./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor640861755 <...> [pid 5591] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5597] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] <... openat resumed>) = 3 [pid 5595] <... symlink resumed>) = 0 [pid 5594] read(200, [pid 5593] <... close resumed>) = 0 [pid 5592] <... mprotect resumed>) = 0 [pid 5597] <... futex resumed>) = 0 [pid 5596] write(3, "1000", 4 [pid 5595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5594] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5593] read(200, [pid 5592] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5598 attached [pid 5597] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5596] <... write resumed>) = 4 [pid 5595] <... openat resumed>) = 3 [pid 5594] symlink("/dev/binderfs", "./binderfs" [pid 5593] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5591] close(3 [pid 5598] set_robust_list(0x7f4e92bc39e0, 24 [pid 5596] close(3 [pid 5595] write(3, "1000", 4 [pid 5594] <... symlink resumed>) = 0 [pid 5593] symlink("/dev/binderfs", "./binderfs" [pid 5592] <... clone resumed>, parent_tid=[93], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 93 [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5596] <... close resumed>) = 0 [pid 5594] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] close(4 [pid 5598] <... set_robust_list resumed>) = 0 [pid 5596] read(200, [pid 5595] <... write resumed>) = 4 [pid 5594] <... futex resumed>) = 0 [pid 5593] <... symlink resumed>) = 0 [pid 5592] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5598] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5596] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5595] close(3 [pid 5594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5596] symlink("/dev/binderfs", "./binderfs" [pid 5594] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5593] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5592] <... futex resumed>) = 0 [pid 5591] close(5 [pid 5595] <... close resumed>) = 0 [pid 5598] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] <... symlink resumed>) = 0 [pid 5594] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5593] <... futex resumed>) = 0 [pid 5592] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] <... futex resumed>) = 0 [pid 5596] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] read(200, [pid 5594] <... mprotect resumed>) = 0 [pid 5593] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5591] close(6 [pid 5598] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5596] <... futex resumed>) = 0 [pid 5595] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5594] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5593] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5592] close(3 [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5599 attached [pid 5596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5595] symlink("/dev/binderfs", "./binderfs" [pid 5593] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] close(7 [pid 5599] set_robust_list(0x7f4e92bc39e0, 24 [pid 5594] <... clone resumed>, parent_tid=[85], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 85 [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5599] <... set_robust_list resumed>) = 0 [pid 5596] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5595] <... symlink resumed>) = 0 [pid 5594] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5593] <... mprotect resumed>) = 0 [pid 5592] close(4 [pid 5591] close(8 [pid 5599] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5596] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5595] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] <... futex resumed>) = 0 [pid 5593] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5599] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5596] <... mprotect resumed>) = 0 [pid 5595] <... futex resumed>) = 0 [pid 5594] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5591] close(9./strace-static-x86_64: Process 5600 attached [pid 5599] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5592] close(5 [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5601 attached [pid 5600] set_robust_list(0x7f4e92bc39e0, 24 [pid 5599] <... futex resumed>) = 0 [pid 5595] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5594] close(3 [pid 5593] <... clone resumed>, parent_tid=[83], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 83 [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] close(10 [pid 5601] set_robust_list(0x7f4e92bc39e0, 24 [pid 5600] <... set_robust_list resumed>) = 0 [pid 5599] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5596] <... clone resumed>, parent_tid=[85], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 85 [pid 5595] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5592] close(6 [pid 5601] <... set_robust_list resumed>) = 0 [pid 5600] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5596] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5595] <... mprotect resumed>) = 0 [pid 5594] close(4 [pid 5593] <... futex resumed>) = 0 [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5601] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5600] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5596] <... futex resumed>) = 0 [pid 5595] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5592] close(7 [pid 5591] close(11./strace-static-x86_64: Process 5602 attached [pid 5601] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5600] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5594] close(5 [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5602] set_robust_list(0x7f4e92bc39e0, 24 [pid 5601] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] <... futex resumed>) = 0 [pid 5596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5595] <... clone resumed>, parent_tid=[91], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 91 [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] close(3 [pid 5592] close(8 [pid 5591] close(12 [pid 5602] <... set_robust_list resumed>) = 0 [pid 5601] <... futex resumed>) = 0 [pid 5600] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5596] close(3 [pid 5595] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] close(6 [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5602] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5601] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] <... futex resumed>) = 0 [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] close(4 [pid 5592] close(9 [pid 5591] close(13 [pid 5602] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5596] close(4 [pid 5595] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5594] close(7 [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5602] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] close(5 [pid 5592] close(10 [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5602] <... futex resumed>) = 0 [pid 5596] close(5 [pid 5595] close(3 [pid 5594] close(8 [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] close(14 [pid 5602] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] close(6 [pid 5592] close(11 [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5596] close(6 [pid 5595] close(4 [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] close(7 [pid 5592] close(12 [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] close(5 [pid 5594] close(9 [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] close(15 [pid 5596] close(7 [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] close(8 [pid 5592] close(13 [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] close(6 [pid 5594] close(10 [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5596] close(8 [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] close(9 [pid 5592] close(14 [pid 5591] close(16 [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] close(7 [pid 5594] close(11 [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5596] close(9 [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] close(10 [pid 5592] close(15 [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] close(8 [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] close(12 [pid 5591] close(17 [pid 5596] close(10 [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] close(11 [pid 5592] close(16 [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] close(9 [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5596] close(11 [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] close(13 [pid 5593] close(12 [pid 5592] close(17 [pid 5591] close(18 [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] close(10 [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5596] close(12 [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] close(14 [pid 5593] close(13 [pid 5592] close(18 [pid 5591] close(19 [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] close(11 [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5596] close(13 [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] close(15 [pid 5593] close(14 [pid 5592] close(19 [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] close(12 [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] close(15 [pid 5592] close(20 [pid 5591] close(20 [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] close(13 [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5596] close(14 [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] close(16 [pid 5593] close(16 [pid 5592] close(21 [pid 5591] close(21 [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] close(14 [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5596] close(15 [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] close(17 [pid 5593] close(17 [pid 5592] close(22 [pid 5591] close(22 [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] close(15 [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5596] close(16 [pid 5594] close(18 [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] close(18 [pid 5592] close(23 [pid 5591] close(23 [pid 5596] close(17 [pid 5594] close(19 [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] close(16 [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5596] close(18 [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] close(20 [pid 5593] close(19 [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] close(24 [pid 5591] close(24 [pid 5596] close(19 [pid 5594] close(21 [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5596] close(20 [pid 5595] close(17 [pid 5594] close(22 [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] close(20 [pid 5591] close(25 [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5596] close(21 [pid 5594] close(23 [pid 5592] close(25 [pid 5595] close(18 [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5596] close(22 [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] close(24 [pid 5593] close(21 [pid 5592] close(26 [pid 5591] close(26 [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] close(19 [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5596] close(23 [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] close(25 [pid 5593] close(22 [pid 5592] close(27 [pid 5591] close(27 [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5596] close(24 [pid 5595] close(20 [pid 5594] close(26 [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] close(23 [pid 5592] close(28 [pid 5591] close(28 [pid 5596] close(25 [pid 5595] close(21 [pid 5594] close(27 [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] close(24 [pid 5592] close(29 [pid 5591] close(29 [pid 5596] close(26 [pid 5594] close(28 [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] close(22 [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5593] close(25 [pid 5592] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5596] close(27 [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] close(29 [pid 5591] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] close(23 [pid 5594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... write resumed>) = 335 [pid 5591] <... write resumed>) = 335 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5596] close(28 [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5593] close(26 [pid 5592] exit_group(0 [pid 5591] exit_group(0 [pid 5598] <... futex resumed>) = ? [pid 5597] <... futex resumed>) = ? [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] close(24 [pid 5594] <... write resumed>) = 335 [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5592] <... exit_group resumed>) = ? [pid 5591] <... exit_group resumed>) = ? [pid 5598] +++ exited with 0 +++ [pid 5597] +++ exited with 0 +++ [pid 5596] close(29 [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] exit_group(0 [pid 5593] close(27 [pid 5599] <... futex resumed>) = ? [pid 5596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5594] <... exit_group resumed>) = ? [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5599] +++ exited with 0 +++ [pid 5596] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5595] close(25 [pid 5594] +++ exited with 0 +++ [pid 5593] close(28 [pid 5592] +++ exited with 0 +++ [pid 5591] +++ exited with 0 +++ [pid 5596] <... write resumed>) = 335 [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5596] exit_group(0 [pid 5595] close(26 [pid 5601] <... futex resumed>) = ? [pid 5596] <... exit_group resumed>) = ? [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] close(29 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=92, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5031] restart_syscall(<... resuming interrupted clone ...> [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5601] +++ exited with 0 +++ [pid 5595] close(27 [pid 5593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] restart_syscall(<... resuming interrupted clone ...>write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5031] <... restart_syscall resumed>) = 0 [pid 5029] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5596] +++ exited with 0 +++ [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] <... restart_syscall resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5595] close(28 [pid 5593] <... write resumed>) = 335 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5029] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5593] exit_group(0 [pid 5029] <... openat resumed>) = 3 [pid 5600] <... futex resumed>) = ? [pid 5595] close(29 [pid 5593] <... exit_group resumed>) = ? [pid 5033] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5600] +++ exited with 0 +++ [pid 5595] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5029] fstat(3, [pid 5595] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5595] <... write resumed>) = 335 [pid 5029] getdents64(3, [pid 5595] exit_group(0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5602] <... futex resumed>) = ? [pid 5595] <... exit_group resumed>) = ? [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] unlink("./41/binderfs" [pid 5033] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5029] umount2("./41/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5033] <... openat resumed>) = 3 [pid 5031] <... openat resumed>) = 3 [pid 5030] <... openat resumed>) = 3 [pid 5029] lstat("./41/cgroup.net", [pid 5033] fstat(3, [pid 5031] fstat(3, [pid 5030] fstat(3, [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] unlink("./41/cgroup.net" [pid 5033] getdents64(3, [pid 5031] getdents64(3, [pid 5030] getdents64(3, [pid 5029] <... unlink resumed>) = 0 [pid 5602] +++ exited with 0 +++ [pid 5595] +++ exited with 0 +++ [pid 5593] +++ exited with 0 +++ [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] umount2("./41/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5033] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5029] lstat("./41/cgroup.cpu", [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5032] restart_syscall(<... resuming interrupted clone ...> [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] restart_syscall(<... resuming interrupted clone ...> [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... restart_syscall resumed>) = 0 [pid 5031] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./41/cgroup.cpu" [pid 5028] <... restart_syscall resumed>) = 0 [pid 5033] lstat("./45/binderfs", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./41/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] lstat("./43/binderfs", [pid 5030] lstat("./41/binderfs", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5033] unlink("./45/binderfs" [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] lstat("./41/cgroup", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5033] <... unlink resumed>) = 0 [pid 5032] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] unlink("./43/binderfs" [pid 5030] unlink("./41/binderfs" [pid 5028] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5033] umount2("./45/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... openat resumed>) = 3 [pid 5031] <... unlink resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... openat resumed>) = 3 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./43/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] umount2("./41/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] fstat(3, [pid 5033] lstat("./45/cgroup.net", [pid 5032] fstat(3, [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./41/cgroup" [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] lstat("./43/cgroup.net", [pid 5030] lstat("./41/cgroup.net", [pid 5028] getdents64(3, [pid 5033] unlink("./45/cgroup.net" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5033] <... unlink resumed>) = 0 [pid 5031] unlink("./43/cgroup.net" [pid 5028] umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5033] umount2("./45/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] getdents64(3, [pid 5031] <... unlink resumed>) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./43/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] lstat("./40/binderfs", [pid 5033] lstat("./45/cgroup.cpu", [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] unlink("./41/cgroup.net" [pid 5029] getdents64(3, [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] lstat("./43/cgroup.cpu", [pid 5028] unlink("./40/binderfs" [pid 5033] unlink("./45/cgroup.cpu" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5033] <... unlink resumed>) = 0 [pid 5032] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] unlink("./43/cgroup.cpu" [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] umount2("./40/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5033] umount2("./45/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./43/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] umount2("./41/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] close(3 [pid 5028] lstat("./40/cgroup.net", [pid 5033] lstat("./45/cgroup", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] lstat("./43/cgroup", [pid 5028] unlink("./40/cgroup.net" [pid 5033] unlink("./45/cgroup" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5033] <... unlink resumed>) = 0 [pid 5032] lstat("./44/binderfs", [pid 5031] unlink("./43/cgroup" [pid 5028] umount2("./40/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5033] getdents64(3, [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... close resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] unlink("./44/binderfs" [pid 5031] getdents64(3, [pid 5028] lstat("./40/cgroup.cpu", [pid 5033] close(3 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] lstat("./41/cgroup.cpu", [pid 5029] rmdir("./41" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5033] <... close resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5031] close(3 [pid 5028] unlink("./40/cgroup.cpu" [pid 5033] rmdir("./45" [pid 5031] <... close resumed>) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] umount2("./44/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... rmdir resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5033] <... rmdir resumed>) = 0 [pid 5031] rmdir("./43" [pid 5028] umount2("./40/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5033] mkdir("./46", 0777 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... rmdir resumed>) = 0 [pid 5030] unlink("./41/cgroup.cpu" [pid 5029] mkdir("./42", 0777 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5033] <... mkdir resumed>) = 0 [pid 5032] lstat("./44/cgroup.net", [pid 5031] mkdir("./44", 0777 [pid 5030] <... unlink resumed>) = 0 [pid 5028] lstat("./40/cgroup", [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] <... mkdir resumed>) = 0 [pid 5029] <... mkdir resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 5603 attached [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] umount2("./41/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5604 attached [pid 5603] set_robust_list(0x55555580e6e0, 24 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 94 [pid 5032] unlink("./44/cgroup.net" [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./40/cgroup"./strace-static-x86_64: Process 5605 attached [pid 5603] <... set_robust_list resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 90 [pid 5030] lstat("./41/cgroup", [pid 5604] set_robust_list(0x55555580e6e0, 24 [pid 5603] chdir("./46" [pid 5032] umount2("./44/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 86 [pid 5028] <... unlink resumed>) = 0 [pid 5605] set_robust_list(0x55555580e6e0, 24 [pid 5604] <... set_robust_list resumed>) = 0 [pid 5603] <... chdir resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] unlink("./41/cgroup" [pid 5605] <... set_robust_list resumed>) = 0 [pid 5604] chdir("./42" [pid 5603] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5032] lstat("./44/cgroup.cpu", [pid 5028] getdents64(3, [pid 5605] chdir("./44" [pid 5604] <... chdir resumed>) = 0 [pid 5603] <... prctl resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5605] <... chdir resumed>) = 0 [pid 5604] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5603] setpgid(0, 0 [pid 5028] close(3 [pid 5605] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5604] <... prctl resumed>) = 0 [pid 5603] <... setpgid resumed>) = 0 [pid 5032] unlink("./44/cgroup.cpu" [pid 5030] getdents64(3, [pid 5028] <... close resumed>) = 0 [pid 5605] <... prctl resumed>) = 0 [pid 5604] setpgid(0, 0 [pid 5603] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5032] <... unlink resumed>) = 0 [pid 5028] rmdir("./40" [pid 5605] setpgid(0, 0 [pid 5604] <... setpgid resumed>) = 0 [pid 5603] <... symlink resumed>) = 0 [pid 5032] umount2("./44/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... rmdir resumed>) = 0 [pid 5605] <... setpgid resumed>) = 0 [pid 5604] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5603] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] mkdir("./41", 0777 [pid 5605] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5604] <... symlink resumed>) = 0 [pid 5603] <... symlink resumed>) = 0 [pid 5032] lstat("./44/cgroup", [pid 5030] close(3 [pid 5028] <... mkdir resumed>) = 0 [pid 5605] <... symlink resumed>) = 0 [pid 5604] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5603] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] <... close resumed>) = 0 [pid 5605] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5604] <... symlink resumed>) = 0 [pid 5603] <... symlink resumed>) = 0 [pid 5032] unlink("./44/cgroup" [pid 5030] rmdir("./41" [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5605] <... symlink resumed>) = 0 [pid 5604] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5032] <... unlink resumed>) = 0 [pid 5030] <... rmdir resumed>) = 0 [pid 5603] <... openat resumed>) = 3 [pid 5032] getdents64(3, [pid 5030] mkdir("./42", 0777 [pid 5603] write(3, "1000", 4 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] <... mkdir resumed>) = 0 [pid 5603] <... write resumed>) = 4 [pid 5032] close(3 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5607 attached ./strace-static-x86_64: Process 5606 attached [pid 5605] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5604] <... symlink resumed>) = 0 [pid 5603] close(3 [pid 5032] <... close resumed>) = 0 [pid 5607] set_robust_list(0x55555580e6e0, 24 [pid 5606] set_robust_list(0x55555580e6e0, 24 [pid 5603] <... close resumed>) = 0 [pid 5032] rmdir("./44" [pid 5607] <... set_robust_list resumed>) = 0 [pid 5606] <... set_robust_list resumed>) = 0 [pid 5605] <... symlink resumed>) = 0 [pid 5604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5603] read(200, [pid 5032] <... rmdir resumed>) = 0 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 86 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 84 [pid 5607] chdir("./42" [pid 5606] chdir("./41" [pid 5605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5603] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5032] mkdir("./45", 0777 [pid 5607] <... chdir resumed>) = 0 [pid 5606] <... chdir resumed>) = 0 [pid 5605] <... openat resumed>) = 3 [pid 5604] <... openat resumed>) = 3 [pid 5603] symlink("/dev/binderfs", "./binderfs" [pid 5032] <... mkdir resumed>) = 0 [pid 5607] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5606] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5605] write(3, "1000", 4 [pid 5604] write(3, "1000", 4 [pid 5603] <... symlink resumed>) = 0 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5607] <... prctl resumed>) = 0 [pid 5606] <... prctl resumed>) = 0 [pid 5605] <... write resumed>) = 4 [pid 5604] <... write resumed>) = 4 [pid 5603] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] setpgid(0, 0 [pid 5606] setpgid(0, 0 [pid 5605] close(3 [pid 5604] close(3 [pid 5605] <... close resumed>) = 0 [pid 5604] <... close resumed>) = 0 [pid 5603] <... futex resumed>) = 0 [pid 5607] <... setpgid resumed>) = 0 [pid 5606] <... setpgid resumed>) = 0 [pid 5605] read(200, [pid 5604] read(200, [pid 5603] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5607] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5606] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5605] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5604] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5603] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5607] <... symlink resumed>) = 0 [pid 5606] <... symlink resumed>) = 0 [pid 5605] symlink("/dev/binderfs", "./binderfs" [pid 5604] symlink("/dev/binderfs", "./binderfs" [pid 5603] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5608 attached [pid 5607] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5606] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5605] <... symlink resumed>) = 0 [pid 5604] <... symlink resumed>) = 0 [pid 5603] <... mprotect resumed>) = 0 [pid 5607] <... symlink resumed>) = 0 [pid 5606] <... symlink resumed>) = 0 [pid 5605] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5604] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 92 [pid 5608] set_robust_list(0x55555580e6e0, 24 [pid 5607] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5606] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5605] <... futex resumed>) = 0 [pid 5604] <... futex resumed>) = 0 [pid 5603] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5607] <... symlink resumed>) = 0 [pid 5606] <... symlink resumed>) = 0 [pid 5605] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5609 attached [pid 5608] <... set_robust_list resumed>) = 0 [pid 5607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5605] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5609] set_robust_list(0x7f4e92bc39e0, 24 [pid 5608] chdir("./45" [pid 5607] <... openat resumed>) = 3 [pid 5606] <... openat resumed>) = 3 [pid 5605] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5604] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5603] <... clone resumed>, parent_tid=[95], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 95 [pid 5609] <... set_robust_list resumed>) = 0 [pid 5608] <... chdir resumed>) = 0 [pid 5607] write(3, "1000", 4 [pid 5606] write(3, "1000", 4 [pid 5605] <... mprotect resumed>) = 0 [pid 5604] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5603] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5608] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5607] <... write resumed>) = 4 [pid 5606] <... write resumed>) = 4 [pid 5605] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5603] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5610 attached [pid 5609] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5608] <... prctl resumed>) = 0 [pid 5607] close(3 [pid 5606] close(3 [pid 5604] <... mprotect resumed>) = 0 [pid 5603] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5610] set_robust_list(0x7f4e92bc39e0, 24 [pid 5608] setpgid(0, 0 [pid 5609] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] <... close resumed>) = 0 [pid 5606] <... close resumed>) = 0 [pid 5605] <... clone resumed>, parent_tid=[91], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 91 [pid 5604] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5611 attached [pid 5610] <... set_robust_list resumed>) = 0 [pid 5609] <... futex resumed>) = 1 [pid 5608] <... setpgid resumed>) = 0 [pid 5607] read(200, [pid 5606] read(200, [pid 5605] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... futex resumed>) = 0 [pid 5611] set_robust_list(0x7f4e92bc39e0, 24 [pid 5610] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5608] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5607] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5606] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5605] <... futex resumed>) = 0 [pid 5611] <... set_robust_list resumed>) = 0 [pid 5610] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5609] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5608] <... symlink resumed>) = 0 [pid 5607] symlink("/dev/binderfs", "./binderfs" [pid 5606] symlink("/dev/binderfs", "./binderfs" [pid 5605] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5604] <... clone resumed>, parent_tid=[87], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 87 [pid 5603] close(3 [pid 5611] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5610] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5607] <... symlink resumed>) = 0 [pid 5606] <... symlink resumed>) = 0 [pid 5605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5604] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5610] <... futex resumed>) = 0 [pid 5608] <... symlink resumed>) = 0 [pid 5607] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] close(3 [pid 5604] <... futex resumed>) = 0 [pid 5603] close(4 [pid 5611] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5610] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5608] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5607] <... futex resumed>) = 0 [pid 5606] <... futex resumed>) = 0 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5611] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5608] <... symlink resumed>) = 0 [pid 5607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5605] close(4 [pid 5603] close(5 [pid 5611] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5607] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5606] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5611] <... futex resumed>) = 1 [pid 5608] <... openat resumed>) = 3 [pid 5607] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5606] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5605] close(5 [pid 5604] <... futex resumed>) = 0 [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5611] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5608] write(3, "1000", 4 [pid 5607] <... mprotect resumed>) = 0 [pid 5606] <... mprotect resumed>) = 0 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(3 [pid 5603] close(6 [pid 5608] <... write resumed>) = 4 [pid 5607] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5606] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5605] close(6 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5613 attached ./strace-static-x86_64: Process 5612 attached [pid 5608] close(3 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(4 [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] set_robust_list(0x7f4e92bc39e0, 24 [pid 5608] <... close resumed>) = 0 [pid 5607] <... clone resumed>, parent_tid=[87], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 87 [pid 5606] <... clone resumed>, parent_tid=[85], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 85 [pid 5605] close(7 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5613] set_robust_list(0x7f4e92bc39e0, 24 [pid 5612] <... set_robust_list resumed>) = 0 [pid 5608] read(200, [pid 5607] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(5 [pid 5603] close(7 [pid 5613] <... set_robust_list resumed>) = 0 [pid 5612] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5608] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5607] <... futex resumed>) = 0 [pid 5606] <... futex resumed>) = 0 [pid 5605] close(8 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5613] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5612] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5608] symlink("/dev/binderfs", "./binderfs" [pid 5607] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5606] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(6 [pid 5603] close(8 [pid 5613] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5612] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... symlink resumed>) = 0 [pid 5607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5605] close(9 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5613] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5612] <... futex resumed>) = 0 [pid 5608] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] close(3 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(7 [pid 5613] <... futex resumed>) = 1 [pid 5612] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5608] <... futex resumed>) = 0 [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] <... futex resumed>) = 0 [pid 5605] close(10 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] close(9 [pid 5613] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5608] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5607] close(4 [pid 5606] close(3 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(8 [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] close(11 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5607] close(5 [pid 5606] close(4 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(9 [pid 5603] close(10 [pid 5608] <... mprotect resumed>) = 0 [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] close(12 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5607] close(6 [pid 5606] close(5 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(10./strace-static-x86_64: Process 5614 attached [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] close(13 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] close(11 [pid 5614] set_robust_list(0x7f4e92bc39e0, 24 [pid 5608] <... clone resumed>, parent_tid=[93], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 93 [pid 5607] close(7 [pid 5606] close(6 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(11 [pid 5614] <... set_robust_list resumed>) = 0 [pid 5608] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] close(14 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5614] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5608] <... futex resumed>) = 0 [pid 5607] close(8 [pid 5606] close(7 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(12 [pid 5614] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5608] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] close(15 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] close(12 [pid 5614] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5607] close(9 [pid 5606] close(8 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(13 [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5614] <... futex resumed>) = 0 [pid 5608] close(3 [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] close(16 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] close(13 [pid 5614] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] close(10 [pid 5606] close(9 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(14 [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] close(4 [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] close(17 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] close(14 [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] close(11 [pid 5606] close(10 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(15 [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] close(5 [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] close(18 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] close(15 [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] close(12 [pid 5606] close(11 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(16 [pid 5608] close(6 [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] close(19 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] close(13 [pid 5606] close(12 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(17 [pid 5608] close(7 [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] close(20 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] close(16 [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] close(14 [pid 5606] close(13 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(18 [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] close(8 [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] close(21 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] close(15 [pid 5606] close(14 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(19 [pid 5603] close(17 [pid 5608] close(9 [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] close(22 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] close(16 [pid 5606] close(15 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(20 [pid 5603] close(18 [pid 5608] close(10 [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] close(23 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] close(17 [pid 5606] close(16 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(21 [pid 5608] close(11 [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] close(24 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] close(19 [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] close(18 [pid 5606] close(17 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(22 [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] close(12 [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] close(25 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] close(20 [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] close(19 [pid 5606] close(18 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(23 [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] close(13 [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] close(26 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] close(21 [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] close(20 [pid 5606] close(19 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(24 [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] close(14 [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] close(27 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] close(21 [pid 5606] close(20 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(25 [pid 5603] close(22 [pid 5608] close(15 [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] close(28 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] close(22 [pid 5606] close(21 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(26 [pid 5603] close(23 [pid 5608] close(16 [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] close(24 [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] close(17 [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] close(29 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] close(23 [pid 5606] close(22 [pid 5605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] close(27 [pid 5603] close(25 [pid 5608] close(18 [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] close(24 [pid 5606] close(23 [pid 5605] <... write resumed>) = 335 [pid 5604] close(28 [pid 5603] close(26 [pid 5608] close(19 [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] close(25 [pid 5606] close(24 [pid 5605] exit_group(0 [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] close(27 [pid 5610] <... futex resumed>) = ? [pid 5608] close(20 [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5605] <... exit_group resumed>) = ? [pid 5604] close(29 [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5610] +++ exited with 0 +++ [pid 5606] close(25 [pid 5603] close(28) = -1 EBADF (Bad file descriptor) [pid 5603] close(29) = -1 EBADF (Bad file descriptor) [pid 5603] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] close(26 [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] <... write resumed>) = 335 [pid 5608] close(21 [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] close(26 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5604] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5603] exit_group(0 [pid 5609] <... futex resumed>) = ? [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] close(27 [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] <... exit_group resumed>) = ? [pid 5609] +++ exited with 0 +++ [pid 5608] close(22 [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] close(27 [pid 5605] +++ exited with 0 +++ [pid 5604] <... write resumed>) = 335 [pid 5603] +++ exited with 0 +++ [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] close(28 [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] exit_group(0 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] close(28 [pid 5031] restart_syscall(<... resuming interrupted clone ...> [pid 5611] <... futex resumed>) = ? [pid 5608] close(23 [pid 5607] close(29 [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] <... exit_group resumed>) = ? [pid 5033] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... restart_syscall resumed>) = 0 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5033] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5611] +++ exited with 0 +++ [pid 5033] <... openat resumed>) = 3 [pid 5031] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5033] fstat(3, [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5608] close(24 [pid 5607] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] close(29 [pid 5033] getdents64(3, [pid 5031] <... openat resumed>) = 3 [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5607] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] +++ exited with 0 +++ [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] fstat(3, write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5608] close(25 [pid 5607] <... write resumed>) = 335 [pid 5606] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] exit_group(0 [pid 5606] <... write resumed>) = 335 [pid 5033] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] getdents64(3, [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5612] <... futex resumed>) = ? [pid 5608] close(26 [pid 5607] <... exit_group resumed>) = ? [pid 5606] exit_group(0 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5612] +++ exited with 0 +++ [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5606] <... exit_group resumed>) = ? [pid 5033] lstat("./46/binderfs", [pid 5031] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5613] <... futex resumed>) = ? [pid 5608] close(27 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./46/binderfs" [pid 5031] lstat("./44/binderfs", [pid 5608] close(28 [pid 5033] <... unlink resumed>) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./46/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] unlink("./44/binderfs" [pid 5608] close(29 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5607] +++ exited with 0 +++ [pid 5033] lstat("./46/cgroup.net", [pid 5031] umount2("./44/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5608] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5608] <... write resumed>) = 335 [pid 5033] unlink("./46/cgroup.net" [pid 5031] lstat("./44/cgroup.net", [pid 5608] exit_group(0 [pid 5033] <... unlink resumed>) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... openat resumed>) = 3 [pid 5614] <... futex resumed>) = ? [pid 5613] +++ exited with 0 +++ [pid 5608] <... exit_group resumed>) = ? [pid 5606] +++ exited with 0 +++ [pid 5033] umount2("./46/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] unlink("./44/cgroup.net" [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5029] fstat(3, [pid 5614] +++ exited with 0 +++ [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... unlink resumed>) = 0 [pid 5030] restart_syscall(<... resuming interrupted clone ...> [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5608] +++ exited with 0 +++ [pid 5033] lstat("./46/cgroup.cpu", [pid 5031] umount2("./44/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... restart_syscall resumed>) = 0 [pid 5029] getdents64(3, [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5033] unlink("./46/cgroup.cpu" [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=92, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5031] lstat("./44/cgroup.cpu", [pid 5029] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5033] <... unlink resumed>) = 0 [pid 5032] restart_syscall(<... resuming interrupted clone ...> [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5033] umount2("./46/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... restart_syscall resumed>) = 0 [pid 5031] unlink("./44/cgroup.cpu" [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./42/binderfs", [pid 5028] <... openat resumed>) = 3 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... unlink resumed>) = 0 [pid 5030] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] fstat(3, [pid 5033] lstat("./46/cgroup", [pid 5031] umount2("./44/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... openat resumed>) = 3 [pid 5029] unlink("./42/binderfs" [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] fstat(3, [pid 5029] <... unlink resumed>) = 0 [pid 5028] getdents64(3, [pid 5033] unlink("./46/cgroup" [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] lstat("./44/cgroup", [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] umount2("./42/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5033] <... unlink resumed>) = 0 [pid 5032] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] getdents64(3, [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5033] getdents64(3, [pid 5032] <... openat resumed>) = 3 [pid 5031] unlink("./44/cgroup" [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] lstat("./42/cgroup.net", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] fstat(3, [pid 5031] <... unlink resumed>) = 0 [pid 5030] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] lstat("./41/binderfs", [pid 5033] close(3 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] getdents64(3, [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./42/cgroup.net" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5033] <... close resumed>) = 0 [pid 5032] getdents64(3, [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] lstat("./42/binderfs", [pid 5029] <... unlink resumed>) = 0 [pid 5028] unlink("./41/binderfs" [pid 5033] rmdir("./46" [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] close(3 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] umount2("./42/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 [pid 5033] <... rmdir resumed>) = 0 [pid 5032] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... close resumed>) = 0 [pid 5030] unlink("./42/binderfs" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./41/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5033] mkdir("./47", 0777 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] rmdir("./44" [pid 5030] <... unlink resumed>) = 0 [pid 5029] lstat("./42/cgroup.cpu", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5033] <... mkdir resumed>) = 0 [pid 5032] lstat("./45/binderfs", [pid 5031] <... rmdir resumed>) = 0 [pid 5030] umount2("./42/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] lstat("./41/cgroup.net", [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] mkdir("./45", 0777 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./42/cgroup.cpu" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5615 attached [pid 5032] unlink("./45/binderfs" [pid 5031] <... mkdir resumed>) = 0 [pid 5030] lstat("./42/cgroup.net", [pid 5029] <... unlink resumed>) = 0 [pid 5028] unlink("./41/cgroup.net" [pid 5615] set_robust_list(0x55555580e6e0, 24 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 96 [pid 5032] <... unlink resumed>) = 0 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] umount2("./42/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5616 attached [pid 5615] <... set_robust_list resumed>) = 0 [pid 5032] umount2("./45/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] unlink("./42/cgroup.net" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./41/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5616] set_robust_list(0x55555580e6e0, 24 [pid 5615] chdir("./47" [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 92 [pid 5030] <... unlink resumed>) = 0 [pid 5029] lstat("./42/cgroup", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5616] <... set_robust_list resumed>) = 0 [pid 5615] <... chdir resumed>) = 0 [pid 5032] lstat("./45/cgroup.net", [pid 5030] umount2("./42/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] lstat("./41/cgroup.cpu", [pid 5616] chdir("./45" [pid 5615] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./42/cgroup" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5616] <... chdir resumed>) = 0 [pid 5615] <... prctl resumed>) = 0 [pid 5032] unlink("./45/cgroup.net" [pid 5030] lstat("./42/cgroup.cpu", [pid 5029] <... unlink resumed>) = 0 [pid 5028] unlink("./41/cgroup.cpu" [pid 5616] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5615] setpgid(0, 0 [pid 5032] <... unlink resumed>) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] getdents64(3, [pid 5028] <... unlink resumed>) = 0 [pid 5615] <... setpgid resumed>) = 0 [pid 5032] umount2("./45/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] unlink("./42/cgroup.cpu" [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] umount2("./41/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5616] <... prctl resumed>) = 0 [pid 5615] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... unlink resumed>) = 0 [pid 5029] close(3 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5616] setpgid(0, 0 [pid 5615] <... symlink resumed>) = 0 [pid 5616] <... setpgid resumed>) = 0 [pid 5616] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5032] lstat("./45/cgroup.cpu", [pid 5030] umount2("./42/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... close resumed>) = 0 [pid 5028] lstat("./41/cgroup", [pid 5616] <... symlink resumed>) = 0 [pid 5615] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5616] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5616] <... symlink resumed>) = 0 [pid 5615] <... symlink resumed>) = 0 [pid 5029] rmdir("./42" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5616] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5030] lstat("./42/cgroup", [pid 5616] <... symlink resumed>) = 0 [pid 5615] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5032] unlink("./45/cgroup.cpu" [pid 5029] <... rmdir resumed>) = 0 [pid 5028] unlink("./41/cgroup" [pid 5616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5616] <... openat resumed>) = 3 [pid 5615] <... symlink resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5029] mkdir("./43", 0777 [pid 5028] <... unlink resumed>) = 0 [pid 5616] write(3, "1000", 4 [pid 5615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5032] umount2("./45/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] unlink("./42/cgroup" [pid 5616] <... write resumed>) = 4 [pid 5616] close(3 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... mkdir resumed>) = 0 [pid 5028] getdents64(3, [pid 5616] <... close resumed>) = 0 [pid 5615] <... openat resumed>) = 3 [pid 5032] lstat("./45/cgroup", [pid 5030] <... unlink resumed>) = 0 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5616] read(200, [pid 5615] write(3, "1000", 4 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5616] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5030] getdents64(3, [pid 5616] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5616] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5616] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4e92ba3000 [pid 5615] <... write resumed>) = 4 [pid 5032] unlink("./45/cgroup" [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] close(3 [pid 5616] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5615] close(3./strace-static-x86_64: Process 5617 attached [pid 5616] <... mprotect resumed>) = 0 [pid 5615] <... close resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5030] close(3 [pid 5028] <... close resumed>) = 0 [pid 5617] set_robust_list(0x55555580e6e0, 24 [pid 5616] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5615] read(200, [pid 5032] getdents64(3, [pid 5030] <... close resumed>) = 0 [pid 5028] rmdir("./41"./strace-static-x86_64: Process 5618 attached [pid 5617] <... set_robust_list resumed>) = 0 [pid 5615] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 88 [pid 5618] set_robust_list(0x7f4e92bc39e0, 24 [pid 5617] chdir("./43" [pid 5616] <... clone resumed>, parent_tid=[93], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 93 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] rmdir("./42" [pid 5028] <... rmdir resumed>) = 0 [pid 5618] <... set_robust_list resumed>) = 0 [pid 5617] <... chdir resumed>) = 0 [pid 5616] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5617] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5616] <... futex resumed>) = 0 [pid 5618] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5617] <... prctl resumed>) = 0 [pid 5616] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5030] <... rmdir resumed>) = 0 [pid 5618] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] setpgid(0, 0 [pid 5616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5615] symlink("/dev/binderfs", "./binderfs" [pid 5032] close(3 [pid 5028] mkdir("./42", 0777 [pid 5618] <... futex resumed>) = 0 [pid 5617] <... setpgid resumed>) = 0 [pid 5616] close(3 [pid 5618] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5615] <... symlink resumed>) = 0 [pid 5032] <... close resumed>) = 0 [pid 5030] mkdir("./43", 0777 [pid 5028] <... mkdir resumed>) = 0 [pid 5617] <... symlink resumed>) = 0 [pid 5616] close(4 [pid 5615] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] rmdir("./45" [pid 5617] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5617] <... symlink resumed>) = 0 [pid 5616] close(5 [pid 5615] <... futex resumed>) = 0 [pid 5032] <... rmdir resumed>) = 0 [pid 5030] <... mkdir resumed>) = 0 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5617] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5617] <... symlink resumed>) = 0 [pid 5616] close(6 [pid 5615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5032] mkdir("./46", 0777 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5617] <... openat resumed>) = 3 [pid 5616] close(7 [pid 5032] <... mkdir resumed>) = 0 [pid 5617] write(3, "1000", 4 [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5617] <... write resumed>) = 4 [pid 5616] close(8./strace-static-x86_64: Process 5619 attached [pid 5617] close(3 [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5615] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5620 attached [pid 5619] set_robust_list(0x55555580e6e0, 24 [pid 5617] <... close resumed>) = 0 [pid 5616] close(9 [pid 5615] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5620] set_robust_list(0x55555580e6e0, 24 [pid 5619] <... set_robust_list resumed>) = 0 [pid 5617] read(200, [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5621 attached [pid 5620] <... set_robust_list resumed>) = 0 [pid 5619] chdir("./43" [pid 5617] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5616] close(10 [pid 5615] <... mprotect resumed>) = 0 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 88 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 86 [pid 5621] set_robust_list(0x55555580e6e0, 24 [pid 5620] chdir("./42" [pid 5619] <... chdir resumed>) = 0 [pid 5617] symlink("/dev/binderfs", "./binderfs" [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5615] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5621] <... set_robust_list resumed>) = 0 [pid 5620] <... chdir resumed>) = 0 [pid 5619] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5617] <... symlink resumed>) = 0 [pid 5616] close(11 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 94 ./strace-static-x86_64: Process 5622 attached [pid 5621] chdir("./46" [pid 5620] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5619] <... prctl resumed>) = 0 [pid 5617] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] set_robust_list(0x7f4e92bc39e0, 24 [pid 5621] <... chdir resumed>) = 0 [pid 5620] <... prctl resumed>) = 0 [pid 5619] setpgid(0, 0 [pid 5617] <... futex resumed>) = 0 [pid 5616] close(12 [pid 5615] <... clone resumed>, parent_tid=[97], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 97 [pid 5622] <... set_robust_list resumed>) = 0 [pid 5621] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5620] setpgid(0, 0 [pid 5619] <... setpgid resumed>) = 0 [pid 5617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5615] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5621] <... prctl resumed>) = 0 [pid 5620] <... setpgid resumed>) = 0 [pid 5619] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5617] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5616] close(13 [pid 5615] <... futex resumed>) = 0 [pid 5622] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5621] setpgid(0, 0 [pid 5620] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5619] <... symlink resumed>) = 0 [pid 5617] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] <... setpgid resumed>) = 0 [pid 5620] <... symlink resumed>) = 0 [pid 5619] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5617] <... mprotect resumed>) = 0 [pid 5616] close(14 [pid 5615] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] <... futex resumed>) = 0 [pid 5621] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5620] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5619] <... symlink resumed>) = 0 [pid 5617] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5623 attached [pid 5622] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5621] <... symlink resumed>) = 0 [pid 5620] <... symlink resumed>) = 0 [pid 5619] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5616] close(15 [pid 5615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5623] set_robust_list(0x7f4e92bc39e0, 24 [pid 5621] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5620] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5619] <... symlink resumed>) = 0 [pid 5617] <... clone resumed>, parent_tid=[89], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 89 [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5615] close(3 [pid 5623] <... set_robust_list resumed>) = 0 [pid 5621] <... symlink resumed>) = 0 [pid 5620] <... symlink resumed>) = 0 [pid 5619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5617] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5616] close(16 [pid 5615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5621] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5619] <... openat resumed>) = 3 [pid 5617] <... futex resumed>) = 0 [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5615] close(4 [pid 5623] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5621] <... symlink resumed>) = 0 [pid 5620] <... openat resumed>) = 3 [pid 5619] write(3, "1000", 4 [pid 5617] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5616] close(17 [pid 5615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5620] write(3, "1000", 4 [pid 5619] <... write resumed>) = 4 [pid 5617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] <... futex resumed>) = 0 [pid 5621] <... openat resumed>) = 3 [pid 5620] <... write resumed>) = 4 [pid 5619] close(3 [pid 5617] close(3 [pid 5616] close(18 [pid 5615] close(5 [pid 5623] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5621] write(3, "1000", 4 [pid 5620] close(3 [pid 5619] <... close resumed>) = 0 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5621] <... write resumed>) = 4 [pid 5620] <... close resumed>) = 0 [pid 5619] read(200, [pid 5617] close(4 [pid 5616] close(19 [pid 5615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5621] close(3 [pid 5620] read(200, [pid 5619] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5615] close(6 [pid 5621] <... close resumed>) = 0 [pid 5620] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5619] symlink("/dev/binderfs", "./binderfs" [pid 5617] close(5 [pid 5616] close(20 [pid 5621] read(200, [pid 5620] symlink("/dev/binderfs", "./binderfs" [pid 5619] <... symlink resumed>) = 0 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5621] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5620] <... symlink resumed>) = 0 [pid 5619] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] close(6 [pid 5616] close(21 [pid 5621] symlink("/dev/binderfs", "./binderfs" [pid 5620] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5619] <... futex resumed>) = 0 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5615] close(7 [pid 5621] <... symlink resumed>) = 0 [pid 5620] <... futex resumed>) = 0 [pid 5619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5617] close(7 [pid 5616] close(22 [pid 5615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5621] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5619] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5615] close(8 [pid 5621] <... futex resumed>) = 0 [pid 5620] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5619] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5617] close(8 [pid 5616] close(23 [pid 5615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5620] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5619] <... mprotect resumed>) = 0 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5615] close(9 [pid 5621] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5620] <... mprotect resumed>) = 0 [pid 5616] close(24 [pid 5615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5621] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5620] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5619] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5617] close(9 [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5615] close(10./strace-static-x86_64: Process 5625 attached ./strace-static-x86_64: Process 5624 attached [pid 5621] <... mprotect resumed>) = 0 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5616] close(25 [pid 5615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] set_robust_list(0x7f4e92bc39e0, 24 [pid 5624] set_robust_list(0x7f4e92bc39e0, 24 [pid 5621] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5620] <... clone resumed>, parent_tid=[87], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 87 [pid 5619] <... clone resumed>, parent_tid=[89], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 89 [pid 5615] close(11./strace-static-x86_64: Process 5626 attached [pid 5625] <... set_robust_list resumed>) = 0 [pid 5624] <... set_robust_list resumed>) = 0 [pid 5617] close(10 [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5620] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5619] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] set_robust_list(0x7f4e92bc39e0, 24 [pid 5625] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5624] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5621] <... clone resumed>, parent_tid=[95], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 95 [pid 5620] <... futex resumed>) = 0 [pid 5619] <... futex resumed>) = 0 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5616] close(26 [pid 5615] close(12 [pid 5626] <... set_robust_list resumed>) = 0 [pid 5625] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5624] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5621] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5620] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5619] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5617] close(11 [pid 5626] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5625] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] <... futex resumed>) = 0 [pid 5620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5615] close(13 [pid 5626] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5625] <... futex resumed>) = 0 [pid 5624] <... futex resumed>) = 1 [pid 5621] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5620] close(3 [pid 5619] <... futex resumed>) = 0 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5616] close(27 [pid 5615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5624] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5619] close(3 [pid 5617] close(12 [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5615] close(14 [pid 5626] <... futex resumed>) = 0 [pid 5621] close(3 [pid 5620] close(4 [pid 5615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5615] close(15) = -1 EBADF (Bad file descriptor) [pid 5615] close(16) = -1 EBADF (Bad file descriptor) [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5616] close(28 [pid 5615] close(17) = -1 EBADF (Bad file descriptor) [pid 5615] close(18) = -1 EBADF (Bad file descriptor) [pid 5615] close(19) = -1 EBADF (Bad file descriptor) [pid 5615] close(20 [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5621] close(4 [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5619] close(4 [pid 5617] close(13 [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5620] close(5 [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5616] close(29 [pid 5615] close(21write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5621] close(5 [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5619] close(5 [pid 5617] close(14 [pid 5616] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5615] close(22) = -1 EBADF (Bad file descriptor) [pid 5616] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5615] close(23) = -1 EBADF (Bad file descriptor) [pid 5615] close(24) = -1 EBADF (Bad file descriptor) [pid 5615] close(25) = -1 EBADF (Bad file descriptor) [pid 5615] close(26) = -1 EBADF (Bad file descriptor) [pid 5615] close(27) = -1 EBADF (Bad file descriptor) [pid 5615] close(28) = -1 EBADF (Bad file descriptor) [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5620] close(6 [pid 5615] close(29 [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5621] close(6 [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5616] <... write resumed>) = 335 [pid 5615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5615] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5619] close(6 [pid 5615] <... write resumed>) = 335 [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5620] close(7 [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5617] close(15 [pid 5616] exit_group(0 [pid 5615] exit_group(0 [pid 5622] <... futex resumed>) = ? [pid 5621] close(7 [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5619] close(7 [pid 5618] <... futex resumed>) = ? [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5616] <... exit_group resumed>) = ? [pid 5615] <... exit_group resumed>) = ? [pid 5622] +++ exited with 0 +++ [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5620] close(8 [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5618] +++ exited with 0 +++ [pid 5617] close(16 [pid 5615] +++ exited with 0 +++ [pid 5616] +++ exited with 0 +++ [pid 5621] close(8 [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5619] close(8 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=96, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=92, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5620] close(9 [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5617] close(17 [pid 5621] close(9 [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5619] close(9 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5620] close(10 [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5617] close(18 [pid 5621] close(10 [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5619] close(10 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5620] close(11 [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5617] close(19 [pid 5621] close(11 [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5619] close(11 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5620] close(12 [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5617] close(20 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5621] close(12 [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5619] close(12 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5620] close(13 [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5617] close(21 [pid 5033] <... openat resumed>) = 3 [pid 5031] <... openat resumed>) = 3 [pid 5621] close(13 [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5619] close(13 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 5031] fstat(3, [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5620] close(14 [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5617] close(22 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5621] close(14 [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5619] close(14 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5031] getdents64(3, [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5620] close(15 [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5617] close(23 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5621] close(15 [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5619] close(15 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5620] close(16 [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5617] close(24 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5621] close(16 [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5619] close(16 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./47/binderfs", [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5620] close(17 [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5617] close(25 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] lstat("./45/binderfs", [pid 5621] close(17 [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5619] close(17 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./47/binderfs" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5620] close(18 [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5617] close(26 [pid 5621] close(18 [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5619] close(18 [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5031] unlink("./45/binderfs" [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5620] close(19 [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5617] close(27 [pid 5621] close(19 [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5619] close(19 [pid 5033] umount2("./47/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... unlink resumed>) = 0 [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5620] close(20 [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5621] close(20 [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5619] close(20 [pid 5617] close(28 [pid 5033] lstat("./47/cgroup.net", [pid 5031] umount2("./45/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5620] close(21 [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5621] close(21 [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5619] close(21 [pid 5617] close(29 [pid 5033] unlink("./47/cgroup.net" [pid 5031] lstat("./45/cgroup.net", [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5620] close(22 [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5617] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5621] close(22 [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5619] close(22write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5617] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] umount2("./47/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] unlink("./45/cgroup.net" [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5620] close(23 [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5617] <... write resumed>) = 335 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... unlink resumed>) = 0 [pid 5621] close(23 [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5619] close(23 [pid 5617] exit_group(0 [pid 5033] lstat("./47/cgroup.cpu", [pid 5031] umount2("./45/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5620] close(24 [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5623] <... futex resumed>) = ? [pid 5621] close(24 [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5619] close(24 [pid 5617] <... exit_group resumed>) = ? [pid 5033] unlink("./47/cgroup.cpu" [pid 5031] lstat("./45/cgroup.cpu", [pid 5623] +++ exited with 0 +++ [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5620] close(25 [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5621] close(25 [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./45/cgroup.cpu" [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5620] close(26 [pid 5619] close(25 [pid 5033] umount2("./47/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... unlink resumed>) = 0 [pid 5621] close(26 [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./45/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5620] close(27 [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5621] close(27 [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5619] close(26 [pid 5617] +++ exited with 0 +++ [pid 5033] lstat("./47/cgroup", [pid 5031] lstat("./45/cgroup", [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5620] close(28 [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5621] close(28 [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5619] close(27 [pid 5033] unlink("./47/cgroup" [pid 5031] unlink("./45/cgroup" [pid 5029] restart_syscall(<... resuming interrupted clone ...> [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5620] close(29 [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... restart_syscall resumed>) = 0 [pid 5621] close(29 [pid 5620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5619] close(28 [pid 5033] getdents64(3, [pid 5031] getdents64(3, [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5620] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5621] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5620] <... write resumed>) = 335 [pid 5619] close(29 [pid 5033] close(3 [pid 5031] close(3 [pid 5029] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5621] <... write resumed>) = 335 [pid 5620] exit_group(0 [pid 5031] <... close resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5625] <... futex resumed>) = ? [pid 5621] exit_group(0 [pid 5620] <... exit_group resumed>) = ? [pid 5619] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = 0 [pid 5031] rmdir("./45" [pid 5029] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5626] <... futex resumed>) = ? [pid 5625] +++ exited with 0 +++ [pid 5621] <... exit_group resumed>) = ? write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5620] +++ exited with 0 +++ [pid 5619] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] rmdir("./47" [pid 5031] <... rmdir resumed>) = 0 [pid 5029] <... openat resumed>) = 3 [pid 5626] +++ exited with 0 +++ [pid 5621] +++ exited with 0 +++ [pid 5619] <... write resumed>) = 335 [pid 5033] <... rmdir resumed>) = 0 [pid 5031] mkdir("./46", 0777 [pid 5029] fstat(3, [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5619] exit_group(0 [pid 5033] mkdir("./48", 0777 [pid 5031] <... mkdir resumed>) = 0 [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5624] <... futex resumed>) = ? [pid 5619] <... exit_group resumed>) = ? [pid 5033] <... mkdir resumed>) = 0 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] getdents64(3, ./strace-static-x86_64: Process 5627 attached [pid 5624] +++ exited with 0 +++ [pid 5619] +++ exited with 0 +++ [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5032] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 5628 attached [pid 5627] set_robust_list(0x55555580e6e0, 24 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 94 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5029] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5628] set_robust_list(0x55555580e6e0, 24 [pid 5627] <... set_robust_list resumed>) = 0 [pid 5032] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] restart_syscall(<... resuming interrupted clone ...> [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5628] <... set_robust_list resumed>) = 0 [pid 5627] chdir("./46" [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 98 [pid 5032] <... openat resumed>) = 3 [pid 5030] <... restart_syscall resumed>) = 0 [pid 5029] lstat("./43/binderfs", [pid 5028] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5628] chdir("./48" [pid 5627] <... chdir resumed>) = 0 [pid 5032] fstat(3, [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5628] <... chdir resumed>) = 0 [pid 5627] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] unlink("./43/binderfs" [pid 5028] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5628] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5627] <... prctl resumed>) = 0 [pid 5032] getdents64(3, [pid 5030] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... openat resumed>) = 3 [pid 5628] <... prctl resumed>) = 0 [pid 5627] setpgid(0, 0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./43/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] fstat(3, [pid 5628] setpgid(0, 0 [pid 5627] <... setpgid resumed>) = 0 [pid 5032] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5628] <... setpgid resumed>) = 0 [pid 5627] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... openat resumed>) = 3 [pid 5029] lstat("./43/cgroup.net", [pid 5028] getdents64(3, [pid 5628] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5627] <... symlink resumed>) = 0 [pid 5032] lstat("./46/binderfs", [pid 5030] fstat(3, [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5628] <... symlink resumed>) = 0 [pid 5627] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] unlink("./43/cgroup.net" [pid 5028] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5628] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5627] <... symlink resumed>) = 0 [pid 5032] unlink("./46/binderfs" [pid 5030] getdents64(3, [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5628] <... symlink resumed>) = 0 [pid 5627] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5032] <... unlink resumed>) = 0 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] umount2("./43/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] lstat("./42/binderfs", [pid 5628] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5627] <... symlink resumed>) = 0 [pid 5032] umount2("./46/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5628] <... symlink resumed>) = 0 [pid 5627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./43/cgroup.cpu", [pid 5028] unlink("./42/binderfs" [pid 5628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5627] <... openat resumed>) = 3 [pid 5032] lstat("./46/cgroup.net", [pid 5030] lstat("./43/binderfs", [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5628] <... openat resumed>) = 3 [pid 5627] write(3, "1000", 4 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] unlink("./43/cgroup.cpu" [pid 5028] umount2("./42/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5628] write(3, "1000", 4 [pid 5627] <... write resumed>) = 4 [pid 5032] unlink("./46/cgroup.net" [pid 5030] unlink("./43/binderfs" [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5628] <... write resumed>) = 4 [pid 5627] close(3 [pid 5032] <... unlink resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5029] umount2("./43/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] lstat("./42/cgroup.net", [pid 5628] close(3 [pid 5627] <... close resumed>) = 0 [pid 5032] umount2("./46/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] umount2("./43/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5628] <... close resumed>) = 0 [pid 5627] read(200, [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./43/cgroup", [pid 5028] unlink("./42/cgroup.net" [pid 5628] read(200, [pid 5627] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5032] lstat("./46/cgroup.cpu", [pid 5030] lstat("./43/cgroup.net", [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5628] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5627] symlink("/dev/binderfs", "./binderfs" [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] unlink("./43/cgroup" [pid 5028] <... unlink resumed>) = 0 [pid 5628] symlink("/dev/binderfs", "./binderfs" [pid 5627] <... symlink resumed>) = 0 [pid 5032] unlink("./46/cgroup.cpu" [pid 5030] unlink("./43/cgroup.net" [pid 5029] <... unlink resumed>) = 0 [pid 5028] umount2("./42/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5628] <... symlink resumed>) = 0 [pid 5627] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] <... unlink resumed>) = 0 [pid 5627] <... futex resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5628] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5032] umount2("./46/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... unlink resumed>) = 0 [pid 5029] getdents64(3, [pid 5028] lstat("./42/cgroup.cpu", [pid 5628] <... futex resumed>) = 0 [pid 5627] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] umount2("./43/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5628] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5627] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5032] lstat("./46/cgroup", [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] close(3 [pid 5028] unlink("./42/cgroup.cpu" [pid 5628] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5627] <... mprotect resumed>) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] lstat("./43/cgroup.cpu", [pid 5029] <... close resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5628] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5627] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5032] unlink("./46/cgroup" [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] rmdir("./43" [pid 5028] umount2("./42/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5629 attached [pid 5628] <... mprotect resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5030] unlink("./43/cgroup.cpu" [pid 5029] <... rmdir resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5629] set_robust_list(0x7f4e92bc39e0, 24 [pid 5628] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5627] <... clone resumed>, parent_tid=[95], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 95 [pid 5032] getdents64(3, [pid 5030] <... unlink resumed>) = 0 [pid 5029] mkdir("./44", 0777 [pid 5028] lstat("./42/cgroup", ./strace-static-x86_64: Process 5630 attached [pid 5629] <... set_robust_list resumed>) = 0 [pid 5627] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] umount2("./43/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... mkdir resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5630] set_robust_list(0x7f4e92bc39e0, 24 [pid 5629] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5628] <... clone resumed>, parent_tid=[99], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 99 [pid 5627] <... futex resumed>) = 0 [pid 5032] close(3 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] unlink("./42/cgroup"./strace-static-x86_64: Process 5631 attached [pid 5630] <... set_robust_list resumed>) = 0 [pid 5629] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5628] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5032] <... close resumed>) = 0 [pid 5030] lstat("./43/cgroup", [pid 5028] <... unlink resumed>) = 0 [pid 5631] set_robust_list(0x55555580e6e0, 24 [pid 5630] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5629] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] <... futex resumed>) = 0 [pid 5032] rmdir("./46" [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 90 [pid 5028] getdents64(3, [pid 5631] <... set_robust_list resumed>) = 0 [pid 5630] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5628] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5032] <... rmdir resumed>) = 0 [pid 5030] unlink("./43/cgroup" [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5631] chdir("./44" [pid 5630] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] <... futex resumed>) = 1 [pid 5628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5627] <... futex resumed>) = 0 [pid 5032] mkdir("./47", 0777 [pid 5030] <... unlink resumed>) = 0 [pid 5028] close(3 [pid 5631] <... chdir resumed>) = 0 [pid 5630] <... futex resumed>) = 0 [pid 5629] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5628] close(3 [pid 5627] close(3 [pid 5032] <... mkdir resumed>) = 0 [pid 5030] getdents64(3, [pid 5028] <... close resumed>) = 0 [pid 5631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5630] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] rmdir("./42"./strace-static-x86_64: Process 5632 attached [pid 5631] <... prctl resumed>) = 0 [pid 5628] close(4 [pid 5627] close(4 [pid 5030] close(3 [pid 5028] <... rmdir resumed>) = 0 [pid 5632] set_robust_list(0x55555580e6e0, 24 [pid 5631] setpgid(0, 0 [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 96 [pid 5030] <... close resumed>) = 0 [pid 5028] mkdir("./43", 0777 [pid 5632] <... set_robust_list resumed>) = 0 [pid 5631] <... setpgid resumed>) = 0 [pid 5628] close(5 [pid 5627] close(5 [pid 5030] rmdir("./43" [pid 5028] <... mkdir resumed>) = 0 [pid 5632] chdir("./47" [pid 5631] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... rmdir resumed>) = 0 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5632] <... chdir resumed>) = 0 [pid 5631] <... symlink resumed>) = 0 [pid 5628] close(6 [pid 5627] close(6 [pid 5030] mkdir("./44", 0777 [pid 5632] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5631] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5633 attached [pid 5632] <... prctl resumed>) = 0 [pid 5631] <... symlink resumed>) = 0 [pid 5628] close(7 [pid 5030] <... mkdir resumed>) = 0 [pid 5633] set_robust_list(0x55555580e6e0, 24 [pid 5632] setpgid(0, 0 [pid 5631] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] close(7 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 88 [pid 5633] <... set_robust_list resumed>) = 0 [pid 5632] <... setpgid resumed>) = 0 [pid 5631] <... symlink resumed>) = 0 [pid 5628] close(8 [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5634 attached [pid 5633] chdir("./43" [pid 5632] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] close(8 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 90 [pid 5634] set_robust_list(0x55555580e6e0, 24 [pid 5633] <... chdir resumed>) = 0 [pid 5632] <... symlink resumed>) = 0 [pid 5631] <... openat resumed>) = 3 [pid 5628] close(9 [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] <... set_robust_list resumed>) = 0 [pid 5633] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5632] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5631] write(3, "1000", 4 [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] close(9 [pid 5634] chdir("./44" [pid 5633] <... prctl resumed>) = 0 [pid 5632] <... symlink resumed>) = 0 [pid 5631] <... write resumed>) = 4 [pid 5628] close(10 [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] <... chdir resumed>) = 0 [pid 5633] setpgid(0, 0 [pid 5631] close(3 [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5633] <... setpgid resumed>) = 0 [pid 5631] <... close resumed>) = 0 [pid 5628] close(11 [pid 5634] <... prctl resumed>) = 0 [pid 5633] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5631] read(200, [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] setpgid(0, 0 [pid 5633] <... symlink resumed>) = 0 [pid 5631] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5628] close(12 [pid 5627] close(10 [pid 5632] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5634] <... setpgid resumed>) = 0 [pid 5633] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5631] symlink("/dev/binderfs", "./binderfs" [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5633] <... symlink resumed>) = 0 [pid 5632] <... symlink resumed>) = 0 [pid 5631] <... symlink resumed>) = 0 [pid 5628] close(13 [pid 5634] <... symlink resumed>) = 0 [pid 5633] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5631] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] close(11 [pid 5634] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5633] <... symlink resumed>) = 0 [pid 5631] <... futex resumed>) = 0 [pid 5628] close(14 [pid 5634] <... symlink resumed>) = 0 [pid 5633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5632] <... openat resumed>) = 3 [pid 5631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5633] <... openat resumed>) = 3 [pid 5632] write(3, "1000", 4 [pid 5631] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5628] close(15 [pid 5627] close(12 [pid 5634] <... symlink resumed>) = 0 [pid 5633] write(3, "1000", 4 [pid 5632] <... write resumed>) = 4 [pid 5631] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5633] <... write resumed>) = 4 [pid 5632] close(3 [pid 5631] <... mprotect resumed>) = 0 [pid 5628] close(16 [pid 5627] close(13 [pid 5634] <... openat resumed>) = 3 [pid 5633] close(3 [pid 5632] <... close resumed>) = 0 [pid 5631] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5635 attached [pid 5634] write(3, "1000", 4 [pid 5633] <... close resumed>) = 0 [pid 5632] read(200, [pid 5628] close(17 [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5635] set_robust_list(0x7f4e92bc39e0, 24 [pid 5634] <... write resumed>) = 4 [pid 5633] read(200, [pid 5632] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5631] <... clone resumed>, parent_tid=[91], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 91 [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] close(14 [pid 5635] <... set_robust_list resumed>) = 0 [pid 5634] close(3 [pid 5633] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5632] symlink("/dev/binderfs", "./binderfs" [pid 5631] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] close(18 [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5635] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5634] <... close resumed>) = 0 [pid 5633] symlink("/dev/binderfs", "./binderfs" [pid 5632] <... symlink resumed>) = 0 [pid 5631] <... futex resumed>) = 0 [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] close(15 [pid 5635] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5634] read(200, [pid 5633] <... symlink resumed>) = 0 [pid 5632] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5628] close(19 [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5635] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5633] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5635] <... futex resumed>) = 0 [pid 5634] symlink("/dev/binderfs", "./binderfs" [pid 5633] <... futex resumed>) = 0 [pid 5632] <... futex resumed>) = 0 [pid 5631] close(3 [pid 5628] close(20 [pid 5627] close(16 [pid 5635] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5634] <... symlink resumed>) = 0 [pid 5633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5632] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5631] close(4 [pid 5628] close(21 [pid 5627] close(17 [pid 5634] <... futex resumed>) = 0 [pid 5633] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5632] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5633] <... mprotect resumed>) = 0 [pid 5632] <... mprotect resumed>) = 0 [pid 5631] close(5 [pid 5628] close(22 [pid 5627] close(18 [pid 5634] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5633] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5632] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5636 attached [pid 5634] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5631] close(6 [pid 5628] close(23 [pid 5627] close(19./strace-static-x86_64: Process 5637 attached [pid 5636] set_robust_list(0x7f4e92bc39e0, 24 [pid 5634] <... mprotect resumed>) = 0 [pid 5633] <... clone resumed>, parent_tid=[89], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 89 [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5637] set_robust_list(0x7f4e92bc39e0, 24 [pid 5636] <... set_robust_list resumed>) = 0 [pid 5634] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5633] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] <... clone resumed>, parent_tid=[97], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 97 [pid 5631] close(7 [pid 5628] close(24 [pid 5627] close(20./strace-static-x86_64: Process 5638 attached [pid 5637] <... set_robust_list resumed>) = 0 [pid 5636] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5633] <... futex resumed>) = 0 [pid 5632] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5638] set_robust_list(0x7f4e92bc39e0, 24 [pid 5637] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5636] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5634] <... clone resumed>, parent_tid=[91], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 91 [pid 5633] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5632] <... futex resumed>) = 0 [pid 5631] close(8 [pid 5628] close(25 [pid 5627] close(21 [pid 5638] <... set_robust_list resumed>) = 0 [pid 5637] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5636] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5632] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5638] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5637] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] <... futex resumed>) = 0 [pid 5634] <... futex resumed>) = 0 [pid 5633] close(3 [pid 5632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5631] close(9 [pid 5628] close(26 [pid 5627] close(22 [pid 5638] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5637] <... futex resumed>) = 0 [pid 5636] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5634] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(3 [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5638] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5633] close(4 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5631] close(10 [pid 5628] close(27 [pid 5627] close(23 [pid 5638] <... futex resumed>) = 0 [pid 5634] close(3 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(4 [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5638] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(5 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5631] close(11 [pid 5628] close(28 [pid 5627] close(24 [pid 5634] close(4 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(5 [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(6 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5631] close(12 [pid 5628] close(29 [pid 5627] close(25 [pid 5634] close(5 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(6 [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5628] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(7 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5631] close(13 [pid 5628] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5627] close(26 [pid 5634] close(6 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(7 [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5628] <... write resumed>) = 335 [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(8 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5631] close(14 [pid 5628] exit_group(0 [pid 5627] close(27 [pid 5634] close(7 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(8 [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5630] <... futex resumed>) = ? [pid 5628] <... exit_group resumed>) = ? [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(9 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5631] close(15 [pid 5630] +++ exited with 0 +++ [pid 5627] close(28 [pid 5634] close(8 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(9 [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(10 [pid 5631] close(16 [pid 5627] close(29 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] close(9 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5628] +++ exited with 0 +++ [pid 5627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(11 [pid 5632] close(10write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5631] close(17 [pid 5627] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=98, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5634] close(10 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] <... write resumed>) = 335 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(12 [pid 5632] close(11 [pid 5631] close(18 [pid 5627] exit_group(0 [pid 5634] close(11 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5629] <... futex resumed>) = ? [pid 5627] <... exit_group resumed>) = ? [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(13 [pid 5631] close(19 [pid 5629] +++ exited with 0 +++ [pid 5627] +++ exited with 0 +++ [pid 5634] close(12 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(12 [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(14 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5631] close(20 [pid 5634] close(13 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(13 [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(15 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5631] close(21 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5634] close(14 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(14 [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(16 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5631] close(22 [pid 5033] <... openat resumed>) = 3 [pid 5031] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5634] close(15 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(15 [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 5031] <... openat resumed>) = 3 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(17 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5631] close(23 [pid 5031] fstat(3, [pid 5634] close(16 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(16 [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(18 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5631] close(24 [pid 5033] getdents64(3, [pid 5031] getdents64(3, [pid 5634] close(17 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(17 [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(19 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5631] close(25 [pid 5033] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5634] close(18 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(18 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(20 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./48/binderfs", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5634] close(19 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(19 [pid 5631] close(26 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] lstat("./46/binderfs", [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(21 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./48/binderfs" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5634] close(20 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(20 [pid 5631] close(27 [pid 5033] <... unlink resumed>) = 0 [pid 5031] unlink("./46/binderfs" [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(22 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./48/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOWwrite to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5031] <... unlink resumed>) = 0 [pid 5634] close(21 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(21 [pid 5631] close(28 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./46/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(23 [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./48/cgroup.net", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5634] close(22 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5631] close(29 [pid 5031] lstat("./46/cgroup.net", [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(24 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5634] close(23 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(22 [pid 5631] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] unlink("./46/cgroup.net" [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(25 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5631] <... write resumed>) = 335 [pid 5033] unlink("./48/cgroup.net" [pid 5031] <... unlink resumed>) = 0 [pid 5634] close(24 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(23 [pid 5631] exit_group(0 [pid 5033] <... unlink resumed>) = 0 [pid 5031] umount2("./46/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5635] <... futex resumed>) = ? [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(26 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5631] <... exit_group resumed>) = ? [pid 5033] umount2("./48/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5635] +++ exited with 0 +++ [pid 5634] close(25 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(24 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(27 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./48/cgroup.cpu", [pid 5031] lstat("./46/cgroup.cpu", [pid 5634] close(26 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(25 [pid 5631] +++ exited with 0 +++ [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(28 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./48/cgroup.cpu" [pid 5634] close(27 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(26 [pid 5033] <... unlink resumed>) = 0 [pid 5031] unlink("./46/cgroup.cpu" [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(29 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./48/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... unlink resumed>) = 0 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5634] close(28 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(27 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./46/cgroup", MNT_DETACH|UMOUNT_NOFOLLOWwrite to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5029] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./48/cgroup", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5634] close(29 [pid 5633] <... write resumed>) = 335 [pid 5632] close(28 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] lstat("./46/cgroup", [pid 5029] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] exit_group(0write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./48/cgroup" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] <... openat resumed>) = 3 [pid 5636] <... futex resumed>) = ? [pid 5634] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5633] <... exit_group resumed>) = ? [pid 5632] close(29 [pid 5033] <... unlink resumed>) = 0 [pid 5031] unlink("./46/cgroup" [pid 5029] fstat(3, [pid 5636] +++ exited with 0 +++ [pid 5634] <... write resumed>) = 335 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5633] +++ exited with 0 +++ [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5634] exit_group(0 [pid 5632] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] getdents64(3, [pid 5029] getdents64(3, [pid 5638] <... futex resumed>) = ? [pid 5634] <... exit_group resumed>) = ? [pid 5632] <... write resumed>) = 335 [pid 5033] close(3 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5638] +++ exited with 0 +++ [pid 5634] +++ exited with 0 +++ [pid 5632] exit_group(0 [pid 5033] <... close resumed>) = 0 [pid 5031] close(3 [pid 5029] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5637] <... futex resumed>) = ? [pid 5632] <... exit_group resumed>) = ? [pid 5033] rmdir("./48" [pid 5031] <... close resumed>) = 0 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] +++ exited with 0 +++ [pid 5033] <... rmdir resumed>) = 0 [pid 5031] rmdir("./46" [pid 5029] lstat("./44/binderfs", [pid 5028] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5033] mkdir("./49", 0777 [pid 5031] <... rmdir resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] <... openat resumed>) = 3 [pid 5632] +++ exited with 0 +++ [pid 5033] <... mkdir resumed>) = 0 [pid 5031] mkdir("./47", 0777 [pid 5030] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./44/binderfs" [pid 5028] fstat(3, [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] <... mkdir resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 ./strace-static-x86_64: Process 5639 attached [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=96, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] umount2("./44/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] getdents64(3, ./strace-static-x86_64: Process 5640 attached [pid 5639] set_robust_list(0x55555580e6e0, 24 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 100 [pid 5032] restart_syscall(<... resuming interrupted clone ...> [pid 5030] <... openat resumed>) = 3 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5640] set_robust_list(0x55555580e6e0, 24 [pid 5639] <... set_robust_list resumed>) = 0 [pid 5032] <... restart_syscall resumed>) = 0 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 96 [pid 5030] fstat(3, [pid 5029] lstat("./44/cgroup.net", [pid 5640] <... set_robust_list resumed>) = 0 [pid 5639] chdir("./49" [pid 5028] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5640] chdir("./47" [pid 5639] <... chdir resumed>) = 0 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5640] <... chdir resumed>) = 0 [pid 5639] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5639] <... prctl resumed>) = 0 [pid 5640] <... prctl resumed>) = 0 [pid 5639] setpgid(0, 0 [pid 5640] setpgid(0, 0 [pid 5639] <... setpgid resumed>) = 0 [pid 5640] <... setpgid resumed>) = 0 [pid 5639] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5032] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] getdents64(3, [pid 5029] unlink("./44/cgroup.net" [pid 5028] lstat("./43/binderfs", [pid 5640] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5639] <... symlink resumed>) = 0 [pid 5640] <... symlink resumed>) = 0 [pid 5639] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5640] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5639] <... symlink resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5640] <... symlink resumed>) = 0 [pid 5639] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5640] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5639] <... symlink resumed>) = 0 [pid 5032] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5640] <... symlink resumed>) = 0 [pid 5639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5029] umount2("./44/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./43/binderfs" [pid 5640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5639] <... openat resumed>) = 3 [pid 5032] <... openat resumed>) = 3 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] <... openat resumed>) = 3 [pid 5639] write(3, "1000", 4 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 5640] write(3, "1000", 4 [pid 5639] <... write resumed>) = 4 [pid 5032] fstat(3, [pid 5030] lstat("./44/binderfs", [pid 5640] <... write resumed>) = 4 [pid 5639] close(3 [pid 5029] lstat("./44/cgroup.cpu", [pid 5028] umount2("./43/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5640] close(3 [pid 5639] <... close resumed>) = 0 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] <... close resumed>) = 0 [pid 5639] read(200, [pid 5032] getdents64(3, [pid 5030] unlink("./44/binderfs" [pid 5029] unlink("./44/cgroup.cpu" [pid 5028] lstat("./43/cgroup.net", [pid 5640] read(200, [pid 5639] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5640] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5639] symlink("/dev/binderfs", "./binderfs" [pid 5032] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] umount2("./44/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./44/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5640] symlink("/dev/binderfs", "./binderfs" [pid 5639] <... symlink resumed>) = 0 [pid 5640] <... symlink resumed>) = 0 [pid 5639] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./43/cgroup.net" [pid 5640] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... futex resumed>) = 0 [pid 5639] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5032] lstat("./47/binderfs", [pid 5030] lstat("./44/cgroup.net", [pid 5029] lstat("./44/cgroup", [pid 5640] <... futex resumed>) = 0 [pid 5639] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5639] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5639] <... mprotect resumed>) = 0 [pid 5032] unlink("./47/binderfs" [pid 5028] umount2("./43/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5640] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5639] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5030] unlink("./44/cgroup.net" [pid 5029] unlink("./44/cgroup"./strace-static-x86_64: Process 5641 attached [pid 5640] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5032] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5641] set_robust_list(0x7f4e92bc39e0, 24 [pid 5639] <... clone resumed>, parent_tid=[101], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 101 [pid 5641] <... set_robust_list resumed>) = 0 [pid 5639] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5639] <... futex resumed>) = 0 [pid 5641] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5639] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5030] <... unlink resumed>) = 0 [pid 5028] lstat("./43/cgroup.cpu", [pid 5641] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5640] <... mprotect resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5641] <... futex resumed>) = 0 [pid 5639] close(3 [pid 5032] umount2("./47/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] umount2("./44/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5641] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5640] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] getdents64(3, [pid 5639] close(4 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./43/cgroup.cpu" [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5642 attached [pid 5639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5642] set_robust_list(0x7f4e92bc39e0, 24 [pid 5640] <... clone resumed>, parent_tid=[97], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 97 [pid 5639] close(5 [pid 5032] lstat("./47/cgroup.net", [pid 5030] lstat("./44/cgroup.cpu", [pid 5028] <... unlink resumed>) = 0 [pid 5029] close(3 [pid 5642] <... set_robust_list resumed>) = 0 [pid 5639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5642] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5639] close(6) = -1 EBADF (Bad file descriptor) [pid 5639] close(7) = -1 EBADF (Bad file descriptor) [pid 5639] close(8) = -1 EBADF (Bad file descriptor) [pid 5639] close(9 [pid 5028] umount2("./43/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5639] close(10 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... close resumed>) = 0 [pid 5028] lstat("./43/cgroup", [pid 5640] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] close(11 [pid 5032] unlink("./47/cgroup.net" [pid 5030] unlink("./44/cgroup.cpu" [pid 5029] rmdir("./44" [pid 5639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5639] close(12 [pid 5029] <... rmdir resumed>) = 0 [pid 5639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 5642] <... futex resumed>) = 0 [pid 5640] <... futex resumed>) = 1 [pid 5639] close(13 [pid 5032] umount2("./47/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] umount2("./44/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] mkdir("./45", 0777 [pid 5028] unlink("./43/cgroup" [pid 5642] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5640] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5642] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5639] close(14 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5642] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... mkdir resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5642] <... futex resumed>) = 0 [pid 5640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5639] close(15 [pid 5032] lstat("./47/cgroup.cpu", [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5642] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5639] close(16 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] lstat("./44/cgroup", [pid 5028] getdents64(3, [pid 5639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5639] close(17) = -1 EBADF (Bad file descriptor) [pid 5639] close(18) = -1 EBADF (Bad file descriptor) [pid 5639] close(19) = -1 EBADF (Bad file descriptor) [pid 5639] close(20) = -1 EBADF (Bad file descriptor) [pid 5639] close(21 [pid 5032] unlink("./47/cgroup.cpu" [pid 5639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5639] close(22 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5639] close(23) = -1 EBADF (Bad file descriptor) [pid 5639] close(24) = -1 EBADF (Bad file descriptor) [pid 5639] close(25./strace-static-x86_64: Process 5643 attached ) = -1 EBADF (Bad file descriptor) [pid 5640] close(3 [pid 5030] unlink("./44/cgroup" [pid 5028] close(3 [pid 5643] set_robust_list(0x55555580e6e0, 24 [pid 5639] close(26 [pid 5032] <... unlink resumed>) = 0 [pid 5643] <... set_robust_list resumed>) = 0 [pid 5639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 5028] <... close resumed>) = 0 [pid 5643] chdir("./45" [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5639] close(27 [pid 5032] umount2("./47/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 92 [pid 5643] <... chdir resumed>) = 0 [pid 5640] close(4 [pid 5639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] getdents64(3, [pid 5028] rmdir("./43" [pid 5643] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5639] close(28 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5643] <... prctl resumed>) = 0 [pid 5639] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5028] <... rmdir resumed>) = 0 [pid 5643] setpgid(0, 0 [pid 5640] close(5 [pid 5639] close(29 [pid 5032] lstat("./47/cgroup", [pid 5030] close(3 [pid 5643] <... setpgid resumed>) = 0 [pid 5639] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5639] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] <... close resumed>) = 0 [pid 5028] mkdir("./44", 0777 [pid 5643] <... symlink resumed>) = 0 [pid 5640] close(6 [pid 5639] <... write resumed>) = 335 [pid 5032] unlink("./47/cgroup" [pid 5030] rmdir("./44" [pid 5643] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5639] exit_group(0 [pid 5032] <... unlink resumed>) = 0 [pid 5030] <... rmdir resumed>) = 0 [pid 5028] <... mkdir resumed>) = 0 [pid 5643] <... symlink resumed>) = 0 [pid 5641] <... futex resumed>) = ? [pid 5640] close(7 [pid 5639] <... exit_group resumed>) = ? [pid 5643] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5641] +++ exited with 0 +++ [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5639] +++ exited with 0 +++ [pid 5032] getdents64(3, [pid 5030] mkdir("./45", 0777 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5643] <... symlink resumed>) = 0 [pid 5643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5640] close(8 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5643] <... openat resumed>) = 3 [pid 5030] <... mkdir resumed>) = 0 [pid 5643] write(3, "1000", 4) = 4 [pid 5643] close(3) = 0 [pid 5643] read(200, 0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5643] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5644 attached ) = 0 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=100, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5032] close(3 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5644] set_robust_list(0x55555580e6e0, 24 [pid 5643] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] <... set_robust_list resumed>) = 0 [pid 5643] <... futex resumed>) = 0 [pid 5640] close(9 [pid 5032] <... close resumed>) = 0 [pid 5033] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5644] chdir("./44" [pid 5643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5644] <... chdir resumed>) = 0 [pid 5643] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5644] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5643] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5645 attached [pid 5644] <... prctl resumed>) = 0 [pid 5643] <... mprotect resumed>) = 0 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] rmdir("./47" [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 90 [pid 5645] set_robust_list(0x55555580e6e0, 24 [pid 5644] setpgid(0, 0 [pid 5643] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5640] close(10 [pid 5033] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5646 attached [pid 5645] <... set_robust_list resumed>) = 0 [pid 5644] <... setpgid resumed>) = 0 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... rmdir resumed>) = 0 [pid 5646] set_robust_list(0x7f4e92bc39e0, 24 [pid 5645] chdir("./45" [pid 5644] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5643] <... clone resumed>, parent_tid=[93], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 93 [pid 5033] <... openat resumed>) = 3 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 92 [pid 5646] <... set_robust_list resumed>) = 0 [pid 5645] <... chdir resumed>) = 0 [pid 5644] <... symlink resumed>) = 0 [pid 5643] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] close(11 [pid 5032] mkdir("./48", 0777 [pid 5646] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5645] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5644] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5643] <... futex resumed>) = 0 [pid 5033] fstat(3, [pid 5646] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5645] <... prctl resumed>) = 0 [pid 5644] <... symlink resumed>) = 0 [pid 5643] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... mkdir resumed>) = 0 [pid 5646] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] setpgid(0, 0 [pid 5644] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5646] <... futex resumed>) = 0 [pid 5645] <... setpgid resumed>) = 0 [pid 5644] <... symlink resumed>) = 0 [pid 5643] close(3 [pid 5640] close(12 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5033] getdents64(3, [pid 5646] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5645] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5647 attached [pid 5645] <... symlink resumed>) = 0 [pid 5644] <... openat resumed>) = 3 [pid 5643] close(4 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5647] set_robust_list(0x55555580e6e0, 24 [pid 5645] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5644] write(3, "1000", 4 [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5640] close(13 [pid 5033] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 98 [pid 5647] <... set_robust_list resumed>) = 0 [pid 5645] <... symlink resumed>) = 0 [pid 5644] <... write resumed>) = 4 [pid 5643] close(5 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5645] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5644] close(3 [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] chdir("./48" [pid 5645] <... symlink resumed>) = 0 [pid 5644] <... close resumed>) = 0 [pid 5643] close(6 [pid 5640] close(14 [pid 5033] lstat("./49/binderfs", [pid 5647] <... chdir resumed>) = 0 [pid 5645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5644] read(200, [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5645] <... openat resumed>) = 3 [pid 5644] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5643] close(7 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5647] <... prctl resumed>) = 0 [pid 5645] write(3, "1000", 4 [pid 5644] symlink("/dev/binderfs", "./binderfs" [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5640] close(15 [pid 5647] setpgid(0, 0 [pid 5645] <... write resumed>) = 4 [pid 5644] <... symlink resumed>) = 0 [pid 5643] close(8 [pid 5033] unlink("./49/binderfs" [pid 5647] <... setpgid resumed>) = 0 [pid 5645] close(3 [pid 5644] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5645] <... close resumed>) = 0 [pid 5644] <... futex resumed>) = 0 [pid 5643] close(9 [pid 5640] close(16 [pid 5033] <... unlink resumed>) = 0 [pid 5645] read(200, [pid 5644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... symlink resumed>) = 0 [pid 5645] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5644] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5643] close(10 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./49/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5647] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5645] symlink("/dev/binderfs", "./binderfs" [pid 5644] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... symlink resumed>) = 0 [pid 5645] <... symlink resumed>) = 0 [pid 5644] <... mprotect resumed>) = 0 [pid 5643] close(11 [pid 5640] close(17 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5647] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5645] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./49/cgroup.net", ./strace-static-x86_64: Process 5648 attached [pid 5647] <... symlink resumed>) = 0 [pid 5645] <... futex resumed>) = 0 [pid 5643] close(12 [pid 5640] close(18 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5648] set_robust_list(0x7f4e92bc39e0, 24 [pid 5647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5644] <... clone resumed>, parent_tid=[91], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 91 [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./49/cgroup.net" [pid 5648] <... set_robust_list resumed>) = 0 [pid 5647] <... openat resumed>) = 3 [pid 5645] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5644] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] close(13 [pid 5640] close(19 [pid 5033] <... unlink resumed>) = 0 [pid 5648] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5647] write(3, "1000", 4 [pid 5645] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5644] <... futex resumed>) = 0 [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5648] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5647] <... write resumed>) = 4 [pid 5645] <... mprotect resumed>) = 0 [pid 5644] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5643] close(14 [pid 5033] umount2("./49/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5648] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] close(3 [pid 5645] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5640] close(20./strace-static-x86_64: Process 5649 attached [pid 5648] <... futex resumed>) = 0 [pid 5647] <... close resumed>) = 0 [pid 5644] close(3 [pid 5643] close(15 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5649] set_robust_list(0x7f4e92bc39e0, 24 [pid 5648] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5647] read(200, [pid 5645] <... clone resumed>, parent_tid=[93], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 93 [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5640] close(21 [pid 5033] lstat("./49/cgroup.cpu", [pid 5649] <... set_robust_list resumed>) = 0 [pid 5647] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5645] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] close(4 [pid 5643] close(16 [pid 5649] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5647] symlink("/dev/binderfs", "./binderfs" [pid 5645] <... futex resumed>) = 0 [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5649] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5647] <... symlink resumed>) = 0 [pid 5645] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5644] close(5 [pid 5643] close(17 [pid 5640] close(22 [pid 5649] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] <... futex resumed>) = 0 [pid 5647] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] close(3 [pid 5644] close(6 [pid 5643] close(18 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./49/cgroup.cpu" [pid 5649] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5647] <... futex resumed>) = 0 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5640] close(23 [pid 5033] <... unlink resumed>) = 0 [pid 5647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5645] close(4 [pid 5644] close(7 [pid 5643] close(19 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./49/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5647] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5645] close(5 [pid 5644] close(8 [pid 5643] close(20 [pid 5640] close(24 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./49/cgroup", [pid 5647] <... mprotect resumed>) = 0 [pid 5645] close(6 [pid 5644] close(9 [pid 5643] close(21 [pid 5640] close(25 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5647] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./49/cgroup"./strace-static-x86_64: Process 5650 attached [pid 5645] close(7 [pid 5644] close(10 [pid 5643] close(22 [pid 5640] close(26 [pid 5650] set_robust_list(0x7f4e92bc39e0, 24 [pid 5647] <... clone resumed>, parent_tid=[99], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 99 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] <... set_robust_list resumed>) = 0 [pid 5647] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] close(8 [pid 5644] close(11 [pid 5643] close(23 [pid 5033] getdents64(3, [pid 5650] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5647] <... futex resumed>) = 0 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5640] close(27 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5650] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5647] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5645] close(9 [pid 5644] close(12 [pid 5643] close(24 [pid 5650] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5650] <... futex resumed>) = 0 [pid 5645] close(10 [pid 5644] close(13 [pid 5643] close(25 [pid 5650] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5647] close(3 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5640] close(28 [pid 5033] <... close resumed>) = 0 [pid 5645] close(11 [pid 5644] close(14 [pid 5643] close(26 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(12 [pid 5644] close(15 [pid 5643] close(27 [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] rmdir("./49" [pid 5647] close(4 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5640] close(29 [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(13 [pid 5644] close(16 [pid 5643] close(28 [pid 5033] <... rmdir resumed>) = 0 [pid 5647] close(5 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5640] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./50", 0777 [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(14 [pid 5644] close(17 [pid 5643] close(29 [pid 5647] close(6 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5640] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] <... mkdir resumed>) = 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(15 [pid 5644] close(18 [pid 5643] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5640] <... write resumed>) = 335 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5647] close(7 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] <... write resumed>) = 335 [pid 5645] close(16 [pid 5644] close(19 [pid 5643] exit_group(0 [pid 5640] exit_group(0 [pid 5646] <... futex resumed>) = ? [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5651 attached [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5646] +++ exited with 0 +++ [pid 5645] close(17 [pid 5644] close(20 [pid 5643] +++ exited with 0 +++ [pid 5642] <... futex resumed>) = ? [pid 5640] <... exit_group resumed>) = ? [pid 5651] set_robust_list(0x55555580e6e0, 24 [pid 5647] close(8 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5642] +++ exited with 0 +++ [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=92, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5651] <... set_robust_list resumed>) = 0 [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(18 [pid 5644] close(21 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 102 [pid 5651] chdir("./50" [pid 5647] close(9 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5640] +++ exited with 0 +++ [pid 5651] <... chdir resumed>) = 0 [pid 5645] close(19 [pid 5644] close(22 [pid 5029] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5651] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5651] <... prctl resumed>) = 0 [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(20 [pid 5644] close(23 [pid 5029] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5651] setpgid(0, 0 [pid 5647] close(10 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=96, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5029] <... openat resumed>) = 3 [pid 5651] <... setpgid resumed>) = 0 [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(21 [pid 5644] close(24 [pid 5031] restart_syscall(<... resuming interrupted clone ...> [pid 5029] fstat(3, [pid 5651] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5647] close(11 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... restart_syscall resumed>) = 0 [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5651] <... symlink resumed>) = 0 [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(22 [pid 5644] close(25 [pid 5029] getdents64(3, [pid 5651] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5647] close(12 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5651] <... symlink resumed>) = 0 [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(23 [pid 5644] close(26 [pid 5029] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5651] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5647] close(13 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5651] <... symlink resumed>) = 0 [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(24 [pid 5644] close(27 [pid 5029] lstat("./45/binderfs", [pid 5651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5647] close(14 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5651] <... openat resumed>) = 3 [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(25 [pid 5644] close(28 [pid 5031] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./45/binderfs" [pid 5651] write(3, "1000", 4 [pid 5647] close(15 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5651] <... write resumed>) = 4 [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(26 [pid 5644] close(29 [pid 5029] umount2("./45/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOWwrite to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5031] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5651] close(3 [pid 5647] close(16 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5651] <... close resumed>) = 0 [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(27 [pid 5644] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] <... openat resumed>) = 3 [pid 5029] lstat("./45/cgroup.net", [pid 5651] read(200, [pid 5647] close(17 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... write resumed>) = 335 [pid 5031] fstat(3, [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5651] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(28 [pid 5644] exit_group(0 [pid 5029] unlink("./45/cgroup.net" [pid 5651] symlink("/dev/binderfs", "./binderfs" [pid 5648] <... futex resumed>) = ? [pid 5647] close(18 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... exit_group resumed>) = ? [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5651] <... symlink resumed>) = 0 [pid 5648] +++ exited with 0 +++ [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(29 [pid 5644] +++ exited with 0 +++ [pid 5031] getdents64(3, [pid 5651] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] close(19 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] umount2("./45/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5651] <... futex resumed>) = 0 [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5031] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5651] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5647] close(20 [pid 5645] <... write resumed>) = 335 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./45/cgroup.cpu", [pid 5651] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] exit_group(0 [pid 5031] lstat("./47/binderfs", [pid 5651] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5649] <... futex resumed>) = ? [pid 5647] close(21 [pid 5645] <... exit_group resumed>) = ? [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5651] <... mprotect resumed>) = 0 [pid 5649] +++ exited with 0 +++ [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5647] close(22 [pid 5031] unlink("./47/binderfs" [pid 5029] unlink("./45/cgroup.cpu" [pid 5651] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5031] umount2("./47/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5652 attached [pid 5647] close(23 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5028] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5652] set_robust_list(0x7f4e92bc39e0, 24 [pid 5651] <... clone resumed>, parent_tid=[103], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 103 [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./47/cgroup.net", [pid 5029] umount2("./45/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5652] <... set_robust_list resumed>) = 0 [pid 5651] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] close(24 [pid 5645] +++ exited with 0 +++ [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5652] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5651] <... futex resumed>) = 0 [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./47/cgroup.net" [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=92, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5652] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5651] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5647] close(25 [pid 5029] lstat("./45/cgroup", [pid 5028] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5652] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... openat resumed>) = 3 [pid 5652] <... futex resumed>) = 0 [pid 5651] close(3 [pid 5647] close(26 [pid 5029] unlink("./45/cgroup" [pid 5028] fstat(3, [pid 5652] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./47/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5651] close(4 [pid 5647] close(27 [pid 5029] getdents64(3, [pid 5028] getdents64(3, [pid 5651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5651] close(5 [pid 5647] close(28 [pid 5031] lstat("./47/cgroup.cpu", [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] close(3 [pid 5028] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5651] close(6 [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... close resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] close(29 [pid 5031] unlink("./47/cgroup.cpu" [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] rmdir("./45" [pid 5028] lstat("./44/binderfs", [pid 5651] close(7 [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... rmdir resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5651] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5647] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] <... unlink resumed>) = 0 [pid 5030] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] mkdir("./46", 0777 [pid 5028] unlink("./44/binderfs" [pid 5651] close(8 [pid 5647] <... write resumed>) = 335 [pid 5031] umount2("./47/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... openat resumed>) = 3 [pid 5029] <... mkdir resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] exit_group(0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] fstat(3, [pid 5028] umount2("./44/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5651] close(9 [pid 5650] <... futex resumed>) = ? [pid 5647] <... exit_group resumed>) = ? [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5653 attached [pid 5651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] +++ exited with 0 +++ [pid 5031] lstat("./47/cgroup", [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5653] set_robust_list(0x55555580e6e0, 24 [pid 5651] close(10 [pid 5647] +++ exited with 0 +++ [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] getdents64(3, [pid 5028] lstat("./44/cgroup.net", [pid 5653] <... set_robust_list resumed>) = 0 [pid 5651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=98, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5031] unlink("./47/cgroup" [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 94 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5653] chdir("./46" [pid 5031] <... unlink resumed>) = 0 [pid 5030] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./44/cgroup.net" [pid 5653] <... chdir resumed>) = 0 [pid 5651] close(11 [pid 5031] getdents64(3, [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 5653] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] lstat("./45/binderfs", [pid 5028] umount2("./44/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5653] <... prctl resumed>) = 0 [pid 5651] close(12 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] close(3 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5653] setpgid(0, 0 [pid 5651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5653] <... setpgid resumed>) = 0 [pid 5651] close(13 [pid 5031] <... close resumed>) = 0 [pid 5030] unlink("./45/binderfs" [pid 5028] lstat("./44/cgroup.cpu", [pid 5653] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... openat resumed>) = 3 [pid 5651] close(14 [pid 5031] rmdir("./47" [pid 5030] <... unlink resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5653] <... symlink resumed>) = 0 [pid 5651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] fstat(3, [pid 5031] <... rmdir resumed>) = 0 [pid 5030] umount2("./45/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./44/cgroup.cpu" [pid 5653] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5651] close(15) = -1 EBADF (Bad file descriptor) [pid 5651] close(16) = -1 EBADF (Bad file descriptor) [pid 5651] close(17 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... unlink resumed>) = 0 [pid 5653] <... symlink resumed>) = 0 [pid 5651] close(18 [pid 5031] mkdir("./48", 0777 [pid 5030] lstat("./45/cgroup.net", [pid 5651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] getdents64(3, [pid 5028] umount2("./44/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5653] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5651] close(19 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] <... mkdir resumed>) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5651] close(20 [pid 5653] <... symlink resumed>) = 0 [pid 5651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./45/cgroup.net" [pid 5653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5651] close(21 [pid 5032] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] lstat("./44/cgroup", [pid 5651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 5651] close(22) = -1 EBADF (Bad file descriptor) [pid 5651] close(23) = -1 EBADF (Bad file descriptor) [pid 5651] close(24) = -1 EBADF (Bad file descriptor) [pid 5651] close(25) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5651] close(26 [pid 5032] lstat("./48/binderfs", [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./45/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5653] <... openat resumed>) = 3 [pid 5651] close(27) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5653] write(3, "1000", 4 [pid 5028] unlink("./44/cgroup" [pid 5651] close(28) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./48/binderfs" [pid 5651] close(29 [pid 5030] lstat("./45/cgroup.cpu", [pid 5028] <... unlink resumed>) = 0 [pid 5653] <... write resumed>) = 4 [pid 5651] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5654 attached [pid 5653] close(3 [pid 5651] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] getdents64(3, [pid 5654] set_robust_list(0x55555580e6e0, 24 [pid 5653] <... close resumed>) = 0 [pid 5651] <... write resumed>) = 335 [pid 5032] umount2("./48/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 98 [pid 5030] unlink("./45/cgroup.cpu" [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5654] <... set_robust_list resumed>) = 0 [pid 5653] read(200, [pid 5651] exit_group(0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5654] chdir("./48" [pid 5652] <... futex resumed>) = ? [pid 5651] <... exit_group resumed>) = ? write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5030] <... unlink resumed>) = 0 [pid 5028] close(3 [pid 5654] <... chdir resumed>) = 0 [pid 5653] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5652] +++ exited with 0 +++ [pid 5651] +++ exited with 0 +++ [pid 5032] lstat("./48/cgroup.net", [pid 5030] umount2("./45/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5654] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5653] symlink("/dev/binderfs", "./binderfs" [pid 5028] <... close resumed>) = 0 [pid 5654] <... prctl resumed>) = 0 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=102, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5654] setpgid(0, 0 [pid 5653] <... symlink resumed>) = 0 [pid 5033] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] unlink("./48/cgroup.net" [pid 5030] lstat("./45/cgroup", [pid 5028] rmdir("./44" [pid 5654] <... setpgid resumed>) = 0 [pid 5653] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5654] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5032] <... unlink resumed>) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5654] <... symlink resumed>) = 0 [pid 5653] <... futex resumed>) = 0 [pid 5033] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] umount2("./48/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] unlink("./45/cgroup" [pid 5028] <... rmdir resumed>) = 0 [pid 5654] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5033] <... openat resumed>) = 3 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5654] <... symlink resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5028] mkdir("./45", 0777 [pid 5654] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5653] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5033] fstat(3, [pid 5032] lstat("./48/cgroup.cpu", [pid 5030] getdents64(3, [pid 5654] <... symlink resumed>) = 0 [pid 5653] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... mkdir resumed>) = 0 [pid 5654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5653] <... mprotect resumed>) = 0 [pid 5033] getdents64(3, [pid 5032] unlink("./48/cgroup.cpu" [pid 5030] close(3 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5654] write(3, "1000", 4) = 4 [pid 5654] close(3) = 0 [pid 5653] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5654] read(200, [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5654] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5032] <... unlink resumed>) = 0 [pid 5030] <... close resumed>) = 0 [pid 5654] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5654] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4e92ba3000 [pid 5654] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5656 attached ./strace-static-x86_64: Process 5655 attached ) = 0 [pid 5033] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] umount2("./48/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] rmdir("./45" [pid 5656] set_robust_list(0x7f4e92bc39e0, 24 [pid 5655] set_robust_list(0x55555580e6e0, 24 [pid 5654] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5653] <... clone resumed>, parent_tid=[95], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 95 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5657 attached [pid 5656] <... set_robust_list resumed>) = 0 [pid 5655] <... set_robust_list resumed>) = 0 [pid 5030] <... rmdir resumed>) = 0 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 92 [pid 5657] set_robust_list(0x7f4e92bc39e0, 24 [pid 5656] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5655] chdir("./45" [pid 5654] <... clone resumed>, parent_tid=[99], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 99 [pid 5653] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] lstat("./50/binderfs", [pid 5032] lstat("./48/cgroup", [pid 5030] mkdir("./46", 0777 [pid 5657] <... set_robust_list resumed>) = 0 [pid 5656] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5655] <... chdir resumed>) = 0 [pid 5654] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5657] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5656] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5654] <... futex resumed>) = 0 [pid 5653] <... futex resumed>) = 0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5657] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5656] <... futex resumed>) = 0 [pid 5655] <... prctl resumed>) = 0 [pid 5654] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] <... mkdir resumed>) = 0 [pid 5657] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5656] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5655] setpgid(0, 0 [pid 5654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5653] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5033] unlink("./50/binderfs" [pid 5032] unlink("./48/cgroup" [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5657] <... futex resumed>) = 0 [pid 5655] <... setpgid resumed>) = 0 [pid 5654] close(3 [pid 5657] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5655] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5655] <... symlink resumed>) = 0 [pid 5654] close(4 [pid 5655] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(3 [pid 5033] umount2("./50/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] getdents64(3, [pid 5655] <... symlink resumed>) = 0 [pid 5654] close(5 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5658 attached [pid 5655] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(4 [pid 5033] lstat("./50/cgroup.net", [pid 5658] set_robust_list(0x55555580e6e0, 24 [pid 5655] <... symlink resumed>) = 0 [pid 5654] close(6 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] close(3 [pid 5658] <... set_robust_list resumed>) = 0 [pid 5655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 94 [pid 5658] chdir("./46" [pid 5655] <... openat resumed>) = 3 [pid 5654] close(7 [pid 5653] close(5 [pid 5032] <... close resumed>) = 0 [pid 5658] <... chdir resumed>) = 0 [pid 5655] write(3, "1000", 4 [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5655] <... write resumed>) = 4 [pid 5654] close(8 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./50/cgroup.net" [pid 5032] rmdir("./48" [pid 5658] <... prctl resumed>) = 0 [pid 5655] close(3 [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] setpgid(0, 0 [pid 5655] <... close resumed>) = 0 [pid 5654] close(9 [pid 5653] close(6 [pid 5658] <... setpgid resumed>) = 0 [pid 5655] read(200, [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... rmdir resumed>) = 0 [pid 5658] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5655] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5654] close(10 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./50/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] mkdir("./49", 0777 [pid 5658] <... symlink resumed>) = 0 [pid 5655] symlink("/dev/binderfs", "./binderfs" [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5655] <... symlink resumed>) = 0 [pid 5654] close(11 [pid 5653] close(7 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... mkdir resumed>) = 0 [pid 5658] <... symlink resumed>) = 0 [pid 5655] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./50/cgroup.cpu", [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5658] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5655] <... futex resumed>) = 0 [pid 5654] close(12 [pid 5653] close(8 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5659 attached [pid 5658] <... symlink resumed>) = 0 [pid 5655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./50/cgroup.cpu" [pid 5659] set_robust_list(0x55555580e6e0, 24 [pid 5658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5655] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5654] close(13 [pid 5653] close(9 [pid 5659] <... set_robust_list resumed>) = 0 [pid 5658] <... openat resumed>) = 3 [pid 5655] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 100 [pid 5659] chdir("./49" [pid 5658] write(3, "1000", 4 [pid 5655] <... mprotect resumed>) = 0 [pid 5654] close(14 [pid 5653] close(10 [pid 5033] umount2("./50/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5659] <... chdir resumed>) = 0 [pid 5658] <... write resumed>) = 4 [pid 5655] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5660 attached [pid 5659] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5658] close(3 [pid 5654] close(15 [pid 5653] close(11 [pid 5660] set_robust_list(0x7f4e92bc39e0, 24 [pid 5659] <... prctl resumed>) = 0 [pid 5658] <... close resumed>) = 0 [pid 5655] <... clone resumed>, parent_tid=[93], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 93 [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./50/cgroup", [pid 5660] <... set_robust_list resumed>) = 0 [pid 5659] setpgid(0, 0 [pid 5658] read(200, [pid 5655] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5654] close(16 [pid 5653] close(12 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5660] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5659] <... setpgid resumed>) = 0 [pid 5658] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5655] <... futex resumed>) = 0 [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5660] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5659] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5658] symlink("/dev/binderfs", "./binderfs" [pid 5655] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5654] close(17 [pid 5653] close(13 [pid 5033] unlink("./50/cgroup" [pid 5660] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] <... symlink resumed>) = 0 [pid 5658] <... symlink resumed>) = 0 [pid 5655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5660] <... futex resumed>) = 0 [pid 5659] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5658] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] close(3 [pid 5654] close(18 [pid 5653] close(14 [pid 5033] getdents64(3, [pid 5660] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5659] <... symlink resumed>) = 0 [pid 5658] <... futex resumed>) = 0 [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5659] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5655] close(4 [pid 5654] close(19 [pid 5653] close(15 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5659] <... symlink resumed>) = 0 [pid 5658] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5658] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5655] close(5 [pid 5654] close(20 [pid 5653] close(16 [pid 5659] <... openat resumed>) = 3 [pid 5658] <... mprotect resumed>) = 0 [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = 0 [pid 5659] write(3, "1000", 4 [pid 5658] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5655] close(6 [pid 5654] close(21 [pid 5653] close(17 [pid 5033] rmdir("./50"./strace-static-x86_64: Process 5661 attached [pid 5659] <... write resumed>) = 4 [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5661] set_robust_list(0x7f4e92bc39e0, 24 [pid 5659] close(3 [pid 5658] <... clone resumed>, parent_tid=[95], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 95 [pid 5655] close(7 [pid 5654] close(22 [pid 5653] close(18 [pid 5033] <... rmdir resumed>) = 0 [pid 5661] <... set_robust_list resumed>) = 0 [pid 5659] <... close resumed>) = 0 [pid 5658] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5661] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5659] read(200, [pid 5658] <... futex resumed>) = 0 [pid 5655] close(8 [pid 5654] close(23 [pid 5653] close(19 [pid 5661] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5659] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5658] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5661] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] symlink("/dev/binderfs", "./binderfs" [pid 5658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5655] close(9 [pid 5654] close(24 [pid 5653] close(20 [pid 5033] mkdir("./51", 0777 [pid 5661] <... futex resumed>) = 0 [pid 5659] <... symlink resumed>) = 0 [pid 5658] close(3 [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5661] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5659] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5655] close(10 [pid 5654] close(25 [pid 5653] close(21 [pid 5033] <... mkdir resumed>) = 0 [pid 5659] <... futex resumed>) = 0 [pid 5658] close(4 [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5655] close(11 [pid 5654] close(26 [pid 5653] close(22 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5659] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5658] close(5 [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5659] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5655] close(12 [pid 5654] close(27 [pid 5653] close(23./strace-static-x86_64: Process 5662 attached [pid 5659] <... mprotect resumed>) = 0 [pid 5658] close(6 [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5662] set_robust_list(0x55555580e6e0, 24 [pid 5659] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5655] close(13 [pid 5654] close(28 [pid 5653] close(24./strace-static-x86_64: Process 5663 attached [pid 5662] <... set_robust_list resumed>) = 0 [pid 5658] close(7 [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 104 [pid 5663] set_robust_list(0x7f4e92bc39e0, 24 [pid 5662] chdir("./51" [pid 5659] <... clone resumed>, parent_tid=[101], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 101 [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5655] close(14 [pid 5654] close(29write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5653] close(25 [pid 5663] <... set_robust_list resumed>) = 0 [pid 5662] <... chdir resumed>) = 0 [pid 5659] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] close(8 [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5663] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5662] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5659] <... futex resumed>) = 0 [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5655] close(15 [pid 5654] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5653] close(26 [pid 5663] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5662] <... prctl resumed>) = 0 [pid 5659] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5658] close(9 [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5654] <... write resumed>) = 335 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5663] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] setpgid(0, 0 [pid 5659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5655] close(16 [pid 5654] exit_group(0 [pid 5653] close(27 [pid 5663] <... futex resumed>) = 0 [pid 5662] <... setpgid resumed>) = 0 [pid 5659] close(3 [pid 5658] close(10 [pid 5657] <... futex resumed>) = ? [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5654] <... exit_group resumed>) = ? [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5663] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5662] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5657] +++ exited with 0 +++ [pid 5655] close(17 [pid 5654] +++ exited with 0 +++ [pid 5653] close(28 [pid 5662] <... symlink resumed>) = 0 [pid 5659] close(4 [pid 5658] close(11 [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5662] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5655] close(18 [pid 5653] close(29 [pid 5662] <... symlink resumed>) = 0 [pid 5659] close(5 [pid 5658] close(12write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=98, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5662] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5655] close(19 [pid 5653] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5662] <... symlink resumed>) = 0 [pid 5659] close(6 [pid 5658] close(13 [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... write resumed>) = 335 [pid 5662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5655] close(20 [pid 5653] exit_group(0 [pid 5662] <... openat resumed>) = 3 [pid 5659] close(7 [pid 5658] close(14 [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5662] write(3, "1000", 4 [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... futex resumed>) = ? [pid 5655] close(21 [pid 5653] <... exit_group resumed>) = ? [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5662] <... write resumed>) = 4 [pid 5659] close(8 [pid 5658] close(15 [pid 5656] +++ exited with 0 +++ [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] +++ exited with 0 +++ [pid 5662] close(3 [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5655] close(22 [pid 5662] <... close resumed>) = 0 [pid 5659] close(9 [pid 5658] close(16 [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5662] read(200, [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5655] close(23 [pid 5029] restart_syscall(<... resuming interrupted clone ...> [pid 5662] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5659] close(10 [pid 5658] close(17 [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... openat resumed>) = 3 [pid 5029] <... restart_syscall resumed>) = 0 [pid 5662] symlink("/dev/binderfs", "./binderfs" [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5655] close(24 [pid 5031] fstat(3, [pid 5662] <... symlink resumed>) = 0 [pid 5659] close(11 [pid 5658] close(18 [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5662] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5655] close(25 [pid 5029] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5662] <... futex resumed>) = 0 [pid 5659] close(12 [pid 5658] close(19 [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] getdents64(3, [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5655] close(26 [pid 5029] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5662] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5659] close(13 [pid 5658] close(20 [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] <... openat resumed>) = 3 [pid 5662] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5662] <... mprotect resumed>) = 0 [pid 5659] close(14 [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5655] close(27 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] fstat(3, [pid 5662] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] close(21 [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 ./strace-static-x86_64: Process 5664 attached [pid 5659] close(15 [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5655] close(28 [pid 5031] lstat("./48/binderfs", [pid 5029] getdents64(3, [pid 5664] set_robust_list(0x7f4e92bc39e0, 24 [pid 5662] <... clone resumed>, parent_tid=[105], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 105 [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] close(22 [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5664] <... set_robust_list resumed>) = 0 [pid 5662] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] close(16 [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5655] close(29 [pid 5031] unlink("./48/binderfs" [pid 5029] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5664] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5662] <... futex resumed>) = 0 [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] close(23 [pid 5655] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5664] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5662] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5659] close(17 [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5655] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] umount2("./48/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] lstat("./46/binderfs", [pid 5664] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] close(24 [pid 5655] <... write resumed>) = 335 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5664] <... futex resumed>) = 0 [pid 5662] close(3 [pid 5659] close(18 [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5655] exit_group(0 [pid 5031] lstat("./48/cgroup.net", [pid 5029] unlink("./46/binderfs" [pid 5664] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5660] <... futex resumed>) = ? [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] close(25 [pid 5655] <... exit_group resumed>) = ? [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5662] close(4 [pid 5660] +++ exited with 0 +++ [pid 5659] close(19 [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5655] +++ exited with 0 +++ [pid 5031] unlink("./48/cgroup.net" [pid 5029] umount2("./46/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] close(26 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=92, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5662] close(5 [pid 5659] close(20 [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5029] lstat("./46/cgroup.net", [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] close(27 [pid 5031] umount2("./48/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5662] close(6 [pid 5659] close(21 [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./46/cgroup.net" [pid 5028] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] close(28 [pid 5031] lstat("./48/cgroup.cpu", [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5662] close(7 [pid 5659] close(22 [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] umount2("./46/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] close(29 [pid 5031] unlink("./48/cgroup.cpu" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... openat resumed>) = 3 [pid 5662] close(8 [pid 5659] close(23 [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] lstat("./46/cgroup.cpu", [pid 5028] fstat(3, [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5658] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5662] close(9 [pid 5659] close(24 [pid 5658] <... write resumed>) = 335 [pid 5029] unlink("./46/cgroup.cpu" [pid 5028] getdents64(3, [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] exit_group(0 [pid 5031] umount2("./48/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5662] close(10 [pid 5661] <... futex resumed>) = ? [pid 5659] close(25 [pid 5658] <... exit_group resumed>) = ? [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5661] +++ exited with 0 +++ [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./48/cgroup", [pid 5029] umount2("./46/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5659] close(26 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5662] close(11 [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] +++ exited with 0 +++ [pid 5031] unlink("./48/cgroup" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5659] close(27 [pid 5031] <... unlink resumed>) = 0 [pid 5662] close(12 [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] getdents64(3, [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5029] lstat("./46/cgroup", [pid 5028] lstat("./45/binderfs", [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5659] close(28 [pid 5031] close(3 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5662] close(13 [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... close resumed>) = 0 [pid 5030] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] unlink("./46/cgroup" [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5659] close(29 [pid 5031] rmdir("./48" [pid 5030] <... openat resumed>) = 3 [pid 5029] <... unlink resumed>) = 0 [pid 5028] unlink("./45/binderfs" [pid 5662] close(14 [pid 5659] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5029] getdents64(3, [pid 5028] <... unlink resumed>) = 0 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5659] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] <... rmdir resumed>) = 0 [pid 5030] fstat(3, [pid 5662] close(15 [pid 5659] <... write resumed>) = 335 [pid 5031] mkdir("./49", 0777 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] umount2("./45/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5659] exit_group(0 [pid 5031] <... mkdir resumed>) = 0 [pid 5030] getdents64(3, [pid 5029] close(3 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5663] <... futex resumed>) = ? [pid 5662] close(16 [pid 5659] <... exit_group resumed>) = ? [pid 5029] <... close resumed>) = 0 [pid 5028] lstat("./45/cgroup.net", [pid 5663] +++ exited with 0 +++ [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 5665 attached [pid 5662] close(17 [pid 5659] +++ exited with 0 +++ [pid 5030] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] rmdir("./46" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5665] set_robust_list(0x55555580e6e0, 24 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 100 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5665] <... set_robust_list resumed>) = 0 [pid 5662] close(18 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=100, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5030] lstat("./46/binderfs", [pid 5029] <... rmdir resumed>) = 0 [pid 5028] unlink("./45/cgroup.net" [pid 5665] chdir("./49" [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] restart_syscall(<... resuming interrupted clone ...> [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] unlink("./46/binderfs" [pid 5029] mkdir("./47", 0777 [pid 5665] <... chdir resumed>) = 0 [pid 5662] close(19 [pid 5032] <... restart_syscall resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5665] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./46/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... mkdir resumed>) = 0 [pid 5028] umount2("./45/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5665] <... prctl resumed>) = 0 [pid 5662] close(20 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] lstat("./46/cgroup.net", [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5665] setpgid(0, 0 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] unlink("./46/cgroup.net") = 0 [pid 5030] umount2("./46/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5030] lstat("./46/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5666 attached [pid 5030] unlink("./46/cgroup.cpu" [pid 5665] <... setpgid resumed>) = 0 [pid 5028] lstat("./45/cgroup.cpu", [pid 5666] set_robust_list(0x55555580e6e0, 24 [pid 5662] close(21 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... unlink resumed>) = 0 [pid 5666] <... set_robust_list resumed>) = 0 [pid 5665] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] umount2("./46/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5666] chdir("./47" [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5666] <... chdir resumed>) = 0 [pid 5665] <... symlink resumed>) = 0 [pid 5030] lstat("./46/cgroup", [pid 5028] unlink("./45/cgroup.cpu" [pid 5032] <... openat resumed>) = 3 [pid 5666] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5665] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5662] close(22 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5666] <... prctl resumed>) = 0 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] fstat(3, [pid 5030] unlink("./46/cgroup" [pid 5028] <... unlink resumed>) = 0 [pid 5666] setpgid(0, 0 [pid 5665] <... symlink resumed>) = 0 [pid 5662] close(23 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5666] <... setpgid resumed>) = 0 [pid 5030] getdents64(3, [pid 5666] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5666] <... symlink resumed>) = 0 [pid 5665] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] getdents64(3, [pid 5030] close(3 [pid 5028] umount2("./45/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5666] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5030] <... close resumed>) = 0 [pid 5666] <... symlink resumed>) = 0 [pid 5665] <... symlink resumed>) = 0 [pid 5662] close(24 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] rmdir("./46" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5666] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... rmdir resumed>) = 0 [pid 5666] <... symlink resumed>) = 0 [pid 5030] mkdir("./47", 0777 [pid 5666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5662] close(25 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... mkdir resumed>) = 0 [pid 5028] lstat("./45/cgroup", [pid 5666] <... openat resumed>) = 3 [pid 5665] <... openat resumed>) = 3 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] write(3, "1000", 4 [pid 5665] write(3, "1000", 4 [pid 5662] close(26 [pid 5032] lstat("./49/binderfs", [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 96 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 5667 attached [pid 5666] <... write resumed>) = 4 [pid 5665] <... write resumed>) = 4 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] unlink("./45/cgroup" [pid 5667] set_robust_list(0x55555580e6e0, 24 [pid 5666] close(3 [pid 5665] close(3 [pid 5662] close(27 [pid 5032] unlink("./49/binderfs" [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 96 [pid 5667] <... set_robust_list resumed>) = 0 [pid 5666] <... close resumed>) = 0 [pid 5665] <... close resumed>) = 0 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5667] chdir("./47" [pid 5666] read(200, [pid 5665] read(200, [pid 5662] close(28 [pid 5032] umount2("./49/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] getdents64(3, [pid 5667] <... chdir resumed>) = 0 [pid 5666] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5665] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5667] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5666] symlink("/dev/binderfs", "./binderfs" [pid 5665] symlink("/dev/binderfs", "./binderfs" [pid 5662] close(29 [pid 5032] lstat("./49/cgroup.net", [pid 5667] <... prctl resumed>) = 0 [pid 5666] <... symlink resumed>) = 0 [pid 5665] <... symlink resumed>) = 0 [pid 5662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(3 [pid 5667] setpgid(0, 0write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5666] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... close resumed>) = 0 [pid 5667] <... setpgid resumed>) = 0 [pid 5666] <... futex resumed>) = 0 [pid 5665] <... futex resumed>) = 0 [pid 5662] <... write resumed>) = 335 [pid 5032] unlink("./49/cgroup.net" [pid 5028] rmdir("./45" [pid 5667] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5662] exit_group(0 [pid 5032] <... unlink resumed>) = 0 [pid 5028] <... rmdir resumed>) = 0 [pid 5667] <... symlink resumed>) = 0 [pid 5666] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5665] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5664] <... futex resumed>) = ? [pid 5662] <... exit_group resumed>) = ? [pid 5032] umount2("./49/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5667] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5666] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5665] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5664] +++ exited with 0 +++ [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] mkdir("./46", 0777 [pid 5667] <... symlink resumed>) = 0 [pid 5666] <... mprotect resumed>) = 0 [pid 5032] lstat("./49/cgroup.cpu", [pid 5667] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5666] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5665] <... mprotect resumed>) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5668 attached [pid 5667] <... symlink resumed>) = 0 [pid 5665] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5032] unlink("./49/cgroup.cpu"./strace-static-x86_64: Process 5669 attached [pid 5668] set_robust_list(0x7f4e92bc39e0, 24 [pid 5667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5666] <... clone resumed>, parent_tid=[97], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 97 [pid 5662] +++ exited with 0 +++ [pid 5032] <... unlink resumed>) = 0 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5669] set_robust_list(0x7f4e92bc39e0, 24 [pid 5668] <... set_robust_list resumed>) = 0 [pid 5667] <... openat resumed>) = 3 [pid 5666] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] <... clone resumed>, parent_tid=[101], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 101 [pid 5032] umount2("./49/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5668] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5667] write(3, "1000", 4 [pid 5666] <... futex resumed>) = 0 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=104, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5668] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5667] <... write resumed>) = 4 [pid 5666] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5033] restart_syscall(<... resuming interrupted clone ...> [pid 5032] lstat("./49/cgroup", ./strace-static-x86_64: Process 5670 attached [pid 5669] <... set_robust_list resumed>) = 0 [pid 5668] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] close(3 [pid 5666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5665] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] <... restart_syscall resumed>) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5670] set_robust_list(0x55555580e6e0, 24 [pid 5669] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5668] <... futex resumed>) = 0 [pid 5667] <... close resumed>) = 0 [pid 5666] close(3 [pid 5665] <... futex resumed>) = 0 [pid 5032] unlink("./49/cgroup" [pid 5670] <... set_robust_list resumed>) = 0 [pid 5669] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5668] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5667] read(200, [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5032] <... unlink resumed>) = 0 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 94 [pid 5670] chdir("./46" [pid 5669] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5666] close(4 [pid 5665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] getdents64(3, [pid 5670] <... chdir resumed>) = 0 [pid 5669] <... futex resumed>) = 0 [pid 5667] symlink("/dev/binderfs", "./binderfs" [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] close(3 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5670] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5669] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5667] <... symlink resumed>) = 0 [pid 5666] close(5 [pid 5665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] close(3 [pid 5670] <... prctl resumed>) = 0 [pid 5667] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] close(4 [pid 5033] <... openat resumed>) = 3 [pid 5032] <... close resumed>) = 0 [pid 5670] setpgid(0, 0 [pid 5667] <... futex resumed>) = 0 [pid 5666] close(6 [pid 5665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 5032] rmdir("./49" [pid 5670] <... setpgid resumed>) = 0 [pid 5667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] close(5 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] <... rmdir resumed>) = 0 [pid 5670] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5667] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5666] close(7 [pid 5665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5032] mkdir("./50", 0777 [pid 5670] <... symlink resumed>) = 0 [pid 5667] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] close(6 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] <... mkdir resumed>) = 0 [pid 5670] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5667] <... mprotect resumed>) = 0 [pid 5666] close(8 [pid 5665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5671 attached [pid 5670] <... symlink resumed>) = 0 [pid 5667] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] close(7 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5672 attached [pid 5670] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5666] close(9 [pid 5665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./51/binderfs", [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 102 [pid 5672] set_robust_list(0x7f4e92bc39e0, 24 [pid 5671] set_robust_list(0x55555580e6e0, 24 [pid 5670] <... symlink resumed>) = 0 [pid 5667] <... clone resumed>, parent_tid=[97], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 97 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] close(8 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5672] <... set_robust_list resumed>) = 0 [pid 5671] <... set_robust_list resumed>) = 0 [pid 5670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5667] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] close(10 [pid 5665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./51/binderfs" [pid 5672] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5671] chdir("./50" [pid 5670] <... openat resumed>) = 3 [pid 5667] <... futex resumed>) = 0 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5665] close(9 [pid 5672] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5671] <... chdir resumed>) = 0 [pid 5670] write(3, "1000", 4 [pid 5667] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5666] close(11 [pid 5665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./51/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5672] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5670] <... write resumed>) = 4 [pid 5667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] close(10 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5672] <... futex resumed>) = 0 [pid 5671] <... prctl resumed>) = 0 [pid 5670] close(3 [pid 5667] close(3 [pid 5666] close(12 [pid 5665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./51/cgroup.net", [pid 5672] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5671] setpgid(0, 0 [pid 5670] <... close resumed>) = 0 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] close(11 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5671] <... setpgid resumed>) = 0 [pid 5670] read(200, [pid 5665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] close(12 [pid 5667] close(4 [pid 5671] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5666] close(13 [pid 5665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./51/cgroup.net" [pid 5670] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5671] <... symlink resumed>) = 0 [pid 5670] symlink("/dev/binderfs", "./binderfs" [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] close(13 [pid 5033] <... unlink resumed>) = 0 [pid 5671] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5667] close(5 [pid 5665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... symlink resumed>) = 0 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(14 [pid 5665] close(14 [pid 5033] umount2("./51/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5671] <... symlink resumed>) = 0 [pid 5670] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] close(6 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] close(15 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] close(16) = -1 EBADF (Bad file descriptor) [pid 5665] close(17) = -1 EBADF (Bad file descriptor) [pid 5671] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5670] <... futex resumed>) = 0 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(15 [pid 5665] close(18 [pid 5033] lstat("./51/cgroup.cpu", [pid 5665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5671] <... symlink resumed>) = 0 [pid 5667] close(7 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] close(19 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(16 [pid 5665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] close(20 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./51/cgroup.cpu" [pid 5670] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5667] close(8 [pid 5666] close(17 [pid 5665] close(21 [pid 5671] <... openat resumed>) = 3 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5671] write(3, "1000", 4 [pid 5670] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5667] close(9 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] close(22 [pid 5033] <... unlink resumed>) = 0 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(18 [pid 5665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./51/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5671] <... write resumed>) = 4 [pid 5670] <... mprotect resumed>) = 0 [pid 5667] close(10 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] close(23 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5670] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(19 [pid 5665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./51/cgroup", ./strace-static-x86_64: Process 5673 attached [pid 5671] close(3 [pid 5667] close(11 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] close(24 [pid 5673] set_robust_list(0x7f4e92bc39e0, 24 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(20 [pid 5665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5673] <... set_robust_list resumed>) = 0 [pid 5671] <... close resumed>) = 0 [pid 5670] <... clone resumed>, parent_tid=[95], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 95 [pid 5665] close(25 [pid 5667] close(12 [pid 5673] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5671] read(200, [pid 5670] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./51/cgroup" [pid 5673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5671] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5670] <... futex resumed>) = 0 [pid 5667] close(13 [pid 5666] close(21 [pid 5665] close(26 [pid 5673] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5671] symlink("/dev/binderfs", "./binderfs" [pid 5670] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5673] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5671] <... symlink resumed>) = 0 [pid 5667] close(14 [pid 5666] close(22 [pid 5665] close(27 [pid 5033] getdents64(3, [pid 5673] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5673] <... futex resumed>) = 1 [pid 5671] <... futex resumed>) = 0 [pid 5670] <... futex resumed>) = 0 [pid 5667] close(15 [pid 5665] close(28 [pid 5666] close(23 [pid 5673] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5670] close(3 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5671] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] close(16 [pid 5666] close(24 [pid 5665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = 0 [pid 5671] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5670] close(4 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] rmdir("./51" [pid 5671] <... mprotect resumed>) = 0 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] close(17 [pid 5666] close(25 [pid 5665] close(29 [pid 5033] <... rmdir resumed>) = 0 [pid 5671] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5670] close(5 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./52", 0777./strace-static-x86_64: Process 5674 attached [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] close(18 [pid 5666] close(26write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5665] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] <... mkdir resumed>) = 0 [pid 5674] set_robust_list(0x7f4e92bc39e0, 24 [pid 5671] <... clone resumed>, parent_tid=[103], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 103 [pid 5670] close(6 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] <... write resumed>) = 335 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5675 attached [pid 5674] <... set_robust_list resumed>) = 0 [pid 5671] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] close(19 [pid 5666] close(27 [pid 5665] exit_group(0 [pid 5675] set_robust_list(0x55555580e6e0, 24 [pid 5674] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5671] <... futex resumed>) = 0 [pid 5670] close(7 [pid 5669] <... futex resumed>) = ? [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5665] <... exit_group resumed>) = ? [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 106 [pid 5675] <... set_robust_list resumed>) = 0 [pid 5674] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5671] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5669] +++ exited with 0 +++ [pid 5667] close(20 [pid 5666] close(28 [pid 5675] chdir("./52" [pid 5674] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5670] close(8 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5675] <... chdir resumed>) = 0 [pid 5674] <... futex resumed>) = 0 [pid 5671] close(3 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] close(21 [pid 5666] close(29 [pid 5675] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5674] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] close(9 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... prctl resumed>) = 0 [pid 5671] close(4 [pid 5667] close(22 [pid 5666] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5675] setpgid(0, 0 [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... write resumed>) = 335 [pid 5675] <... setpgid resumed>) = 0 [pid 5671] close(5 [pid 5670] close(10 [pid 5667] close(23 [pid 5666] exit_group(0 [pid 5675] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5668] <... futex resumed>) = ? [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... exit_group resumed>) = ? [pid 5675] <... symlink resumed>) = 0 [pid 5671] close(6 [pid 5670] close(11 [pid 5668] +++ exited with 0 +++ [pid 5667] close(24 [pid 5665] +++ exited with 0 +++ [pid 5675] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] +++ exited with 0 +++ [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=100, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5670] close(12 [pid 5675] <... symlink resumed>) = 0 [pid 5671] close(7 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] close(25 [pid 5031] restart_syscall(<... resuming interrupted clone ...> [pid 5675] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] close(13 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... restart_syscall resumed>) = 0 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=96, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5675] <... symlink resumed>) = 0 [pid 5671] close(8 [pid 5667] close(26 [pid 5029] restart_syscall(<... resuming interrupted clone ...> [pid 5675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... restart_syscall resumed>) = 0 [pid 5675] <... openat resumed>) = 3 [pid 5671] close(9 [pid 5670] close(14 [pid 5667] close(27 [pid 5031] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5675] write(3, "1000", 4 [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5675] <... write resumed>) = 4 [pid 5671] close(10 [pid 5670] close(15 [pid 5667] close(28 [pid 5031] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5675] close(3 [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... openat resumed>) = 3 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5675] <... close resumed>) = 0 [pid 5671] close(11 [pid 5670] close(16 [pid 5667] close(29 [pid 5031] fstat(3, [pid 5029] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5675] read(200, [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5671] close(12 [pid 5670] close(17write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5667] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] <... openat resumed>) = 3 [pid 5675] symlink("/dev/binderfs", "./binderfs" [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] <... write resumed>) = 335 [pid 5031] getdents64(3, [pid 5029] fstat(3, [pid 5675] <... symlink resumed>) = 0 [pid 5671] close(13 [pid 5670] close(18 [pid 5667] exit_group(0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5675] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... futex resumed>) = ? [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] <... exit_group resumed>) = ? [pid 5031] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] getdents64(3, [pid 5675] <... futex resumed>) = 0 [pid 5672] +++ exited with 0 +++ [pid 5671] close(14 [pid 5670] close(19) = -1 EBADF (Bad file descriptor) [pid 5670] close(20) = -1 EBADF (Bad file descriptor) [pid 5667] +++ exited with 0 +++ [pid 5675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4e92ba3000 [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] close(21 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=96, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5675] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5671] close(15 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./49/binderfs", [pid 5030] restart_syscall(<... resuming interrupted clone ...> [pid 5029] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5675] <... mprotect resumed>) = 0 [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] close(22 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] <... restart_syscall resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5675] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5671] close(16 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5676 attached [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] close(23 [pid 5031] unlink("./49/binderfs" [pid 5029] lstat("./47/binderfs", [pid 5676] set_robust_list(0x7f4e92bc39e0, 24 [pid 5675] <... clone resumed>, parent_tid=[107], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 107 [pid 5671] close(17 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5030] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5676] <... set_robust_list resumed>) = 0 [pid 5675] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] close(24 [pid 5031] umount2("./49/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5676] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5675] <... futex resumed>) = 0 [pid 5671] close(18 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] unlink("./47/binderfs" [pid 5676] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5675] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] close(25 [pid 5031] lstat("./49/cgroup.net", [pid 5030] <... openat resumed>) = 3 [pid 5676] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] fstat(3, [pid 5676] <... futex resumed>) = 0 [pid 5675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5671] close(19 [pid 5670] close(26 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5676] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5675] close(3 [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./49/cgroup.net" [pid 5030] getdents64(3, [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5671] close(20 [pid 5670] close(27 [pid 5031] <... unlink resumed>) = 0 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] umount2("./47/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5675] close(4 [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./49/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5671] close(21 [pid 5670] close(28 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./47/cgroup.net", [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./47/binderfs", [pid 5670] close(29 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./47/binderfs"write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5675] close(5 [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] lstat("./49/cgroup.cpu", [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5671] close(22 [pid 5670] <... write resumed>) = 335 [pid 5030] umount2("./47/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5675] close(6 [pid 5670] exit_group(0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./47/cgroup.net" [pid 5673] <... futex resumed>) = ? [pid 5670] <... exit_group resumed>) = ? [pid 5030] lstat("./47/cgroup.net", [pid 5673] +++ exited with 0 +++ [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] +++ exited with 0 +++ [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5030] unlink("./47/cgroup.net" [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5671] close(23 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./49/cgroup.cpu" [pid 5030] <... unlink resumed>) = 0 [pid 5029] umount2("./47/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5675] close(7 [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5030] umount2("./47/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5671] close(24 [pid 5031] umount2("./49/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5675] close(8 [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] lstat("./47/cgroup.cpu", [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5671] close(25 [pid 5031] lstat("./49/cgroup", [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] lstat("./47/cgroup.cpu", [pid 5675] close(9 [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./47/cgroup.cpu" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5671] close(26 [pid 5030] umount2("./47/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5675] close(10 [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./49/cgroup" [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./47/cgroup.cpu" [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./47/cgroup", [pid 5028] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5675] close(11 [pid 5671] close(27 [pid 5031] <... unlink resumed>) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... openat resumed>) = 3 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] getdents64(3, [pid 5029] <... unlink resumed>) = 0 [pid 5675] close(12 [pid 5671] close(28 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] unlink("./47/cgroup" [pid 5029] umount2("./47/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] fstat(3, [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] close(3 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5675] close(13 [pid 5671] close(29 [pid 5031] <... close resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5029] lstat("./47/cgroup", [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] rmdir("./49" [pid 5030] getdents64(3, [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5675] close(14 [pid 5671] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] <... rmdir resumed>) = 0 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] unlink("./47/cgroup" [pid 5028] getdents64(3, [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5671] <... write resumed>) = 335 [pid 5031] mkdir("./50", 0777 [pid 5030] close(3 [pid 5029] <... unlink resumed>) = 0 [pid 5675] close(15 [pid 5671] exit_group(0 [pid 5031] <... mkdir resumed>) = 0 [pid 5029] getdents64(3, [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5674] <... futex resumed>) = ? [pid 5671] <... exit_group resumed>) = ? [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] <... close resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5675] close(16 [pid 5674] +++ exited with 0 +++ [pid 5671] +++ exited with 0 +++ [pid 5030] rmdir("./47" [pid 5028] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5677 attached [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... rmdir resumed>) = 0 [pid 5029] close(3 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5677] set_robust_list(0x55555580e6e0, 24 [pid 5675] close(17 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=102, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 102 [pid 5030] mkdir("./48", 0777 [pid 5029] <... close resumed>) = 0 [pid 5677] <... set_robust_list resumed>) = 0 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] restart_syscall(<... resuming interrupted clone ...> [pid 5029] rmdir("./47" [pid 5028] lstat("./46/binderfs", [pid 5677] chdir("./50" [pid 5675] close(18 [pid 5032] <... restart_syscall resumed>) = 0 [pid 5030] <... mkdir resumed>) = 0 [pid 5029] <... rmdir resumed>) = 0 [pid 5677] <... chdir resumed>) = 0 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] mkdir("./48", 0777 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5677] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5675] close(19 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] <... mkdir resumed>) = 0 [pid 5677] <... prctl resumed>) = 0 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] unlink("./46/binderfs"./strace-static-x86_64: Process 5679 attached ./strace-static-x86_64: Process 5678 attached [pid 5677] setpgid(0, 0 [pid 5675] close(20 [pid 5032] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5679] set_robust_list(0x55555580e6e0, 24 [pid 5678] set_robust_list(0x55555580e6e0, 24 [pid 5677] <... setpgid resumed>) = 0 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... unlink resumed>) = 0 [pid 5679] <... set_robust_list resumed>) = 0 [pid 5678] <... set_robust_list resumed>) = 0 [pid 5677] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5675] close(21 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 98 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 98 [pid 5679] chdir("./48" [pid 5678] chdir("./48" [pid 5677] <... symlink resumed>) = 0 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] umount2("./46/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5679] <... chdir resumed>) = 0 [pid 5677] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5675] close(22 [pid 5679] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5678] <... chdir resumed>) = 0 [pid 5677] <... symlink resumed>) = 0 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... openat resumed>) = 3 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5679] <... prctl resumed>) = 0 [pid 5678] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5677] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5675] close(23 [pid 5032] fstat(3, [pid 5679] setpgid(0, 0 [pid 5678] <... prctl resumed>) = 0 [pid 5677] <... symlink resumed>) = 0 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] lstat("./46/cgroup.net", [pid 5679] <... setpgid resumed>) = 0 [pid 5678] setpgid(0, 0 [pid 5677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5675] close(24 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5679] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5678] <... setpgid resumed>) = 0 [pid 5677] <... openat resumed>) = 3 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] getdents64(3, [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5679] <... symlink resumed>) = 0 [pid 5677] write(3, "1000", 4 [pid 5675] close(25 [pid 5679] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5677] <... write resumed>) = 4 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] <... symlink resumed>) = 0 [pid 5677] close(3 [pid 5675] close(26 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] unlink("./46/cgroup.net" [pid 5679] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5678] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5677] <... close resumed>) = 0 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 [pid 5679] <... symlink resumed>) = 0 [pid 5678] <... symlink resumed>) = 0 [pid 5677] read(200, [pid 5675] close(27 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5678] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5677] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./50/binderfs", [pid 5028] umount2("./46/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5679] <... openat resumed>) = 3 [pid 5678] <... symlink resumed>) = 0 [pid 5677] symlink("/dev/binderfs", "./binderfs" [pid 5675] close(28 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5678] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5028] lstat("./46/cgroup.cpu", [pid 5679] write(3, "1000", 4 [pid 5678] <... symlink resumed>) = 0 [pid 5677] <... symlink resumed>) = 0 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5679] <... write resumed>) = 4 [pid 5678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5677] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] close(29 [pid 5032] unlink("./50/binderfs" [pid 5028] unlink("./46/cgroup.cpu" [pid 5679] close(3 [pid 5678] <... openat resumed>) = 3 [pid 5677] <... futex resumed>) = 0 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5679] <... close resumed>) = 0 [pid 5678] write(3, "1000", 4 [pid 5677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5028] umount2("./46/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5679] read(200, [pid 5678] <... write resumed>) = 4 [pid 5675] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] umount2("./50/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5678] close(3 [pid 5028] lstat("./46/cgroup", [pid 5678] <... close resumed>) = 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5675] <... write resumed>) = 335 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5677] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5679] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5678] read(200, [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./46/cgroup" [pid 5679] symlink("/dev/binderfs", "./binderfs" [pid 5678] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5677] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5675] exit_group(0 [pid 5032] lstat("./50/cgroup.net", [pid 5028] <... unlink resumed>) = 0 [pid 5678] symlink("/dev/binderfs", "./binderfs" [pid 5028] getdents64(3, [pid 5679] <... symlink resumed>) = 0 [pid 5678] <... symlink resumed>) = 0 [pid 5677] <... mprotect resumed>) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5679] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] <... futex resumed>) = ? [pid 5675] <... exit_group resumed>) = ? [pid 5028] close(3 [pid 5679] <... futex resumed>) = 0 [pid 5678] <... futex resumed>) = 0 [pid 5677] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5676] +++ exited with 0 +++ [pid 5032] unlink("./50/cgroup.net" [pid 5028] <... close resumed>) = 0 [pid 5678] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5028] rmdir("./46" [pid 5678] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5028] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5680 attached [pid 5679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5678] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5675] +++ exited with 0 +++ [pid 5032] <... unlink resumed>) = 0 [pid 5028] mkdir("./47", 0777 [pid 5680] set_robust_list(0x7f4e92bc39e0, 24 [pid 5679] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5678] <... mprotect resumed>) = 0 [pid 5677] <... clone resumed>, parent_tid=[103], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 103 [pid 5032] umount2("./50/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5679] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5678] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5677] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=106, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5681 attached [pid 5680] <... set_robust_list resumed>) = 0 [pid 5679] <... mprotect resumed>) = 0 [pid 5677] <... futex resumed>) = 0 [pid 5033] restart_syscall(<... resuming interrupted clone ...> [pid 5032] lstat("./50/cgroup.cpu", [pid 5028] <... mkdir resumed>) = 0 [pid 5681] set_robust_list(0x7f4e92bc39e0, 24 [pid 5680] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5679] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5678] <... clone resumed>, parent_tid=[99], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 99 [pid 5677] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5033] <... restart_syscall resumed>) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5682 attached [pid 5681] <... set_robust_list resumed>) = 0 [pid 5678] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] unlink("./50/cgroup.cpu" [pid 5682] set_robust_list(0x7f4e92bc39e0, 24 [pid 5681] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5679] <... clone resumed>, parent_tid=[99], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 99 [pid 5678] <... futex resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5682] <... set_robust_list resumed>) = 0 [pid 5681] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5679] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5033] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] umount2("./50/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5683 attached [pid 5682] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5681] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5679] <... futex resumed>) = 0 [pid 5678] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5683] set_robust_list(0x55555580e6e0, 24 [pid 5682] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5681] <... futex resumed>) = 0 [pid 5680] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5679] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5678] close(3 [pid 5033] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] lstat("./50/cgroup", [pid 5682] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... openat resumed>) = 3 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5682] <... futex resumed>) = 0 [pid 5680] <... futex resumed>) = 1 [pid 5679] close(3 [pid 5678] close(4 [pid 5677] <... futex resumed>) = 0 [pid 5033] fstat(3, [pid 5032] unlink("./50/cgroup" [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 96 [pid 5683] <... set_robust_list resumed>) = 0 [pid 5682] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5680] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(3 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5683] chdir("./47" [pid 5679] close(4 [pid 5678] close(5 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5032] getdents64(3, [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(4 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5683] <... chdir resumed>) = 0 [pid 5679] close(5 [pid 5678] close(6 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] close(3 [pid 5683] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(5 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... close resumed>) = 0 [pid 5683] <... prctl resumed>) = 0 [pid 5679] close(6 [pid 5678] close(7 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./52/binderfs", [pid 5032] rmdir("./50" [pid 5683] setpgid(0, 0 [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(6 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] <... rmdir resumed>) = 0 [pid 5683] <... setpgid resumed>) = 0 [pid 5679] close(7 [pid 5678] close(8 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./52/binderfs" [pid 5032] mkdir("./51", 0777 [pid 5683] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(7 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... mkdir resumed>) = 0 [pid 5683] <... symlink resumed>) = 0 [pid 5679] close(8 [pid 5678] close(9 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./52/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5684 attached [pid 5683] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(8 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5684] set_robust_list(0x55555580e6e0, 24 [pid 5683] <... symlink resumed>) = 0 [pid 5679] close(9 [pid 5678] close(10 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./52/cgroup.net", [pid 5684] <... set_robust_list resumed>) = 0 [pid 5683] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(9 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 104 [pid 5684] chdir("./51" [pid 5683] <... symlink resumed>) = 0 [pid 5679] close(10 [pid 5678] close(11 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./52/cgroup.net" [pid 5684] <... chdir resumed>) = 0 [pid 5683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(10 [pid 5033] <... unlink resumed>) = 0 [pid 5684] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5679] close(11 [pid 5678] close(12 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./52/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5684] <... prctl resumed>) = 0 [pid 5683] <... openat resumed>) = 3 [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(11 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5684] setpgid(0, 0 [pid 5683] write(3, "1000", 4 [pid 5679] close(12 [pid 5678] close(13 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./52/cgroup.cpu", [pid 5684] <... setpgid resumed>) = 0 [pid 5683] <... write resumed>) = 4 [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(12 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5684] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5683] close(3 [pid 5679] close(13 [pid 5678] close(14 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./52/cgroup.cpu" [pid 5684] <... symlink resumed>) = 0 [pid 5683] <... close resumed>) = 0 [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(13 [pid 5033] <... unlink resumed>) = 0 [pid 5679] close(14 [pid 5678] close(15 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./52/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5684] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5683] read(200, [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(14 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5684] <... symlink resumed>) = 0 [pid 5683] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5679] close(15 [pid 5678] close(16 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./52/cgroup", [pid 5684] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5683] symlink("/dev/binderfs", "./binderfs" [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(15 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5684] <... symlink resumed>) = 0 [pid 5683] <... symlink resumed>) = 0 [pid 5679] close(16 [pid 5678] close(17 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./52/cgroup" [pid 5684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5683] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(16 [pid 5033] <... unlink resumed>) = 0 [pid 5679] close(17 [pid 5678] close(18 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(17 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5684] <... openat resumed>) = 3 [pid 5683] <... futex resumed>) = 0 [pid 5679] close(18 [pid 5678] close(19 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5684] write(3, "1000", 4 [pid 5683] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(18 [pid 5033] <... close resumed>) = 0 [pid 5684] <... write resumed>) = 4 [pid 5683] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5679] close(19 [pid 5678] close(20 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] rmdir("./52" [pid 5684] close(3 [pid 5683] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(19 [pid 5033] <... rmdir resumed>) = 0 [pid 5684] <... close resumed>) = 0 [pid 5683] <... mprotect resumed>) = 0 [pid 5679] close(20 [pid 5678] close(21 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./53", 0777 [pid 5684] read(200, [pid 5683] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(20./strace-static-x86_64: Process 5685 attached [pid 5684] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] <... mkdir resumed>) = 0 [pid 5685] set_robust_list(0x7f4e92bc39e0, 24 [pid 5684] symlink("/dev/binderfs", "./binderfs" [pid 5683] <... clone resumed>, parent_tid=[97], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 97 [pid 5679] close(21 [pid 5678] close(22 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5685] <... set_robust_list resumed>) = 0 [pid 5684] <... symlink resumed>) = 0 [pid 5683] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(21 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5685] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5684] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] <... futex resumed>) = 0 [pid 5679] close(22 [pid 5678] close(23 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5685] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5684] <... futex resumed>) = 0 [pid 5683] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5685] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5686 attached [pid 5685] <... futex resumed>) = 0 [pid 5684] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5683] close(3 [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(22 [pid 5686] set_robust_list(0x55555580e6e0, 24 [pid 5685] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5684] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5686] <... set_robust_list resumed>) = 0 [pid 5684] <... mprotect resumed>) = 0 [pid 5683] close(4 [pid 5679] close(23 [pid 5678] close(24 [pid 5686] chdir("./53" [pid 5684] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 108 ./strace-static-x86_64: Process 5687 attached [pid 5686] <... chdir resumed>) = 0 [pid 5683] close(5 [pid 5679] close(24 [pid 5678] close(25 [pid 5687] set_robust_list(0x7f4e92bc39e0, 24 [pid 5686] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5684] <... clone resumed>, parent_tid=[105], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 105 [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(23 [pid 5687] <... set_robust_list resumed>) = 0 [pid 5686] <... prctl resumed>) = 0 [pid 5684] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] close(6 [pid 5687] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5686] setpgid(0, 0 [pid 5684] <... futex resumed>) = 0 [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] close(25 [pid 5678] close(26 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5687] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5686] <... setpgid resumed>) = 0 [pid 5684] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5683] close(7 [pid 5687] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(24 [pid 5687] <... futex resumed>) = 0 [pid 5686] <... symlink resumed>) = 0 [pid 5684] close(3 [pid 5683] close(8 [pid 5679] close(26 [pid 5678] close(27 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5687] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5686] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(25 [pid 5686] <... symlink resumed>) = 0 [pid 5684] close(4 [pid 5683] close(9 [pid 5679] close(27 [pid 5678] close(28 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5686] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(26 [pid 5686] <... symlink resumed>) = 0 [pid 5684] close(5 [pid 5683] close(10 [pid 5686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5686] <... openat resumed>) = 3 [pid 5684] close(6 [pid 5683] close(11 [pid 5686] write(3, "1000", 4 [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] close(28 [pid 5678] close(29 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5686] <... write resumed>) = 4 [pid 5684] close(7 [pid 5683] close(12write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(27 [pid 5686] close(3 [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5686] <... close resumed>) = 0 [pid 5684] close(8 [pid 5683] close(13 [pid 5679] close(29 [pid 5678] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5686] read(200, [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] <... write resumed>) = 335 [pid 5677] close(28 [pid 5686] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5684] close(9 [pid 5683] close(14write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5686] symlink("/dev/binderfs", "./binderfs" [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5678] exit_group(0 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5686] <... symlink resumed>) = 0 [pid 5684] close(10 [pid 5683] close(15write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5679] <... write resumed>) = 335 [pid 5686] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5681] <... futex resumed>) = ? [pid 5678] <... exit_group resumed>) = ? [pid 5677] close(29 [pid 5686] <... futex resumed>) = 0 [pid 5684] close(11 [pid 5683] close(16 [pid 5681] +++ exited with 0 +++ [pid 5679] exit_group(0 [pid 5686] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5686] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5684] close(12 [pid 5683] close(17 [pid 5686] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] +++ exited with 0 +++ [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5686] <... mprotect resumed>) = 0 [pid 5684] close(13 [pid 5683] close(18 [pid 5682] <... futex resumed>) = ? [pid 5679] <... exit_group resumed>) = ? [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=98, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5686] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5682] +++ exited with 0 +++ [pid 5677] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335./strace-static-x86_64: Process 5688 attached [pid 5684] close(14 [pid 5683] close(19 [pid 5677] <... write resumed>) = 335 [pid 5688] set_robust_list(0x7f4e92bc39e0, 24 [pid 5686] <... clone resumed>, parent_tid=[109], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 109 [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] exit_group(0 [pid 5030] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5688] <... set_robust_list resumed>) = 0 [pid 5686] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] close(15 [pid 5683] close(20 [pid 5680] <... futex resumed>) = ? [pid 5679] +++ exited with 0 +++ [pid 5677] <... exit_group resumed>) = ? [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5688] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5686] <... futex resumed>) = 0 [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5680] +++ exited with 0 +++ [pid 5030] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=98, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5688] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5686] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5684] close(16 [pid 5683] close(21 [pid 5677] +++ exited with 0 +++ [pid 5030] <... openat resumed>) = 3 [pid 5688] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=102, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5030] fstat(3, [pid 5688] <... futex resumed>) = 0 [pid 5686] close(3 [pid 5684] close(17 [pid 5683] close(22 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5688] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] getdents64(3, [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5686] close(4 [pid 5684] close(18 [pid 5683] close(23 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... openat resumed>) = 3 [pid 5686] close(5 [pid 5684] close(19 [pid 5683] close(24 [pid 5031] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] fstat(3, [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] lstat("./48/binderfs", [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5686] close(6 [pid 5684] close(20 [pid 5683] close(25 [pid 5031] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] getdents64(3, [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... openat resumed>) = 3 [pid 5030] unlink("./48/binderfs" [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5686] close(7 [pid 5684] close(21 [pid 5683] close(26 [pid 5031] fstat(3, [pid 5030] <... unlink resumed>) = 0 [pid 5029] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] umount2("./48/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5686] close(8 [pid 5684] close(22 [pid 5683] close(27 [pid 5031] getdents64(3, [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./48/binderfs", [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] lstat("./48/cgroup.net", [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5686] close(9 [pid 5684] close(23 [pid 5683] close(28 [pid 5031] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] unlink("./48/binderfs" [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] unlink("./48/cgroup.net" [pid 5029] <... unlink resumed>) = 0 [pid 5686] close(10 [pid 5684] close(24 [pid 5683] close(29 [pid 5031] lstat("./50/binderfs", [pid 5030] <... unlink resumed>) = 0 [pid 5029] umount2("./48/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] umount2("./48/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5686] close(11 [pid 5684] close(25write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5683] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] unlink("./50/binderfs" [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./48/cgroup.net", [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... write resumed>) = 335 [pid 5031] <... unlink resumed>) = 0 [pid 5030] lstat("./48/cgroup.cpu", [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5686] close(12 [pid 5684] close(26 [pid 5683] exit_group(0 [pid 5031] umount2("./50/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] unlink("./48/cgroup.net" [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5685] <... futex resumed>) = ? [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... exit_group resumed>) = ? [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] unlink("./48/cgroup.cpu" [pid 5029] <... unlink resumed>) = 0 [pid 5686] close(13 [pid 5685] +++ exited with 0 +++ [pid 5684] close(27 [pid 5683] +++ exited with 0 +++ [pid 5031] lstat("./50/cgroup.net", [pid 5030] <... unlink resumed>) = 0 [pid 5029] umount2("./48/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] umount2("./48/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=96, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5686] close(14 [pid 5684] close(28 [pid 5031] unlink("./50/cgroup.net" [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./48/cgroup.cpu", [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5030] lstat("./48/cgroup", [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5686] close(15 [pid 5684] close(29 [pid 5031] umount2("./50/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] unlink("./48/cgroup.cpu" [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] unlink("./48/cgroup" [pid 5029] <... unlink resumed>) = 0 [pid 5686] close(16 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5684] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] lstat("./50/cgroup.cpu", [pid 5030] <... unlink resumed>) = 0 [pid 5029] umount2("./48/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5684] <... write resumed>) = 335 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] getdents64(3, [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5686] close(17 [pid 5684] exit_group(0 [pid 5031] unlink("./50/cgroup.cpu" [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] lstat("./48/cgroup", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5687] <... futex resumed>) = ? [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5684] <... exit_group resumed>) = ? [pid 5031] <... unlink resumed>) = 0 [pid 5030] close(3 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5687] +++ exited with 0 +++ [pid 5686] close(18 [pid 5684] +++ exited with 0 +++ [pid 5031] umount2("./50/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... close resumed>) = 0 [pid 5029] unlink("./48/cgroup" [pid 5028] <... openat resumed>) = 3 [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] rmdir("./48" [pid 5029] <... unlink resumed>) = 0 [pid 5028] fstat(3, [pid 5686] close(19 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=104, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5031] lstat("./50/cgroup", [pid 5030] <... rmdir resumed>) = 0 [pid 5029] getdents64(3, [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] mkdir("./49", 0777 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] getdents64(3, [pid 5686] close(20 [pid 5031] unlink("./50/cgroup" [pid 5030] <... mkdir resumed>) = 0 [pid 5029] close(3 [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... unlink resumed>) = 0 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] <... close resumed>) = 0 [pid 5028] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5686] close(21 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] getdents64(3, ./strace-static-x86_64: Process 5689 attached [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] rmdir("./48" [pid 5032] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5689] set_robust_list(0x55555580e6e0, 24 [pid 5686] close(22 [pid 5032] <... openat resumed>) = 3 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 100 [pid 5029] <... rmdir resumed>) = 0 [pid 5689] <... set_robust_list resumed>) = 0 [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] fstat(3, [pid 5031] close(3 [pid 5028] lstat("./47/binderfs", [pid 5689] chdir("./49" [pid 5686] close(23 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] <... close resumed>) = 0 [pid 5029] mkdir("./49", 0777 [pid 5689] <... chdir resumed>) = 0 [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] getdents64(3, [pid 5031] rmdir("./50" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5689] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5686] close(24 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] <... rmdir resumed>) = 0 [pid 5029] <... mkdir resumed>) = 0 [pid 5689] <... prctl resumed>) = 0 [pid 5028] unlink("./47/binderfs" [pid 5689] setpgid(0, 0 [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] mkdir("./51", 0777 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5689] <... setpgid resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5689] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... mkdir resumed>) = 0 [pid 5689] <... symlink resumed>) = 0 [pid 5689] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 5686] close(25 [pid 5032] lstat("./51/binderfs", [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] umount2("./47/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5690 attached [pid 5689] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5689] <... symlink resumed>) = 0 [pid 5686] close(26 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5032] unlink("./51/binderfs" [pid 5689] <... openat resumed>) = 3 [pid 5028] lstat("./47/cgroup.net", [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] write(3, "1000", 4 [pid 5032] <... unlink resumed>) = 0 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 100 ./strace-static-x86_64: Process 5691 attached [pid 5690] set_robust_list(0x55555580e6e0, 24 [pid 5689] <... write resumed>) = 4 [pid 5686] close(27 [pid 5032] umount2("./51/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5691] set_robust_list(0x55555580e6e0, 24 [pid 5690] <... set_robust_list resumed>) = 0 [pid 5689] close(3 [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./47/cgroup.net" [pid 5691] <... set_robust_list resumed>) = 0 [pid 5690] chdir("./49" [pid 5689] <... close resumed>) = 0 [pid 5686] close(28 [pid 5032] lstat("./51/cgroup.net", [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 104 [pid 5028] <... unlink resumed>) = 0 [pid 5691] chdir("./51" [pid 5690] <... chdir resumed>) = 0 [pid 5689] read(200, [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] umount2("./47/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5691] <... chdir resumed>) = 0 [pid 5690] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5689] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5686] close(29 [pid 5032] unlink("./51/cgroup.net" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5691] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5690] <... prctl resumed>) = 0 [pid 5689] symlink("/dev/binderfs", "./binderfs" [pid 5686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5691] <... prctl resumed>) = 0 [pid 5690] setpgid(0, 0 [pid 5689] <... symlink resumed>) = 0 [pid 5686] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] <... unlink resumed>) = 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5028] lstat("./47/cgroup.cpu", [pid 5691] setpgid(0, 0 [pid 5690] <... setpgid resumed>) = 0 [pid 5689] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] <... write resumed>) = 335 [pid 5032] umount2("./51/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5691] <... setpgid resumed>) = 0 [pid 5690] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5689] <... futex resumed>) = 0 [pid 5686] exit_group(0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./47/cgroup.cpu" [pid 5691] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5690] <... symlink resumed>) = 0 [pid 5689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5688] <... futex resumed>) = ? [pid 5686] <... exit_group resumed>) = ? [pid 5032] lstat("./51/cgroup.cpu", [pid 5028] <... unlink resumed>) = 0 [pid 5691] <... symlink resumed>) = 0 [pid 5690] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5689] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5688] +++ exited with 0 +++ [pid 5691] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5689] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5691] <... symlink resumed>) = 0 [pid 5689] <... mprotect resumed>) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5691] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5690] <... symlink resumed>) = 0 [pid 5689] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5686] +++ exited with 0 +++ [pid 5028] umount2("./47/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5692 attached [pid 5691] <... symlink resumed>) = 0 [pid 5690] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5032] unlink("./51/cgroup.cpu" [pid 5692] set_robust_list(0x7f4e92bc39e0, 24 [pid 5691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5689] <... clone resumed>, parent_tid=[101], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 101 [pid 5692] <... set_robust_list resumed>) = 0 [pid 5691] <... openat resumed>) = 3 [pid 5690] <... symlink resumed>) = 0 [pid 5689] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=108, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5032] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5692] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5691] write(3, "1000", 4 [pid 5690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5689] <... futex resumed>) = 0 [pid 5692] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5691] <... write resumed>) = 4 [pid 5690] <... openat resumed>) = 3 [pid 5689] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5032] umount2("./51/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] lstat("./47/cgroup", [pid 5692] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] close(3 [pid 5690] write(3, "1000", 4 [pid 5689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5692] <... futex resumed>) = 0 [pid 5691] <... close resumed>) = 0 [pid 5690] <... write resumed>) = 4 [pid 5689] close(3 [pid 5692] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5691] read(200, [pid 5690] close(3 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./51/cgroup", [pid 5028] unlink("./47/cgroup" [pid 5691] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5690] <... close resumed>) = 0 [pid 5689] close(4 [pid 5033] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5691] symlink("/dev/binderfs", "./binderfs" [pid 5690] read(200, [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] unlink("./51/cgroup" [pid 5028] getdents64(3, [pid 5690] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] <... unlink resumed>) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5691] <... symlink resumed>) = 0 [pid 5690] symlink("/dev/binderfs", "./binderfs" [pid 5689] close(5 [pid 5033] <... openat resumed>) = 3 [pid 5032] getdents64(3, [pid 5028] close(3 [pid 5691] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... symlink resumed>) = 0 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5691] <... futex resumed>) = 0 [pid 5690] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] close(6 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] close(3 [pid 5028] <... close resumed>) = 0 [pid 5691] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5690] <... futex resumed>) = 0 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5032] <... close resumed>) = 0 [pid 5028] rmdir("./47" [pid 5691] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5689] close(7 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] rmdir("./51" [pid 5028] <... rmdir resumed>) = 0 [pid 5691] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5690] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5691] <... mprotect resumed>) = 0 [pid 5690] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5689] close(8 [pid 5033] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... rmdir resumed>) = 0 [pid 5028] mkdir("./48", 0777 [pid 5691] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5693 attached [pid 5689] close(9 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] mkdir("./52", 0777 [pid 5028] <... mkdir resumed>) = 0 [pid 5693] set_robust_list(0x7f4e92bc39e0, 24 [pid 5691] <... clone resumed>, parent_tid=[105], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 105 [pid 5690] <... mprotect resumed>) = 0 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./53/binderfs", [pid 5032] <... mkdir resumed>) = 0 [pid 5693] <... set_robust_list resumed>) = 0 [pid 5691] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5689] close(10 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5694 attached [pid 5693] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5691] <... futex resumed>) = 0 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5691] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5689] close(11 [pid 5693] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5690] <... clone resumed>, parent_tid=[101], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 101 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./53/binderfs" [pid 5694] set_robust_list(0x7f4e92bc39e0, 24 [pid 5693] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] close(12 [pid 5033] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5695 attached [pid 5694] <... set_robust_list resumed>) = 0 [pid 5693] <... futex resumed>) = 1 [pid 5691] <... futex resumed>) = 0 [pid 5690] <... futex resumed>) = 0 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./53/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5696 attached [pid 5695] set_robust_list(0x55555580e6e0, 24 [pid 5694] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5693] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5691] close(3 [pid 5690] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5689] close(13 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5696] set_robust_list(0x55555580e6e0, 24 [pid 5695] <... set_robust_list resumed>) = 0 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./53/cgroup.net", [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 106 [pid 5696] <... set_robust_list resumed>) = 0 [pid 5695] chdir("./52" [pid 5694] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] close(14 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 98 [pid 5696] chdir("./48" [pid 5695] <... chdir resumed>) = 0 [pid 5694] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] close(4 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./53/cgroup.net" [pid 5696] <... chdir resumed>) = 0 [pid 5695] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5694] <... futex resumed>) = 1 [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... futex resumed>) = 0 [pid 5689] close(15 [pid 5696] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5695] <... prctl resumed>) = 0 [pid 5694] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5691] close(5 [pid 5690] close(3 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5696] <... prctl resumed>) = 0 [pid 5695] setpgid(0, 0 [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] close(16 [pid 5696] setpgid(0, 0 [pid 5695] <... setpgid resumed>) = 0 [pid 5691] close(6 [pid 5690] close(4 [pid 5033] umount2("./53/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5696] <... setpgid resumed>) = 0 [pid 5695] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5696] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5695] <... symlink resumed>) = 0 [pid 5691] close(7 [pid 5690] close(5 [pid 5689] close(17 [pid 5033] lstat("./53/cgroup.cpu", [pid 5696] <... symlink resumed>) = 0 [pid 5695] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5696] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5695] <... symlink resumed>) = 0 [pid 5691] close(8 [pid 5690] close(6 [pid 5689] close(18 [pid 5033] unlink("./53/cgroup.cpu" [pid 5696] <... symlink resumed>) = 0 [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5696] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5691] close(9 [pid 5690] close(7 [pid 5033] <... unlink resumed>) = 0 [pid 5696] <... symlink resumed>) = 0 [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5691] close(10 [pid 5690] close(8 [pid 5033] umount2("./53/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5696] <... openat resumed>) = 3 [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5696] write(3, "1000", 4 [pid 5695] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5691] close(11 [pid 5690] close(9 [pid 5689] close(19 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5696] <... write resumed>) = 4 [pid 5695] <... symlink resumed>) = 0 [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5696] close(3 [pid 5695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5691] close(12 [pid 5690] close(10 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./53/cgroup", [pid 5696] <... close resumed>) = 0 [pid 5695] <... openat resumed>) = 3 [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] close(20 [pid 5696] read(200, [pid 5695] write(3, "1000", 4 [pid 5691] close(13 [pid 5690] close(11 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5696] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5695] <... write resumed>) = 4 [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5696] symlink("/dev/binderfs", "./binderfs" [pid 5695] close(3 [pid 5691] close(14 [pid 5690] close(12 [pid 5033] unlink("./53/cgroup" [pid 5696] <... symlink resumed>) = 0 [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] close(21 [pid 5696] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] <... close resumed>) = 0 [pid 5691] close(15 [pid 5690] close(13 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5696] <... futex resumed>) = 0 [pid 5695] read(200, [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] close(22 [pid 5033] getdents64(3, [pid 5696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5691] close(16 [pid 5690] close(14 [pid 5696] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5695] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5696] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5691] close(17 [pid 5690] close(15 [pid 5696] <... mprotect resumed>) = 0 [pid 5695] symlink("/dev/binderfs", "./binderfs" [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] close(23 [pid 5033] close(3 [pid 5696] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5691] close(18 [pid 5690] close(16./strace-static-x86_64: Process 5697 attached [pid 5695] <... symlink resumed>) = 0 [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = 0 [pid 5697] set_robust_list(0x7f4e92bc39e0, 24 [pid 5696] <... clone resumed>, parent_tid=[99], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 99 [pid 5695] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] close(19 [pid 5690] close(17 [pid 5689] close(24 [pid 5033] rmdir("./53" [pid 5697] <... set_robust_list resumed>) = 0 [pid 5696] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5697] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5696] <... futex resumed>) = 0 [pid 5691] close(20 [pid 5690] close(18 [pid 5697] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5696] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5695] <... futex resumed>) = 0 [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... rmdir resumed>) = 0 [pid 5697] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5691] close(21 [pid 5690] close(19 [pid 5689] close(25 [pid 5033] mkdir("./54", 0777 [pid 5697] <... futex resumed>) = 0 [pid 5696] close(3 [pid 5695] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5697] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5691] close(22 [pid 5690] close(20 [pid 5689] close(26 [pid 5033] <... mkdir resumed>) = 0 [pid 5696] close(4 [pid 5695] <... mprotect resumed>) = 0 [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5691] close(23 [pid 5690] close(21 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5696] close(5 [pid 5695] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] close(27 [pid 5696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5691] close(24 [pid 5690] close(22 [pid 5696] close(6 [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5691] close(25 [pid 5690] close(23./strace-static-x86_64: Process 5698 attached [pid 5696] close(7 [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5699 attached [pid 5698] set_robust_list(0x55555580e6e0, 24 [pid 5696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5691] close(26 [pid 5690] close(24 [pid 5689] close(28 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 110 [pid 5699] set_robust_list(0x7f4e92bc39e0, 24 [pid 5698] <... set_robust_list resumed>) = 0 [pid 5696] close(8 [pid 5695] <... clone resumed>, parent_tid=[107], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 107 [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] <... set_robust_list resumed>) = 0 [pid 5698] chdir("./54" [pid 5696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] close(27 [pid 5690] close(25 [pid 5689] close(29 [pid 5699] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5698] <... chdir resumed>) = 0 [pid 5696] close(9 [pid 5695] <... futex resumed>) = 0 [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5699] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5698] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5691] close(28 [pid 5690] close(26 [pid 5689] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5699] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5698] <... prctl resumed>) = 0 [pid 5696] close(10 [pid 5695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] <... write resumed>) = 335 [pid 5699] <... futex resumed>) = 0 [pid 5698] setpgid(0, 0 [pid 5695] close(3 [pid 5689] exit_group(0write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5691] close(29 [pid 5690] close(27 [pid 5699] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5698] <... setpgid resumed>) = 0 [pid 5696] close(11 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5692] <... futex resumed>) = ? [pid 5691] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] <... exit_group resumed>) = ? [pid 5698] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] close(4 [pid 5692] +++ exited with 0 +++ [pid 5691] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5690] close(28 [pid 5689] +++ exited with 0 +++ [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] close(5 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=100, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5691] <... write resumed>) = 335 [pid 5030] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5698] <... symlink resumed>) = 0 [pid 5695] close(6 [pid 5691] exit_group(0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5696] close(12 [pid 5698] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] <... futex resumed>) = ? [pid 5691] <... exit_group resumed>) = ? [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5698] <... symlink resumed>) = 0 [pid 5696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] close(7 [pid 5693] +++ exited with 0 +++ [pid 5030] <... openat resumed>) = 3 [pid 5698] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5696] close(13 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] close(29 [pid 5030] fstat(3, [pid 5695] close(8 [pid 5691] +++ exited with 0 +++ [pid 5698] <... symlink resumed>) = 0 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] getdents64(3, write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5698] <... openat resumed>) = 3 [pid 5696] close(14 [pid 5695] close(9 [pid 5690] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=104, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5698] write(3, "1000", 4 [pid 5696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... write resumed>) = 335 [pid 5031] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5698] <... write resumed>) = 4 [pid 5696] close(15 [pid 5695] close(10 [pid 5690] exit_group(0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5698] close(3 [pid 5696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... futex resumed>) = ? [pid 5690] <... exit_group resumed>) = ? [pid 5031] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5698] <... close resumed>) = 0 [pid 5696] close(16 [pid 5695] close(11 [pid 5694] +++ exited with 0 +++ [pid 5690] +++ exited with 0 +++ [pid 5031] <... openat resumed>) = 3 [pid 5030] lstat("./49/binderfs", [pid 5698] read(200, [pid 5696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] fstat(3, [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=100, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5698] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5696] close(17 [pid 5695] close(12 [pid 5030] unlink("./49/binderfs" [pid 5698] symlink("/dev/binderfs", "./binderfs" [pid 5696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5698] <... symlink resumed>) = 0 [pid 5696] close(18 [pid 5695] close(13 [pid 5031] getdents64(3, [pid 5030] <... unlink resumed>) = 0 [pid 5698] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] umount2("./49/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5698] <... futex resumed>) = 0 [pid 5696] close(19 [pid 5695] close(14 [pid 5031] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5698] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] lstat("./49/cgroup.net", [pid 5029] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5698] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5696] close(20 [pid 5695] close(15 [pid 5031] lstat("./51/binderfs", [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5698] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] unlink("./49/cgroup.net" [pid 5029] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5698] <... mprotect resumed>) = 0 [pid 5696] close(21 [pid 5695] close(16 [pid 5031] unlink("./51/binderfs" [pid 5030] <... unlink resumed>) = 0 [pid 5698] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5700 attached [pid 5696] close(22 [pid 5031] <... unlink resumed>) = 0 [pid 5030] umount2("./49/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5698] <... clone resumed>, parent_tid=[111], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 111 [pid 5696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] set_robust_list(0x7f4e92bc39e0, 24 [pid 5698] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] close(23 [pid 5695] close(17 [pid 5031] umount2("./51/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] fstat(3, [pid 5700] <... set_robust_list resumed>) = 0 [pid 5698] <... futex resumed>) = 0 [pid 5696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5698] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5696] close(24 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] lstat("./49/cgroup.cpu", [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5700] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] close(18 [pid 5696] close(25) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./51/cgroup.net", [pid 5700] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5696] close(26 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] getdents64(3, [pid 5696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] close(27 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5695] close(19 [pid 5700] <... futex resumed>) = 1 [pid 5698] <... futex resumed>) = 0 [pid 5696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./49/cgroup.cpu" [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5700] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5698] close(3 [pid 5696] close(28 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./51/cgroup.net" [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] close(20 [pid 5030] <... unlink resumed>) = 0 [pid 5029] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5698] close(4 [pid 5696] close(29 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5030] umount2("./49/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5696] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5698] close(5 [pid 5696] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5695] close(21 [pid 5031] umount2("./51/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5696] <... write resumed>) = 335 [pid 5698] close(6 [pid 5696] exit_group(0 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] lstat("./49/cgroup", [pid 5029] lstat("./49/binderfs", [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5697] <... futex resumed>) = ? [pid 5696] <... exit_group resumed>) = ? [pid 5698] close(7 [pid 5697] +++ exited with 0 +++ [pid 5695] close(22 [pid 5031] lstat("./51/cgroup.cpu", [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5696] +++ exited with 0 +++ [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] unlink("./49/cgroup" [pid 5029] unlink("./49/binderfs" [pid 5698] close(8 [pid 5695] close(23 [pid 5031] unlink("./51/cgroup.cpu" [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=98, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5029] umount2("./49/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] close(24 [pid 5031] umount2("./51/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] getdents64(3, [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5698] close(9 [pid 5028] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] lstat("./49/cgroup.net", [pid 5028] <... openat resumed>) = 3 [pid 5698] close(10 [pid 5695] close(25 [pid 5028] fstat(3, [pid 5031] lstat("./51/cgroup", [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] close(3 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] getdents64(3, 0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] unlink("./48/binderfs") = 0 [pid 5028] umount2("./48/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./48/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] unlink("./48/cgroup.net") = 0 [pid 5698] close(11 [pid 5695] close(26 [pid 5031] unlink("./51/cgroup" [pid 5030] <... close resumed>) = 0 [pid 5029] unlink("./49/cgroup.net" [pid 5028] umount2("./48/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... unlink resumed>) = 0 [pid 5030] rmdir("./49" [pid 5028] lstat("./48/cgroup.cpu", [pid 5029] <... unlink resumed>) = 0 [pid 5030] <... rmdir resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5698] close(12 [pid 5695] close(27 [pid 5031] getdents64(3, [pid 5030] mkdir("./50", 0777 [pid 5029] umount2("./49/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./48/cgroup.cpu" [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 5698] close(13 [pid 5695] close(28 [pid 5031] close(3 [pid 5030] <... mkdir resumed>) = 0 [pid 5029] lstat("./49/cgroup.cpu", [pid 5028] umount2("./48/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./48/cgroup", [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] <... close resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5695] close(29 [pid 5028] unlink("./48/cgroup" [pid 5698] close(14 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] rmdir("./51" [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] unlink("./49/cgroup.cpu" [pid 5028] <... unlink resumed>) = 0 [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5028] getdents64(3, [pid 5031] <... rmdir resumed>) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] <... unlink resumed>) = 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5028] close(3./strace-static-x86_64: Process 5701 attached [pid 5698] close(15 [pid 5695] <... write resumed>) = 335 [pid 5031] mkdir("./52", 0777 [pid 5029] umount2("./49/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... close resumed>) = 0 [pid 5701] set_robust_list(0x55555580e6e0, 24 [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] exit_group(0 [pid 5031] <... mkdir resumed>) = 0 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 102 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] rmdir("./48" [pid 5701] <... set_robust_list resumed>) = 0 [pid 5699] <... futex resumed>) = ? [pid 5698] close(16 [pid 5695] <... exit_group resumed>) = ? [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] lstat("./49/cgroup", [pid 5028] <... rmdir resumed>) = 0 [pid 5701] chdir("./50" [pid 5699] +++ exited with 0 +++ [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] mkdir("./49", 0777 [pid 5701] <... chdir resumed>) = 0 [pid 5029] unlink("./49/cgroup" [pid 5028] <... mkdir resumed>) = 0 [pid 5701] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5029] <... unlink resumed>) = 0 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5702 attached [pid 5701] <... prctl resumed>) = 0 [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] +++ exited with 0 +++ [pid 5029] getdents64(3, ./strace-static-x86_64: Process 5703 attached [pid 5702] set_robust_list(0x55555580e6e0, 24 [pid 5701] setpgid(0, 0 [pid 5698] close(17 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 106 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5703] set_robust_list(0x55555580e6e0, 24 [pid 5702] <... set_robust_list resumed>) = 0 [pid 5701] <... setpgid resumed>) = 0 [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=106, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5029] close(3 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 100 [pid 5702] chdir("./52" [pid 5701] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5029] <... close resumed>) = 0 [pid 5703] <... set_robust_list resumed>) = 0 [pid 5702] <... chdir resumed>) = 0 [pid 5701] <... symlink resumed>) = 0 [pid 5698] close(18 [pid 5032] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] rmdir("./49" [pid 5703] chdir("./49" [pid 5702] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5701] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... rmdir resumed>) = 0 [pid 5703] <... chdir resumed>) = 0 [pid 5702] <... prctl resumed>) = 0 [pid 5701] <... symlink resumed>) = 0 [pid 5698] close(19 [pid 5032] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] mkdir("./50", 0777 [pid 5703] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5702] setpgid(0, 0 [pid 5701] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... openat resumed>) = 3 [pid 5703] <... prctl resumed>) = 0 [pid 5702] <... setpgid resumed>) = 0 [pid 5701] <... symlink resumed>) = 0 [pid 5698] close(20 [pid 5032] fstat(3, [pid 5029] <... mkdir resumed>) = 0 [pid 5703] setpgid(0, 0 [pid 5702] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5703] <... setpgid resumed>) = 0 [pid 5698] close(21 [pid 5032] getdents64(3, [pid 5703] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5701] <... openat resumed>) = 3 [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5703] <... symlink resumed>) = 0 [pid 5702] <... symlink resumed>) = 0 [pid 5701] write(3, "1000", 4 [pid 5698] close(22 [pid 5032] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5703] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5702] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5701] <... write resumed>) = 4 [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5703] <... symlink resumed>) = 0 [pid 5698] close(23 [pid 5702] <... symlink resumed>) = 0 [pid 5032] lstat("./52/binderfs", ./strace-static-x86_64: Process 5704 attached [pid 5703] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5702] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5701] close(3 [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5704] set_robust_list(0x55555580e6e0, 24 [pid 5703] <... symlink resumed>) = 0 [pid 5702] <... symlink resumed>) = 0 [pid 5698] close(24 [pid 5032] unlink("./52/binderfs" [pid 5701] <... close resumed>) = 0 [pid 5704] <... set_robust_list resumed>) = 0 [pid 5703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 102 [pid 5704] chdir("./50" [pid 5703] <... openat resumed>) = 3 [pid 5702] <... openat resumed>) = 3 [pid 5701] read(200, [pid 5698] close(25 [pid 5032] umount2("./52/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5704] <... chdir resumed>) = 0 [pid 5703] write(3, "1000", 4 [pid 5702] write(3, "1000", 4 [pid 5701] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5704] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5703] <... write resumed>) = 4 [pid 5698] close(26 [pid 5032] lstat("./52/cgroup.net", [pid 5704] <... prctl resumed>) = 0 [pid 5703] close(3 [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5704] setpgid(0, 0 [pid 5703] <... close resumed>) = 0 [pid 5702] <... write resumed>) = 4 [pid 5701] symlink("/dev/binderfs", "./binderfs" [pid 5698] close(27 [pid 5032] unlink("./52/cgroup.net" [pid 5704] <... setpgid resumed>) = 0 [pid 5703] read(200, [pid 5702] close(3 [pid 5701] <... symlink resumed>) = 0 [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5704] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5703] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5702] <... close resumed>) = 0 [pid 5701] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5698] close(28 [pid 5032] umount2("./52/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5704] <... symlink resumed>) = 0 [pid 5703] symlink("/dev/binderfs", "./binderfs" [pid 5702] read(200, [pid 5701] <... futex resumed>) = 0 [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5704] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5703] <... symlink resumed>) = 0 [pid 5702] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5698] close(29 [pid 5032] lstat("./52/cgroup.cpu", [pid 5704] <... symlink resumed>) = 0 [pid 5703] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] symlink("/dev/binderfs", "./binderfs" [pid 5698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5704] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5703] <... futex resumed>) = 0 [pid 5698] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] unlink("./52/cgroup.cpu" [pid 5704] <... symlink resumed>) = 0 [pid 5703] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5698] <... write resumed>) = 335 [pid 5032] <... unlink resumed>) = 0 [pid 5704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5703] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5701] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5698] exit_group(0 [pid 5032] umount2("./52/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5704] <... openat resumed>) = 3 [pid 5703] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5702] <... symlink resumed>) = 0 [pid 5701] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5700] <... futex resumed>) = ? [pid 5698] <... exit_group resumed>) = ? [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5704] write(3, "1000", 4 [pid 5703] <... mprotect resumed>) = 0 [pid 5702] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] <... mprotect resumed>) = 0 [pid 5700] +++ exited with 0 +++ [pid 5698] +++ exited with 0 +++ [pid 5032] lstat("./52/cgroup", [pid 5704] <... write resumed>) = 4 [pid 5703] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5702] <... futex resumed>) = 0 [pid 5701] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 5706 attached ./strace-static-x86_64: Process 5705 attached [pid 5704] close(3 [pid 5702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=110, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5032] unlink("./52/cgroup" [pid 5706] set_robust_list(0x7f4e92bc39e0, 24 [pid 5705] set_robust_list(0x7f4e92bc39e0, 24 [pid 5704] <... close resumed>) = 0 [pid 5703] <... clone resumed>, parent_tid=[101], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 101 [pid 5033] restart_syscall(<... resuming interrupted clone ...> [pid 5032] <... unlink resumed>) = 0 [pid 5706] <... set_robust_list resumed>) = 0 [pid 5705] <... set_robust_list resumed>) = 0 [pid 5704] read(200, [pid 5703] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5701] <... clone resumed>, parent_tid=[103], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 103 [pid 5033] <... restart_syscall resumed>) = 0 [pid 5032] getdents64(3, [pid 5706] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5705] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5704] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5703] <... futex resumed>) = 0 [pid 5702] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5701] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5705] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5704] symlink("/dev/binderfs", "./binderfs" [pid 5703] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5702] <... mprotect resumed>) = 0 [pid 5701] <... futex resumed>) = 0 [pid 5032] close(3 [pid 5706] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5705] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] <... symlink resumed>) = 0 [pid 5703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5702] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5701] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5033] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... close resumed>) = 0 ./strace-static-x86_64: Process 5707 attached [pid 5706] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5705] <... futex resumed>) = 0 [pid 5704] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] close(3 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] rmdir("./52" [pid 5707] set_robust_list(0x7f4e92bc39e0, 24 [pid 5706] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5704] <... futex resumed>) = 0 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... clone resumed>, parent_tid=[107], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 107 [pid 5033] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] <... rmdir resumed>) = 0 [pid 5707] <... set_robust_list resumed>) = 0 [pid 5706] <... futex resumed>) = 1 [pid 5704] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5703] close(4 [pid 5702] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] <... futex resumed>) = 0 [pid 5033] <... openat resumed>) = 3 [pid 5032] mkdir("./53", 0777 [pid 5707] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5706] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5704] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... futex resumed>) = 0 [pid 5701] close(3 [pid 5033] fstat(3, [pid 5032] <... mkdir resumed>) = 0 [pid 5707] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5704] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5703] close(5 [pid 5702] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5708 attached [pid 5707] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] <... mprotect resumed>) = 0 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5701] close(4 [pid 5033] getdents64(3, [pid 5707] <... futex resumed>) = 0 [pid 5704] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5703] close(6 [pid 5702] close(3 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 108 ./strace-static-x86_64: Process 5709 attached [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] close(5 [pid 5033] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5709] set_robust_list(0x7f4e92bc39e0, 24 [pid 5708] set_robust_list(0x55555580e6e0, 24 [pid 5707] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5704] <... clone resumed>, parent_tid=[103], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 103 [pid 5703] close(7 [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5709] <... set_robust_list resumed>) = 0 [pid 5704] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] close(6 [pid 5033] lstat("./54/binderfs", [pid 5709] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5704] <... futex resumed>) = 0 [pid 5703] close(8 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5709] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5708] <... set_robust_list resumed>) = 0 [pid 5704] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] close(4 [pid 5701] close(7 [pid 5033] unlink("./54/binderfs" [pid 5709] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] chdir("./53" [pid 5704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5703] close(9 [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5709] <... futex resumed>) = 0 [pid 5708] <... chdir resumed>) = 0 [pid 5704] close(3 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] close(5 [pid 5701] close(8 [pid 5033] umount2("./54/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5709] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5703] close(10 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5708] <... prctl resumed>) = 0 [pid 5704] close(4 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] close(9 [pid 5033] lstat("./54/cgroup.net", [pid 5708] setpgid(0, 0 [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5703] close(11 [pid 5702] close(6 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5708] <... setpgid resumed>) = 0 [pid 5704] close(5 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] close(10 [pid 5033] unlink("./54/cgroup.net" [pid 5708] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5703] close(12 [pid 5702] close(7 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5708] <... symlink resumed>) = 0 [pid 5704] close(6 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] close(11 [pid 5033] umount2("./54/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5708] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5703] close(13 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5708] <... symlink resumed>) = 0 [pid 5704] close(7 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] close(8 [pid 5701] close(12 [pid 5033] lstat("./54/cgroup.cpu", [pid 5708] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5703] close(14 [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5708] <... symlink resumed>) = 0 [pid 5704] close(8 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] close(9 [pid 5701] close(13 [pid 5033] unlink("./54/cgroup.cpu" [pid 5708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5703] close(15 [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5708] <... openat resumed>) = 3 [pid 5704] close(9 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] close(10 [pid 5701] close(14 [pid 5033] umount2("./54/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5708] write(3, "1000", 4 [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5703] close(16 [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5708] <... write resumed>) = 4 [pid 5704] close(10 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] close(11 [pid 5701] close(15 [pid 5033] lstat("./54/cgroup", [pid 5708] close(3 [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5703] close(17 [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5708] <... close resumed>) = 0 [pid 5704] close(11 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] close(12 [pid 5701] close(16 [pid 5033] unlink("./54/cgroup" [pid 5708] read(200, [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5703] close(18 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5708] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5704] close(12 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] close(17 [pid 5033] getdents64(3, [pid 5708] symlink("/dev/binderfs", "./binderfs" [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5703] close(19 [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5708] <... symlink resumed>) = 0 [pid 5704] close(13 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] close(13 [pid 5701] close(18 [pid 5033] close(3 [pid 5708] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5703] close(20 [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = 0 [pid 5708] <... futex resumed>) = 0 [pid 5704] close(14 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] close(14 [pid 5701] close(19 [pid 5033] rmdir("./54" [pid 5708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5703] close(21 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... rmdir resumed>) = 0 [pid 5708] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5704] close(15 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] close(20 [pid 5033] mkdir("./55", 0777 [pid 5708] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5703] close(22 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... mkdir resumed>) = 0 [pid 5708] <... mprotect resumed>) = 0 [pid 5704] close(16 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] close(21 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5708] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5703] close(23 [pid 5702] close(15 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5711 attached ./strace-static-x86_64: Process 5710 attached [pid 5704] close(17 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] close(22 [pid 5711] set_robust_list(0x55555580e6e0, 24 [pid 5710] set_robust_list(0x7f4e92bc39e0, 24 [pid 5708] <... clone resumed>, parent_tid=[109], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 109 [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5703] close(24 [pid 5702] close(16 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 112 [pid 5711] <... set_robust_list resumed>) = 0 [pid 5710] <... set_robust_list resumed>) = 0 [pid 5708] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] close(18 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] close(23 [pid 5711] chdir("./55" [pid 5710] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5708] <... futex resumed>) = 0 [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5703] close(25 [pid 5702] close(17 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5711] <... chdir resumed>) = 0 [pid 5710] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5708] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5704] close(19 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] close(24 [pid 5711] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5710] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5703] close(26 [pid 5702] close(18 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5711] <... prctl resumed>) = 0 [pid 5710] <... futex resumed>) = 0 [pid 5708] close(3 [pid 5704] close(20 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] close(25 [pid 5711] setpgid(0, 0 [pid 5710] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5703] close(27 [pid 5702] close(19 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5711] <... setpgid resumed>) = 0 [pid 5708] close(4 [pid 5704] close(21 [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] close(20 [pid 5701] close(26 [pid 5711] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5711] <... symlink resumed>) = 0 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5703] close(28 [pid 5702] close(21 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5711] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5708] close(5 [pid 5704] close(22 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] close(27 [pid 5702] close(22) = -1 EBADF (Bad file descriptor) [pid 5711] <... symlink resumed>) = 0 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] close(23 [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5711] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5708] close(6 [pid 5704] close(23 [pid 5703] close(29 [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5711] <... symlink resumed>) = 0 [pid 5703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] close(24 [pid 5701] close(28write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5703] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5711] <... openat resumed>) = 3 [pid 5708] close(7 [pid 5704] close(24 [pid 5703] <... write resumed>) = 335 [pid 5702] close(25 [pid 5701] close(29 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5703] exit_group(0 [pid 5702] close(26 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5711] write(3, "1000", 4 [pid 5708] close(8 [pid 5705] <... futex resumed>) = ? [pid 5704] close(25 [pid 5703] <... exit_group resumed>) = ? [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5711] <... write resumed>) = 4 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5705] +++ exited with 0 +++ [pid 5702] close(27 [pid 5701] <... write resumed>) = 335 [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] close(28) = -1 EBADF (Bad file descriptor) [pid 5702] close(29) = -1 EBADF (Bad file descriptor) [pid 5702] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335) = 335 [pid 5702] exit_group(0 [pid 5711] close(3 [pid 5708] close(9 [pid 5707] <... futex resumed>) = ? [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5703] +++ exited with 0 +++ [pid 5702] <... exit_group resumed>) = ? [pid 5701] exit_group(0 [pid 5711] <... close resumed>) = 0 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5707] +++ exited with 0 +++ [pid 5704] close(26 [pid 5702] +++ exited with 0 +++ [pid 5711] read(200, [pid 5708] close(10 [pid 5706] <... futex resumed>) = ? [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] <... exit_group resumed>) = ? [pid 5704] close(27 [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=106, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5706] +++ exited with 0 +++ [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] restart_syscall(<... resuming interrupted clone ...> [pid 5704] close(28 [pid 5031] <... restart_syscall resumed>) = 0 [pid 5711] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5711] symlink("/dev/binderfs", "./binderfs" [pid 5708] close(11 [pid 5704] close(29 [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=100, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5711] <... symlink resumed>) = 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] +++ exited with 0 +++ [pid 5031] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] restart_syscall(<... resuming interrupted clone ...> [pid 5711] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] close(12 [pid 5704] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=102, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5711] <... futex resumed>) = 0 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5704] <... write resumed>) = 335 [pid 5031] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] <... restart_syscall resumed>) = 0 [pid 5711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5708] close(13 [pid 5704] exit_group(0 [pid 5031] <... openat resumed>) = 3 [pid 5711] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5709] <... futex resumed>) = ? [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5704] <... exit_group resumed>) = ? [pid 5031] fstat(3, [pid 5711] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5708] close(14 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5711] <... mprotect resumed>) = 0 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] getdents64(3, [pid 5030] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5711] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5708] close(15 [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5712 attached [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5712] set_robust_list(0x7f4e92bc39e0, 24 [pid 5711] <... clone resumed>, parent_tid=[113], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 113 [pid 5708] close(16 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5712] <... set_robust_list resumed>) = 0 [pid 5711] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./52/binderfs", [pid 5030] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5712] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5711] <... futex resumed>) = 0 [pid 5708] close(17 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5712] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5711] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./52/binderfs" [pid 5030] <... openat resumed>) = 3 [pid 5028] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5712] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5708] close(18 [pid 5031] <... unlink resumed>) = 0 [pid 5712] <... futex resumed>) = 0 [pid 5711] close(3 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./52/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... openat resumed>) = 3 [pid 5712] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] close(19 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5711] close(4 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./52/cgroup.net", [pid 5030] fstat(3, [pid 5028] fstat(3, [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5709] +++ exited with 0 +++ [pid 5708] close(20 [pid 5704] +++ exited with 0 +++ [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5711] close(5 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./52/cgroup.net" [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] close(21 [pid 5030] getdents64(3, [pid 5028] getdents64(3, [pid 5711] close(6 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=102, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] close(22 [pid 5031] umount2("./52/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] restart_syscall(<... resuming interrupted clone ...> [pid 5028] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5711] close(7 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... restart_syscall resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] close(23 [pid 5031] lstat("./52/cgroup.cpu", [pid 5030] lstat("./50/binderfs", [pid 5028] lstat("./49/binderfs", [pid 5711] close(8 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] close(24 [pid 5031] unlink("./52/cgroup.cpu" [pid 5030] unlink("./50/binderfs" [pid 5029] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./49/binderfs" [pid 5711] close(9 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] close(25 [pid 5031] umount2("./52/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 5711] close(10 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] umount2("./50/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] close(26 [pid 5031] lstat("./52/cgroup", [pid 5028] umount2("./49/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5711] close(11 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... openat resumed>) = 3 [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] close(27 [pid 5031] unlink("./52/cgroup" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5711] close(12 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5030] lstat("./50/cgroup.net", [pid 5029] fstat(3, [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] close(28 [pid 5031] getdents64(3, [pid 5028] lstat("./49/cgroup.net", [pid 5711] close(13 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] close(29 [pid 5031] close(3 [pid 5030] unlink("./50/cgroup.net" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5711] close(14 [pid 5708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... close resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] rmdir("./52" [pid 5030] umount2("./50/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5711] close(15 [pid 5708] <... write resumed>) = 335 [pid 5031] <... rmdir resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] exit_group(0 [pid 5031] mkdir("./53", 0777 [pid 5030] lstat("./50/cgroup.cpu", [pid 5711] close(16 [pid 5710] <... futex resumed>) = ? [pid 5708] <... exit_group resumed>) = ? [pid 5031] <... mkdir resumed>) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5710] +++ exited with 0 +++ [pid 5029] getdents64(3, [pid 5028] unlink("./49/cgroup.net" [pid 5711] close(17 [pid 5708] +++ exited with 0 +++ [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] unlink("./50/cgroup.cpu" [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 5713 attached [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5711] close(18 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=108, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 108 [pid 5030] umount2("./50/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5713] set_robust_list(0x55555580e6e0, 24 [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] umount2("./49/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5713] <... set_robust_list resumed>) = 0 [pid 5711] close(19 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] lstat("./50/cgroup", [pid 5713] chdir("./53" [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5713] <... chdir resumed>) = 0 [pid 5711] close(20 [pid 5032] <... openat resumed>) = 3 [pid 5030] unlink("./50/cgroup" [pid 5713] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] fstat(3, [pid 5030] <... unlink resumed>) = 0 [pid 5029] lstat("./50/binderfs", [pid 5028] lstat("./49/cgroup.cpu", [pid 5713] <... prctl resumed>) = 0 [pid 5711] close(21 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] getdents64(3, [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5713] setpgid(0, 0 [pid 5029] unlink("./50/binderfs" [pid 5028] unlink("./49/cgroup.cpu" [pid 5713] <... setpgid resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5713] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5029] umount2("./50/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] umount2("./49/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5713] <... symlink resumed>) = 0 [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] getdents64(3, [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5713] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5711] close(22 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] close(3 [pid 5029] lstat("./50/cgroup.net", [pid 5028] lstat("./49/cgroup", [pid 5713] <... symlink resumed>) = 0 [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... close resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5713] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5029] unlink("./50/cgroup.net" [pid 5028] unlink("./49/cgroup" [pid 5713] <... symlink resumed>) = 0 [pid 5711] close(23 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] rmdir("./50" [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./53/binderfs", [pid 5029] umount2("./50/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] getdents64(3, [pid 5713] <... openat resumed>) = 3 [pid 5711] close(24 [pid 5030] <... rmdir resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5713] write(3, "1000", 4 [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] mkdir("./51", 0777 [pid 5029] lstat("./50/cgroup.cpu", [pid 5028] close(3 [pid 5713] <... write resumed>) = 4 [pid 5711] close(25 [pid 5032] unlink("./53/binderfs" [pid 5030] <... mkdir resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... close resumed>) = 0 [pid 5713] close(3 [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] unlink("./50/cgroup.cpu" [pid 5028] rmdir("./49" [pid 5713] <... close resumed>) = 0 [pid 5711] close(26 [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... rmdir resumed>) = 0 [pid 5713] read(200, [pid 5029] umount2("./50/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] mkdir("./50", 0777 [pid 5713] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... mkdir resumed>) = 0 [pid 5713] symlink("/dev/binderfs", "./binderfs" [pid 5029] lstat("./50/cgroup", [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5714 attached [pid 5713] <... symlink resumed>) = 0 [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./53/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 5715 attached [pid 5714] set_robust_list(0x55555580e6e0, 24 [pid 5713] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] close(27 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 104 [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./53/cgroup.net", [pid 5711] close(28 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5714] <... set_robust_list resumed>) = 0 [pid 5713] <... futex resumed>) = 0 [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./53/cgroup.net"write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5029] unlink("./50/cgroup" [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 102 [pid 5715] set_robust_list(0x55555580e6e0, 24 [pid 5714] chdir("./51" [pid 5713] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5711] close(29 [pid 5032] <... unlink resumed>) = 0 [pid 5714] <... chdir resumed>) = 0 [pid 5713] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./53/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... unlink resumed>) = 0 [pid 5711] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5714] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5713] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5711] <... write resumed>) = 335 [pid 5032] lstat("./53/cgroup.cpu", [pid 5029] getdents64(3, [pid 5711] exit_group(0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5715] <... set_robust_list resumed>) = 0 [pid 5714] <... prctl resumed>) = 0 [pid 5713] <... mprotect resumed>) = 0 [pid 5712] <... futex resumed>) = ? [pid 5711] <... exit_group resumed>) = ? [pid 5032] unlink("./53/cgroup.cpu" [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5715] chdir("./50" [pid 5714] setpgid(0, 0 [pid 5713] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5712] +++ exited with 0 +++ [pid 5711] +++ exited with 0 +++ [pid 5032] <... unlink resumed>) = 0 [pid 5029] close(3./strace-static-x86_64: Process 5716 attached [pid 5715] <... chdir resumed>) = 0 [pid 5714] <... setpgid resumed>) = 0 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=112, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5032] umount2("./53/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... close resumed>) = 0 [pid 5716] set_robust_list(0x7f4e92bc39e0, 24 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5716] <... set_robust_list resumed>) = 0 [pid 5715] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5714] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5713] <... clone resumed>, parent_tid=[109], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 109 [pid 5032] lstat("./53/cgroup", [pid 5029] rmdir("./50" [pid 5716] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] unlink("./53/cgroup" [pid 5715] <... prctl resumed>) = 0 [pid 5714] <... symlink resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5029] <... rmdir resumed>) = 0 [pid 5715] setpgid(0, 0 [pid 5714] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5713] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] getdents64(3, [pid 5716] <... futex resumed>) = 0 [pid 5715] <... setpgid resumed>) = 0 [pid 5713] <... futex resumed>) = 1 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5716] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5714] <... symlink resumed>) = 0 [pid 5032] close(3 [pid 5029] mkdir("./51", 0777 [pid 5715] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5713] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5716] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5714] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5032] <... close resumed>) = 0 [pid 5716] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] <... symlink resumed>) = 0 [pid 5713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5032] rmdir("./53" [pid 5029] <... mkdir resumed>) = 0 [pid 5716] <... futex resumed>) = 0 [pid 5715] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5714] <... symlink resumed>) = 0 [pid 5713] close(3 [pid 5033] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... rmdir resumed>) = 0 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5716] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5715] <... symlink resumed>) = 0 [pid 5714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] mkdir("./54", 0777./strace-static-x86_64: Process 5717 attached [pid 5715] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5714] <... openat resumed>) = 3 [pid 5713] close(4 [pid 5033] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5717] set_robust_list(0x55555580e6e0, 24 [pid 5715] <... symlink resumed>) = 0 [pid 5714] write(3, "1000", 4 [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... openat resumed>) = 3 [pid 5032] <... mkdir resumed>) = 0 [pid 5717] <... set_robust_list resumed>) = 0 [pid 5715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5714] <... write resumed>) = 4 [pid 5713] close(5 [pid 5033] fstat(3, [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 104 [pid 5717] chdir("./51" [pid 5715] <... openat resumed>) = 3 [pid 5714] close(3 [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5717] <... chdir resumed>) = 0 [pid 5715] write(3, "1000", 4 [pid 5714] <... close resumed>) = 0 [pid 5713] close(6 [pid 5033] getdents64(3, ./strace-static-x86_64: Process 5718 attached [pid 5717] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5715] <... write resumed>) = 4 [pid 5714] read(200, [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5718] set_robust_list(0x55555580e6e0, 24 [pid 5715] close(3 [pid 5714] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5713] close(7 [pid 5033] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 110 [pid 5718] <... set_robust_list resumed>) = 0 [pid 5717] <... prctl resumed>) = 0 [pid 5715] <... close resumed>) = 0 [pid 5714] symlink("/dev/binderfs", "./binderfs" [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5718] chdir("./54" [pid 5717] setpgid(0, 0 [pid 5715] read(200, [pid 5714] <... symlink resumed>) = 0 [pid 5713] close(8 [pid 5033] lstat("./55/binderfs", [pid 5718] <... chdir resumed>) = 0 [pid 5717] <... setpgid resumed>) = 0 [pid 5715] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5714] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5718] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5717] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5715] symlink("/dev/binderfs", "./binderfs" [pid 5714] <... futex resumed>) = 0 [pid 5713] close(9 [pid 5033] unlink("./55/binderfs" [pid 5718] <... prctl resumed>) = 0 [pid 5717] <... symlink resumed>) = 0 [pid 5715] <... symlink resumed>) = 0 [pid 5714] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5718] setpgid(0, 0 [pid 5717] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5715] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5713] close(10 [pid 5033] umount2("./55/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5718] <... setpgid resumed>) = 0 [pid 5717] <... symlink resumed>) = 0 [pid 5715] <... futex resumed>) = 0 [pid 5714] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5718] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5717] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5715] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5714] <... mprotect resumed>) = 0 [pid 5713] close(11 [pid 5033] lstat("./55/cgroup.net", [pid 5718] <... symlink resumed>) = 0 [pid 5717] <... symlink resumed>) = 0 [pid 5715] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5714] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5719 attached [pid 5718] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5715] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5713] close(12 [pid 5033] unlink("./55/cgroup.net" [pid 5719] set_robust_list(0x7f4e92bc39e0, 24 [pid 5718] <... symlink resumed>) = 0 [pid 5717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5715] <... mprotect resumed>) = 0 [pid 5714] <... clone resumed>, parent_tid=[105], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 105 [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5719] <... set_robust_list resumed>) = 0 [pid 5718] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5717] <... openat resumed>) = 3 [pid 5715] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5714] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5713] close(13 [pid 5033] umount2("./55/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5720 attached [pid 5719] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5718] <... symlink resumed>) = 0 [pid 5717] write(3, "1000", 4 [pid 5714] <... futex resumed>) = 0 [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5720] set_robust_list(0x7f4e92bc39e0, 24 [pid 5719] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5717] <... write resumed>) = 4 [pid 5715] <... clone resumed>, parent_tid=[103], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 103 [pid 5714] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5713] close(14 [pid 5033] lstat("./55/cgroup.cpu", [pid 5720] <... set_robust_list resumed>) = 0 [pid 5719] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] <... openat resumed>) = 3 [pid 5717] close(3 [pid 5715] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5720] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5719] <... futex resumed>) = 0 [pid 5718] write(3, "1000", 4 [pid 5715] <... futex resumed>) = 0 [pid 5714] close(3 [pid 5713] close(15 [pid 5033] unlink("./55/cgroup.cpu" [pid 5720] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5719] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5718] <... write resumed>) = 4 [pid 5717] <... close resumed>) = 0 [pid 5715] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5720] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] close(3 [pid 5717] read(200, [pid 5715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5714] close(4 [pid 5713] close(16 [pid 5033] umount2("./55/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5720] <... futex resumed>) = 0 [pid 5718] <... close resumed>) = 0 [pid 5717] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5715] close(3 [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5720] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5718] read(200, [pid 5717] symlink("/dev/binderfs", "./binderfs" [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] close(5 [pid 5713] close(17 [pid 5033] lstat("./55/cgroup", [pid 5718] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5717] <... symlink resumed>) = 0 [pid 5715] close(4 [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5718] symlink("/dev/binderfs", "./binderfs" [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] close(6 [pid 5713] close(18 [pid 5033] unlink("./55/cgroup" [pid 5718] <... symlink resumed>) = 0 [pid 5717] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] close(5 [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5718] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] <... futex resumed>) = 0 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] close(7 [pid 5713] close(19 [pid 5033] getdents64(3, [pid 5718] <... futex resumed>) = 0 [pid 5717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5715] close(6 [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5718] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5717] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] close(8 [pid 5713] close(20 [pid 5033] close(3 [pid 5718] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5717] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5715] close(7 [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = 0 [pid 5718] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] close(9 [pid 5713] close(21 [pid 5033] rmdir("./55" [pid 5718] <... mprotect resumed>) = 0 [pid 5717] <... mprotect resumed>) = 0 [pid 5715] close(8 [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... rmdir resumed>) = 0 [pid 5718] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5717] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] close(10 [pid 5713] close(22 [pid 5033] mkdir("./56", 0777./strace-static-x86_64: Process 5722 attached ./strace-static-x86_64: Process 5721 attached [pid 5715] close(9 [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... mkdir resumed>) = 0 [pid 5722] set_robust_list(0x7f4e92bc39e0, 24 [pid 5721] set_robust_list(0x7f4e92bc39e0, 24 [pid 5718] <... clone resumed>, parent_tid=[111], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 111 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] close(11 [pid 5713] close(23 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5722] <... set_robust_list resumed>) = 0 [pid 5721] <... set_robust_list resumed>) = 0 [pid 5718] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] <... clone resumed>, parent_tid=[105], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 105 [pid 5715] close(10 [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5723 attached [pid 5722] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5721] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5718] <... futex resumed>) = 0 [pid 5717] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] close(12 [pid 5713] close(24 [pid 5723] set_robust_list(0x55555580e6e0, 24 [pid 5722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5721] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5718] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5717] <... futex resumed>) = 0 [pid 5715] close(11 [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 114 [pid 5723] <... set_robust_list resumed>) = 0 [pid 5722] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5721] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5717] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] close(13 [pid 5713] close(25 [pid 5722] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5721] <... futex resumed>) = 0 [pid 5718] close(3 [pid 5715] close(12 [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] chdir("./56" [pid 5722] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] close(14 [pid 5713] close(26 [pid 5723] <... chdir resumed>) = 0 [pid 5722] <... futex resumed>) = 0 [pid 5718] close(4 [pid 5717] close(3 [pid 5715] close(13 [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5722] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] close(15 [pid 5713] close(27 [pid 5723] <... prctl resumed>) = 0 [pid 5718] close(5 [pid 5717] close(4 [pid 5715] close(14 [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] setpgid(0, 0 [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] close(16 [pid 5713] close(28 [pid 5723] <... setpgid resumed>) = 0 [pid 5718] close(6 [pid 5717] close(5 [pid 5715] close(15 [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5723] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] close(17 [pid 5713] close(29 [pid 5718] close(7 [pid 5715] close(16 [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... symlink resumed>) = 0 [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] close(6 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] close(18 [pid 5713] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5723] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5718] close(8 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] close(17 [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5713] <... write resumed>) = 335 [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] close(19 [pid 5713] exit_group(0 [pid 5723] <... symlink resumed>) = 0 [pid 5718] close(9 [pid 5717] close(7 [pid 5716] <... futex resumed>) = ? [pid 5715] close(18 [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5713] <... exit_group resumed>) = ? [pid 5723] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5716] +++ exited with 0 +++ [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] close(20 [pid 5713] +++ exited with 0 +++ [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=108, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5723] <... symlink resumed>) = 0 [pid 5718] close(10 [pid 5717] close(8 [pid 5715] close(19 [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] close(21 [pid 5723] <... openat resumed>) = 3 [pid 5718] close(11 [pid 5717] close(9 [pid 5715] close(20 [pid 5723] write(3, "1000", 4 [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5723] <... write resumed>) = 4 [pid 5718] close(12 [pid 5717] close(10 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] close(22 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5723] close(3 [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] close(21 [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5723] <... close resumed>) = 0 [pid 5718] close(13 [pid 5717] close(11 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] close(23 [pid 5031] <... openat resumed>) = 3 [pid 5723] read(200, [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] close(22 [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] fstat(3, [pid 5723] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5718] close(14 [pid 5717] close(12 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] close(24 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5723] symlink("/dev/binderfs", "./binderfs" [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] close(23 [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... symlink resumed>) = 0 [pid 5718] close(15 [pid 5717] close(13 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] close(25 [pid 5031] getdents64(3, [pid 5723] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] close(24 [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5723] <... futex resumed>) = 0 [pid 5718] close(16 [pid 5717] close(14 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] close(26 [pid 5031] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] close(25 [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5718] close(17 [pid 5717] close(15 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] close(27 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5723] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITEwrite to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] close(26 [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5723] <... mprotect resumed>) = 0 [pid 5718] close(18 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] close(28 [pid 5031] lstat("./53/binderfs", [pid 5723] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] close(27 [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5724 attached [pid 5718] close(19 [pid 5717] close(16 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] close(29 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5724] set_robust_list(0x7f4e92bc39e0, 24 [pid 5723] <... clone resumed>, parent_tid=[115], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 115 [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] close(28 [pid 5714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5724] <... set_robust_list resumed>) = 0 [pid 5723] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] close(20 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] unlink("./53/binderfs" [pid 5724] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5723] <... futex resumed>) = 0 [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] close(17 [pid 5715] close(29 [pid 5714] <... write resumed>) = 335 [pid 5724] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5723] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5718] close(21 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] exit_group(0 [pid 5031] <... unlink resumed>) = 0 [pid 5724] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5719] <... futex resumed>) = ? [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5714] <... exit_group resumed>) = ? [pid 5724] <... futex resumed>) = 0 [pid 5723] close(3 [pid 5719] +++ exited with 0 +++ [pid 5718] close(22 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] <... write resumed>) = 335 [pid 5714] +++ exited with 0 +++ [pid 5031] umount2("./53/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5724] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] exit_group(0 [pid 5723] close(4 [pid 5720] <... futex resumed>) = ? [pid 5718] close(23 [pid 5715] <... exit_group resumed>) = ? [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=104, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5720] +++ exited with 0 +++ [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] close(18 [pid 5715] +++ exited with 0 +++ [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5723] close(5 [pid 5718] close(24 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./53/cgroup.net", [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] close(19 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=102, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5723] close(6 [pid 5718] close(25 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./53/cgroup.net" [pid 5030] <... openat resumed>) = 3 [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] close(20 [pid 5031] <... unlink resumed>) = 0 [pid 5030] fstat(3, [pid 5723] close(7 [pid 5718] close(26 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./53/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] close(21 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] getdents64(3, [pid 5723] close(8 [pid 5718] close(27 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./53/cgroup.cpu", [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] close(22 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5723] close(9 [pid 5718] close(28 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./53/cgroup.cpu" [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] close(23 [pid 5031] <... unlink resumed>) = 0 [pid 5030] lstat("./51/binderfs", [pid 5723] close(10 [pid 5718] close(29 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./53/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] close(24 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] unlink("./51/binderfs" [pid 5028] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5723] close(11 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5718] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./53/cgroup", [pid 5030] <... unlink resumed>) = 0 [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5718] <... write resumed>) = 335 [pid 5717] close(25 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] umount2("./51/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5723] close(12 [pid 5718] exit_group(0 [pid 5031] unlink("./53/cgroup" [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5721] <... futex resumed>) = ? [pid 5718] <... exit_group resumed>) = ? [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5030] lstat("./51/cgroup.net", [pid 5028] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5723] close(13 [pid 5721] +++ exited with 0 +++ [pid 5718] +++ exited with 0 +++ [pid 5717] close(26 [pid 5031] getdents64(3, [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] unlink("./51/cgroup.net" [pid 5028] <... openat resumed>) = 3 [pid 5723] close(14 [pid 5031] close(3 [pid 5030] <... unlink resumed>) = 0 [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] close(27 [pid 5031] <... close resumed>) = 0 [pid 5030] umount2("./51/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] fstat(3, [pid 5723] close(15 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=110, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=1 /* 0.01 s */} --- [pid 5031] rmdir("./53" [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] close(28 [pid 5032] restart_syscall(<... resuming interrupted clone ...> [pid 5031] <... rmdir resumed>) = 0 [pid 5030] lstat("./51/cgroup.cpu", [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5723] close(16 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... restart_syscall resumed>) = 0 [pid 5031] mkdir("./54", 0777 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] close(29 [pid 5031] <... mkdir resumed>) = 0 [pid 5030] unlink("./51/cgroup.cpu" [pid 5028] getdents64(3, [pid 5723] close(17 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] <... unlink resumed>) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5028] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5723] close(18 [pid 5717] <... write resumed>) = 335 [pid 5032] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5717] exit_group(0 [pid 5028] lstat("./50/binderfs", [pid 5722] <... futex resumed>) = ? [pid 5717] <... exit_group resumed>) = ? [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 5725 attached [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5722] +++ exited with 0 +++ [pid 5717] +++ exited with 0 +++ [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] umount2("./51/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./50/binderfs" [pid 5725] set_robust_list(0x55555580e6e0, 24 [pid 5723] close(19 [pid 5032] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 110 [pid 5725] <... set_robust_list resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 5725] chdir("./54" [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... openat resumed>) = 3 [pid 5030] lstat("./51/cgroup", [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=104, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5028] umount2("./50/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5725] <... chdir resumed>) = 0 [pid 5723] close(20 [pid 5032] fstat(3, [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5725] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] unlink("./51/cgroup" [pid 5028] lstat("./50/cgroup.net", [pid 5725] <... prctl resumed>) = 0 [pid 5723] close(21 [pid 5032] getdents64(3, [pid 5030] <... unlink resumed>) = 0 [pid 5029] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5725] setpgid(0, 0 [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] getdents64(3, [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5725] <... setpgid resumed>) = 0 [pid 5723] close(22 [pid 5032] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./50/cgroup.net" [pid 5725] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] <... unlink resumed>) = 0 [pid 5725] <... symlink resumed>) = 0 [pid 5723] close(23 [pid 5032] lstat("./54/binderfs", [pid 5030] close(3 [pid 5029] <... openat resumed>) = 3 [pid 5028] umount2("./50/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5725] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] <... close resumed>) = 0 [pid 5029] fstat(3, [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5725] <... symlink resumed>) = 0 [pid 5723] close(24 [pid 5032] unlink("./54/binderfs" [pid 5030] rmdir("./51" [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] lstat("./50/cgroup.cpu", [pid 5725] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5030] <... rmdir resumed>) = 0 [pid 5029] getdents64(3, [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5725] <... symlink resumed>) = 0 [pid 5723] close(25 [pid 5032] umount2("./54/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] mkdir("./52", 0777 [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] unlink("./50/cgroup.cpu" [pid 5725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... mkdir resumed>) = 0 [pid 5029] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 [pid 5725] <... openat resumed>) = 3 [pid 5723] close(26 [pid 5032] lstat("./54/cgroup.net", [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./50/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5726 attached [pid 5725] write(3, "1000", 4 [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] lstat("./51/binderfs", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5726] set_robust_list(0x55555580e6e0, 24 [pid 5725] <... write resumed>) = 4 [pid 5723] close(27 [pid 5032] unlink("./54/cgroup.net" [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 106 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] lstat("./50/cgroup", [pid 5726] <... set_robust_list resumed>) = 0 [pid 5725] close(3 [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5029] unlink("./51/binderfs" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5726] chdir("./52" [pid 5725] <... close resumed>) = 0 [pid 5723] close(28 [pid 5032] umount2("./54/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... unlink resumed>) = 0 [pid 5028] unlink("./50/cgroup" [pid 5726] <... chdir resumed>) = 0 [pid 5725] read(200, [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./51/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 [pid 5726] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5725] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5723] close(29 [pid 5032] lstat("./54/cgroup.cpu", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] getdents64(3, [pid 5726] <... prctl resumed>) = 0 [pid 5723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] lstat("./51/cgroup.net", write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5726] setpgid(0, 0 [pid 5725] symlink("/dev/binderfs", "./binderfs" [pid 5723] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] unlink("./54/cgroup.cpu" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] close(3 [pid 5726] <... setpgid resumed>) = 0 [pid 5725] <... symlink resumed>) = 0 [pid 5723] <... write resumed>) = 335 [pid 5032] <... unlink resumed>) = 0 [pid 5029] unlink("./51/cgroup.net" [pid 5028] <... close resumed>) = 0 [pid 5726] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5725] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5723] exit_group(0 [pid 5032] umount2("./54/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... unlink resumed>) = 0 [pid 5028] rmdir("./50" [pid 5726] <... symlink resumed>) = 0 [pid 5725] <... futex resumed>) = 0 [pid 5724] <... futex resumed>) = ? [pid 5723] <... exit_group resumed>) = ? [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./51/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... rmdir resumed>) = 0 [pid 5726] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5725] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5724] +++ exited with 0 +++ [pid 5726] <... symlink resumed>) = 0 [pid 5725] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5726] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5725] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5726] <... symlink resumed>) = 0 [pid 5725] <... mprotect resumed>) = 0 [pid 5726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5725] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5726] <... openat resumed>) = 3 [pid 5032] lstat("./54/cgroup", [pid 5726] write(3, "1000", 4 [pid 5725] <... clone resumed>, parent_tid=[111], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 111 ./strace-static-x86_64: Process 5727 attached [pid 5726] <... write resumed>) = 4 [pid 5725] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] mkdir("./51", 0777 [pid 5726] close(3 [pid 5725] <... futex resumed>) = 0 [pid 5723] +++ exited with 0 +++ [pid 5727] set_robust_list(0x7f4e92bc39e0, 24 [pid 5726] <... close resumed>) = 0 [pid 5725] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5032] unlink("./54/cgroup" [pid 5029] lstat("./51/cgroup.cpu", [pid 5028] <... mkdir resumed>) = 0 [pid 5727] <... set_robust_list resumed>) = 0 [pid 5726] read(200, [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=114, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5032] <... unlink resumed>) = 0 [pid 5727] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5726] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5726] symlink("/dev/binderfs", "./binderfs" [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5726] <... symlink resumed>) = 0 [pid 5033] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] getdents64(3, [pid 5727] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5726] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] <... openat resumed>) = 3 [pid 5029] unlink("./51/cgroup.cpu"./strace-static-x86_64: Process 5728 attached [pid 5727] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] <... futex resumed>) = 0 [pid 5033] fstat(3, [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5728] set_robust_list(0x55555580e6e0, 24 [pid 5727] <... futex resumed>) = 1 [pid 5726] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5725] <... futex resumed>) = 0 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] close(3 [pid 5029] <... unlink resumed>) = 0 [pid 5728] <... set_robust_list resumed>) = 0 [pid 5727] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5726] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5725] close(3 [pid 5033] getdents64(3, [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 104 [pid 5032] <... close resumed>) = 0 [pid 5728] chdir("./51" [pid 5726] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] umount2("./51/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] rmdir("./54" [pid 5728] <... chdir resumed>) = 0 [pid 5726] <... mprotect resumed>) = 0 [pid 5033] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5728] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5726] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5725] close(4 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... rmdir resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5729 attached [pid 5728] <... prctl resumed>) = 0 [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./56/binderfs", [pid 5032] mkdir("./55", 0777 [pid 5029] lstat("./51/cgroup", [pid 5729] set_robust_list(0x7f4e92bc39e0, 24 [pid 5728] setpgid(0, 0 [pid 5726] <... clone resumed>, parent_tid=[107], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 107 [pid 5725] close(5 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] <... mkdir resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5729] <... set_robust_list resumed>) = 0 [pid 5728] <... setpgid resumed>) = 0 [pid 5726] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./56/binderfs" [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5730 attached [pid 5729] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5728] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5726] <... futex resumed>) = 0 [pid 5725] close(6 [pid 5033] <... unlink resumed>) = 0 [pid 5029] unlink("./51/cgroup" [pid 5729] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5728] <... symlink resumed>) = 0 [pid 5726] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./56/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 112 [pid 5729] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5728] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5725] close(7 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5730] set_robust_list(0x55555580e6e0, 24 [pid 5729] <... futex resumed>) = 0 [pid 5728] <... symlink resumed>) = 0 [pid 5726] close(3 [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./56/cgroup.net", [pid 5730] <... set_robust_list resumed>) = 0 [pid 5729] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5728] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] close(8 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] getdents64(3, [pid 5730] chdir("./55" [pid 5728] <... symlink resumed>) = 0 [pid 5726] close(4 [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./56/cgroup.net" [pid 5730] <... chdir resumed>) = 0 [pid 5728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] close(9 [pid 5033] <... unlink resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5728] <... openat resumed>) = 3 [pid 5726] close(5 [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./56/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5728] write(3, "1000", 4 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5728] <... write resumed>) = 4 [pid 5726] close(6 [pid 5033] lstat("./56/cgroup.cpu", [pid 5029] close(3 [pid 5730] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5728] close(3 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] close(10 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5728] <... close resumed>) = 0 [pid 5726] close(7 [pid 5033] unlink("./56/cgroup.cpu" [pid 5730] <... prctl resumed>) = 0 [pid 5728] read(200, [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5029] <... close resumed>) = 0 [pid 5730] setpgid(0, 0 [pid 5728] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5726] close(8 [pid 5033] umount2("./56/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5730] <... setpgid resumed>) = 0 [pid 5728] symlink("/dev/binderfs", "./binderfs" [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] close(11 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] rmdir("./51" [pid 5728] <... symlink resumed>) = 0 [pid 5726] close(9 [pid 5033] lstat("./56/cgroup", [pid 5730] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5728] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... rmdir resumed>) = 0 [pid 5730] <... symlink resumed>) = 0 [pid 5728] <... futex resumed>) = 0 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] close(12 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] mkdir("./52", 0777 [pid 5730] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5728] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5726] close(10 [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./56/cgroup" [pid 5730] <... symlink resumed>) = 0 [pid 5728] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] close(13 [pid 5033] <... unlink resumed>) = 0 [pid 5029] <... mkdir resumed>) = 0 [pid 5730] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5728] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5726] close(11 [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5730] <... symlink resumed>) = 0 [pid 5728] <... mprotect resumed>) = 0 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] close(14 [pid 5033] getdents64(3, ./strace-static-x86_64: Process 5731 attached [pid 5730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5728] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5726] close(12 [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5732 attached [pid 5731] set_robust_list(0x55555580e6e0, 24 [pid 5730] <... openat resumed>) = 3 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] close(15 [pid 5033] close(3 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 106 [pid 5732] set_robust_list(0x7f4e92bc39e0, 24 [pid 5731] <... set_robust_list resumed>) = 0 [pid 5730] write(3, "1000", 4 [pid 5728] <... clone resumed>, parent_tid=[105], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 105 [pid 5726] close(13 [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = 0 [pid 5732] <... set_robust_list resumed>) = 0 [pid 5731] chdir("./52" [pid 5730] <... write resumed>) = 4 [pid 5728] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] close(16 [pid 5033] rmdir("./56" [pid 5732] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5731] <... chdir resumed>) = 0 [pid 5730] close(3 [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5732] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5731] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5730] <... close resumed>) = 0 [pid 5728] <... futex resumed>) = 0 [pid 5726] close(14 [pid 5725] close(17 [pid 5033] <... rmdir resumed>) = 0 [pid 5732] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] <... prctl resumed>) = 0 [pid 5730] read(200, [pid 5728] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./57", 0777 [pid 5732] <... futex resumed>) = 0 [pid 5731] setpgid(0, 0 [pid 5730] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5726] close(15 [pid 5725] close(18 [pid 5033] <... mkdir resumed>) = 0 [pid 5732] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5731] <... setpgid resumed>) = 0 [pid 5730] symlink("/dev/binderfs", "./binderfs" [pid 5728] close(3 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5731] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5730] <... symlink resumed>) = 0 [pid 5725] close(19 [pid 5731] <... symlink resumed>) = 0 [pid 5730] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] close(16 [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5733 attached [pid 5731] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5730] <... futex resumed>) = 0 [pid 5728] close(4 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] close(20 [pid 5733] set_robust_list(0x55555580e6e0, 24 [pid 5731] <... symlink resumed>) = 0 [pid 5730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] close(17 [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 116 [pid 5733] <... set_robust_list resumed>) = 0 [pid 5731] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5730] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5728] close(5 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] close(21 [pid 5733] chdir("./57" [pid 5731] <... symlink resumed>) = 0 [pid 5730] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] close(18 [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5733] <... chdir resumed>) = 0 [pid 5731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5730] <... mprotect resumed>) = 0 [pid 5728] close(6 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] close(22 [pid 5733] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5731] <... openat resumed>) = 3 [pid 5730] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] close(19 [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5734 attached [pid 5733] <... prctl resumed>) = 0 [pid 5731] write(3, "1000", 4 [pid 5725] close(23 [pid 5728] close(7 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5734] set_robust_list(0x7f4e92bc39e0, 24 [pid 5733] setpgid(0, 0 [pid 5731] <... write resumed>) = 4 [pid 5730] <... clone resumed>, parent_tid=[113], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 113 [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] close(20 [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5734] <... set_robust_list resumed>) = 0 [pid 5733] <... setpgid resumed>) = 0 [pid 5731] close(3 [pid 5730] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5728] close(8 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] close(24 [pid 5734] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5733] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5731] <... close resumed>) = 0 [pid 5730] <... futex resumed>) = 0 [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5734] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5733] <... symlink resumed>) = 0 [pid 5731] read(200, [pid 5730] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5726] close(21 [pid 5725] close(25 [pid 5734] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5733] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5731] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5734] <... futex resumed>) = 0 [pid 5733] <... symlink resumed>) = 0 [pid 5731] symlink("/dev/binderfs", "./binderfs" [pid 5730] close(3 [pid 5728] close(9 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] close(26 [pid 5734] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5733] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5731] <... symlink resumed>) = 0 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] close(22 [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5733] <... symlink resumed>) = 0 [pid 5731] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] close(4 [pid 5728] close(10 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] close(27 [pid 5733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5731] <... futex resumed>) = 0 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] close(23 [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5733] <... openat resumed>) = 3 [pid 5731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5730] close(5 [pid 5728] close(11 [pid 5725] close(28 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5733] write(3, "1000", 4 [pid 5731] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] close(24 [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5733] <... write resumed>) = 4 [pid 5731] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5730] close(6 [pid 5728] close(12 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] close(29 [pid 5733] close(3 [pid 5731] <... mprotect resumed>) = 0 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] close(25 [pid 5733] <... close resumed>) = 0 [pid 5731] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTIDwrite to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5730] close(7 [pid 5728] close(13 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335./strace-static-x86_64: Process 5735 attached [pid 5733] read(200, [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] close(26 [pid 5725] <... write resumed>) = 335 [pid 5735] set_robust_list(0x7f4e92bc39e0, 24 [pid 5733] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5731] <... clone resumed>, parent_tid=[107], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 107 [pid 5730] close(8 [pid 5728] close(14 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] exit_group(0 [pid 5735] <... set_robust_list resumed>) = 0 [pid 5733] symlink("/dev/binderfs", "./binderfs" [pid 5731] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5727] <... futex resumed>) = ? [pid 5726] close(27 [pid 5725] <... exit_group resumed>) = ? [pid 5735] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5733] <... symlink resumed>) = 0 [pid 5731] <... futex resumed>) = 0 [pid 5730] close(9 [pid 5728] close(15 [pid 5727] +++ exited with 0 +++ [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] close(28 [pid 5728] close(16 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5733] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] close(29 [pid 5735] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5733] <... futex resumed>) = 0 [pid 5731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5730] close(10 [pid 5728] close(17 [pid 5726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] +++ exited with 0 +++ write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5735] <... futex resumed>) = 0 [pid 5733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5731] close(3 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5735] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5733] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5730] close(11 [pid 5728] close(18 [pid 5726] <... write resumed>) = 335 [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=110, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5733] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5731] close(4 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] exit_group(0 [pid 5733] <... mprotect resumed>) = 0 [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5730] close(12 [pid 5729] <... futex resumed>) = ? [pid 5728] close(19 [pid 5726] <... exit_group resumed>) = ? [pid 5733] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5731] close(5 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5729] +++ exited with 0 +++ [pid 5031] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5736 attached [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5730] close(13 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5736] set_robust_list(0x7f4e92bc39e0, 24 [pid 5733] <... clone resumed>, parent_tid=[117], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 117 [pid 5731] close(6 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5736] <... set_robust_list resumed>) = 0 [pid 5733] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5730] close(14 [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5726] +++ exited with 0 +++ [pid 5031] <... openat resumed>) = 3 [pid 5736] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5733] <... futex resumed>) = 0 [pid 5731] close(7 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] fstat(3, [pid 5736] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5733] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5730] close(15 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5736] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5731] close(8 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] getdents64(3, [pid 5736] <... futex resumed>) = 0 [pid 5733] close(3 [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5730] close(16 [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5736] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5731] close(9 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5733] close(4 [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5730] close(17 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5731] close(10 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5728] close(20 [pid 5031] lstat("./54/binderfs", [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=106, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5733] close(5 [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5730] close(18 [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5731] close(11 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5728] close(21 [pid 5031] unlink("./54/binderfs" [pid 5733] close(6 [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5730] close(19 [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5731] close(12 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5728] close(22 [pid 5031] umount2("./54/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5733] close(7 [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5730] close(20 [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5731] close(13 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5728] close(23 [pid 5031] lstat("./54/cgroup.net", [pid 5733] close(8 [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5730] close(21 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5731] close(14 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./54/cgroup.net" [pid 5733] close(9 [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5730] close(22 [pid 5728] close(24 [pid 5031] <... unlink resumed>) = 0 [pid 5030] <... openat resumed>) = 3 [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5731] close(15 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./54/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] fstat(3, [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5733] close(10 [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5730] close(23 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5731] close(16 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5728] close(25 [pid 5031] lstat("./54/cgroup.cpu", [pid 5733] close(11 [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5730] close(24 [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] getdents64(3, [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5731] close(17 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5728] close(26 [pid 5031] unlink("./54/cgroup.cpu" [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5733] close(12 [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5730] close(25 [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5731] close(18 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5728] close(27 [pid 5031] umount2("./54/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5733] close(13 [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5730] close(26 [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5731] close(19 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5728] close(28 [pid 5031] lstat("./54/cgroup", [pid 5733] close(14 [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5730] close(27 [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5731] close(20 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5728] close(29 [pid 5031] unlink("./54/cgroup" [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5733] close(15 [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5730] close(28 [pid 5728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5731] close(21 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5728] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] getdents64(3, [pid 5030] lstat("./52/binderfs", [pid 5733] close(16 [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5730] close(29 [pid 5728] <... write resumed>) = 335 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5731] close(22 [pid 5730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5728] exit_group(0 [pid 5031] close(3 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5733] close(17 [pid 5732] <... futex resumed>) = ? [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5730] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5728] <... exit_group resumed>) = ? [pid 5031] <... close resumed>) = 0 [pid 5030] unlink("./52/binderfs" [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5732] +++ exited with 0 +++ [pid 5731] close(23 [pid 5730] <... write resumed>) = 335 [pid 5728] +++ exited with 0 +++ [pid 5031] rmdir("./54" [pid 5733] close(18 [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5730] exit_group(0 [pid 5031] <... rmdir resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5734] <... futex resumed>) = ? [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5731] close(24 [pid 5730] <... exit_group resumed>) = ? [pid 5031] mkdir("./55", 0777 [pid 5734] +++ exited with 0 +++ [pid 5733] close(19 [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5730] +++ exited with 0 +++ [pid 5031] <... mkdir resumed>) = 0 [pid 5030] umount2("./52/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=104, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5731] close(25 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5733] close(20) = -1 EBADF (Bad file descriptor) [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./52/cgroup.net", ./strace-static-x86_64: Process 5737 attached [pid 5733] close(21 [pid 5731] close(26 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=112, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5737] set_robust_list(0x55555580e6e0, 24 [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] restart_syscall(<... resuming interrupted clone ...> [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 112 [pid 5030] unlink("./52/cgroup.net" [pid 5028] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5737] <... set_robust_list resumed>) = 0 [pid 5733] close(22 [pid 5731] close(27 [pid 5032] <... restart_syscall resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5737] chdir("./55" [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 5028] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5737] <... chdir resumed>) = 0 [pid 5733] close(23 [pid 5731] close(28 [pid 5030] umount2("./52/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... openat resumed>) = 3 [pid 5737] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOWwrite to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] fstat(3, [pid 5737] <... prctl resumed>) = 0 [pid 5733] close(24 [pid 5731] close(29 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] lstat("./52/cgroup.cpu", [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5737] setpgid(0, 0 [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5731] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] getdents64(3, [pid 5737] <... setpgid resumed>) = 0 [pid 5733] close(25 [pid 5731] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] <... openat resumed>) = 3 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5737] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5731] <... write resumed>) = 335 [pid 5032] fstat(3, [pid 5030] unlink("./52/cgroup.cpu" [pid 5028] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5737] <... symlink resumed>) = 0 [pid 5733] close(26 [pid 5731] exit_group(0 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5737] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5735] <... futex resumed>) = ? [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5731] <... exit_group resumed>) = ? [pid 5032] getdents64(3, [pid 5030] <... unlink resumed>) = 0 [pid 5028] lstat("./51/binderfs", [pid 5737] <... symlink resumed>) = 0 [pid 5735] +++ exited with 0 +++ [pid 5733] close(27 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] umount2("./52/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5737] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5731] +++ exited with 0 +++ [pid 5032] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5737] <... symlink resumed>) = 0 [pid 5733] close(28 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./51/binderfs" [pid 5737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./55/binderfs", [pid 5030] lstat("./52/cgroup", [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=106, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5028] <... unlink resumed>) = 0 [pid 5737] <... openat resumed>) = 3 [pid 5733] close(29 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] umount2("./51/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5737] write(3, "1000", 4 [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./55/binderfs" [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5737] <... write resumed>) = 4 [pid 5733] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] <... unlink resumed>) = 0 [pid 5030] unlink("./52/cgroup" [pid 5029] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] lstat("./51/cgroup.net", [pid 5737] close(3 [pid 5733] <... write resumed>) = 335 [pid 5032] umount2("./55/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... unlink resumed>) = 0 [pid 5030] getdents64(3, [pid 5029] <... openat resumed>) = 3 [pid 5733] exit_group(0 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5737] <... close resumed>) = 0 [pid 5736] <... futex resumed>) = ? [pid 5733] <... exit_group resumed>) = ? [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] close(3 [pid 5029] fstat(3, [pid 5028] unlink("./51/cgroup.net" [pid 5737] read(200, [pid 5736] +++ exited with 0 +++ [pid 5032] lstat("./55/cgroup.net", [pid 5030] <... close resumed>) = 0 [pid 5737] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] rmdir("./52" [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5030] <... rmdir resumed>) = 0 [pid 5737] symlink("/dev/binderfs", "./binderfs" [pid 5032] unlink("./55/cgroup.net" [pid 5030] mkdir("./53", 0777 [pid 5029] getdents64(3, [pid 5028] umount2("./51/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5737] <... symlink resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5030] <... mkdir resumed>) = 0 [pid 5737] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5733] +++ exited with 0 +++ [pid 5032] umount2("./55/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5737] <... futex resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] lstat("./51/cgroup.cpu", [pid 5737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=116, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5032] lstat("./55/cgroup.cpu", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5737] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5033] restart_syscall(<... resuming interrupted clone ...> [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] lstat("./52/binderfs", [pid 5028] unlink("./51/cgroup.cpu"./strace-static-x86_64: Process 5738 attached [pid 5737] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5033] <... restart_syscall resumed>) = 0 [pid 5032] unlink("./55/cgroup.cpu" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5737] <... mprotect resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5029] unlink("./52/binderfs" [pid 5028] umount2("./51/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5737] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5032] umount2("./55/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5739 attached [pid 5033] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./52/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] lstat("./51/cgroup", [pid 5739] set_robust_list(0x7f4e92bc39e0, 24 [pid 5738] set_robust_list(0x55555580e6e0, 24 [pid 5737] <... clone resumed>, parent_tid=[113], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 113 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] lstat("./55/cgroup", [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 108 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5739] <... set_robust_list resumed>) = 0 [pid 5738] <... set_robust_list resumed>) = 0 [pid 5737] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] lstat("./52/cgroup.net", [pid 5028] unlink("./51/cgroup" [pid 5739] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5738] chdir("./53" [pid 5737] <... futex resumed>) = 0 [pid 5033] <... openat resumed>) = 3 [pid 5032] unlink("./55/cgroup" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5739] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5738] <... chdir resumed>) = 0 [pid 5737] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5033] fstat(3, [pid 5032] <... unlink resumed>) = 0 [pid 5029] unlink("./52/cgroup.net" [pid 5028] getdents64(3, [pid 5739] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5738] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] getdents64(3, [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5739] <... futex resumed>) = 0 [pid 5738] <... prctl resumed>) = 0 [pid 5737] close(3 [pid 5033] getdents64(3, [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] umount2("./52/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] close(3 [pid 5739] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5738] setpgid(0, 0 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] close(3 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... close resumed>) = 0 [pid 5737] close(4 [pid 5033] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... close resumed>) = 0 [pid 5029] lstat("./52/cgroup.cpu", [pid 5028] rmdir("./51" [pid 5738] <... setpgid resumed>) = 0 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] rmdir("./55" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... rmdir resumed>) = 0 [pid 5738] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5737] close(5 [pid 5033] lstat("./57/binderfs", [pid 5032] <... rmdir resumed>) = 0 [pid 5029] unlink("./52/cgroup.cpu" [pid 5028] mkdir("./52", 0777 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] mkdir("./56", 0777 [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... mkdir resumed>) = 0 [pid 5738] <... symlink resumed>) = 0 [pid 5737] close(6 [pid 5033] unlink("./57/binderfs" [pid 5032] <... mkdir resumed>) = 0 [pid 5029] umount2("./52/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5740 attached [pid 5738] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5741 attached [pid 5740] set_robust_list(0x55555580e6e0, 24 [pid 5738] <... symlink resumed>) = 0 [pid 5737] close(7 [pid 5033] umount2("./57/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] lstat("./52/cgroup", [pid 5741] set_robust_list(0x55555580e6e0, 24 [pid 5740] <... set_robust_list resumed>) = 0 [pid 5738] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 114 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 106 [pid 5741] <... set_robust_list resumed>) = 0 [pid 5740] chdir("./52" [pid 5738] <... symlink resumed>) = 0 [pid 5737] close(8 [pid 5033] lstat("./57/cgroup.net", [pid 5029] unlink("./52/cgroup" [pid 5741] chdir("./56" [pid 5740] <... chdir resumed>) = 0 [pid 5738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5741] <... chdir resumed>) = 0 [pid 5740] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5738] <... openat resumed>) = 3 [pid 5737] close(9 [pid 5033] unlink("./57/cgroup.net" [pid 5029] getdents64(3, [pid 5741] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5740] <... prctl resumed>) = 0 [pid 5738] write(3, "1000", 4 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5741] <... prctl resumed>) = 0 [pid 5740] setpgid(0, 0 [pid 5738] <... write resumed>) = 4 [pid 5737] close(10 [pid 5033] umount2("./57/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] close(3 [pid 5741] setpgid(0, 0 [pid 5740] <... setpgid resumed>) = 0 [pid 5738] close(3 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... close resumed>) = 0 [pid 5741] <... setpgid resumed>) = 0 [pid 5740] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5738] <... close resumed>) = 0 [pid 5737] close(11 [pid 5033] lstat("./57/cgroup.cpu", [pid 5029] rmdir("./52" [pid 5741] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5740] <... symlink resumed>) = 0 [pid 5738] read(200, [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... rmdir resumed>) = 0 [pid 5737] close(12 [pid 5033] unlink("./57/cgroup.cpu" [pid 5741] <... symlink resumed>) = 0 [pid 5029] mkdir("./53", 0777 [pid 5741] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5740] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5738] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5029] <... mkdir resumed>) = 0 [pid 5737] close(13 [pid 5033] umount2("./57/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5742 attached [pid 5741] <... symlink resumed>) = 0 [pid 5740] <... symlink resumed>) = 0 [pid 5738] symlink("/dev/binderfs", "./binderfs" [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5742] set_robust_list(0x55555580e6e0, 24 [pid 5741] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5740] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5738] <... symlink resumed>) = 0 [pid 5737] close(14 [pid 5033] lstat("./57/cgroup", [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 108 [pid 5742] <... set_robust_list resumed>) = 0 [pid 5741] <... symlink resumed>) = 0 [pid 5740] <... symlink resumed>) = 0 [pid 5738] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5742] chdir("./53" [pid 5741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5738] <... futex resumed>) = 0 [pid 5737] close(15 [pid 5033] unlink("./57/cgroup" [pid 5742] <... chdir resumed>) = 0 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5742] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5741] <... openat resumed>) = 3 [pid 5740] <... openat resumed>) = 3 [pid 5738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5737] close(16 [pid 5033] getdents64(3, [pid 5742] <... prctl resumed>) = 0 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5742] setpgid(0, 0 [pid 5741] write(3, "1000", 4 [pid 5740] write(3, "1000", 4 [pid 5738] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5737] close(17 [pid 5033] close(3 [pid 5742] <... setpgid resumed>) = 0 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = 0 [pid 5741] <... write resumed>) = 4 [pid 5742] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5740] <... write resumed>) = 4 [pid 5738] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5737] close(18 [pid 5033] rmdir("./57" [pid 5741] close(3 [pid 5742] <... symlink resumed>) = 0 [pid 5740] close(3 [pid 5738] <... mprotect resumed>) = 0 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... rmdir resumed>) = 0 [pid 5742] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5741] <... close resumed>) = 0 [pid 5740] <... close resumed>) = 0 [pid 5738] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5737] close(19 [pid 5033] mkdir("./58", 0777./strace-static-x86_64: Process 5743 attached [pid 5742] <... symlink resumed>) = 0 [pid 5741] read(200, [pid 5740] read(200, [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... mkdir resumed>) = 0 [pid 5743] set_robust_list(0x7f4e92bc39e0, 24 [pid 5742] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5741] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5740] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5738] <... clone resumed>, parent_tid=[109], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 109 [pid 5737] close(20 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5744 attached [pid 5743] <... set_robust_list resumed>) = 0 [pid 5742] <... symlink resumed>) = 0 [pid 5741] symlink("/dev/binderfs", "./binderfs" [pid 5740] symlink("/dev/binderfs", "./binderfs" [pid 5738] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] set_robust_list(0x55555580e6e0, 24 [pid 5743] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5738] <... futex resumed>) = 0 [pid 5737] close(21 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 118 [pid 5744] <... set_robust_list resumed>) = 0 [pid 5743] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5742] <... openat resumed>) = 3 [pid 5741] <... symlink resumed>) = 0 [pid 5740] <... symlink resumed>) = 0 [pid 5738] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] chdir("./58" [pid 5742] write(3, "1000", 4 [pid 5737] close(22 [pid 5744] <... chdir resumed>) = 0 [pid 5743] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] <... write resumed>) = 4 [pid 5741] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5743] <... futex resumed>) = 1 [pid 5742] close(3 [pid 5741] <... futex resumed>) = 0 [pid 5740] <... futex resumed>) = 0 [pid 5738] <... futex resumed>) = 0 [pid 5737] close(23 [pid 5744] <... prctl resumed>) = 0 [pid 5743] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5742] <... close resumed>) = 0 [pid 5741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] setpgid(0, 0 [pid 5742] read(200, [pid 5741] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5740] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5738] close(3 [pid 5737] close(24 [pid 5744] <... setpgid resumed>) = 0 [pid 5742] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5740] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5741] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5742] symlink("/dev/binderfs", "./binderfs" [pid 5740] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5738] close(4 [pid 5737] close(25 [pid 5744] <... symlink resumed>) = 0 [pid 5742] <... symlink resumed>) = 0 [pid 5741] <... mprotect resumed>) = 0 [pid 5740] <... mprotect resumed>) = 0 [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5742] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5740] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5738] close(5 [pid 5737] close(26./strace-static-x86_64: Process 5746 attached ./strace-static-x86_64: Process 5745 attached [pid 5744] <... symlink resumed>) = 0 [pid 5742] <... futex resumed>) = 0 [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5746] set_robust_list(0x7f4e92bc39e0, 24 [pid 5745] set_robust_list(0x7f4e92bc39e0, 24 [pid 5744] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5742] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5741] <... clone resumed>, parent_tid=[115], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 115 [pid 5740] <... clone resumed>, parent_tid=[107], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 107 [pid 5738] close(6 [pid 5737] close(27 [pid 5746] <... set_robust_list resumed>) = 0 [pid 5745] <... set_robust_list resumed>) = 0 [pid 5744] <... symlink resumed>) = 0 [pid 5742] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5741] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5746] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5745] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5742] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5741] <... futex resumed>) = 0 [pid 5740] <... futex resumed>) = 0 [pid 5738] close(7 [pid 5737] close(28 [pid 5746] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5745] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5744] <... openat resumed>) = 3 [pid 5742] <... mprotect resumed>) = 0 [pid 5741] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5740] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5746] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] write(3, "1000", 4 [pid 5742] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5738] close(8 [pid 5737] close(29./strace-static-x86_64: Process 5747 attached [pid 5746] <... futex resumed>) = 0 [pid 5745] <... futex resumed>) = 0 [pid 5744] <... write resumed>) = 4 [pid 5741] close(3 [pid 5740] close(3 [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5747] set_robust_list(0x7f4e92bc39e0, 24 [pid 5746] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5745] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5744] close(3 [pid 5742] <... clone resumed>, parent_tid=[109], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 109 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] close(9 [pid 5737] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5747] <... set_robust_list resumed>) = 0 [pid 5744] <... close resumed>) = 0 [pid 5742] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] close(4 [pid 5740] close(4 [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5737] <... write resumed>) = 335 [pid 5747] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5744] read(200, [pid 5742] <... futex resumed>) = 0 [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] close(10 [pid 5737] exit_group(0 [pid 5747] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5744] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5742] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5741] close(5 [pid 5740] close(5 [pid 5739] <... futex resumed>) = ? [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5737] <... exit_group resumed>) = ? [pid 5747] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] symlink("/dev/binderfs", "./binderfs" [pid 5742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5739] +++ exited with 0 +++ [pid 5738] close(11 [pid 5737] +++ exited with 0 +++ [pid 5747] <... futex resumed>) = 0 [pid 5744] <... symlink resumed>) = 0 [pid 5742] close(3 [pid 5741] close(6 [pid 5740] close(6 [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5747] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5744] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=112, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5738] close(12 [pid 5744] <... futex resumed>) = 0 [pid 5742] close(4 [pid 5741] close(7 [pid 5740] close(7 [pid 5031] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5744] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5742] close(5 [pid 5741] close(8 [pid 5740] close(8 [pid 5738] close(13 [pid 5031] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5744] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... openat resumed>) = 3 [pid 5744] <... mprotect resumed>) = 0 [pid 5742] close(6 [pid 5741] close(9 [pid 5740] close(9 [pid 5738] close(14 [pid 5031] fstat(3, [pid 5744] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 ./strace-static-x86_64: Process 5748 attached [pid 5742] close(7 [pid 5741] close(10 [pid 5740] close(10 [pid 5738] close(15 [pid 5031] getdents64(3, [pid 5748] set_robust_list(0x7f4e92bc39e0, 24 [pid 5744] <... clone resumed>, parent_tid=[119], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 119 [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5748] <... set_robust_list resumed>) = 0 [pid 5744] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5742] close(8 [pid 5741] close(11 [pid 5740] close(11 [pid 5031] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5738] close(16 [pid 5748] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5744] <... futex resumed>) = 0 [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5748] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5744] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5742] close(9 [pid 5741] close(12 [pid 5740] close(12 [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./55/binderfs", [pid 5748] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] close(17 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5748] <... futex resumed>) = 0 [pid 5744] close(3 [pid 5742] close(10 [pid 5741] close(13 [pid 5740] close(13 [pid 5031] unlink("./55/binderfs" [pid 5748] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5744] close(4 [pid 5742] close(11 [pid 5741] close(14 [pid 5740] close(14 [pid 5738] close(18 [pid 5031] umount2("./55/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5744] close(5 [pid 5742] close(12 [pid 5741] close(15 [pid 5740] close(15 [pid 5031] lstat("./55/cgroup.net", [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] close(19 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5744] close(6 [pid 5742] close(13 [pid 5741] close(16 [pid 5740] close(16 [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./55/cgroup.net" [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] close(20 [pid 5031] <... unlink resumed>) = 0 [pid 5744] close(7 [pid 5742] close(14 [pid 5741] close(17 [pid 5740] close(17 [pid 5031] umount2("./55/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] close(21 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5744] close(8 [pid 5742] close(15 [pid 5741] close(18 [pid 5740] close(18 [pid 5031] lstat("./55/cgroup.cpu", [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5744] close(9 [pid 5742] close(16 [pid 5741] close(19 [pid 5740] close(19 [pid 5031] unlink("./55/cgroup.cpu" [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5744] close(10 [pid 5742] close(17 [pid 5741] close(20 [pid 5740] close(20 [pid 5031] umount2("./55/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5744] close(11 [pid 5742] close(18 [pid 5741] close(21 [pid 5740] close(21 [pid 5738] close(22 [pid 5031] lstat("./55/cgroup", [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5744] close(12 [pid 5742] close(19 [pid 5741] close(22 [pid 5740] close(22 [pid 5031] unlink("./55/cgroup" [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] close(23 [pid 5031] <... unlink resumed>) = 0 [pid 5744] close(13 [pid 5742] close(20 [pid 5741] close(23 [pid 5740] close(23 [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] getdents64(3, [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] close(24 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5744] close(14 [pid 5742] close(21 [pid 5741] close(24 [pid 5740] close(24 [pid 5031] close(3 [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... close resumed>) = 0 [pid 5744] close(15 [pid 5742] close(22 [pid 5741] close(25 [pid 5740] close(25 [pid 5031] rmdir("./55" [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] close(25 [pid 5031] <... rmdir resumed>) = 0 [pid 5744] close(16 [pid 5742] close(23 [pid 5741] close(26 [pid 5740] close(26 [pid 5031] mkdir("./56", 0777 [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... mkdir resumed>) = 0 [pid 5744] close(17 [pid 5742] close(24 [pid 5741] close(27 [pid 5740] close(27 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] close(26./strace-static-x86_64: Process 5749 attached [pid 5744] close(18 [pid 5742] close(25 [pid 5741] close(28 [pid 5740] close(28 [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5749] set_robust_list(0x55555580e6e0, 24 [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] close(27 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 114 [pid 5749] <... set_robust_list resumed>) = 0 [pid 5744] close(19 [pid 5742] close(26 [pid 5741] close(29 [pid 5740] close(29 [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5749] chdir("./56" [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] close(28 [pid 5749] <... chdir resumed>) = 0 [pid 5744] close(20 [pid 5742] close(27 [pid 5741] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5740] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5749] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... write resumed>) = 335 [pid 5740] <... write resumed>) = 335 [pid 5738] close(29 [pid 5749] <... prctl resumed>) = 0 [pid 5744] close(21 [pid 5742] close(28 [pid 5741] exit_group(0 [pid 5740] exit_group(0 [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5749] setpgid(0, 0 [pid 5745] <... futex resumed>) = ? [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... exit_group resumed>) = ? [pid 5740] <... exit_group resumed>) = ? write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5749] <... setpgid resumed>) = 0 [pid 5746] <... futex resumed>) = ? [pid 5745] +++ exited with 0 +++ [pid 5744] close(22 [pid 5742] close(29 [pid 5740] +++ exited with 0 +++ [pid 5738] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5749] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5742] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5749] <... symlink resumed>) = 0 [pid 5744] close(23 [pid 5742] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5738] <... write resumed>) = 335 [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=106, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5749] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5742] <... write resumed>) = 335 [pid 5738] exit_group(0 [pid 5749] <... symlink resumed>) = 0 [pid 5746] +++ exited with 0 +++ [pid 5744] close(24 [pid 5742] exit_group(0 [pid 5741] +++ exited with 0 +++ [pid 5738] <... exit_group resumed>) = ? [pid 5749] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5747] <... futex resumed>) = ? [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5743] <... futex resumed>) = ? [pid 5742] <... exit_group resumed>) = ? [pid 5028] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5749] <... symlink resumed>) = 0 [pid 5747] +++ exited with 0 +++ [pid 5744] close(25 [pid 5743] +++ exited with 0 +++ [pid 5742] +++ exited with 0 +++ [pid 5738] +++ exited with 0 +++ [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=114, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=108, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5028] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5749] <... openat resumed>) = 3 [pid 5744] close(26 [pid 5749] write(3, "1000", 4 [pid 5032] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5749] <... write resumed>) = 4 [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=108, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5028] <... openat resumed>) = 3 [pid 5749] close(3 [pid 5744] close(27 [pid 5032] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... openat resumed>) = 3 [pid 5749] <... close resumed>) = 0 [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] fstat(3, [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] fstat(3, [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5749] read(200, [pid 5032] getdents64(3, [pid 5744] close(28 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5749] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... openat resumed>) = 3 [pid 5029] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] getdents64(3, [pid 5749] symlink("/dev/binderfs", "./binderfs" [pid 5744] close(29 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] fstat(3, [pid 5029] <... openat resumed>) = 3 [pid 5032] lstat("./56/binderfs", [pid 5749] <... symlink resumed>) = 0 [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] fstat(3, [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] unlink("./56/binderfs"write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory ) = 0 [pid 5032] umount2("./56/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5744] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] getdents64(3, [pid 5749] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] <... write resumed>) = 335 [pid 5032] lstat("./56/cgroup.net", [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5749] <... futex resumed>) = 0 [pid 5744] exit_group(0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5749] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5748] <... futex resumed>) = ? [pid 5744] <... exit_group resumed>) = ? [pid 5032] unlink("./56/cgroup.net" [pid 5029] getdents64(3, [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5749] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5748] +++ exited with 0 +++ [pid 5032] <... unlink resumed>) = 0 [pid 5030] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5749] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5032] umount2("./56/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] lstat("./52/binderfs", [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5749] <... mprotect resumed>) = 0 [pid 5032] lstat("./56/cgroup.cpu", [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5749] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5744] +++ exited with 0 +++ [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] lstat("./53/binderfs", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5750 attached [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=118, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5032] unlink("./56/cgroup.cpu" [pid 5028] unlink("./52/binderfs" [pid 5750] set_robust_list(0x7f4e92bc39e0, 24 [pid 5749] <... clone resumed>, parent_tid=[115], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 115 [pid 5032] <... unlink resumed>) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] lstat("./53/binderfs", [pid 5750] <... set_robust_list resumed>) = 0 [pid 5749] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] umount2("./56/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] unlink("./53/binderfs" [pid 5028] <... unlink resumed>) = 0 [pid 5750] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5749] <... futex resumed>) = 0 [pid 5033] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5750] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5749] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] lstat("./56/cgroup", [pid 5030] <... unlink resumed>) = 0 [pid 5028] umount2("./52/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5750] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] unlink("./53/binderfs" [pid 5750] <... futex resumed>) = 0 [pid 5749] close(3 [pid 5033] <... openat resumed>) = 3 [pid 5032] unlink("./56/cgroup" [pid 5030] umount2("./53/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5750] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 5032] <... unlink resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5028] lstat("./52/cgroup.net", [pid 5032] getdents64(3, [pid 5749] close(4 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] close(3 [pid 5030] lstat("./53/cgroup.net", [pid 5029] umount2("./53/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] <... close resumed>) = 0 [pid 5032] rmdir("./56") = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./52/cgroup.net" [pid 5033] getdents64(3, [pid 5749] close(5 [pid 5032] mkdir("./57", 0777) = 0 [pid 5030] unlink("./53/cgroup.net" [pid 5029] lstat("./53/cgroup.net", [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5751 attached [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5749] close(6 [pid 5033] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] umount2("./53/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./53/cgroup.net" [pid 5028] umount2("./52/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5751] set_robust_list(0x55555580e6e0, 24 [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 116 [pid 5751] <... set_robust_list resumed>) = 0 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5751] chdir("./57" [pid 5749] close(7 [pid 5033] lstat("./58/binderfs", [pid 5030] lstat("./53/cgroup.cpu", [pid 5029] umount2("./53/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] lstat("./52/cgroup.cpu", [pid 5751] <... chdir resumed>) = 0 [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5751] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5749] close(8 [pid 5033] unlink("./58/binderfs" [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5751] <... prctl resumed>) = 0 [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] lstat("./53/cgroup.cpu", [pid 5751] setpgid(0, 0 [pid 5030] unlink("./53/cgroup.cpu" [pid 5751] <... setpgid resumed>) = 0 [pid 5751] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5751] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5033] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] unlink("./52/cgroup.cpu" [pid 5030] <... unlink resumed>) = 0 [pid 5751] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5749] close(9 [pid 5033] umount2("./58/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5751] <... symlink resumed>) = 0 [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./53/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./53/cgroup.cpu" [pid 5028] <... unlink resumed>) = 0 [pid 5751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5751] <... openat resumed>) = 3 [pid 5749] close(10 [pid 5033] lstat("./58/cgroup.net", [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5028] umount2("./52/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5751] write(3, "1000", 4 [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] lstat("./53/cgroup", [pid 5751] <... write resumed>) = 4 [pid 5751] close(3 [pid 5029] umount2("./53/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5751] <... close resumed>) = 0 [pid 5751] read(200, 0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5751] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5751] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5751] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4e92ba3000 [pid 5751] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5751] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5749] close(11 [pid 5033] unlink("./58/cgroup.net" [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./52/cgroup", ./strace-static-x86_64: Process 5752 attached [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5752] set_robust_list(0x7f4e92bc39e0, 24 [pid 5751] <... clone resumed>, parent_tid=[117], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 117 [pid 5749] close(12 [pid 5033] umount2("./58/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] unlink("./53/cgroup" [pid 5029] lstat("./53/cgroup", [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5752] <... set_robust_list resumed>) = 0 [pid 5751] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... unlink resumed>) = 0 [pid 5752] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5751] <... futex resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] unlink("./52/cgroup" [pid 5752] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5751] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5749] close(13 [pid 5033] lstat("./58/cgroup.cpu", [pid 5030] getdents64(3, [pid 5029] unlink("./53/cgroup" [pid 5752] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... unlink resumed>) = 0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5752] <... futex resumed>) = 0 [pid 5751] close(3 [pid 5749] close(14 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5752] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./58/cgroup.cpu" [pid 5028] getdents64(3, [pid 5751] close(4 [pid 5030] close(3 [pid 5029] getdents64(3, [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5749] close(15 [pid 5033] <... unlink resumed>) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5751] close(5 [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = 0 [pid 5033] umount2("./58/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5749] close(16 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] rmdir("./53" [pid 5029] close(3 [pid 5028] close(3 [pid 5751] close(6 [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./58/cgroup", [pid 5030] <... rmdir resumed>) = 0 [pid 5029] <... close resumed>) = 0 [pid 5028] <... close resumed>) = 0 [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5749] close(17 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] mkdir("./54", 0777 [pid 5029] rmdir("./53" [pid 5028] rmdir("./52" [pid 5751] close(7 [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./58/cgroup" [pid 5030] <... mkdir resumed>) = 0 [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5749] close(18 [pid 5029] <... rmdir resumed>) = 0 [pid 5028] <... rmdir resumed>) = 0 [pid 5751] close(8 [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] mkdir("./54", 0777 [pid 5028] mkdir("./53", 0777./strace-static-x86_64: Process 5753 attached [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5749] close(19 [pid 5033] getdents64(3, [pid 5029] <... mkdir resumed>) = 0 [pid 5028] <... mkdir resumed>) = 0 [pid 5753] set_robust_list(0x55555580e6e0, 24 [pid 5751] close(9 [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 110 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5749] close(20 [pid 5751] close(10 [pid 5033] close(3 [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5751] close(11) = -1 EBADF (Bad file descriptor) [pid 5751] close(12) = -1 EBADF (Bad file descriptor) [pid 5751] close(13) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5755 attached ./strace-static-x86_64: Process 5754 attached [pid 5753] <... set_robust_list resumed>) = 0 [pid 5751] close(14 [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = 0 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 110 [pid 5755] set_robust_list(0x55555580e6e0, 24 [pid 5754] set_robust_list(0x55555580e6e0, 24 [pid 5753] chdir("./54" [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5749] close(21 [pid 5033] rmdir("./58" [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 108 [pid 5755] <... set_robust_list resumed>) = 0 [pid 5754] <... set_robust_list resumed>) = 0 [pid 5753] <... chdir resumed>) = 0 [pid 5751] close(15 [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... rmdir resumed>) = 0 [pid 5755] chdir("./53" [pid 5754] chdir("./54" [pid 5753] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5749] close(22 [pid 5033] mkdir("./59", 0777 [pid 5755] <... chdir resumed>) = 0 [pid 5754] <... chdir resumed>) = 0 [pid 5753] <... prctl resumed>) = 0 [pid 5751] close(16 [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... mkdir resumed>) = 0 [pid 5755] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5754] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5753] setpgid(0, 0 [pid 5749] close(23 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5756 attached [pid 5755] <... prctl resumed>) = 0 [pid 5754] <... prctl resumed>) = 0 [pid 5753] <... setpgid resumed>) = 0 [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5756] set_robust_list(0x55555580e6e0, 24 [pid 5755] setpgid(0, 0 [pid 5754] setpgid(0, 0 [pid 5753] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5751] close(17 [pid 5749] close(24 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 120 [pid 5755] <... setpgid resumed>) = 0 [pid 5754] <... setpgid resumed>) = 0 [pid 5753] <... symlink resumed>) = 0 [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5756] <... set_robust_list resumed>) = 0 [pid 5755] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5754] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5753] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5751] close(18 [pid 5749] close(25 [pid 5756] chdir("./59" [pid 5755] <... symlink resumed>) = 0 [pid 5754] <... symlink resumed>) = 0 [pid 5753] <... symlink resumed>) = 0 [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5754] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5753] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5756] <... chdir resumed>) = 0 [pid 5751] close(19 [pid 5749] close(26 [pid 5756] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5755] <... symlink resumed>) = 0 [pid 5754] <... symlink resumed>) = 0 [pid 5753] <... symlink resumed>) = 0 [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5756] <... prctl resumed>) = 0 [pid 5755] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5754] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5751] close(20 [pid 5749] close(27 [pid 5756] setpgid(0, 0 [pid 5755] <... symlink resumed>) = 0 [pid 5754] <... symlink resumed>) = 0 [pid 5753] <... openat resumed>) = 3 [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5756] <... setpgid resumed>) = 0 [pid 5755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5753] write(3, "1000", 4 [pid 5751] close(21 [pid 5749] close(28 [pid 5756] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5755] <... openat resumed>) = 3 [pid 5754] <... openat resumed>) = 3 [pid 5753] <... write resumed>) = 4 [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5756] <... symlink resumed>) = 0 [pid 5755] write(3, "1000", 4 [pid 5754] write(3, "1000", 4 [pid 5753] close(3 [pid 5751] close(22 [pid 5749] close(29 [pid 5756] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5755] <... write resumed>) = 4 [pid 5754] <... write resumed>) = 4 [pid 5753] <... close resumed>) = 0 [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5756] <... symlink resumed>) = 0 [pid 5755] close(3 [pid 5754] close(3 [pid 5753] read(200, [pid 5751] close(23 [pid 5756] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5749] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5756] <... symlink resumed>) = 0 [pid 5751] close(24 [pid 5749] <... write resumed>) = 335 [pid 5753] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5755] <... close resumed>) = 0 [pid 5754] <... close resumed>) = 0 [pid 5753] symlink("/dev/binderfs", "./binderfs" [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5749] exit_group(0 [pid 5756] <... openat resumed>) = 3 [pid 5755] read(200, [pid 5754] read(200, [pid 5753] <... symlink resumed>) = 0 [pid 5751] close(25 [pid 5750] <... futex resumed>) = ? [pid 5749] <... exit_group resumed>) = ? [pid 5756] write(3, "1000", 4 [pid 5755] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5754] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5753] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5750] +++ exited with 0 +++ [pid 5756] <... write resumed>) = 4 [pid 5755] symlink("/dev/binderfs", "./binderfs" [pid 5754] symlink("/dev/binderfs", "./binderfs" [pid 5753] <... futex resumed>) = 0 [pid 5751] close(26 [pid 5756] close(3 [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5756] <... close resumed>) = 0 [pid 5755] <... symlink resumed>) = 0 [pid 5751] close(27 [pid 5756] read(200, [pid 5754] <... symlink resumed>) = 0 [pid 5753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5756] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5755] <... futex resumed>) = 0 [pid 5754] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] close(28 [pid 5755] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5754] <... futex resumed>) = 0 [pid 5753] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5756] symlink("/dev/binderfs", "./binderfs" [pid 5755] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5749] +++ exited with 0 +++ [pid 5753] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5756] <... symlink resumed>) = 0 [pid 5755] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5754] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5751] close(29 [pid 5756] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5755] <... mprotect resumed>) = 0 [pid 5754] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5753] <... mprotect resumed>) = 0 [pid 5756] <... futex resumed>) = 0 [pid 5755] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5754] <... mprotect resumed>) = 0 [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5757 attached write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5754] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5753] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5751] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=114, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- ./strace-static-x86_64: Process 5759 attached ./strace-static-x86_64: Process 5758 attached [pid 5757] set_robust_list(0x7f4e92bc39e0, 24 [pid 5756] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5755] <... clone resumed>, parent_tid=[109], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 109 [pid 5751] <... write resumed>) = 335 [pid 5031] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5759] set_robust_list(0x7f4e92bc39e0, 24 [pid 5758] set_robust_list(0x7f4e92bc39e0, 24 [pid 5757] <... set_robust_list resumed>) = 0 [pid 5756] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5755] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] <... clone resumed>, parent_tid=[111], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 111 [pid 5753] <... clone resumed>, parent_tid=[111], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 111 [pid 5751] exit_group(0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5759] <... set_robust_list resumed>) = 0 [pid 5758] <... set_robust_list resumed>) = 0 [pid 5757] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5756] <... mprotect resumed>) = 0 [pid 5755] <... futex resumed>) = 0 [pid 5754] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] <... futex resumed>) = ? [pid 5751] <... exit_group resumed>) = ? [pid 5031] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5759] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5758] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5757] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5756] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5755] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5754] <... futex resumed>) = 0 [pid 5753] <... futex resumed>) = 0 [pid 5752] +++ exited with 0 +++ [pid 5751] +++ exited with 0 +++ [pid 5031] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5760 attached [pid 5759] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5758] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5757] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5754] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5753] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=116, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5031] fstat(3, [pid 5760] set_robust_list(0x7f4e92bc39e0, 24 [pid 5759] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5757] <... futex resumed>) = 0 [pid 5756] <... clone resumed>, parent_tid=[121], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 121 [pid 5755] close(3 [pid 5754] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5758] <... futex resumed>) = 0 [pid 5757] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5756] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(3 [pid 5753] close(3 [pid 5031] getdents64(3, [pid 5760] <... set_robust_list resumed>) = 0 [pid 5759] <... futex resumed>) = 0 [pid 5758] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5756] <... futex resumed>) = 0 [pid 5755] close(4 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5760] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5759] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5756] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(4 [pid 5753] close(4 [pid 5031] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5760] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5755] close(5 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5760] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(5 [pid 5753] close(5 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] lstat("./56/binderfs", [pid 5760] <... futex resumed>) = 1 [pid 5756] <... futex resumed>) = 0 [pid 5755] close(6 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5760] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5756] close(3 [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(6 [pid 5753] close(6 [pid 5032] <... openat resumed>) = 3 [pid 5031] unlink("./56/binderfs" [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] close(7 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] fstat(3, [pid 5031] <... unlink resumed>) = 0 [pid 5756] close(4 [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(7 [pid 5753] close(7 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] umount2("./56/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] close(8 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] getdents64(3, [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5756] close(5 [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(8 [pid 5753] close(8 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] lstat("./56/cgroup.net", [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] close(9 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5756] close(6 [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(9 [pid 5753] close(9 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] unlink("./56/cgroup.net" [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] close(10 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./57/binderfs", [pid 5031] <... unlink resumed>) = 0 [pid 5756] close(7 [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(10 [pid 5753] close(10 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] umount2("./56/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] close(11 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./57/binderfs" [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5756] close(8 [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(11 [pid 5753] close(11 [pid 5032] <... unlink resumed>) = 0 [pid 5031] lstat("./56/cgroup.cpu", [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] close(12 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./57/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5756] close(9 [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(12 [pid 5753] close(12 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] unlink("./56/cgroup.cpu" [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] close(13 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./57/cgroup.net", [pid 5031] <... unlink resumed>) = 0 [pid 5756] close(10 [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(13 [pid 5753] close(13 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] umount2("./56/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] close(14 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./57/cgroup.net" [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5756] close(11 [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(14 [pid 5753] close(14 [pid 5032] <... unlink resumed>) = 0 [pid 5031] lstat("./56/cgroup", [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] close(15 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./57/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5756] close(12 [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(15 [pid 5753] close(15 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] unlink("./56/cgroup" [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] close(16 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./57/cgroup.cpu", [pid 5031] <... unlink resumed>) = 0 [pid 5756] close(13 [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(16 [pid 5753] close(16 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] getdents64(3, [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] close(17 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./57/cgroup.cpu" [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5756] close(14 [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(17 [pid 5753] close(17 [pid 5032] <... unlink resumed>) = 0 [pid 5031] close(3 [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] close(18 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./57/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... close resumed>) = 0 [pid 5756] close(15 [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(18 [pid 5753] close(18 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] rmdir("./56" [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] close(19 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./57/cgroup", [pid 5031] <... rmdir resumed>) = 0 [pid 5756] close(16 [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(19 [pid 5753] close(19 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] mkdir("./57", 0777 [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] close(20 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./57/cgroup" [pid 5031] <... mkdir resumed>) = 0 [pid 5756] close(17 [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(20 [pid 5753] close(20 [pid 5032] <... unlink resumed>) = 0 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5761 attached [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] close(21 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] getdents64(3, [pid 5761] set_robust_list(0x55555580e6e0, 24 [pid 5756] close(18 [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(21 [pid 5753] close(21 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 116 [pid 5761] <... set_robust_list resumed>) = 0 [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] close(22 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] close(3 [pid 5761] chdir("./57" [pid 5756] close(19 [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(22 [pid 5753] close(22 [pid 5032] <... close resumed>) = 0 [pid 5761] <... chdir resumed>) = 0 [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] close(23 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] rmdir("./57" [pid 5761] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5756] close(20 [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(23 [pid 5753] close(23 [pid 5032] <... rmdir resumed>) = 0 [pid 5761] <... prctl resumed>) = 0 [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] close(24 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] mkdir("./58", 0777 [pid 5761] setpgid(0, 0 [pid 5756] close(21 [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(24 [pid 5753] close(24 [pid 5032] <... mkdir resumed>) = 0 [pid 5761] <... setpgid resumed>) = 0 [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] close(25 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5762 attached [pid 5761] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5756] close(22 [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(25 [pid 5753] close(25 [pid 5762] set_robust_list(0x55555580e6e0, 24 [pid 5761] <... symlink resumed>) = 0 [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] close(26 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 118 [pid 5762] <... set_robust_list resumed>) = 0 [pid 5761] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5756] close(23 [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(26 [pid 5753] close(26 [pid 5762] chdir("./58" [pid 5761] <... symlink resumed>) = 0 [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] close(27 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5762] <... chdir resumed>) = 0 [pid 5761] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5756] close(24 [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(27 [pid 5753] close(27 [pid 5762] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5761] <... symlink resumed>) = 0 [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] close(28 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5762] <... prctl resumed>) = 0 [pid 5761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5756] close(25 [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(28 [pid 5753] close(28 [pid 5762] setpgid(0, 0 [pid 5761] <... openat resumed>) = 3 [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] close(29 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5762] <... setpgid resumed>) = 0 [pid 5761] write(3, "1000", 4 [pid 5756] close(26 [pid 5755] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] close(29 [pid 5753] close(29write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5762] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5761] <... write resumed>) = 4 [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5762] <... symlink resumed>) = 0 [pid 5761] close(3 [pid 5756] close(27 [pid 5755] <... write resumed>) = 335 [pid 5754] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5753] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5762] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5761] <... close resumed>) = 0 [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5755] exit_group(0 [pid 5754] <... write resumed>) = 335 [pid 5753] <... write resumed>) = 335 [pid 5762] <... symlink resumed>) = 0 [pid 5761] read(200, [pid 5757] <... futex resumed>) = ? [pid 5756] close(28 [pid 5755] <... exit_group resumed>) = ? [pid 5754] exit_group(0 [pid 5753] exit_group(0 [pid 5762] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5761] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5759] <... futex resumed>) = ? [pid 5758] <... futex resumed>) = ? [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] <... exit_group resumed>) = ? [pid 5753] <... exit_group resumed>) = ? [pid 5762] <... symlink resumed>) = 0 [pid 5761] symlink("/dev/binderfs", "./binderfs"write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5759] +++ exited with 0 +++ [pid 5758] +++ exited with 0 +++ [pid 5757] +++ exited with 0 +++ [pid 5756] close(29 [pid 5755] +++ exited with 0 +++ [pid 5754] +++ exited with 0 +++ [pid 5753] +++ exited with 0 +++ [pid 5762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5761] <... symlink resumed>) = 0 [pid 5756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5762] <... openat resumed>) = 3 [pid 5761] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5756] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=110, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5762] write(3, "1000", 4 [pid 5761] <... futex resumed>) = 0 [pid 5756] <... write resumed>) = 335 [pid 5030] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=110, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5762] <... write resumed>) = 4 [pid 5761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5756] exit_group(0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=108, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5762] close(3 [pid 5761] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5760] <... futex resumed>) = ? [pid 5756] <... exit_group resumed>) = ? [pid 5030] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5762] <... close resumed>) = 0 [pid 5761] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5760] +++ exited with 0 +++ [pid 5028] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5028] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5028] fstat(3, {st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] getdents64(3, 0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5030] <... openat resumed>) = 3 [pid 5029] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] lstat("./53/binderfs", [pid 5762] read(200, [pid 5761] <... mprotect resumed>) = 0 [pid 5030] fstat(3, [pid 5029] <... openat resumed>) = 3 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5762] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5756] +++ exited with 0 +++ [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] unlink("./53/binderfs" [pid 5762] symlink("/dev/binderfs", "./binderfs" [pid 5761] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5030] getdents64(3, [pid 5029] fstat(3, [pid 5028] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5763 attached [pid 5762] <... symlink resumed>) = 0 [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] umount2("./53/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5763] set_robust_list(0x7f4e92bc39e0, 24 [pid 5762] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] <... clone resumed>, parent_tid=[117], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 117 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=120, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] getdents64(3, [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5763] <... set_robust_list resumed>) = 0 [pid 5762] <... futex resumed>) = 0 [pid 5761] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] lstat("./53/cgroup.net", [pid 5763] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5762] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5761] <... futex resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] unlink("./53/cgroup.net" [pid 5762] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5030] lstat("./54/binderfs", [pid 5029] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 [pid 5763] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5761] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5028] umount2("./53/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5763] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5763] <... futex resumed>) = 1 [pid 5762] <... mprotect resumed>) = 0 [pid 5761] <... futex resumed>) = 0 [pid 5030] unlink("./54/binderfs" [pid 5029] lstat("./54/binderfs", [pid 5028] lstat("./53/cgroup.cpu", [pid 5763] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5762] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5761] close(3 [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5764 attached [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./54/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./54/binderfs" [pid 5764] set_robust_list(0x7f4e92bc39e0, 24 [pid 5762] <... clone resumed>, parent_tid=[119], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 119 [pid 5761] close(4 [pid 5033] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5028] unlink("./53/cgroup.cpu" [pid 5764] <... set_robust_list resumed>) = 0 [pid 5762] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] lstat("./54/cgroup.net", [pid 5029] umount2("./54/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5764] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5762] <... futex resumed>) = 0 [pid 5761] close(5 [pid 5033] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 5764] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5762] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... openat resumed>) = 3 [pid 5030] unlink("./54/cgroup.net" [pid 5029] lstat("./54/cgroup.net", [pid 5764] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] close(6 [pid 5033] fstat(3, [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] umount2("./53/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5764] <... futex resumed>) = 1 [pid 5762] <... futex resumed>) = 0 [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] umount2("./54/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./54/cgroup.net" [pid 5764] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5762] close(3 [pid 5761] close(7 [pid 5033] getdents64(3, [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] lstat("./54/cgroup.cpu", [pid 5029] umount2("./54/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5762] close(4 [pid 5761] close(8 [pid 5033] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] unlink("./54/cgroup.cpu" [pid 5029] lstat("./54/cgroup.cpu", [pid 5028] lstat("./53/cgroup", [pid 5762] close(5 [pid 5761] close(9 [pid 5033] lstat("./59/binderfs", [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] umount2("./54/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./54/cgroup.cpu" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5762] close(6 [pid 5761] close(10 [pid 5033] unlink("./59/binderfs" [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5030] lstat("./54/cgroup", [pid 5029] umount2("./54/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./53/cgroup" [pid 5762] close(7 [pid 5761] close(11 [pid 5033] umount2("./59/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] unlink("./54/cgroup" [pid 5029] lstat("./54/cgroup", [pid 5028] <... unlink resumed>) = 0 [pid 5762] close(8 [pid 5761] close(12 [pid 5033] lstat("./59/cgroup.net", [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] getdents64(3, [pid 5029] unlink("./54/cgroup" [pid 5028] getdents64(3, [pid 5762] close(9 [pid 5761] close(13 [pid 5033] unlink("./59/cgroup.net" [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5030] close(3 [pid 5029] getdents64(3, [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5762] close(10 [pid 5761] close(14 [pid 5033] umount2("./59/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... close resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] close(3 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] rmdir("./54" [pid 5029] close(3 [pid 5762] close(11 [pid 5761] close(15 [pid 5033] lstat("./59/cgroup.cpu", [pid 5030] <... rmdir resumed>) = 0 [pid 5029] <... close resumed>) = 0 [pid 5028] <... close resumed>) = 0 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] mkdir("./55", 0777 [pid 5029] rmdir("./54" [pid 5762] close(12 [pid 5761] close(16 [pid 5033] unlink("./59/cgroup.cpu" [pid 5030] <... mkdir resumed>) = 0 [pid 5029] <... rmdir resumed>) = 0 [pid 5028] rmdir("./53" [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] mkdir("./55", 0777 [pid 5762] close(13 [pid 5761] close(17 [pid 5033] umount2("./59/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5765 attached [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 112 [pid 5029] <... mkdir resumed>) = 0 [pid 5765] set_robust_list(0x55555580e6e0, 24 [pid 5762] close(14 [pid 5761] close(18 [pid 5033] lstat("./59/cgroup", [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] mkdir("./54", 0777./strace-static-x86_64: Process 5766 attached [pid 5765] <... set_robust_list resumed>) = 0 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... mkdir resumed>) = 0 [pid 5765] chdir("./55" [pid 5762] close(15 [pid 5761] close(19 [pid 5033] unlink("./59/cgroup" [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5767 attached [pid 5766] set_robust_list(0x55555580e6e0, 24 [pid 5765] <... chdir resumed>) = 0 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 112 [pid 5767] set_robust_list(0x55555580e6e0, 24 [pid 5766] <... set_robust_list resumed>) = 0 [pid 5765] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5762] close(16 [pid 5761] close(20 [pid 5033] getdents64(3, [pid 5767] <... set_robust_list resumed>) = 0 [pid 5766] chdir("./55" [pid 5765] <... prctl resumed>) = 0 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 110 [pid 5767] chdir("./54" [pid 5766] <... chdir resumed>) = 0 [pid 5765] setpgid(0, 0 [pid 5762] close(17 [pid 5761] close(21 [pid 5033] close(3 [pid 5767] <... chdir resumed>) = 0 [pid 5766] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5765] <... setpgid resumed>) = 0 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = 0 [pid 5767] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5766] <... prctl resumed>) = 0 [pid 5765] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5762] close(18 [pid 5761] close(22 [pid 5033] rmdir("./59" [pid 5767] <... prctl resumed>) = 0 [pid 5766] setpgid(0, 0 [pid 5765] <... symlink resumed>) = 0 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... rmdir resumed>) = 0 [pid 5767] setpgid(0, 0 [pid 5766] <... setpgid resumed>) = 0 [pid 5765] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5762] close(19 [pid 5761] close(23 [pid 5033] mkdir("./60", 0777 [pid 5767] <... setpgid resumed>) = 0 [pid 5766] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5765] <... symlink resumed>) = 0 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... mkdir resumed>) = 0 [pid 5767] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5766] <... symlink resumed>) = 0 [pid 5765] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5762] close(20 [pid 5761] close(24 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5767] <... symlink resumed>) = 0 [pid 5766] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5765] <... symlink resumed>) = 0 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5768 attached [pid 5767] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5766] <... symlink resumed>) = 0 [pid 5765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5762] close(21 [pid 5761] close(25 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 122 [pid 5768] set_robust_list(0x55555580e6e0, 24 [pid 5767] <... symlink resumed>) = 0 [pid 5766] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5765] <... openat resumed>) = 3 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] <... set_robust_list resumed>) = 0 [pid 5767] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5766] <... symlink resumed>) = 0 [pid 5765] write(3, "1000", 4 [pid 5762] close(22 [pid 5761] close(26 [pid 5768] chdir("./60" [pid 5767] <... symlink resumed>) = 0 [pid 5766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5765] <... write resumed>) = 4 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5768] <... chdir resumed>) = 0 [pid 5767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5766] <... openat resumed>) = 3 [pid 5765] close(3 [pid 5762] close(23 [pid 5761] close(27 [pid 5768] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5767] <... openat resumed>) = 3 [pid 5766] write(3, "1000", 4 [pid 5765] <... close resumed>) = 0 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] <... prctl resumed>) = 0 [pid 5767] write(3, "1000", 4 [pid 5766] <... write resumed>) = 4 [pid 5765] read(200, [pid 5762] close(24 [pid 5761] close(28 [pid 5768] setpgid(0, 0 [pid 5767] <... write resumed>) = 4 [pid 5766] close(3 [pid 5765] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] <... setpgid resumed>) = 0 [pid 5767] close(3 [pid 5766] <... close resumed>) = 0 [pid 5765] symlink("/dev/binderfs", "./binderfs" [pid 5762] close(25 [pid 5761] close(29 [pid 5768] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5767] <... close resumed>) = 0 [pid 5766] read(200, [pid 5765] <... symlink resumed>) = 0 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] read(200, [pid 5768] <... symlink resumed>) = 0 [pid 5766] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5765] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] close(26 [pid 5761] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5768] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5767] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5766] symlink("/dev/binderfs", "./binderfs" [pid 5765] <... futex resumed>) = 0 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] <... write resumed>) = 335 [pid 5768] <... symlink resumed>) = 0 [pid 5767] symlink("/dev/binderfs", "./binderfs" [pid 5766] <... symlink resumed>) = 0 [pid 5765] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5762] close(27 [pid 5761] exit_group(0 [pid 5768] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5767] <... symlink resumed>) = 0 [pid 5766] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5763] <... futex resumed>) = ? [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] <... exit_group resumed>) = ? [pid 5768] <... symlink resumed>) = 0 [pid 5767] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5766] <... futex resumed>) = 0 [pid 5765] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5763] +++ exited with 0 +++ [pid 5762] close(28 [pid 5768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5767] <... futex resumed>) = 0 [pid 5766] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5765] <... mprotect resumed>) = 0 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] +++ exited with 0 +++ [pid 5768] <... openat resumed>) = 3 [pid 5767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5766] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5765] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5762] close(29write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory ./strace-static-x86_64: Process 5769 attached [pid 5768] write(3, "1000", 4 [pid 5767] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5766] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=116, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5769] set_robust_list(0x7f4e92bc39e0, 24 [pid 5768] <... write resumed>) = 4 [pid 5767] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5766] <... mprotect resumed>) = 0 [pid 5765] <... clone resumed>, parent_tid=[113], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 113 [pid 5762] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5769] <... set_robust_list resumed>) = 0 [pid 5768] close(3 [pid 5767] <... mprotect resumed>) = 0 [pid 5766] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5765] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] <... write resumed>) = 335 ./strace-static-x86_64: Process 5770 attached [pid 5769] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5768] <... close resumed>) = 0 [pid 5767] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5765] <... futex resumed>) = 0 [pid 5762] exit_group(0./strace-static-x86_64: Process 5771 attached [pid 5770] set_robust_list(0x7f4e92bc39e0, 24 [pid 5769] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5768] read(200, [pid 5766] <... clone resumed>, parent_tid=[113], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 113 [pid 5765] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5764] <... futex resumed>) = ? [pid 5762] <... exit_group resumed>) = ? [pid 5771] set_robust_list(0x7f4e92bc39e0, 24 [pid 5770] <... set_robust_list resumed>) = 0 [pid 5769] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5767] <... clone resumed>, parent_tid=[111], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 111 [pid 5766] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5771] <... set_robust_list resumed>) = 0 [pid 5770] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5768] symlink("/dev/binderfs", "./binderfs" [pid 5767] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5766] <... futex resumed>) = 0 [pid 5031] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5771] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5770] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5767] <... futex resumed>) = 0 [pid 5766] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5771] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5770] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5769] <... futex resumed>) = 1 [pid 5768] <... symlink resumed>) = 0 [pid 5767] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5765] <... futex resumed>) = 0 [pid 5031] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5771] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5770] <... futex resumed>) = 0 [pid 5769] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5768] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5766] close(3 [pid 5765] close(3 [pid 5764] +++ exited with 0 +++ [pid 5762] +++ exited with 0 +++ [pid 5031] <... openat resumed>) = 3 [pid 5771] <... futex resumed>) = 0 [pid 5770] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5768] <... futex resumed>) = 0 [pid 5767] close(3 [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=118, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5031] fstat(3, [pid 5771] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5768] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4e92ba3000 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] close(4 [pid 5765] close(4 [pid 5768] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5767] close(4 [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5768] <... mprotect resumed>) = 0 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] close(5 [pid 5765] close(5 [pid 5031] getdents64(3, [pid 5768] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5767] close(5 [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5772 attached [pid 5032] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5772] set_robust_list(0x7f4e92bc39e0, 24 [pid 5768] <... clone resumed>, parent_tid=[123], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 123 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] close(6 [pid 5765] close(6 [pid 5772] <... set_robust_list resumed>) = 0 [pid 5768] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] close(6 [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5772] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5768] <... futex resumed>) = 0 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] close(7 [pid 5765] close(7 [pid 5032] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5772] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5768] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5767] close(7 [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5772] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] close(8 [pid 5032] <... openat resumed>) = 3 [pid 5031] lstat("./57/binderfs", [pid 5772] <... futex resumed>) = 0 [pid 5768] close(3 [pid 5767] close(8 [pid 5765] close(8 [pid 5772] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] fstat(3, [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5768] close(4 [pid 5767] close(9 [pid 5766] close(9 [pid 5765] close(9 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] unlink("./57/binderfs" [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] close(5 [pid 5767] close(10 [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] getdents64(3, [pid 5031] <... unlink resumed>) = 0 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] close(6 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] close(11 [pid 5766] close(10 [pid 5765] close(10 [pid 5032] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] umount2("./57/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5768] close(7 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] close(11 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5768] close(8) = -1 EBADF (Bad file descriptor) [pid 5768] close(9) = -1 EBADF (Bad file descriptor) [pid 5768] close(10 [pid 5767] close(12 [pid 5765] close(11 [pid 5031] lstat("./57/cgroup.net", [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./58/binderfs", [pid 5768] close(11 [pid 5767] close(13 [pid 5766] close(12 [pid 5765] close(12 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] unlink("./57/cgroup.net" [pid 5767] close(14 [pid 5766] close(13 [pid 5765] close(13 [pid 5032] unlink("./58/binderfs" [pid 5031] <... unlink resumed>) = 0 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5031] umount2("./57/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5768] close(12 [pid 5767] close(15 [pid 5766] close(14 [pid 5765] close(14 [pid 5032] umount2("./58/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] lstat("./57/cgroup.cpu", [pid 5767] close(16 [pid 5766] close(15 [pid 5765] close(15 [pid 5032] lstat("./58/cgroup.net", [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] unlink("./57/cgroup.cpu" [pid 5768] close(13 [pid 5767] close(17 [pid 5766] close(16 [pid 5765] close(16 [pid 5032] unlink("./58/cgroup.net" [pid 5031] <... unlink resumed>) = 0 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5031] umount2("./57/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5768] close(14 [pid 5767] close(18 [pid 5766] close(17 [pid 5765] close(17 [pid 5032] umount2("./58/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] lstat("./57/cgroup", [pid 5767] close(19 [pid 5766] close(18 [pid 5765] close(18 [pid 5032] lstat("./58/cgroup.cpu", [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5768] close(15 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] unlink("./57/cgroup" [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] close(20 [pid 5766] close(19 [pid 5765] close(19 [pid 5032] unlink("./58/cgroup.cpu" [pid 5031] <... unlink resumed>) = 0 [pid 5768] close(16 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5031] getdents64(3, [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] close(21 [pid 5766] close(20 [pid 5765] close(20 [pid 5032] umount2("./58/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5768] close(17 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] close(3 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] close(22 [pid 5766] close(21 [pid 5765] close(21 [pid 5032] lstat("./58/cgroup", [pid 5031] <... close resumed>) = 0 [pid 5768] close(18 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] rmdir("./57" [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] close(23 [pid 5766] close(22 [pid 5765] close(22 [pid 5032] unlink("./58/cgroup" [pid 5031] <... rmdir resumed>) = 0 [pid 5768] close(19 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5031] mkdir("./58", 0777 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] close(24 [pid 5766] close(23 [pid 5765] close(23 [pid 5032] getdents64(3, [pid 5031] <... mkdir resumed>) = 0 [pid 5768] close(20 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5773 attached [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] close(25 [pid 5766] close(24 [pid 5765] close(24 [pid 5032] close(3 [pid 5773] set_robust_list(0x55555580e6e0, 24 [pid 5768] close(21 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... close resumed>) = 0 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 118 [pid 5773] <... set_robust_list resumed>) = 0 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] close(26 [pid 5766] close(25 [pid 5765] close(25 [pid 5032] rmdir("./58" [pid 5773] chdir("./58" [pid 5768] close(22 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... rmdir resumed>) = 0 [pid 5773] <... chdir resumed>) = 0 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] close(27 [pid 5766] close(26 [pid 5765] close(26 [pid 5032] mkdir("./59", 0777 [pid 5773] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5768] close(23 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... mkdir resumed>) = 0 [pid 5773] <... prctl resumed>) = 0 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] close(28 [pid 5766] close(27 [pid 5765] close(27 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5773] setpgid(0, 0 [pid 5768] close(24 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] <... setpgid resumed>) = 0 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] close(29 [pid 5766] close(28 [pid 5765] close(28 [pid 5773] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5768] close(25 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5774 attached write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5773] <... symlink resumed>) = 0 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5766] close(29 [pid 5765] close(29 [pid 5774] set_robust_list(0x55555580e6e0, 24 [pid 5773] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5768] close(26 [pid 5767] <... write resumed>) = 335 [pid 5765] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5774] <... set_robust_list resumed>) = 0 [pid 5773] <... symlink resumed>) = 0 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] exit_group(0write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 120 [pid 5774] chdir("./59" [pid 5773] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5768] close(27 [pid 5767] <... exit_group resumed>) = ? [pid 5774] <... chdir resumed>) = 0 [pid 5773] <... symlink resumed>) = 0 [pid 5771] <... futex resumed>) = ? [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5766] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5765] <... write resumed>) = 335 [pid 5774] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5768] close(28 [pid 5774] <... prctl resumed>) = 0 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5765] exit_group(0 [pid 5774] setpgid(0, 0 [pid 5768] close(29 [pid 5774] <... setpgid resumed>) = 0 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5774] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5769] <... futex resumed>) = ? [pid 5768] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5766] <... write resumed>) = 335 [pid 5765] <... exit_group resumed>) = ? [pid 5771] +++ exited with 0 +++ [pid 5767] +++ exited with 0 +++ [pid 5774] <... symlink resumed>) = 0 [pid 5773] <... openat resumed>) = 3 [pid 5769] +++ exited with 0 +++ [pid 5768] <... write resumed>) = 335 [pid 5766] exit_group(0 [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=110, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5774] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5768] exit_group(0 [pid 5774] <... symlink resumed>) = 0 [pid 5773] write(3, "1000", 4 [pid 5772] <... futex resumed>) = ? [pid 5770] <... futex resumed>) = ? [pid 5768] <... exit_group resumed>) = ? [pid 5766] <... exit_group resumed>) = ? [pid 5774] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5773] <... write resumed>) = 4 [pid 5772] +++ exited with 0 +++ [pid 5770] +++ exited with 0 +++ [pid 5768] +++ exited with 0 +++ [pid 5765] +++ exited with 0 +++ [pid 5028] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5774] <... symlink resumed>) = 0 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=122, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=112, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5028] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5774] <... openat resumed>) = 3 [pid 5773] close(3 [pid 5766] +++ exited with 0 +++ [pid 5030] restart_syscall(<... resuming interrupted clone ...> [pid 5028] <... openat resumed>) = 3 [pid 5774] write(3, "1000", 4 [pid 5773] <... close resumed>) = 0 [pid 5030] <... restart_syscall resumed>) = 0 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=112, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5028] fstat(3, [pid 5774] <... write resumed>) = 4 [pid 5773] read(200, [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5774] close(3 [pid 5773] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] getdents64(3, [pid 5774] <... close resumed>) = 0 [pid 5773] symlink("/dev/binderfs", "./binderfs" [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5774] read(200, [pid 5033] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5774] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5773] <... symlink resumed>) = 0 [pid 5033] <... openat resumed>) = 3 [pid 5030] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5774] symlink("/dev/binderfs", "./binderfs" [pid 5773] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] fstat(3, [pid 5030] <... openat resumed>) = 3 [pid 5029] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] lstat("./54/binderfs", [pid 5774] <... symlink resumed>) = 0 [pid 5773] <... futex resumed>) = 0 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] fstat(3, [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5774] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5033] getdents64(3, [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] unlink("./54/binderfs" [pid 5774] <... futex resumed>) = 0 [pid 5773] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] getdents64(3, [pid 5029] <... openat resumed>) = 3 [pid 5028] <... unlink resumed>) = 0 [pid 5774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5773] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5033] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] fstat(3, [pid 5028] umount2("./54/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5774] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5774] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5773] <... mprotect resumed>) = 0 [pid 5033] lstat("./60/binderfs", [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] getdents64(3, [pid 5028] lstat("./54/cgroup.net", [pid 5774] <... mprotect resumed>) = 0 [pid 5773] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] lstat("./55/binderfs", [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5775 attached [pid 5774] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5033] unlink("./60/binderfs" [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./54/cgroup.net"./strace-static-x86_64: Process 5776 attached [pid 5775] set_robust_list(0x7f4e92bc39e0, 24 [pid 5773] <... clone resumed>, parent_tid=[119], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 119 [pid 5033] <... unlink resumed>) = 0 [pid 5030] unlink("./55/binderfs" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 5776] set_robust_list(0x7f4e92bc39e0, 24 [pid 5775] <... set_robust_list resumed>) = 0 [pid 5774] <... clone resumed>, parent_tid=[121], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 121 [pid 5773] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] umount2("./60/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... unlink resumed>) = 0 [pid 5029] lstat("./55/binderfs", [pid 5028] umount2("./54/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5776] <... set_robust_list resumed>) = 0 [pid 5775] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5774] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] <... futex resumed>) = 0 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] umount2("./55/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5775] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5774] <... futex resumed>) = 0 [pid 5033] lstat("./60/cgroup.net", [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./55/binderfs" [pid 5028] lstat("./54/cgroup.cpu", [pid 5776] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5775] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5774] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5773] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] lstat("./55/cgroup.net", [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5776] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5775] <... futex resumed>) = 0 [pid 5773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] unlink("./60/cgroup.net" [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] umount2("./55/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./54/cgroup.cpu" [pid 5775] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5033] <... unlink resumed>) = 0 [pid 5030] unlink("./55/cgroup.net" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 5776] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] close(3 [pid 5033] umount2("./60/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... unlink resumed>) = 0 [pid 5029] lstat("./55/cgroup.net", [pid 5028] umount2("./54/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5776] <... futex resumed>) = 1 [pid 5774] <... futex resumed>) = 0 [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] umount2("./55/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5776] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5774] close(3 [pid 5773] close(4 [pid 5033] lstat("./60/cgroup.cpu", [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./55/cgroup.net" [pid 5028] lstat("./54/cgroup", [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] lstat("./55/cgroup.cpu", [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5774] close(4 [pid 5773] close(5 [pid 5033] unlink("./60/cgroup.cpu" [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] umount2("./55/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./54/cgroup" [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5030] unlink("./55/cgroup.cpu" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 5774] close(5 [pid 5773] close(6 [pid 5033] umount2("./60/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... unlink resumed>) = 0 [pid 5029] lstat("./55/cgroup.cpu", [pid 5028] getdents64(3, [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5773] close(7 [pid 5033] lstat("./60/cgroup", [pid 5030] umount2("./55/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5774] close(6 [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./55/cgroup.cpu" [pid 5028] close(3 [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] close(8 [pid 5033] unlink("./60/cgroup" [pid 5030] lstat("./55/cgroup", [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... close resumed>) = 0 [pid 5774] close(7 [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] umount2("./55/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] rmdir("./54" [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] close(9 [pid 5033] getdents64(3, [pid 5030] unlink("./55/cgroup" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... rmdir resumed>) = 0 [pid 5774] close(8 [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5029] lstat("./55/cgroup", [pid 5028] mkdir("./55", 0777 [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] close(10 [pid 5033] close(3 [pid 5030] getdents64(3, [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... mkdir resumed>) = 0 [pid 5774] close(9 [pid 5033] <... close resumed>) = 0 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] unlink("./55/cgroup" [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5777 attached [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] rmdir("./60" [pid 5030] close(3 [pid 5029] <... unlink resumed>) = 0 [pid 5777] set_robust_list(0x55555580e6e0, 24 [pid 5774] close(10 [pid 5773] close(11 [pid 5033] <... rmdir resumed>) = 0 [pid 5777] <... set_robust_list resumed>) = 0 [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./61", 0777 [pid 5030] <... close resumed>) = 0 [pid 5029] getdents64(3, [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 112 [pid 5777] chdir("./55" [pid 5774] close(11 [pid 5773] close(12 [pid 5033] <... mkdir resumed>) = 0 [pid 5777] <... chdir resumed>) = 0 [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] rmdir("./55" [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5778 attached [pid 5777] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5774] close(12 [pid 5773] close(13 [pid 5030] <... rmdir resumed>) = 0 [pid 5029] close(3 [pid 5778] set_robust_list(0x55555580e6e0, 24 [pid 5777] <... prctl resumed>) = 0 [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 124 [pid 5030] mkdir("./56", 0777 [pid 5029] <... close resumed>) = 0 [pid 5777] setpgid(0, 0 [pid 5774] close(13 [pid 5773] close(14 [pid 5030] <... mkdir resumed>) = 0 [pid 5029] rmdir("./55" [pid 5778] <... set_robust_list resumed>) = 0 [pid 5777] <... setpgid resumed>) = 0 [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5779 attached [pid 5778] chdir("./61" [pid 5777] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5774] close(14 [pid 5773] close(15 [pid 5029] mkdir("./56", 0777 [pid 5779] set_robust_list(0x55555580e6e0, 24 [pid 5778] <... chdir resumed>) = 0 [pid 5777] <... symlink resumed>) = 0 [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 114 [pid 5029] <... mkdir resumed>) = 0 [pid 5779] <... set_robust_list resumed>) = 0 [pid 5778] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5777] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5774] close(15 [pid 5773] close(16 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5780 attached [pid 5779] chdir("./56" [pid 5778] <... prctl resumed>) = 0 [pid 5777] <... symlink resumed>) = 0 [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5780] set_robust_list(0x55555580e6e0, 24 [pid 5779] <... chdir resumed>) = 0 [pid 5778] setpgid(0, 0 [pid 5774] close(16 [pid 5780] <... set_robust_list resumed>) = 0 [pid 5779] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5778] <... setpgid resumed>) = 0 [pid 5777] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] close(17 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 114 [pid 5780] chdir("./56" [pid 5779] <... prctl resumed>) = 0 [pid 5778] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5777] <... symlink resumed>) = 0 [pid 5774] close(17 [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5780] <... chdir resumed>) = 0 [pid 5779] setpgid(0, 0 [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5780] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5779] <... setpgid resumed>) = 0 [pid 5778] <... symlink resumed>) = 0 [pid 5777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5774] close(18 [pid 5773] close(18 [pid 5780] <... prctl resumed>) = 0 [pid 5779] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5778] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5780] setpgid(0, 0 [pid 5779] <... symlink resumed>) = 0 [pid 5778] <... symlink resumed>) = 0 [pid 5777] <... openat resumed>) = 3 [pid 5774] close(19 [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5780] <... setpgid resumed>) = 0 [pid 5778] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5777] write(3, "1000", 4 [pid 5773] close(19 [pid 5779] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5778] <... symlink resumed>) = 0 [pid 5777] <... write resumed>) = 4 [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5780] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5779] <... symlink resumed>) = 0 [pid 5778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5780] <... symlink resumed>) = 0 [pid 5779] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5778] <... openat resumed>) = 3 [pid 5777] close(3 [pid 5774] close(20 [pid 5773] close(20 [pid 5780] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5779] <... symlink resumed>) = 0 [pid 5778] write(3, "1000", 4 [pid 5777] <... close resumed>) = 0 [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5780] <... symlink resumed>) = 0 [pid 5779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5778] <... write resumed>) = 4 [pid 5774] close(21 [pid 5777] read(200, [pid 5780] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5779] <... openat resumed>) = 3 [pid 5778] close(3 [pid 5777] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] close(21 [pid 5780] <... symlink resumed>) = 0 [pid 5779] write(3, "1000", 4 [pid 5778] <... close resumed>) = 0 [pid 5777] symlink("/dev/binderfs", "./binderfs" [pid 5774] close(22 [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5779] <... write resumed>) = 4 [pid 5778] read(200, [pid 5777] <... symlink resumed>) = 0 [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] close(22 [pid 5780] <... openat resumed>) = 3 [pid 5779] close(3 [pid 5778] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5777] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5774] close(23 [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5780] write(3, "1000", 4 [pid 5778] symlink("/dev/binderfs", "./binderfs" [pid 5777] <... futex resumed>) = 0 [pid 5773] close(23 [pid 5780] <... write resumed>) = 4 [pid 5779] <... close resumed>) = 0 [pid 5778] <... symlink resumed>) = 0 [pid 5777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5780] close(3 [pid 5779] read(200, [pid 5778] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5777] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5773] close(24 [pid 5774] close(24 [pid 5780] <... close resumed>) = 0 [pid 5779] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5778] <... futex resumed>) = 0 [pid 5777] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5780] read(200, [pid 5779] symlink("/dev/binderfs", "./binderfs" [pid 5778] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5777] <... mprotect resumed>) = 0 [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] close(25 [pid 5779] <... symlink resumed>) = 0 [pid 5778] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5777] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5781 attached [pid 5778] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5773] close(26 [pid 5781] set_robust_list(0x7f4e92bc39e0, 24 [pid 5778] <... mprotect resumed>) = 0 [pid 5777] <... clone resumed>, parent_tid=[113], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 113 [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5781] <... set_robust_list resumed>) = 0 [pid 5780] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5779] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5777] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5774] close(25 [pid 5773] close(27./strace-static-x86_64: Process 5782 attached [pid 5781] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5780] symlink("/dev/binderfs", "./binderfs" [pid 5779] <... futex resumed>) = 0 [pid 5777] <... futex resumed>) = 0 [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5782] set_robust_list(0x7f4e92bc39e0, 24 [pid 5781] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5778] <... clone resumed>, parent_tid=[125], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 125 [pid 5777] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5773] close(28 [pid 5782] <... set_robust_list resumed>) = 0 [pid 5781] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5779] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5778] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5782] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5781] <... futex resumed>) = 0 [pid 5780] <... symlink resumed>) = 0 [pid 5778] <... futex resumed>) = 0 [pid 5777] close(3 [pid 5774] close(26 [pid 5773] close(29 [pid 5779] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5782] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5781] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5780] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5782] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] <... futex resumed>) = 0 [pid 5778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5777] close(4 [pid 5774] close(27 [pid 5773] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5782] <... futex resumed>) = 0 [pid 5780] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5779] <... mprotect resumed>) = 0 [pid 5778] close(3 [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] <... write resumed>) = 335 [pid 5782] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5780] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] close(5 [pid 5774] close(28 [pid 5773] exit_group(0 [pid 5780] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5779] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5778] close(4 [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5775] <... futex resumed>) = ? [pid 5773] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5783 attached [pid 5780] <... mprotect resumed>) = 0 [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] close(6 [pid 5775] +++ exited with 0 +++ [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5773] +++ exited with 0 +++ [pid 5783] set_robust_list(0x7f4e92bc39e0, 24 [pid 5778] close(5 [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5783] <... set_robust_list resumed>) = 0 [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] close(7 [pid 5783] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5778] close(6 [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5774] close(29 [pid 5780] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5779] <... clone resumed>, parent_tid=[115], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 115 [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] close(8./strace-static-x86_64: Process 5784 attached [pid 5778] close(7 [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=118, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5779] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5784] set_robust_list(0x7f4e92bc39e0, 24 [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] close(9 [pid 5784] <... set_robust_list resumed>) = 0 [pid 5778] close(8 [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5784] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] close(10 [pid 5778] close(9 [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5780] <... clone resumed>, parent_tid=[115], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 115 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] close(11 [pid 5783] <... futex resumed>) = 0 [pid 5779] <... futex resumed>) = 1 [pid 5774] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5783] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5780] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] close(10 [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5784] <... futex resumed>) = 0 [pid 5783] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5780] <... futex resumed>) = 1 [pid 5779] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] close(12 [pid 5774] <... write resumed>) = 335 [pid 5031] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5784] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5783] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5778] close(11 [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5774] exit_group(0 [pid 5784] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5783] <... futex resumed>) = 0 [pid 5779] close(3 [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] close(13 [pid 5776] <... futex resumed>) = ? [pid 5774] <... exit_group resumed>) = ? [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5784] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5783] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] close(12 [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5776] +++ exited with 0 +++ [pid 5774] +++ exited with 0 +++ [pid 5784] <... futex resumed>) = 1 [pid 5780] <... futex resumed>) = 0 [pid 5779] close(4 [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] close(14 [pid 5031] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5784] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5780] close(3 [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] close(13 [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] close(15 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=120, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5031] <... openat resumed>) = 3 [pid 5780] close(4 [pid 5779] close(5 [pid 5778] close(14 [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] close(16 [pid 5032] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] fstat(3, [pid 5780] close(5 [pid 5779] close(6 [pid 5778] close(15 [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] close(17 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5780] close(6 [pid 5779] close(7 [pid 5778] close(16 [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] close(18 [pid 5031] getdents64(3, [pid 5780] close(7 [pid 5779] close(8 [pid 5778] close(17 [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... openat resumed>) = 3 [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] close(19 [pid 5780] close(8 [pid 5778] close(18 [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] close(20 [pid 5032] fstat(3, [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5780] close(9 [pid 5779] close(9 [pid 5778] close(19 [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] close(21 [pid 5780] close(10 [pid 5778] close(20 [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] close(10 [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] close(22 [pid 5032] getdents64(3, [pid 5780] close(11 [pid 5778] close(21 [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] close(23 [pid 5780] close(12 [pid 5778] close(22 [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] lstat("./58/binderfs", [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] close(24 [pid 5780] close(13 [pid 5779] close(11 [pid 5778] close(23 [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] close(25 [pid 5780] close(14 [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] close(24 [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] unlink("./58/binderfs" [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] close(12 [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] close(26 [pid 5780] close(15 [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] close(25 [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./59/binderfs", [pid 5031] <... unlink resumed>) = 0 [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] close(13 [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] close(27 [pid 5780] close(16 [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] close(26 [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] umount2("./58/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] close(14 [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] close(28 [pid 5780] close(17 [pid 5778] close(27 [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./59/binderfs" [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] close(29write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5780] close(18 [pid 5779] close(15 [pid 5778] close(28 [pid 5777] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5031] lstat("./58/cgroup.net", [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5780] close(19 [pid 5779] close(16 [pid 5778] close(29 [pid 5777] <... write resumed>) = 335 [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5777] exit_group(0 [pid 5032] umount2("./59/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5781] <... futex resumed>) = ? [pid 5780] close(20write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5779] close(17 [pid 5778] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5777] <... exit_group resumed>) = ? [pid 5781] +++ exited with 0 +++ [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... write resumed>) = 335 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] unlink("./58/cgroup.net" [pid 5780] close(21 [pid 5779] close(18 [pid 5778] exit_group(0 [pid 5777] +++ exited with 0 +++ [pid 5032] lstat("./59/cgroup.net", [pid 5031] <... unlink resumed>) = 0 [pid 5782] <... futex resumed>) = ? [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] <... exit_group resumed>) = ? [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5782] +++ exited with 0 +++ [pid 5780] close(22 [pid 5779] close(19 [pid 5032] unlink("./59/cgroup.net" [pid 5031] umount2("./58/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=112, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5778] +++ exited with 0 +++ [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5780] close(23 [pid 5779] close(20 [pid 5032] umount2("./59/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] lstat("./58/cgroup.cpu", [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=124, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5780] close(24 [pid 5779] close(21 [pid 5033] restart_syscall(<... resuming interrupted clone ...> [pid 5032] lstat("./59/cgroup.cpu", [pid 5031] unlink("./58/cgroup.cpu" [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... restart_syscall resumed>) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5780] close(25 [pid 5779] close(22 [pid 5031] <... unlink resumed>) = 0 [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./59/cgroup.cpu" [pid 5028] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5780] close(26 [pid 5779] close(23 [pid 5033] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... unlink resumed>) = 0 [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] umount2("./59/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... openat resumed>) = 3 [pid 5780] close(27 [pid 5779] close(24 [pid 5033] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYwrite to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./58/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] fstat(3, [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... openat resumed>) = 3 [pid 5032] lstat("./59/cgroup", [pid 5780] close(28 [pid 5779] close(25 [pid 5033] fstat(3, [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] unlink("./59/cgroup" [pid 5780] close(29 [pid 5779] close(26 [pid 5033] getdents64(3, [pid 5032] <... unlink resumed>) = 0 [pid 5031] lstat("./58/cgroup", [pid 5028] getdents64(3, [pid 5780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] getdents64(3, [pid 5780] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5779] close(27 [pid 5033] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5780] <... write resumed>) = 335 [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] close(3 [pid 5780] exit_group(0 [pid 5779] close(28 [pid 5033] lstat("./61/binderfs", [pid 5032] <... close resumed>) = 0 [pid 5031] unlink("./58/cgroup" [pid 5028] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5784] <... futex resumed>) = ? [pid 5780] <... exit_group resumed>) = ? [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] rmdir("./59" [pid 5031] <... unlink resumed>) = 0 [pid 5784] +++ exited with 0 +++ [pid 5780] +++ exited with 0 +++ [pid 5779] close(29 [pid 5033] unlink("./61/binderfs" [pid 5032] <... rmdir resumed>) = 0 [pid 5031] getdents64(3, [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5779] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5032] mkdir("./60", 0777 [pid 5779] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] umount2("./61/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... mkdir resumed>) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] lstat("./55/binderfs", [pid 5779] <... write resumed>) = 335 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5785 attached [pid 5779] exit_group(0 [pid 5033] lstat("./61/cgroup.net", [pid 5031] close(3 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=114, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5783] <... futex resumed>) = ? [pid 5779] <... exit_group resumed>) = ? [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 122 [pid 5785] set_robust_list(0x55555580e6e0, 24 [pid 5783] +++ exited with 0 +++ [pid 5031] <... close resumed>) = 0 [pid 5029] restart_syscall(<... resuming interrupted clone ...> [pid 5028] unlink("./55/binderfs" [pid 5785] <... set_robust_list resumed>) = 0 [pid 5779] +++ exited with 0 +++ [pid 5033] unlink("./61/cgroup.net" [pid 5031] rmdir("./58" [pid 5029] <... restart_syscall resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5785] chdir("./60" [pid 5031] <... rmdir resumed>) = 0 [pid 5028] umount2("./55/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5785] <... chdir resumed>) = 0 [pid 5033] <... unlink resumed>) = 0 [pid 5031] mkdir("./59", 0777 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=114, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5785] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5033] umount2("./61/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... mkdir resumed>) = 0 [pid 5029] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] lstat("./55/cgroup.net", [pid 5785] <... prctl resumed>) = 0 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5785] setpgid(0, 0 [pid 5033] lstat("./61/cgroup.cpu", [pid 5030] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5785] <... setpgid resumed>) = 0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./55/cgroup.net" [pid 5785] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5033] unlink("./61/cgroup.cpu" [pid 5030] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... openat resumed>) = 3 [pid 5033] <... unlink resumed>) = 0 [pid 5030] <... openat resumed>) = 3 [pid 5028] <... unlink resumed>) = 0 [pid 5785] <... symlink resumed>) = 0 [pid 5033] umount2("./61/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] fstat(3, [pid 5029] fstat(3, ./strace-static-x86_64: Process 5786 attached [pid 5785] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] umount2("./55/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5033] lstat("./61/cgroup", [pid 5030] getdents64(3, [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5785] <... symlink resumed>) = 0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 120 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] getdents64(3, [pid 5786] set_robust_list(0x55555580e6e0, 24 [pid 5785] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5033] unlink("./61/cgroup" [pid 5030] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5786] <... set_robust_list resumed>) = 0 [pid 5785] <... symlink resumed>) = 0 [pid 5033] <... unlink resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] lstat("./55/cgroup.cpu", [pid 5786] chdir("./59" [pid 5785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5033] getdents64(3, [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5786] <... chdir resumed>) = 0 [pid 5785] <... openat resumed>) = 3 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] lstat("./56/binderfs", [pid 5786] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5785] write(3, "1000", 4 [pid 5033] close(3 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./55/cgroup.cpu" [pid 5786] <... prctl resumed>) = 0 [pid 5785] <... write resumed>) = 4 [pid 5033] <... close resumed>) = 0 [pid 5030] unlink("./56/binderfs" [pid 5029] lstat("./56/binderfs", [pid 5786] setpgid(0, 0 [pid 5785] close(3 [pid 5033] rmdir("./61" [pid 5030] <... unlink resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5786] <... setpgid resumed>) = 0 [pid 5785] <... close resumed>) = 0 [pid 5033] <... rmdir resumed>) = 0 [pid 5030] umount2("./56/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] umount2("./55/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5786] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5785] read(200, [pid 5029] unlink("./56/binderfs" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5786] <... symlink resumed>) = 0 [pid 5785] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] mkdir("./62", 0777 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5028] lstat("./55/cgroup", [pid 5786] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5785] symlink("/dev/binderfs", "./binderfs" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5786] <... symlink resumed>) = 0 [pid 5785] <... symlink resumed>) = 0 [pid 5033] <... mkdir resumed>) = 0 [pid 5030] lstat("./56/cgroup.net", [pid 5029] umount2("./56/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./55/cgroup" [pid 5786] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5785] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] <... unlink resumed>) = 0 [pid 5786] <... symlink resumed>) = 0 [pid 5785] <... futex resumed>) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] getdents64(3, [pid 5786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5785] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5787 attached [pid 5786] <... openat resumed>) = 3 [pid 5785] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5030] unlink("./56/cgroup.net" [pid 5029] lstat("./56/cgroup.net", [pid 5028] close(3 [pid 5786] write(3, "1000", 4 [pid 5785] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5028] <... close resumed>) = 0 [pid 5787] set_robust_list(0x55555580e6e0, 24 [pid 5786] <... write resumed>) = 4 [pid 5785] <... mprotect resumed>) = 0 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 126 [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] rmdir("./55" [pid 5787] <... set_robust_list resumed>) = 0 [pid 5786] close(3 [pid 5785] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5030] umount2("./56/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./56/cgroup.net" [pid 5028] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5788 attached [pid 5787] chdir("./62" [pid 5786] <... close resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5788] set_robust_list(0x7f4e92bc39e0, 24 [pid 5787] <... chdir resumed>) = 0 [pid 5786] read(200, [pid 5785] <... clone resumed>, parent_tid=[123], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 123 [pid 5030] lstat("./56/cgroup.cpu", [pid 5029] umount2("./56/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] mkdir("./56", 0777 [pid 5788] <... set_robust_list resumed>) = 0 [pid 5787] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5788] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5787] <... prctl resumed>) = 0 [pid 5786] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5785] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] unlink("./56/cgroup.cpu" [pid 5029] lstat("./56/cgroup.cpu", [pid 5028] <... mkdir resumed>) = 0 [pid 5788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5787] setpgid(0, 0 [pid 5786] symlink("/dev/binderfs", "./binderfs" [pid 5785] <... futex resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5788] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5787] <... setpgid resumed>) = 0 [pid 5030] umount2("./56/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./56/cgroup.cpu" [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5788] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5787] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5786] <... symlink resumed>) = 0 [pid 5785] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5788] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] <... symlink resumed>) = 0 [pid 5030] lstat("./56/cgroup", [pid 5029] umount2("./56/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5788] <... futex resumed>) = 0 [pid 5787] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5785] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5789 attached [pid 5788] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5787] <... symlink resumed>) = 0 [pid 5786] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] close(3 [pid 5030] unlink("./56/cgroup" [pid 5029] lstat("./56/cgroup", [pid 5789] set_robust_list(0x55555580e6e0, 24 [pid 5787] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5786] <... futex resumed>) = 0 [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5789] <... set_robust_list resumed>) = 0 [pid 5787] <... symlink resumed>) = 0 [pid 5786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5785] close(4 [pid 5030] getdents64(3, [pid 5029] unlink("./56/cgroup" [pid 5789] chdir("./56" [pid 5787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5786] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 114 [pid 5789] <... chdir resumed>) = 0 [pid 5787] <... openat resumed>) = 3 [pid 5786] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5785] close(5 [pid 5030] close(3 [pid 5029] getdents64(3, [pid 5789] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5787] write(3, "1000", 4 [pid 5786] <... mprotect resumed>) = 0 [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5789] <... prctl resumed>) = 0 [pid 5787] <... write resumed>) = 4 [pid 5786] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5785] close(6 [pid 5030] rmdir("./56" [pid 5029] close(3./strace-static-x86_64: Process 5790 attached [pid 5789] setpgid(0, 0 [pid 5787] close(3 [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... rmdir resumed>) = 0 [pid 5029] <... close resumed>) = 0 [pid 5790] set_robust_list(0x7f4e92bc39e0, 24 [pid 5789] <... setpgid resumed>) = 0 [pid 5787] <... close resumed>) = 0 [pid 5786] <... clone resumed>, parent_tid=[121], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 121 [pid 5785] close(7 [pid 5030] mkdir("./57", 0777 [pid 5029] rmdir("./56" [pid 5790] <... set_robust_list resumed>) = 0 [pid 5789] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5787] read(200, [pid 5786] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... mkdir resumed>) = 0 [pid 5029] <... rmdir resumed>) = 0 [pid 5790] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5789] <... symlink resumed>) = 0 [pid 5787] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5786] <... futex resumed>) = 0 [pid 5785] close(8 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] mkdir("./57", 0777./strace-static-x86_64: Process 5791 attached [pid 5790] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5789] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5787] symlink("/dev/binderfs", "./binderfs" [pid 5786] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... mkdir resumed>) = 0 [pid 5791] set_robust_list(0x55555580e6e0, 24 [pid 5790] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5789] <... symlink resumed>) = 0 [pid 5787] <... symlink resumed>) = 0 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 116 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5791] <... set_robust_list resumed>) = 0 [pid 5790] <... futex resumed>) = 0 [pid 5789] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5787] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5785] close(9 [pid 5791] chdir("./57" [pid 5790] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5789] <... symlink resumed>) = 0 [pid 5787] <... futex resumed>) = 0 [pid 5786] close(3 [pid 5791] <... chdir resumed>) = 0 [pid 5789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 116 ./strace-static-x86_64: Process 5792 attached [pid 5791] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5789] <... openat resumed>) = 3 [pid 5787] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5792] set_robust_list(0x55555580e6e0, 24 [pid 5791] <... prctl resumed>) = 0 [pid 5789] write(3, "1000", 4 [pid 5787] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5786] close(4 [pid 5785] close(10 [pid 5792] <... set_robust_list resumed>) = 0 [pid 5791] setpgid(0, 0 [pid 5789] <... write resumed>) = 4 [pid 5787] <... mprotect resumed>) = 0 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5792] chdir("./57" [pid 5791] <... setpgid resumed>) = 0 [pid 5789] close(3 [pid 5787] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5786] close(5 [pid 5785] close(11./strace-static-x86_64: Process 5793 attached [pid 5792] <... chdir resumed>) = 0 [pid 5791] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5789] <... close resumed>) = 0 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5793] set_robust_list(0x7f4e92bc39e0, 24 [pid 5792] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5791] <... symlink resumed>) = 0 [pid 5789] read(200, [pid 5787] <... clone resumed>, parent_tid=[127], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 127 [pid 5786] close(6 [pid 5785] close(12 [pid 5793] <... set_robust_list resumed>) = 0 [pid 5792] <... prctl resumed>) = 0 [pid 5791] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5789] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5787] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5793] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5792] setpgid(0, 0 [pid 5791] <... symlink resumed>) = 0 [pid 5789] symlink("/dev/binderfs", "./binderfs" [pid 5787] <... futex resumed>) = 0 [pid 5786] close(7 [pid 5785] close(13 [pid 5793] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5791] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5789] <... symlink resumed>) = 0 [pid 5787] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5793] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] <... setpgid resumed>) = 0 [pid 5791] <... symlink resumed>) = 0 [pid 5789] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5786] close(8 [pid 5785] close(14 [pid 5793] <... futex resumed>) = 0 [pid 5792] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5789] <... futex resumed>) = 0 [pid 5787] close(3 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5793] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5792] <... symlink resumed>) = 0 [pid 5791] <... openat resumed>) = 3 [pid 5789] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(9 [pid 5785] close(15 [pid 5792] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5791] write(3, "1000", 4 [pid 5789] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5787] close(4 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] <... write resumed>) = 4 [pid 5789] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(10 [pid 5785] close(16 [pid 5792] <... symlink resumed>) = 0 [pid 5791] close(3 [pid 5789] <... mprotect resumed>) = 0 [pid 5787] close(5 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5792] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5791] <... close resumed>) = 0 [pid 5789] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(11 [pid 5785] close(17./strace-static-x86_64: Process 5794 attached [pid 5792] <... symlink resumed>) = 0 [pid 5791] read(200, [pid 5787] close(6 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5794] set_robust_list(0x7f4e92bc39e0, 24 [pid 5791] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5789] <... clone resumed>, parent_tid=[115], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 115 [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(12 [pid 5785] close(18 [pid 5794] <... set_robust_list resumed>) = 0 [pid 5791] symlink("/dev/binderfs", "./binderfs" [pid 5789] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] close(7 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5794] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5791] <... symlink resumed>) = 0 [pid 5789] <... futex resumed>) = 0 [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(13 [pid 5785] close(19 [pid 5792] <... openat resumed>) = 3 [pid 5794] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5791] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5789] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5787] close(8 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5794] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] <... futex resumed>) = 0 [pid 5789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(14 [pid 5785] close(20 [pid 5794] <... futex resumed>) = 0 [pid 5792] write(3, "1000", 4 [pid 5791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5789] close(3 [pid 5787] close(9 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5794] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5792] <... write resumed>) = 4 [pid 5791] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(15 [pid 5785] close(21 [pid 5792] close(3 [pid 5791] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5789] close(4 [pid 5787] close(10 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5792] <... close resumed>) = 0 [pid 5791] <... mprotect resumed>) = 0 [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(16 [pid 5785] close(22 [pid 5791] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5789] close(5 [pid 5787] close(11 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5795 attached [pid 5792] read(200, [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(17 [pid 5785] close(23 [pid 5795] set_robust_list(0x7f4e92bc39e0, 24 [pid 5792] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5791] <... clone resumed>, parent_tid=[117], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 117 [pid 5789] close(6 [pid 5787] close(12 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5795] <... set_robust_list resumed>) = 0 [pid 5792] symlink("/dev/binderfs", "./binderfs" [pid 5791] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(18 [pid 5785] close(24 [pid 5795] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5792] <... symlink resumed>) = 0 [pid 5791] <... futex resumed>) = 0 [pid 5789] close(7 [pid 5787] close(13 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5795] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5791] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(19 [pid 5785] close(25 [pid 5795] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5789] close(8 [pid 5787] close(14 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5795] <... futex resumed>) = 0 [pid 5792] <... futex resumed>) = 0 [pid 5791] close(3 [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(20 [pid 5785] close(26 [pid 5795] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] close(9 [pid 5787] close(15 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5792] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5791] close(4 [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(21 [pid 5785] close(27 [pid 5792] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] close(10 [pid 5787] close(16 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5792] <... mprotect resumed>) = 0 [pid 5791] close(5 [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(22 [pid 5785] close(28 [pid 5792] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] close(11 [pid 5787] close(17 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(6 [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(23 [pid 5785] close(29./strace-static-x86_64: Process 5796 attached [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] close(12 [pid 5787] close(18 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5796] set_robust_list(0x7f4e92bc39e0, 24 [pid 5792] <... clone resumed>, parent_tid=[117], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 117 [pid 5791] close(7 [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(24 [pid 5785] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5796] <... set_robust_list resumed>) = 0 [pid 5792] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] close(13 [pid 5787] close(19 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... write resumed>) = 335 [pid 5791] close(8 [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(25 [pid 5785] exit_group(0 [pid 5796] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5792] <... futex resumed>) = 0 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] close(14 [pid 5788] <... futex resumed>) = ? [pid 5787] close(20 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... exit_group resumed>) = ? [pid 5796] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5792] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5791] close(9 [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] +++ exited with 0 +++ [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(26 [pid 5785] +++ exited with 0 +++ [pid 5796] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] close(15 [pid 5787] close(21 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5796] <... futex resumed>) = 1 [pid 5792] <... futex resumed>) = 0 [pid 5791] close(10 [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(27 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=122, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5796] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5792] close(3 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] close(16 [pid 5787] close(22 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(11 [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(28 [pid 5792] close(4 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] close(17 [pid 5787] close(23 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(12 [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(29 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5792] close(5 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] close(18 [pid 5787] close(24 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5032] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(13 [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] <... openat resumed>) = 3 [pid 5792] close(6 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] close(19 [pid 5787] close(25 [pid 5786] <... write resumed>) = 335 [pid 5032] fstat(3, [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(14 [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] exit_group(0 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5792] close(7 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5790] <... futex resumed>) = ? [pid 5789] close(20 [pid 5787] close(26 [pid 5786] <... exit_group resumed>) = ? [pid 5032] getdents64(3, [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(15 [pid 5790] +++ exited with 0 +++ [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] +++ exited with 0 +++ [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5792] close(8 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] close(21 [pid 5787] close(27 [pid 5032] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=120, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(16 [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5792] close(9 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] close(22 [pid 5787] close(28 [pid 5032] lstat("./60/binderfs", [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(17 [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5792] close(10 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] close(23 [pid 5787] close(29 [pid 5032] unlink("./60/binderfs" [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(18 [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5792] close(11 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] close(24 [pid 5787] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5032] umount2("./60/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(19 [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... write resumed>) = 335 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5792] close(12 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] close(25 [pid 5787] exit_group(0 [pid 5032] lstat("./60/cgroup.net", [pid 5031] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5793] <... futex resumed>) = ? [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(20 [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... exit_group resumed>) = ? [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... openat resumed>) = 3 [pid 5793] +++ exited with 0 +++ [pid 5792] close(13 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] close(26 [pid 5032] unlink("./60/cgroup.net" [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(21 [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] fstat(3, [pid 5789] close(27 [pid 5032] <... unlink resumed>) = 0 [pid 5792] close(14 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] +++ exited with 0 +++ [pid 5032] umount2("./60/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(22 [pid 5789] close(28 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] getdents64(3, [pid 5792] close(15 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./60/cgroup.cpu", [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(23 [pid 5789] close(29 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5792] close(16 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOWwrite to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5032] unlink("./60/cgroup.cpu" [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(24 [pid 5789] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... unlink resumed>) = 0 [pid 5031] lstat("./59/binderfs", [pid 5792] close(17 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] <... write resumed>) = 335 [pid 5033] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] umount2("./60/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(25 [pid 5789] exit_group(0 [pid 5033] <... openat resumed>) = 3 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] unlink("./59/binderfs" [pid 5794] <... futex resumed>) = ? [pid 5792] close(18 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] <... exit_group resumed>) = ? [pid 5033] fstat(3, [pid 5032] lstat("./60/cgroup", [pid 5031] <... unlink resumed>) = 0 [pid 5794] +++ exited with 0 +++ [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(26 [pid 5792] close(19 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] umount2("./59/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(27 [pid 5789] +++ exited with 0 +++ [pid 5033] getdents64(3, [pid 5032] unlink("./60/cgroup" [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5792] close(20 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] <... unlink resumed>) = 0 [pid 5031] lstat("./59/cgroup.net", [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(28 [pid 5033] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] getdents64(3, [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5792] close(21 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] unlink("./59/cgroup.net" [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=114, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] close(29 [pid 5033] lstat("./62/binderfs", [pid 5032] close(3 [pid 5031] <... unlink resumed>) = 0 [pid 5028] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5792] close(22 [pid 5791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] <... close resumed>) = 0 [pid 5031] umount2("./59/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5791] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] unlink("./62/binderfs" [pid 5032] rmdir("./60" [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5792] close(23 [pid 5791] <... write resumed>) = 335 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... rmdir resumed>) = 0 [pid 5031] lstat("./59/cgroup.cpu", [pid 5028] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] exit_group(0 [pid 5033] umount2("./62/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] mkdir("./61", 0777 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5795] <... futex resumed>) = ? [pid 5792] close(24 [pid 5791] <... exit_group resumed>) = ? [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... mkdir resumed>) = 0 [pid 5031] unlink("./59/cgroup.cpu" [pid 5028] <... openat resumed>) = 3 [pid 5795] +++ exited with 0 +++ [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] +++ exited with 0 +++ [pid 5033] lstat("./62/cgroup.net", [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] <... unlink resumed>) = 0 [pid 5792] close(25 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] fstat(3, ./strace-static-x86_64: Process 5797 attached [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./62/cgroup.net" [pid 5031] umount2("./59/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5797] set_robust_list(0x55555580e6e0, 24 [pid 5792] close(26 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 124 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=116, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5797] <... set_robust_list resumed>) = 0 [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./62/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] lstat("./59/cgroup", [pid 5030] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] getdents64(3, [pid 5797] chdir("./61" [pid 5792] close(27 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5797] <... chdir resumed>) = 0 [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./62/cgroup.cpu", [pid 5031] unlink("./59/cgroup" [pid 5030] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5797] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5792] close(28 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5030] <... openat resumed>) = 3 [pid 5797] <... prctl resumed>) = 0 [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./62/cgroup.cpu" [pid 5031] getdents64(3, [pid 5030] fstat(3, [pid 5028] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5797] setpgid(0, 0 [pid 5792] close(29 [pid 5033] <... unlink resumed>) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5797] <... setpgid resumed>) = 0 [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./62/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] close(3 [pid 5030] getdents64(3, [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5797] symlink("/syzcgroup/unified/syz1", "./cgroup"write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5792] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... close resumed>) = 0 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5797] <... symlink resumed>) = 0 [pid 5792] <... write resumed>) = 335 [pid 5033] lstat("./62/cgroup", [pid 5031] rmdir("./59" [pid 5030] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] lstat("./56/binderfs", [pid 5797] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5792] exit_group(0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] <... rmdir resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5797] <... symlink resumed>) = 0 [pid 5796] <... futex resumed>) = ? [pid 5792] <... exit_group resumed>) = ? [pid 5033] unlink("./62/cgroup" [pid 5031] mkdir("./60", 0777 [pid 5030] lstat("./57/binderfs", [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5797] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5796] +++ exited with 0 +++ [pid 5792] +++ exited with 0 +++ [pid 5033] <... unlink resumed>) = 0 [pid 5031] <... mkdir resumed>) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] unlink("./56/binderfs" [pid 5797] <... symlink resumed>) = 0 [pid 5033] getdents64(3, [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] unlink("./57/binderfs" [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=116, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- ./strace-static-x86_64: Process 5798 attached [pid 5797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5798] set_robust_list(0x55555580e6e0, 24 [pid 5797] <... openat resumed>) = 3 [pid 5033] close(3 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 122 [pid 5030] umount2("./57/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5798] <... set_robust_list resumed>) = 0 [pid 5797] write(3, "1000", 4 [pid 5033] <... close resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] umount2("./56/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5798] chdir("./60" [pid 5797] <... write resumed>) = 4 [pid 5033] rmdir("./62" [pid 5030] lstat("./57/cgroup.net", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5798] <... chdir resumed>) = 0 [pid 5797] close(3 [pid 5033] <... rmdir resumed>) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5798] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5797] <... close resumed>) = 0 [pid 5033] mkdir("./63", 0777 [pid 5030] unlink("./57/cgroup.net" [pid 5029] <... openat resumed>) = 3 [pid 5798] <... prctl resumed>) = 0 [pid 5797] read(200, [pid 5033] <... mkdir resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5029] fstat(3, [pid 5028] lstat("./56/cgroup.net", [pid 5798] setpgid(0, 0 [pid 5797] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] umount2("./57/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 ./strace-static-x86_64: Process 5799 attached [pid 5798] <... setpgid resumed>) = 0 [pid 5797] symlink("/dev/binderfs", "./binderfs" [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] getdents64(3, [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5798] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5797] <... symlink resumed>) = 0 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 128 [pid 5030] lstat("./57/cgroup.cpu", [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] unlink("./56/cgroup.net" [pid 5799] set_robust_list(0x55555580e6e0, 24 [pid 5798] <... symlink resumed>) = 0 [pid 5797] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5799] <... set_robust_list resumed>) = 0 [pid 5798] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5797] <... futex resumed>) = 0 [pid 5030] unlink("./57/cgroup.cpu" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 5799] chdir("./63" [pid 5798] <... symlink resumed>) = 0 [pid 5797] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5030] <... unlink resumed>) = 0 [pid 5029] lstat("./57/binderfs", [pid 5798] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5797] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5030] umount2("./57/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] umount2("./56/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5799] <... chdir resumed>) = 0 [pid 5798] <... symlink resumed>) = 0 [pid 5797] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./57/binderfs" [pid 5799] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5797] <... mprotect resumed>) = 0 [pid 5030] lstat("./57/cgroup", [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5799] <... prctl resumed>) = 0 [pid 5798] <... openat resumed>) = 3 [pid 5797] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] umount2("./57/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5800 attached [pid 5799] setpgid(0, 0 [pid 5798] write(3, "1000", 4 [pid 5030] unlink("./57/cgroup" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./56/cgroup.cpu", [pid 5800] set_robust_list(0x7f4e92bc39e0, 24 [pid 5799] <... setpgid resumed>) = 0 [pid 5798] <... write resumed>) = 4 [pid 5797] <... clone resumed>, parent_tid=[125], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 125 [pid 5030] <... unlink resumed>) = 0 [pid 5029] lstat("./57/cgroup.net", [pid 5800] <... set_robust_list resumed>) = 0 [pid 5799] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5798] close(3 [pid 5797] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] getdents64(3, [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5800] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5799] <... symlink resumed>) = 0 [pid 5798] <... close resumed>) = 0 [pid 5797] <... futex resumed>) = 0 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] unlink("./57/cgroup.net" [pid 5028] unlink("./56/cgroup.cpu" [pid 5800] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5799] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5798] read(200, [pid 5797] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5030] close(3 [pid 5029] <... unlink resumed>) = 0 [pid 5800] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5798] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5030] <... close resumed>) = 0 [pid 5029] umount2("./57/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 [pid 5800] <... futex resumed>) = 0 [pid 5799] <... symlink resumed>) = 0 [pid 5798] symlink("/dev/binderfs", "./binderfs" [pid 5797] close(3 [pid 5030] rmdir("./57" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./56/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5800] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5799] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5798] <... symlink resumed>) = 0 [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... rmdir resumed>) = 0 [pid 5029] lstat("./57/cgroup.cpu", [pid 5798] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5797] close(4 [pid 5030] mkdir("./58", 0777 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5799] <... symlink resumed>) = 0 [pid 5798] <... futex resumed>) = 0 [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... mkdir resumed>) = 0 [pid 5029] unlink("./57/cgroup.cpu" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5798] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5797] close(5 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] <... unlink resumed>) = 0 [pid 5799] <... openat resumed>) = 3 [pid 5798] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] umount2("./57/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] lstat("./56/cgroup", ./strace-static-x86_64: Process 5801 attached [pid 5798] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5797] close(6 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 118 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5801] set_robust_list(0x55555580e6e0, 24 [pid 5799] write(3, "1000", 4 [pid 5798] <... mprotect resumed>) = 0 [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] lstat("./57/cgroup", [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5801] <... set_robust_list resumed>) = 0 [pid 5799] <... write resumed>) = 4 [pid 5798] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5797] close(7 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 5802 attached [pid 5801] chdir("./58" [pid 5799] close(3 [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] unlink("./57/cgroup" [pid 5028] unlink("./56/cgroup" [pid 5802] set_robust_list(0x7f4e92bc39e0, 24 [pid 5801] <... chdir resumed>) = 0 [pid 5799] <... close resumed>) = 0 [pid 5798] <... clone resumed>, parent_tid=[123], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 123 [pid 5797] close(8 [pid 5029] <... unlink resumed>) = 0 [pid 5802] <... set_robust_list resumed>) = 0 [pid 5798] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5799] read(200, [pid 5029] getdents64(3, [pid 5028] <... unlink resumed>) = 0 [pid 5802] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5801] <... prctl resumed>) = 0 [pid 5799] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5798] <... futex resumed>) = 0 [pid 5797] close(9 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5802] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5801] setpgid(0, 0 [pid 5799] symlink("/dev/binderfs", "./binderfs" [pid 5798] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] close(3 [pid 5028] getdents64(3, [pid 5802] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] <... setpgid resumed>) = 0 [pid 5799] <... symlink resumed>) = 0 [pid 5798] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5797] close(10 [pid 5029] <... close resumed>) = 0 [pid 5802] <... futex resumed>) = 0 [pid 5801] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5798] close(3 [pid 5799] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] rmdir("./57" [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5802] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5801] <... symlink resumed>) = 0 [pid 5799] <... futex resumed>) = 0 [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5797] close(11 [pid 5029] <... rmdir resumed>) = 0 [pid 5028] close(3 [pid 5801] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5799] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5798] close(4 [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] mkdir("./58", 0777 [pid 5028] <... close resumed>) = 0 [pid 5801] <... symlink resumed>) = 0 [pid 5799] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5797] close(12 [pid 5029] <... mkdir resumed>) = 0 [pid 5028] rmdir("./56" [pid 5801] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5799] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5798] close(5 [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5803 attached [pid 5801] <... symlink resumed>) = 0 [pid 5799] <... mprotect resumed>) = 0 [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5797] close(13 [pid 5028] <... rmdir resumed>) = 0 [pid 5803] set_robust_list(0x55555580e6e0, 24 [pid 5801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5799] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5798] close(6 [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 118 [pid 5028] mkdir("./57", 0777./strace-static-x86_64: Process 5804 attached [pid 5803] <... set_robust_list resumed>) = 0 [pid 5801] <... openat resumed>) = 3 [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5797] close(14 [pid 5028] <... mkdir resumed>) = 0 [pid 5804] set_robust_list(0x7f4e92bc39e0, 24 [pid 5803] chdir("./58" [pid 5801] write(3, "1000", 4 [pid 5799] <... clone resumed>, parent_tid=[129], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 129 [pid 5798] close(7 [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5805 attached [pid 5804] <... set_robust_list resumed>) = 0 [pid 5803] <... chdir resumed>) = 0 [pid 5801] <... write resumed>) = 4 [pid 5799] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5797] close(15 [pid 5804] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5803] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5801] close(3 [pid 5799] <... futex resumed>) = 0 [pid 5798] close(8 [pid 5805] set_robust_list(0x55555580e6e0, 24 [pid 5804] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5803] <... prctl resumed>) = 0 [pid 5801] <... close resumed>) = 0 [pid 5799] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 116 [pid 5805] <... set_robust_list resumed>) = 0 [pid 5804] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] setpgid(0, 0 [pid 5801] read(200, [pid 5799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5798] close(9 [pid 5797] close(16 [pid 5805] chdir("./57" [pid 5804] <... futex resumed>) = 0 [pid 5803] <... setpgid resumed>) = 0 [pid 5801] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5799] close(3 [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5805] <... chdir resumed>) = 0 [pid 5804] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5803] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5801] symlink("/dev/binderfs", "./binderfs" [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5798] close(10 [pid 5797] close(17 [pid 5805] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5803] <... symlink resumed>) = 0 [pid 5801] <... symlink resumed>) = 0 [pid 5799] close(4 [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5803] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5801] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5798] close(11 [pid 5805] <... prctl resumed>) = 0 [pid 5803] <... symlink resumed>) = 0 [pid 5801] <... futex resumed>) = 0 [pid 5799] close(5 [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5797] close(18 [pid 5805] setpgid(0, 0 [pid 5803] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5798] close(12 [pid 5805] <... setpgid resumed>) = 0 [pid 5803] <... symlink resumed>) = 0 [pid 5801] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5799] close(6 [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5805] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5801] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5798] close(13 [pid 5797] close(19 [pid 5805] <... symlink resumed>) = 0 [pid 5803] <... openat resumed>) = 3 [pid 5801] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5799] close(7 [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5805] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5803] write(3, "1000", 4 [pid 5801] <... mprotect resumed>) = 0 [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5798] close(14 [pid 5797] close(20 [pid 5805] <... symlink resumed>) = 0 [pid 5803] <... write resumed>) = 4 [pid 5799] close(8 [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5805] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5806 attached [pid 5805] <... symlink resumed>) = 0 [pid 5803] close(3 [pid 5801] <... clone resumed>, parent_tid=[119], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 119 [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5798] close(15 [pid 5797] close(21 [pid 5806] set_robust_list(0x7f4e92bc39e0, 24 [pid 5805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5801] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] <... close resumed>) = 0 [pid 5799] close(9 [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] <... set_robust_list resumed>) = 0 [pid 5805] <... openat resumed>) = 3 [pid 5803] read(200, [pid 5801] <... futex resumed>) = 0 [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5798] close(16 [pid 5797] close(22 [pid 5806] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5805] write(3, "1000", 4 [pid 5803] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5801] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5799] close(10 [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5805] <... write resumed>) = 4 [pid 5803] symlink("/dev/binderfs", "./binderfs" [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5798] close(17 [pid 5797] close(23 [pid 5805] close(3 [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5805] <... close resumed>) = 0 [pid 5803] <... symlink resumed>) = 0 [pid 5799] close(11 [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5797] close(24 [pid 5806] <... futex resumed>) = 1 [pid 5805] read(200, [pid 5801] <... futex resumed>) = 0 [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5798] close(18 [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5803] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5805] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5803] <... futex resumed>) = 0 [pid 5801] close(3 [pid 5799] close(12 [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5797] close(25 [pid 5805] symlink("/dev/binderfs", "./binderfs" [pid 5803] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5798] close(19 [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5805] <... symlink resumed>) = 0 [pid 5803] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5801] close(4 [pid 5799] close(13 [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5797] close(26 [pid 5805] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5798] close(20 [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5805] <... futex resumed>) = 0 [pid 5803] <... mprotect resumed>) = 0 [pid 5801] close(5 [pid 5799] close(14 [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5797] close(27 [pid 5805] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5803] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5807 attached [pid 5805] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5801] close(6 [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5798] close(21 [pid 5797] close(28 [pid 5807] set_robust_list(0x7f4e92bc39e0, 24 [pid 5805] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5803] <... clone resumed>, parent_tid=[119], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 119 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] close(15 [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5807] <... set_robust_list resumed>) = 0 [pid 5805] <... mprotect resumed>) = 0 [pid 5803] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] close(7 [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5798] close(22 [pid 5797] close(29 [pid 5807] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5805] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5803] <... futex resumed>) = 0 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] close(16 [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5797] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory ./strace-static-x86_64: Process 5808 attached [pid 5807] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5803] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5801] close(8 [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5798] close(23 [pid 5797] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5808] set_robust_list(0x7f4e92bc39e0, 24 [pid 5807] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5805] <... clone resumed>, parent_tid=[117], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 117 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] close(17 [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5797] <... write resumed>) = 335 [pid 5808] <... set_robust_list resumed>) = 0 [pid 5807] <... futex resumed>) = 0 [pid 5805] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5801] close(9 [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5798] close(24 [pid 5797] exit_group(0 [pid 5808] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5807] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5805] <... futex resumed>) = 0 [pid 5803] close(3 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5800] <... futex resumed>) = ? [pid 5799] close(18 [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5797] <... exit_group resumed>) = ? [pid 5808] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5805] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] close(10 [pid 5800] +++ exited with 0 +++ [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5798] close(25 [pid 5797] +++ exited with 0 +++ [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=124, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5808] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5805] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] close(19 [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] <... futex resumed>) = 0 [pid 5805] close(3 [pid 5803] close(4 [pid 5801] close(11 [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5798] close(26 [pid 5808] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] close(20 [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5805] close(4 [pid 5803] close(5 [pid 5801] close(12 [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5798] close(27 [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] close(21 [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5805] close(5 [pid 5803] close(6 [pid 5801] close(13 [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5798] close(28 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] close(22 [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5805] close(6 [pid 5803] close(7 [pid 5801] close(14 [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5798] close(29 [pid 5032] <... openat resumed>) = 3 [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] close(23 [pid 5798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] fstat(3, [pid 5805] close(7write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5803] close(8 [pid 5801] close(15 [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5798] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] close(24 [pid 5798] <... write resumed>) = 335 [pid 5032] getdents64(3, [pid 5805] close(8 [pid 5803] close(9 [pid 5801] close(16 [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5798] exit_group(0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5802] <... futex resumed>) = ? [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] close(25 [pid 5798] <... exit_group resumed>) = ? [pid 5032] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5805] close(9 [pid 5803] close(10 [pid 5802] +++ exited with 0 +++ [pid 5801] close(17 [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] close(26 [pid 5798] +++ exited with 0 +++ [pid 5032] lstat("./61/binderfs", [pid 5805] close(10 [pid 5803] close(11 [pid 5801] close(18 [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5803] close(12 [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] close(27 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=122, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5805] close(11 [pid 5801] close(19 [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./61/binderfs" [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5803] close(13 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] close(28 [pid 5032] <... unlink resumed>) = 0 [pid 5805] close(12 [pid 5803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] close(20 [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./61/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5803] close(14 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] close(29 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5805] close(13 [pid 5803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] close(21 [pid 5799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./61/cgroup.net", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5803] close(15 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5799] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5805] close(14 [pid 5803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] close(22 [pid 5799] <... write resumed>) = 335 [pid 5803] close(16 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./61/cgroup.net" [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... openat resumed>) = 3 [pid 5803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] exit_group(0 [pid 5805] close(15 [pid 5803] close(17 [pid 5801] close(23 [pid 5032] <... unlink resumed>) = 0 [pid 5031] fstat(3, [pid 5804] <... futex resumed>) = ? [pid 5803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] <... exit_group resumed>) = ? [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5804] +++ exited with 0 +++ [pid 5803] close(18 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./61/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5803] close(19) = -1 EBADF (Bad file descriptor) [pid 5803] close(20) = -1 EBADF (Bad file descriptor) [pid 5803] close(21) = -1 EBADF (Bad file descriptor) [pid 5803] close(22) = -1 EBADF (Bad file descriptor) [pid 5803] close(23) = -1 EBADF (Bad file descriptor) [pid 5805] close(16 [pid 5803] close(24 [pid 5799] +++ exited with 0 +++ [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] getdents64(3, [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] close(24 [pid 5805] close(17 [pid 5803] close(25 [pid 5032] lstat("./61/cgroup.cpu", [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5805] close(18 [pid 5803] close(26 [pid 5801] close(25 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=128, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5803] close(27 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./61/cgroup.cpu" [pid 5805] close(19 [pid 5803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5803] close(28write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory ) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./60/binderfs", [pid 5803] close(29) = -1 EBADF (Bad file descriptor) [pid 5803] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5801] close(26 [pid 5032] <... unlink resumed>) = 0 [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5803] <... write resumed>) = 335 [pid 5033] restart_syscall(<... resuming interrupted clone ...> [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5805] close(20 [pid 5803] exit_group(0 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... restart_syscall resumed>) = 0 [pid 5032] umount2("./61/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] unlink("./60/binderfs" [pid 5807] <... futex resumed>) = ? [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5803] <... exit_group resumed>) = ? [pid 5801] close(27 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... unlink resumed>) = 0 [pid 5807] +++ exited with 0 +++ [pid 5805] close(21 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./61/cgroup", [pid 5031] umount2("./60/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5803] +++ exited with 0 +++ [pid 5801] close(28 [pid 5033] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5805] close(22 [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=118, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5032] unlink("./61/cgroup" [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] close(29 [pid 5033] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] lstat("./60/cgroup.net", [pid 5805] close(23 [pid 5032] <... unlink resumed>) = 0 [pid 5033] <... openat resumed>) = 3 [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 5032] getdents64(3, [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5805] close(24 [pid 5801] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] unlink("./60/cgroup.net" [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5805] close(25 [pid 5801] <... write resumed>) = 335 [pid 5033] getdents64(3, [pid 5032] close(3 [pid 5031] <... unlink resumed>) = 0 [pid 5029] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] exit_group(0 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] <... close resumed>) = 0 [pid 5031] umount2("./60/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... openat resumed>) = 3 [pid 5806] <... futex resumed>) = ? [pid 5805] close(26 [pid 5801] <... exit_group resumed>) = ? [pid 5033] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] rmdir("./61" [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] fstat(3, [pid 5806] +++ exited with 0 +++ [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5801] +++ exited with 0 +++ [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... rmdir resumed>) = 0 [pid 5031] lstat("./60/cgroup.cpu", [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5805] close(27 [pid 5033] lstat("./63/binderfs", [pid 5032] mkdir("./62", 0777 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] getdents64(3, [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] <... mkdir resumed>) = 0 [pid 5031] unlink("./60/cgroup.cpu" [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=118, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5805] close(28 [pid 5033] unlink("./63/binderfs" [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] <... unlink resumed>) = 0 [pid 5030] restart_syscall(<... resuming interrupted clone ...> [pid 5029] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5809 attached [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5031] umount2("./60/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... restart_syscall resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5809] set_robust_list(0x55555580e6e0, 24 [pid 5805] close(29 [pid 5033] umount2("./63/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 126 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./58/binderfs", [pid 5809] <... set_robust_list resumed>) = 0 [pid 5805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] lstat("./60/cgroup", [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5809] chdir("./62" write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5805] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] lstat("./63/cgroup.net", [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./58/binderfs" [pid 5809] <... chdir resumed>) = 0 [pid 5805] <... write resumed>) = 335 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] unlink("./60/cgroup" [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5809] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5805] exit_group(0 [pid 5033] unlink("./63/cgroup.net" [pid 5031] <... unlink resumed>) = 0 [pid 5030] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] umount2("./58/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5809] <... prctl resumed>) = 0 [pid 5808] <... futex resumed>) = ? [pid 5805] <... exit_group resumed>) = ? [pid 5033] <... unlink resumed>) = 0 [pid 5031] getdents64(3, [pid 5030] <... openat resumed>) = 3 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5809] setpgid(0, 0 [pid 5033] umount2("./63/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] fstat(3, [pid 5029] lstat("./58/cgroup.net", [pid 5809] <... setpgid resumed>) = 0 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] close(3 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5809] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5808] +++ exited with 0 +++ [pid 5805] +++ exited with 0 +++ [pid 5033] lstat("./63/cgroup.cpu", [pid 5031] <... close resumed>) = 0 [pid 5030] getdents64(3, [pid 5029] unlink("./58/cgroup.net" [pid 5809] <... symlink resumed>) = 0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] rmdir("./60" [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] <... unlink resumed>) = 0 [pid 5809] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5033] unlink("./63/cgroup.cpu" [pid 5031] <... rmdir resumed>) = 0 [pid 5030] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./58/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=116, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5809] <... symlink resumed>) = 0 [pid 5033] <... unlink resumed>) = 0 [pid 5031] mkdir("./61", 0777 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] restart_syscall(<... resuming interrupted clone ...> [pid 5809] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5033] umount2("./63/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... mkdir resumed>) = 0 [pid 5030] lstat("./58/binderfs", [pid 5029] lstat("./58/cgroup.cpu", [pid 5028] <... restart_syscall resumed>) = 0 [pid 5809] <... symlink resumed>) = 0 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5810 attached [pid 5809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5033] lstat("./63/cgroup", [pid 5030] unlink("./58/binderfs" [pid 5029] unlink("./58/cgroup.cpu" [pid 5810] set_robust_list(0x55555580e6e0, 24 [pid 5809] <... openat resumed>) = 3 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 124 [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5028] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5810] <... set_robust_list resumed>) = 0 [pid 5809] write(3, "1000", 4 [pid 5033] unlink("./63/cgroup" [pid 5030] umount2("./58/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./58/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5810] chdir("./61" [pid 5809] <... write resumed>) = 4 [pid 5033] <... unlink resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5810] <... chdir resumed>) = 0 [pid 5809] close(3 [pid 5033] getdents64(3, [pid 5030] lstat("./58/cgroup.net", [pid 5029] lstat("./58/cgroup", [pid 5028] <... openat resumed>) = 3 [pid 5810] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5809] <... close resumed>) = 0 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] fstat(3, [pid 5810] <... prctl resumed>) = 0 [pid 5809] read(200, [pid 5033] close(3 [pid 5030] unlink("./58/cgroup.net" [pid 5029] unlink("./58/cgroup" [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5810] setpgid(0, 0 [pid 5809] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] <... close resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5028] getdents64(3, [pid 5810] <... setpgid resumed>) = 0 [pid 5809] symlink("/dev/binderfs", "./binderfs" [pid 5033] rmdir("./63" [pid 5030] umount2("./58/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] getdents64(3, [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5810] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5809] <... symlink resumed>) = 0 [pid 5033] <... rmdir resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5810] <... symlink resumed>) = 0 [pid 5809] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] mkdir("./64", 0777 [pid 5030] lstat("./58/cgroup.cpu", [pid 5029] close(3 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5809] <... futex resumed>) = 0 [pid 5033] <... mkdir resumed>) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... close resumed>) = 0 [pid 5028] lstat("./57/binderfs", [pid 5809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] unlink("./58/cgroup.cpu" [pid 5029] rmdir("./58" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 5811 attached [pid 5810] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5809] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... rmdir resumed>) = 0 [pid 5028] unlink("./57/binderfs" [pid 5811] set_robust_list(0x55555580e6e0, 24 [pid 5810] <... symlink resumed>) = 0 [pid 5809] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 130 [pid 5030] umount2("./58/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] mkdir("./59", 0777 [pid 5028] <... unlink resumed>) = 0 [pid 5811] <... set_robust_list resumed>) = 0 [pid 5810] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5809] <... mprotect resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... mkdir resumed>) = 0 [pid 5028] umount2("./57/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5811] chdir("./64" [pid 5810] <... symlink resumed>) = 0 [pid 5809] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5030] lstat("./58/cgroup", [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5812 attached [pid 5811] <... chdir resumed>) = 0 [pid 5810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] lstat("./57/cgroup.net", ./strace-static-x86_64: Process 5813 attached [pid 5812] set_robust_list(0x7f4e92bc39e0, 24 [pid 5811] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5810] <... openat resumed>) = 3 [pid 5809] <... clone resumed>, parent_tid=[127], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 127 [pid 5030] unlink("./58/cgroup" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5813] set_robust_list(0x55555580e6e0, 24 [pid 5812] <... set_robust_list resumed>) = 0 [pid 5811] <... prctl resumed>) = 0 [pid 5810] write(3, "1000", 4 [pid 5809] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 120 [pid 5028] unlink("./57/cgroup.net" [pid 5813] <... set_robust_list resumed>) = 0 [pid 5812] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5811] setpgid(0, 0 [pid 5810] <... write resumed>) = 4 [pid 5809] <... futex resumed>) = 0 [pid 5030] getdents64(3, [pid 5028] <... unlink resumed>) = 0 [pid 5813] chdir("./59" [pid 5812] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5811] <... setpgid resumed>) = 0 [pid 5810] close(3 [pid 5809] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] umount2("./57/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5813] <... chdir resumed>) = 0 [pid 5812] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5811] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5810] <... close resumed>) = 0 [pid 5809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5030] close(3 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5813] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5812] <... futex resumed>) = 0 [pid 5811] <... symlink resumed>) = 0 [pid 5810] read(200, [pid 5809] close(3 [pid 5030] <... close resumed>) = 0 [pid 5028] lstat("./57/cgroup.cpu", [pid 5813] <... prctl resumed>) = 0 [pid 5812] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5811] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5810] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] rmdir("./58" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5813] setpgid(0, 0 [pid 5811] <... symlink resumed>) = 0 [pid 5810] symlink("/dev/binderfs", "./binderfs" [pid 5809] close(4 [pid 5030] <... rmdir resumed>) = 0 [pid 5028] unlink("./57/cgroup.cpu" [pid 5813] <... setpgid resumed>) = 0 [pid 5811] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5810] <... symlink resumed>) = 0 [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] mkdir("./59", 0777 [pid 5028] <... unlink resumed>) = 0 [pid 5813] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5811] <... symlink resumed>) = 0 [pid 5810] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] close(5 [pid 5030] <... mkdir resumed>) = 0 [pid 5028] umount2("./57/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5813] <... symlink resumed>) = 0 [pid 5811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5810] <... futex resumed>) = 0 [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5814 attached [pid 5813] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5811] <... openat resumed>) = 3 [pid 5810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5809] close(6 [pid 5028] lstat("./57/cgroup", [pid 5814] set_robust_list(0x55555580e6e0, 24 [pid 5813] <... symlink resumed>) = 0 [pid 5811] write(3, "1000", 4 [pid 5810] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 120 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5814] <... set_robust_list resumed>) = 0 [pid 5813] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5811] <... write resumed>) = 4 [pid 5810] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5809] close(7 [pid 5028] unlink("./57/cgroup" [pid 5814] chdir("./59" [pid 5813] <... symlink resumed>) = 0 [pid 5811] close(3 [pid 5810] <... mprotect resumed>) = 0 [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... unlink resumed>) = 0 [pid 5814] <... chdir resumed>) = 0 [pid 5813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5811] <... close resumed>) = 0 [pid 5810] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5809] close(8 [pid 5028] getdents64(3, ./strace-static-x86_64: Process 5815 attached [pid 5814] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5813] <... openat resumed>) = 3 [pid 5811] read(200, [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5815] set_robust_list(0x7f4e92bc39e0, 24 [pid 5814] <... prctl resumed>) = 0 [pid 5813] write(3, "1000", 4 [pid 5811] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5810] <... clone resumed>, parent_tid=[125], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 125 [pid 5809] close(9 [pid 5028] close(3 [pid 5815] <... set_robust_list resumed>) = 0 [pid 5814] setpgid(0, 0 [pid 5813] <... write resumed>) = 4 [pid 5811] symlink("/dev/binderfs", "./binderfs" [pid 5810] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... close resumed>) = 0 [pid 5815] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5814] <... setpgid resumed>) = 0 [pid 5813] close(3 [pid 5811] <... symlink resumed>) = 0 [pid 5810] <... futex resumed>) = 0 [pid 5809] close(10 [pid 5028] rmdir("./57" [pid 5815] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5814] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5813] <... close resumed>) = 0 [pid 5811] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5810] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... rmdir resumed>) = 0 [pid 5815] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... symlink resumed>) = 0 [pid 5813] read(200, [pid 5811] <... futex resumed>) = 0 [pid 5810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5809] close(11 [pid 5028] mkdir("./58", 0777 [pid 5815] <... futex resumed>) = 0 [pid 5814] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5813] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5811] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5810] close(3 [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... mkdir resumed>) = 0 [pid 5815] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5814] <... symlink resumed>) = 0 [pid 5813] symlink("/dev/binderfs", "./binderfs" [pid 5811] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] close(12 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5814] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5813] <... symlink resumed>) = 0 [pid 5811] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5810] close(4 [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5816 attached [pid 5814] <... symlink resumed>) = 0 [pid 5813] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5811] <... mprotect resumed>) = 0 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] close(13 [pid 5816] set_robust_list(0x55555580e6e0, 24 [pid 5814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5813] <... futex resumed>) = 0 [pid 5811] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5810] close(5 [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 118 ./strace-static-x86_64: Process 5817 attached [pid 5816] <... set_robust_list resumed>) = 0 [pid 5814] <... openat resumed>) = 3 [pid 5813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] close(14 [pid 5817] set_robust_list(0x7f4e92bc39e0, 24 [pid 5816] chdir("./58" [pid 5814] write(3, "1000", 4 [pid 5813] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5811] <... clone resumed>, parent_tid=[131], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 131 [pid 5810] close(6 [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5817] <... set_robust_list resumed>) = 0 [pid 5813] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5811] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] close(15 [pid 5817] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5816] <... chdir resumed>) = 0 [pid 5814] <... write resumed>) = 4 [pid 5813] <... mprotect resumed>) = 0 [pid 5811] <... futex resumed>) = 0 [pid 5810] close(7 [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5817] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5816] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5814] close(3 [pid 5813] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5811] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] close(16./strace-static-x86_64: Process 5818 attached [pid 5817] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] <... prctl resumed>) = 0 [pid 5814] <... close resumed>) = 0 [pid 5811] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5810] close(8 [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5818] set_robust_list(0x7f4e92bc39e0, 24 [pid 5817] <... futex resumed>) = 0 [pid 5816] setpgid(0, 0 [pid 5814] read(200, [pid 5813] <... clone resumed>, parent_tid=[121], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 121 [pid 5811] close(3 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] close(17 [pid 5818] <... set_robust_list resumed>) = 0 [pid 5817] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5816] <... setpgid resumed>) = 0 [pid 5814] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5813] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(9 [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5818] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5816] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5814] symlink("/dev/binderfs", "./binderfs" [pid 5813] <... futex resumed>) = 0 [pid 5811] close(4 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] close(18 [pid 5818] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5813] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(10 [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5818] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] <... symlink resumed>) = 0 [pid 5814] <... symlink resumed>) = 0 [pid 5813] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5811] close(5 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] close(19 [pid 5818] <... futex resumed>) = 0 [pid 5816] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5814] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] close(3 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(11 [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5818] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5816] <... symlink resumed>) = 0 [pid 5814] <... futex resumed>) = 0 [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] close(6 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] close(20 [pid 5816] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5814] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5813] close(4 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(12 [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5816] <... symlink resumed>) = 0 [pid 5814] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] close(7 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] close(21 [pid 5816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5814] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5813] close(5 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(13 [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5816] <... openat resumed>) = 3 [pid 5814] <... mprotect resumed>) = 0 [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] close(8 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] close(22 [pid 5816] write(3, "1000", 4 [pid 5814] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5813] close(6 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(14 [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5819 attached [pid 5816] <... write resumed>) = 4 [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] close(9 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] close(23 [pid 5819] set_robust_list(0x7f4e92bc39e0, 24 [pid 5816] close(3 [pid 5814] <... clone resumed>, parent_tid=[121], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 121 [pid 5813] close(7 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(15 [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5819] <... set_robust_list resumed>) = 0 [pid 5816] <... close resumed>) = 0 [pid 5814] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] close(10 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] close(24 [pid 5819] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5816] read(200, [pid 5814] <... futex resumed>) = 0 [pid 5813] close(8 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(16 [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5819] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5816] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5814] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] close(11 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] close(25 [pid 5819] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] symlink("/dev/binderfs", "./binderfs" [pid 5814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5813] close(9 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(17 [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5819] <... futex resumed>) = 0 [pid 5816] <... symlink resumed>) = 0 [pid 5814] close(3 [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] close(12 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] close(26 [pid 5819] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5816] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] close(10 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(18 [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] close(13 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] close(27 [pid 5813] close(11 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(19 [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5816] <... futex resumed>) = 0 [pid 5814] close(4 [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] close(14 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] close(28 [pid 5816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] close(12 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(20 [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5816] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5814] close(5 [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] close(15 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] close(29write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5816] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] close(13 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(21 [pid 5809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] close(16 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5816] <... mprotect resumed>) = 0 [pid 5814] close(6 [pid 5816] clone(child_stack=0x7f4e92bc32f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] close(14 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(22 [pid 5809] <... write resumed>) = 335 [pid 5814] close(7 [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] close(17 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] exit_group(0./strace-static-x86_64: Process 5820 attached [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] close(15 [pid 5812] <... futex resumed>) = ? [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(23 [pid 5809] <... exit_group resumed>) = ? [pid 5820] set_robust_list(0x7f4e92bc39e0, 24 [pid 5816] <... clone resumed>, parent_tid=[119], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 119 [pid 5814] close(8 [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5812] +++ exited with 0 +++ [pid 5811] close(18 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] +++ exited with 0 +++ [pid 5820] <... set_robust_list resumed>) = 0 [pid 5816] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] close(16 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(24 [pid 5820] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5816] <... futex resumed>) = 0 [pid 5814] close(9 [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] close(19 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=126, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5820] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5816] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] close(17 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(25 [pid 5032] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5820] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] close(20 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5820] <... futex resumed>) = 0 [pid 5816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5814] close(10 [pid 5813] close(18 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(26 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5820] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5816] close(3 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] close(21 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] close(11 [pid 5813] close(19 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(27 [pid 5032] <... openat resumed>) = 3 [pid 5816] close(4 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] close(22 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] fstat(3, [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] close(12 [pid 5813] close(20 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(28 [pid 5816] close(5 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] close(23 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] close(13 [pid 5813] close(21 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(29 [pid 5816] close(6 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] close(24 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] getdents64(3, write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] close(14 [pid 5813] close(22 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5816] close(7 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] close(25 [pid 5810] <... write resumed>) = 335 [pid 5813] close(23 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] exit_group(0 [pid 5032] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5815] <... futex resumed>) = ? [pid 5814] close(15 [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] close(26 [pid 5810] <... exit_group resumed>) = ? [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5816] close(8 [pid 5815] +++ exited with 0 +++ [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] close(24 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] +++ exited with 0 +++ [pid 5814] close(16 [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] close(27 [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=124, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] close(25 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./62/binderfs", [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] close(28 [pid 5816] close(9 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] close(26 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] close(17 [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] close(29 [pid 5032] unlink("./62/binderfs" [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5816] close(10 [pid 5813] close(27 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] close(18 [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... openat resumed>) = 3 [pid 5816] close(11 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] close(28 [pid 5811] <... write resumed>) = 335 [pid 5032] umount2("./62/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] fstat(3, [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] close(19 [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] exit_group(0 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5817] <... futex resumed>) = ? [pid 5816] close(12 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] close(29 [pid 5811] <... exit_group resumed>) = ? [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] getdents64(3, [pid 5817] +++ exited with 0 +++ [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] close(20 [pid 5813] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./62/cgroup.net", [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5816] close(13write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] +++ exited with 0 +++ [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] close(21 [pid 5813] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=130, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5032] unlink("./62/cgroup.net" [pid 5031] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5816] close(14 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] <... write resumed>) = 335 [pid 5032] <... unlink resumed>) = 0 [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] close(22 [pid 5032] umount2("./62/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5816] close(15 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] exit_group(0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] lstat("./61/binderfs", [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] close(23 [pid 5032] lstat("./62/cgroup.cpu", [pid 5818] <... futex resumed>) = ? [pid 5816] close(16 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] <... exit_group resumed>) = ? [pid 5033] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5818] +++ exited with 0 +++ [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] close(24 [pid 5032] unlink("./62/cgroup.cpu" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5816] close(17 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] close(25 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] umount2("./62/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] unlink("./61/binderfs" [pid 5816] close(18 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] close(26 [pid 5033] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] lstat("./62/cgroup", [pid 5816] close(19 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] close(27 [pid 5033] <... openat resumed>) = 3 [pid 5032] unlink("./62/cgroup" [pid 5816] close(20 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] +++ exited with 0 +++ [pid 5033] fstat(3, [pid 5032] <... unlink resumed>) = 0 [pid 5031] umount2("./61/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] close(28 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] getdents64(3, [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5816] close(21 <