[pid  6219] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6218] close(24 <unfinished ...>
[pid  6217] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6220] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6219] close(19 <unfinished ...>
[pid  6218] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6217] close(22 <unfinished ...>
[pid  6220] close(15 <unfinished ...>
[pid  6219] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6218] close(25 <unfinished ...>
[pid  6217] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6220] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6219] close(20 <unfinished ...>
[pid  6218] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6217] close(23 <unfinished ...>
[pid  6220] close(16 <unfinished ...>
[pid  6219] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6218] close(26 <unfinished ...>
[pid  6217] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6220] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6219] close(21 <unfinished ...>
[pid  6218] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6217] close(24 <unfinished ...>
[pid  6220] close(17 <unfinished ...>
[pid  6219] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6218] close(27 <unfinished ...>
[pid  6217] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6220] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6219] close(22 <unfinished ...>
[pid  6218] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6217] close(25 <unfinished ...>
[pid  6220] close(18 <unfinished ...>
[pid  6219] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6218] close(28 <unfinished ...>
[pid  6217] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6221] close(3 <unfinished ...>
[pid  6220] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6219] close(23 <unfinished ...>
[pid  6218] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6221] <... close resumed>)        = 0
[pid  6220] close(19 <unfinished ...>
[pid  6219] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6218] close(29 <unfinished ...>
[pid  6217] close(26 <unfinished ...>
[pid  6221] close(4 <unfinished ...>
[pid  6220] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6219] close(24 <unfinished ...>
[pid  6218] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6217] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6221] <... close resumed>)        = 0
[pid  6220] close(20 <unfinished ...>
[pid  6219] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6218] exit_group(0 <unfinished ...>
[pid  6217] close(27 <unfinished ...>
[pid  6221] close(5 <unfinished ...>
[pid  6220] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6219] close(25 <unfinished ...>
[pid  6218] <... exit_group resumed>)   = ?
[pid  6217] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6221] <... close resumed>)        = 0
[pid  6220] close(21 <unfinished ...>
[pid  6219] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6221] close(6)                    = -1 EBADF (Bad file descriptor)
[pid  6221] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  6221] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  6218] +++ exited with 0 +++
[pid  6221] close(9 <unfinished ...>
[pid  6220] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6219] close(26 <unfinished ...>
[pid  6217] close(28 <unfinished ...>
[pid  6221] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6220] close(22 <unfinished ...>
[pid  6219] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6217] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=72, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6221] close(10 <unfinished ...>
[pid  6220] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6219] close(27 <unfinished ...>
[pid  6217] close(29 <unfinished ...>
[pid  5855] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6221] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6220] close(23 <unfinished ...>
[pid  6219] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6217] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6221] close(11 <unfinished ...>
[pid  6220] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6219] close(28 <unfinished ...>
[pid  6217] exit_group(0 <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6221] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6220] close(24 <unfinished ...>
[pid  6219] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6217] <... exit_group resumed>)   = ?
[pid  5855] <... openat resumed>)       = 3
[pid  6221] close(12 <unfinished ...>
[pid  6220] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6219] close(29 <unfinished ...>
[pid  6221] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6220] close(25 <unfinished ...>
[pid  6217] +++ exited with 0 +++
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  6221] close(13 <unfinished ...>
[pid  6219] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6221] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6220] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6219] exit_group(0 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6221] close(14 <unfinished ...>
[pid  6220] close(26 <unfinished ...>
[pid  6221] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6220] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6219] <... exit_group resumed>)   = ?
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6221] close(15 <unfinished ...>
[pid  6220] close(27 <unfinished ...>
[pid  6219] +++ exited with 0 +++
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6221] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6220] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6221] close(16 <unfinished ...>
[pid  6220] close(28 <unfinished ...>
[pid  5854] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=72, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6221] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6220] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6221] close(17 <unfinished ...>
[pid  6220] close(29 <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./70/binderfs",  <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6221] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6221] close(18 <unfinished ...>
[pid  6220] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... openat resumed>)       = 3
[pid  6221] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6220] exit_group(0 <unfinished ...>
[pid  5855] unlink("./70/binderfs" <unfinished ...>
[pid  6221] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  6220] <... exit_group resumed>)   = ?
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  6221] close(20 <unfinished ...>
[pid  6220] +++ exited with 0 +++
[pid  6221] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6221] close(21 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6221] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6221] close(22 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  6221] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... close resumed>)        = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6221] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  5855] rmdir("./70" <unfinished ...>
[pid  5854] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6221] close(24 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  6221] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6221] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  5855] mkdir("./71", 0777 <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./69/binderfs",  <unfinished ...>
[pid  6221] close(26 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  6221] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6221] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  6221] close(28 <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6221] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] unlink("./69/binderfs"./strace-static-x86_64: Process 6222 attached
 <unfinished ...>
[pid  6221] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  5854] <... unlink resumed>)       = 0
[pid  6221] exit_group(0 <unfinished ...>
[pid  6222] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6222] <... set_robust_list resumed>) = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6221] <... exit_group resumed>)   = ?
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 73
[pid  5854] close(3 <unfinished ...>
[pid  6222] chdir("./71" <unfinished ...>
[pid  6221] +++ exited with 0 +++
[pid  5854] <... close resumed>)        = 0
[pid  6222] <... chdir resumed>)        = 0
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6222] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5854] rmdir("./69" <unfinished ...>
[pid  5853] <... restart_syscall resumed>) = 0
[pid  6222] <... prctl resumed>)        = 0
[pid  6222] setpgid(0, 0 <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  6222] <... setpgid resumed>)      = 0
[pid  6222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5856] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] mkdir("./70", 0777 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... openat resumed>)       = 3
[pid  5854] <... mkdir resumed>)        = 0
[pid  6222] <... openat resumed>)       = 3
[pid  5856] <... openat resumed>)       = 3
[pid  5853] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6222] write(3, "1000", 4 <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6222] <... write resumed>)        = 4
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... openat resumed>)       = 3
[pid  6222] close(3 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
./strace-static-x86_64: Process 6223 attached
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6223] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6222] <... close resumed>)        = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 72
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6222] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] newfstatat(AT_FDCWD, "./71/binderfs",  <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./71/binderfs",  <unfinished ...>
[pid  6222] <... symlink resumed>)      = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6223] <... set_robust_list resumed>) = 0
executing program
[pid  5853] newfstatat(AT_FDCWD, "./70/binderfs",  <unfinished ...>
[pid  6223] chdir("./70" <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] unlink("./71/binderfs" <unfinished ...>
[pid  6223] <... chdir resumed>)        = 0
[pid  6223] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6222] write(1, "executing program\n", 18 <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6223] <... prctl resumed>)        = 0
[pid  6222] <... write resumed>)        = 18
[pid  5857] unlink("./71/binderfs" <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5853] unlink("./70/binderfs" <unfinished ...>
[pid  6223] setpgid(0, 0)               = 0
[pid  6222] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  6223] <... openat resumed>)       = 3
[pid  6223] write(3, "1000", 4)         = 4
[pid  6222] <... bpf resumed>)          = 3
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6223] close(3 <unfinished ...>
[pid  6222] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5857] getdents64(3,  <unfinished ...>
[pid  6223] <... close resumed>)        = 0
[pid  5856] close(3 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6223] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6223] <... symlink resumed>)      = 0
executing program
[pid  6222] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5856] <... close resumed>)        = 0
[pid  5853] close(3 <unfinished ...>
[pid  6223] write(1, "executing program\n", 18) = 18
[pid  6223] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3
[pid  6222] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5856] rmdir("./71" <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  6223] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5857] <... close resumed>)        = 0
[pid  6222] <... bpf resumed>)          = 4
[pid  6222] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5857] rmdir("./71" <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5853] rmdir("./70" <unfinished ...>
[pid  6223] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5857] <... rmdir resumed>)        = 0
[pid  6223] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  6222] <... bpf resumed>)          = 5
[pid  5857] mkdir("./72", 0777 <unfinished ...>
[pid  5856] mkdir("./72", 0777 <unfinished ...>
[pid  5853] mkdir("./71", 0777 <unfinished ...>
[pid  6223] <... bpf resumed>)          = 4
[pid  6223] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6222] close(3 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  5856] <... mkdir resumed>)        = 0
[pid  6223] <... bpf resumed>)          = 5
[pid  6222] <... close resumed>)        = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6225 attached
./strace-static-x86_64: Process 6224 attached
 <unfinished ...>
[pid  6223] close(3 <unfinished ...>
[pid  6222] close(4./strace-static-x86_64: Process 6226 attached
 <unfinished ...>
[pid  6225] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6224] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6223] <... close resumed>)        = 0
[pid  6222] <... close resumed>)        = 0
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 74
[pid  6226] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6225] <... set_robust_list resumed>) = 0
[pid  6224] <... set_robust_list resumed>) = 0
[pid  6223] close(4 <unfinished ...>
[pid  6222] close(5 <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 73
[pid  6226] <... set_robust_list resumed>) = 0
[pid  6225] chdir("./72" <unfinished ...>
[pid  6224] chdir("./71" <unfinished ...>
[pid  6223] <... close resumed>)        = 0
[pid  6222] <... close resumed>)        = 0
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 74
[pid  6226] chdir("./72" <unfinished ...>
[pid  6225] <... chdir resumed>)        = 0
[pid  6224] <... chdir resumed>)        = 0
[pid  6223] close(5 <unfinished ...>
[pid  6222] close(6 <unfinished ...>
[pid  6226] <... chdir resumed>)        = 0
[pid  6225] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6224] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6223] <... close resumed>)        = 0
[pid  6222] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6226] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6225] <... prctl resumed>)        = 0
[pid  6224] <... prctl resumed>)        = 0
[pid  6222] close(7 <unfinished ...>
[pid  6226] <... prctl resumed>)        = 0
[pid  6224] setpgid(0, 0 <unfinished ...>
[pid  6223] close(6 <unfinished ...>
[pid  6226] setpgid(0, 0 <unfinished ...>
[pid  6224] <... setpgid resumed>)      = 0
[pid  6225] setpgid(0, 0 <unfinished ...>
[pid  6223] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6222] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6225] <... setpgid resumed>)      = 0
[pid  6223] close(7 <unfinished ...>
[pid  6222] close(8 <unfinished ...>
[pid  6224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6226] <... setpgid resumed>)      = 0
[pid  6225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6223] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6222] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6223] close(8 <unfinished ...>
[pid  6222] close(9 <unfinished ...>
[pid  6223] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6222] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6223] close(9 <unfinished ...>
[pid  6222] close(10 <unfinished ...>
[pid  6223] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6222] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6223] close(10 <unfinished ...>
[pid  6222] close(11 <unfinished ...>
[pid  6225] <... openat resumed>)       = 3
[pid  6224] <... openat resumed>)       = 3
[pid  6223] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6222] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6225] write(3, "1000", 4 <unfinished ...>
[pid  6224] write(3, "1000", 4 <unfinished ...>
[pid  6223] close(11 <unfinished ...>
[pid  6222] close(12 <unfinished ...>
[pid  6225] <... write resumed>)        = 4
[pid  6223] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6222] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6225] close(3 <unfinished ...>
[pid  6223] close(12 <unfinished ...>
[pid  6222] close(13 <unfinished ...>
[pid  6223] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6222] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6225] <... close resumed>)        = 0
[pid  6223] close(13 <unfinished ...>
[pid  6222] close(14 <unfinished ...>
[pid  6225] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6223] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6222] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6223] close(14 <unfinished ...>
[pid  6222] close(15 <unfinished ...>
[pid  6223] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6222] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6223] close(15 <unfinished ...>
[pid  6222] close(16 <unfinished ...>
[pid  6223] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6222] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6226] <... openat resumed>)       = 3
[pid  6225] <... symlink resumed>)      = 0
[pid  6224] <... write resumed>)        = 4
[pid  6223] close(16 <unfinished ...>
[pid  6222] close(17 <unfinished ...>
[pid  6226] write(3, "1000", 4 <unfinished ...>
[pid  6224] close(3 <unfinished ...>
[pid  6222] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  6226] <... write resumed>)        = 4
[pid  6225] write(1, "executing program\n", 18 <unfinished ...>
[pid  6224] <... close resumed>)        = 0
[pid  6223] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6222] close(18 <unfinished ...>
[pid  6226] close(3 <unfinished ...>
[pid  6225] <... write resumed>)        = 18
[pid  6224] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6223] close(17 <unfinished ...>
[pid  6222] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6226] <... close resumed>)        = 0
[pid  6225] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6224] <... symlink resumed>)      = 0
[pid  6223] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6222] close(19 <unfinished ...>
[pid  6226] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6225] <... bpf resumed>)          = 3
[pid  6223] close(18 <unfinished ...>
[pid  6222] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6225] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6223] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6222] close(20executing program
 <unfinished ...>
[pid  6226] <... symlink resumed>)      = 0
[pid  6225] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6224] write(1, "executing program\n", 18 <unfinished ...>
[pid  6223] close(19 <unfinished ...>
[pid  6222] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6225] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6223] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6222] close(21 <unfinished ...>
[pid  6226] write(1, "executing program\n", 18 <unfinished ...>
[pid  6224] <... write resumed>)        = 18
[pid  6223] close(20 <unfinished ...>
[pid  6222] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6223] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6222] close(22 <unfinished ...>
[pid  6223] close(21 <unfinished ...>
[pid  6222] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6223] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6222] close(23 <unfinished ...>
[pid  6223] close(22 <unfinished ...>
[pid  6225] <... bpf resumed>)          = 4
[pid  6223] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  6222] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6223] close(23 <unfinished ...>
[pid  6226] <... write resumed>)        = 18
[pid  6225] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6224] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6223] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6222] close(24 <unfinished ...>
[pid  6226] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6225] <... bpf resumed>)          = 5
[pid  6224] <... bpf resumed>)          = 3
[pid  6223] close(24 <unfinished ...>
[pid  6222] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6226] <... bpf resumed>)          = 3
[pid  6223] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6222] close(25 <unfinished ...>
[pid  6224] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6225] close(3 <unfinished ...>
[pid  6226] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6223] close(25 <unfinished ...>
[pid  6222] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6226] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6225] <... close resumed>)        = 0
[pid  6224] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6223] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6222] close(26 <unfinished ...>
[pid  6225] close(4 <unfinished ...>
[pid  6224] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6223] close(26 <unfinished ...>
[pid  6222] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6226] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6225] <... close resumed>)        = 0
[pid  6224] <... bpf resumed>)          = 4
[pid  6223] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6222] close(27 <unfinished ...>
[pid  6225] close(5 <unfinished ...>
[pid  6226] <... bpf resumed>)          = 4
[pid  6223] close(27 <unfinished ...>
[pid  6226] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6224] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6222] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6223] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6222] close(28 <unfinished ...>
[pid  6224] <... bpf resumed>)          = 5
[pid  6223] close(28 <unfinished ...>
[pid  6222] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6226] <... bpf resumed>)          = 5
[pid  6225] <... close resumed>)        = 0
[pid  6224] close(3 <unfinished ...>
[pid  6223] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6222] close(29 <unfinished ...>
[pid  6226] close(3 <unfinished ...>
[pid  6224] <... close resumed>)        = 0
[pid  6223] close(29 <unfinished ...>
[pid  6222] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6226] <... close resumed>)        = 0
[pid  6224] close(4 <unfinished ...>
[pid  6223] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6226] close(4 <unfinished ...>
[pid  6225] close(6 <unfinished ...>
[pid  6224] <... close resumed>)        = 0
[pid  6223] exit_group(0 <unfinished ...>
[pid  6222] exit_group(0 <unfinished ...>
[pid  6226] <... close resumed>)        = 0
[pid  6225] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6224] close(5 <unfinished ...>
[pid  6223] <... exit_group resumed>)   = ?
[pid  6222] <... exit_group resumed>)   = ?
[pid  6226] close(5 <unfinished ...>
[pid  6225] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  6225] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  6225] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  6225] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  6225] close(11 <unfinished ...>
[pid  6223] +++ exited with 0 +++
[pid  6225] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6226] <... close resumed>)        = 0
[pid  6225] close(12 <unfinished ...>
[pid  6222] +++ exited with 0 +++
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=72, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6224] <... close resumed>)        = 0
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6226] close(6 <unfinished ...>
[pid  6224] close(6 <unfinished ...>
[pid  6226] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6224] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6226] close(7 <unfinished ...>
[pid  6224] close(7 <unfinished ...>
[pid  6226] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6224] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6226] close(8 <unfinished ...>
[pid  6224] close(8 <unfinished ...>
[pid  6226] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6224] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6226] close(9 <unfinished ...>
[pid  6224] close(9 <unfinished ...>
[pid  6226] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6224] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6226] close(10 <unfinished ...>
[pid  6225] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6224] close(10 <unfinished ...>
[pid  6226] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6225] close(13 <unfinished ...>
[pid  6224] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6226] close(11 <unfinished ...>
[pid  6225] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6224] close(11 <unfinished ...>
[pid  6225] close(14 <unfinished ...>
[pid  6226] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6225] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6224] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6226] close(12 <unfinished ...>
[pid  6225] close(15 <unfinished ...>
[pid  6224] close(12 <unfinished ...>
[pid  6226] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6225] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6224] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6226] close(13 <unfinished ...>
[pid  6225] close(16 <unfinished ...>
[pid  6224] close(13 <unfinished ...>
[pid  6226] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6225] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6224] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6226] close(14 <unfinished ...>
[pid  6225] close(17 <unfinished ...>
[pid  6224] close(14 <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6226] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6225] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6224] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  6226] close(15 <unfinished ...>
[pid  6225] close(18 <unfinished ...>
[pid  6224] close(15 <unfinished ...>
[pid  6226] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6225] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6224] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6226] close(16 <unfinished ...>
[pid  6225] close(19 <unfinished ...>
[pid  6224] close(16 <unfinished ...>
[pid  5855] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6226] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6225] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6224] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6226] close(17 <unfinished ...>
[pid  6225] close(20 <unfinished ...>
[pid  6224] close(17 <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6226] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6225] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6224] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... openat resumed>)       = 3
[pid  5854] <... openat resumed>)       = 3
[pid  6226] close(18 <unfinished ...>
[pid  6225] close(21 <unfinished ...>
[pid  6224] close(18 <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  6226] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6225] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6224] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6224] close(19 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] newfstatat(AT_FDCWD, "./71/binderfs",  <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./70/binderfs",  <unfinished ...>
[pid  6226] close(19 <unfinished ...>
[pid  6225] close(22 <unfinished ...>
[pid  6224] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6226] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6225] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6224] close(20 <unfinished ...>
[pid  5855] unlink("./71/binderfs" <unfinished ...>
[pid  6226] close(20 <unfinished ...>
[pid  6225] close(23 <unfinished ...>
[pid  6224] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6226] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6224] close(21 <unfinished ...>
[pid  6226] close(21 <unfinished ...>
[pid  6225] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6226] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6224] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6226] close(22 <unfinished ...>
[pid  6225] close(24 <unfinished ...>
[pid  6224] close(22 <unfinished ...>
[pid  6226] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6225] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6224] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6226] close(23 <unfinished ...>
[pid  6225] close(25 <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] unlink("./70/binderfs" <unfinished ...>
[pid  6226] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6225] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6224] close(23 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  6226] close(24 <unfinished ...>
[pid  6225] close(26 <unfinished ...>
[pid  6224] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6226] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6225] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6224] close(24 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6226] close(25 <unfinished ...>
[pid  6225] close(27 <unfinished ...>
[pid  6224] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... close resumed>)        = 0
[pid  5854] close(3 <unfinished ...>
[pid  6226] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6225] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6224] close(25 <unfinished ...>
[pid  5855] rmdir("./71" <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  6226] close(26 <unfinished ...>
[pid  6225] close(28 <unfinished ...>
[pid  6224] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] rmdir("./70" <unfinished ...>
[pid  6226] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6225] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6224] close(26 <unfinished ...>
[pid  5855] mkdir("./72", 0777 <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  6226] close(27 <unfinished ...>
[pid  6225] close(29 <unfinished ...>
[pid  6224] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] mkdir("./71", 0777 <unfinished ...>
[pid  6226] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6225] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6224] close(27 <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  6226] close(28 <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6227 attached
./strace-static-x86_64: Process 6228 attached
 <unfinished ...>
[pid  6226] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6225] exit_group(0 <unfinished ...>
[pid  6224] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6226] close(29 <unfinished ...>
[pid  6225] <... exit_group resumed>)   = ?
[pid  6224] close(28 <unfinished ...>
[pid  6226] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 74
[pid  6228] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6227] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6226] exit_group(0 <unfinished ...>
[pid  6225] +++ exited with 0 +++
[pid  6224] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 73
[pid  6228] <... set_robust_list resumed>) = 0
[pid  6227] <... set_robust_list resumed>) = 0
[pid  6226] <... exit_group resumed>)   = ?
[pid  6224] close(29 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6228] chdir("./71" <unfinished ...>
[pid  6227] chdir("./72" <unfinished ...>
[pid  6226] +++ exited with 0 +++
[pid  6224] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6228] <... chdir resumed>)        = 0
[pid  6227] <... chdir resumed>)        = 0
[pid  6224] exit_group(0 <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6228] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6227] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6228] <... prctl resumed>)        = 0
[pid  6227] <... prctl resumed>)        = 0
[pid  6224] <... exit_group resumed>)   = ?
[pid  6228] setpgid(0, 0 <unfinished ...>
[pid  6227] setpgid(0, 0 <unfinished ...>
[pid  6224] +++ exited with 0 +++
[pid  6228] <... setpgid resumed>)      = 0
[pid  6227] <... setpgid resumed>)      = 0
[pid  6228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6228] <... openat resumed>)       = 3
[pid  6227] <... openat resumed>)       = 3
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6228] write(3, "1000", 4 <unfinished ...>
[pid  6227] write(3, "1000", 4 <unfinished ...>
[pid  6228] <... write resumed>)        = 4
[pid  6227] <... write resumed>)        = 4
[pid  6228] close(3 <unfinished ...>
[pid  6227] close(3 <unfinished ...>
[pid  6228] <... close resumed>)        = 0
[pid  6227] <... close resumed>)        = 0
[pid  6228] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6227] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6228] <... symlink resumed>)      = 0
[pid  6227] <... symlink resumed>)      = 0
executing program
[pid  6228] write(1, "executing program\n", 18) = 18
[pid  6227] write(1, "executing program\n", 18 <unfinished ...>
[pid  5853] <... restart_syscall resumed>) = 0
executing program
[pid  6228] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6227] <... write resumed>)        = 18
[pid  6228] <... bpf resumed>)          = 3
[pid  6227] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6228] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5857] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6228] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6227] <... bpf resumed>)          = 3
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6228] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6227] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6228] <... bpf resumed>)          = 4
[pid  6227] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5857] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5856] <... openat resumed>)       = 3
[pid  6228] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6227] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  6228] <... bpf resumed>)          = 5
[pid  6227] <... bpf resumed>)          = 4
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5857] getdents64(3, 0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5857] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6228] close(3 <unfinished ...>
[pid  6227] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6228] <... close resumed>)        = 0
[pid  6227] <... bpf resumed>)          = 5
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6228] close(4 <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./72/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] unlink("./72/binderfs" <unfinished ...>
[pid  5853] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6228] <... close resumed>)        = 0
[pid  6227] close(3 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6228] close(5 <unfinished ...>
[pid  6227] <... close resumed>)        = 0
[pid  5856] newfstatat(AT_FDCWD, "./72/binderfs",  <unfinished ...>
[pid  6227] close(4 <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] newfstatat(AT_FDCWD, "./71/binderfs",  <unfinished ...>
[pid  6228] <... close resumed>)        = 0
[pid  6227] <... close resumed>)        = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] unlink("./72/binderfs" <unfinished ...>
[pid  6228] close(6 <unfinished ...>
[pid  6227] close(5 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6228] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6227] <... close resumed>)        = 0
[pid  5857] close(3 <unfinished ...>
[pid  5853] unlink("./71/binderfs" <unfinished ...>
[pid  6228] close(7 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  6227] close(6 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5857] rmdir("./72" <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  6228] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6227] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6227] close(7 <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  6228] close(8 <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6228] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6227] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] mkdir("./73", 0777 <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6228] close(9 <unfinished ...>
[pid  6227] close(8 <unfinished ...>
[pid  5856] rmdir("./72" <unfinished ...>
[pid  6228] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6227] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] <... rmdir resumed>)        = 0
[pid  5853] close(3 <unfinished ...>
[pid  6228] close(10 <unfinished ...>
[pid  6227] close(9 <unfinished ...>
[pid  5856] mkdir("./73", 0777 <unfinished ...>
[pid  6228] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6227] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5853] <... close resumed>)        = 0
[pid  6228] close(11 <unfinished ...>
[pid  5853] rmdir("./71" <unfinished ...>
[pid  6228] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6227] close(10 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6230 attached
./strace-static-x86_64: Process 6229 attached
 <unfinished ...>
[pid  6228] close(12 <unfinished ...>
[pid  6227] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... rmdir resumed>)        = 0
[pid  6228] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6228] close(13 <unfinished ...>
[pid  6227] close(11 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 75
[pid  5853] mkdir("./72", 0777 <unfinished ...>
[pid  6228] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6227] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] <... set_robust_list resumed>) = 0
[pid  6227] close(12 <unfinished ...>
[pid  6230] chdir("./73" <unfinished ...>
[pid  6229] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6228] close(14 <unfinished ...>
[pid  6227] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... mkdir resumed>)        = 0
[pid  6229] <... set_robust_list resumed>) = 0
[pid  6228] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6230] <... chdir resumed>)        = 0
[pid  6227] close(13 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 75
[pid  6230] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6229] chdir("./73" <unfinished ...>
[pid  6228] close(15 <unfinished ...>
[pid  6227] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] <... prctl resumed>)        = 0
[pid  6227] close(14 <unfinished ...>
[pid  6230] setpgid(0, 0 <unfinished ...>
[pid  6227] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] <... setpgid resumed>)      = 0
[pid  6227] close(15 <unfinished ...>
[pid  6230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6227] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6227] close(16./strace-static-x86_64: Process 6231 attached
 <unfinished ...>
[pid  6228] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6227] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6231] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6229] <... chdir resumed>)        = 0
[pid  6228] close(16 <unfinished ...>
[pid  6231] <... set_robust_list resumed>) = 0
[pid  6229] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6228] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6229] <... prctl resumed>)        = 0
[pid  6228] close(17 <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 74
[pid  6229] setpgid(0, 0 <unfinished ...>
[pid  6228] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6229] <... setpgid resumed>)      = 0
[pid  6228] close(18 <unfinished ...>
[pid  6231] chdir("./72" <unfinished ...>
[pid  6230] <... openat resumed>)       = 3
[pid  6228] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6227] close(17 <unfinished ...>
[pid  6230] write(3, "1000", 4 <unfinished ...>
[pid  6229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6228] close(19 <unfinished ...>
[pid  6227] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] <... write resumed>)        = 4
[pid  6231] <... chdir resumed>)        = 0
[pid  6228] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6227] close(18 <unfinished ...>
[pid  6231] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6230] close(3 <unfinished ...>
[pid  6228] close(20 <unfinished ...>
[pid  6227] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6231] <... prctl resumed>)        = 0
[pid  6230] <... close resumed>)        = 0
[pid  6229] <... openat resumed>)       = 3
[pid  6228] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6227] close(19 <unfinished ...>
[pid  6231] setpgid(0, 0 <unfinished ...>
[pid  6230] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6229] write(3, "1000", 4 <unfinished ...>
[pid  6228] close(21 <unfinished ...>
[pid  6227] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6231] <... setpgid resumed>)      = 0
[pid  6230] <... symlink resumed>)      = 0
[pid  6229] <... write resumed>)        = 4
executing program
[pid  6228] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6227] close(20 <unfinished ...>
[pid  6228] close(22 <unfinished ...>
[pid  6227] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] write(1, "executing program\n", 18 <unfinished ...>
[pid  6228] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6227] close(21 <unfinished ...>
[pid  6229] close(3 <unfinished ...>
[pid  6228] close(23 <unfinished ...>
[pid  6230] <... write resumed>)        = 18
[pid  6227] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6229] <... close resumed>)        = 0
[pid  6228] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6227] close(22 <unfinished ...>
[pid  6230] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6228] close(24 <unfinished ...>
[pid  6229] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6227] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6228] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6227] close(23 <unfinished ...>
[pid  6228] close(25 <unfinished ...>
[pid  6227] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] <... bpf resumed>)          = 3
[pid  6227] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  6229] <... symlink resumed>)      = 0
[pid  6228] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6227] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  6231] <... openat resumed>)       = 3
[pid  6227] close(26 <unfinished ...>
[pid  6230] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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, ...}, 144executing program
 <unfinished ...>
[pid  6228] close(26 <unfinished ...>
[pid  6227] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6227] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  6227] close(28 <unfinished ...>
[pid  6231] write(3, "1000", 4 <unfinished ...>
[pid  6229] write(1, "executing program\n", 18 <unfinished ...>
[pid  6228] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6227] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6231] <... write resumed>)        = 4
[pid  6230] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6229] <... write resumed>)        = 18
[pid  6228] close(27 <unfinished ...>
[pid  6227] close(29 <unfinished ...>
[pid  6231] close(3 <unfinished ...>
[pid  6230] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6229] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6227] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6231] <... close resumed>)        = 0
[pid  6229] <... bpf resumed>)          = 3
[pid  6228] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6227] exit_group(0 <unfinished ...>
[pid  6231] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6228] close(28 <unfinished ...>
[pid  6227] <... exit_group resumed>)   = ?
[pid  6231] <... symlink resumed>)      = 0
[pid  6230] <... bpf resumed>)          = 4
executing program
[pid  6229] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6228] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6227] +++ exited with 0 +++
[pid  6231] write(1, "executing program\n", 18 <unfinished ...>
[pid  6230] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6231] <... write resumed>)        = 18
[pid  6228] close(29 <unfinished ...>
[pid  6229] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6231] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6229] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6228] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6230] <... bpf resumed>)          = 5
[pid  6228] exit_group(0 <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6228] <... exit_group resumed>)   = ?
[pid  6231] <... bpf resumed>)          = 3
[pid  6231] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6230] close(3 <unfinished ...>
[pid  6229] <... bpf resumed>)          = 4
[pid  6228] +++ exited with 0 +++
[pid  5855] <... restart_syscall resumed>) = 0
[pid  6231] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6230] <... close resumed>)        = 0
[pid  6229] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6231] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6230] close(4 <unfinished ...>
[pid  6231] <... bpf resumed>)          = 4
[pid  6230] <... close resumed>)        = 0
[pid  6229] <... bpf resumed>)          = 5
[pid  6230] close(5 <unfinished ...>
[pid  5855] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  6229] close(3 <unfinished ...>
[pid  5854] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6229] <... close resumed>)        = 0
[pid  5855] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6231] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6230] <... close resumed>)        = 0
[pid  6229] close(4 <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6231] <... bpf resumed>)          = 5
[pid  6229] <... close resumed>)        = 0
[pid  6230] close(6 <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6230] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... openat resumed>)       = 3
[pid  6231] close(3 <unfinished ...>
[pid  6230] close(7 <unfinished ...>
[pid  6229] close(5 <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  6231] <... close resumed>)        = 0
[pid  6230] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  6231] close(4 <unfinished ...>
[pid  6230] close(8 <unfinished ...>
[pid  6229] <... close resumed>)        = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6231] <... close resumed>)        = 0
[pid  6230] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6231] close(5 <unfinished ...>
[pid  6230] close(9 <unfinished ...>
[pid  6229] close(6 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6231] <... close resumed>)        = 0
[pid  6230] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6229] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6229] close(7 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6229] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] newfstatat(AT_FDCWD, "./72/binderfs",  <unfinished ...>
[pid  6229] close(8 <unfinished ...>
[pid  6231] close(6 <unfinished ...>
[pid  6230] close(10 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6229] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6231] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6229] close(9 <unfinished ...>
[pid  5854] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6231] close(7 <unfinished ...>
[pid  6230] close(11 <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6231] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] newfstatat(AT_FDCWD, "./71/binderfs",  <unfinished ...>
[pid  6231] close(8 <unfinished ...>
[pid  6230] close(12 <unfinished ...>
[pid  6229] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] unlink("./72/binderfs" <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6231] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6229] close(10 <unfinished ...>
[pid  5854] unlink("./71/binderfs" <unfinished ...>
[pid  6231] close(9 <unfinished ...>
[pid  6230] close(13 <unfinished ...>
[pid  6229] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  6231] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6229] close(11 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6231] close(10 <unfinished ...>
[pid  6230] close(14 <unfinished ...>
[pid  6229] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6231] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6229] close(12 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  6231] close(11 <unfinished ...>
[pid  6230] close(15 <unfinished ...>
[pid  6229] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... close resumed>)        = 0
[pid  6231] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6229] close(13 <unfinished ...>
[pid  5855] rmdir("./72" <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  6231] close(12 <unfinished ...>
[pid  6230] close(16 <unfinished ...>
[pid  6229] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] rmdir("./71" <unfinished ...>
[pid  6231] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6229] close(14 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] <... rmdir resumed>)        = 0
[pid  6231] close(13 <unfinished ...>
[pid  6230] close(17 <unfinished ...>
[pid  6229] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] mkdir("./73", 0777 <unfinished ...>
[pid  6229] close(15 <unfinished ...>
[pid  6231] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] mkdir("./72", 0777 <unfinished ...>
[pid  6231] close(14 <unfinished ...>
[pid  6230] close(18 <unfinished ...>
[pid  6229] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  6231] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6229] close(16 <unfinished ...>
[pid  6231] close(15 <unfinished ...>
[pid  6230] close(19 <unfinished ...>
[pid  6229] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6232 attached
 <unfinished ...>
[pid  6231] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6229] close(17./strace-static-x86_64: Process 6233 attached
 <unfinished ...>
[pid  6231] close(16 <unfinished ...>
[pid  6230] close(20 <unfinished ...>
[pid  6231] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6231] close(17 <unfinished ...>
[pid  6230] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6231] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] close(21 <unfinished ...>
[pid  6231] close(18 <unfinished ...>
[pid  6230] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6233] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6231] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] close(22 <unfinished ...>
[pid  6229] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6232] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 74
[pid  6233] <... set_robust_list resumed>) = 0
[pid  6232] <... set_robust_list resumed>) = 0
[pid  6231] close(19 <unfinished ...>
[pid  6230] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6229] close(18 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 75
[pid  6233] chdir("./72" <unfinished ...>
[pid  6232] chdir("./73" <unfinished ...>
[pid  6231] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] close(23 <unfinished ...>
[pid  6229] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6233] <... chdir resumed>)        = 0
[pid  6232] <... chdir resumed>)        = 0
[pid  6231] close(20 <unfinished ...>
[pid  6230] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6229] close(19 <unfinished ...>
[pid  6233] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6232] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6231] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] close(24 <unfinished ...>
[pid  6229] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6233] <... prctl resumed>)        = 0
[pid  6232] <... prctl resumed>)        = 0
[pid  6231] close(21 <unfinished ...>
[pid  6230] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6233] setpgid(0, 0 <unfinished ...>
[pid  6232] setpgid(0, 0 <unfinished ...>
[pid  6231] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] close(25 <unfinished ...>
[pid  6229] close(20 <unfinished ...>
[pid  6233] <... setpgid resumed>)      = 0
[pid  6232] <... setpgid resumed>)      = 0
[pid  6231] close(22 <unfinished ...>
[pid  6230] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6229] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6231] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] close(26 <unfinished ...>
[pid  6229] close(21 <unfinished ...>
[pid  6232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6229] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6233] <... openat resumed>)       = 3
[pid  6231] close(23 <unfinished ...>
[pid  6230] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6229] close(22 <unfinished ...>
[pid  6231] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  6231] close(24 <unfinished ...>
[pid  6230] close(28 <unfinished ...>
[pid  6233] write(3, "1000", 4 <unfinished ...>
[pid  6231] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6233] <... write resumed>)        = 4
[pid  6232] <... openat resumed>)       = 3
[pid  6231] close(25 <unfinished ...>
[pid  6230] close(29 <unfinished ...>
[pid  6229] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6233] close(3 <unfinished ...>
[pid  6232] write(3, "1000", 4 <unfinished ...>
[pid  6231] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6229] close(23 <unfinished ...>
[pid  6233] <... close resumed>)        = 0
[pid  6232] <... write resumed>)        = 4
[pid  6231] close(26 <unfinished ...>
[pid  6230] exit_group(0 <unfinished ...>
[pid  6229] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6232] close(3 <unfinished ...>
[pid  6229] close(24 <unfinished ...>
[pid  6232] <... close resumed>)        = 0
[pid  6229] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6232] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6229] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  6233] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6231] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6230] <... exit_group resumed>)   = ?
[pid  6229] close(26 <unfinished ...>
[pid  6233] <... symlink resumed>)      = 0
[pid  6232] <... symlink resumed>)      = 0
[pid  6231] close(27 <unfinished ...>
[pid  6230] +++ exited with 0 +++
[pid  6229] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
executing program
[pid  6233] write(1, "executing program\n", 18 <unfinished ...>
[pid  6232] write(1, "executing program\n", 18 <unfinished ...>
[pid  6231] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6229] close(27 <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=75, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6233] <... write resumed>)        = 18
[pid  6232] <... write resumed>)        = 18
[pid  6231] close(28 <unfinished ...>
[pid  6229] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6233] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6231] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6229] close(28 <unfinished ...>
[pid  6233] <... bpf resumed>)          = 3
[pid  6232] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6231] close(29 <unfinished ...>
[pid  6229] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6233] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6231] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6229] close(29 <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  6232] <... bpf resumed>)          = 3
[pid  6233] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6231] exit_group(0 <unfinished ...>
[pid  6229] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6233] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6232] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6231] <... exit_group resumed>)   = ?
[pid  6229] exit_group(0)               = ?
[pid  6232] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6233] <... bpf resumed>)          = 4
[pid  6231] +++ exited with 0 +++
[pid  6232] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6229] +++ exited with 0 +++
[pid  5856] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=75, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6233] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  6233] <... bpf resumed>)          = 5
[pid  6232] <... bpf resumed>)          = 4
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6232] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6233] close(3 <unfinished ...>
[pid  6232] <... bpf resumed>)          = 5
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6233] <... close resumed>)        = 0
[pid  5856] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6233] close(4 <unfinished ...>
[pid  6232] close(3 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... openat resumed>)       = 3
[pid  6233] <... close resumed>)        = 0
[pid  6232] <... close resumed>)        = 0
[pid  5856] newfstatat(AT_FDCWD, "./73/binderfs",  <unfinished ...>
[pid  6233] close(5 <unfinished ...>
[pid  6232] close(4 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6233] <... close resumed>)        = 0
[pid  6232] <... close resumed>)        = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6232] close(5 <unfinished ...>
[pid  5856] unlink("./73/binderfs" <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6233] close(6 <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  6233] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6233] close(7 <unfinished ...>
[pid  6232] <... close resumed>)        = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6233] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6233] close(8 <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  6233] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... close resumed>)        = 0
[pid  6233] close(9 <unfinished ...>
[pid  6232] close(6 <unfinished ...>
[pid  5856] rmdir("./73" <unfinished ...>
[pid  5853] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6233] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6232] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6233] close(10 <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  6232] close(7 <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6233] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6232] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] newfstatat(AT_FDCWD, "./72/binderfs",  <unfinished ...>
[pid  6233] close(11 <unfinished ...>
[pid  6232] close(8 <unfinished ...>
[pid  5856] mkdir("./74", 0777 <unfinished ...>
[pid  6233] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6232] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... mkdir resumed>)        = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6233] close(12 <unfinished ...>
[pid  6232] close(9 <unfinished ...>
[pid  5853] unlink("./72/binderfs" <unfinished ...>
[pid  6233] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6232] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6233] close(13 <unfinished ...>
[pid  6232] close(10 <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
./strace-static-x86_64: Process 6234 attached
[pid  6233] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6232] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6233] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  6233] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  6234] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6233] close(16 <unfinished ...>
[pid  6232] close(11 <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 76
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6234] <... set_robust_list resumed>) = 0
[pid  6233] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6232] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6234] chdir("./74" <unfinished ...>
[pid  6233] close(17 <unfinished ...>
[pid  6232] close(12 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6233] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6232] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] close(3 <unfinished ...>
[pid  6233] close(18 <unfinished ...>
[pid  6232] close(13 <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  6233] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6233] close(19 <unfinished ...>
[pid  5853] rmdir("./72" <unfinished ...>
[pid  6233] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... rmdir resumed>)        = 0
[pid  6234] <... chdir resumed>)        = 0
[pid  6232] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6234] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6233] close(20 <unfinished ...>
[pid  6232] close(14 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6234] <... prctl resumed>)        = 0
[pid  6233] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] mkdir("./73", 0777 <unfinished ...>
[pid  6232] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6234] setpgid(0, 0 <unfinished ...>
[pid  6233] close(21 <unfinished ...>
[pid  6232] close(15 <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5853] <... mkdir resumed>)        = 0
[pid  6234] <... setpgid resumed>)      = 0
[pid  6233] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6232] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  6234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6233] close(22 <unfinished ...>
[pid  6232] close(16 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6232] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6233] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6232] close(17 <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6234] <... openat resumed>)       = 3
[pid  6233] close(23 <unfinished ...>
[pid  6232] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3, ./strace-static-x86_64: Process 6235 attached
 <unfinished ...>
[pid  6234] write(3, "1000", 4 <unfinished ...>
[pid  6233] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6232] close(18 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6232] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6232] close(19 <unfinished ...>
[pid  6235] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6234] <... write resumed>)        = 4
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6232] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6235] <... set_robust_list resumed>) = 0
[pid  6233] close(24 <unfinished ...>
[pid  6234] close(3 <unfinished ...>
[pid  6232] close(20 <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./73/binderfs",  <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 75
[pid  6235] chdir("./73" <unfinished ...>
[pid  6233] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6233] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  6235] <... chdir resumed>)        = 0
[pid  6234] <... close resumed>)        = 0
[pid  6232] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6235] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6234] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6233] close(26 <unfinished ...>
[pid  5857] unlink("./73/binderfs" <unfinished ...>
[pid  6232] close(21 <unfinished ...>
[pid  6235] <... prctl resumed>)        = 0
[pid  6233] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6232] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6233] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  6232] close(22 <unfinished ...>
[pid  6235] setpgid(0, 0 <unfinished ...>
[pid  6233] close(28executing program
 <unfinished ...>
[pid  6232] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... unlink resumed>)       = 0
[pid  6235] <... setpgid resumed>)      = 0
[pid  6234] <... symlink resumed>)      = 0
[pid  6233] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6232] close(23 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  6233] close(29 <unfinished ...>
[pid  6232] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6233] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6232] close(24 <unfinished ...>
[pid  6234] write(1, "executing program\n", 18 <unfinished ...>
[pid  6233] exit_group(0 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6234] <... write resumed>)        = 18
[pid  6233] <... exit_group resumed>)   = ?
[pid  6232] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6235] <... openat resumed>)       = 3
[pid  6234] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6233] +++ exited with 0 +++
[pid  6232] close(25 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  6235] write(3, "1000", 4 <unfinished ...>
[pid  6234] <... bpf resumed>)          = 3
[pid  6232] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... close resumed>)        = 0
[pid  6235] <... write resumed>)        = 4
[pid  6232] close(26 <unfinished ...>
[pid  6234] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6232] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6235] close(3 <unfinished ...>
[pid  5857] rmdir("./73" <unfinished ...>
[pid  6232] close(27 <unfinished ...>
[pid  6234] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6232] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6235] <... close resumed>)        = 0
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6232] close(28 <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6235] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6234] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6232] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] mkdir("./74", 0777 <unfinished ...>
[pid  6235] <... symlink resumed>)      = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5854] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6234] <... bpf resumed>)          = 4
[pid  6232] close(29 <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] <... mkdir resumed>)        = 0
[pid  5854] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYexecuting program
 <unfinished ...>
[pid  6235] write(1, "executing program\n", 18 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5854] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] getdents64(3, 0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5854] newfstatat(AT_FDCWD, "./72/binderfs", ./strace-static-x86_64: Process 6236 attached
 <unfinished ...>
[pid  6232] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6236] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6235] <... write resumed>)        = 18
[pid  5854] unlink("./72/binderfs" <unfinished ...>
[pid  6236] <... set_robust_list resumed>) = 0
[pid  6232] exit_group(0 <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  6236] chdir("./74" <unfinished ...>
[pid  6235] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6234] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6232] <... exit_group resumed>)   = ?
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 76
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6236] <... chdir resumed>)        = 0
[pid  6235] <... bpf resumed>)          = 3
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6236] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  6236] <... prctl resumed>)        = 0
[pid  6234] <... bpf resumed>)          = 5
[pid  5854] <... close resumed>)        = 0
[pid  6236] setpgid(0, 0 <unfinished ...>
[pid  5854] rmdir("./72" <unfinished ...>
[pid  6236] <... setpgid resumed>)      = 0
[pid  5854] <... rmdir resumed>)        = 0
[pid  6236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5854] mkdir("./73", 0777 <unfinished ...>
[pid  6236] <... openat resumed>)       = 3
[pid  6235] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6234] close(3 <unfinished ...>
[pid  6232] +++ exited with 0 +++
[pid  5854] <... mkdir resumed>)        = 0
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=75, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6236] write(3, "1000", 4 <unfinished ...>
[pid  6235] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6236] <... write resumed>)        = 4
[pid  6235] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6234] <... close resumed>)        = 0
./strace-static-x86_64: Process 6237 attached
[pid  6236] close(3)                    = 0
[pid  6236] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  6237] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6236] write(1, "executing program\n", 18 <unfinished ...>
[pid  6235] <... bpf resumed>)          = 4
[pid  6234] close(4 <unfinished ...>
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 75
[pid  6237] <... set_robust_list resumed>) = 0
[pid  6236] <... write resumed>)        = 18
[pid  6235] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6234] <... close resumed>)        = 0
[pid  6237] chdir("./73" <unfinished ...>
[pid  6236] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6234] close(5 <unfinished ...>
[pid  6237] <... chdir resumed>)        = 0
[pid  6236] <... bpf resumed>)          = 3
[pid  6235] <... bpf resumed>)          = 5
[pid  6236] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6234] <... close resumed>)        = 0
[pid  6237] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6236] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6235] close(3 <unfinished ...>
[pid  6234] close(6 <unfinished ...>
[pid  6237] <... prctl resumed>)        = 0
[pid  6237] setpgid(0, 0 <unfinished ...>
[pid  6236] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6237] <... setpgid resumed>)      = 0
[pid  6236] <... bpf resumed>)          = 4
[pid  6235] <... close resumed>)        = 0
[pid  6234] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6235] close(4 <unfinished ...>
[pid  6234] close(7 <unfinished ...>
[pid  6236] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6235] <... close resumed>)        = 0
[pid  6234] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6237] <... openat resumed>)       = 3
[pid  6236] <... bpf resumed>)          = 5
[pid  6235] close(5 <unfinished ...>
[pid  6234] close(8 <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6234] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6237] write(3, "1000", 4 <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  6234] close(9 <unfinished ...>
[pid  6237] <... write resumed>)        = 4
[pid  6234] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6237] close(3 <unfinished ...>
[pid  6234] close(10 <unfinished ...>
[pid  6237] <... close resumed>)        = 0
[pid  6234] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6237] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6236] close(3 <unfinished ...>
[pid  6235] <... close resumed>)        = 0
[pid  6234] close(11 <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  6237] <... symlink resumed>)      = 0
[pid  6236] <... close resumed>)        = 0
[pid  6234] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
executing program
[pid  6237] write(1, "executing program\n", 18 <unfinished ...>
[pid  6236] close(4 <unfinished ...>
[pid  6235] close(6 <unfinished ...>
[pid  6234] close(12 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6237] <... write resumed>)        = 18
[pid  6236] <... close resumed>)        = 0
[pid  6235] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6234] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6236] close(5 <unfinished ...>
[pid  6235] close(7 <unfinished ...>
[pid  6234] close(13 <unfinished ...>
[pid  5855] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6237] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6236] <... close resumed>)        = 0
[pid  6235] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6234] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6237] <... bpf resumed>)          = 3
[pid  6235] close(8 <unfinished ...>
[pid  6234] close(14 <unfinished ...>
[pid  6235] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6234] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] newfstatat(AT_FDCWD, "./73/binderfs",  <unfinished ...>
[pid  6237] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6236] close(6 <unfinished ...>
[pid  6235] close(9 <unfinished ...>
[pid  6234] close(15 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6236] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6235] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6236] close(7 <unfinished ...>
[pid  6235] close(10 <unfinished ...>
[pid  5855] unlink("./73/binderfs" <unfinished ...>
[pid  6236] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6237] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6236] close(8 <unfinished ...>
[pid  6235] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6234] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... unlink resumed>)       = 0
[pid  6237] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6236] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6235] close(11 <unfinished ...>
[pid  6234] close(16 <unfinished ...>
[pid  6236] close(9 <unfinished ...>
[pid  6235] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6234] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6236] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6235] close(12 <unfinished ...>
[pid  6234] close(17 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6236] close(10 <unfinished ...>
[pid  6235] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6234] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] close(3 <unfinished ...>
[pid  6236] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6235] close(13 <unfinished ...>
[pid  6234] close(18 <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  6236] close(11 <unfinished ...>
[pid  6235] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6234] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] rmdir("./73" <unfinished ...>
[pid  6237] <... bpf resumed>)          = 4
[pid  6236] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6235] close(14 <unfinished ...>
[pid  6234] close(19 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  6237] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6236] close(12 <unfinished ...>
[pid  6235] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6234] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6236] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6235] close(15 <unfinished ...>
[pid  6234] close(20 <unfinished ...>
[pid  5855] mkdir("./74", 0777 <unfinished ...>
[pid  6237] <... bpf resumed>)          = 5
[pid  6236] close(13 <unfinished ...>
[pid  6235] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6234] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... mkdir resumed>)        = 0
[pid  6236] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6235] close(16 <unfinished ...>
[pid  6236] close(14 <unfinished ...>
[pid  6237] close(3 <unfinished ...>
[pid  6236] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6235] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6234] close(21 <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6237] <... close resumed>)        = 0
[pid  6236] close(15 <unfinished ...>
[pid  6235] close(17 <unfinished ...>
[pid  6234] <... close resumed>)        = -1 EBADF (Bad file descriptor)
./strace-static-x86_64: Process 6238 attached
[pid  6237] close(4 <unfinished ...>
[pid  6236] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6235] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6234] close(22 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 76
[pid  6238] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6237] <... close resumed>)        = 0
[pid  6236] close(16 <unfinished ...>
[pid  6235] close(18 <unfinished ...>
[pid  6234] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6238] <... set_robust_list resumed>) = 0
[pid  6237] close(5 <unfinished ...>
[pid  6236] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6235] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6234] close(23 <unfinished ...>
[pid  6235] close(19 <unfinished ...>
[pid  6236] close(17 <unfinished ...>
[pid  6235] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6234] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6237] <... close resumed>)        = 0
[pid  6236] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6235] close(20 <unfinished ...>
[pid  6234] close(24 <unfinished ...>
[pid  6238] chdir("./74" <unfinished ...>
[pid  6237] close(6)                    = -1 EBADF (Bad file descriptor)
[pid  6238] <... chdir resumed>)        = 0
[pid  6237] close(7 <unfinished ...>
[pid  6236] close(18 <unfinished ...>
[pid  6235] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6234] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6237] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6236] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6238] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6237] close(8 <unfinished ...>
[pid  6236] close(19 <unfinished ...>
[pid  6235] close(21 <unfinished ...>
[pid  6234] close(25 <unfinished ...>
[pid  6238] <... prctl resumed>)        = 0
[pid  6237] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6236] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6235] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6234] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6238] setpgid(0, 0 <unfinished ...>
[pid  6237] close(9 <unfinished ...>
[pid  6236] close(20 <unfinished ...>
[pid  6235] close(22 <unfinished ...>
[pid  6234] close(26 <unfinished ...>
[pid  6238] <... setpgid resumed>)      = 0
[pid  6235] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6237] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6236] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6235] close(23 <unfinished ...>
[pid  6234] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6237] close(10 <unfinished ...>
[pid  6236] close(21 <unfinished ...>
[pid  6238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6237] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6236] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6237] close(11 <unfinished ...>
[pid  6236] close(22 <unfinished ...>
[pid  6237] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6236] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6237] close(12 <unfinished ...>
[pid  6236] close(23 <unfinished ...>
[pid  6237] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6236] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6237] close(13 <unfinished ...>
[pid  6236] close(24 <unfinished ...>
[pid  6237] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6236] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6237] close(14 <unfinished ...>
[pid  6236] close(25 <unfinished ...>
[pid  6237] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6236] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6237] close(15 <unfinished ...>
[pid  6236] close(26 <unfinished ...>
[pid  6237] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6236] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6235] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6234] close(27 <unfinished ...>
[pid  6238] <... openat resumed>)       = 3
[pid  6237] close(16 <unfinished ...>
[pid  6236] close(27 <unfinished ...>
[pid  6235] close(24 <unfinished ...>
[pid  6234] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6238] write(3, "1000", 4 <unfinished ...>
[pid  6237] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6236] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6235] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6234] close(28 <unfinished ...>
[pid  6238] <... write resumed>)        = 4
[pid  6237] close(17 <unfinished ...>
[pid  6236] close(28 <unfinished ...>
[pid  6235] close(25 <unfinished ...>
[pid  6234] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6238] close(3 <unfinished ...>
[pid  6237] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6236] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6235] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6234] close(29 <unfinished ...>
[pid  6238] <... close resumed>)        = 0
[pid  6237] close(18 <unfinished ...>
[pid  6236] close(29 <unfinished ...>
[pid  6235] close(26 <unfinished ...>
[pid  6234] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6238] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6235] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6237] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6236] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6235] close(27 <unfinished ...>
[pid  6234] exit_group(0 <unfinished ...>
[pid  6238] <... symlink resumed>)      = 0
[pid  6237] close(19 <unfinished ...>
[pid  6236] exit_group(0executing program
 <unfinished ...>
[pid  6235] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6234] <... exit_group resumed>)   = ?
[pid  6238] write(1, "executing program\n", 18 <unfinished ...>
[pid  6237] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6236] <... exit_group resumed>)   = ?
[pid  6235] close(28 <unfinished ...>
[pid  6238] <... write resumed>)        = 18
[pid  6237] close(20 <unfinished ...>
[pid  6236] +++ exited with 0 +++
[pid  6235] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6234] +++ exited with 0 +++
[pid  6238] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6237] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6235] close(29 <unfinished ...>
[pid  6238] <... bpf resumed>)          = 3
[pid  6237] close(21 <unfinished ...>
[pid  6235] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6238] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6237] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6238] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6237] close(22 <unfinished ...>
[pid  6235] exit_group(0 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6238] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6235] <... exit_group resumed>)   = ?
[pid  6237] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6237] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  6237] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  6237] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  6237] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  6237] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  6237] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  6237] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  6237] exit_group(0)               = ?
[pid  6238] <... bpf resumed>)          = 4
[pid  6237] +++ exited with 0 +++
[pid  6235] +++ exited with 0 +++
[pid  6238] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=75, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=75, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  6238] <... bpf resumed>)          = 5
[pid  5856] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6238] close(3 <unfinished ...>
[pid  5853] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6238] <... close resumed>)        = 0
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5856] <... openat resumed>)       = 3
[pid  6238] close(4 <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5853] <... openat resumed>)       = 3
[pid  6238] <... close resumed>)        = 0
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6238] close(5 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6238] <... close resumed>)        = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5854] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  6238] close(6 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6238] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] newfstatat(AT_FDCWD, "./73/binderfs",  <unfinished ...>
[pid  5853] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6238] close(7 <unfinished ...>
[pid  5857] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6238] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] unlink("./73/binderfs" <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6238] close(8 <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./74/binderfs",  <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./74/binderfs",  <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] newfstatat(AT_FDCWD, "./73/binderfs",  <unfinished ...>
[pid  6238] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6238] close(9 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] unlink("./73/binderfs" <unfinished ...>
[pid  6238] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] unlink("./74/binderfs" <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6238] close(10 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  5857] <... unlink resumed>)       = 0
[pid  5854] close(3)                    = 0
[pid  5854] rmdir("./73")               = 0
[pid  6238] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] unlink("./74/binderfs" <unfinished ...>
[pid  5854] mkdir("./74", 0777 <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6238] close(11 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6238] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] close(3 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  6238] close(12 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6238] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] rmdir("./74" <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  6238] close(13 <unfinished ...>
[pid  5853] rmdir("./73" <unfinished ...>
[pid  6238] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... close resumed>)        = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  6238] close(14 <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] rmdir("./74" <unfinished ...>
[pid  6238] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... rmdir resumed>)        = 0
[pid  5853] mkdir("./74", 0777./strace-static-x86_64: Process 6239 attached
 <unfinished ...>
[pid  6238] close(15 <unfinished ...>
[pid  5857] mkdir("./75", 0777 <unfinished ...>
[pid  6238] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] mkdir("./75", 0777 <unfinished ...>
[pid  6239] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6238] close(16 <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 76
[pid  5853] <... mkdir resumed>)        = 0
[pid  6239] <... set_robust_list resumed>) = 0
[pid  6238] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6238] close(17 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6239] chdir("./74" <unfinished ...>
[pid  6238] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... mkdir resumed>)        = 0
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6240 attached
 <unfinished ...>
[pid  6239] <... chdir resumed>)        = 0
./strace-static-x86_64: Process 6242 attached
[pid  6238] close(18./strace-static-x86_64: Process 6241 attached
 <unfinished ...>
[pid  6242] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6240] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6239] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6238] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 77
[pid  6242] <... set_robust_list resumed>) = 0
[pid  6241] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6240] <... set_robust_list resumed>) = 0
[pid  6238] close(19 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 77
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 76
[pid  6242] chdir("./75" <unfinished ...>
[pid  6239] <... prctl resumed>)        = 0
[pid  6238] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6242] <... chdir resumed>)        = 0
[pid  6241] <... set_robust_list resumed>) = 0
[pid  6240] chdir("./74" <unfinished ...>
[pid  6239] setpgid(0, 0 <unfinished ...>
[pid  6238] close(20 <unfinished ...>
[pid  6242] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6241] chdir("./75" <unfinished ...>
[pid  6240] <... chdir resumed>)        = 0
[pid  6239] <... setpgid resumed>)      = 0
[pid  6238] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6242] <... prctl resumed>)        = 0
[pid  6241] <... chdir resumed>)        = 0
[pid  6240] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6238] close(21 <unfinished ...>
[pid  6242] setpgid(0, 0 <unfinished ...>
[pid  6241] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6240] <... prctl resumed>)        = 0
[pid  6238] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6242] <... setpgid resumed>)      = 0
[pid  6241] <... prctl resumed>)        = 0
[pid  6240] setpgid(0, 0 <unfinished ...>
[pid  6238] close(22 <unfinished ...>
[pid  6239] <... openat resumed>)       = 3
[pid  6238] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6241] setpgid(0, 0 <unfinished ...>
[pid  6240] <... setpgid resumed>)      = 0
[pid  6239] write(3, "1000", 4 <unfinished ...>
[pid  6238] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  6240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6239] <... write resumed>)        = 4
[pid  6238] close(24 <unfinished ...>
[pid  6241] <... setpgid resumed>)      = 0
[pid  6238] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6242] <... openat resumed>)       = 3
[pid  6241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6240] <... openat resumed>)       = 3
[pid  6239] close(3 <unfinished ...>
[pid  6238] close(25 <unfinished ...>
[pid  6241] <... openat resumed>)       = 3
[pid  6238] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6238] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  6240] write(3, "1000", 4 <unfinished ...>
[pid  6238] close(27 <unfinished ...>
[pid  6241] write(3, "1000", 4 <unfinished ...>
[pid  6240] <... write resumed>)        = 4
[pid  6238] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6241] <... write resumed>)        = 4
[pid  6240] close(3 <unfinished ...>
[pid  6238] close(28 <unfinished ...>
[pid  6241] close(3 <unfinished ...>
[pid  6240] <... close resumed>)        = 0
[pid  6238] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6241] <... close resumed>)        = 0
[pid  6240] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6238] close(29 <unfinished ...>
[pid  6241] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6240] <... symlink resumed>)      = 0
[pid  6238] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6242] write(3, "1000", 4 <unfinished ...>
[pid  6241] <... symlink resumed>)      = 0
[pid  6239] <... close resumed>)        = 0
executing program
executing program
[pid  6242] <... write resumed>)        = 4
[pid  6239] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6242] close(3 <unfinished ...>
[pid  6241] write(1, "executing program\n", 18 <unfinished ...>
[pid  6240] write(1, "executing program\n", 18 <unfinished ...>
[pid  6238] exit_group(0 <unfinished ...>
[pid  6239] <... symlink resumed>)      = 0
[pid  6242] <... close resumed>)        = 0
[pid  6241] <... write resumed>)        = 18
[pid  6240] <... write resumed>)        = 18
[pid  6238] <... exit_group resumed>)   = ?
[pid  6242] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6241] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6240] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6239] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6238] +++ exited with 0 +++
[pid  6242] <... symlink resumed>)      = 0
[pid  6241] <... bpf resumed>)          = 3
[pid  6240] <... bpf resumed>)          = 3
[pid  6239] <... write resumed>)        = 18
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
executing program
[pid  6242] write(1, "executing program\n", 18 <unfinished ...>
[pid  6241] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6240] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6239] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6242] <... write resumed>)        = 18
[pid  6241] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6242] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6241] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6240] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6239] <... bpf resumed>)          = 3
[pid  5855] <... restart_syscall resumed>) = 0
[pid  6242] <... bpf resumed>)          = 3
[pid  6240] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6239] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6242] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6241] <... bpf resumed>)          = 4
[pid  6239] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6242] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6241] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6240] <... bpf resumed>)          = 4
[pid  6239] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6242] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6241] <... bpf resumed>)          = 5
[pid  6240] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6239] <... bpf resumed>)          = 4
[pid  5855] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6242] <... bpf resumed>)          = 4
[pid  6239] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6242] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6239] <... bpf resumed>)          = 5
[pid  6242] <... bpf resumed>)          = 5
[pid  6242] close(3 <unfinished ...>
[pid  6240] <... bpf resumed>)          = 5
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6240] close(3 <unfinished ...>
[pid  6241] close(3 <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6240] <... close resumed>)        = 0
[pid  6242] <... close resumed>)        = 0
[pid  6239] close(3 <unfinished ...>
[pid  6242] close(4 <unfinished ...>
[pid  6241] <... close resumed>)        = 0
[pid  6240] close(4 <unfinished ...>
[pid  6239] <... close resumed>)        = 0
[pid  5855] <... openat resumed>)       = 3
[pid  6242] <... close resumed>)        = 0
[pid  6241] close(4 <unfinished ...>
[pid  6240] <... close resumed>)        = 0
[pid  6239] close(4 <unfinished ...>
[pid  6242] close(5 <unfinished ...>
[pid  6239] <... close resumed>)        = 0
[pid  6242] <... close resumed>)        = 0
[pid  6239] close(5 <unfinished ...>
[pid  6242] close(6 <unfinished ...>
[pid  6239] <... close resumed>)        = 0
[pid  6242] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6239] close(6 <unfinished ...>
[pid  6242] close(7 <unfinished ...>
[pid  6241] <... close resumed>)        = 0
[pid  6240] close(5 <unfinished ...>
[pid  6239] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  6242] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6241] close(5 <unfinished ...>
[pid  6239] close(7 <unfinished ...>
[pid  6242] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  6239] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6242] close(9 <unfinished ...>
[pid  6239] close(8 <unfinished ...>
[pid  6242] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6241] <... close resumed>)        = 0
[pid  6239] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6242] close(10 <unfinished ...>
[pid  6241] close(6 <unfinished ...>
[pid  6240] <... close resumed>)        = 0
[pid  6239] close(9 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6241] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6241] close(7 <unfinished ...>
[pid  6240] close(6 <unfinished ...>
[pid  6241] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6241] close(8 <unfinished ...>
[pid  6240] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6241] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6240] close(7 <unfinished ...>
[pid  6241] close(9 <unfinished ...>
[pid  6240] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6241] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] newfstatat(AT_FDCWD, "./74/binderfs",  <unfinished ...>
[pid  6241] close(10 <unfinished ...>
[pid  6240] close(8 <unfinished ...>
[pid  6241] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6241] close(11 <unfinished ...>
[pid  6240] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6241] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6242] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6241] close(12 <unfinished ...>
[pid  6240] close(9 <unfinished ...>
[pid  6239] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] unlink("./74/binderfs" <unfinished ...>
[pid  6242] close(11 <unfinished ...>
[pid  6241] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6240] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6239] close(10 <unfinished ...>
[pid  6242] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6239] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... unlink resumed>)       = 0
[pid  6242] close(12 <unfinished ...>
[pid  6239] close(11 <unfinished ...>
[pid  6242] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6239] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6242] close(13 <unfinished ...>
[pid  6239] close(12 <unfinished ...>
[pid  6242] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6239] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6242] close(14 <unfinished ...>
[pid  6239] close(13 <unfinished ...>
[pid  6242] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6239] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6242] close(15 <unfinished ...>
[pid  6239] close(14 <unfinished ...>
[pid  6242] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6239] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6242] close(16 <unfinished ...>
[pid  6239] close(15 <unfinished ...>
[pid  6242] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6239] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6242] close(17 <unfinished ...>
[pid  6239] close(16 <unfinished ...>
[pid  6242] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6239] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6242] close(18 <unfinished ...>
[pid  6239] close(17 <unfinished ...>
[pid  6242] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6239] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6242] close(19 <unfinished ...>
[pid  6239] close(18 <unfinished ...>
[pid  6242] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6239] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6242] close(20 <unfinished ...>
[pid  6239] close(19 <unfinished ...>
[pid  6242] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6239] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6242] close(21 <unfinished ...>
[pid  6239] close(20 <unfinished ...>
[pid  6242] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6239] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6242] close(22 <unfinished ...>
[pid  6239] close(21 <unfinished ...>
[pid  6242] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6239] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6242] close(23 <unfinished ...>
[pid  6239] close(22 <unfinished ...>
[pid  6242] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6239] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6242] close(24 <unfinished ...>
[pid  6241] close(13 <unfinished ...>
[pid  6240] close(10 <unfinished ...>
[pid  6239] close(23 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6242] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6241] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6240] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6239] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6242] close(25 <unfinished ...>
[pid  6241] close(14 <unfinished ...>
[pid  6240] close(11 <unfinished ...>
[pid  6239] close(24 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  6242] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6241] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6240] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6239] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... close resumed>)        = 0
[pid  6242] close(26 <unfinished ...>
[pid  6241] close(15 <unfinished ...>
[pid  6240] close(12 <unfinished ...>
[pid  6239] close(25 <unfinished ...>
[pid  6242] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6241] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6240] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6239] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] rmdir("./74" <unfinished ...>
[pid  6242] close(27 <unfinished ...>
[pid  6241] close(16 <unfinished ...>
[pid  6240] close(13 <unfinished ...>
[pid  6239] close(26 <unfinished ...>
[pid  6242] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6241] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6240] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6239] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... rmdir resumed>)        = 0
[pid  6242] close(28 <unfinished ...>
[pid  6241] close(17 <unfinished ...>
[pid  6240] close(14 <unfinished ...>
[pid  6239] close(27 <unfinished ...>
[pid  6242] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6239] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6242] close(29 <unfinished ...>
[pid  6241] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6240] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6239] close(28 <unfinished ...>
[pid  5855] mkdir("./75", 0777 <unfinished ...>
[pid  6242] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6241] close(18 <unfinished ...>
[pid  6240] close(15 <unfinished ...>
[pid  6239] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6242] exit_group(0 <unfinished ...>
[pid  6241] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6240] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6239] close(29 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  6242] <... exit_group resumed>)   = ?
[pid  6241] close(19 <unfinished ...>
[pid  6240] close(16 <unfinished ...>
[pid  6239] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6242] +++ exited with 0 +++
[pid  6241] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6240] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6239] exit_group(0 <unfinished ...>
[pid  6241] close(20 <unfinished ...>
[pid  6240] close(17 <unfinished ...>
[pid  6239] <... exit_group resumed>)   = ?
[pid  6241] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6240] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6239] +++ exited with 0 +++
[pid  6241] close(21 <unfinished ...>
[pid  6240] close(18 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=77, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 77
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
./strace-static-x86_64: Process 6243 attached
[pid  6241] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6240] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6243] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6241] close(22 <unfinished ...>
[pid  6240] close(19 <unfinished ...>
[pid  6243] <... set_robust_list resumed>) = 0
[pid  6243] chdir("./75" <unfinished ...>
[pid  6241] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6240] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6241] close(23 <unfinished ...>
[pid  6240] close(20 <unfinished ...>
[pid  5854] <... restart_syscall resumed>) = 0
[pid  6243] <... chdir resumed>)        = 0
[pid  6241] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6240] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6243] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6241] close(24 <unfinished ...>
[pid  6240] close(21 <unfinished ...>
[pid  6243] <... prctl resumed>)        = 0
[pid  6241] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6240] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6243] setpgid(0, 0 <unfinished ...>
[pid  6241] close(25 <unfinished ...>
[pid  6240] close(22 <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6243] <... setpgid resumed>)      = 0
[pid  6241] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6240] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6241] close(26 <unfinished ...>
[pid  6240] close(23 <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  6241] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6240] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  6243] <... openat resumed>)       = 3
[pid  6241] close(27 <unfinished ...>
[pid  6240] close(24 <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6241] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6240] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6241] close(28 <unfinished ...>
[pid  6240] close(25 <unfinished ...>
[pid  6241] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6240] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6241] close(29 <unfinished ...>
[pid  6240] close(26 <unfinished ...>
[pid  6241] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6240] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6243] write(3, "1000", 4 <unfinished ...>
[pid  6240] close(27 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6243] <... write resumed>)        = 4
[pid  6241] exit_group(0 <unfinished ...>
[pid  6240] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6243] close(3 <unfinished ...>
[pid  6241] <... exit_group resumed>)   = ?
[pid  6240] close(28 <unfinished ...>
[pid  5854] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6243] <... close resumed>)        = 0
[pid  6240] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6243] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6240] close(29 <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./74/binderfs", executing program
 <unfinished ...>
[pid  6243] <... symlink resumed>)      = 0
[pid  6240] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6243] write(1, "executing program\n", 18 <unfinished ...>
[pid  6240] exit_group(0 <unfinished ...>
[pid  5854] unlink("./74/binderfs" <unfinished ...>
[pid  6243] <... write resumed>)        = 18
[pid  6240] <... exit_group resumed>)   = ?
[pid  5854] <... unlink resumed>)       = 0
[pid  6243] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6241] +++ exited with 0 +++
[pid  5857] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6243] <... bpf resumed>)          = 3
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=77, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6243] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5857] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  6243] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5857] <... openat resumed>)       = 3
[pid  6243] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  6240] +++ exited with 0 +++
[pid  6243] <... bpf resumed>)          = 4
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] rmdir("./74" <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5857] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] mkdir("./75", 0777 <unfinished ...>
[pid  6243] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... mkdir resumed>)        = 0
[pid  6243] <... bpf resumed>)          = 5
[pid  5857] newfstatat(AT_FDCWD, "./75/binderfs",  <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
./strace-static-x86_64: Process 6244 attached
[pid  5857] unlink("./75/binderfs" <unfinished ...>
[pid  6244] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6243] close(3 <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  6244] <... set_robust_list resumed>) = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  6243] <... close resumed>)        = 0
[pid  6244] chdir("./75" <unfinished ...>
[pid  6243] close(4 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6244] <... chdir resumed>)        = 0
[pid  6243] <... close resumed>)        = 0
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 77
[pid  6244] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6243] close(5 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  6244] <... prctl resumed>)        = 0
[pid  5857] <... close resumed>)        = 0
[pid  6244] setpgid(0, 0 <unfinished ...>
[pid  5857] rmdir("./75" <unfinished ...>
[pid  6244] <... setpgid resumed>)      = 0
[pid  5857] <... rmdir resumed>)        = 0
[pid  6244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] mkdir("./76", 0777 <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  6243] <... close resumed>)        = 0
[pid  6243] close(6 <unfinished ...>
[pid  5856] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6243] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6243] close(7 <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6243] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... openat resumed>)       = 3
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  6243] close(8 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6244] <... openat resumed>)       = 3
[pid  6243] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6244] write(3, "1000", 4 <unfinished ...>
[pid  6243] close(9 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6244] <... write resumed>)        = 4
[pid  6243] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6245 attached
 <unfinished ...>
[pid  6244] close(3 <unfinished ...>
[pid  6243] close(10 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6244] <... close resumed>)        = 0
[pid  6245] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 78
[pid  5856] newfstatat(AT_FDCWD, "./75/binderfs",  <unfinished ...>
[pid  6244] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6245] <... set_robust_list resumed>) = 0
executing program
[pid  6244] <... symlink resumed>)      = 0
[pid  6243] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6245] chdir("./76" <unfinished ...>
[pid  6244] write(1, "executing program\n", 18 <unfinished ...>
[pid  6243] close(11 <unfinished ...>
[pid  5856] unlink("./75/binderfs" <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  6245] <... chdir resumed>)        = 0
[pid  6244] <... write resumed>)        = 18
[pid  6243] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... unlink resumed>)       = 0
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6245] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6244] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6243] close(12 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6245] <... prctl resumed>)        = 0
[pid  6244] <... bpf resumed>)          = 3
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6245] setpgid(0, 0 <unfinished ...>
[pid  6244] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6243] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] close(3 <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6245] <... setpgid resumed>)      = 0
[pid  6244] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6243] close(13 <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6244] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6243] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] rmdir("./75" <unfinished ...>
[pid  5853] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6245] <... openat resumed>)       = 3
[pid  6244] <... bpf resumed>)          = 4
[pid  6245] write(3, "1000", 4 <unfinished ...>
[pid  6244] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6243] close(14 <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6245] <... write resumed>)        = 4
[pid  6243] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] mkdir("./76", 0777 <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./74/binderfs",  <unfinished ...>
[pid  6245] close(3 <unfinished ...>
[pid  6244] <... bpf resumed>)          = 5
[pid  6243] close(15 <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6245] <... close resumed>)        = 0
[pid  6244] close(3 <unfinished ...>
[pid  6243] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] unlink("./74/binderfs" <unfinished ...>
[pid  6245] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6244] <... close resumed>)        = 0
[pid  6243] close(16 <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
./strace-static-x86_64: Process 6246 attached
[pid  6245] <... symlink resumed>)      = 0
[pid  6244] close(4 <unfinished ...>
[pid  6243] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  6246] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6245] write(1, "executing program\n", 18 <unfinished ...>
[pid  6244] <... close resumed>)        = 0
[pid  6243] close(17 <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6246] <... set_robust_list resumed>) = 0
[pid  6245] <... write resumed>)        = 18
[pid  6244] close(5 <unfinished ...>
[pid  6243] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 78
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6243] close(18 <unfinished ...>
[pid  6244] <... close resumed>)        = 0
[pid  5853] close(3 <unfinished ...>
[pid  6245] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6243] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... close resumed>)        = 0
[pid  6246] chdir("./76" <unfinished ...>
[pid  6245] <... bpf resumed>)          = 3
[pid  6244] close(6 <unfinished ...>
[pid  6243] close(19 <unfinished ...>
[pid  5853] rmdir("./74" <unfinished ...>
[pid  6246] <... chdir resumed>)        = 0
[pid  6245] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6244] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6243] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... rmdir resumed>)        = 0
[pid  6246] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6245] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6246] <... prctl resumed>)        = 0
[pid  6244] close(7 <unfinished ...>
[pid  6243] close(20 <unfinished ...>
[pid  5853] mkdir("./75", 0777 <unfinished ...>
[pid  6245] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6246] setpgid(0, 0 <unfinished ...>
[pid  6244] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6243] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... mkdir resumed>)        = 0
[pid  6243] close(21 <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6247 attached
 <unfinished ...>
[pid  6246] <... setpgid resumed>)      = 0
[pid  6245] <... bpf resumed>)          = 4
[pid  6244] close(8 <unfinished ...>
[pid  6243] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6245] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6244] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6243] close(22 <unfinished ...>
[pid  6247] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6244] close(9 <unfinished ...>
[pid  6243] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6247] <... set_robust_list resumed>) = 0
[pid  6246] <... openat resumed>)       = 3
[pid  6244] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6243] close(23 <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 77
[pid  6247] chdir("./75" <unfinished ...>
[pid  6246] write(3, "1000", 4 <unfinished ...>
[pid  6245] <... bpf resumed>)          = 5
[pid  6244] close(10 <unfinished ...>
[pid  6243] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6247] <... chdir resumed>)        = 0
[pid  6246] <... write resumed>)        = 4
[pid  6245] close(3 <unfinished ...>
[pid  6244] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6243] close(24 <unfinished ...>
[pid  6247] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6246] close(3 <unfinished ...>
[pid  6245] <... close resumed>)        = 0
[pid  6244] close(11 <unfinished ...>
[pid  6243] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6247] <... prctl resumed>)        = 0
[pid  6246] <... close resumed>)        = 0
[pid  6245] close(4 <unfinished ...>
[pid  6244] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6243] close(25 <unfinished ...>
[pid  6247] setpgid(0, 0 <unfinished ...>
[pid  6246] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6245] <... close resumed>)        = 0
[pid  6244] close(12 <unfinished ...>
[pid  6243] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6247] <... setpgid resumed>)      = 0
[pid  6245] close(5 <unfinished ...>
[pid  6246] <... symlink resumed>)      = 0
[pid  6244] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  6247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6246] write(1, "executing program\n", 18 <unfinished ...>
[pid  6244] close(13 <unfinished ...>
[pid  6243] close(26 <unfinished ...>
[pid  6246] <... write resumed>)        = 18
[pid  6245] <... close resumed>)        = 0
[pid  6244] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6243] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6247] <... openat resumed>)       = 3
[pid  6246] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6245] close(6 <unfinished ...>
[pid  6244] close(14 <unfinished ...>
[pid  6243] close(27 <unfinished ...>
[pid  6247] write(3, "1000", 4 <unfinished ...>
[pid  6246] <... bpf resumed>)          = 3
[pid  6245] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6244] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6247] <... write resumed>)        = 4
[pid  6245] close(7 <unfinished ...>
[pid  6244] close(15 <unfinished ...>
[pid  6247] close(3 <unfinished ...>
[pid  6246] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6245] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6244] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6247] <... close resumed>)        = 0
[pid  6247] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6246] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6245] close(8 <unfinished ...>
[pid  6244] close(16 <unfinished ...>
[pid  6243] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6247] <... symlink resumed>)      = 0
[pid  6246] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6245] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6244] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6243] close(28 <unfinished ...>
executing program
[pid  6247] write(1, "executing program\n", 18 <unfinished ...>
[pid  6243] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6247] <... write resumed>)        = 18
[pid  6246] <... bpf resumed>)          = 4
[pid  6245] close(9 <unfinished ...>
[pid  6244] close(17 <unfinished ...>
[pid  6243] close(29 <unfinished ...>
[pid  6247] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6246] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6245] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6244] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6243] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6247] <... bpf resumed>)          = 3
[pid  6246] <... bpf resumed>)          = 5
[pid  6245] close(10 <unfinished ...>
[pid  6244] close(18 <unfinished ...>
[pid  6243] exit_group(0 <unfinished ...>
[pid  6247] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6246] close(3 <unfinished ...>
[pid  6245] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6244] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6243] <... exit_group resumed>)   = ?
[pid  6247] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6246] <... close resumed>)        = 0
[pid  6245] close(11 <unfinished ...>
[pid  6244] close(19 <unfinished ...>
[pid  6243] +++ exited with 0 +++
[pid  6247] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6246] close(4 <unfinished ...>
[pid  6245] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6244] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=77, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6246] <... close resumed>)        = 0
[pid  6245] close(12 <unfinished ...>
[pid  6244] close(20 <unfinished ...>
[pid  6246] close(5 <unfinished ...>
[pid  6245] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6244] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6244] close(21 <unfinished ...>
[pid  6247] <... bpf resumed>)          = 4
[pid  6247] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6246] <... close resumed>)        = 0
[pid  6245] close(13 <unfinished ...>
[pid  6244] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6245] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6247] <... bpf resumed>)          = 5
[pid  6246] close(6 <unfinished ...>
[pid  6245] close(14 <unfinished ...>
[pid  6244] close(22 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6247] close(3 <unfinished ...>
[pid  6246] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6245] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6244] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6247] <... close resumed>)        = 0
[pid  6246] close(7 <unfinished ...>
[pid  6245] close(15 <unfinished ...>
[pid  6244] close(23 <unfinished ...>
[pid  6247] close(4 <unfinished ...>
[pid  6246] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6245] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6244] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6247] <... close resumed>)        = 0
[pid  6246] close(8 <unfinished ...>
[pid  6245] close(16 <unfinished ...>
[pid  6244] close(24 <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  6247] close(5 <unfinished ...>
[pid  6246] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6245] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6244] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  6247] <... close resumed>)        = 0
[pid  6246] close(9 <unfinished ...>
[pid  6245] close(17 <unfinished ...>
[pid  6247] close(6 <unfinished ...>
[pid  6246] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6244] close(25 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6247] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6246] close(10 <unfinished ...>
[pid  6245] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6244] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6247] close(7 <unfinished ...>
[pid  6246] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6245] close(18 <unfinished ...>
[pid  6244] close(26 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6247] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6246] close(11 <unfinished ...>
[pid  6245] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6244] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6247] close(8 <unfinished ...>
[pid  6246] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6245] close(19 <unfinished ...>
[pid  6244] close(27 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6247] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6246] close(12 <unfinished ...>
[pid  6245] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6244] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6247] close(9 <unfinished ...>
[pid  6246] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6245] close(20 <unfinished ...>
[pid  6244] close(28 <unfinished ...>
[pid  6247] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6246] close(13 <unfinished ...>
[pid  6245] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6244] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6247] close(10 <unfinished ...>
[pid  6246] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6245] close(21 <unfinished ...>
[pid  6244] close(29 <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./75/binderfs",  <unfinished ...>
[pid  6247] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6246] close(14 <unfinished ...>
[pid  6245] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6244] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6247] close(11 <unfinished ...>
[pid  6246] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6245] close(22 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6247] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6246] close(15 <unfinished ...>
[pid  6245] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6244] exit_group(0 <unfinished ...>
[pid  5855] unlink("./75/binderfs" <unfinished ...>
[pid  6247] close(12 <unfinished ...>
[pid  6246] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6245] close(23 <unfinished ...>
[pid  6244] <... exit_group resumed>)   = ?
[pid  6247] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6245] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6246] close(16 <unfinished ...>
[pid  6247] close(13 <unfinished ...>
[pid  6245] close(24 <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6244] +++ exited with 0 +++
[pid  6247] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6246] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6245] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6247] close(14 <unfinished ...>
[pid  6246] close(17 <unfinished ...>
[pid  6245] close(25 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=77, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  6247] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6246] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6245] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] close(3 <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6247] close(15 <unfinished ...>
[pid  6246] close(18 <unfinished ...>
[pid  6245] close(26 <unfinished ...>
[pid  6247] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6246] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6245] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6247] close(16 <unfinished ...>
[pid  6246] close(19 <unfinished ...>
[pid  6245] close(27 <unfinished ...>
[pid  6247] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6246] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6247] close(17 <unfinished ...>
[pid  6245] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6246] close(20 <unfinished ...>
[pid  6247] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6246] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6245] close(28 <unfinished ...>
[pid  6247] close(18 <unfinished ...>
[pid  6246] close(21 <unfinished ...>
[pid  6245] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6247] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6246] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6247] close(19 <unfinished ...>
[pid  6245] close(29 <unfinished ...>
[pid  6246] close(22 <unfinished ...>
[pid  6247] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6245] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6247] close(20 <unfinished ...>
[pid  6246] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6247] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6246] close(23 <unfinished ...>
[pid  6245] exit_group(0 <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  6247] close(21 <unfinished ...>
[pid  6246] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6245] <... exit_group resumed>)   = ?
[pid  5855] rmdir("./75" <unfinished ...>
[pid  6246] close(24 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  5855] mkdir("./76", 0777 <unfinished ...>
[pid  5854] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6247] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6246] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6245] +++ exited with 0 +++
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6247] close(22 <unfinished ...>
[pid  6246] close(25 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6248 attached
 <unfinished ...>
[pid  6247] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6246] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 78
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  6248] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6247] close(23 <unfinished ...>
[pid  6246] close(26 <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6248] <... set_robust_list resumed>) = 0
[pid  6247] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6246] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6246] close(27 <unfinished ...>
[pid  5857] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6248] chdir("./76" <unfinished ...>
[pid  6247] close(24 <unfinished ...>
[pid  6246] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  6248] <... chdir resumed>)        = 0
[pid  6247] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6246] close(28 <unfinished ...>
[pid  5854] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6248] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6247] close(25 <unfinished ...>
[pid  6246] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6248] <... prctl resumed>)        = 0
[pid  6247] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6246] close(29 <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6247] close(26 <unfinished ...>
[pid  6246] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] newfstatat(AT_FDCWD, "./75/binderfs",  <unfinished ...>
[pid  6248] setpgid(0, 0 <unfinished ...>
[pid  6247] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6248] <... setpgid resumed>)      = 0
[pid  6247] close(27 <unfinished ...>
[pid  6246] exit_group(0 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6247] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6246] <... exit_group resumed>)   = ?
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] unlink("./75/binderfs" <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./76/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] unlink("./76/binderfs" <unfinished ...>
[pid  6247] close(28 <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5857] getdents64(3, 0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] close(3)                    = 0
[pid  5857] rmdir("./76")               = 0
[pid  5857] mkdir("./77", 0777 <unfinished ...>
[pid  6248] <... openat resumed>)       = 3
[pid  6247] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6246] +++ exited with 0 +++
[pid  5854] <... unlink resumed>)       = 0
[pid  6248] write(3, "1000", 4 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6248] <... write resumed>)        = 4
[pid  6247] close(29 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6247] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6248] close(3 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  6248] <... close resumed>)        = 0
[pid  6247] exit_group(0 <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  6248] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5856] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] rmdir("./75" <unfinished ...>
[pid  6247] <... exit_group resumed>)   = ?
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... rmdir resumed>)        = 0
./strace-static-x86_64: Process 6249 attached
[pid  6248] <... symlink resumed>)      = 0
executing program
[pid  6248] write(1, "executing program\n", 18 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 79
[pid  5856] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6249] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6248] <... write resumed>)        = 18
[pid  6247] +++ exited with 0 +++
[pid  5856] <... openat resumed>)       = 3
[pid  5854] mkdir("./76", 0777 <unfinished ...>
[pid  6249] <... set_robust_list resumed>) = 0
[pid  6248] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=77, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6248] <... bpf resumed>)          = 3
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6249] chdir("./77" <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6249] <... chdir resumed>)        = 0
[pid  6248] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5856] getdents64(3, ./strace-static-x86_64: Process 6250 attached
 <unfinished ...>
[pid  6249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6249] setpgid(0, 0 <unfinished ...>
[pid  5856] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6249] <... setpgid resumed>)      = 0
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6250] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6248] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5856] newfstatat(AT_FDCWD, "./76/binderfs",  <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 78
[pid  6250] <... set_robust_list resumed>) = 0
[pid  6248] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6250] chdir("./76" <unfinished ...>
[pid  6249] <... openat resumed>)       = 3
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6250] <... chdir resumed>)        = 0
[pid  6250] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6249] write(3, "1000", 4 <unfinished ...>
[pid  5856] unlink("./76/binderfs" <unfinished ...>
[pid  6250] <... prctl resumed>)        = 0
[pid  6249] <... write resumed>)        = 4
[pid  6248] <... bpf resumed>)          = 4
[pid  5856] <... unlink resumed>)       = 0
[pid  6250] setpgid(0, 0 <unfinished ...>
[pid  6249] close(3 <unfinished ...>
[pid  6248] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6249] <... close resumed>)        = 0
[pid  6250] <... setpgid resumed>)      = 0
[pid  6249] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6248] <... bpf resumed>)          = 5
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6249] <... symlink resumed>)      = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6249] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  6249] <... write resumed>)        = 18
[pid  5856] <... close resumed>)        = 0
[pid  6249] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5856] rmdir("./76" <unfinished ...>
[pid  6250] <... openat resumed>)       = 3
[pid  6248] close(3 <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5853] <... restart_syscall resumed>) = 0
[pid  6250] write(3, "1000", 4 <unfinished ...>
[pid  6249] <... bpf resumed>)          = 3
[pid  6248] <... close resumed>)        = 0
[pid  6250] <... write resumed>)        = 4
[pid  6249] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6248] close(4 <unfinished ...>
[pid  5856] mkdir("./77", 0777 <unfinished ...>
[pid  6250] close(3 <unfinished ...>
[pid  6249] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6248] <... close resumed>)        = 0
[pid  5856] <... mkdir resumed>)        = 0
[pid  5853] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6250] <... close resumed>)        = 0
[pid  6249] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6248] close(5 <unfinished ...>
[pid  6250] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6249] <... bpf resumed>)          = 4
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6250] <... symlink resumed>)      = 0
[pid  6249] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6248] <... close resumed>)        = 0
[pid  5853] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6251 attached
executing program
 <unfinished ...>
[pid  6250] write(1, "executing program\n", 18 <unfinished ...>
[pid  6251] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6250] <... write resumed>)        = 18
[pid  6249] <... bpf resumed>)          = 5
[pid  6248] close(6 <unfinished ...>
[pid  6251] <... set_robust_list resumed>) = 0
[pid  6250] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6249] close(3 <unfinished ...>
[pid  6248] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... openat resumed>)       = 3
[pid  6251] chdir("./77" <unfinished ...>
[pid  6250] <... bpf resumed>)          = 3
[pid  6249] <... close resumed>)        = 0
[pid  6248] close(7 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 79
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6251] <... chdir resumed>)        = 0
[pid  6250] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6249] close(4 <unfinished ...>
[pid  6248] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6251] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6250] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6249] <... close resumed>)        = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6251] <... prctl resumed>)        = 0
[pid  6249] close(5 <unfinished ...>
[pid  6248] close(8 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6251] setpgid(0, 0 <unfinished ...>
[pid  6250] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6249] <... close resumed>)        = 0
[pid  6248] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6251] <... setpgid resumed>)      = 0
[pid  6249] close(6 <unfinished ...>
[pid  5853] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6249] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6248] close(9 <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6250] <... bpf resumed>)          = 4
[pid  6249] close(7 <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./75/binderfs",  <unfinished ...>
[pid  6249] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6249] close(8 <unfinished ...>
[pid  5853] unlink("./75/binderfs" <unfinished ...>
[pid  6251] <... openat resumed>)       = 3
[pid  6249] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6248] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6250] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  6251] write(3, "1000", 4 <unfinished ...>
[pid  6249] close(9 <unfinished ...>
[pid  6248] close(10 <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6251] <... write resumed>)        = 4
[pid  6249] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6248] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6251] close(3 <unfinished ...>
[pid  6249] close(10 <unfinished ...>
[pid  6248] close(11 <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  6251] <... close resumed>)        = 0
[pid  6249] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6248] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... close resumed>)        = 0
[pid  6251] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6250] <... bpf resumed>)          = 5
[pid  6249] close(11 <unfinished ...>
[pid  6248] close(12 <unfinished ...>
[pid  5853] rmdir("./75" <unfinished ...>
[pid  6250] close(3 <unfinished ...>
[pid  6249] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6248] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... rmdir resumed>)        = 0
[pid  6249] close(12 <unfinished ...>
[pid  6248] close(13 <unfinished ...>
[pid  6250] <... close resumed>)        = 0
[pid  6248] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6250] close(4 <unfinished ...>
[pid  6248] close(14 <unfinished ...>
[pid  6250] <... close resumed>)        = 0
[pid  6248] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6249] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6248] close(15 <unfinished ...>
[pid  5853] mkdir("./76", 0777 <unfinished ...>
[pid  6250] close(5 <unfinished ...>
[pid  6249] close(13 <unfinished ...>
[pid  6248] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... mkdir resumed>)        = 0
[pid  6249] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6248] close(16 <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6251] <... symlink resumed>)      = 0
[pid  6250] <... close resumed>)        = 0
[pid  6249] close(14 <unfinished ...>
[pid  6248] <... close resumed>)        = -1 EBADF (Bad file descriptor)
./strace-static-x86_64: Process 6252 attached
[pid  6249] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6249] close(15executing program
)                   = -1 EBADF (Bad file descriptor)
[pid  6252] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6251] write(1, "executing program\n", 18 <unfinished ...>
[pid  6250] close(6 <unfinished ...>
[pid  6248] close(17 <unfinished ...>
[pid  6252] <... set_robust_list resumed>) = 0
[pid  6251] <... write resumed>)        = 18
[pid  6248] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6250] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6248] close(18 <unfinished ...>
[pid  6250] close(7 <unfinished ...>
[pid  6249] close(16 <unfinished ...>
[pid  6248] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6249] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6249] close(17 <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 78
[pid  6252] chdir("./76" <unfinished ...>
[pid  6249] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6251] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6250] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6249] close(18 <unfinished ...>
[pid  6248] close(19 <unfinished ...>
[pid  6252] <... chdir resumed>)        = 0
[pid  6250] close(8 <unfinished ...>
[pid  6248] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6251] <... bpf resumed>)          = 3
[pid  6252] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6250] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6248] close(20 <unfinished ...>
[pid  6251] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6250] close(9 <unfinished ...>
[pid  6252] <... prctl resumed>)        = 0
[pid  6250] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6248] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6250] close(10 <unfinished ...>
[pid  6252] setpgid(0, 0 <unfinished ...>
[pid  6249] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6248] close(21 <unfinished ...>
[pid  6252] <... setpgid resumed>)      = 0
[pid  6250] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6249] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  6250] close(11 <unfinished ...>
[pid  6248] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6249] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  6252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6251] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6250] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6249] close(21 <unfinished ...>
[pid  6248] close(22 <unfinished ...>
[pid  6249] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6249] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  6249] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  6249] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  6249] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  6249] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  6249] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  6249] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  6249] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  6251] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6250] close(12 <unfinished ...>
[pid  6249] exit_group(0 <unfinished ...>
[pid  6248] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6252] <... openat resumed>)       = 3
[pid  6249] <... exit_group resumed>)   = ?
[pid  6252] write(3, "1000", 4 <unfinished ...>
[pid  6251] <... bpf resumed>)          = 4
[pid  6250] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6249] +++ exited with 0 +++
[pid  6248] close(23 <unfinished ...>
[pid  6252] <... write resumed>)        = 4
[pid  6251] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6250] close(13 <unfinished ...>
[pid  6248] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=79, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  6252] close(3 <unfinished ...>
[pid  6250] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6248] close(24 <unfinished ...>
[pid  6252] <... close resumed>)        = 0
[pid  6250] close(14 <unfinished ...>
[pid  6248] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6252] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6250] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6248] close(25 <unfinished ...>
[pid  5857] umount2("./77", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6251] <... bpf resumed>)          = 5
[pid  6250] close(15 <unfinished ...>
[pid  6248] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6250] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6248] close(26 <unfinished ...>
[pid  6250] close(16 <unfinished ...>
[pid  6248] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6250] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6248] close(27 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6252] <... symlink resumed>)      = 0
[pid  6251] close(3 <unfinished ...>
[pid  6250] close(17 <unfinished ...>
[pid  6248] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6252] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6251] <... close resumed>)        = 0
[pid  6250] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6248] close(28 <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  6252] <... write resumed>)        = 18
[pid  6251] close(4 <unfinished ...>
[pid  6250] close(18 <unfinished ...>
[pid  6248] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  6252] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6250] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6248] close(29 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6251] <... close resumed>)        = 0
[pid  6250] close(19 <unfinished ...>
[pid  6248] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  6250] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6252] <... bpf resumed>)          = 3
[pid  6251] close(5 <unfinished ...>
[pid  6250] close(20 <unfinished ...>
[pid  6248] exit_group(0 <unfinished ...>
[pid  5857] umount2("./77/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6250] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6252] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6248] <... exit_group resumed>)   = ?
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6250] close(21 <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./77/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] unlink("./77/binderfs" <unfinished ...>
[pid  6252] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6251] <... close resumed>)        = 0
[pid  6250] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6248] +++ exited with 0 +++
[pid  5857] <... unlink resumed>)       = 0
[pid  6252] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6251] close(6 <unfinished ...>
[pid  6250] close(22 <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6251] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6250] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6252] <... bpf resumed>)          = 4
[pid  6251] close(7 <unfinished ...>
[pid  6250] close(23 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  6251] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6250] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6251] close(8 <unfinished ...>
[pid  6250] close(24 <unfinished ...>
[pid  6251] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6250] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6251] close(9 <unfinished ...>
[pid  6250] close(25 <unfinished ...>
[pid  6251] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6250] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6251] close(10 <unfinished ...>
[pid  6250] close(26 <unfinished ...>
[pid  6251] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6250] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6251] close(11 <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6251] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6250] close(27 <unfinished ...>
[pid  6252] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6250] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] <... openat resumed>)       = 3
[pid  6252] <... bpf resumed>)          = 5
[pid  6251] close(12 <unfinished ...>
[pid  6250] close(28 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  6252] close(3 <unfinished ...>
[pid  6251] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6250] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... close resumed>)        = 0
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  6252] <... close resumed>)        = 0
[pid  6251] close(13 <unfinished ...>
[pid  6250] close(29 <unfinished ...>
[pid  5857] rmdir("./77" <unfinished ...>
[pid  6252] close(4 <unfinished ...>
[pid  6251] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6250] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... rmdir resumed>)        = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6252] <... close resumed>)        = 0
[pid  6251] close(14 <unfinished ...>
[pid  5857] mkdir("./78", 0777 <unfinished ...>
[pid  6252] close(5 <unfinished ...>
[pid  6251] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6250] exit_group(0 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6252] <... close resumed>)        = 0
[pid  6251] close(15 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6251] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6250] <... exit_group resumed>)   = ?
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
./strace-static-x86_64: Process 6253 attached
[pid  6251] close(16 <unfinished ...>
[pid  5855] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6252] close(6 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6251] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6252] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6252] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  6252] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 80
[pid  6252] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  6252] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  6252] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  6252] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  6253] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6252] close(13 <unfinished ...>
[pid  6251] close(17 <unfinished ...>
[pid  6250] +++ exited with 0 +++
[pid  5855] newfstatat(AT_FDCWD, "./76/binderfs",  <unfinished ...>
[pid  6253] <... set_robust_list resumed>) = 0
[pid  6252] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6251] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6251] close(18 <unfinished ...>
[pid  5855] unlink("./76/binderfs" <unfinished ...>
[pid  6253] chdir("./78" <unfinished ...>
[pid  6252] close(14 <unfinished ...>
[pid  6251] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... unlink resumed>)       = 0
[pid  6251] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  6251] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6251] close(21 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6251] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6251] close(22 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  6251] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... close resumed>)        = 0
[pid  6251] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  5855] rmdir("./76" <unfinished ...>
[pid  6252] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6251] close(24 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  6253] <... chdir resumed>)        = 0
[pid  6252] close(15 <unfinished ...>
[pid  6251] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6253] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6252] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6253] <... prctl resumed>)        = 0
[pid  5854] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6252] close(16 <unfinished ...>
[pid  6253] setpgid(0, 0 <unfinished ...>
[pid  6252] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6253] <... setpgid resumed>)      = 0
[pid  6252] close(17 <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6252] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6252] close(18 <unfinished ...>
[pid  6251] close(25 <unfinished ...>
[pid  5855] mkdir("./77", 0777 <unfinished ...>
[pid  6253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6252] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6251] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6252] close(19 <unfinished ...>
[pid  6251] close(26 <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6253] <... openat resumed>)       = 3
[pid  6252] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6251] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... openat resumed>)       = 3
./strace-static-x86_64: Process 6254 attached
[pid  6252] close(20 <unfinished ...>
[pid  6251] close(27 <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  6253] write(3, "1000", 4 <unfinished ...>
[pid  6254] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6252] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6251] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6253] <... write resumed>)        = 4
[pid  6254] <... set_robust_list resumed>) = 0
[pid  6252] close(21 <unfinished ...>
[pid  6253] close(3 <unfinished ...>
[pid  6251] close(28 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 79
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6254] chdir("./77" <unfinished ...>
[pid  6253] <... close resumed>)        = 0
[pid  6252] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6251] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6253] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6252] close(22 <unfinished ...>
[pid  6251] close(29 <unfinished ...>
[pid  6254] <... chdir resumed>)        = 0
[pid  6253] <... symlink resumed>)      = 0
[pid  6252] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6251] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6254] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6253] write(1, "executing program\n", 18 <unfinished ...>
[pid  6252] close(23executing program
 <unfinished ...>
[pid  5854] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6254] <... prctl resumed>)        = 0
[pid  6253] <... write resumed>)        = 18
[pid  6252] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6251] exit_group(0 <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6254] setpgid(0, 0 <unfinished ...>
[pid  6253] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6252] close(24 <unfinished ...>
[pid  6254] <... setpgid resumed>)      = 0
[pid  6251] <... exit_group resumed>)   = ?
[pid  5854] newfstatat(AT_FDCWD, "./76/binderfs",  <unfinished ...>
[pid  6253] <... bpf resumed>)          = 3
[pid  6254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6252] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6253] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6252] close(25 <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6252] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6253] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6252] close(26 <unfinished ...>
[pid  6253] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6252] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6254] <... openat resumed>)       = 3
[pid  6253] <... bpf resumed>)          = 4
[pid  6252] close(27 <unfinished ...>
[pid  6251] +++ exited with 0 +++
[pid  5854] unlink("./76/binderfs" <unfinished ...>
[pid  6252] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=79, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  6252] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  5854] <... unlink resumed>)       = 0
[pid  6252] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  6254] write(3, "1000", 4 <unfinished ...>
[pid  6252] exit_group(0 <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6254] <... write resumed>)        = 4
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6254] close(3 <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  6254] <... close resumed>)        = 0
[pid  5854] <... close resumed>)        = 0
[pid  6254] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5854] rmdir("./76" <unfinished ...>
[pid  6253] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6252] <... exit_group resumed>)   = ?
[pid  6254] <... symlink resumed>)      = 0
[pid  6253] <... bpf resumed>)          = 5
[pid  6252] +++ exited with 0 +++
[pid  5856] <... restart_syscall resumed>) = 0
executing program
[pid  5854] <... rmdir resumed>)        = 0
[pid  6254] write(1, "executing program\n", 18 <unfinished ...>
[pid  6253] close(3 <unfinished ...>
[pid  6254] <... write resumed>)        = 18
[pid  6253] <... close resumed>)        = 0
[pid  6254] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5854] mkdir("./77", 0777 <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  6254] <... bpf resumed>)          = 3
[pid  6253] close(4 <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  6254] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6253] <... close resumed>)        = 0
[pid  5856] umount2("./77", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6254] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6253] close(5 <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6254] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6253] <... close resumed>)        = 0
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6255 attached
 <unfinished ...>
[pid  6254] <... bpf resumed>)          = 4
[pid  6253] close(6 <unfinished ...>
[pid  6255] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6254] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6253] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6255] <... set_robust_list resumed>) = 0
[pid  6253] close(7 <unfinished ...>
[pid  6255] chdir("./77" <unfinished ...>
[pid  6254] <... bpf resumed>)          = 5
[pid  6253] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... openat resumed>)       = 3
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 79
[pid  5853] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6253] close(8 <unfinished ...>
[pid  6255] <... chdir resumed>)        = 0
[pid  6253] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] getdents64(3, 0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] umount2("./77/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  6255] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6254] close(3 <unfinished ...>
[pid  6253] close(9 <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./77/binderfs",  <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  6253] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6253] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  6255] <... prctl resumed>)        = 0
[pid  6254] <... close resumed>)        = 0
[pid  6253] close(11 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6255] setpgid(0, 0 <unfinished ...>
[pid  6254] close(4 <unfinished ...>
[pid  6253] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] unlink("./77/binderfs" <unfinished ...>
[pid  6255] <... setpgid resumed>)      = 0
[pid  6254] <... close resumed>)        = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  6255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6254] close(5 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6253] close(12 <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6255] <... openat resumed>)       = 3
[pid  6254] <... close resumed>)        = 0
[pid  6253] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6253] close(13 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] close(3 <unfinished ...>
[pid  6254] close(6 <unfinished ...>
[pid  6253] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6255] write(3, "1000", 4 <unfinished ...>
[pid  6254] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6253] close(14 <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6255] <... write resumed>)        = 4
[pid  6254] close(7 <unfinished ...>
[pid  6253] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] rmdir("./77" <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./76/binderfs",  <unfinished ...>
[pid  6255] close(3 <unfinished ...>
[pid  6254] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6253] close(15 <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6255] <... close resumed>)        = 0
[pid  6254] close(8 <unfinished ...>
[pid  6253] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6255] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6254] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6253] close(16 <unfinished ...>
[pid  5856] mkdir("./78", 0777 <unfinished ...>
[pid  5853] unlink("./76/binderfs" <unfinished ...>
[pid  6255] <... symlink resumed>)      = 0
[pid  6253] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... unlink resumed>)       = 0
[pid  6254] close(9 <unfinished ...>
[pid  6253] close(17 <unfinished ...>
[pid  6254] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6253] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... mkdir resumed>)        = 0
executing program
[pid  6255] write(1, "executing program\n", 18 <unfinished ...>
[pid  6254] close(10 <unfinished ...>
[pid  6253] close(18 <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6255] <... write resumed>)        = 18
[pid  6254] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6253] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6254] close(11 <unfinished ...>
[pid  6253] close(19 <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  6253] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6253] close(20 <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  6253] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6253] close(21 <unfinished ...>
[pid  5853] rmdir("./76" <unfinished ...>
[pid  6253] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... rmdir resumed>)        = 0
[pid  6255] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6253] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  5853] mkdir("./77", 0777 <unfinished ...>
[pid  6253] close(23 <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  6253] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6256 attached
 <unfinished ...>
[pid  6255] <... bpf resumed>)          = 3
[pid  6254] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6253] close(24 <unfinished ...>
[pid  6255] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6254] close(12./strace-static-x86_64: Process 6257 attached
 <unfinished ...>
[pid  6256] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6255] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6254] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6253] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6255] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6254] close(13 <unfinished ...>
[pid  6253] close(25 <unfinished ...>
[pid  6256] <... set_robust_list resumed>) = 0
[pid  6257] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6255] <... bpf resumed>)          = 4
[pid  6254] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6253] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 80
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 79
[pid  6256] chdir("./78" <unfinished ...>
[pid  6257] <... set_robust_list resumed>) = 0
[pid  6255] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6254] close(14 <unfinished ...>
[pid  6253] close(26 <unfinished ...>
[pid  6257] chdir("./77" <unfinished ...>
[pid  6254] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6253] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6254] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  6254] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  6254] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  6254] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  6254] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  6254] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  6254] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  6254] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  6254] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  6254] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  6256] <... chdir resumed>)        = 0
[pid  6255] <... bpf resumed>)          = 5
[pid  6254] close(25 <unfinished ...>
[pid  6253] close(27 <unfinished ...>
[pid  6257] <... chdir resumed>)        = 0
[pid  6256] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6253] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6257] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6256] <... prctl resumed>)        = 0
[pid  6253] close(28 <unfinished ...>
[pid  6255] close(3 <unfinished ...>
[pid  6254] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6257] <... prctl resumed>)        = 0
[pid  6256] setpgid(0, 0 <unfinished ...>
[pid  6255] <... close resumed>)        = 0
[pid  6254] close(26 <unfinished ...>
[pid  6253] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6257] setpgid(0, 0 <unfinished ...>
[pid  6256] <... setpgid resumed>)      = 0
[pid  6255] close(4 <unfinished ...>
[pid  6254] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6257] <... setpgid resumed>)      = 0
[pid  6255] <... close resumed>)        = 0
[pid  6254] close(27 <unfinished ...>
[pid  6253] close(29 <unfinished ...>
[pid  6256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6255] close(5 <unfinished ...>
[pid  6254] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6256] <... openat resumed>)       = 3
[pid  6255] <... close resumed>)        = 0
[pid  6254] close(28 <unfinished ...>
[pid  6253] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6256] write(3, "1000", 4 <unfinished ...>
[pid  6254] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6254] close(29 <unfinished ...>
[pid  6253] exit_group(0 <unfinished ...>
[pid  6256] <... write resumed>)        = 4
[pid  6254] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6253] <... exit_group resumed>)   = ?
[pid  6256] close(3 <unfinished ...>
[pid  6255] close(6 <unfinished ...>
[pid  6254] exit_group(0 <unfinished ...>
[pid  6255] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6254] <... exit_group resumed>)   = ?
[pid  6257] <... openat resumed>)       = 3
[pid  6256] <... close resumed>)        = 0
[pid  6255] close(7 <unfinished ...>
[pid  6254] +++ exited with 0 +++
[pid  6257] write(3, "1000", 4 <unfinished ...>
[pid  6256] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6255] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6257] <... write resumed>)        = 4
[pid  6255] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  6257] close(3 <unfinished ...>
[pid  6256] <... symlink resumed>)      = 0
[pid  6255] close(9 <unfinished ...>
[pid  6253] +++ exited with 0 +++
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=79, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6257] <... close resumed>)        = 0
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=80, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6257] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6256] write(1, "executing program\n", 18 <unfinished ...>
[pid  6255] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... restart_syscall resumed>) = 0
[pid  6255] close(10 <unfinished ...>
[pid  6257] <... symlink resumed>)      = 0
[pid  6255] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6255] close(11executing program
)                   = -1 EBADF (Bad file descriptor)
[pid  6255] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  6255] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  6255] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  6255] close(15 <unfinished ...>
[pid  6257] write(1, "executing program\n", 18 <unfinished ...>
[pid  6256] <... write resumed>)        = 18
[pid  6255] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./78", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program
 <unfinished ...>
[pid  6257] <... write resumed>)        = 18
[pid  6257] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6256] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6255] close(16 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6257] <... bpf resumed>)          = 3
[pid  6255] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6256] <... bpf resumed>)          = 3
[pid  6255] close(17 <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5855] umount2("./77", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6257] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6256] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6255] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6257] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6256] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6255] close(18 <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  6257] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6256] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6255] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6257] <... bpf resumed>)          = 4
[pid  6256] <... bpf resumed>)          = 4
[pid  6255] close(19 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] <... openat resumed>)       = 3
[pid  6255] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6255] close(20 <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  6257] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6256] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6255] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6257] <... bpf resumed>)          = 5
[pid  6256] <... bpf resumed>)          = 5
[pid  6255] close(21 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6255] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6255] close(22 <unfinished ...>
[pid  5857] umount2("./78/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6255] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6257] close(3 <unfinished ...>
[pid  6255] close(23 <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./78/binderfs",  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6257] <... close resumed>)        = 0
[pid  6256] close(3 <unfinished ...>
[pid  6255] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] umount2("./77/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6256] <... close resumed>)        = 0
[pid  6255] close(24 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6256] close(4 <unfinished ...>
[pid  6255] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] newfstatat(AT_FDCWD, "./77/binderfs",  <unfinished ...>
[pid  6256] <... close resumed>)        = 0
[pid  6255] close(25 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6256] close(5 <unfinished ...>
[pid  6255] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] unlink("./77/binderfs" <unfinished ...>
[pid  6256] <... close resumed>)        = 0
[pid  6255] close(26 <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  6257] close(4 <unfinished ...>
[pid  5857] unlink("./78/binderfs" <unfinished ...>
[pid  6257] <... close resumed>)        = 0
[pid  6255] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6257] close(5 <unfinished ...>
[pid  6256] close(6 <unfinished ...>
[pid  6255] close(27 <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6256] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6255] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6256] close(7 <unfinished ...>
[pid  6255] close(28 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  6257] <... close resumed>)        = 0
[pid  6256] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6255] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  6257] close(6 <unfinished ...>
[pid  6256] close(8 <unfinished ...>
[pid  6255] close(29 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] <... close resumed>)        = 0
[pid  6257] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6256] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6255] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] rmdir("./77" <unfinished ...>
[pid  6257] close(7 <unfinished ...>
[pid  6256] close(9 <unfinished ...>
[pid  6255] exit_group(0 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  6257] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6256] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... close resumed>)        = 0
[pid  6257] close(8 <unfinished ...>
[pid  5857] rmdir("./78" <unfinished ...>
[pid  6257] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... rmdir resumed>)        = 0
[pid  6257] close(9 <unfinished ...>
[pid  5857] mkdir("./79", 0777 <unfinished ...>
[pid  6257] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6256] close(10 <unfinished ...>
[pid  6255] <... exit_group resumed>)   = ?
[pid  5855] mkdir("./78", 0777 <unfinished ...>
[pid  6257] close(10 <unfinished ...>
[pid  6256] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... mkdir resumed>)        = 0
[pid  6257] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6256] close(11 <unfinished ...>
[pid  6257] close(11 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6258 attached
 <unfinished ...>
[pid  6257] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6256] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6255] +++ exited with 0 +++
[pid  5855] <... mkdir resumed>)        = 0
[pid  6257] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  6257] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  6257] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  6257] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  6257] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  6257] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  6257] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  6257] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  6257] close(20 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 81
[pid  6258] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6257] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6256] close(12 <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6258] <... set_robust_list resumed>) = 0
[pid  6256] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6258] chdir("./79" <unfinished ...>
[pid  6257] close(21 <unfinished ...>
[pid  6256] close(13 <unfinished ...>
[pid  6257] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6258] <... chdir resumed>)        = 0
[pid  6256] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=79, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6258] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6257] close(22 <unfinished ...>
[pid  6256] close(14 <unfinished ...>
[pid  6257] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6256] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6258] <... prctl resumed>)        = 0
[pid  6257] close(23 <unfinished ...>
[pid  6256] close(15 <unfinished ...>
[pid  6258] setpgid(0, 0 <unfinished ...>
[pid  6257] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6256] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... restart_syscall resumed>) = 0
[pid  6257] close(24 <unfinished ...>
[pid  6256] close(16 <unfinished ...>
[pid  6257] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6256] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6258] <... setpgid resumed>)      = 0
[pid  6257] close(25 <unfinished ...>
[pid  6256] close(17 <unfinished ...>
[pid  6257] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6257] close(26 <unfinished ...>
[pid  6256] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] umount2("./77", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6259 attached
 <unfinished ...>
[pid  6257] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6256] close(18 <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6259] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6257] close(27 <unfinished ...>
[pid  6256] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6257] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6256] close(19 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 80
[pid  6256] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... openat resumed>)       = 3
[pid  6256] close(20 <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  6256] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6259] <... set_robust_list resumed>) = 0
[pid  6257] close(28 <unfinished ...>
[pid  6256] close(21 <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6259] chdir("./78" <unfinished ...>
[pid  6258] <... openat resumed>)       = 3
[pid  6257] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6256] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6259] <... chdir resumed>)        = 0
[pid  6258] write(3, "1000", 4 <unfinished ...>
[pid  6257] close(29 <unfinished ...>
[pid  6256] close(22 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6259] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6258] <... write resumed>)        = 4
[pid  6257] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6256] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] umount2("./77/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6259] <... prctl resumed>)        = 0
[pid  6258] close(3 <unfinished ...>
[pid  6257] exit_group(0 <unfinished ...>
[pid  6256] close(23 <unfinished ...>
[pid  6259] setpgid(0, 0 <unfinished ...>
[pid  6258] <... close resumed>)        = 0
[pid  6257] <... exit_group resumed>)   = ?
[pid  6256] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6258] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6256] close(24 <unfinished ...>
[pid  6258] <... symlink resumed>)      = 0
[pid  6256] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] newfstatat(AT_FDCWD, "./77/binderfs",  <unfinished ...>
[pid  6256] close(25 <unfinished ...>
[pid  6259] <... setpgid resumed>)      = 0
[pid  6257] +++ exited with 0 +++
[pid  6256] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
executing program
[pid  6258] write(1, "executing program\n", 18 <unfinished ...>
[pid  6256] close(26 <unfinished ...>
[pid  5854] unlink("./77/binderfs" <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=79, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  6259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6258] <... write resumed>)        = 18
[pid  6256] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6256] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  6256] close(28 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6256] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6256] close(29 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6256] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] close(3 <unfinished ...>
[pid  6258] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6256] exit_group(0 <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  6259] <... openat resumed>)       = 3
[pid  6258] <... bpf resumed>)          = 3
[pid  6256] <... exit_group resumed>)   = ?
[pid  6259] write(3, "1000", 4 <unfinished ...>
[pid  6258] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6259] <... write resumed>)        = 4
[pid  6256] +++ exited with 0 +++
[pid  5854] rmdir("./77" <unfinished ...>
[pid  6259] close(3 <unfinished ...>
[pid  6258] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=80, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5854] <... rmdir resumed>)        = 0
[pid  6259] <... close resumed>)        = 0
[pid  6258] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6259] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5854] mkdir("./78", 0777 <unfinished ...>
[pid  6259] <... symlink resumed>)      = 0
[pid  6258] <... bpf resumed>)          = 4
[pid  5854] <... mkdir resumed>)        = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6259] write(1, "executing program\n", 18 <unfinished ...>
[pid  6258] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5853] <... restart_syscall resumed>) = 0
executing program
./strace-static-x86_64: Process 6260 attached
[pid  6259] <... write resumed>)        = 18
[pid  6260] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6258] <... bpf resumed>)          = 5
[pid  5853] umount2("./77", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6260] <... set_robust_list resumed>) = 0
[pid  6259] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 80
[pid  6260] chdir("./78" <unfinished ...>
[pid  6259] <... bpf resumed>)          = 3
[pid  6258] close(3 <unfinished ...>
[pid  5856] umount2("./78", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6259] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6258] <... close resumed>)        = 0
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6260] <... chdir resumed>)        = 0
[pid  6259] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6258] close(4 <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6260] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6259] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6258] <... close resumed>)        = 0
[pid  5856] <... openat resumed>)       = 3
[pid  6260] <... prctl resumed>)        = 0
[pid  6258] close(5 <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  6260] setpgid(0, 0 <unfinished ...>
[pid  6259] <... bpf resumed>)          = 4
[pid  6258] <... close resumed>)        = 0
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6260] <... setpgid resumed>)      = 0
[pid  6259] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6258] close(6 <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6258] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6260] <... openat resumed>)       = 3
[pid  6259] <... bpf resumed>)          = 5
[pid  6258] close(7 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] getdents64(3, 0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6260] write(3, "1000", 4 <unfinished ...>
[pid  5853] umount2("./77/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6260] <... write resumed>)        = 4
[pid  6260] close(3 <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6260] <... close resumed>)        = 0
[pid  5853] newfstatat(AT_FDCWD, "./77/binderfs",  <unfinished ...>
[pid  6260] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6259] close(3 <unfinished ...>
[pid  6258] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] umount2("./78/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6259] <... close resumed>)        = 0
[pid  6258] close(8 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6259] close(4 <unfinished ...>
[pid  6258] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] newfstatat(AT_FDCWD, "./78/binderfs",  <unfinished ...>
[pid  6259] <... close resumed>)        = 0
[pid  6258] close(9 <unfinished ...>
[pid  6260] <... symlink resumed>)      = 0
executing program
[pid  6259] close(5 <unfinished ...>
[pid  6258] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] unlink("./77/binderfs" <unfinished ...>
[pid  6260] write(1, "executing program\n", 18 <unfinished ...>
[pid  6259] <... close resumed>)        = 0
[pid  6258] close(10 <unfinished ...>
[pid  5856] unlink("./78/binderfs" <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  6260] <... write resumed>)        = 18
[pid  6258] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6260] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6259] close(6 <unfinished ...>
[pid  6258] close(11 <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6260] <... bpf resumed>)          = 3
[pid  6259] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6258] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  6260] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6259] close(7 <unfinished ...>
[pid  6258] close(12 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... close resumed>)        = 0
[pid  6260] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6259] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6258] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] close(3 <unfinished ...>
[pid  5853] rmdir("./77" <unfinished ...>
[pid  6260] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6259] close(8 <unfinished ...>
[pid  6258] close(13 <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5853] <... rmdir resumed>)        = 0
[pid  6260] <... bpf resumed>)          = 4
[pid  6259] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6258] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] rmdir("./78" <unfinished ...>
[pid  6258] close(14 <unfinished ...>
[pid  5853] mkdir("./78", 0777 <unfinished ...>
[pid  6259] close(9 <unfinished ...>
[pid  6258] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... rmdir resumed>)        = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  6260] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6259] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6258] close(15 <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6261 attached
 <unfinished ...>
[pid  6260] <... bpf resumed>)          = 5
[pid  6259] close(10 <unfinished ...>
[pid  6258] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] mkdir("./79", 0777 <unfinished ...>
[pid  6259] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6258] close(16 <unfinished ...>
[pid  6259] close(11 <unfinished ...>
[pid  6258] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6259] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... mkdir resumed>)        = 0
[pid  6259] close(12 <unfinished ...>
[pid  6258] close(17 <unfinished ...>
[pid  6261] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6259] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6258] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6259] close(13 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6258] close(18 <unfinished ...>
[pid  6261] <... set_robust_list resumed>) = 0
[pid  6259] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6258] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6260] close(3 <unfinished ...>
[pid  6258] close(19 <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 80
[pid  6260] <... close resumed>)        = 0
[pid  6260] close(4)                    = 0
./strace-static-x86_64: Process 6262 attached
[pid  6260] close(5 <unfinished ...>
[pid  6259] close(14 <unfinished ...>
[pid  6258] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6261] chdir("./78" <unfinished ...>
[pid  6260] <... close resumed>)        = 0
[pid  6259] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6258] close(20 <unfinished ...>
[pid  6262] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6258] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 81
[pid  6260] close(6 <unfinished ...>
[pid  6258] close(21 <unfinished ...>
[pid  6262] <... set_robust_list resumed>) = 0
[pid  6261] <... chdir resumed>)        = 0
[pid  6260] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6259] close(15 <unfinished ...>
[pid  6258] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6259] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6258] close(22 <unfinished ...>
[pid  6261] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6260] close(7 <unfinished ...>
[pid  6258] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6262] chdir("./79" <unfinished ...>
[pid  6261] <... prctl resumed>)        = 0
[pid  6260] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6259] close(16 <unfinished ...>
[pid  6258] close(23 <unfinished ...>
[pid  6261] setpgid(0, 0 <unfinished ...>
[pid  6260] close(8 <unfinished ...>
[pid  6259] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6258] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6262] <... chdir resumed>)        = 0
[pid  6261] <... setpgid resumed>)      = 0
[pid  6260] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6259] close(17 <unfinished ...>
[pid  6258] close(24 <unfinished ...>
[pid  6262] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6260] close(9 <unfinished ...>
[pid  6259] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6258] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6262] <... prctl resumed>)        = 0
[pid  6259] close(18 <unfinished ...>
[pid  6258] close(25 <unfinished ...>
[pid  6262] setpgid(0, 0 <unfinished ...>
[pid  6261] <... openat resumed>)       = 3
[pid  6260] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6259] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6258] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6262] <... setpgid resumed>)      = 0
[pid  6261] write(3, "1000", 4 <unfinished ...>
[pid  6260] close(10 <unfinished ...>
[pid  6259] close(19 <unfinished ...>
[pid  6258] close(26 <unfinished ...>
[pid  6262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6261] <... write resumed>)        = 4
[pid  6260] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6259] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6258] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6261] close(3 <unfinished ...>
[pid  6260] close(11 <unfinished ...>
[pid  6258] close(27 <unfinished ...>
[pid  6262] <... openat resumed>)       = 3
[pid  6261] <... close resumed>)        = 0
[pid  6260] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6259] close(20 <unfinished ...>
[pid  6258] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6261] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6260] close(12 <unfinished ...>
[pid  6262] write(3, "1000", 4 <unfinished ...>
[pid  6261] <... symlink resumed>)      = 0
[pid  6260] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6259] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6258] close(28 <unfinished ...>
[pid  6262] <... write resumed>)        = 4
[pid  6259] close(21 <unfinished ...>
[pid  6258] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6262] close(3 <unfinished ...>
[pid  6259] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6258] close(29 <unfinished ...>
[pid  6261] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6260] close(13 <unfinished ...>
[pid  6259] close(22 <unfinished ...>
[pid  6261] <... write resumed>)        = 18
[pid  6260] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6262] <... close resumed>)        = 0
[pid  6261] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6260] close(14 <unfinished ...>
[pid  6259] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6258] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6262] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6261] <... bpf resumed>)          = 3
[pid  6260] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6259] close(23 <unfinished ...>
[pid  6262] <... symlink resumed>)      = 0
[pid  6261] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6260] close(15 <unfinished ...>
[pid  6258] exit_group(0 <unfinished ...>
[pid  6262] write(1, "executing program\n", 18 <unfinished ...>
[pid  6259] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  6261] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6262] <... write resumed>)        = 18
[pid  6260] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6259] close(24 <unfinished ...>
[pid  6258] <... exit_group resumed>)   = ?
[pid  6260] close(16 <unfinished ...>
[pid  6261] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6260] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6262] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6260] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  6260] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  6260] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  6258] +++ exited with 0 +++
[pid  6260] close(20 <unfinished ...>
[pid  6259] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6260] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6260] close(21 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  6260] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6260] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  6260] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  6260] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  6260] close(25 <unfinished ...>
[pid  6261] <... bpf resumed>)          = 4
[pid  6260] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6259] close(25 <unfinished ...>
[pid  6260] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  6260] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  6260] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  6262] <... bpf resumed>)          = 3
[pid  6261] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6260] close(29 <unfinished ...>
[pid  6259] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6259] close(26 <unfinished ...>
[pid  5857] umount2("./79", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6259] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6259] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  6262] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6260] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6259] close(28 <unfinished ...>
[pid  6262] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6261] <... bpf resumed>)          = 5
[pid  6260] exit_group(0 <unfinished ...>
[pid  6259] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6262] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6261] close(3 <unfinished ...>
[pid  6260] <... exit_group resumed>)   = ?
[pid  6262] <... bpf resumed>)          = 4
[pid  6259] close(29 <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  6261] <... close resumed>)        = 0
[pid  6259] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  6262] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6261] close(4 <unfinished ...>
[pid  6259] exit_group(0 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6262] <... bpf resumed>)          = 5
[pid  6260] +++ exited with 0 +++
[pid  6259] <... exit_group resumed>)   = ?
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=80, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6262] close(3)                    = 0
[pid  6262] close(4 <unfinished ...>
[pid  6261] <... close resumed>)        = 0
[pid  6259] +++ exited with 0 +++
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] <... restart_syscall resumed>) = 0
[pid  6262] <... close resumed>)        = 0
[pid  6261] close(5 <unfinished ...>
[pid  5857] umount2("./79/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6262] close(5 <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=80, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6261] <... close resumed>)        = 0
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6261] close(6 <unfinished ...>
[pid  6262] <... close resumed>)        = 0
[pid  6261] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(AT_FDCWD, "./79/binderfs",  <unfinished ...>
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5854] umount2("./78", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6261] close(7 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6261] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6261] close(8 <unfinished ...>
[pid  5857] unlink("./79/binderfs" <unfinished ...>
[pid  6262] close(6 <unfinished ...>
[pid  6261] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... openat resumed>)       = 3
[pid  6262] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] umount2("./78", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6262] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  6262] close(8 <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6261] close(9 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  6262] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6261] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6262] close(9 <unfinished ...>
[pid  6261] close(10 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  6262] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6261] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... openat resumed>)       = 3
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6262] close(10 <unfinished ...>
[pid  6261] close(11 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6261] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] rmdir("./79" <unfinished ...>
[pid  6261] close(12 <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5854] umount2("./78/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6261] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6262] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6261] close(13 <unfinished ...>
[pid  5857] mkdir("./80", 0777 <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  6262] close(11 <unfinished ...>
[pid  6261] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... mkdir resumed>)        = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] newfstatat(AT_FDCWD, "./78/binderfs",  <unfinished ...>
[pid  6262] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6261] close(14 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6262] close(12 <unfinished ...>
[pid  6261] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] unlink("./78/binderfs" <unfinished ...>
[pid  6262] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6261] close(15 <unfinished ...>
[pid  5855] umount2("./78/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6263 attached
 <unfinished ...>
[pid  6262] close(13 <unfinished ...>
[pid  6261] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 82
[pid  5854] <... unlink resumed>)       = 0
[pid  6263] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6262] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6261] close(16 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6263] <... set_robust_list resumed>) = 0
[pid  6262] close(14 <unfinished ...>
[pid  6261] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] newfstatat(AT_FDCWD, "./78/binderfs",  <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6263] chdir("./80" <unfinished ...>
[pid  6262] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6261] close(17 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6262] close(15 <unfinished ...>
[pid  6261] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] unlink("./78/binderfs" <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  6263] <... chdir resumed>)        = 0
[pid  6262] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6261] close(18 <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] <... close resumed>)        = 0
[pid  6263] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6262] close(16 <unfinished ...>
[pid  6261] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6263] <... prctl resumed>)        = 0
[pid  6262] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6261] close(19 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] rmdir("./78" <unfinished ...>
[pid  6263] setpgid(0, 0 <unfinished ...>
[pid  6262] close(17 <unfinished ...>
[pid  6261] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... rmdir resumed>)        = 0
[pid  6263] <... setpgid resumed>)      = 0
[pid  6262] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6261] close(20 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5854] mkdir("./79", 0777 <unfinished ...>
[pid  6263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6262] close(18 <unfinished ...>
[pid  6261] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... close resumed>)        = 0
[pid  6263] <... openat resumed>)       = 3
[pid  6262] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6261] close(21 <unfinished ...>
[pid  5855] rmdir("./78" <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  6263] write(3, "1000", 4 <unfinished ...>
[pid  6262] close(19 <unfinished ...>
[pid  6261] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6262] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6261] close(22 <unfinished ...>
[pid  6262] close(20 <unfinished ...>
[pid  6263] <... write resumed>)        = 4
[pid  6263] close(3)                    = 0
[pid  6263] symlink("/dev/binderfs", "./binderfs") = 0
[pid  6263] write(1, "executing program\n", 18./strace-static-x86_64: Process 6264 attached
executing program
 <unfinished ...>
[pid  6262] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6261] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] mkdir("./79", 0777 <unfinished ...>
[pid  6262] close(21 <unfinished ...>
[pid  6261] close(23 <unfinished ...>
[pid  6263] <... write resumed>)        = 18
[pid  6264] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6263] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6262] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6261] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 81
[pid  6264] <... set_robust_list resumed>) = 0
[pid  6263] <... bpf resumed>)          = 3
[pid  6262] close(22 <unfinished ...>
[pid  6261] close(24 <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6264] chdir("./79" <unfinished ...>
[pid  6263] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6262] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6261] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6263] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6262] close(23 <unfinished ...>
[pid  6264] <... chdir resumed>)        = 0
[pid  6262] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6261] close(25 <unfinished ...>
[pid  6263] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6262] close(24 <unfinished ...>
[pid  6261] <... close resumed>)        = -1 EBADF (Bad file descriptor)
./strace-static-x86_64: Process 6265 attached
[pid  6264] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6262] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6261] close(26 <unfinished ...>
[pid  6265] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6264] <... prctl resumed>)        = 0
[pid  6263] <... bpf resumed>)          = 4
[pid  6262] close(25 <unfinished ...>
[pid  6261] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 81
[pid  6265] <... set_robust_list resumed>) = 0
[pid  6264] setpgid(0, 0 <unfinished ...>
[pid  6262] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6261] close(27 <unfinished ...>
[pid  6265] chdir("./79" <unfinished ...>
[pid  6264] <... setpgid resumed>)      = 0
[pid  6262] close(26 <unfinished ...>
[pid  6261] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6262] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6261] close(28 <unfinished ...>
[pid  6265] <... chdir resumed>)        = 0
[pid  6264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6262] close(27 <unfinished ...>
[pid  6261] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6265] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6262] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6261] close(29 <unfinished ...>
[pid  6265] <... prctl resumed>)        = 0
[pid  6264] <... openat resumed>)       = 3
[pid  6262] close(28 <unfinished ...>
[pid  6261] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6265] setpgid(0, 0 <unfinished ...>
[pid  6263] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6265] <... setpgid resumed>)      = 0
[pid  6262] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6261] exit_group(0 <unfinished ...>
[pid  6265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6264] write(3, "1000", 4 <unfinished ...>
[pid  6263] <... bpf resumed>)          = 5
[pid  6262] close(29 <unfinished ...>
[pid  6263] close(3 <unfinished ...>
[pid  6265] <... openat resumed>)       = 3
[pid  6264] <... write resumed>)        = 4
[pid  6263] <... close resumed>)        = 0
[pid  6262] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6261] <... exit_group resumed>)   = ?
[pid  6265] write(3, "1000", 4 <unfinished ...>
[pid  6264] close(3 <unfinished ...>
[pid  6263] close(4 <unfinished ...>
[pid  6262] exit_group(0 <unfinished ...>
[pid  6264] <... close resumed>)        = 0
[pid  6263] <... close resumed>)        = 0
[pid  6265] <... write resumed>)        = 4
[pid  6264] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6263] close(5executing program
 <unfinished ...>
[pid  6262] <... exit_group resumed>)   = ?
[pid  6261] +++ exited with 0 +++
[pid  6265] close(3 <unfinished ...>
[pid  6264] <... symlink resumed>)      = 0
[pid  6263] <... close resumed>)        = 0
[pid  6265] <... close resumed>)        = 0
[pid  6263] close(6 <unfinished ...>
[pid  6265] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6263] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6265] <... symlink resumed>)      = 0
[pid  6263] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  6265] write(1, "executing program\n", 18 <unfinished ...>
[pid  6263] close(8 <unfinished ...>
[pid  6265] <... write resumed>)        = 18
[pid  6263] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  6265] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6263] close(9 <unfinished ...>
[pid  6262] +++ exited with 0 +++
[pid  6264] write(1, "executing program\n", 18 <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=80, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6265] <... bpf resumed>)          = 3
[pid  6264] <... write resumed>)        = 18
[pid  6263] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6265] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6264] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6263] close(10 <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  6265] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6263] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6264] <... bpf resumed>)          = 3
[pid  5853] <... restart_syscall resumed>) = 0
[pid  6265] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6263] close(11 <unfinished ...>
[pid  6264] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6265] <... bpf resumed>)          = 4
[pid  6263] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] umount2("./79", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6264] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6263] close(12 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6263] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6264] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6263] close(13 <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5853] umount2("./78", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6265] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6263] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6265] <... bpf resumed>)          = 5
[pid  6264] <... bpf resumed>)          = 4
[pid  6263] close(14 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6265] close(3 <unfinished ...>
[pid  6264] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6263] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6265] <... close resumed>)        = 0
[pid  6263] close(15 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... openat resumed>)       = 3
[pid  6265] close(4 <unfinished ...>
[pid  6264] <... bpf resumed>)          = 5
[pid  6263] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] umount2("./79/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6265] <... close resumed>)        = 0
[pid  6263] close(16 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6264] close(3 <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6265] close(5 <unfinished ...>
[pid  6264] <... close resumed>)        = 0
[pid  6263] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] newfstatat(AT_FDCWD, "./79/binderfs",  <unfinished ...>
[pid  6265] <... close resumed>)        = 0
[pid  6264] close(4 <unfinished ...>
[pid  6263] close(17 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6264] <... close resumed>)        = 0
[pid  6263] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6265] close(6 <unfinished ...>
[pid  6264] close(5 <unfinished ...>
[pid  6263] close(18 <unfinished ...>
[pid  5856] unlink("./79/binderfs" <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6265] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6264] <... close resumed>)        = 0
[pid  6263] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... unlink resumed>)       = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6265] close(7 <unfinished ...>
[pid  6263] close(19 <unfinished ...>
[pid  6265] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6264] close(6 <unfinished ...>
[pid  6263] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5853] umount2("./78/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6265] close(8 <unfinished ...>
[pid  6264] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6263] close(20 <unfinished ...>
[pid  6264] close(7 <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6264] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6265] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6264] close(8 <unfinished ...>
[pid  6263] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] newfstatat(AT_FDCWD, "./78/binderfs",  <unfinished ...>
[pid  6265] close(9 <unfinished ...>
[pid  6264] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6263] close(21 <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6265] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6264] close(9 <unfinished ...>
[pid  6263] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... close resumed>)        = 0
[pid  5853] unlink("./78/binderfs" <unfinished ...>
[pid  6265] close(10 <unfinished ...>
[pid  6264] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6263] close(22 <unfinished ...>
[pid  5856] rmdir("./79" <unfinished ...>
[pid  6265] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6264] close(10 <unfinished ...>
[pid  6263] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... rmdir resumed>)        = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  6265] close(11 <unfinished ...>
[pid  6264] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6263] close(23 <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6265] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6264] close(11 <unfinished ...>
[pid  6263] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] mkdir("./80", 0777 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6265] close(12 <unfinished ...>
[pid  6264] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6263] close(24 <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  6265] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6264] close(12 <unfinished ...>
[pid  6263] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] close(3 <unfinished ...>
[pid  6264] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... close resumed>)        = 0
[pid  6264] close(13 <unfinished ...>
[pid  5853] rmdir("./78" <unfinished ...>
[pid  6264] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6265] close(13 <unfinished ...>
[pid  6263] close(25 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6266 attached
 <unfinished ...>
[pid  6265] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6264] close(14 <unfinished ...>
[pid  6263] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... rmdir resumed>)        = 0
[pid  6265] close(14 <unfinished ...>
[pid  6264] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6263] close(26 <unfinished ...>
[pid  6266] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6264] close(15 <unfinished ...>
[pid  6266] <... set_robust_list resumed>) = 0
[pid  6264] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6264] close(16 <unfinished ...>
[pid  6265] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6264] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6263] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 82
[pid  5853] mkdir("./79", 0777 <unfinished ...>
[pid  6266] chdir("./80" <unfinished ...>
[pid  6265] close(15 <unfinished ...>
[pid  6264] close(17 <unfinished ...>
[pid  6263] close(27 <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  6266] <... chdir resumed>)        = 0
[pid  6265] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6264] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6263] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6266] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6265] close(16 <unfinished ...>
[pid  6264] close(18 <unfinished ...>
[pid  6263] close(28./strace-static-x86_64: Process 6267 attached
 <unfinished ...>
[pid  6266] <... prctl resumed>)        = 0
[pid  6264] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6265] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6264] close(19 <unfinished ...>
[pid  6267] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6264] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6266] setpgid(0, 0 <unfinished ...>
[pid  6265] close(17 <unfinished ...>
[pid  6263] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6265] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6263] close(29 <unfinished ...>
[pid  6267] <... set_robust_list resumed>) = 0
[pid  6266] <... setpgid resumed>)      = 0
[pid  6265] close(18 <unfinished ...>
[pid  6264] close(20 <unfinished ...>
[pid  6263] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 81
[pid  6267] chdir("./79" <unfinished ...>
[pid  6265] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6263] exit_group(0 <unfinished ...>
[pid  6266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6265] close(19 <unfinished ...>
[pid  6264] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6263] <... exit_group resumed>)   = ?
[pid  6267] <... chdir resumed>)        = 0
[pid  6266] <... openat resumed>)       = 3
[pid  6265] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6264] close(21 <unfinished ...>
[pid  6263] +++ exited with 0 +++
[pid  6267] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6265] close(20 <unfinished ...>
[pid  6264] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6267] <... prctl resumed>)        = 0
[pid  6266] write(3, "1000", 4 <unfinished ...>
[pid  6265] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6264] close(22 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6266] <... write resumed>)        = 4
[pid  6265] close(21 <unfinished ...>
[pid  6264] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6265] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6267] setpgid(0, 0 <unfinished ...>
[pid  6266] close(3 <unfinished ...>
[pid  6264] close(23 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6267] <... setpgid resumed>)      = 0
[pid  6266] <... close resumed>)        = 0
[pid  6265] close(22 <unfinished ...>
[pid  6264] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6265] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6265] close(23 <unfinished ...>
[pid  6267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6265] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6264] close(24 <unfinished ...>
[pid  6265] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  6265] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  6265] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  6265] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  6265] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  6265] close(29 <unfinished ...>
[pid  6266] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6264] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6267] <... openat resumed>)       = 3
[pid  6265] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6267] write(3, "1000", 4 <unfinished ...>
[pid  6266] <... symlink resumed>)      = 0
[pid  6265] exit_group(0 <unfinished ...>
[pid  6264] close(25 <unfinished ...>
[pid  6267] <... write resumed>)        = 4
[pid  6266] write(1, "executing program\n", 18 <unfinished ...>
[pid  6264] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  6267] close(3 <unfinished ...>
[pid  6266] <... write resumed>)        = 18
[pid  6264] close(26 <unfinished ...>
[pid  6267] <... close resumed>)        = 0
[pid  6264] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6265] <... exit_group resumed>)   = ?
[pid  6267] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6266] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6265] +++ exited with 0 +++
[pid  6264] close(27 <unfinished ...>
[pid  6267] <... symlink resumed>)      = 0
[pid  6264] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  6267] write(1, "executing program\n", 18 <unfinished ...>
[pid  6266] <... bpf resumed>)          = 3
[pid  6264] close(28 <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6267] <... write resumed>)        = 18
[pid  6264] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6266] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6264] close(29 <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6267] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6266] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6264] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5855] <... restart_syscall resumed>) = 0
[pid  6267] <... bpf resumed>)          = 3
[pid  6267] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6266] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6264] exit_group(0 <unfinished ...>
[pid  6267] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6267] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6264] <... exit_group resumed>)   = ?
[pid  5857] umount2("./80", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] umount2("./79", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6267] <... bpf resumed>)          = 4
[pid  6266] <... bpf resumed>)          = 4
[pid  6264] +++ exited with 0 +++
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6267] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6266] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6267] <... bpf resumed>)          = 5
[pid  6266] <... bpf resumed>)          = 5
[pid  5857] <... openat resumed>)       = 3
[pid  6267] close(3 <unfinished ...>
[pid  6266] close(3 <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6267] <... close resumed>)        = 0
[pid  6266] <... close resumed>)        = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6267] close(4 <unfinished ...>
[pid  6266] close(4 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6267] <... close resumed>)        = 0
[pid  6266] <... close resumed>)        = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6267] close(5 <unfinished ...>
[pid  6266] close(5 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6267] <... close resumed>)        = 0
[pid  6266] <... close resumed>)        = 0
[pid  5857] umount2("./80/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6267] close(6 <unfinished ...>
[pid  5855] umount2("./79/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6266] close(6)                    = -1 EBADF (Bad file descriptor)
[pid  6267] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6266] close(7 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... restart_syscall resumed>) = 0
[pid  6267] close(7 <unfinished ...>
[pid  6266] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(AT_FDCWD, "./80/binderfs",  <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./79/binderfs",  <unfinished ...>
[pid  6267] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6266] close(8 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6267] close(8 <unfinished ...>
[pid  6266] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6267] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6266] close(9 <unfinished ...>
[pid  5857] unlink("./80/binderfs" <unfinished ...>
[pid  5855] unlink("./79/binderfs" <unfinished ...>
[pid  6267] close(9 <unfinished ...>
[pid  6266] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... unlink resumed>)       = 0
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] umount2("./79", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6267] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6266] close(10 <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6267] close(10 <unfinished ...>
[pid  6266] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6267] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6266] close(11 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6267] close(11 <unfinished ...>
[pid  6266] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] close(3 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  6267] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6266] close(12 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5855] <... close resumed>)        = 0
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  6267] close(12 <unfinished ...>
[pid  6266] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] rmdir("./80" <unfinished ...>
[pid  5855] rmdir("./79" <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6267] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6266] close(13 <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  6267] close(13 <unfinished ...>
[pid  6266] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] mkdir("./81", 0777 <unfinished ...>
[pid  5855] mkdir("./80", 0777 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6267] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6266] close(14 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6267] close(14 <unfinished ...>
[pid  6266] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] umount2("./79/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6267] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6266] close(15 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6268 attached
 <unfinished ...>
[pid  6267] close(15 <unfinished ...>
[pid  6266] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] newfstatat(AT_FDCWD, "./79/binderfs",  <unfinished ...>
[pid  6268] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6267] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6266] close(16 <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
./strace-static-x86_64: Process 6269 attached
[pid  6267] close(16 <unfinished ...>
[pid  6266] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 83
[pid  6266] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  6268] <... set_robust_list resumed>) = 0
[pid  6267] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6266] close(18 <unfinished ...>
[pid  6269] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5854] unlink("./79/binderfs" <unfinished ...>
[pid  6268] chdir("./81" <unfinished ...>
[pid  6267] close(17 <unfinished ...>
[pid  6266] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6269] <... set_robust_list resumed>) = 0
[pid  6268] <... chdir resumed>)        = 0
[pid  6267] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6266] close(19 <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  6267] close(18 <unfinished ...>
[pid  6266] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 82
[pid  6269] chdir("./80" <unfinished ...>
[pid  6268] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6267] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6266] close(20 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6268] <... prctl resumed>)        = 0
[pid  6267] close(19 <unfinished ...>
[pid  6266] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6269] <... chdir resumed>)        = 0
[pid  6268] setpgid(0, 0 <unfinished ...>
[pid  6267] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6266] close(21 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6269] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6268] <... setpgid resumed>)      = 0
[pid  6267] close(20 <unfinished ...>
[pid  6266] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] close(3 <unfinished ...>
[pid  6269] <... prctl resumed>)        = 0
[pid  6267] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6266] close(22 <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  6269] setpgid(0, 0 <unfinished ...>
[pid  6268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6267] close(21 <unfinished ...>
[pid  6266] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] rmdir("./79" <unfinished ...>
[pid  6269] <... setpgid resumed>)      = 0
[pid  6267] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6266] close(23 <unfinished ...>
[pid  6267] close(22 <unfinished ...>
[pid  6266] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... rmdir resumed>)        = 0
[pid  6267] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6266] close(24 <unfinished ...>
[pid  6267] close(23 <unfinished ...>
[pid  6266] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6267] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6266] close(25 <unfinished ...>
[pid  6267] close(24 <unfinished ...>
[pid  6266] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6268] <... openat resumed>)       = 3
[pid  6267] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6266] close(26 <unfinished ...>
[pid  6268] write(3, "1000", 4 <unfinished ...>
[pid  6267] close(25 <unfinished ...>
[pid  6266] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] mkdir("./80", 0777 <unfinished ...>
[pid  6269] <... openat resumed>)       = 3
[pid  6268] <... write resumed>)        = 4
[pid  6267] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6266] close(27 <unfinished ...>
[pid  6267] close(26 <unfinished ...>
[pid  6266] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6267] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6266] close(28 <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  6267] close(27 <unfinished ...>
[pid  6266] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6269] write(3, "1000", 4 <unfinished ...>
[pid  6268] close(3 <unfinished ...>
[pid  6267] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6266] close(29 <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6269] <... write resumed>)        = 4
[pid  6268] <... close resumed>)        = 0
[pid  6267] close(28 <unfinished ...>
[pid  6266] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6267] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6266] exit_group(0 <unfinished ...>
[pid  6267] close(29)                   = -1 EBADF (Bad file descriptor)
./strace-static-x86_64: Process 6270 attached
[pid  6269] close(3 <unfinished ...>
[pid  6268] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6266] <... exit_group resumed>)   = ?
[pid  6269] <... close resumed>)        = 0
[pid  6270] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6269] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6268] <... symlink resumed>)      = 0
[pid  6267] exit_group(0 <unfinished ...>
[pid  6266] +++ exited with 0 +++
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 82
[pid  6270] <... set_robust_list resumed>) = 0
[pid  6269] <... symlink resumed>)      = 0
[pid  6268] write(1, "executing program\n", 18 <unfinished ...>
[pid  6267] <... exit_group resumed>)   = ?
executing program
[pid  6270] chdir("./80" <unfinished ...>
[pid  6269] write(1, "executing program\n", 18 <unfinished ...>
[pid  6268] <... write resumed>)        = 18
[pid  6267] +++ exited with 0 +++
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
executing program
[pid  6270] <... chdir resumed>)        = 0
[pid  6269] <... write resumed>)        = 18
[pid  6270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6268] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6269] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6268] <... bpf resumed>)          = 3
[pid  5856] umount2("./80", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6268] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6269] <... bpf resumed>)          = 3
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6270] setpgid(0, 0 <unfinished ...>
[pid  6269] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5856] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6270] <... setpgid resumed>)      = 0
[pid  6269] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6268] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  6270] <... openat resumed>)       = 3
[pid  6269] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6268] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6270] write(3, "1000", 4 <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  6270] <... write resumed>)        = 4
[pid  6270] close(3)                    = 0
[pid  6270] symlink("/dev/binderfs", "./binderfs"executing program
 <unfinished ...>
[pid  6269] <... bpf resumed>)          = 4
[pid  6270] <... symlink resumed>)      = 0
[pid  6270] write(1, "executing program\n", 18) = 18
[pid  6270] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6268] <... bpf resumed>)          = 4
[pid  6270] <... bpf resumed>)          = 3
[pid  6269] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6270] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6269] <... bpf resumed>)          = 5
[pid  6268] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6270] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6269] close(3 <unfinished ...>
[pid  6268] <... bpf resumed>)          = 5
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6270] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6269] <... close resumed>)        = 0
[pid  5856] umount2("./80/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6269] close(4 <unfinished ...>
[pid  6268] close(3 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6269] <... close resumed>)        = 0
[pid  5856] newfstatat(AT_FDCWD, "./80/binderfs",  <unfinished ...>
[pid  5853] umount2("./79", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6269] close(5 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6269] <... close resumed>)        = 0
[pid  5856] unlink("./80/binderfs" <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6270] <... bpf resumed>)          = 4
[pid  6268] <... close resumed>)        = 0
[pid  6270] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6268] close(4 <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5853] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6269] close(6 <unfinished ...>
[pid  6268] <... close resumed>)        = 0
[pid  6268] close(5 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  6269] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6268] <... close resumed>)        = 0
[pid  5856] <... close resumed>)        = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5856] rmdir("./80" <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] <... rmdir resumed>)        = 0
[pid  5853] umount2("./79/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] mkdir("./81", 0777 <unfinished ...>
[pid  6270] <... bpf resumed>)          = 5
[pid  6269] close(7 <unfinished ...>
[pid  6268] close(6 <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6270] close(3 <unfinished ...>
[pid  6269] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6268] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6270] <... close resumed>)        = 0
[pid  6269] close(8 <unfinished ...>
[pid  6268] close(7 <unfinished ...>
[pid  6270] close(4 <unfinished ...>
[pid  6269] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6268] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6269] close(9 <unfinished ...>
[pid  6268] close(8 <unfinished ...>
[pid  6270] <... close resumed>)        = 0
[pid  6269] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6268] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6270] close(5 <unfinished ...>
[pid  6269] close(10 <unfinished ...>
[pid  6268] close(9 <unfinished ...>
[pid  6269] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6268] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... mkdir resumed>)        = 0
[pid  5853] newfstatat(AT_FDCWD, "./79/binderfs",  <unfinished ...>
[pid  6269] close(11 <unfinished ...>
[pid  6268] close(10 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6270] <... close resumed>)        = 0
[pid  6269] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6268] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] unlink("./79/binderfs"./strace-static-x86_64: Process 6271 attached
 <unfinished ...>
[pid  6270] close(6 <unfinished ...>
[pid  6269] close(12 <unfinished ...>
[pid  6268] close(11 <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  6270] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6269] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6270] close(7 <unfinished ...>
[pid  6269] close(13 <unfinished ...>
[pid  6268] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6270] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6269] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6268] close(12 <unfinished ...>
[pid  6270] close(8 <unfinished ...>
[pid  6269] close(14 <unfinished ...>
[pid  6268] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6270] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6269] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6268] close(13 <unfinished ...>
[pid  6271] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6270] close(9 <unfinished ...>
[pid  6269] close(15 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 83
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6271] <... set_robust_list resumed>) = 0
[pid  6270] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6269] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6268] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6270] close(10 <unfinished ...>
[pid  6269] close(16 <unfinished ...>
[pid  6268] close(14 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6271] chdir("./81" <unfinished ...>
[pid  6270] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6269] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6268] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] close(3 <unfinished ...>
[pid  6271] <... chdir resumed>)        = 0
[pid  6270] close(11 <unfinished ...>
[pid  6269] close(17 <unfinished ...>
[pid  6268] close(15 <unfinished ...>
[pid  6271] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6270] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6269] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6268] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... close resumed>)        = 0
[pid  6271] <... prctl resumed>)        = 0
[pid  6270] close(12 <unfinished ...>
[pid  6269] close(18 <unfinished ...>
[pid  6268] close(16 <unfinished ...>
[pid  5853] rmdir("./79" <unfinished ...>
[pid  6271] setpgid(0, 0 <unfinished ...>
[pid  6270] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6269] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6268] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6271] <... setpgid resumed>)      = 0
[pid  6270] close(13 <unfinished ...>
[pid  6269] close(19 <unfinished ...>
[pid  6268] close(17 <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  6270] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6269] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6268] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6270] close(14 <unfinished ...>
[pid  6269] close(20 <unfinished ...>
[pid  6268] close(18 <unfinished ...>
[pid  5853] mkdir("./80", 0777 <unfinished ...>
[pid  6271] <... openat resumed>)       = 3
[pid  6270] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6269] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6268] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6271] write(3, "1000", 4 <unfinished ...>
[pid  6270] close(15 <unfinished ...>
[pid  6269] close(21 <unfinished ...>
[pid  6268] close(19 <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  6271] <... write resumed>)        = 4
[pid  6270] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6269] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6268] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6271] close(3 <unfinished ...>
[pid  6270] close(16 <unfinished ...>
[pid  6269] close(22 <unfinished ...>
[pid  6268] close(20 <unfinished ...>
[pid  6271] <... close resumed>)        = 0
[pid  6270] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6269] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6268] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6270] close(17 <unfinished ...>
[pid  6269] close(23 <unfinished ...>
[pid  6268] close(21 <unfinished ...>
[pid  6270] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6269] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6268] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6270] close(18 <unfinished ...>
[pid  6269] close(24 <unfinished ...>
[pid  6268] close(22 <unfinished ...>
[pid  6270] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6269] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6268] <... close resumed>)        = -1 EBADF (Bad file descriptor)
./strace-static-x86_64: Process 6272 attached
[pid  6270] close(19 <unfinished ...>
[pid  6269] close(25 <unfinished ...>
[pid  6268] close(23 <unfinished ...>
[pid  6272] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6270] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6269] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6268] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6272] <... set_robust_list resumed>) = 0
[pid  6271] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6270] close(20 <unfinished ...>
[pid  6269] close(26 <unfinished ...>
[pid  6268] close(24 <unfinished ...>
[pid  6272] chdir("./80" <unfinished ...>
executing program
[pid  6271] <... symlink resumed>)      = 0
[pid  6270] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6269] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6268] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 82
[pid  6271] write(1, "executing program\n", 18 <unfinished ...>
[pid  6272] <... chdir resumed>)        = 0
[pid  6271] <... write resumed>)        = 18
[pid  6270] close(21 <unfinished ...>
[pid  6269] close(27 <unfinished ...>
[pid  6268] close(25 <unfinished ...>
[pid  6272] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6271] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6270] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6269] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6268] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6272] <... prctl resumed>)        = 0
[pid  6271] <... bpf resumed>)          = 3
[pid  6270] close(22 <unfinished ...>
[pid  6269] close(28 <unfinished ...>
[pid  6268] close(26 <unfinished ...>
[pid  6272] setpgid(0, 0 <unfinished ...>
[pid  6271] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6270] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6269] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6268] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6272] <... setpgid resumed>)      = 0
[pid  6271] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6270] close(23 <unfinished ...>
[pid  6269] close(29 <unfinished ...>
[pid  6268] close(27 <unfinished ...>
[pid  6272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6271] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6270] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6269] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6268] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6272] <... openat resumed>)       = 3
[pid  6270] close(24 <unfinished ...>
[pid  6269] exit_group(0 <unfinished ...>
[pid  6268] close(28 <unfinished ...>
[pid  6270] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6269] <... exit_group resumed>)   = ?
[pid  6268] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6272] write(3, "1000", 4 <unfinished ...>
[pid  6271] <... bpf resumed>)          = 4
[pid  6270] close(25 <unfinished ...>
[pid  6269] +++ exited with 0 +++
[pid  6268] close(29 <unfinished ...>
[pid  6272] <... write resumed>)        = 4
[pid  6270] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6268] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6272] close(3 <unfinished ...>
[pid  6271] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6270] close(26 <unfinished ...>
[pid  6268] exit_group(0 <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6272] <... close resumed>)        = 0
[pid  6270] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6272] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6270] close(27 <unfinished ...>
[pid  6268] <... exit_group resumed>)   = ?
[pid  6272] <... symlink resumed>)      = 0
[pid  6271] <... bpf resumed>)          = 5
[pid  6270] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6268] +++ exited with 0 +++
[pid  6272] write(1, "executing program\n", 18 <unfinished ...>
[pid  6270] close(28executing program
 <unfinished ...>
[pid  6272] <... write resumed>)        = 18
[pid  6270] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6272] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6271] close(3 <unfinished ...>
[pid  6270] close(29 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6272] <... bpf resumed>)          = 3
[pid  6271] <... close resumed>)        = 0
[pid  6270] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6271] close(4 <unfinished ...>
[pid  6270] exit_group(0 <unfinished ...>
[pid  6272] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6271] <... close resumed>)        = 0
[pid  6272] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6271] close(5 <unfinished ...>
[pid  6270] <... exit_group resumed>)   = ?
[pid  6272] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6271] <... close resumed>)        = 0
[pid  6270] +++ exited with 0 +++
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6271] close(6 <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6271] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6272] <... bpf resumed>)          = 4
[pid  6271] close(7 <unfinished ...>
[pid  5855] <... restart_syscall resumed>) = 0
[pid  6271] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6271] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  6272] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6271] close(9 <unfinished ...>
[pid  5855] umount2("./80", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6271] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6272] <... bpf resumed>)          = 5
[pid  6271] close(10 <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6271] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6271] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  5855] <... openat resumed>)       = 3
[pid  6272] close(3)                    = 0
[pid  6271] close(12 <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... restart_syscall resumed>) = 0
[pid  6271] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6272] close(4 <unfinished ...>
[pid  6271] close(13 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6272] <... close resumed>)        = 0
[pid  6271] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6272] close(5 <unfinished ...>
[pid  6271] close(14 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6272] <... close resumed>)        = 0
[pid  6271] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./81", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] umount2("./80/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6271] close(15 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] umount2("./80", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6271] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6272] close(6 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6272] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] newfstatat(AT_FDCWD, "./80/binderfs",  <unfinished ...>
[pid  6272] close(7 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6272] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6271] close(16 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6271] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6272] close(8 <unfinished ...>
[pid  6271] close(17 <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5855] unlink("./80/binderfs" <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6272] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6271] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  6272] close(9 <unfinished ...>
[pid  6271] close(18 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] <... openat resumed>)       = 3
[pid  6272] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6271] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6272] close(10 <unfinished ...>
[pid  6271] close(19 <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  6272] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6271] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6272] close(11 <unfinished ...>
[pid  6271] close(20 <unfinished ...>
[pid  5857] umount2("./81/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  6272] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6271] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6271] close(21 <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./81/binderfs",  <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6271] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6271] close(22 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] umount2("./80/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6271] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6271] close(23 <unfinished ...>
[pid  5857] unlink("./81/binderfs" <unfinished ...>
[pid  6271] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... unlink resumed>)       = 0
[pid  5854] newfstatat(AT_FDCWD, "./80/binderfs",  <unfinished ...>
[pid  6271] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6271] close(25 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  6271] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] unlink("./80/binderfs" <unfinished ...>
[pid  6271] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  5857] close(3 <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  6271] close(27 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  6271] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] rmdir("./81" <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6271] close(28 <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  6271] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6271] close(29 <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  6272] close(12 <unfinished ...>
[pid  5857] mkdir("./82", 0777 <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  6272] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6271] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... mkdir resumed>)        = 0
[pid  5855] rmdir("./80" <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  6272] close(13 <unfinished ...>
[pid  6271] exit_group(0 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] rmdir("./80" <unfinished ...>
[pid  6272] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... rmdir resumed>)        = 0
[pid  6272] close(14 <unfinished ...>
[pid  5855] mkdir("./81", 0777./strace-static-x86_64: Process 6273 attached
 <unfinished ...>
[pid  6272] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6271] <... exit_group resumed>)   = ?
[pid  5855] <... mkdir resumed>)        = 0
[pid  6273] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6272] close(15 <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
./strace-static-x86_64: Process 6274 attached
[pid  6273] <... set_robust_list resumed>) = 0
[pid  6272] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 84
[pid  5854] mkdir("./81", 0777 <unfinished ...>
[pid  6274] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6273] chdir("./82" <unfinished ...>
[pid  6272] close(16 <unfinished ...>
[pid  6271] +++ exited with 0 +++
[pid  6274] <... set_robust_list resumed>) = 0
[pid  6273] <... chdir resumed>)        = 0
[pid  6272] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 83
[pid  5854] <... mkdir resumed>)        = 0
[pid  6272] close(17 <unfinished ...>
[pid  6273] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6272] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6272] close(18 <unfinished ...>
[pid  6273] <... prctl resumed>)        = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6272] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6273] setpgid(0, 0 <unfinished ...>
[pid  6272] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  6272] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  6272] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  6272] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  6272] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  6272] close(24./strace-static-x86_64: Process 6275 attached
 <unfinished ...>
[pid  6274] chdir("./81" <unfinished ...>
[pid  6273] <... setpgid resumed>)      = 0
[pid  6272] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] umount2("./81", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6275] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6272] close(25 <unfinished ...>
[pid  6275] <... set_robust_list resumed>) = 0
[pid  6272] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6275] chdir("./81" <unfinished ...>
[pid  6272] close(26 <unfinished ...>
[pid  6273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6274] <... chdir resumed>)        = 0
[pid  6272] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6272] close(27 <unfinished ...>
[pid  6275] <... chdir resumed>)        = 0
[pid  6272] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6274] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6275] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6272] close(28 <unfinished ...>
[pid  6274] <... prctl resumed>)        = 0
[pid  5856] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 83
[pid  6275] <... prctl resumed>)        = 0
[pid  6274] setpgid(0, 0 <unfinished ...>
[pid  6273] <... openat resumed>)       = 3
[pid  6272] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6275] setpgid(0, 0 <unfinished ...>
[pid  6274] <... setpgid resumed>)      = 0
[pid  6272] close(29 <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  6275] <... setpgid resumed>)      = 0
[pid  6273] write(3, "1000", 4 <unfinished ...>
[pid  6272] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  6275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6273] <... write resumed>)        = 4
[pid  6272] exit_group(0)               = ?
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6275] <... openat resumed>)       = 3
[pid  6274] <... openat resumed>)       = 3
[pid  6273] close(3 <unfinished ...>
[pid  6272] +++ exited with 0 +++
[pid  6274] write(3, "1000", 4 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6274] <... write resumed>)        = 4
[pid  6273] <... close resumed>)        = 0
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6273] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6274] close(3 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6275] write(3, "1000", 4executing program
executing program
)         = 4
[pid  6275] close(3)                    = 0
[pid  6275] symlink("/dev/binderfs", "./binderfs") = 0
[pid  6273] <... symlink resumed>)      = 0
[pid  6275] write(1, "executing program\n", 18 <unfinished ...>
[pid  6274] <... close resumed>)        = 0
[pid  6273] write(1, "executing program\n", 18 <unfinished ...>
[pid  5856] umount2("./81/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6275] <... write resumed>)        = 18
[pid  6274] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6273] <... write resumed>)        = 18
[pid  6275] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6274] <... symlink resumed>)      = 0
executing program
[pid  6273] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./81/binderfs",  <unfinished ...>
[pid  6274] write(1, "executing program\n", 18 <unfinished ...>
[pid  6275] <... bpf resumed>)          = 3
[pid  6274] <... write resumed>)        = 18
[pid  6273] <... bpf resumed>)          = 3
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] unlink("./81/binderfs" <unfinished ...>
[pid  6273] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5856] <... unlink resumed>)       = 0
[pid  6275] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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 EFAULT (Bad address)
[pid  6274] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6273] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6275] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6274] <... bpf resumed>)          = 3
[pid  6273] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6275] <... bpf resumed>)          = 4
[pid  6274] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5856] close(3 <unfinished ...>
[pid  5853] <... restart_syscall resumed>) = 0
[pid  6275] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6273] <... bpf resumed>)          = 4
[pid  5856] <... close resumed>)        = 0
[pid  6274] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6275] <... bpf resumed>)          = 5
[pid  6273] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6274] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5856] rmdir("./81" <unfinished ...>
[pid  5853] umount2("./80", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6275] close(3 <unfinished ...>
[pid  6273] <... bpf resumed>)          = 5
[pid  5856] <... rmdir resumed>)        = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6275] <... close resumed>)        = 0
[pid  5853] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6275] close(4 <unfinished ...>
[pid  6273] close(3 <unfinished ...>
[pid  6274] <... bpf resumed>)          = 4
[pid  6275] <... close resumed>)        = 0
[pid  6273] <... close resumed>)        = 0
[pid  5856] mkdir("./82", 0777 <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  6275] close(5 <unfinished ...>
[pid  6274] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6273] close(4 <unfinished ...>
[pid  6275] <... close resumed>)        = 0
[pid  5856] <... mkdir resumed>)        = 0
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6274] <... bpf resumed>)          = 5
[pid  6273] <... close resumed>)        = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6275] close(6 <unfinished ...>
[pid  6274] close(3 <unfinished ...>
[pid  6273] close(5 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6275] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] umount2("./80/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6275] close(7 <unfinished ...>
[pid  6274] <... close resumed>)        = 0
[pid  6275] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6273] <... close resumed>)        = 0
[pid  6274] close(4 <unfinished ...>
[pid  6275] close(8 <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 6276 attached
[pid  5853] newfstatat(AT_FDCWD, "./80/binderfs",  <unfinished ...>
[pid  6274] <... close resumed>)        = 0
[pid  6276] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6275] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6274] close(5 <unfinished ...>
[pid  6273] close(6 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 84
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6276] <... set_robust_list resumed>) = 0
[pid  6275] close(9 <unfinished ...>
[pid  6273] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] unlink("./80/binderfs" <unfinished ...>
[pid  6276] chdir("./82" <unfinished ...>
[pid  6275] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6274] <... close resumed>)        = 0
[pid  6273] close(7 <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  6275] close(10 <unfinished ...>
[pid  6276] <... chdir resumed>)        = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6276] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6276] <... prctl resumed>)        = 0
[pid  6276] setpgid(0, 0 <unfinished ...>
[pid  5853] close(3)                    = 0
[pid  6276] <... setpgid resumed>)      = 0
[pid  6275] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6274] close(6 <unfinished ...>
[pid  6273] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] rmdir("./80" <unfinished ...>
[pid  6276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6275] close(11 <unfinished ...>
[pid  6274] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6273] close(8 <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  6275] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6273] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6275] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  6275] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  6275] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  6275] close(15 <unfinished ...>
[pid  6276] <... openat resumed>)       = 3
[pid  6275] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6274] close(7 <unfinished ...>
[pid  6273] close(9 <unfinished ...>
[pid  5853] mkdir("./81", 0777 <unfinished ...>
[pid  6274] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6273] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6273] close(10 <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  6274] close(8 <unfinished ...>
[pid  6273] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6274] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6274] close(9 <unfinished ...>
[pid  6273] close(11 <unfinished ...>
[pid  6276] write(3, "1000", 4 <unfinished ...>
[pid  6275] close(16 <unfinished ...>
[pid  6276] <... write resumed>)        = 4
[pid  6275] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6276] close(3 <unfinished ...>
[pid  6275] close(17 <unfinished ...>
[pid  6276] <... close resumed>)        = 0
[pid  6275] <... close resumed>)        = -1 EBADF (Bad file descriptor)
./strace-static-x86_64: Process 6277 attached
[pid  6276] symlink("/dev/binderfs", "./binderfs"executing program
 <unfinished ...>
[pid  6275] close(18 <unfinished ...>
[pid  6276] <... symlink resumed>)      = 0
[pid  6275] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6276] write(1, "executing program\n", 18 <unfinished ...>
[pid  6275] close(19 <unfinished ...>
[pid  6276] <... write resumed>)        = 18
[pid  6277] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6275] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6274] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6273] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6277] <... set_robust_list resumed>) = 0
[pid  6276] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6275] close(20 <unfinished ...>
[pid  6274] close(10 <unfinished ...>
[pid  6273] close(12 <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 83
[pid  6277] chdir("./81" <unfinished ...>
[pid  6276] <... bpf resumed>)          = 3
[pid  6275] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6274] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6273] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6277] <... chdir resumed>)        = 0
[pid  6275] close(21 <unfinished ...>
[pid  6274] close(11 <unfinished ...>
[pid  6273] close(13 <unfinished ...>
[pid  6277] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6274] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6273] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6277] <... prctl resumed>)        = 0
[pid  6274] close(12 <unfinished ...>
[pid  6273] close(14 <unfinished ...>
[pid  6277] setpgid(0, 0 <unfinished ...>
[pid  6274] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6273] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6277] <... setpgid resumed>)      = 0
[pid  6274] close(13 <unfinished ...>
[pid  6273] close(15 <unfinished ...>
[pid  6274] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6273] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6274] close(14 <unfinished ...>
[pid  6273] close(16 <unfinished ...>
[pid  6276] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6275] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6273] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6276] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6275] close(22 <unfinished ...>
[pid  6274] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6273] close(17 <unfinished ...>
[pid  6277] <... openat resumed>)       = 3
[pid  6276] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6275] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6274] close(15 <unfinished ...>
[pid  6273] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6277] write(3, "1000", 4 <unfinished ...>
[pid  6274] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6273] close(18 <unfinished ...>
[pid  6276] <... bpf resumed>)          = 4
[pid  6275] close(23 <unfinished ...>
[pid  6273] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6275] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6274] close(16 <unfinished ...>
[pid  6273] close(19 <unfinished ...>
[pid  6277] <... write resumed>)        = 4
[pid  6274] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6273] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6277] close(3 <unfinished ...>
[pid  6274] close(17 <unfinished ...>
[pid  6273] close(20 <unfinished ...>
[pid  6277] <... close resumed>)        = 0
[pid  6274] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6273] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6276] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6275] close(24 <unfinished ...>
[pid  6274] close(18 <unfinished ...>
[pid  6273] close(21 <unfinished ...>
[pid  6277] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6275] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6274] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6273] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6277] <... symlink resumed>)      = 0
[pid  6276] <... bpf resumed>)          = 5
[pid  6275] close(25 <unfinished ...>
[pid  6274] close(19 <unfinished ...>
[pid  6273] close(22executing program
 <unfinished ...>
[pid  6277] write(1, "executing program\n", 18 <unfinished ...>
[pid  6276] close(3 <unfinished ...>
[pid  6275] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6274] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6273] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6277] <... write resumed>)        = 18
[pid  6275] close(26 <unfinished ...>
[pid  6274] close(20 <unfinished ...>
[pid  6273] close(23 <unfinished ...>
[pid  6277] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6274] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6273] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6277] <... bpf resumed>)          = 3
[pid  6276] <... close resumed>)        = 0
[pid  6275] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6274] close(21 <unfinished ...>
[pid  6273] close(24 <unfinished ...>
[pid  6277] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6276] close(4 <unfinished ...>
[pid  6275] close(27 <unfinished ...>
[pid  6274] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6273] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6277] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6276] <... close resumed>)        = 0
[pid  6275] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6274] close(22 <unfinished ...>
[pid  6273] close(25 <unfinished ...>
[pid  6277] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6276] close(5 <unfinished ...>
[pid  6275] close(28 <unfinished ...>
[pid  6274] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6273] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6277] <... bpf resumed>)          = 4
[pid  6275] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6274] close(23 <unfinished ...>
[pid  6273] close(26 <unfinished ...>
[pid  6275] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  6274] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6273] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6275] exit_group(0 <unfinished ...>
[pid  6274] close(24 <unfinished ...>
[pid  6273] close(27 <unfinished ...>
[pid  6276] <... close resumed>)        = 0
[pid  6277] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6275] <... exit_group resumed>)   = ?
[pid  6274] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6273] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6274] close(25 <unfinished ...>
[pid  6273] close(28 <unfinished ...>
[pid  6274] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6273] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6274] close(26 <unfinished ...>
[pid  6273] close(29 <unfinished ...>
[pid  6274] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6273] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6277] <... bpf resumed>)          = 5
[pid  6276] close(6 <unfinished ...>
[pid  6274] close(27 <unfinished ...>
[pid  6273] exit_group(0 <unfinished ...>
[pid  6276] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6276] close(7 <unfinished ...>
[pid  6274] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6276] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6276] close(8 <unfinished ...>
[pid  6274] close(28 <unfinished ...>
[pid  6276] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6277] close(3 <unfinished ...>
[pid  6274] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6273] <... exit_group resumed>)   = ?
[pid  6277] <... close resumed>)        = 0
[pid  6276] close(9 <unfinished ...>
[pid  6275] +++ exited with 0 +++
[pid  6274] close(29 <unfinished ...>
[pid  6273] +++ exited with 0 +++
[pid  6277] close(4 <unfinished ...>
[pid  6276] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6274] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6277] <... close resumed>)        = 0
[pid  6276] close(10 <unfinished ...>
[pid  6274] exit_group(0 <unfinished ...>
[pid  6277] close(5 <unfinished ...>
[pid  6276] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6274] <... exit_group resumed>)   = ?
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6277] <... close resumed>)        = 0
[pid  6276] close(11 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6276] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6276] close(12 <unfinished ...>
[pid  6274] +++ exited with 0 +++
[pid  6276] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6277] close(6 <unfinished ...>
[pid  6276] close(13 <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  6277] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6276] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6277] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  6277] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  6276] close(14 <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6276] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6277] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  5855] <... restart_syscall resumed>) = 0
[pid  6277] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  6276] close(15 <unfinished ...>
[pid  6277] close(11 <unfinished ...>
[pid  6276] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./82", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] umount2("./81", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6277] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6276] close(16 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6277] close(12 <unfinished ...>
[pid  6276] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6277] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6276] close(17 <unfinished ...>
[pid  5855] umount2("./81", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6277] close(13 <unfinished ...>
[pid  6276] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... openat resumed>)       = 3
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6277] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6276] close(18 <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  6277] close(14 <unfinished ...>
[pid  6276] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6276] close(19 <unfinished ...>
[pid  6277] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6276] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6277] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  6277] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  6277] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  6277] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  6277] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  6277] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  6277] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  6277] close(22 <unfinished ...>
[pid  6276] close(20 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  6276] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  6276] close(21 <unfinished ...>
[pid  6277] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6276] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6277] close(23 <unfinished ...>
[pid  6276] close(22 <unfinished ...>
[pid  5857] umount2("./82/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6277] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6276] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6276] close(23 <unfinished ...>
[pid  5855] umount2("./81/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6276] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6277] close(24 <unfinished ...>
[pid  6276] close(24 <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./81/binderfs",  <unfinished ...>
[pid  6276] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(AT_FDCWD, "./82/binderfs",  <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6277] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6276] close(25 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6277] close(25 <unfinished ...>
[pid  5855] unlink("./81/binderfs" <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6277] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6276] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] unlink("./82/binderfs" <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6277] close(26 <unfinished ...>
[pid  6276] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  6277] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... unlink resumed>)       = 0
[pid  6277] close(27 <unfinished ...>
[pid  6276] close(27 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] umount2("./81/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6277] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6276] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6277] close(28 <unfinished ...>
[pid  6276] close(28 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6277] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6276] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] close(3 <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./81/binderfs",  <unfinished ...>
[pid  6277] close(29 <unfinished ...>
[pid  6276] close(29 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  6277] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6276] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] rmdir("./81" <unfinished ...>
[pid  6277] exit_group(0 <unfinished ...>
[pid  6276] exit_group(0 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6277] <... exit_group resumed>)   = ?
[pid  6276] <... exit_group resumed>)   = ?
[pid  5857] rmdir("./82" <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] unlink("./81/binderfs" <unfinished ...>
[pid  6277] +++ exited with 0 +++
[pid  6276] +++ exited with 0 +++
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5855] mkdir("./82", 0777)         = 0
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  5857] mkdir("./83", 0777 <unfinished ...>
[pid  5854] getdents64(3, ./strace-static-x86_64: Process 6278 attached
 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  6278] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 84
[pid  5854] <... close resumed>)        = 0
./strace-static-x86_64: Process 6279 attached
[pid  6278] <... set_robust_list resumed>) = 0
[pid  5854] rmdir("./81" <unfinished ...>
[pid  6279] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6278] chdir("./82" <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 85
[pid  6279] <... set_robust_list resumed>) = 0
[pid  6278] <... chdir resumed>)        = 0
[pid  6279] chdir("./83" <unfinished ...>
[pid  6278] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  6278] <... prctl resumed>)        = 0
[pid  6278] setpgid(0, 0)               = 0
[pid  6279] <... chdir resumed>)        = 0
[pid  6278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5854] mkdir("./82", 0777 <unfinished ...>
[pid  5853] <... restart_syscall resumed>) = 0
[pid  6279] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  6279] setpgid(0, 0 <unfinished ...>
[pid  6278] <... openat resumed>)       = 3
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6279] <... setpgid resumed>)      = 0
[pid  6278] write(3, "1000", 4 <unfinished ...>
[pid  5856] umount2("./82", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6278] <... write resumed>)        = 4
[pid  6278] close(3./strace-static-x86_64: Process 6280 attached
 <unfinished ...>
[pid  6279] <... openat resumed>)       = 3
[pid  6278] <... close resumed>)        = 0
[pid  6278] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6280] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6279] write(3, "1000", 4 <unfinished ...>
[pid  6278] <... symlink resumed>)      = 0
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] umount2("./81", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6279] <... write resumed>)        = 4
[pid  5856] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 84
executing program
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6280] <... set_robust_list resumed>) = 0
[pid  6279] close(3 <unfinished ...>
[pid  6278] write(1, "executing program\n", 18 <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5853] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6280] chdir("./82" <unfinished ...>
[pid  6279] <... close resumed>)        = 0
[pid  6278] <... write resumed>)        = 18
[pid  6280] <... chdir resumed>)        = 0
[pid  6280] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6278] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6280] <... prctl resumed>)        = 0
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  6280] setpgid(0, 0 <unfinished ...>
[pid  6278] <... bpf resumed>)          = 3
[pid  6279] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  6280] <... setpgid resumed>)      = 0
[pid  6279] <... symlink resumed>)      = 0
[pid  6278] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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, ...}, 144executing program
 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6279] write(1, "executing program\n", 18 <unfinished ...>
[pid  6278] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6279] <... write resumed>)        = 18
[pid  6279] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6280] <... openat resumed>)       = 3
[pid  6279] <... bpf resumed>)          = 3
[pid  6278] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5856] umount2("./82/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6280] write(3, "1000", 4 <unfinished ...>
[pid  6279] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5853] getdents64(3,  <unfinished ...>
[pid  6278] <... bpf resumed>)          = 4
[pid  6280] <... write resumed>)        = 4
[pid  6279] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6280] close(3 <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./82/binderfs",  <unfinished ...>
[pid  6280] <... close resumed>)        = 0
[pid  6280] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] umount2("./81/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6280] <... symlink resumed>)      = 0
[pid  6279] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6278] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5856] unlink("./82/binderfs" <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
executing program
[pid  6280] write(1, "executing program\n", 18 <unfinished ...>
[pid  6279] <... bpf resumed>)          = 4
[pid  5856] <... unlink resumed>)       = 0
[pid  5853] newfstatat(AT_FDCWD, "./81/binderfs",  <unfinished ...>
[pid  6280] <... write resumed>)        = 18
[pid  6278] <... bpf resumed>)          = 5
[pid  6280] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6278] close(3 <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6280] <... bpf resumed>)          = 3
[pid  6279] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6278] <... close resumed>)        = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5853] unlink("./81/binderfs" <unfinished ...>
[pid  6280] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5853] <... unlink resumed>)       = 0
[pid  6280] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5853] getdents64(3, 0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6280] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6279] <... bpf resumed>)          = 5
[pid  6278] close(4 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] close(3 <unfinished ...>
[pid  6280] <... bpf resumed>)          = 4
[pid  6278] <... close resumed>)        = 0
[pid  5853] <... close resumed>)        = 0
[pid  6280] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6279] close(3 <unfinished ...>
[pid  6278] close(5 <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  6280] <... bpf resumed>)          = 5
[pid  6279] <... close resumed>)        = 0
[pid  6278] <... close resumed>)        = 0
[pid  5856] <... close resumed>)        = 0
[pid  5853] rmdir("./81" <unfinished ...>
[pid  6280] close(3 <unfinished ...>
[pid  6279] close(4 <unfinished ...>
[pid  6278] close(6 <unfinished ...>
[pid  5856] rmdir("./82" <unfinished ...>
[pid  6280] <... close resumed>)        = 0
[pid  6278] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... rmdir resumed>)        = 0
[pid  5853] mkdir("./82", 0777 <unfinished ...>
[pid  6280] close(4 <unfinished ...>
[pid  6279] <... close resumed>)        = 0
[pid  6278] close(7 <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  6280] <... close resumed>)        = 0
[pid  6279] close(5 <unfinished ...>
[pid  6278] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] mkdir("./83", 0777 <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6280] close(5 <unfinished ...>
[pid  6278] close(8 <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
./strace-static-x86_64: Process 6281 attached
[pid  6280] <... close resumed>)        = 0
[pid  6279] <... close resumed>)        = 0
[pid  6278] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6281] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6280] close(6 <unfinished ...>
[pid  6279] close(6 <unfinished ...>
[pid  6278] close(9 <unfinished ...>
[pid  6281] <... set_robust_list resumed>) = 0
[pid  6280] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6279] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6278] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 84
./strace-static-x86_64: Process 6282 attached
[pid  6279] close(7 <unfinished ...>
[pid  6278] close(10 <unfinished ...>
[pid  6281] chdir("./82" <unfinished ...>
[pid  6282] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6280] close(7 <unfinished ...>
[pid  6279] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6278] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 85
[pid  6282] <... set_robust_list resumed>) = 0
[pid  6280] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6279] close(8 <unfinished ...>
[pid  6278] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  6280] close(8 <unfinished ...>
[pid  6279] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6282] chdir("./83" <unfinished ...>
[pid  6281] <... chdir resumed>)        = 0
[pid  6281] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6280] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6279] close(9 <unfinished ...>
[pid  6278] close(12 <unfinished ...>
[pid  6282] <... chdir resumed>)        = 0
[pid  6281] <... prctl resumed>)        = 0
[pid  6280] close(9 <unfinished ...>
[pid  6279] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6278] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6282] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6281] setpgid(0, 0 <unfinished ...>
[pid  6280] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6279] close(10 <unfinished ...>
[pid  6278] close(13 <unfinished ...>
[pid  6282] <... prctl resumed>)        = 0
[pid  6281] <... setpgid resumed>)      = 0
[pid  6280] close(10 <unfinished ...>
[pid  6279] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6278] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6282] setpgid(0, 0 <unfinished ...>
[pid  6281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6280] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6279] close(11 <unfinished ...>
[pid  6278] close(14 <unfinished ...>
[pid  6282] <... setpgid resumed>)      = 0
[pid  6281] <... openat resumed>)       = 3
[pid  6280] close(11 <unfinished ...>
[pid  6279] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6281] write(3, "1000", 4 <unfinished ...>
[pid  6282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6281] <... write resumed>)        = 4
[pid  6280] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6279] close(12 <unfinished ...>
[pid  6281] close(3)                    = 0
[pid  6282] <... openat resumed>)       = 3
[pid  6280] close(12 <unfinished ...>
[pid  6279] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6278] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6280] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6279] close(13 <unfinished ...>
[pid  6280] close(13 <unfinished ...>
[pid  6279] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6280] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6279] close(14 <unfinished ...>
[pid  6280] close(14 <unfinished ...>
[pid  6279] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6280] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6279] close(15 <unfinished ...>
[pid  6280] close(15 <unfinished ...>
[pid  6279] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6280] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6279] close(16 <unfinished ...>
[pid  6280] close(16 <unfinished ...>
[pid  6279] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6280] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6279] close(17 <unfinished ...>
[pid  6280] close(17 <unfinished ...>
[pid  6279] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6280] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6279] close(18 <unfinished ...>
[pid  6280] close(18 <unfinished ...>
[pid  6279] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6282] write(3, "1000", 4 <unfinished ...>
[pid  6281] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6278] close(15 <unfinished ...>
[pid  6282] <... write resumed>)        = 4
[pid  6280] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6279] close(19 <unfinished ...>
[pid  6282] close(3 <unfinished ...>
[pid  6281] <... symlink resumed>)      = 0
[pid  6280] close(19 <unfinished ...>
[pid  6278] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  6282] <... close resumed>)        = 0
[pid  6281] write(1, "executing program\n", 18 <unfinished ...>
[pid  6280] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6279] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6278] close(16 <unfinished ...>
[pid  6282] symlink("/dev/binderfs", "./binderfs"executing program
 <unfinished ...>
[pid  6281] <... write resumed>)        = 18
[pid  6280] close(20 <unfinished ...>
[pid  6279] close(20 <unfinished ...>
[pid  6278] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6282] <... symlink resumed>)      = 0
[pid  6280] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6279] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6278] close(17 <unfinished ...>
[pid  6282] write(1, "executing program\n", 18 <unfinished ...>
[pid  6281] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6280] close(21 <unfinished ...>
[pid  6279] close(21 <unfinished ...>
[pid  6278] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6282] <... write resumed>)        = 18
[pid  6280] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6279] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6278] close(18 <unfinished ...>
[pid  6281] <... bpf resumed>)          = 3
[pid  6280] close(22 <unfinished ...>
[pid  6279] close(22 <unfinished ...>
[pid  6278] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6282] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6280] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6279] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6282] <... bpf resumed>)          = 3
[pid  6281] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6280] close(23 <unfinished ...>
[pid  6279] close(23 <unfinished ...>
[pid  6278] close(19 <unfinished ...>
[pid  6280] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6279] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6278] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6282] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6278] close(20 <unfinished ...>
[pid  6280] close(24 <unfinished ...>
[pid  6279] close(24 <unfinished ...>
[pid  6281] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6280] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6279] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6278] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6282] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6281] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6280] close(25 <unfinished ...>
[pid  6279] close(25 <unfinished ...>
[pid  6278] close(21 <unfinished ...>
[pid  6282] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6280] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6279] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6278] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6280] close(26 <unfinished ...>
[pid  6279] close(26 <unfinished ...>
[pid  6280] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6279] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6278] close(22 <unfinished ...>
[pid  6280] close(27 <unfinished ...>
[pid  6279] close(27 <unfinished ...>
[pid  6280] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6279] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6281] <... bpf resumed>)          = 4
[pid  6280] close(28 <unfinished ...>
[pid  6279] close(28 <unfinished ...>
[pid  6278] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6280] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6279] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6280] close(29 <unfinished ...>
[pid  6279] close(29 <unfinished ...>
[pid  6280] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6279] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6280] exit_group(0 <unfinished ...>
[pid  6279] exit_group(0)               = ?
[pid  6282] <... bpf resumed>)          = 4
[pid  6281] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6280] <... exit_group resumed>)   = ?
[pid  6278] close(23 <unfinished ...>
[pid  6282] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6279] +++ exited with 0 +++
[pid  6278] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6278] close(24 <unfinished ...>
[pid  6281] <... bpf resumed>)          = 5
[pid  6278] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=85, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6282] <... bpf resumed>)          = 5
[pid  6278] close(25 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  6280] +++ exited with 0 +++
[pid  6278] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6281] close(3 <unfinished ...>
[pid  6282] close(3 <unfinished ...>
[pid  6278] close(26 <unfinished ...>
[pid  5857] umount2("./83", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6281] <... close resumed>)        = 0
[pid  6278] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6282] <... close resumed>)        = 0
[pid  6281] close(4 <unfinished ...>
[pid  6278] close(27 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6282] close(4 <unfinished ...>
[pid  6278] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6281] <... close resumed>)        = 0
[pid  6282] <... close resumed>)        = 0
[pid  6278] close(28 <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  6282] close(5 <unfinished ...>
[pid  6278] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6281] close(5 <unfinished ...>
[pid  6278] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  6278] exit_group(0 <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  6282] <... close resumed>)        = 0
[pid  6281] <... close resumed>)        = 0
[pid  6278] <... exit_group resumed>)   = ?
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6278] +++ exited with 0 +++
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6282] close(6 <unfinished ...>
[pid  6281] close(6 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6282] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6281] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./83/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6282] close(7 <unfinished ...>
[pid  6281] close(7 <unfinished ...>
[pid  6282] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6282] close(8 <unfinished ...>
[pid  6281] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(AT_FDCWD, "./83/binderfs",  <unfinished ...>
[pid  6282] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6281] close(8 <unfinished ...>
[pid  6282] close(9 <unfinished ...>
[pid  6281] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6282] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6281] close(9 <unfinished ...>
[pid  5857] unlink("./83/binderfs" <unfinished ...>
[pid  6282] close(10 <unfinished ...>
[pid  6281] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6282] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6281] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  5857] <... unlink resumed>)       = 0
[pid  6282] close(11 <unfinished ...>
[pid  6281] close(11 <unfinished ...>
[pid  6282] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  6282] close(12 <unfinished ...>
[pid  6281] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6282] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6281] close(12 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  6282] close(13 <unfinished ...>
[pid  6281] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... close resumed>)        = 0
[pid  6281] close(13 <unfinished ...>
[pid  6282] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6281] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] rmdir("./83" <unfinished ...>
[pid  6282] close(14 <unfinished ...>
[pid  6281] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  6281] close(15 <unfinished ...>
[pid  6282] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... rmdir resumed>)        = 0
[pid  6282] close(15 <unfinished ...>
[pid  6281] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6282] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6281] close(16 <unfinished ...>
[pid  5857] mkdir("./84", 0777 <unfinished ...>
[pid  6282] close(16 <unfinished ...>
[pid  6281] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6282] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6281] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  6282] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  6281] close(18 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  6282] close(18 <unfinished ...>
[pid  6281] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6282] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6281] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  6282] close(19 <unfinished ...>
[pid  6281] close(20 <unfinished ...>
[pid  6282] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6281] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6282] close(20 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6282] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6281] close(21 <unfinished ...>
[pid  6282] close(21./strace-static-x86_64: Process 6283 attached
)                   = -1 EBADF (Bad file descriptor)
[pid  6281] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6283] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6282] close(22 <unfinished ...>
[pid  6281] close(22 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 86
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  6283] <... set_robust_list resumed>) = 0
[pid  6282] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6281] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6283] chdir("./84" <unfinished ...>
[pid  6282] close(23 <unfinished ...>
[pid  6281] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  6282] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6281] close(24 <unfinished ...>
[pid  6283] <... chdir resumed>)        = 0
[pid  6282] close(24 <unfinished ...>
[pid  6281] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6283] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6282] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6281] close(25 <unfinished ...>
[pid  5855] umount2("./82", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] umount2("./82", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6283] <... prctl resumed>)        = 0
[pid  6282] close(25 <unfinished ...>
[pid  6281] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6283] setpgid(0, 0 <unfinished ...>
[pid  6282] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6283] <... setpgid resumed>)      = 0
[pid  6282] close(26 <unfinished ...>
[pid  6281] close(26 <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6282] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6281] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6282] close(27 <unfinished ...>
[pid  6281] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  5855] <... openat resumed>)       = 3
[pid  6281] close(28 <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  6282] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6281] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6281] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  6283] <... openat resumed>)       = 3
[pid  6282] close(28 <unfinished ...>
[pid  6281] exit_group(0 <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  6281] <... exit_group resumed>)   = ?
[pid  6283] write(3, "1000", 4 <unfinished ...>
[pid  6282] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6281] +++ exited with 0 +++
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6283] <... write resumed>)        = 4
[pid  6282] close(29 <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6283] close(3 <unfinished ...>
[pid  6282] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6283] <... close resumed>)        = 0
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6282] exit_group(0 <unfinished ...>
[pid  6283] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6282] <... exit_group resumed>)   = ?
[pid  5855] umount2("./82/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] umount2("./82/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6283] <... symlink resumed>)      = 0
[pid  6283] write(1, "executing program\n", 18 <unfinished ...>
[pid  6282] +++ exited with 0 +++
[pid  5855] newfstatat(AT_FDCWD, "./82/binderfs",  <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=85, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
executing program
[pid  6283] <... write resumed>)        = 18
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] newfstatat(AT_FDCWD, "./82/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6283] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5855] unlink("./82/binderfs" <unfinished ...>
[pid  5854] unlink("./82/binderfs" <unfinished ...>
[pid  6283] <... bpf resumed>)          = 3
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] <... unlink resumed>)       = 0
[pid  6283] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5855] getdents64(3,  <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6283] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6283] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] close(3 <unfinished ...>
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5855] close(3 <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  6283] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5854] rmdir("./82" <unfinished ...>
[pid  6283] <... bpf resumed>)          = 5
[pid  5855] rmdir("./82" <unfinished ...>
[pid  6283] close(3 <unfinished ...>
[pid  5856] umount2("./83", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  6283] <... close resumed>)        = 0
[pid  5856] <... openat resumed>)       = 3
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  6283] close(4 <unfinished ...>
[pid  5855] mkdir("./83", 0777 <unfinished ...>
[pid  5854] mkdir("./83", 0777 <unfinished ...>
[pid  5853] umount2("./82", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6283] <... close resumed>)        = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6283] close(5 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5856] umount2("./83/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6284 attached
 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./83/binderfs",  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
./strace-static-x86_64: Process 6285 attached
[pid  6284] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6283] <... close resumed>)        = 0
[pid  5856] unlink("./83/binderfs" <unfinished ...>
[pid  5853] umount2("./82/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6285] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6283] close(6 <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 85
[pid  6284] <... set_robust_list resumed>) = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 85
[pid  6285] <... set_robust_list resumed>) = 0
[pid  6283] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./82/binderfs",  <unfinished ...>
[pid  6285] chdir("./83" <unfinished ...>
[pid  6284] chdir("./83" <unfinished ...>
[pid  6283] close(7 <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6284] <... chdir resumed>)        = 0
[pid  6283] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6284] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6283] close(8 <unfinished ...>
[pid  6285] <... chdir resumed>)        = 0
[pid  5856] close(3 <unfinished ...>
[pid  6283] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] unlink("./82/binderfs" <unfinished ...>
[pid  6285] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6284] <... prctl resumed>)        = 0
[pid  6283] close(9 <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  6285] <... prctl resumed>)        = 0
[pid  5856] rmdir("./83" <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6283] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6285] setpgid(0, 0 <unfinished ...>
[pid  6284] setpgid(0, 0 <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  6285] <... setpgid resumed>)      = 0
[pid  6284] <... setpgid resumed>)      = 0
[pid  6283] close(10 <unfinished ...>
[pid  5856] mkdir("./84", 0777 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6283] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... mkdir resumed>)        = 0
[pid  5853] close(3)                    = 0
[pid  6284] <... openat resumed>)       = 3
[pid  6283] close(11 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6283] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6285] <... openat resumed>)       = 3
[pid  6284] write(3, "1000", 4 <unfinished ...>
[pid  6283] close(12 <unfinished ...>
[pid  5853] rmdir("./82" <unfinished ...>
[pid  6283] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6284] <... write resumed>)        = 4
[pid  6283] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  5853] <... rmdir resumed>)        = 0
[pid  6284] close(3)                    = 0
[pid  6284] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 6286 attached
) = 0
[pid  5853] mkdir("./83", 0777)         = 0
[pid  6286] set_robust_list(0x555562c7b660, 24 <unfinished ...>
executing program
[pid  6285] write(3, "1000", 4 <unfinished ...>
[pid  6284] write(1, "executing program\n", 18 <unfinished ...>
[pid  6283] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  6283] close(15 <unfinished ...>
[pid  6286] <... set_robust_list resumed>) = 0
[pid  6285] <... write resumed>)        = 4
[pid  6284] <... write resumed>)        = 18
[pid  6283] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 86
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6286] chdir("./84" <unfinished ...>
[pid  6285] close(3 <unfinished ...>
[pid  6284] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6283] close(16./strace-static-x86_64: Process 6287 attached
 <unfinished ...>
[pid  6286] <... chdir resumed>)        = 0
[pid  6285] <... close resumed>)        = 0
[pid  6284] <... bpf resumed>)          = 3
[pid  6283] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6286] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6283] close(17 <unfinished ...>
[pid  6287] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6286] <... prctl resumed>)        = 0
[pid  6285] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6283] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 85
[pid  6284] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6287] <... set_robust_list resumed>) = 0
[pid  6286] setpgid(0, 0 <unfinished ...>
[pid  6285] <... symlink resumed>)      = 0
[pid  6283] close(18 <unfinished ...>
[pid  6286] <... setpgid resumed>)      = 0
executing program
[pid  6284] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6283] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6287] chdir("./83" <unfinished ...>
[pid  6286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6283] close(19 <unfinished ...>
[pid  6287] <... chdir resumed>)        = 0
[pid  6285] write(1, "executing program\n", 18 <unfinished ...>
[pid  6284] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6283] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6287] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6286] <... openat resumed>)       = 3
[pid  6285] <... write resumed>)        = 18
[pid  6284] <... bpf resumed>)          = 4
[pid  6283] close(20 <unfinished ...>
[pid  6287] <... prctl resumed>)        = 0
[pid  6286] write(3, "1000", 4 <unfinished ...>
[pid  6283] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6287] setpgid(0, 0 <unfinished ...>
[pid  6286] <... write resumed>)        = 4
[pid  6285] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6284] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6283] close(21 <unfinished ...>
[pid  6287] <... setpgid resumed>)      = 0
[pid  6286] close(3 <unfinished ...>
[pid  6285] <... bpf resumed>)          = 3
[pid  6283] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6283] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  6283] close(23 <unfinished ...>
[pid  6284] <... bpf resumed>)          = 5
[pid  6283] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6283] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  6287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6283] close(25 <unfinished ...>
[pid  6286] <... close resumed>)        = 0
[pid  6285] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6283] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6286] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6283] close(26 <unfinished ...>
[pid  6287] <... openat resumed>)       = 3
[pid  6283] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6285] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6283] close(27 <unfinished ...>
[pid  6287] write(3, "1000", 4 <unfinished ...>
[pid  6286] <... symlink resumed>)      = 0
[pid  6285] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6284] close(3 <unfinished ...>
[pid  6283] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6287] <... write resumed>)        = 4
[pid  6286] write(1, "executing program\n", 18 <unfinished ...>
[pid  6284] <... close resumed>)        = 0
[pid  6283] close(28executing program
 <unfinished ...>
[pid  6285] <... bpf resumed>)          = 4
[pid  6284] close(4 <unfinished ...>
[pid  6283] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6284] <... close resumed>)        = 0
[pid  6283] close(29 <unfinished ...>
[pid  6287] close(3 <unfinished ...>
[pid  6286] <... write resumed>)        = 18
[pid  6285] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6287] <... close resumed>)        = 0
[pid  6286] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6287] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6286] <... bpf resumed>)          = 3
[pid  6285] <... bpf resumed>)          = 5
[pid  6284] close(5 <unfinished ...>
[pid  6283] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6287] <... symlink resumed>)      = 0
[pid  6286] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6285] close(3 <unfinished ...>
[pid  6284] <... close resumed>)        = 0
[pid  6283] exit_group(0 <unfinished ...>
[pid  6287] write(1, "executing program\n", 18 <unfinished ...>
[pid  6286] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6285] <... close resumed>)        = 0
executing program
[pid  6284] close(6 <unfinished ...>
[pid  6283] <... exit_group resumed>)   = ?
[pid  6287] <... write resumed>)        = 18
[pid  6286] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6285] close(4 <unfinished ...>
[pid  6284] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6287] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6286] <... bpf resumed>)          = 4
[pid  6285] <... close resumed>)        = 0
[pid  6283] +++ exited with 0 +++
[pid  6285] close(5)                    = 0
[pid  6284] close(7 <unfinished ...>
[pid  6287] <... bpf resumed>)          = 3
[pid  6286] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6284] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6287] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6286] <... bpf resumed>)          = 5
[pid  6285] close(6 <unfinished ...>
[pid  6284] close(8 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6284] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... restart_syscall resumed>) = 0
[pid  6284] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  6286] close(3 <unfinished ...>
[pid  6285] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6284] close(10 <unfinished ...>
[pid  6286] <... close resumed>)        = 0
[pid  6285] close(7 <unfinished ...>
[pid  6287] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6286] close(4 <unfinished ...>
[pid  6285] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6284] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./84", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6287] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6286] <... close resumed>)        = 0
[pid  6285] close(8 <unfinished ...>
[pid  6284] close(11 <unfinished ...>
[pid  6286] close(5 <unfinished ...>
[pid  6285] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6284] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6286] <... close resumed>)        = 0
[pid  6285] close(9 <unfinished ...>
[pid  6284] close(12 <unfinished ...>
[pid  6285] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6284] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6286] close(6 <unfinished ...>
[pid  6285] close(10 <unfinished ...>
[pid  6284] close(13 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6286] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6285] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6287] <... bpf resumed>)          = 4
[pid  6286] close(7 <unfinished ...>
[pid  6285] close(11 <unfinished ...>
[pid  6284] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6286] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6285] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... openat resumed>)       = 3
[pid  6286] close(8 <unfinished ...>
[pid  6285] close(12 <unfinished ...>
[pid  6286] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6285] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6286] close(9 <unfinished ...>
[pid  6285] close(13 <unfinished ...>
[pid  6286] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6285] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6286] close(10 <unfinished ...>
[pid  6285] close(14 <unfinished ...>
[pid  6286] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6285] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6286] close(11 <unfinished ...>
[pid  6285] close(15 <unfinished ...>
[pid  6286] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6285] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6286] close(12 <unfinished ...>
[pid  6285] close(16 <unfinished ...>
[pid  6286] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6285] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6286] close(13 <unfinished ...>
[pid  6285] close(17 <unfinished ...>
[pid  6286] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6285] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6286] close(14 <unfinished ...>
[pid  6285] close(18 <unfinished ...>
[pid  6286] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6285] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6286] close(15 <unfinished ...>
[pid  6285] close(19 <unfinished ...>
[pid  6286] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6285] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6286] close(16 <unfinished ...>
[pid  6285] close(20 <unfinished ...>
[pid  6286] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6285] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6286] close(17 <unfinished ...>
[pid  6285] close(21 <unfinished ...>
[pid  6286] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6285] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6286] close(18 <unfinished ...>
[pid  6285] close(22 <unfinished ...>
[pid  6286] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6285] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6286] close(19 <unfinished ...>
[pid  6285] close(23 <unfinished ...>
[pid  6286] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6285] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6286] close(20 <unfinished ...>
[pid  6285] close(24 <unfinished ...>
[pid  6286] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6285] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6286] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  6285] close(25 <unfinished ...>
[pid  6286] close(22 <unfinished ...>
[pid  6285] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6286] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6286] close(23 <unfinished ...>
[pid  6285] close(26 <unfinished ...>
[pid  6286] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6285] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6286] close(24 <unfinished ...>
[pid  6285] close(27 <unfinished ...>
[pid  6286] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6285] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6286] close(25 <unfinished ...>
[pid  6285] close(28 <unfinished ...>
[pid  6286] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6285] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6286] close(26 <unfinished ...>
[pid  6285] close(29 <unfinished ...>
[pid  6286] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6285] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6286] close(27 <unfinished ...>
[pid  6285] exit_group(0 <unfinished ...>
[pid  6286] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6286] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  6285] <... exit_group resumed>)   = ?
[pid  6286] close(29 <unfinished ...>
[pid  6284] close(14 <unfinished ...>
[pid  6287] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6284] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  6284] close(15 <unfinished ...>
[pid  6287] <... bpf resumed>)          = 5
[pid  6286] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6284] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6287] close(3 <unfinished ...>
[pid  6286] exit_group(0 <unfinished ...>
[pid  6285] +++ exited with 0 +++
[pid  6284] close(16 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  6287] <... close resumed>)        = 0
[pid  6286] <... exit_group resumed>)   = ?
[pid  6287] close(4 <unfinished ...>
[pid  6284] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=85, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6287] <... close resumed>)        = 0
[pid  6286] +++ exited with 0 +++
[pid  6284] close(17 <unfinished ...>
[pid  5857] umount2("./84/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6287] close(5 <unfinished ...>
[pid  6284] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] <... restart_syscall resumed>) = 0
[pid  6284] close(18 <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./84/binderfs",  <unfinished ...>
[pid  6284] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6284] close(19 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6287] <... close resumed>)        = 0
[pid  6284] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] unlink("./84/binderfs" <unfinished ...>
[pid  5855] umount2("./83", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6284] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] umount2("./84", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6287] close(6 <unfinished ...>
[pid  6284] close(21 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6287] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6284] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... openat resumed>)       = 3
[pid  5855] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6287] close(7 <unfinished ...>
[pid  6284] close(22 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  6287] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6284] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... close resumed>)        = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6287] close(8 <unfinished ...>
[pid  6284] close(23 <unfinished ...>
[pid  5857] rmdir("./84" <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  6287] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6284] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6287] close(9 <unfinished ...>
[pid  6284] close(24 <unfinished ...>
[pid  5857] mkdir("./85", 0777 <unfinished ...>
[pid  5856] umount2("./84/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6287] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6284] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6287] close(10 <unfinished ...>
[pid  6284] close(25 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6287] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6287] close(11 <unfinished ...>
[pid  6284] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] newfstatat(AT_FDCWD, "./84/binderfs",  <unfinished ...>
[pid  5855] umount2("./83/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6287] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6284] close(26 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6287] close(12 <unfinished ...>
[pid  6284] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6287] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6284] close(27 <unfinished ...>
[pid  6287] close(13 <unfinished ...>
[pid  5856] unlink("./84/binderfs" <unfinished ...>
[pid  6284] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6287] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] newfstatat(AT_FDCWD, "./83/binderfs",  <unfinished ...>
[pid  6284] close(28 <unfinished ...>
[pid  6287] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  6284] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6287] close(15./strace-static-x86_64: Process 6288 attached
)                   = -1 EBADF (Bad file descriptor)
[pid  6284] close(29 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] unlink("./83/binderfs" <unfinished ...>
[pid  6287] close(16 <unfinished ...>
[pid  6284] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6288] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6284] exit_group(0 <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 87
[pid  6287] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6288] <... set_robust_list resumed>) = 0
[pid  5856] close(3 <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  6287] close(17 <unfinished ...>
[pid  6288] chdir("./85" <unfinished ...>
[pid  6287] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6284] <... exit_group resumed>)   = ?
[pid  5856] <... close resumed>)        = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6287] close(18 <unfinished ...>
[pid  5856] rmdir("./84" <unfinished ...>
[pid  6288] <... chdir resumed>)        = 0
[pid  6288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6288] setpgid(0, 0)               = 0
[pid  6288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  6287] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6284] +++ exited with 0 +++
[pid  5856] <... rmdir resumed>)        = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6288] write(3, "1000", 4 <unfinished ...>
[pid  6287] close(19 <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=85, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  6288] <... write resumed>)        = 4
[pid  6287] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] mkdir("./85", 0777 <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  6288] close(3 <unfinished ...>
[pid  6287] close(20 <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] rmdir("./83" <unfinished ...>
[pid  6288] <... close resumed>)        = 0
[pid  6287] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6288] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6287] close(21 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] umount2("./83", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6289 attached
 <unfinished ...>
[pid  6288] <... symlink resumed>)      = 0
[pid  6287] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6288] write(1, "executing program\n", 18 <unfinished ...>
[pid  6287] close(22 <unfinished ...>
[pid  5855] mkdir("./84", 0777 <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6289] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6288] <... write resumed>)        = 18
[pid  6287] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... openat resumed>)       = 3
[pid  6289] <... set_robust_list resumed>) = 0
[pid  6287] close(23 <unfinished ...>
[pid  6289] chdir("./85" <unfinished ...>
[pid  6288] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6287] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 87
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  6289] <... chdir resumed>)        = 0
[pid  6288] <... bpf resumed>)          = 3
[pid  6288] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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 6290 attached
 <unfinished ...>
[pid  6289] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6287] close(24 <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6288] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6290] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 86
[pid  6289] <... prctl resumed>)        = 0
[pid  6287] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6290] <... set_robust_list resumed>) = 0
[pid  6289] setpgid(0, 0 <unfinished ...>
[pid  6288] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6287] close(25 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6290] chdir("./84" <unfinished ...>
[pid  6289] <... setpgid resumed>)      = 0
[pid  6287] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] umount2("./83/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  6290] <... chdir resumed>)        = 0
[pid  6289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6288] <... bpf resumed>)          = 4
[pid  6287] close(26 <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./83/binderfs",  <unfinished ...>
[pid  6290] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6287] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6288] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6287] close(27 <unfinished ...>
[pid  6290] <... prctl resumed>)        = 0
[pid  6288] <... bpf resumed>)          = 5
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6288] close(3 <unfinished ...>
[pid  6290] setpgid(0, 0 <unfinished ...>
[pid  6289] <... openat resumed>)       = 3
[pid  6287] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] unlink("./83/binderfs" <unfinished ...>
[pid  6290] <... setpgid resumed>)      = 0
[pid  6289] write(3, "1000", 4 <unfinished ...>
[pid  6288] <... close resumed>)        = 0
[pid  6287] close(28 <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  6290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6289] <... write resumed>)        = 4
[pid  6288] close(4 <unfinished ...>
[pid  6287] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6289] close(3 <unfinished ...>
[pid  6288] <... close resumed>)        = 0
[pid  6287] close(29 <unfinished ...>
[pid  6290] <... openat resumed>)       = 3
[pid  6289] <... close resumed>)        = 0
[pid  6288] close(5 <unfinished ...>
[pid  6287] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6290] write(3, "1000", 4 <unfinished ...>
[pid  6289] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6288] <... close resumed>)        = 0
[pid  6287] exit_group(0 <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  6290] <... write resumed>)        = 4
[pid  6289] <... symlink resumed>)      = 0
[pid  5854] <... close resumed>)        = 0
[pid  6290] close(3 <unfinished ...>
[pid  5854] rmdir("./83" <unfinished ...>
[pid  6290] <... close resumed>)        = 0
[pid  5854] <... rmdir resumed>)        = 0
[pid  6290] symlink("/dev/binderfs", "./binderfs"executing program
 <unfinished ...>
[pid  6289] write(1, "executing program\n", 18 <unfinished ...>
[pid  6288] close(6 <unfinished ...>
[pid  6287] <... exit_group resumed>)   = ?
[pid  6290] <... symlink resumed>)      = 0
[pid  6289] <... write resumed>)        = 18
[pid  6288] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6287] +++ exited with 0 +++
[pid  5854] mkdir("./84", 0777 <unfinished ...>
[pid  6290] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  6289] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6288] close(7 <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=85, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6290] <... write resumed>)        = 18
[pid  6289] <... bpf resumed>)          = 3
[pid  6288] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6290] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6289] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6288] close(8./strace-static-x86_64: Process 6291 attached
 <unfinished ...>
[pid  6290] <... bpf resumed>)          = 3
[pid  6289] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6288] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6291] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6290] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6289] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6288] close(9 <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 86
[pid  6291] <... set_robust_list resumed>) = 0
[pid  6290] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6291] chdir("./84" <unfinished ...>
[pid  6290] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6289] <... bpf resumed>)          = 4
[pid  6288] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6291] <... chdir resumed>)        = 0
[pid  6290] <... bpf resumed>)          = 4
[pid  6288] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  6288] close(11 <unfinished ...>
[pid  6290] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6289] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6288] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6291] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6289] <... bpf resumed>)          = 5
[pid  6288] close(12 <unfinished ...>
[pid  6291] <... prctl resumed>)        = 0
[pid  6288] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6291] setpgid(0, 0)               = 0
[pid  6288] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  5853] <... restart_syscall resumed>) = 0
[pid  6289] close(3 <unfinished ...>
[pid  6288] close(14 <unfinished ...>
[pid  6291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6289] <... close resumed>)        = 0
[pid  6288] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6289] close(4 <unfinished ...>
[pid  6288] close(15 <unfinished ...>
[pid  6289] <... close resumed>)        = 0
[pid  6288] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6290] <... bpf resumed>)          = 5
[pid  6289] close(5 <unfinished ...>
[pid  6288] close(16 <unfinished ...>
[pid  5853] umount2("./83", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6291] <... openat resumed>)       = 3
[pid  6290] close(3 <unfinished ...>
[pid  6289] <... close resumed>)        = 0
[pid  6288] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6290] <... close resumed>)        = 0
[pid  5853] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6291] write(3, "1000", 4 <unfinished ...>
[pid  6290] close(4 <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  6291] <... write resumed>)        = 4
[pid  6290] <... close resumed>)        = 0
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6291] close(3 <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6291] <... close resumed>)        = 0
[pid  6290] close(5 <unfinished ...>
[pid  6291] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6289] close(6 <unfinished ...>
[pid  6288] close(17 <unfinished ...>
[pid  6289] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6288] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6290] <... close resumed>)        = 0
[pid  6289] close(7 <unfinished ...>
[pid  6288] close(18 <unfinished ...>
[pid  6289] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6288] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6291] <... symlink resumed>)      = 0
[pid  6289] close(8 <unfinished ...>
[pid  6288] close(19 <unfinished ...>
[pid  6289] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6288] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6289] close(9 <unfinished ...>
[pid  6288] close(20 <unfinished ...>
[pid  6289] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6288] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6289] close(10 <unfinished ...>
[pid  6288] close(21 <unfinished ...>
[pid  6289] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6288] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6289] close(11 <unfinished ...>
[pid  6288] close(22 <unfinished ...>
executing program
[pid  6291] write(1, "executing program\n", 18 <unfinished ...>
[pid  6290] close(6 <unfinished ...>
[pid  6289] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6288] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6291] <... write resumed>)        = 18
[pid  6290] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6289] close(12 <unfinished ...>
[pid  6288] close(23 <unfinished ...>
[pid  5853] umount2("./83/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6291] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6290] close(7 <unfinished ...>
[pid  6289] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6288] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6291] <... bpf resumed>)          = 3
[pid  6290] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6289] close(13 <unfinished ...>
[pid  6288] close(24 <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6291] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6290] close(8 <unfinished ...>
[pid  6289] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6288] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] newfstatat(AT_FDCWD, "./83/binderfs",  <unfinished ...>
[pid  6291] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6290] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6289] close(14 <unfinished ...>
[pid  6288] close(25 <unfinished ...>
[pid  6291] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6290] close(9 <unfinished ...>
[pid  6289] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6288] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6290] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6289] close(15 <unfinished ...>
[pid  6288] close(26 <unfinished ...>
[pid  6290] close(10 <unfinished ...>
[pid  6289] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6288] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] unlink("./83/binderfs" <unfinished ...>
[pid  6290] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6289] close(16 <unfinished ...>
[pid  6288] close(27 <unfinished ...>
[pid  6290] close(11 <unfinished ...>
[pid  6289] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6288] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6290] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6289] close(17 <unfinished ...>
[pid  6288] close(28 <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  6290] close(12 <unfinished ...>
[pid  6289] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6288] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6291] <... bpf resumed>)          = 4
[pid  6290] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6289] close(18 <unfinished ...>
[pid  6288] close(29 <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6290] close(13 <unfinished ...>
[pid  6289] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6288] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6291] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6290] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6289] close(19 <unfinished ...>
[pid  6288] exit_group(0 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6290] close(14 <unfinished ...>
[pid  6289] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6288] <... exit_group resumed>)   = ?
[pid  5853] close(3 <unfinished ...>
[pid  6291] <... bpf resumed>)          = 5
[pid  6290] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6289] close(20 <unfinished ...>
[pid  6288] +++ exited with 0 +++
[pid  6290] close(15 <unfinished ...>
[pid  6289] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... close resumed>)        = 0
[pid  6291] close(3 <unfinished ...>
[pid  6290] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6289] close(21 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=87, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  5853] rmdir("./83" <unfinished ...>
[pid  6291] <... close resumed>)        = 0
[pid  6290] close(16 <unfinished ...>
[pid  6289] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6291] close(4 <unfinished ...>
[pid  6290] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6289] close(22 <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  6291] <... close resumed>)        = 0
[pid  6290] close(17 <unfinished ...>
[pid  6289] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] mkdir("./84", 0777 <unfinished ...>
[pid  6291] close(5 <unfinished ...>
[pid  6290] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6289] close(23 <unfinished ...>
[pid  6290] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  6289] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6290] close(19 <unfinished ...>
[pid  6289] close(24 <unfinished ...>
[pid  6290] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6289] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6291] <... close resumed>)        = 0
[pid  6290] close(20 <unfinished ...>
[pid  6289] close(25 <unfinished ...>
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  6291] close(6 <unfinished ...>
[pid  6290] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6289] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6290] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  6291] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6289] close(26 <unfinished ...>
[pid  6291] close(7 <unfinished ...>
[pid  6289] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6291] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6289] close(27 <unfinished ...>
[pid  6291] close(8 <unfinished ...>
[pid  6289] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6291] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6289] close(28 <unfinished ...>
[pid  6291] close(9 <unfinished ...>
[pid  6289] <... close resumed>)        = -1 EBADF (Bad file descriptor)
./strace-static-x86_64: Process 6292 attached
[pid  6291] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6289] close(29 <unfinished ...>
[pid  6291] close(10 <unfinished ...>
[pid  6289] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6292] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6291] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6290] close(22 <unfinished ...>
[pid  6289] exit_group(0 <unfinished ...>
[pid  6292] <... set_robust_list resumed>) = 0
[pid  6291] close(11 <unfinished ...>
[pid  6290] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6289] <... exit_group resumed>)   = ?
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 86
[pid  6292] chdir("./84" <unfinished ...>
[pid  6291] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6290] close(23 <unfinished ...>
[pid  6289] +++ exited with 0 +++
[pid  5857] umount2("./85", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6291] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  6290] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6291] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  6290] close(24 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6292] <... chdir resumed>)        = 0
[pid  6291] close(14 <unfinished ...>
[pid  6290] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6291] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6290] close(25 <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  6292] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6291] close(15 <unfinished ...>
[pid  6290] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=87, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  6292] <... prctl resumed>)        = 0
[pid  6290] close(26 <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6291] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6290] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6292] setpgid(0, 0 <unfinished ...>
[pid  6291] close(16 <unfinished ...>
[pid  6290] close(27 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6292] <... setpgid resumed>)      = 0
[pid  6291] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6290] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6291] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  6291] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  6291] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  6291] close(20 <unfinished ...>
[pid  6292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6291] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6290] close(28 <unfinished ...>
[pid  6291] close(21 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  6290] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6291] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6290] close(29 <unfinished ...>
[pid  6291] close(22 <unfinished ...>
[pid  6290] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6291] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6291] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  6290] exit_group(0 <unfinished ...>
[pid  5857] umount2("./85/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6291] close(24 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6291] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6290] <... exit_group resumed>)   = ?
[pid  5857] newfstatat(AT_FDCWD, "./85/binderfs",  <unfinished ...>
[pid  6292] <... openat resumed>)       = 3
[pid  6291] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  6291] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6291] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  6291] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  6292] write(3, "1000", 4 <unfinished ...>
[pid  6291] close(29 <unfinished ...>
[pid  6290] +++ exited with 0 +++
[pid  5857] unlink("./85/binderfs" <unfinished ...>
[pid  5856] <... restart_syscall resumed>) = 0
[pid  6292] <... write resumed>)        = 4
[pid  6291] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5857] <... unlink resumed>)       = 0
[pid  6292] close(3 <unfinished ...>
[pid  6291] exit_group(0 <unfinished ...>
[pid  6292] <... close resumed>)        = 0
[pid  6291] <... exit_group resumed>)   = ?
[pid  5857] getdents64(3,  <unfinished ...>
[pid  6292] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6292] <... symlink resumed>)      = 0
[pid  6291] +++ exited with 0 +++
[pid  5857] close(3 <unfinished ...>
[pid  5856] umount2("./85", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] umount2("./84", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  6292] write(1, "executing program\n", 18 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
executing program
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6292] <... write resumed>)        = 18
[pid  5857] rmdir("./85" <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6292] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... restart_syscall resumed>) = 0
[pid  6292] <... bpf resumed>)          = 3
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6292] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5857] mkdir("./86", 0777 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] umount2("./84", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6292] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6292] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5856] umount2("./85/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] umount2("./84/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
./strace-static-x86_64: Process 6293 attached
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] newfstatat(AT_FDCWD, "./85/binderfs",  <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./84/binderfs",  <unfinished ...>
[pid  6293] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6292] <... bpf resumed>)          = 4
[pid  5854] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6293] <... set_robust_list resumed>) = 0
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 88
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6293] chdir("./86" <unfinished ...>
[pid  6292] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5856] unlink("./85/binderfs" <unfinished ...>
[pid  5855] unlink("./84/binderfs" <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  6293] <... chdir resumed>)        = 0
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  6293] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  6293] <... prctl resumed>)        = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6293] setpgid(0, 0 <unfinished ...>
[pid  6292] <... bpf resumed>)          = 5
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6293] <... setpgid resumed>)      = 0
[pid  5856] <... unlink resumed>)       = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] umount2("./84/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6293] <... openat resumed>)       = 3
[pid  6292] close(3 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6292] <... close resumed>)        = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] close(3 <unfinished ...>
[pid  6292] close(4 <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  6292] <... close resumed>)        = 0
[pid  5856] <... close resumed>)        = 0
[pid  6293] write(3, "1000", 4 <unfinished ...>
[pid  6292] close(5 <unfinished ...>
[pid  5856] rmdir("./85" <unfinished ...>
[pid  5855] rmdir("./84" <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./84/binderfs",  <unfinished ...>
[pid  6293] <... write resumed>)        = 4
[pid  5856] <... rmdir resumed>)        = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6293] close(3 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] unlink("./84/binderfs" <unfinished ...>
[pid  6293] <... close resumed>)        = 0
[pid  5855] mkdir("./85", 0777 <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  6293] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6292] <... close resumed>)        = 0
[pid  5856] mkdir("./86", 0777 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6293] <... symlink resumed>)      = 0
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] close(3)                    = 0
[pid  6293] write(1, "executing program\n", 18 <unfinished ...>
[pid  6292] close(6 <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
 <unfinished ...>
[pid  6293] <... write resumed>)        = 18
[pid  6292] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] rmdir("./84"./strace-static-x86_64: Process 6295 attached
./strace-static-x86_64: Process 6294 attached
 <unfinished ...>
[pid  6293] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6292] close(7 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 87
[pid  5854] <... rmdir resumed>)        = 0
[pid  6295] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 88
[pid  6294] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6293] <... bpf resumed>)          = 3
[pid  6292] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6295] <... set_robust_list resumed>) = 0
[pid  6294] <... set_robust_list resumed>) = 0
[pid  6293] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6292] close(8 <unfinished ...>
[pid  5854] mkdir("./85", 0777 <unfinished ...>
[pid  6295] chdir("./86" <unfinished ...>
[pid  6294] chdir("./85" <unfinished ...>
[pid  6293] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6292] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6294] <... chdir resumed>)        = 0
[pid  6293] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6292] close(9 <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  6295] <... chdir resumed>)        = 0
[pid  6294] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6292] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6295] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6294] <... prctl resumed>)        = 0
[pid  6292] close(10 <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6295] <... prctl resumed>)        = 0
[pid  6294] setpgid(0, 0 <unfinished ...>
[pid  6293] <... bpf resumed>)          = 4
[pid  6292] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6294] <... setpgid resumed>)      = 0
[pid  6293] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6292] close(11 <unfinished ...>
[pid  6294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6292] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6295] setpgid(0, 0)               = 0
[pid  6292] close(12)                   = -1 EBADF (Bad file descriptor)
./strace-static-x86_64: Process 6296 attached
[pid  6295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6294] <... openat resumed>)       = 3
[pid  6292] close(13 <unfinished ...>
[pid  6293] <... bpf resumed>)          = 5
[pid  6292] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6295] <... openat resumed>)       = 3
[pid  6296] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6294] write(3, "1000", 4 <unfinished ...>
[pid  6293] close(3 <unfinished ...>
[pid  6292] close(14 <unfinished ...>
[pid  6294] <... write resumed>)        = 4
[pid  6293] <... close resumed>)        = 0
[pid  6292] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] <... set_robust_list resumed>) = 0
[pid  6295] write(3, "1000", 4 <unfinished ...>
[pid  6294] close(3 <unfinished ...>
[pid  6292] close(15 <unfinished ...>
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 87
[pid  6296] chdir("./85" <unfinished ...>
[pid  6295] <... write resumed>)        = 4
[pid  6294] <... close resumed>)        = 0
[pid  6293] close(4 <unfinished ...>
[pid  6292] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6294] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6293] <... close resumed>)        = 0
[pid  6292] close(16 <unfinished ...>
[pid  6296] <... chdir resumed>)        = 0
[pid  6295] close(3 <unfinished ...>
[pid  6294] <... symlink resumed>)      = 0
[pid  6293] close(5 <unfinished ...>
[pid  6292] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6295] <... close resumed>)        = 0
[pid  6296] <... prctl resumed>)        = 0
[pid  6295] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6292] close(17 <unfinished ...>
[pid  6296] setpgid(0, 0 <unfinished ...>
[pid  6295] <... symlink resumed>)      = 0
executing program
[pid  6294] write(1, "executing program\n", 18 <unfinished ...>
[pid  6293] <... close resumed>)        = 0
[pid  6292] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] <... setpgid resumed>)      = 0
executing program
[pid  6295] write(1, "executing program\n", 18 <unfinished ...>
[pid  6294] <... write resumed>)        = 18
[pid  6296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6295] <... write resumed>)        = 18
[pid  6295] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6296] <... openat resumed>)       = 3
[pid  6294] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6293] close(6 <unfinished ...>
[pid  6292] close(18 <unfinished ...>
[pid  6296] write(3, "1000", 4 <unfinished ...>
[pid  6295] <... bpf resumed>)          = 3
[pid  6294] <... bpf resumed>)          = 3
[pid  6293] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6292] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] <... write resumed>)        = 4
[pid  6295] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6294] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6293] close(7 <unfinished ...>
[pid  6292] close(19 <unfinished ...>
[pid  6296] close(3 <unfinished ...>
[pid  6295] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6294] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6293] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6292] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] <... close resumed>)        = 0
[pid  6295] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6293] close(8 <unfinished ...>
[pid  6292] close(20 <unfinished ...>
[pid  6294] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6296] symlink("/dev/binderfs", "./binderfs") = 0
[pid  6295] <... bpf resumed>)          = 4
[pid  6294] <... bpf resumed>)          = 4
[pid  6293] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6292] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6292] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  6293] close(9 <unfinished ...>
[pid  6292] close(22 <unfinished ...>
[pid  6293] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6292] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6293] close(10 <unfinished ...>
[pid  6292] close(23 <unfinished ...>
[pid  6295] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6293] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6292] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
[pid  6296] write(1, "executing program\n", 18 <unfinished ...>
[pid  6294] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6293] close(11 <unfinished ...>
[pid  6292] close(24 <unfinished ...>
[pid  6296] <... write resumed>)        = 18
[pid  6295] <... bpf resumed>)          = 5
[pid  6293] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6292] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6293] close(12 <unfinished ...>
[pid  6292] close(25 <unfinished ...>
[pid  6295] close(3 <unfinished ...>
[pid  6294] <... bpf resumed>)          = 5
[pid  6293] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6292] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] <... bpf resumed>)          = 3
[pid  6295] <... close resumed>)        = 0
[pid  6293] close(13 <unfinished ...>
[pid  6292] close(26 <unfinished ...>
[pid  6296] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6295] close(4 <unfinished ...>
[pid  6294] close(3 <unfinished ...>
[pid  6293] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6292] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6295] <... close resumed>)        = 0
[pid  6293] close(14 <unfinished ...>
[pid  6296] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6295] close(5 <unfinished ...>
[pid  6294] <... close resumed>)        = 0
[pid  6293] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6292] close(27 <unfinished ...>
[pid  6296] <... bpf resumed>)          = 4
[pid  6295] <... close resumed>)        = 0
[pid  6294] close(4 <unfinished ...>
[pid  6293] close(15 <unfinished ...>
[pid  6292] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6294] <... close resumed>)        = 0
[pid  6293] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6292] close(28 <unfinished ...>
[pid  6295] close(6 <unfinished ...>
[pid  6293] close(16 <unfinished ...>
[pid  6292] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6295] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6293] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6292] close(29 <unfinished ...>
[pid  6296] <... bpf resumed>)          = 5
[pid  6295] close(7 <unfinished ...>
[pid  6294] close(5 <unfinished ...>
[pid  6293] close(17 <unfinished ...>
[pid  6292] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6295] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6293] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6292] exit_group(0 <unfinished ...>
[pid  6295] close(8 <unfinished ...>
[pid  6293] close(18 <unfinished ...>
[pid  6295] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6293] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6292] <... exit_group resumed>)   = ?
[pid  6296] close(3 <unfinished ...>
[pid  6295] close(9 <unfinished ...>
[pid  6294] <... close resumed>)        = 0
[pid  6293] close(19 <unfinished ...>
[pid  6296] <... close resumed>)        = 0
[pid  6295] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6293] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] close(4 <unfinished ...>
[pid  6294] close(6 <unfinished ...>
[pid  6293] close(20 <unfinished ...>
[pid  6295] close(10 <unfinished ...>
[pid  6292] +++ exited with 0 +++
[pid  6296] <... close resumed>)        = 0
[pid  6294] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6293] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6295] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] close(5 <unfinished ...>
[pid  6294] close(7 <unfinished ...>
[pid  6295] close(11 <unfinished ...>
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6295] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6294] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6293] close(21 <unfinished ...>
[pid  6296] <... close resumed>)        = 0
[pid  6295] close(12 <unfinished ...>
[pid  6294] close(8 <unfinished ...>
[pid  6293] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] close(6 <unfinished ...>
[pid  6295] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6294] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6293] close(22 <unfinished ...>
[pid  6296] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6295] close(13 <unfinished ...>
[pid  6294] close(9 <unfinished ...>
[pid  6293] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] close(7 <unfinished ...>
[pid  6295] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6294] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6294] close(10 <unfinished ...>
[pid  6296] close(8 <unfinished ...>
[pid  6294] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6294] close(11 <unfinished ...>
[pid  6296] close(9 <unfinished ...>
[pid  6294] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] close(10 <unfinished ...>
[pid  6294] close(12 <unfinished ...>
[pid  6296] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6294] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] close(11 <unfinished ...>
[pid  6294] close(13 <unfinished ...>
[pid  6296] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6294] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] close(12 <unfinished ...>
[pid  6294] close(14 <unfinished ...>
[pid  6296] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6294] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  6294] close(15 <unfinished ...>
[pid  6296] close(14 <unfinished ...>
[pid  6294] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6294] close(16 <unfinished ...>
[pid  6296] close(15 <unfinished ...>
[pid  6294] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6294] close(17 <unfinished ...>
[pid  6296] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  6294] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] close(17 <unfinished ...>
[pid  6294] close(18 <unfinished ...>
[pid  6296] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6294] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] close(18 <unfinished ...>
[pid  6294] close(19 <unfinished ...>
[pid  6296] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6294] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] close(19 <unfinished ...>
[pid  6294] close(20 <unfinished ...>
[pid  6296] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6294] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  6294] close(21 <unfinished ...>
[pid  6296] close(21 <unfinished ...>
[pid  6294] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6294] close(22 <unfinished ...>
[pid  6296] close(22 <unfinished ...>
[pid  6294] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6294] close(23 <unfinished ...>
[pid  6296] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  6294] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] close(24 <unfinished ...>
[pid  6294] close(24 <unfinished ...>
[pid  6296] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6294] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] close(25 <unfinished ...>
[pid  6295] close(14 <unfinished ...>
[pid  6293] close(23 <unfinished ...>
[pid  6296] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6295] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6294] close(25 <unfinished ...>
[pid  6293] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] close(26 <unfinished ...>
[pid  6295] close(15 <unfinished ...>
[pid  6293] close(24 <unfinished ...>
[pid  6296] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6295] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6294] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6293] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] close(27 <unfinished ...>
[pid  6295] close(16 <unfinished ...>
[pid  6294] close(26 <unfinished ...>
[pid  6296] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6295] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6294] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6293] close(25 <unfinished ...>
[pid  6296] close(28 <unfinished ...>
[pid  6295] close(17 <unfinished ...>
[pid  6294] close(27 <unfinished ...>
[pid  6293] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6295] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6294] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6293] close(26 <unfinished ...>
[pid  6296] close(29 <unfinished ...>
[pid  6295] close(18 <unfinished ...>
[pid  6294] close(28 <unfinished ...>
[pid  6293] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6295] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6293] close(27 <unfinished ...>
[pid  6295] close(19 <unfinished ...>
[pid  6293] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6295] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6293] close(28 <unfinished ...>
[pid  6295] close(20 <unfinished ...>
[pid  6293] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6295] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6296] exit_group(0 <unfinished ...>
[pid  6295] close(21 <unfinished ...>
[pid  6294] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6293] close(29 <unfinished ...>
[pid  5853] <... restart_syscall resumed>) = 0
[pid  6296] <... exit_group resumed>)   = ?
[pid  6295] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6294] close(29 <unfinished ...>
[pid  6295] close(22 <unfinished ...>
[pid  6294] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6293] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6295] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6294] exit_group(0 <unfinished ...>
[pid  6293] exit_group(0 <unfinished ...>
[pid  6295] close(23 <unfinished ...>
[pid  6294] <... exit_group resumed>)   = ?
[pid  6293] <... exit_group resumed>)   = ?
[pid  6296] +++ exited with 0 +++
[pid  6295] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6294] +++ exited with 0 +++
[pid  6293] +++ exited with 0 +++
[pid  5853] umount2("./84", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6295] close(24 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6295] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=87, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=87, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6295] close(25 <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  6295] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6295] close(26 <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6295] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6295] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6295] close(28 <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6295] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6295] close(29 <unfinished ...>
[pid  5853] umount2("./84/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6295] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] newfstatat(AT_FDCWD, "./84/binderfs",  <unfinished ...>
[pid  6295] exit_group(0)               = ?
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] unlink("./84/binderfs" <unfinished ...>
[pid  6295] +++ exited with 0 +++
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5857] umount2("./86", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] umount2("./85", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] umount2("./85", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] umount2("./86", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] close(3 <unfinished ...>
[pid  5857] <... openat resumed>)       = 3
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... openat resumed>)       = 3
[pid  5856] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] <... openat resumed>)       = 3
[pid  5853] <... close resumed>)        = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] rmdir("./84" <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... rmdir resumed>)        = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] umount2("./86/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] umount2("./85/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] mkdir("./85", 0777 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] <... mkdir resumed>)        = 0
[pid  5857] newfstatat(AT_FDCWD, "./86/binderfs",  <unfinished ...>
[pid  5854] umount2("./85/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] umount2("./86/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./85/binderfs",  <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] unlink("./86/binderfs" <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./86/binderfs",  <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] newfstatat(AT_FDCWD, "./85/binderfs", ./strace-static-x86_64: Process 6297 attached
 <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] unlink("./85/binderfs" <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  6297] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] unlink("./86/binderfs" <unfinished ...>
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] unlink("./85/binderfs" <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 87
[pid  6297] <... set_robust_list resumed>) = 0
[pid  5857] close(3 <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  6297] chdir("./85" <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  6297] <... chdir resumed>)        = 0
[pid  5857] rmdir("./86" <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] <... close resumed>)        = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6297] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] close(3 <unfinished ...>
[pid  5855] rmdir("./85" <unfinished ...>
[pid  5854] close(3 <unfinished ...>
[pid  6297] <... prctl resumed>)        = 0
[pid  5857] mkdir("./87", 0777 <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] <... close resumed>)        = 0
[pid  6297] setpgid(0, 0 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] rmdir("./86" <unfinished ...>
[pid  5854] rmdir("./85" <unfinished ...>
[pid  6297] <... setpgid resumed>)      = 0
[pid  6297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5855] mkdir("./86", 0777 <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
./strace-static-x86_64: Process 6298 attached
[pid  6297] <... openat resumed>)       = 3
[pid  5855] <... mkdir resumed>)        = 0
[pid  6297] write(3, "1000", 4 <unfinished ...>
[pid  5856] mkdir("./87", 0777 <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6298] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5854] mkdir("./86", 0777 <unfinished ...>
[pid  6297] <... write resumed>)        = 4
[pid  5856] <... mkdir resumed>)        = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  6297] close(3 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6300 attached
./strace-static-x86_64: Process 6301 attached
./strace-static-x86_64: Process 6299 attached
 <unfinished ...>
[pid  6298] <... set_robust_list resumed>) = 0
[pid  6297] <... close resumed>)        = 0
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 89
[pid  6297] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6298] chdir("./87" <unfinished ...>
[pid  6301] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6300] set_robust_list(0x555562c7b660, 24executing program
 <unfinished ...>
[pid  6299] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6298] <... chdir resumed>)        = 0
[pid  6297] <... symlink resumed>)      = 0
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 88
[pid  6301] <... set_robust_list resumed>) = 0
[pid  6300] <... set_robust_list resumed>) = 0
[pid  6299] <... set_robust_list resumed>) = 0
[pid  6298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6297] write(1, "executing program\n", 18 <unfinished ...>
[pid  6298] setpgid(0, 0 <unfinished ...>
[pid  6297] <... write resumed>)        = 18
[pid  6300] chdir("./87" <unfinished ...>
[pid  6297] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 89
[pid  6299] chdir("./86" <unfinished ...>
[pid  6297] <... bpf resumed>)          = 3
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 88
[pid  6301] chdir("./86" <unfinished ...>
[pid  6300] <... chdir resumed>)        = 0
[pid  6299] <... chdir resumed>)        = 0
[pid  6298] <... setpgid resumed>)      = 0
[pid  6297] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6301] <... chdir resumed>)        = 0
[pid  6300] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6299] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6301] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6300] <... prctl resumed>)        = 0
[pid  6299] <... prctl resumed>)        = 0
[pid  6298] <... openat resumed>)       = 3
[pid  6297] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6301] <... prctl resumed>)        = 0
[pid  6299] setpgid(0, 0 <unfinished ...>
[pid  6297] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6301] setpgid(0, 0 <unfinished ...>
[pid  6300] setpgid(0, 0 <unfinished ...>
[pid  6299] <... setpgid resumed>)      = 0
[pid  6298] write(3, "1000", 4 <unfinished ...>
[pid  6297] <... bpf resumed>)          = 4
[pid  6301] <... setpgid resumed>)      = 0
[pid  6300] <... setpgid resumed>)      = 0
[pid  6300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6297] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6300] <... openat resumed>)       = 3
[pid  6299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6298] <... write resumed>)        = 4
[pid  6300] write(3, "1000", 4 <unfinished ...>
[pid  6298] close(3 <unfinished ...>
[pid  6301] <... openat resumed>)       = 3
[pid  6300] <... write resumed>)        = 4
[pid  6299] <... openat resumed>)       = 3
[pid  6298] <... close resumed>)        = 0
[pid  6297] <... bpf resumed>)          = 5
[pid  6301] write(3, "1000", 4 <unfinished ...>
[pid  6300] close(3 <unfinished ...>
[pid  6299] write(3, "1000", 4 <unfinished ...>
[pid  6298] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6301] <... write resumed>)        = 4
[pid  6300] <... close resumed>)        = 0
[pid  6299] <... write resumed>)        = 4
[pid  6298] <... symlink resumed>)      = 0
[pid  6297] close(3 <unfinished ...>
[pid  6301] close(3 <unfinished ...>
[pid  6300] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6299] close(3 <unfinished ...>
[pid  6298] write(1, "executing program\n", 18 <unfinished ...>
[pid  6297] <... close resumed>)        = 0
executing program
[pid  6301] <... close resumed>)        = 0
[pid  6300] <... symlink resumed>)      = 0
[pid  6299] <... close resumed>)        = 0
[pid  6298] <... write resumed>)        = 18
[pid  6297] close(4 <unfinished ...>
[pid  6301] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6297] <... close resumed>)        = 0
[pid  6301] <... symlink resumed>)      = 0
[pid  6300] write(1, "executing program\n", 18 <unfinished ...>
[pid  6299] symlink("/dev/binderfs", "./binderfs"executing program
 <unfinished ...>
executing program
[pid  6298] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6297] close(5 <unfinished ...>
[pid  6301] write(1, "executing program\n", 18 <unfinished ...>
[pid  6300] <... write resumed>)        = 18
[pid  6299] <... symlink resumed>)      = 0
[pid  6298] <... bpf resumed>)          = 3
[pid  6297] <... close resumed>)        = 0
[pid  6301] <... write resumed>)        = 18
[pid  6300] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6298] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6300] <... bpf resumed>)          = 3
executing program
[pid  6301] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6299] write(1, "executing program\n", 18 <unfinished ...>
[pid  6298] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6297] close(6 <unfinished ...>
[pid  6301] <... bpf resumed>)          = 3
[pid  6300] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6299] <... write resumed>)        = 18
[pid  6298] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6297] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6300] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6299] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6297] close(7 <unfinished ...>
[pid  6301] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6298] <... bpf resumed>)          = 4
[pid  6297] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6299] <... bpf resumed>)          = 3
[pid  6298] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6297] close(8 <unfinished ...>
[pid  6300] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6301] <... bpf resumed>)          = 4
[pid  6300] <... bpf resumed>)          = 4
[pid  6299] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6298] <... bpf resumed>)          = 5
[pid  6297] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6300] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6299] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6298] close(3 <unfinished ...>
[pid  6297] close(9 <unfinished ...>
[pid  6301] <... bpf resumed>)          = 5
[pid  6300] <... bpf resumed>)          = 5
[pid  6299] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6298] <... close resumed>)        = 0
[pid  6297] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] close(3 <unfinished ...>
[pid  6300] close(3 <unfinished ...>
[pid  6301] <... close resumed>)        = 0
[pid  6300] <... close resumed>)        = 0
[pid  6299] <... bpf resumed>)          = 4
[pid  6298] close(4 <unfinished ...>
[pid  6297] close(10 <unfinished ...>
[pid  6300] close(4)                    = 0
[pid  6300] close(5 <unfinished ...>
[pid  6301] close(4 <unfinished ...>
[pid  6300] <... close resumed>)        = 0
[pid  6299] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6298] <... close resumed>)        = 0
[pid  6297] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] <... close resumed>)        = 0
[pid  6299] <... bpf resumed>)          = 5
[pid  6298] close(5 <unfinished ...>
[pid  6297] close(11 <unfinished ...>
[pid  6301] close(5 <unfinished ...>
[pid  6299] close(3 <unfinished ...>
[pid  6298] <... close resumed>)        = 0
[pid  6297] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] <... close resumed>)        = 0
[pid  6300] close(6 <unfinished ...>
[pid  6299] <... close resumed>)        = 0
[pid  6298] close(6 <unfinished ...>
[pid  6297] close(12 <unfinished ...>
[pid  6301] close(6 <unfinished ...>
[pid  6300] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6299] close(4 <unfinished ...>
[pid  6298] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6297] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6300] close(7 <unfinished ...>
[pid  6299] <... close resumed>)        = 0
[pid  6298] close(7 <unfinished ...>
[pid  6297] close(13 <unfinished ...>
[pid  6301] close(7 <unfinished ...>
[pid  6300] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6299] close(5 <unfinished ...>
[pid  6298] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6297] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6300] close(8 <unfinished ...>
[pid  6298] close(8 <unfinished ...>
[pid  6297] close(14 <unfinished ...>
[pid  6299] <... close resumed>)        = 0
[pid  6301] close(8 <unfinished ...>
[pid  6300] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6299] close(6 <unfinished ...>
[pid  6298] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6297] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6300] close(9 <unfinished ...>
[pid  6299] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6298] close(9 <unfinished ...>
[pid  6297] close(15 <unfinished ...>
[pid  6301] close(9 <unfinished ...>
[pid  6300] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6299] close(7 <unfinished ...>
[pid  6298] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6300] close(10 <unfinished ...>
[pid  6299] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6297] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6298] close(10 <unfinished ...>
[pid  6301] close(10 <unfinished ...>
[pid  6300] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6299] close(8 <unfinished ...>
[pid  6298] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6297] close(16 <unfinished ...>
[pid  6301] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6300] close(11 <unfinished ...>
[pid  6299] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6298] close(11 <unfinished ...>
[pid  6297] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] close(11 <unfinished ...>
[pid  6300] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6299] close(9 <unfinished ...>
[pid  6298] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6297] close(17 <unfinished ...>
[pid  6301] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6300] close(12 <unfinished ...>
[pid  6299] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6298] close(12 <unfinished ...>
[pid  6297] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] close(12 <unfinished ...>
[pid  6300] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6299] close(10 <unfinished ...>
[pid  6298] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6297] close(18 <unfinished ...>
[pid  6301] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6300] close(13 <unfinished ...>
[pid  6299] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6298] close(13 <unfinished ...>
[pid  6297] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] close(13 <unfinished ...>
[pid  6300] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6299] close(11 <unfinished ...>
[pid  6298] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6300] close(14 <unfinished ...>
[pid  6299] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6298] close(14 <unfinished ...>
[pid  6297] close(19 <unfinished ...>
[pid  6301] close(14 <unfinished ...>
[pid  6300] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6299] close(12 <unfinished ...>
[pid  6298] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6297] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6300] close(15 <unfinished ...>
[pid  6299] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6298] close(15 <unfinished ...>
[pid  6297] close(20 <unfinished ...>
[pid  6301] close(15 <unfinished ...>
[pid  6299] close(13 <unfinished ...>
[pid  6298] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6297] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6299] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6298] close(16 <unfinished ...>
[pid  6297] close(21 <unfinished ...>
[pid  6301] close(16 <unfinished ...>
[pid  6299] close(14 <unfinished ...>
[pid  6298] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6297] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6299] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6298] close(17 <unfinished ...>
[pid  6297] close(22 <unfinished ...>
[pid  6301] close(17 <unfinished ...>
[pid  6299] close(15 <unfinished ...>
[pid  6298] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6297] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6299] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6298] close(18 <unfinished ...>
[pid  6297] close(23 <unfinished ...>
[pid  6301] close(18 <unfinished ...>
[pid  6299] close(16 <unfinished ...>
[pid  6298] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6297] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6299] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6298] close(19 <unfinished ...>
[pid  6297] close(24 <unfinished ...>
[pid  6301] close(19 <unfinished ...>
[pid  6300] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6299] close(17 <unfinished ...>
[pid  6298] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6297] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6300] close(16 <unfinished ...>
[pid  6299] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6298] close(20 <unfinished ...>
[pid  6297] close(25 <unfinished ...>
[pid  6301] close(20 <unfinished ...>
[pid  6300] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6299] close(18 <unfinished ...>
[pid  6298] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6297] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6300] close(17 <unfinished ...>
[pid  6299] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6298] close(21 <unfinished ...>
[pid  6297] close(26 <unfinished ...>
[pid  6301] close(21 <unfinished ...>
[pid  6300] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6299] close(19 <unfinished ...>
[pid  6298] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6297] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6300] close(18 <unfinished ...>
[pid  6299] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6298] close(22 <unfinished ...>
[pid  6297] close(27 <unfinished ...>
[pid  6301] close(22 <unfinished ...>
[pid  6300] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6299] close(20 <unfinished ...>
[pid  6298] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6297] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6300] close(19 <unfinished ...>
[pid  6299] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6298] close(23 <unfinished ...>
[pid  6297] close(28 <unfinished ...>
[pid  6301] close(23 <unfinished ...>
[pid  6300] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6299] close(21 <unfinished ...>
[pid  6298] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6297] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6300] close(20 <unfinished ...>
[pid  6299] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6298] close(24 <unfinished ...>
[pid  6297] close(29 <unfinished ...>
[pid  6301] close(24 <unfinished ...>
[pid  6300] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6299] close(22 <unfinished ...>
[pid  6298] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6297] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6300] close(21 <unfinished ...>
[pid  6299] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6298] close(25 <unfinished ...>
[pid  6301] close(25 <unfinished ...>
[pid  6300] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6297] exit_group(0 <unfinished ...>
[pid  6301] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6300] close(22 <unfinished ...>
[pid  6299] close(23 <unfinished ...>
[pid  6298] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] close(26 <unfinished ...>
[pid  6300] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6299] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6298] close(26 <unfinished ...>
[pid  6297] <... exit_group resumed>)   = ?
[pid  6301] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6299] close(24 <unfinished ...>
[pid  6298] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6300] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  6300] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  6300] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  6300] close(26 <unfinished ...>
[pid  6301] close(27 <unfinished ...>
[pid  6300] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6299] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6298] close(27 <unfinished ...>
[pid  6297] +++ exited with 0 +++
[pid  6301] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6300] close(27 <unfinished ...>
[pid  6299] close(25 <unfinished ...>
[pid  6298] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=87, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6300] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6300] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  6300] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  6300] exit_group(0 <unfinished ...>
[pid  6301] close(28 <unfinished ...>
[pid  6300] <... exit_group resumed>)   = ?
[pid  6299] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6298] close(28 <unfinished ...>
[pid  6301] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6300] +++ exited with 0 +++
[pid  6299] close(26 <unfinished ...>
[pid  6298] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6301] close(29 <unfinished ...>
[pid  6299] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6301] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6299] close(27 <unfinished ...>
[pid  6298] close(29 <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6299] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6298] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6299] close(28 <unfinished ...>
[pid  6301] exit_group(0 <unfinished ...>
[pid  6299] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6298] exit_group(0 <unfinished ...>
[pid  6301] <... exit_group resumed>)   = ?
[pid  6299] close(29 <unfinished ...>
[pid  6298] <... exit_group resumed>)   = ?
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5853] <... restart_syscall resumed>) = 0
[pid  6299] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6298] +++ exited with 0 +++
[pid  6301] +++ exited with 0 +++
[pid  6299] exit_group(0 <unfinished ...>
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] umount2("./87", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid  5853] umount2("./85", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6299] <... exit_group resumed>)   = ?
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... openat resumed>)       = 3
[pid  5853] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] getdents64(3, 0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5856] umount2("./87/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6299] +++ exited with 0 +++
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] newfstatat(AT_FDCWD, "./87/binderfs",  <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5856] unlink("./87/binderfs")     = 0
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5853] umount2("./85/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] close(3 <unfinished ...>
[pid  5854] umount2("./86", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./85/binderfs",  <unfinished ...>
[pid  5857] umount2("./87", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... close resumed>)        = 0
[pid  5855] umount2("./86", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] rmdir("./87" <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] unlink("./85/binderfs" <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] <... rmdir resumed>)        = 0
[pid  5855] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
[pid  5857] <... openat resumed>)       = 3
[pid  5856] mkdir("./88", 0777 <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5853] <... unlink resumed>)       = 0
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
./strace-static-x86_64: Process 6302 attached
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] close(3 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] umount2("./86/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] rmdir("./85" <unfinished ...>
[pid  6302] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] umount2("./87/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] umount2("./86/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./86/binderfs",  <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  6302] <... set_robust_list resumed>) = 0
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 90
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6302] chdir("./88" <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./87/binderfs",  <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./86/binderfs",  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] mkdir("./86", 0777 <unfinished ...>
[pid  6302] <... chdir resumed>)        = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] unlink("./86/binderfs" <unfinished ...>
[pid  5853] <... mkdir resumed>)        = 0
[pid  6302] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] unlink("./87/binderfs" <unfinished ...>
[pid  5855] unlink("./86/binderfs" <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6302] <... prctl resumed>)        = 0
[pid  5857] <... unlink resumed>)       = 0
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] getdents64(3, ./strace-static-x86_64: Process 6303 attached
 <unfinished ...>
[pid  6302] setpgid(0, 0 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6302] <... setpgid resumed>)      = 0
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] close(3 <unfinished ...>
[pid  6303] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  6303] <... set_robust_list resumed>) = 0
[pid  6302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... close resumed>)        = 0
[pid  5857] <... close resumed>)        = 0
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 88
[pid  5857] rmdir("./87" <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5854] rmdir("./86" <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5855] <... close resumed>)        = 0
[pid  6303] chdir("./86" <unfinished ...>
[pid  5855] rmdir("./86" <unfinished ...>
[pid  6302] <... openat resumed>)       = 3
[pid  5855] <... rmdir resumed>)        = 0
[pid  5855] mkdir("./87", 0777 <unfinished ...>
[pid  5857] mkdir("./88", 0777 <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  6303] <... chdir resumed>)        = 0
[pid  6302] write(3, "1000", 4 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  6303] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6302] <... write resumed>)        = 4
[pid  5857] <... mkdir resumed>)        = 0
[pid  5854] mkdir("./87", 0777 <unfinished ...>
[pid  6303] <... prctl resumed>)        = 0
[pid  6302] close(3 <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
./strace-static-x86_64: Process 6304 attached
[pid  6303] setpgid(0, 0 <unfinished ...>
[pid  6302] <... close resumed>)        = 0
[pid  6304] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6303] <... setpgid resumed>)      = 0
[pid  6302] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6305 attached
 <unfinished ...>
[pid  6303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6302] <... symlink resumed>)      = 0
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 90
[pid  6305] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 89
./strace-static-x86_64: Process 6306 attached
[pid  6304] <... set_robust_list resumed>) = 0
[pid  6305] <... set_robust_list resumed>) = 0
[pid  6303] <... openat resumed>)       = 3
[pid  6306] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6305] chdir("./87" <unfinished ...>
[pid  6304] chdir("./88" <unfinished ...>
executing program
[pid  6302] write(1, "executing program\n", 18 <unfinished ...>
[pid  6306] <... set_robust_list resumed>) = 0
[pid  6305] <... chdir resumed>)        = 0
[pid  6304] <... chdir resumed>)        = 0
[pid  6302] <... write resumed>)        = 18
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 89
[pid  6305] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6304] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6302] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6306] chdir("./87" <unfinished ...>
[pid  6304] <... prctl resumed>)        = 0
[pid  6303] write(3, "1000", 4 <unfinished ...>
[pid  6304] setpgid(0, 0 <unfinished ...>
[pid  6302] <... bpf resumed>)          = 3
[pid  6303] <... write resumed>)        = 4
[pid  6305] <... prctl resumed>)        = 0
[pid  6305] setpgid(0, 0)               = 0
[pid  6306] <... chdir resumed>)        = 0
[pid  6304] <... setpgid resumed>)      = 0
[pid  6303] close(3 <unfinished ...>
[pid  6302] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6306] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6303] <... close resumed>)        = 0
[pid  6306] <... prctl resumed>)        = 0
[pid  6302] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6306] setpgid(0, 0 <unfinished ...>
[pid  6305] <... openat resumed>)       = 3
[pid  6303] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6302] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6306] <... setpgid resumed>)      = 0
[pid  6304] <... openat resumed>)       = 3
[pid  6303] <... symlink resumed>)      = 0
[pid  6305] write(3, "1000", 4 <unfinished ...>
[pid  6302] <... bpf resumed>)          = 4
[pid  6306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6305] <... write resumed>)        = 4
[pid  6304] write(3, "1000", 4 <unfinished ...>
[pid  6303] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6306] <... openat resumed>)       = 3
[pid  6305] close(3 <unfinished ...>
[pid  6304] <... write resumed>)        = 4
[pid  6303] <... write resumed>)        = 18
[pid  6302] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6306] write(3, "1000", 4 <unfinished ...>
[pid  6305] <... close resumed>)        = 0
[pid  6304] close(3 <unfinished ...>
[pid  6303] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6304] <... close resumed>)        = 0
[pid  6303] <... bpf resumed>)          = 3
[pid  6304] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6303] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6304] <... symlink resumed>)      = 0
executing program
[pid  6306] <... write resumed>)        = 4
[pid  6305] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6303] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6302] <... bpf resumed>)          = 5
[pid  6306] close(3)                    = 0
[pid  6305] <... symlink resumed>)      = 0
[pid  6304] write(1, "executing program\n", 18 <unfinished ...>
[pid  6303] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6306] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6305] write(1, "executing program\n", 18 <unfinished ...>
[pid  6304] <... write resumed>)        = 18
executing program
[pid  6302] close(3 <unfinished ...>
[pid  6306] <... symlink resumed>)      = 0
[pid  6305] <... write resumed>)        = 18
[pid  6304] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6303] <... bpf resumed>)          = 4
executing program
[pid  6306] write(1, "executing program\n", 18 <unfinished ...>
[pid  6305] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6304] <... bpf resumed>)          = 3
[pid  6302] <... close resumed>)        = 0
[pid  6306] <... write resumed>)        = 18
[pid  6304] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6306] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6302] close(4 <unfinished ...>
[pid  6305] <... bpf resumed>)          = 3
[pid  6304] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6303] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6306] <... bpf resumed>)          = 3
[pid  6305] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6304] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6302] <... close resumed>)        = 0
[pid  6306] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6305] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6304] <... bpf resumed>)          = 4
[pid  6303] <... bpf resumed>)          = 5
[pid  6302] close(5 <unfinished ...>
[pid  6306] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6304] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6305] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6306] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6304] <... bpf resumed>)          = 5
[pid  6302] <... close resumed>)        = 0
[pid  6304] close(3 <unfinished ...>
[pid  6305] <... bpf resumed>)          = 4
[pid  6306] <... bpf resumed>)          = 4
[pid  6303] close(3 <unfinished ...>
[pid  6302] close(6 <unfinished ...>
[pid  6304] <... close resumed>)        = 0
[pid  6302] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6304] close(4 <unfinished ...>
[pid  6302] close(7 <unfinished ...>
[pid  6306] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6305] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6304] <... close resumed>)        = 0
[pid  6303] <... close resumed>)        = 0
[pid  6302] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6306] <... bpf resumed>)          = 5
[pid  6305] <... bpf resumed>)          = 5
[pid  6304] close(5 <unfinished ...>
[pid  6303] close(4 <unfinished ...>
[pid  6302] close(8 <unfinished ...>
[pid  6306] close(3 <unfinished ...>
[pid  6305] close(3 <unfinished ...>
[pid  6304] <... close resumed>)        = 0
[pid  6303] <... close resumed>)        = 0
[pid  6302] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6306] <... close resumed>)        = 0
[pid  6305] <... close resumed>)        = 0
[pid  6303] close(5 <unfinished ...>
[pid  6305] close(4 <unfinished ...>
[pid  6304] close(6 <unfinished ...>
[pid  6303] <... close resumed>)        = 0
[pid  6305] <... close resumed>)        = 0
[pid  6302] close(9 <unfinished ...>
[pid  6304] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6302] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6304] close(7 <unfinished ...>
[pid  6302] close(10 <unfinished ...>
[pid  6304] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6302] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6306] close(4 <unfinished ...>
[pid  6305] close(5 <unfinished ...>
[pid  6304] close(8 <unfinished ...>
[pid  6303] close(6 <unfinished ...>
[pid  6302] close(11 <unfinished ...>
[pid  6304] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6302] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6304] close(9 <unfinished ...>
[pid  6302] close(12 <unfinished ...>
[pid  6306] <... close resumed>)        = 0
[pid  6305] <... close resumed>)        = 0
[pid  6304] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6303] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6302] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6304] close(10 <unfinished ...>
[pid  6302] close(13 <unfinished ...>
[pid  6304] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6302] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6304] close(11 <unfinished ...>
[pid  6302] close(14 <unfinished ...>
[pid  6304] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6302] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6304] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  6302] close(15 <unfinished ...>
[pid  6304] close(13 <unfinished ...>
[pid  6302] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6304] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6302] close(16 <unfinished ...>
[pid  6304] close(14 <unfinished ...>
[pid  6302] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6304] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6302] close(17 <unfinished ...>
[pid  6304] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  6302] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6304] close(16 <unfinished ...>
[pid  6302] close(18 <unfinished ...>
[pid  6304] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6302] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6304] close(17 <unfinished ...>
[pid  6302] close(19 <unfinished ...>
[pid  6304] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6302] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6304] close(18 <unfinished ...>
[pid  6302] close(20 <unfinished ...>
[pid  6304] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6302] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6304] close(19 <unfinished ...>
[pid  6302] close(21 <unfinished ...>
[pid  6304] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6302] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6304] close(20 <unfinished ...>
[pid  6302] close(22 <unfinished ...>
[pid  6304] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6302] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6304] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  6302] close(23 <unfinished ...>
[pid  6304] close(22 <unfinished ...>
[pid  6302] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6304] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6302] close(24 <unfinished ...>
[pid  6304] close(23 <unfinished ...>
[pid  6302] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6304] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6302] close(25 <unfinished ...>
[pid  6304] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  6302] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6304] close(25 <unfinished ...>
[pid  6302] close(26 <unfinished ...>
[pid  6304] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6302] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6304] close(26 <unfinished ...>
[pid  6302] close(27 <unfinished ...>
[pid  6304] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6302] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6304] close(27 <unfinished ...>
[pid  6302] close(28 <unfinished ...>
[pid  6304] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6302] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6304] close(28 <unfinished ...>
[pid  6302] close(29 <unfinished ...>
[pid  6304] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6302] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6304] close(29 <unfinished ...>
[pid  6302] exit_group(0 <unfinished ...>
[pid  6304] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6304] exit_group(0 <unfinished ...>
[pid  6302] <... exit_group resumed>)   = ?
[pid  6306] close(5 <unfinished ...>
[pid  6303] close(7 <unfinished ...>
[pid  6305] close(6 <unfinished ...>
[pid  6304] <... exit_group resumed>)   = ?
[pid  6306] <... close resumed>)        = 0
[pid  6305] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6303] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6306] close(6 <unfinished ...>
[pid  6305] close(7 <unfinished ...>
[pid  6303] close(8 <unfinished ...>
[pid  6306] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6305] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6303] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6302] +++ exited with 0 +++
[pid  6306] close(7 <unfinished ...>
[pid  6305] close(8 <unfinished ...>
[pid  6303] close(9 <unfinished ...>
[pid  6306] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6305] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6304] +++ exited with 0 +++
[pid  6303] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6306] close(8 <unfinished ...>
[pid  6305] close(9 <unfinished ...>
[pid  6303] close(10 <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6306] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6305] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6303] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6306] close(9 <unfinished ...>
[pid  6305] close(10 <unfinished ...>
[pid  6303] close(11 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6306] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6305] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6303] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5856] <... restart_syscall resumed>) = 0
[pid  6306] close(10 <unfinished ...>
[pid  6305] close(11 <unfinished ...>
[pid  6303] close(12 <unfinished ...>
[pid  6306] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6305] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6303] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6306] close(11 <unfinished ...>
[pid  6305] close(12 <unfinished ...>
[pid  6303] close(13 <unfinished ...>
[pid  6306] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6305] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6303] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] umount2("./88", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6306] close(12 <unfinished ...>
[pid  6305] close(13 <unfinished ...>
[pid  6303] close(14 <unfinished ...>
[pid  6306] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6305] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6303] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6306] close(13 <unfinished ...>
[pid  6305] close(14 <unfinished ...>
[pid  6303] close(15 <unfinished ...>
[pid  6306] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6305] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6303] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6306] close(14 <unfinished ...>
[pid  6305] close(15 <unfinished ...>
[pid  6303] close(16 <unfinished ...>
[pid  5857] umount2("./88", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  6306] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6305] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6303] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6306] close(15 <unfinished ...>
[pid  6305] close(16 <unfinished ...>
[pid  6303] close(17 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  6306] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6305] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6303] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6306] close(16 <unfinished ...>
[pid  6305] close(17 <unfinished ...>
[pid  6303] close(18 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6306] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6305] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6303] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... openat resumed>)       = 3
[pid  6306] close(17 <unfinished ...>
[pid  6305] close(18 <unfinished ...>
[pid  6303] close(19 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6306] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6305] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6303] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  6306] close(18 <unfinished ...>
[pid  6305] close(19 <unfinished ...>
[pid  6303] close(20 <unfinished ...>
[pid  6306] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6305] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6303] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6306] close(19 <unfinished ...>
[pid  6305] close(20 <unfinished ...>
[pid  6303] close(21 <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] umount2("./88/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6306] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6305] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6303] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6306] close(20 <unfinished ...>
[pid  6305] close(21 <unfinished ...>
[pid  6303] close(22 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6306] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6305] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6303] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] newfstatat(AT_FDCWD, "./88/binderfs",  <unfinished ...>
[pid  6306] close(21 <unfinished ...>
[pid  6305] close(22 <unfinished ...>
[pid  6303] close(23 <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6306] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6305] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6303] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] unlink("./88/binderfs" <unfinished ...>
[pid  6306] close(22 <unfinished ...>
[pid  6305] close(23 <unfinished ...>
[pid  6303] close(24 <unfinished ...>
[pid  5857] umount2("./88/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  6306] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6305] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6303] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6306] close(23 <unfinished ...>
[pid  6305] close(24 <unfinished ...>
[pid  6303] close(25 <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./88/binderfs",  <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  6306] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6305] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6303] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6306] close(24 <unfinished ...>
[pid  6305] close(25 <unfinished ...>
[pid  6303] close(26 <unfinished ...>
[pid  5857] unlink("./88/binderfs" <unfinished ...>
[pid  6306] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6305] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6303] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] close(3 <unfinished ...>
[pid  6306] close(25 <unfinished ...>
[pid  6305] close(26 <unfinished ...>
[pid  6303] close(27 <unfinished ...>
[pid  5857] <... unlink resumed>)       = 0
[pid  5856] <... close resumed>)        = 0
[pid  6306] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6305] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6303] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5856] rmdir("./88" <unfinished ...>
[pid  6306] close(26 <unfinished ...>
[pid  6305] close(27 <unfinished ...>
[pid  6303] close(28 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... rmdir resumed>)        = 0
[pid  6306] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6305] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6303] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] close(3 <unfinished ...>
[pid  6306] close(27 <unfinished ...>
[pid  6305] close(28 <unfinished ...>
[pid  6303] close(29 <unfinished ...>
[pid  5856] mkdir("./89", 0777 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  6306] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6305] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6303] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] rmdir("./88" <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  6306] close(28 <unfinished ...>
[pid  6305] close(29 <unfinished ...>
[pid  6303] exit_group(0 <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  6306] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6305] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6303] <... exit_group resumed>)   = ?
[pid  5857] mkdir("./89", 0777 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6307 attached
 <unfinished ...>
[pid  6306] close(29 <unfinished ...>
[pid  6305] exit_group(0 <unfinished ...>
[pid  6303] +++ exited with 0 +++
[pid  5857] <... mkdir resumed>)        = 0
[pid  6306] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6305] <... exit_group resumed>)   = ?
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6307] set_robust_list(0x555562c7b660, 24./strace-static-x86_64: Process 6308 attached
) = 0
[pid  6305] +++ exited with 0 +++
[pid  6306] exit_group(0 <unfinished ...>
[pid  6307] chdir("./89" <unfinished ...>
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 91
[pid  6307] <... chdir resumed>)        = 0
[pid  6307] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6306] <... exit_group resumed>)   = ?
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6308] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6307] <... prctl resumed>)        = 0
[pid  6306] +++ exited with 0 +++
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6308] <... set_robust_list resumed>) = 0
[pid  6307] setpgid(0, 0 <unfinished ...>
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 91
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6308] chdir("./89" <unfinished ...>
[pid  6307] <... setpgid resumed>)      = 0
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6308] <... chdir resumed>)        = 0
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6308] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6308] <... prctl resumed>)        = 0
[pid  6307] <... openat resumed>)       = 3
[pid  6308] setpgid(0, 0)               = 0
[pid  6307] write(3, "1000", 4 <unfinished ...>
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5853] <... restart_syscall resumed>) = 0
[pid  6308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6307] <... write resumed>)        = 4
[pid  5854] umount2("./87", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./86", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6308] <... openat resumed>)       = 3
[pid  6307] close(3 <unfinished ...>
[pid  5855] umount2("./87", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6308] write(3, "1000", 4 <unfinished ...>
[pid  6307] <... close resumed>)        = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6308] <... write resumed>)        = 4
[pid  6307] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] <... openat resumed>)       = 3
executing program
[pid  5853] <... openat resumed>)       = 3
[pid  6308] close(3 <unfinished ...>
[pid  6307] <... symlink resumed>)      = 0
[pid  5855] <... openat resumed>)       = 3
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  6308] <... close resumed>)        = 0
[pid  6307] write(1, "executing program\n", 18 <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6308] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6307] <... write resumed>)        = 18
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6308] <... symlink resumed>)      = 0
[pid  6307] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6308] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6307] <... bpf resumed>)          = 3
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] umount2("./87/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6308] <... write resumed>)        = 18
[pid  6307] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] umount2("./86/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6308] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6307] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5855] umount2("./87/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6308] <... bpf resumed>)          = 3
[pid  6307] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] newfstatat(AT_FDCWD, "./87/binderfs",  <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./86/binderfs",  <unfinished ...>
[pid  6308] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6307] <... bpf resumed>)          = 4
[pid  5855] newfstatat(AT_FDCWD, "./87/binderfs",  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6308] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6307] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] unlink("./87/binderfs" <unfinished ...>
[pid  5853] unlink("./86/binderfs" <unfinished ...>
[pid  6308] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6307] <... bpf resumed>)          = 5
[pid  5855] unlink("./87/binderfs" <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  6308] <... bpf resumed>)          = 4
[pid  5855] <... unlink resumed>)       = 0
[pid  5853] getdents64(3, 0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5853] close(3 <unfinished ...>
[pid  6308] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6307] close(3 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] close(3 <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  6308] <... bpf resumed>)          = 5
[pid  6307] <... close resumed>)        = 0
[pid  5855] close(3 <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  5853] rmdir("./86" <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5854] rmdir("./87" <unfinished ...>
[pid  5853] <... rmdir resumed>)        = 0
[pid  6308] close(3 <unfinished ...>
[pid  6307] close(4 <unfinished ...>
[pid  5855] rmdir("./87" <unfinished ...>
[pid  5853] mkdir("./87", 0777 <unfinished ...>
[pid  6308] <... close resumed>)        = 0
[pid  6307] <... close resumed>)        = 0
[pid  5855] <... rmdir resumed>)        = 0
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] <... mkdir resumed>)        = 0
[pid  6308] close(4 <unfinished ...>
[pid  6307] close(5 <unfinished ...>
[pid  5855] mkdir("./88", 0777 <unfinished ...>
[pid  5854] mkdir("./88", 0777 <unfinished ...>
[pid  6308] <... close resumed>)        = 0
[pid  6307] <... close resumed>)        = 0
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6308] close(5 <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6308] <... close resumed>)        = 0
./strace-static-x86_64: Process 6310 attached
./strace-static-x86_64: Process 6309 attached
[pid  6307] close(6 <unfinished ...>
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6311 attached
 <unfinished ...>
[pid  6310] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6309] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6308] close(6 <unfinished ...>
[pid  6307] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 90
[pid  6310] <... set_robust_list resumed>) = 0
[pid  6309] <... set_robust_list resumed>) = 0
[pid  6308] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6307] close(7 <unfinished ...>
[pid  6309] chdir("./88" <unfinished ...>
[pid  6308] close(7 <unfinished ...>
[pid  6307] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 90
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 89
[pid  6310] chdir("./87" <unfinished ...>
[pid  6308] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6307] close(8 <unfinished ...>
[pid  6311] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6308] close(8 <unfinished ...>
[pid  6307] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6308] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6307] close(9 <unfinished ...>
[pid  6308] close(9 <unfinished ...>
[pid  6307] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6308] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6307] close(10 <unfinished ...>
[pid  6308] close(10 <unfinished ...>
[pid  6307] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6308] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6307] close(11 <unfinished ...>
[pid  6311] <... set_robust_list resumed>) = 0
[pid  6310] <... chdir resumed>)        = 0
[pid  6309] <... chdir resumed>)        = 0
[pid  6308] close(11 <unfinished ...>
[pid  6307] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6311] chdir("./88" <unfinished ...>
[pid  6310] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6309] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6308] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6307] close(12 <unfinished ...>
[pid  6311] <... chdir resumed>)        = 0
[pid  6310] <... prctl resumed>)        = 0
[pid  6309] <... prctl resumed>)        = 0
[pid  6311] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6310] setpgid(0, 0 <unfinished ...>
[pid  6309] setpgid(0, 0 <unfinished ...>
[pid  6308] close(12 <unfinished ...>
[pid  6307] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6311] <... prctl resumed>)        = 0
[pid  6310] <... setpgid resumed>)      = 0
[pid  6309] <... setpgid resumed>)      = 0
[pid  6308] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6307] close(13 <unfinished ...>
[pid  6308] close(13 <unfinished ...>
[pid  6307] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6308] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6307] close(14 <unfinished ...>
[pid  6309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6311] setpgid(0, 0)               = 0
[pid  6310] <... openat resumed>)       = 3
[pid  6309] <... openat resumed>)       = 3
[pid  6308] close(14 <unfinished ...>
[pid  6307] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6310] write(3, "1000", 4 <unfinished ...>
[pid  6309] write(3, "1000", 4 <unfinished ...>
[pid  6308] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6307] close(15 <unfinished ...>
[pid  6311] <... openat resumed>)       = 3
[pid  6310] <... write resumed>)        = 4
[pid  6309] <... write resumed>)        = 4
[pid  6308] close(15 <unfinished ...>
[pid  6307] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6311] write(3, "1000", 4 <unfinished ...>
[pid  6310] close(3 <unfinished ...>
[pid  6309] close(3 <unfinished ...>
[pid  6308] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6307] close(16 <unfinished ...>
[pid  6311] <... write resumed>)        = 4
[pid  6310] <... close resumed>)        = 0
[pid  6309] <... close resumed>)        = 0
[pid  6308] close(16 <unfinished ...>
[pid  6307] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6311] close(3 <unfinished ...>
[pid  6310] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6309] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6308] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6307] close(17 <unfinished ...>
[pid  6311] <... close resumed>)        = 0
[pid  6310] <... symlink resumed>)      = 0
executing program
[pid  6311] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6310] write(1, "executing program\n", 18 <unfinished ...>
[pid  6309] <... symlink resumed>)      = 0
[pid  6308] close(17 <unfinished ...>
[pid  6307] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6311] <... symlink resumed>)      = 0
[pid  6310] <... write resumed>)        = 18
[pid  6309] write(1, "executing program\n", 18 <unfinished ...>
[pid  6308] <... close resumed>)        = -1 EBADF (Bad file descriptor)
executing program
executing program
[pid  6307] close(18 <unfinished ...>
[pid  6311] write(1, "executing program\n", 18 <unfinished ...>
[pid  6310] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6309] <... write resumed>)        = 18
[pid  6308] close(18 <unfinished ...>
[pid  6307] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6311] <... write resumed>)        = 18
[pid  6310] <... bpf resumed>)          = 3
[pid  6311] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6310] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6309] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6308] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6307] close(19 <unfinished ...>
[pid  6311] <... bpf resumed>)          = 3
[pid  6310] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6309] <... bpf resumed>)          = 3
[pid  6308] close(19 <unfinished ...>
[pid  6307] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6311] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6310] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6309] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6308] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6307] close(20 <unfinished ...>
[pid  6311] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6311] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6309] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6308] close(20 <unfinished ...>
[pid  6307] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6310] <... bpf resumed>)          = 4
[pid  6309] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6308] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6307] close(21 <unfinished ...>
[pid  6311] <... bpf resumed>)          = 4
[pid  6310] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6309] <... bpf resumed>)          = 4
[pid  6308] close(21 <unfinished ...>
[pid  6307] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6311] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6310] <... bpf resumed>)          = 5
[pid  6309] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6308] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6307] close(22 <unfinished ...>
[pid  6311] <... bpf resumed>)          = 5
[pid  6310] close(3 <unfinished ...>
[pid  6309] <... bpf resumed>)          = 5
[pid  6308] close(22 <unfinished ...>
[pid  6307] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6311] close(3 <unfinished ...>
[pid  6310] <... close resumed>)        = 0
[pid  6309] close(3 <unfinished ...>
[pid  6308] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6307] close(23 <unfinished ...>
[pid  6311] <... close resumed>)        = 0
[pid  6310] close(4 <unfinished ...>
[pid  6309] <... close resumed>)        = 0
[pid  6308] close(23 <unfinished ...>
[pid  6307] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6311] close(4 <unfinished ...>
[pid  6310] <... close resumed>)        = 0
[pid  6309] close(4 <unfinished ...>
[pid  6308] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6307] close(24 <unfinished ...>
[pid  6311] <... close resumed>)        = 0
[pid  6310] close(5 <unfinished ...>
[pid  6309] <... close resumed>)        = 0
[pid  6308] close(24 <unfinished ...>
[pid  6307] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6311] close(5 <unfinished ...>
[pid  6310] <... close resumed>)        = 0
[pid  6309] close(5 <unfinished ...>
[pid  6308] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6307] close(25 <unfinished ...>
[pid  6311] <... close resumed>)        = 0
[pid  6310] close(6 <unfinished ...>
[pid  6309] <... close resumed>)        = 0
[pid  6308] close(25 <unfinished ...>
[pid  6307] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6311] close(6 <unfinished ...>
[pid  6310] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6309] close(6 <unfinished ...>
[pid  6308] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6307] close(26 <unfinished ...>
[pid  6311] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6310] close(7 <unfinished ...>
[pid  6309] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6308] close(26 <unfinished ...>
[pid  6311] close(7 <unfinished ...>
[pid  6310] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6309] close(7 <unfinished ...>
[pid  6311] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6310] close(8 <unfinished ...>
[pid  6309] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6311] close(8 <unfinished ...>
[pid  6310] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6309] close(8 <unfinished ...>
[pid  6308] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6307] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6308] close(27 <unfinished ...>
[pid  6307] close(27 <unfinished ...>
[pid  6308] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6307] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6308] close(28 <unfinished ...>
[pid  6307] close(28 <unfinished ...>
[pid  6308] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6311] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6310] close(9 <unfinished ...>
[pid  6309] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6311] close(9 <unfinished ...>
[pid  6310] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6309] close(9 <unfinished ...>
[pid  6308] close(29 <unfinished ...>
[pid  6307] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6311] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6310] close(10 <unfinished ...>
[pid  6309] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6308] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6307] close(29 <unfinished ...>
[pid  6311] close(10 <unfinished ...>
[pid  6310] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6309] close(10 <unfinished ...>
[pid  6311] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6310] close(11 <unfinished ...>
[pid  6309] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6308] exit_group(0 <unfinished ...>
[pid  6307] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6311] close(11 <unfinished ...>
[pid  6310] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6309] close(11 <unfinished ...>
[pid  6311] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6310] close(12 <unfinished ...>
[pid  6309] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6307] exit_group(0 <unfinished ...>
[pid  6311] close(12 <unfinished ...>
[pid  6310] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6309] close(12 <unfinished ...>
[pid  6311] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6310] close(13 <unfinished ...>
[pid  6309] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6308] <... exit_group resumed>)   = ?
[pid  6307] <... exit_group resumed>)   = ?
[pid  6311] close(13 <unfinished ...>
[pid  6310] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6309] close(13 <unfinished ...>
[pid  6311] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6310] close(14 <unfinished ...>
[pid  6309] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6311] close(14 <unfinished ...>
[pid  6310] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6309] close(14 <unfinished ...>
[pid  6311] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6310] close(15 <unfinished ...>
[pid  6309] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6311] close(15 <unfinished ...>
[pid  6310] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6309] close(15 <unfinished ...>
[pid  6311] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6310] close(16 <unfinished ...>
[pid  6309] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6311] close(16 <unfinished ...>
[pid  6310] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6309] close(16 <unfinished ...>
[pid  6311] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6310] close(17 <unfinished ...>
[pid  6311] close(17 <unfinished ...>
[pid  6310] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6309] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6308] +++ exited with 0 +++
[pid  6311] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6310] close(18 <unfinished ...>
[pid  6309] close(17 <unfinished ...>
[pid  6311] close(18 <unfinished ...>
[pid  6310] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6309] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=91, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6311] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6310] close(19 <unfinished ...>
[pid  6309] close(18 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6311] close(19 <unfinished ...>
[pid  6310] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6309] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6311] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6310] close(20 <unfinished ...>
[pid  6309] close(19 <unfinished ...>
[pid  6311] close(20 <unfinished ...>
[pid  6310] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6309] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6307] +++ exited with 0 +++
[pid  6311] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6310] close(21 <unfinished ...>
[pid  6309] close(20 <unfinished ...>
[pid  6311] close(21 <unfinished ...>
[pid  6310] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6309] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=91, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6311] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6310] close(22 <unfinished ...>
[pid  6309] close(21 <unfinished ...>
[pid  5856] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6311] close(22 <unfinished ...>
[pid  6310] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6309] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... restart_syscall resumed>) = 0
[pid  6311] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6310] close(23 <unfinished ...>
[pid  6309] close(22 <unfinished ...>
[pid  6311] close(23 <unfinished ...>
[pid  6310] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6309] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6311] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6310] close(24 <unfinished ...>
[pid  6309] close(23 <unfinished ...>
[pid  6311] close(24 <unfinished ...>
[pid  6310] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6309] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./89", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6311] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6310] close(25 <unfinished ...>
[pid  6309] close(24 <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6311] close(25 <unfinished ...>
[pid  6310] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6309] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6311] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6310] close(26 <unfinished ...>
[pid  6309] close(25 <unfinished ...>
[pid  6311] close(26 <unfinished ...>
[pid  6310] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6309] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] <... openat resumed>)       = 3
[pid  6311] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6310] close(27 <unfinished ...>
[pid  6309] close(26 <unfinished ...>
[pid  6311] close(27 <unfinished ...>
[pid  6310] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6309] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6311] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6310] close(28 <unfinished ...>
[pid  6309] close(27 <unfinished ...>
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  6311] close(28 <unfinished ...>
[pid  6310] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6309] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6311] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6310] close(29 <unfinished ...>
[pid  6309] close(28 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6311] close(29 <unfinished ...>
[pid  6310] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6311] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6310] exit_group(0 <unfinished ...>
[pid  6309] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] getdents64(3,  <unfinished ...>
[pid  6311] exit_group(0)               = ?
[pid  6309] close(29 <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6310] <... exit_group resumed>)   = ?
[pid  6309] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] umount2("./89/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6309] exit_group(0 <unfinished ...>
[pid  6310] +++ exited with 0 +++
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6311] +++ exited with 0 +++
[pid  6309] <... exit_group resumed>)   = ?
[pid  5857] newfstatat(AT_FDCWD, "./89/binderfs",  <unfinished ...>
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6309] +++ exited with 0 +++
[pid  5856] <... restart_syscall resumed>) = 0
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5857] unlink("./89/binderfs")     = 0
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5857] getdents64(3, 0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] umount2("./88", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] umount2("./87", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5855] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] rmdir("./89" <unfinished ...>
[pid  5855] <... openat resumed>)       = 3
[pid  5853] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] <... rmdir resumed>)        = 0
[pid  5856] umount2("./89", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] umount2("./88", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5854] <... openat resumed>)       = 3
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  5854] newfstatat(3, "",  <unfinished ...>
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] mkdir("./90", 0777 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5857] <... mkdir resumed>)        = 0
[pid  5856] umount2("./89/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] umount2("./88/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./89/binderfs",  <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] umount2("./88/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] newfstatat(AT_FDCWD, "./88/binderfs",  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5855] newfstatat(AT_FDCWD, "./88/binderfs",  <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] unlink("./89/binderfs" <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] umount2("./87/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... unlink resumed>)       = 0
[pid  5854] unlink("./88/binderfs"./strace-static-x86_64: Process 6312 attached
 <unfinished ...>
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5856] close(3 <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5856] <... close resumed>)        = 0
[pid  5854] close(3)                    = 0
[pid  6312] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5856] rmdir("./89" <unfinished ...>
[pid  5855] unlink("./88/binderfs" <unfinished ...>
[pid  5853] newfstatat(AT_FDCWD, "./87/binderfs",  <unfinished ...>
[pid  6312] <... set_robust_list resumed>) = 0
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 92
[pid  5856] <... rmdir resumed>)        = 0
[pid  5855] <... unlink resumed>)       = 0
[pid  5854] rmdir("./88" <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  6312] chdir("./90" <unfinished ...>
[pid  5856] mkdir("./90", 0777 <unfinished ...>
[pid  6312] <... chdir resumed>)        = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] unlink("./87/binderfs" <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6312] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5855] close(3 <unfinished ...>
[pid  5854] mkdir("./89", 0777 <unfinished ...>
[pid  5853] <... unlink resumed>)       = 0
[pid  6312] <... prctl resumed>)        = 0
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] <... close resumed>)        = 0
[pid  6312] setpgid(0, 0 <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5855] rmdir("./88" <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] getdents64(3,  <unfinished ...>
[pid  6312] <... setpgid resumed>)      = 0
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] close(3./strace-static-x86_64: Process 6314 attached
./strace-static-x86_64: Process 6313 attached
 <unfinished ...>
[pid  6312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  5853] <... close resumed>)        = 0
[pid  5855] mkdir("./89", 0777 <unfinished ...>
[pid  6314] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6313] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 91
[pid  6314] <... set_robust_list resumed>) = 0
[pid  6313] <... set_robust_list resumed>) = 0
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 92
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5853] rmdir("./87" <unfinished ...>
[pid  6314] chdir("./89" <unfinished ...>
[pid  6312] <... openat resumed>)       = 3
[pid  5853] <... rmdir resumed>)        = 0
[pid  6314] <... chdir resumed>)        = 0
./strace-static-x86_64: Process 6315 attached
[pid  6314] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6313] chdir("./90" <unfinished ...>
[pid  6312] write(3, "1000", 4 <unfinished ...>
[pid  5853] mkdir("./88", 0777 <unfinished ...>
[pid  6314] <... prctl resumed>)        = 0
[pid  6313] <... chdir resumed>)        = 0
[pid  6314] setpgid(0, 0 <unfinished ...>
[pid  6313] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6314] <... setpgid resumed>)      = 0
[pid  6313] <... prctl resumed>)        = 0
[pid  6315] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6313] setpgid(0, 0 <unfinished ...>
[pid  6312] <... write resumed>)        = 4
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 91
[pid  5853] <... mkdir resumed>)        = 0
[pid  6315] <... set_robust_list resumed>) = 0
[pid  6312] close(3 <unfinished ...>
[pid  6315] chdir("./89" <unfinished ...>
[pid  6314] <... openat resumed>)       = 3
[pid  6313] <... setpgid resumed>)      = 0
[pid  6312] <... close resumed>)        = 0
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6312] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6314] write(3, "1000", 4)         = 4
[pid  6313] <... openat resumed>)       = 3
./strace-static-x86_64: Process 6316 attached
[pid  6314] close(3 <unfinished ...>
[pid  6312] <... symlink resumed>)      = 0
[pid  6316] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6315] <... chdir resumed>)        = 0
[pid  6314] <... close resumed>)        = 0
[pid  6313] write(3, "1000", 4 <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 90
[pid  6316] <... set_robust_list resumed>) = 0
executing program
[pid  6315] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6314] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6312] write(1, "executing program\n", 18 <unfinished ...>
[pid  6315] <... prctl resumed>)        = 0
[pid  6312] <... write resumed>)        = 18
[pid  6315] setpgid(0, 0 <unfinished ...>
[pid  6316] chdir("./88" <unfinished ...>
[pid  6314] <... symlink resumed>)      = 0
[pid  6313] <... write resumed>)        = 4
[pid  6312] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program
 <unfinished ...>
[pid  6316] <... chdir resumed>)        = 0
[pid  6315] <... setpgid resumed>)      = 0
[pid  6314] write(1, "executing program\n", 18 <unfinished ...>
[pid  6313] close(3 <unfinished ...>
[pid  6312] <... bpf resumed>)          = 3
[pid  6316] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6314] <... write resumed>)        = 18
[pid  6313] <... close resumed>)        = 0
[pid  6316] <... prctl resumed>)        = 0
[pid  6314] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6313] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6312] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6316] setpgid(0, 0 <unfinished ...>
[pid  6315] <... openat resumed>)       = 3
[pid  6314] <... bpf resumed>)          = 3
[pid  6313] <... symlink resumed>)      = 0
[pid  6312] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6316] <... setpgid resumed>)      = 0
[pid  6315] write(3, "1000", 4)         = 4
[pid  6312] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6315] close(3 <unfinished ...>
[pid  6314] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6313] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  6312] <... bpf resumed>)          = 4
[pid  6316] <... openat resumed>)       = 3
[pid  6315] <... close resumed>)        = 0
[pid  6314] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6313] <... write resumed>)        = 18
[pid  6313] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6316] write(3, "1000", 4 <unfinished ...>
[pid  6315] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6314] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6312] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6316] <... write resumed>)        = 4
[pid  6315] <... symlink resumed>)      = 0
[pid  6313] <... bpf resumed>)          = 3
[pid  6316] close(3 <unfinished ...>
[pid  6313] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6312] <... bpf resumed>)          = 5
[pid  6316] <... close resumed>)        = 0
[pid  6315] write(1, "executing program\n", 18 <unfinished ...>
[pid  6313] <... bpf resumed>)          = -1 EFAULT (Bad address)
executing program
[pid  6313] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6316] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6315] <... write resumed>)        = 18
[pid  6314] <... bpf resumed>)          = 4
[pid  6313] <... bpf resumed>)          = 4
[pid  6312] close(3 <unfinished ...>
[pid  6313] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6316] <... symlink resumed>)      = 0
[pid  6315] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6314] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6312] <... close resumed>)        = 0
executing program
[pid  6316] write(1, "executing program\n", 18 <unfinished ...>
[pid  6315] <... bpf resumed>)          = 3
[pid  6316] <... write resumed>)        = 18
[pid  6313] <... bpf resumed>)          = 5
[pid  6314] <... bpf resumed>)          = 5
[pid  6313] close(3 <unfinished ...>
[pid  6316] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6313] <... close resumed>)        = 0
[pid  6315] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6314] close(3 <unfinished ...>
[pid  6313] close(4 <unfinished ...>
[pid  6312] close(4 <unfinished ...>
[pid  6316] <... bpf resumed>)          = 3
[pid  6314] <... close resumed>)        = 0
[pid  6312] <... close resumed>)        = 0
[pid  6314] close(4)                    = 0
[pid  6313] <... close resumed>)        = 0
[pid  6315] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6316] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6313] close(5 <unfinished ...>
[pid  6312] close(5 <unfinished ...>
[pid  6316] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6315] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6314] close(5 <unfinished ...>
[pid  6313] <... close resumed>)        = 0
[pid  6316] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6313] close(6)                    = -1 EBADF (Bad file descriptor)
[pid  6313] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  6313] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  6313] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  6313] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  6313] close(11 <unfinished ...>
[pid  6316] <... bpf resumed>)          = 4
[pid  6315] <... bpf resumed>)          = 4
[pid  6314] <... close resumed>)        = 0
[pid  6313] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6312] <... close resumed>)        = 0
[pid  6315] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6313] close(12 <unfinished ...>
[pid  6316] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6312] close(6 <unfinished ...>
[pid  6315] <... bpf resumed>)          = 5
[pid  6314] close(6 <unfinished ...>
[pid  6313] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6312] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] <... bpf resumed>)          = 5
[pid  6314] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6314] close(7 <unfinished ...>
[pid  6313] close(13 <unfinished ...>
[pid  6312] close(7 <unfinished ...>
[pid  6315] close(3 <unfinished ...>
[pid  6313] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6312] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] close(3 <unfinished ...>
[pid  6315] <... close resumed>)        = 0
[pid  6314] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6313] close(14 <unfinished ...>
[pid  6312] close(8 <unfinished ...>
[pid  6316] <... close resumed>)        = 0
[pid  6315] close(4 <unfinished ...>
[pid  6314] close(8 <unfinished ...>
[pid  6313] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6312] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] close(4 <unfinished ...>
[pid  6315] <... close resumed>)        = 0
[pid  6314] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6313] close(15 <unfinished ...>
[pid  6312] close(9 <unfinished ...>
[pid  6316] <... close resumed>)        = 0
[pid  6315] close(5 <unfinished ...>
[pid  6314] close(9 <unfinished ...>
[pid  6313] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6312] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] close(5 <unfinished ...>
[pid  6314] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6315] <... close resumed>)        = 0
[pid  6314] close(10 <unfinished ...>
[pid  6313] close(16 <unfinished ...>
[pid  6312] close(10 <unfinished ...>
[pid  6314] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] <... close resumed>)        = 0
[pid  6314] close(11 <unfinished ...>
[pid  6316] close(6 <unfinished ...>
[pid  6314] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6314] close(12 <unfinished ...>
[pid  6313] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6312] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] close(7 <unfinished ...>
[pid  6315] close(6 <unfinished ...>
[pid  6314] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6313] close(17 <unfinished ...>
[pid  6312] close(11 <unfinished ...>
[pid  6316] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6315] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6313] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6312] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] close(8 <unfinished ...>
[pid  6315] close(7 <unfinished ...>
[pid  6314] close(13 <unfinished ...>
[pid  6313] close(18 <unfinished ...>
[pid  6312] close(12 <unfinished ...>
[pid  6316] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6315] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6314] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6313] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6312] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] close(9 <unfinished ...>
[pid  6315] close(8 <unfinished ...>
[pid  6314] close(14 <unfinished ...>
[pid  6313] close(19 <unfinished ...>
[pid  6312] close(13 <unfinished ...>
[pid  6316] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6315] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6314] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6313] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6312] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] close(10 <unfinished ...>
[pid  6315] close(9 <unfinished ...>
[pid  6314] close(15 <unfinished ...>
[pid  6313] close(20 <unfinished ...>
[pid  6312] close(14 <unfinished ...>
[pid  6316] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6315] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6314] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6313] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6312] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] close(11 <unfinished ...>
[pid  6315] close(10 <unfinished ...>
[pid  6314] close(16 <unfinished ...>
[pid  6313] close(21 <unfinished ...>
[pid  6312] close(15 <unfinished ...>
[pid  6316] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6315] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6314] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6313] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6312] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] close(12 <unfinished ...>
[pid  6315] close(11 <unfinished ...>
[pid  6314] close(17 <unfinished ...>
[pid  6313] close(22 <unfinished ...>
[pid  6312] close(16 <unfinished ...>
[pid  6316] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6315] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6314] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6313] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6312] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] close(13 <unfinished ...>
[pid  6315] close(12 <unfinished ...>
[pid  6314] close(18 <unfinished ...>
[pid  6313] close(23 <unfinished ...>
[pid  6312] close(17 <unfinished ...>
[pid  6316] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6315] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6314] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6313] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] close(14 <unfinished ...>
[pid  6314] close(19 <unfinished ...>
[pid  6316] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6314] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] close(15 <unfinished ...>
[pid  6314] close(20 <unfinished ...>
[pid  6316] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6315] close(13 <unfinished ...>
[pid  6314] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6313] close(24 <unfinished ...>
[pid  6312] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] close(16 <unfinished ...>
[pid  6315] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6313] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6312] close(18 <unfinished ...>
[pid  6315] close(14 <unfinished ...>
[pid  6313] close(25 <unfinished ...>
[pid  6312] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6315] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6313] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6312] close(19 <unfinished ...>
[pid  6315] close(15 <unfinished ...>
[pid  6313] close(26 <unfinished ...>
[pid  6312] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6315] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6313] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6312] close(20 <unfinished ...>
[pid  6315] close(16 <unfinished ...>
[pid  6313] close(27 <unfinished ...>
[pid  6312] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6315] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6313] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6312] close(21 <unfinished ...>
[pid  6315] close(17 <unfinished ...>
[pid  6313] close(28 <unfinished ...>
[pid  6312] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6315] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6313] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6312] close(22 <unfinished ...>
[pid  6315] close(18 <unfinished ...>
[pid  6313] close(29 <unfinished ...>
[pid  6312] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6315] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6313] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6312] close(23 <unfinished ...>
[pid  6316] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6315] close(19 <unfinished ...>
[pid  6314] close(21 <unfinished ...>
[pid  6313] exit_group(0 <unfinished ...>
[pid  6312] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] close(17 <unfinished ...>
[pid  6314] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6315] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6314] close(22 <unfinished ...>
[pid  6313] <... exit_group resumed>)   = ?
[pid  6312] close(24 <unfinished ...>
[pid  6316] close(18 <unfinished ...>
[pid  6315] close(20 <unfinished ...>
[pid  6314] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6313] +++ exited with 0 +++
[pid  6312] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6315] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6314] close(23 <unfinished ...>
[pid  6312] close(25 <unfinished ...>
[pid  6316] close(19 <unfinished ...>
[pid  6315] close(21 <unfinished ...>
[pid  6314] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6312] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=92, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6316] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6315] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6314] close(24 <unfinished ...>
[pid  6312] close(26 <unfinished ...>
[pid  6316] close(20 <unfinished ...>
[pid  6315] close(22 <unfinished ...>
[pid  6314] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6312] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6315] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6314] close(25 <unfinished ...>
[pid  6316] close(21 <unfinished ...>
[pid  6314] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6315] close(23 <unfinished ...>
[pid  6312] close(27 <unfinished ...>
[pid  6316] close(22 <unfinished ...>
[pid  6315] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6314] close(26 <unfinished ...>
[pid  6312] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6315] close(24 <unfinished ...>
[pid  6314] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6312] close(28 <unfinished ...>
[pid  5856] umount2("./90", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6316] close(23 <unfinished ...>
[pid  6315] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6314] close(27 <unfinished ...>
[pid  6312] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6315] close(25 <unfinished ...>
[pid  6314] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6312] close(29 <unfinished ...>
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6316] close(24 <unfinished ...>
[pid  6314] close(28 <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  6316] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6314] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] close(25 <unfinished ...>
[pid  6314] close(29 <unfinished ...>
[pid  6316] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6314] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  6315] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6314] exit_group(0 <unfinished ...>
[pid  6312] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] close(27 <unfinished ...>
[pid  6315] close(26 <unfinished ...>
[pid  6314] <... exit_group resumed>)   = ?
[pid  6312] exit_group(0 <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  6316] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6315] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6312] <... exit_group resumed>)   = ?
[pid  6316] close(28 <unfinished ...>
[pid  6315] close(27 <unfinished ...>
[pid  6314] +++ exited with 0 +++
[pid  6312] +++ exited with 0 +++
[pid  5856] newfstatat(3, "",  <unfinished ...>
[pid  6316] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6315] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6316] close(29 <unfinished ...>
[pid  6315] close(28 <unfinished ...>
[pid  6316] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6315] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5857] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=92, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=91, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  6316] exit_group(0 <unfinished ...>
[pid  6315] close(29 <unfinished ...>
[pid  5857] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6316] <... exit_group resumed>)   = ?
[pid  6315] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  5856] getdents64(3,  <unfinished ...>
[pid  5854] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  6315] exit_group(0)               = ?
[pid  6316] +++ exited with 0 +++
[pid  6315] +++ exited with 0 +++
[pid  5856] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5856] umount2("./90/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=91, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5853] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  5856] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5853] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5856] newfstatat(AT_FDCWD, "./90/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5856] unlink("./90/binderfs")     = 0
[pid  5856] getdents64(3, 0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5857] <... restart_syscall resumed>) = 0
[pid  5856] close(3 <unfinished ...>
[pid  5855] <... restart_syscall resumed>) = 0
[pid  5854] <... restart_syscall resumed>) = 0
[pid  5853] <... restart_syscall resumed>) = 0
[pid  5856] <... close resumed>)        = 0
[pid  5856] rmdir("./90")               = 0
[pid  5856] mkdir("./91", 0777 <unfinished ...>
[pid  5854] umount2("./89", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] umount2("./88", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5856] <... mkdir resumed>)        = 0
[pid  5855] umount2("./89", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5857] umount2("./90", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5857] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5856] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5857] <... openat resumed>)       = 3
[pid  5855] <... openat resumed>)       = 3
[pid  5854] <... openat resumed>)       = 3
[pid  5853] newfstatat(3, "",  <unfinished ...>
[pid  5854] newfstatat(3, "", ./strace-static-x86_64: Process 6317 attached
 <unfinished ...>
[pid  5855] newfstatat(3, "",  <unfinished ...>
[pid  5854] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5857] newfstatat(3, "",  <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  6317] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  5857] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5856] <... clone resumed>, child_tidptr=0x555562c7b650) = 93
[pid  5855] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
[pid  5854] getdents64(3,  <unfinished ...>
[pid  6317] <... set_robust_list resumed>) = 0
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5855] getdents64(3,  <unfinished ...>
[pid  6317] chdir("./91" <unfinished ...>
[pid  5857] umount2("./90/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  5854] umount2("./89/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 3 entries */, 32768) = 80
[pid  6317] <... chdir resumed>)        = 0
[pid  5857] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5855] umount2("./89/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  5854] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5853] umount2("./88/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW <unfinished ...>
[pid  6317] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] newfstatat(AT_FDCWD, "./90/binderfs",  <unfinished ...>
[pid  5855] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  5854] newfstatat(AT_FDCWD, "./89/binderfs",  <unfinished ...>
[pid  5853] <... umount2 resumed>)      = -1 EINVAL (Invalid argument)
[pid  6317] <... prctl resumed>)        = 0
[pid  5857] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] newfstatat(AT_FDCWD, "./89/binderfs",  <unfinished ...>
[pid  6317] setpgid(0, 0 <unfinished ...>
[pid  5857] unlink("./90/binderfs" <unfinished ...>
[pid  5855] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5854] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5853] newfstatat(AT_FDCWD, "./88/binderfs",  <unfinished ...>
[pid  6317] <... setpgid resumed>)      = 0
[pid  5857] <... unlink resumed>)       = 0
[pid  5855] unlink("./89/binderfs" <unfinished ...>
[pid  5854] unlink("./89/binderfs" <unfinished ...>
[pid  5853] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid  5855] <... unlink resumed>)       = 0
[pid  6317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] getdents64(3,  <unfinished ...>
[pid  5853] unlink("./88/binderfs" <unfinished ...>
[pid  5857] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5855] getdents64(3,  <unfinished ...>
[pid  5854] <... unlink resumed>)       = 0
[pid  5853] <... unlink resumed>)       = 0
[pid  5857] close(3 <unfinished ...>
[pid  5855] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6317] <... openat resumed>)       = 3
[pid  5857] <... close resumed>)        = 0
[pid  5855] close(3 <unfinished ...>
[pid  5853] getdents64(3,  <unfinished ...>
[pid  5857] rmdir("./90" <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5857] <... rmdir resumed>)        = 0
[pid  5855] rmdir("./89" <unfinished ...>
[pid  6317] write(3, "1000", 4 <unfinished ...>
[pid  5854] getdents64(3,  <unfinished ...>
[pid  5853] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  5854] <... getdents64 resumed>0x555562c7c6f0 /* 0 entries */, 32768) = 0
[pid  6317] <... write resumed>)        = 4
[pid  5854] close(3 <unfinished ...>
[pid  6317] close(3 <unfinished ...>
[pid  5854] <... close resumed>)        = 0
[pid  6317] <... close resumed>)        = 0
[pid  5854] rmdir("./89" <unfinished ...>
[pid  6317] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5857] mkdir("./91", 0777 <unfinished ...>
[pid  5855] <... rmdir resumed>)        = 0
[pid  5853] close(3 <unfinished ...>
[pid  5857] <... mkdir resumed>)        = 0
[pid  5855] mkdir("./90", 0777 <unfinished ...>
[pid  5854] <... rmdir resumed>)        = 0
[pid  5853] <... close resumed>)        = 0
[pid  5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
 <unfinished ...>
[pid  5855] <... mkdir resumed>)        = 0
[pid  5853] rmdir("./88" <unfinished ...>
[pid  6317] write(1, "executing program\n", 18 <unfinished ...>
[pid  5854] mkdir("./90", 0777./strace-static-x86_64: Process 6318 attached
 <unfinished ...>
[pid  6317] <... write resumed>)        = 18
[pid  5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5854] <... mkdir resumed>)        = 0
[pid  5853] <... rmdir resumed>)        = 0
[pid  6317] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  5854] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6319 attached
 <unfinished ...>
[pid  6318] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6317] <... bpf resumed>)          = 3
[pid  5857] <... clone resumed>, child_tidptr=0x555562c7b650) = 93
[pid  5853] mkdir("./89", 0777./strace-static-x86_64: Process 6320 attached
 <unfinished ...>
[pid  6319] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6318] <... set_robust_list resumed>) = 0
[pid  6317] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6320] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6319] <... set_robust_list resumed>) = 0
[pid  6318] chdir("./91" <unfinished ...>
[pid  6317] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  5855] <... clone resumed>, child_tidptr=0x555562c7b650) = 92
[pid  5854] <... clone resumed>, child_tidptr=0x555562c7b650) = 92
[pid  5853] <... mkdir resumed>)        = 0
[pid  6320] <... set_robust_list resumed>) = 0
[pid  6319] chdir("./90" <unfinished ...>
[pid  6318] <... chdir resumed>)        = 0
[pid  6317] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  5853] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  6320] chdir("./90" <unfinished ...>
[pid  6319] <... chdir resumed>)        = 0
[pid  6318] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6317] <... bpf resumed>)          = 4
./strace-static-x86_64: Process 6321 attached
[pid  6319] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6318] <... prctl resumed>)        = 0
[pid  6320] <... chdir resumed>)        = 0
[pid  6320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  6321] set_robust_list(0x555562c7b660, 24 <unfinished ...>
[pid  6320] setpgid(0, 0 <unfinished ...>
[pid  6319] <... prctl resumed>)        = 0
[pid  6318] setpgid(0, 0 <unfinished ...>
[pid  6317] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  5853] <... clone resumed>, child_tidptr=0x555562c7b650) = 91
[pid  6321] <... set_robust_list resumed>) = 0
[pid  6320] <... setpgid resumed>)      = 0
[pid  6319] setpgid(0, 0 <unfinished ...>
[pid  6318] <... setpgid resumed>)      = 0
[pid  6321] chdir("./89" <unfinished ...>
[pid  6319] <... setpgid resumed>)      = 0
[pid  6318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6317] <... bpf resumed>)          = 5
[pid  6320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6318] <... openat resumed>)       = 3
[pid  6317] close(3 <unfinished ...>
[pid  6321] <... chdir resumed>)        = 0
[pid  6320] <... openat resumed>)       = 3
[pid  6319] <... openat resumed>)       = 3
[pid  6317] <... close resumed>)        = 0
[pid  6321] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  6318] write(3, "1000", 4 <unfinished ...>
[pid  6321] <... prctl resumed>)        = 0
[pid  6319] write(3, "1000", 4 <unfinished ...>
[pid  6321] setpgid(0, 0 <unfinished ...>
[pid  6318] <... write resumed>)        = 4
[pid  6321] <... setpgid resumed>)      = 0
[pid  6319] <... write resumed>)        = 4
[pid  6318] close(3 <unfinished ...>
[pid  6321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  6319] close(3 <unfinished ...>
[pid  6318] <... close resumed>)        = 0
[pid  6318] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6319] <... close resumed>)        = 0
[pid  6321] <... openat resumed>)       = 3
[pid  6320] write(3, "1000", 4 <unfinished ...>
[pid  6319] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6318] <... symlink resumed>)      = 0
[pid  6317] close(4 <unfinished ...>
[pid  6321] write(3, "1000", 4 <unfinished ...>
[pid  6320] <... write resumed>)        = 4
[pid  6319] <... symlink resumed>)      = 0
[pid  6321] <... write resumed>)        = 4
[pid  6320] close(3 <unfinished ...>
[pid  6317] <... close resumed>)        = 0
[pid  6320] <... close resumed>)        = 0
executing program
executing program
[pid  6317] close(5 <unfinished ...>
[pid  6320] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6321] close(3 <unfinished ...>
[pid  6319] write(1, "executing program\n", 18 <unfinished ...>
[pid  6318] write(1, "executing program\n", 18 <unfinished ...>
[pid  6321] <... close resumed>)        = 0
[pid  6319] <... write resumed>)        = 18
[pid  6318] <... write resumed>)        = 18
[pid  6317] <... close resumed>)        = 0
[pid  6321] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid  6320] <... symlink resumed>)      = 0
[pid  6319] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6318] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6321] <... symlink resumed>)      = 0
[pid  6320] write(1, "executing program\n", 18 <unfinished ...>
[pid  6319] <... bpf resumed>)          = 3
executing program
[pid  6318] <... bpf resumed>)          = 3
[pid  6320] <... write resumed>)        = 18
executing program
[pid  6321] write(1, "executing program\n", 18 <unfinished ...>
[pid  6320] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6319] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6318] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6321] <... write resumed>)        = 18
[pid  6320] <... bpf resumed>)          = 3
[pid  6317] close(6 <unfinished ...>
[pid  6321] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_QUEUE, key_size=0, value_size=4, max_entries=255, map_flags=0, inner_map_fd=1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 <unfinished ...>
[pid  6320] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6319] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6318] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6317] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6321] <... bpf resumed>)          = 3
[pid  6319] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6318] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6317] close(7 <unfinished ...>
[pid  6320] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6321] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=12, insns=0x20000440, 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_XDP, 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  6320] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6319] <... bpf resumed>)          = 4
[pid  6318] <... bpf resumed>)          = 4
[pid  6317] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6321] <... bpf resumed>)          = -1 EFAULT (Bad address)
[pid  6317] close(8 <unfinished ...>
[pid  6321] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 <unfinished ...>
[pid  6318] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6317] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6321] <... bpf resumed>)          = 4
[pid  6320] <... bpf resumed>)          = 4
[pid  6319] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6318] <... bpf resumed>)          = 5
[pid  6317] close(9 <unfinished ...>
[pid  6319] <... bpf resumed>)          = 5
[pid  6321] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6320] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_end", prog_fd=4}}, 16 <unfinished ...>
[pid  6318] close(3 <unfinished ...>
[pid  6317] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid  6321] <... bpf resumed>)          = 5
[pid  6320] <... bpf resumed>)          = 5
[pid  6319] close(3 <unfinished ...>
[pid  6318] <... close resumed>)        = 0
[pid  6317] close(10 <unfinished ...>
[pid  6321] close(3 <unfinished ...>