./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 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] 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 5033] getdents64(3, [pid 5032] close(3 [pid 5031] lstat("./61/cgroup.net", [pid 5816] close(22 [pid 5814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... close resumed>) = 0 [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] 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 /* 6 entries */, 32768) = 176 [pid 5032] rmdir("./62" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5816] close(23 [pid 5814] <... write resumed>) = 335 [pid 5033] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... rmdir resumed>) = 0 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=120, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] exit_group(0 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] mkdir("./63", 0777 [pid 5031] unlink("./61/cgroup.net" [pid 5819] <... futex resumed>) = ? [pid 5816] close(24 [pid 5814] <... exit_group resumed>) = ? [pid 5033] lstat("./64/binderfs", [pid 5032] <... mkdir resumed>) = 0 [pid 5819] +++ exited with 0 +++ [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] +++ exited with 0 +++ [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] <... unlink resumed>) = 0 [pid 5029] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5821 attached [pid 5816] close(25 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] umount2("./61/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... restart_syscall resumed>) = 0 [pid 5821] set_robust_list(0x55555580e6e0, 24 [pid 5816] close(26 [pid 5033] unlink("./64/binderfs" [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 128 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5821] <... set_robust_list resumed>) = 0 [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=120, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5816] close(27 [pid 5033] <... unlink resumed>) = 0 [pid 5031] lstat("./61/cgroup.cpu", [pid 5821] chdir("./63" [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./64/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5821] <... chdir resumed>) = 0 [pid 5816] close(28 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5821] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./64/cgroup.net", [pid 5031] unlink("./61/cgroup.cpu" [pid 5030] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5821] <... prctl resumed>) = 0 [pid 5816] close(29 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] setpgid(0, 0 [pid 5816] 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 5033] unlink("./64/cgroup.net" [pid 5030] <... openat resumed>) = 3 [pid 5031] umount2("./61/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5821] <... setpgid resumed>) = 0 [pid 5816] <... write resumed>) = 335 [pid 5033] <... unlink resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] fstat(3, [pid 5821] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5816] exit_group(0 [pid 5029] <... openat resumed>) = 3 [pid 5820] <... futex resumed>) = ? [pid 5816] <... exit_group resumed>) = ? [pid 5033] umount2("./64/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] lstat("./61/cgroup", [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5821] <... symlink resumed>) = 0 [pid 5821] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] getdents64(3, [pid 5029] fstat(3, [pid 5033] lstat("./64/cgroup.cpu", [pid 5031] unlink("./61/cgroup" [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5821] <... symlink resumed>) = 0 [pid 5821] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5820] +++ exited with 0 +++ [pid 5816] +++ exited with 0 +++ [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5030] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] getdents64(3, [pid 5821] <... symlink resumed>) = 0 [pid 5033] unlink("./64/cgroup.cpu" [pid 5031] getdents64(3, [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5033] <... unlink resumed>) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] lstat("./59/binderfs", [pid 5029] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5821] <... openat resumed>) = 3 [pid 5033] umount2("./64/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] 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] --- 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 5821] write(3, "1000", 4 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... close resumed>) = 0 [pid 5030] unlink("./59/binderfs" [pid 5029] lstat("./59/binderfs", [pid 5028] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5821] <... write resumed>) = 4 [pid 5033] lstat("./64/cgroup", [pid 5031] rmdir("./61" [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5821] close(3 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] <... rmdir resumed>) = 0 [pid 5030] umount2("./59/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./59/binderfs" [pid 5028] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5821] <... close resumed>) = 0 [pid 5033] unlink("./64/cgroup" [pid 5031] mkdir("./62", 0777 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... openat resumed>) = 3 [pid 5821] read(200, [pid 5033] <... unlink resumed>) = 0 [pid 5031] <... mkdir resumed>) = 0 [pid 5030] lstat("./59/cgroup.net", [pid 5029] umount2("./59/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] fstat(3, [pid 5821] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] getdents64(3, [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 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 ./strace-static-x86_64: Process 5822 attached [pid 5821] symlink("/dev/binderfs", "./binderfs" [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] unlink("./59/cgroup.net" [pid 5029] lstat("./59/cgroup.net", [pid 5028] getdents64(3, [pid 5822] set_robust_list(0x55555580e6e0, 24 [pid 5821] <... symlink resumed>) = 0 [pid 5033] close(3 [pid 5031] <... 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] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5821] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] <... close resumed>) = 0 [pid 5030] umount2("./59/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./59/cgroup.net" [pid 5028] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5822] <... set_robust_list resumed>) = 0 [pid 5821] <... futex resumed>) = 0 [pid 5033] rmdir("./64" [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5822] chdir("./62" [pid 5821] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5033] <... rmdir resumed>) = 0 [pid 5030] lstat("./59/cgroup.cpu", [pid 5029] umount2("./59/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] lstat("./58/binderfs", [pid 5822] <... chdir resumed>) = 0 [pid 5821] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5033] mkdir("./65", 0777 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5822] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5821] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5033] <... mkdir resumed>) = 0 [pid 5030] unlink("./59/cgroup.cpu" [pid 5029] lstat("./59/cgroup.cpu", [pid 5028] unlink("./58/binderfs" [pid 5822] <... prctl resumed>) = 0 [pid 5821] <... mprotect resumed>) = 0 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5823 attached [pid 5822] setpgid(0, 0 [pid 5821] 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 5823] set_robust_list(0x55555580e6e0, 24 [pid 5822] <... setpgid resumed>) = 0 [pid 5030] umount2("./59/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./59/cgroup.cpu" [pid 5028] umount2("./58/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5824 attached [pid 5823] <... set_robust_list resumed>) = 0 [pid 5822] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5821] <... clone resumed>, parent_tid=[129], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 129 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 132 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5824] set_robust_list(0x7f4e92bc39e0, 24 [pid 5823] chdir("./65" [pid 5822] <... symlink resumed>) = 0 [pid 5821] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] lstat("./59/cgroup", [pid 5029] umount2("./59/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] lstat("./58/cgroup.net", [pid 5824] <... set_robust_list resumed>) = 0 [pid 5823] <... chdir resumed>) = 0 [pid 5822] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5821] <... futex resumed>) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5821] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5030] unlink("./59/cgroup" [pid 5029] lstat("./59/cgroup", [pid 5028] unlink("./58/cgroup.net" [pid 5824] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5823] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5822] <... symlink resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5824] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5823] <... prctl resumed>) = 0 [pid 5822] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5030] getdents64(3, [pid 5029] unlink("./59/cgroup" [pid 5028] umount2("./58/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5824] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] setpgid(0, 0 [pid 5822] <... symlink resumed>) = 0 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5824] <... futex resumed>) = 1 [pid 5823] <... setpgid resumed>) = 0 [pid 5822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5821] <... futex resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5824] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5823] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5822] <... openat resumed>) = 3 [pid 5821] close(3 [pid 5030] close(3 [pid 5029] getdents64(3, [pid 5028] lstat("./58/cgroup.cpu", [pid 5823] <... symlink resumed>) = 0 [pid 5822] write(3, "1000", 4 [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5823] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5822] <... write resumed>) = 4 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5823] <... symlink resumed>) = 0 [pid 5822] close(3 [pid 5821] close(4 [pid 5030] rmdir("./59" [pid 5029] close(3 [pid 5028] unlink("./58/cgroup.cpu" [pid 5823] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5822] <... close resumed>) = 0 [pid 5823] <... symlink resumed>) = 0 [pid 5822] read(200, [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... rmdir resumed>) = 0 [pid 5029] <... close resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5822] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5821] close(5 [pid 5823] <... openat resumed>) = 3 [pid 5822] symlink("/dev/binderfs", "./binderfs" [pid 5030] mkdir("./60", 0777 [pid 5029] rmdir("./59" [pid 5028] umount2("./58/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5823] write(3, "1000", 4 [pid 5822] <... symlink resumed>) = 0 [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] <... write resumed>) = 4 [pid 5822] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] <... mkdir resumed>) = 0 [pid 5823] close(3 [pid 5822] <... futex resumed>) = 0 [pid 5029] <... rmdir resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5823] <... close resumed>) = 0 [pid 5822] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5821] close(6 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5823] read(200, [pid 5822] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5029] mkdir("./60", 0777 [pid 5028] lstat("./58/cgroup", [pid 5823] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5822] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] symlink("/dev/binderfs", "./binderfs" [pid 5822] <... mprotect resumed>) = 0 [pid 5823] <... symlink resumed>) = 0 [pid 5822] 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 5826 attached ./strace-static-x86_64: Process 5825 attached [pid 5823] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] <... mkdir resumed>) = 0 [pid 5826] set_robust_list(0x7f4e92bc39e0, 24 [pid 5825] set_robust_list(0x55555580e6e0, 24 [pid 5823] <... futex resumed>) = 0 [pid 5822] <... clone resumed>, parent_tid=[127], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 127 [pid 5821] close(7 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5826] <... set_robust_list resumed>) = 0 [pid 5825] <... set_robust_list resumed>) = 0 [pid 5823] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5822] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5826] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5825] chdir("./60" [pid 5823] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5822] <... futex resumed>) = 0 [pid 5028] unlink("./58/cgroup" [pid 5826] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5825] <... chdir resumed>) = 0 [pid 5823] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5822] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5821] close(8 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5823] <... mprotect resumed>) = 0 [pid 5822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5028] <... unlink resumed>) = 0 [pid 5826] <... futex resumed>) = 0 [pid 5825] <... prctl resumed>) = 0 [pid 5823] 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 5822] close(3 [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 122 ./strace-static-x86_64: Process 5827 attached ./strace-static-x86_64: Process 5828 attached [pid 5826] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5825] setpgid(0, 0 [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] close(9 [pid 5028] getdents64(3, [pid 5828] set_robust_list(0x55555580e6e0, 24 [pid 5827] set_robust_list(0x7f4e92bc39e0, 24 [pid 5825] <... setpgid resumed>) = 0 [pid 5823] <... clone resumed>, parent_tid=[133], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 133 [pid 5822] close(4 [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] <... set_robust_list resumed>) = 0 [pid 5827] <... set_robust_list resumed>) = 0 [pid 5825] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5823] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] close(10 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 122 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5828] chdir("./60" [pid 5827] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5825] <... symlink resumed>) = 0 [pid 5823] <... futex resumed>) = 0 [pid 5822] close(5 [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(3 [pid 5828] <... chdir resumed>) = 0 [pid 5825] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5823] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5827] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5825] <... symlink resumed>) = 0 [pid 5822] close(6 [pid 5821] close(11 [pid 5028] <... close resumed>) = 0 [pid 5828] <... prctl resumed>) = 0 [pid 5827] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] setpgid(0, 0 [pid 5827] <... futex resumed>) = 1 [pid 5825] <... symlink resumed>) = 0 [pid 5823] <... futex resumed>) = 0 [pid 5822] close(7 [pid 5821] close(12 [pid 5028] rmdir("./58" [pid 5828] <... setpgid resumed>) = 0 [pid 5827] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5823] close(3 [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5825] <... openat resumed>) = 3 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] close(8 [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... rmdir resumed>) = 0 [pid 5828] <... symlink resumed>) = 0 [pid 5825] write(3, "1000", 4 [pid 5823] close(4 [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5825] <... write resumed>) = 4 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] close(9 [pid 5821] close(13 [pid 5028] mkdir("./59", 0777 [pid 5828] <... symlink resumed>) = 0 [pid 5825] close(3 [pid 5823] close(5 [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5825] <... close resumed>) = 0 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] close(10 [pid 5821] close(14 [pid 5028] <... mkdir resumed>) = 0 [pid 5828] <... symlink resumed>) = 0 [pid 5825] read(200, [pid 5823] close(6 [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5825] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] close(11 [pid 5821] close(15 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] <... openat resumed>) = 3 [pid 5825] symlink("/dev/binderfs", "./binderfs" [pid 5823] close(7 [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] write(3, "1000", 4 [pid 5825] <... symlink resumed>) = 0 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] close(12./strace-static-x86_64: Process 5829 attached [pid 5828] <... write resumed>) = 4 [pid 5825] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] close(8 [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] close(16 [pid 5829] set_robust_list(0x55555580e6e0, 24 [pid 5828] close(3 [pid 5825] <... futex resumed>) = 0 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] close(13 [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5829] <... set_robust_list resumed>) = 0 [pid 5828] <... close resumed>) = 0 [pid 5825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5823] close(9 [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] close(17 [pid 5829] chdir("./59" [pid 5828] read(200, [pid 5825] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] close(14 [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5829] <... chdir resumed>) = 0 [pid 5828] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5825] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5823] close(10 [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] close(18 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 120 [pid 5829] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5828] symlink("/dev/binderfs", "./binderfs" [pid 5825] <... mprotect resumed>) = 0 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] close(15 [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5829] <... prctl resumed>) = 0 [pid 5828] <... symlink resumed>) = 0 [pid 5825] 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 5823] close(11 [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] close(19./strace-static-x86_64: Process 5830 attached [pid 5829] setpgid(0, 0 [pid 5828] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] close(16 [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] set_robust_list(0x7f4e92bc39e0, 24 [pid 5829] <... setpgid resumed>) = 0 [pid 5828] <... futex resumed>) = 0 [pid 5825] <... clone resumed>, parent_tid=[123], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 123 [pid 5823] close(12 [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] close(20 [pid 5830] <... set_robust_list resumed>) = 0 [pid 5829] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5825] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] close(17 [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5829] <... symlink resumed>) = 0 [pid 5828] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5825] <... futex resumed>) = 0 [pid 5823] close(13 [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] close(21 [pid 5830] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5829] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5828] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5825] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] close(18 [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... symlink resumed>) = 0 [pid 5828] <... mprotect resumed>) = 0 [pid 5825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5823] close(14 [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] close(22 [pid 5830] <... futex resumed>) = 0 [pid 5829] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5828] 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 5825] close(3 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] close(19 [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5831 attached [pid 5830] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5829] <... symlink resumed>) = 0 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] close(15 [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] close(23 [pid 5831] set_robust_list(0x7f4e92bc39e0, 24 [pid 5829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5828] <... clone resumed>, parent_tid=[123], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 123 [pid 5825] close(4 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] close(20 [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... set_robust_list resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5828] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] close(16 [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] close(24 [pid 5831] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5829] write(3, "1000", 4 [pid 5828] <... futex resumed>) = 0 [pid 5825] close(5 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] close(21 [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5829] <... write resumed>) = 4 [pid 5828] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] close(17 [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] close(25 [pid 5829] close(3 [pid 5825] close(6 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] close(22 [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5829] <... close resumed>) = 0 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] close(18 [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] close(26 [pid 5831] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5829] read(200, [pid 5825] close(7 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] close(23 [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] close(19 [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] close(27 [pid 5831] <... futex resumed>) = 1 [pid 5829] symlink("/dev/binderfs", "./binderfs" [pid 5828] <... futex resumed>) = 0 [pid 5825] close(8 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] close(24 [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5829] <... symlink resumed>) = 0 [pid 5828] close(3 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] close(20 [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] close(28 [pid 5829] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5825] close(9 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] close(25 [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5829] <... futex resumed>) = 0 [pid 5828] close(4 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] close(21 [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] close(29 [pid 5829] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5825] close(10 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] close(26 [pid 5821] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5829] <... mmap resumed>) = 0x7f4e92ba3000 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 5828] close(5 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] close(22 [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5829] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5825] close(11 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] close(27 [pid 5821] <... write resumed>) = 335 [pid 5829] <... mprotect resumed>) = 0 [pid 5828] close(6 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] close(23 [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5821] exit_group(0 [pid 5829] 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 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5825] close(12 [pid 5824] <... futex resumed>) = ? [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] close(28 [pid 5821] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5832 attached [pid 5828] close(7 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5824] +++ exited with 0 +++ [pid 5823] close(24 [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5832] set_robust_list(0x7f4e92bc39e0, 24 [pid 5829] <... clone resumed>, parent_tid=[121], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 121 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5825] close(13 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] close(29 [pid 5821] +++ exited with 0 +++ [pid 5832] <... set_robust_list resumed>) = 0 [pid 5829] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] close(8 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] close(25 [pid 5822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5832] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5829] <... futex resumed>) = 0 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5825] close(14 [pid 5822] 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 5832] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5829] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] close(9 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] <... write resumed>) = 335 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=128, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5832] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5825] close(15 [pid 5823] close(26 [pid 5822] exit_group(0 [pid 5832] <... futex resumed>) = 1 [pid 5829] <... futex resumed>) = 0 [pid 5828] close(10 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5832] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5829] close(3 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5826] <... futex resumed>) = ? [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5822] <... exit_group resumed>) = ? [pid 5825] close(16 [pid 5826] +++ exited with 0 +++ [pid 5823] close(27 [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5829] close(4 [pid 5828] close(11 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5825] close(17 [pid 5032] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] close(12 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] close(28 [pid 5822] +++ exited with 0 +++ [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] close(5 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5825] close(18 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5828] close(13 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] close(29 [pid 5032] <... openat resumed>) = 3 [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=126, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5825] close(19 [pid 5823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] fstat(3, [pid 5829] close(6 [pid 5828] close(14 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] 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] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5825] close(20 [pid 5823] <... write resumed>) = 335 [pid 5032] getdents64(3, [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] close(7 [pid 5828] close(15 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] exit_group(0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5825] close(21 [pid 5829] close(8 [pid 5827] <... futex resumed>) = ? [pid 5823] <... exit_group resumed>) = ? [pid 5032] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] close(16 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... openat resumed>) = 3 [pid 5829] close(9 [pid 5825] close(22 [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5829] close(10) = -1 EBADF (Bad file descriptor) [pid 5829] close(11) = -1 EBADF (Bad file descriptor) [pid 5829] close(12) = -1 EBADF (Bad file descriptor) [pid 5829] close(13) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] close(14 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./63/binderfs", [pid 5031] fstat(3, [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5829] close(15 [pid 5828] close(17 [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5825] close(23 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5829] close(16 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] close(18 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./63/binderfs" [pid 5031] getdents64(3, [pid 5829] close(17 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5825] close(24 [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5829] close(18 [pid 5828] close(19 [pid 5032] umount2("./63/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5827] +++ exited with 0 +++ [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5823] +++ exited with 0 +++ [pid 5031] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5829] close(19 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5825] close(25 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5829] close(20 [pid 5828] close(20 [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=132, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5032] lstat("./63/cgroup.net", [pid 5031] lstat("./62/binderfs", [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5829] close(21 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5828] close(21 [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5825] close(26 [pid 5033] restart_syscall(<... resuming interrupted clone ...> [pid 5032] unlink("./63/cgroup.net" [pid 5031] unlink("./62/binderfs" [pid 5829] close(22 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... restart_syscall resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] close(22 [pid 5825] close(27 [pid 5032] umount2("./63/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] umount2("./62/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5829] close(23 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] close(23 [pid 5825] close(28 [pid 5033] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5829] close(24write 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 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] lstat("./63/cgroup.cpu", [pid 5031] lstat("./62/cgroup.net", [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] close(24 [pid 5829] close(25 [pid 5825] close(29 [pid 5033] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... 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 5829] close(26 [pid 5033] <... openat resumed>) = 3 [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5829] close(27) = -1 EBADF (Bad file descriptor) [pid 5829] close(28) = -1 EBADF (Bad file descriptor) [pid 5829] close(29) = -1 EBADF (Bad file descriptor) [pid 5829] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335) = 335 [pid 5829] exit_group(0 [pid 5832] <... futex 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 5829] <... exit_group resumed>) = ? [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 5032] unlink("./63/cgroup.cpu" [pid 5031] unlink("./62/cgroup.net" [pid 5832] +++ exited with 0 +++ [pid 5829] +++ exited with 0 +++ [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=120, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5028] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5028] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5828] close(25 [pid 5825] 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] <... unlink resumed>) = 0 [pid 5028] fstat(3, [pid 5031] <... unlink resumed>) = 0 [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5828] close(26 [pid 5825] <... write resumed>) = 335 [pid 5032] umount2("./63/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] umount2("./62/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5825] exit_group(0 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... futex resumed>) = ? [pid 5828] close(27 [pid 5825] <... exit_group resumed>) = ? [pid 5033] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] lstat("./63/cgroup", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] getdents64(3, [pid 5830] +++ exited with 0 +++ [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./59/binderfs", [pid 5828] close(28 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] lstat("./62/cgroup.cpu", [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5825] +++ exited with 0 +++ [pid 5033] lstat("./65/binderfs", [pid 5028] unlink("./59/binderfs" [pid 5828] close(29 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] unlink("./63/cgroup" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./65/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 5028] umount2("./59/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5828] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5031] unlink("./62/cgroup.cpu" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5828] <... write resumed>) = 335 [pid 5033] umount2("./65/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] getdents64(3, [pid 5031] <... unlink resumed>) = 0 [pid 5030] --- 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 5028] lstat("./59/cgroup.net", [pid 5828] exit_group(0 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] umount2("./62/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5831] <... futex resumed>) = ? [pid 5828] <... exit_group resumed>) = ? [pid 5033] lstat("./65/cgroup.net", [pid 5028] unlink("./59/cgroup.net" [pid 5831] +++ exited with 0 +++ [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] close(3 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] restart_syscall(<... resuming interrupted clone ...> [pid 5028] <... unlink resumed>) = 0 [pid 5033] unlink("./65/cgroup.net" [pid 5032] <... close resumed>) = 0 [pid 5031] lstat("./62/cgroup", [pid 5030] <... restart_syscall resumed>) = 0 [pid 5028] umount2("./59/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5033] <... unlink resumed>) = 0 [pid 5032] rmdir("./63" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5828] +++ exited with 0 +++ [pid 5033] umount2("./65/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... rmdir resumed>) = 0 [pid 5031] unlink("./62/cgroup" [pid 5028] lstat("./59/cgroup.cpu", [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] mkdir("./64", 0777 [pid 5031] <... unlink resumed>) = 0 [pid 5033] lstat("./65/cgroup.cpu", [pid 5032] <... mkdir resumed>) = 0 [pid 5031] getdents64(3, [pid 5030] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] --- 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 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] restart_syscall(<... resuming interrupted clone ...> [pid 5033] unlink("./65/cgroup.cpu" [pid 5028] unlink("./59/cgroup.cpu" [pid 5033] <... unlink resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5033] umount2("./65/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] umount2("./59/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] close(3 [pid 5030] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... restart_syscall resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5033] lstat("./65/cgroup", [pid 5031] <... close resumed>) = 0 [pid 5030] <... openat resumed>) = 3 [pid 5028] lstat("./59/cgroup", [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] rmdir("./62" [pid 5030] fstat(3, [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 5833 attached [pid 5033] unlink("./65/cgroup" [pid 5031] <... rmdir resumed>) = 0 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./59/cgroup" [pid 5833] set_robust_list(0x55555580e6e0, 24 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 130 [pid 5031] mkdir("./63", 0777 [pid 5030] getdents64(3, [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 5033] getdents64(3, [pid 5028] getdents64(3, [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] <... mkdir resumed>) = 0 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5833] <... set_robust_list resumed>) = 0 [pid 5033] close(3 [pid 5028] close(3 [pid 5033] <... close resumed>) = 0 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] <... close resumed>) = 0 [pid 5033] rmdir("./65" [pid 5030] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... openat resumed>) = 3 [pid 5028] rmdir("./59" [pid 5033] <... rmdir resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] fstat(3, [pid 5028] <... rmdir resumed>) = 0 [pid 5033] mkdir("./66", 0777 [pid 5030] lstat("./60/binderfs", [pid 5028] mkdir("./60", 0777 [pid 5033] <... mkdir resumed>) = 0 [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] <... mkdir resumed>) = 0 [pid 5033] 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 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5835 attached ./strace-static-x86_64: Process 5834 attached [pid 5833] chdir("./64" [pid 5030] unlink("./60/binderfs" [pid 5029] getdents64(3, [pid 5833] <... chdir resumed>) = 0 [pid 5835] set_robust_list(0x55555580e6e0, 24 [pid 5834] set_robust_list(0x55555580e6e0, 24 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 134 [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 122 [pid 5835] <... set_robust_list resumed>) = 0 [pid 5834] <... set_robust_list resumed>) = 0 [pid 5030] umount2("./60/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5836 attached [pid 5835] chdir("./60" [pid 5834] chdir("./66" [pid 5833] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] set_robust_list(0x55555580e6e0, 24 [pid 5835] <... chdir resumed>) = 0 [pid 5834] <... chdir resumed>) = 0 [pid 5836] <... set_robust_list resumed>) = 0 [pid 5835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5834] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5030] lstat("./60/cgroup.net", [pid 5029] lstat("./60/binderfs", [pid 5836] chdir("./63" [pid 5835] <... prctl resumed>) = 0 [pid 5834] <... prctl resumed>) = 0 [pid 5833] <... prctl resumed>) = 0 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 128 [pid 5836] <... chdir resumed>) = 0 [pid 5835] setpgid(0, 0 [pid 5834] setpgid(0, 0 [pid 5833] setpgid(0, 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=13, ...}) = 0 [pid 5836] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] <... setpgid resumed>) = 0 [pid 5834] <... setpgid resumed>) = 0 [pid 5833] <... setpgid resumed>) = 0 [pid 5030] unlink("./60/cgroup.net" [pid 5836] <... prctl resumed>) = 0 [pid 5835] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5834] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5029] unlink("./60/binderfs" [pid 5836] setpgid(0, 0 [pid 5835] <... symlink resumed>) = 0 [pid 5834] <... symlink resumed>) = 0 [pid 5833] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5030] <... unlink resumed>) = 0 [pid 5836] <... setpgid resumed>) = 0 [pid 5835] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5834] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5029] <... unlink resumed>) = 0 [pid 5836] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5835] <... symlink resumed>) = 0 [pid 5834] <... symlink resumed>) = 0 [pid 5833] <... symlink resumed>) = 0 [pid 5030] umount2("./60/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5836] <... symlink resumed>) = 0 [pid 5835] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5834] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5833] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5029] umount2("./60/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5836] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5835] <... symlink resumed>) = 0 [pid 5834] <... symlink resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... symlink resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... symlink resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5835] <... openat resumed>) = 3 [pid 5834] <... openat resumed>) = 3 [pid 5030] lstat("./60/cgroup.cpu", [pid 5836] <... symlink resumed>) = 0 [pid 5835] write(3, "1000", 4 [pid 5834] write(3, "1000", 4 [pid 5836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] <... write resumed>) = 4 [pid 5834] <... write resumed>) = 4 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5835] close(3 [pid 5834] close(3 [pid 5833] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5030] unlink("./60/cgroup.cpu" [pid 5029] lstat("./60/cgroup.net", [pid 5836] write(3, "1000", 4 [pid 5835] <... close resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5836] <... write resumed>) = 4 [pid 5835] read(200, [pid 5834] read(200, [pid 5833] <... symlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5836] close(3 [pid 5835] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5834] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5030] <... unlink resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5835] symlink("/dev/binderfs", "./binderfs" [pid 5834] symlink("/dev/binderfs", "./binderfs" [pid 5029] unlink("./60/cgroup.net" [pid 5836] read(200, [pid 5835] <... symlink resumed>) = 0 [pid 5834] <... symlink resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5030] umount2("./60/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... unlink resumed>) = 0 [pid 5836] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5835] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] write(3, "1000", 4 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./60/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5836] symlink("/dev/binderfs", "./binderfs" [pid 5835] <... futex resumed>) = 0 [pid 5834] <... futex resumed>) = 0 [pid 5833] <... write resumed>) = 4 [pid 5030] lstat("./60/cgroup", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... symlink resumed>) = 0 [pid 5835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5833] close(3 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] lstat("./60/cgroup.cpu", [pid 5836] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5834] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5833] <... close resumed>) = 0 [pid 5030] unlink("./60/cgroup" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5835] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5833] read(200, [pid 5030] <... unlink resumed>) = 0 [pid 5029] unlink("./60/cgroup.cpu" [pid 5836] <... futex resumed>) = 0 [pid 5835] <... mprotect resumed>) = 0 [pid 5833] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5030] getdents64(3, [pid 5029] <... unlink resumed>) = 0 [pid 5836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5834] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5833] symlink("/dev/binderfs", "./binderfs" [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] umount2("./60/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5836] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5835] 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 5834] <... mprotect resumed>) = 0 [pid 5833] <... symlink resumed>) = 0 [pid 5030] close(3 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5837 attached [pid 5836] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5834] 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 5833] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] <... close resumed>) = 0 [pid 5029] lstat("./60/cgroup", ./strace-static-x86_64: Process 5838 attached [pid 5837] set_robust_list(0x7f4e92bc39e0, 24 [pid 5836] <... mprotect resumed>) = 0 [pid 5835] <... clone resumed>, parent_tid=[123], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 123 [pid 5833] <... futex resumed>) = 0 [pid 5030] rmdir("./60" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5838] set_robust_list(0x7f4e92bc39e0, 24 [pid 5837] <... set_robust_list resumed>) = 0 [pid 5836] 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 5835] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5030] <... rmdir resumed>) = 0 [pid 5029] unlink("./60/cgroup" [pid 5838] <... set_robust_list resumed>) = 0 [pid 5837] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5833] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5030] mkdir("./61", 0777 [pid 5029] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5839 attached [pid 5838] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5837] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5835] <... futex resumed>) = 0 [pid 5834] <... clone resumed>, parent_tid=[135], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 135 [pid 5833] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5030] <... mkdir resumed>) = 0 [pid 5029] getdents64(3, [pid 5839] set_robust_list(0x7f4e92bc39e0, 24 [pid 5837] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... clone resumed>, parent_tid=[129], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 129 [pid 5835] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5834] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... mprotect resumed>) = 0 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5840 attached [pid 5839] <... set_robust_list resumed>) = 0 [pid 5838] <... futex resumed>) = 0 [pid 5837] <... futex resumed>) = 0 [pid 5836] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5834] <... futex resumed>) = 1 [pid 5833] 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 5029] close(3./strace-static-x86_64: Process 5841 attached [pid 5840] set_robust_list(0x55555580e6e0, 24 [pid 5839] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5838] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5837] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5836] <... futex resumed>) = 0 [pid 5835] close(3 [pid 5834] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 124 [pid 5029] <... close resumed>) = 0 [pid 5841] set_robust_list(0x7f4e92bc39e0, 24 [pid 5840] <... set_robust_list resumed>) = 0 [pid 5839] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5838] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5836] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... clone resumed>, parent_tid=[131], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 131 [pid 5029] rmdir("./60" [pid 5841] <... set_robust_list resumed>) = 0 [pid 5840] chdir("./61" [pid 5839] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5835] close(4 [pid 5833] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] <... rmdir resumed>) = 0 [pid 5841] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5840] <... chdir resumed>) = 0 [pid 5839] <... futex resumed>) = 0 [pid 5838] <... futex resumed>) = 1 [pid 5836] close(3 [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... futex resumed>) = 0 [pid 5833] <... futex resumed>) = 0 [pid 5029] mkdir("./61", 0777 [pid 5841] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5840] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5839] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] close(5 [pid 5834] close(3 [pid 5833] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5029] <... mkdir resumed>) = 0 [pid 5841] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... prctl resumed>) = 0 [pid 5836] close(4 [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5841] <... futex resumed>) = 0 [pid 5840] setpgid(0, 0 [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] close(6 [pid 5834] close(4 [pid 5833] close(3./strace-static-x86_64: Process 5842 attached [pid 5841] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5840] <... setpgid resumed>) = 0 [pid 5836] close(5 [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] set_robust_list(0x55555580e6e0, 24 [pid 5840] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] close(7 [pid 5834] close(5 [pid 5833] close(4 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 124 [pid 5842] <... set_robust_list resumed>) = 0 [pid 5840] <... symlink resumed>) = 0 [pid 5836] close(6 [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] chdir("./61" [pid 5840] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] close(8 [pid 5834] close(6 [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... chdir resumed>) = 0 [pid 5840] <... symlink resumed>) = 0 [pid 5836] close(7 [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] close(5 [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] close(9 [pid 5834] close(7 [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... prctl resumed>) = 0 [pid 5840] <... symlink resumed>) = 0 [pid 5836] close(8 [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] setpgid(0, 0 [pid 5840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] close(10 [pid 5834] close(8 [pid 5833] close(6 [pid 5842] <... setpgid resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5836] close(9 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5840] write(3, "1000", 4 [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(9 [pid 5833] close(7 [pid 5842] <... symlink resumed>) = 0 [pid 5840] <... write resumed>) = 4 [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5840] close(3 [pid 5836] close(10 [pid 5835] close(11 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] close(8 [pid 5842] <... symlink resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(10 [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5840] read(200, [pid 5836] close(11 [pid 5835] close(12 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(11 [pid 5836] close(12 [pid 5835] close(13 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] close(9 [pid 5842] <... symlink resumed>) = 0 [pid 5840] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(12 [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] symlink("/dev/binderfs", "./binderfs" [pid 5836] close(13 [pid 5835] close(14 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] close(10 [pid 5842] <... openat resumed>) = 3 [pid 5840] <... symlink resumed>) = 0 [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(13 [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] write(3, "1000", 4 [pid 5840] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] close(14 [pid 5835] close(15 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... write resumed>) = 4 [pid 5840] <... futex resumed>) = 0 [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(14 [pid 5833] close(11 [pid 5842] close(3 [pid 5840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5836] close(15 [pid 5835] close(16 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = 0 [pid 5840] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(15 [pid 5833] close(12 [pid 5842] read(200, [pid 5840] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5836] close(16 [pid 5835] close(17 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5840] <... mprotect resumed>) = 0 [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(16 [pid 5833] close(13 [pid 5842] symlink("/dev/binderfs", "./binderfs" [pid 5840] 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 5836] close(17 [pid 5835] close(18 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5843 attached [pid 5842] <... symlink resumed>) = 0 [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(17 [pid 5833] close(14 [pid 5843] set_robust_list(0x7f4e92bc39e0, 24 [pid 5842] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... clone resumed>, parent_tid=[125], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 125 [pid 5836] close(18 [pid 5835] close(19 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... set_robust_list resumed>) = 0 [pid 5842] <... futex resumed>) = 0 [pid 5840] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(18 [pid 5833] close(15 [pid 5843] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5840] <... futex resumed>) = 0 [pid 5836] close(19 [pid 5835] close(20 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5842] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5840] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(19 [pid 5833] close(16 [pid 5843] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5836] close(20 [pid 5835] close(21 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... futex resumed>) = 0 [pid 5842] <... mprotect resumed>) = 0 [pid 5840] close(3 [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(20 [pid 5833] close(17 [pid 5843] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] 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 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5836] close(21 [pid 5835] close(22 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5844 attached [pid 5840] close(4 [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(21 [pid 5833] close(18 [pid 5844] set_robust_list(0x7f4e92bc39e0, 24 [pid 5842] <... clone resumed>, parent_tid=[125], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 125 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5836] close(22 [pid 5835] close(23 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] <... set_robust_list resumed>) = 0 [pid 5842] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] close(5 [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(22 [pid 5833] close(19 [pid 5844] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5842] <... futex resumed>) = 0 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5836] close(23 [pid 5835] close(24 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5842] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] close(6 [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(23 [pid 5833] close(20 [pid 5844] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5836] close(24 [pid 5835] close(25 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] <... futex resumed>) = 0 [pid 5842] close(3 [pid 5840] close(7 [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(24 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] close(4 [pid 5840] close(8 [pid 5836] close(25 [pid 5835] close(26 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] close(21 [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(25 [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] close(5 [pid 5840] close(9 [pid 5836] close(26 [pid 5835] close(27 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] close(22 [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(26 [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] close(6 [pid 5840] close(10 [pid 5836] close(27 [pid 5835] close(28 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] close(23 [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(27 [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] close(7 [pid 5840] close(11 [pid 5836] close(28 [pid 5835] close(29 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] close(24 [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(28 [pid 5842] close(8write 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 5840] close(12 [pid 5836] close(29 [pid 5835] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... write resumed>) = 335 [pid 5834] close(29 [pid 5833] close(25 [pid 5842] close(9 [pid 5840] 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 5836] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5835] exit_group(0 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... futex resumed>) = ? [pid 5836] <... write resumed>) = 335 [pid 5835] <... 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 5834] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5833] close(26 [pid 5842] close(10 [pid 5840] close(14 [pid 5837] +++ exited with 0 +++ [pid 5836] exit_group(0 [pid 5835] +++ exited with 0 +++ [pid 5834] <... write resumed>) = 335 [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... futex resumed>) = ? [pid 5836] <... exit_group resumed>) = ? [pid 5834] exit_group(0 [pid 5833] close(27 [pid 5840] close(15 [pid 5838] <... futex resumed>) = ? [pid 5834] <... exit_group resumed>) = ? [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] --- 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 5842] close(11 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] +++ exited with 0 +++ [pid 5838] +++ exited with 0 +++ [pid 5836] +++ exited with 0 +++ [pid 5834] +++ exited with 0 +++ [pid 5833] close(28 [pid 5028] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(16 [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=134, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=128, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5842] close(12 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] close(29 [pid 5842] close(13 [pid 5840] close(17 [pid 5833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./66", 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 5028] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] 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 5842] close(14 [pid 5033] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] <... openat resumed>) = 3 [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(18 [pid 5833] <... write resumed>) = 335 [pid 5033] <... openat resumed>) = 3 [pid 5028] fstat(3, [pid 5842] close(15 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] exit_group(0 [pid 5033] fstat(3, [pid 5031] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... futex resumed>) = ? [pid 5840] close(19 [pid 5833] <... exit_group resumed>) = ? [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] getdents64(3, [pid 5842] close(16 [pid 5841] +++ exited with 0 +++ [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] +++ exited with 0 +++ [pid 5033] getdents64(3, [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(20 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5842] close(17 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... openat resumed>) = 3 [pid 5028] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(21 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=130, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5031] fstat(3, [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] close(18 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./66/binderfs", [pid 5032] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] lstat("./60/binderfs", [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(22 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] getdents64(3, [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5842] close(19 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./66/binderfs" [pid 5032] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] unlink("./60/binderfs" [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(23 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... openat resumed>) = 3 [pid 5031] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 [pid 5842] close(20 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./66/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] fstat(3, [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./60/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(24 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] lstat("./63/binderfs", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] close(21 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./66/cgroup.net", [pid 5032] getdents64(3, [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] lstat("./60/cgroup.net", [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(25 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] unlink("./63/binderfs" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5842] close(22 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... unlink resumed>) = 0 [pid 5028] unlink("./60/cgroup.net" [pid 5840] close(26 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./63/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./64/binderfs", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./60/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5840] close(27 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./63/cgroup.net", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] close(23 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./66/cgroup.net" [pid 5032] unlink("./64/binderfs" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] lstat("./60/cgroup.cpu", [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(28 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5031] unlink("./63/cgroup.net" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5842] close(24 [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./66/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] umount2("./64/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... unlink resumed>) = 0 [pid 5028] unlink("./60/cgroup.cpu" [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(29 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./63/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5842] close(25 [pid 5033] lstat("./66/cgroup.cpu", 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] <... unlink resumed>) = 0 [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] lstat("./64/cgroup.net", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./60/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5842] close(26 [pid 5840] 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] lstat("./63/cgroup.cpu", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... write resumed>) = 335 [pid 5033] unlink("./66/cgroup.cpu" [pid 5032] unlink("./64/cgroup.net" [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] lstat("./60/cgroup", [pid 5842] close(27write 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 5840] exit_group(0 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5031] unlink("./63/cgroup.cpu" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./66/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5843] <... futex resumed>) = ? [pid 5842] close(28 [pid 5840] <... exit_group resumed>) = ? [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] umount2("./64/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5843] +++ exited with 0 +++ [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./66/cgroup", [pid 5031] <... unlink resumed>) = 0 [pid 5028] unlink("./60/cgroup" [pid 5842] close(29 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./66/cgroup" [pid 5028] <... unlink resumed>) = 0 [pid 5842] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] <... unlink resumed>) = 0 [pid 5842] <... write resumed>) = 335 [pid 5033] getdents64(3, [pid 5842] exit_group(0 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5842] <... exit_group resumed>) = ? [pid 5033] close(3 [pid 5844] <... futex resumed>) = ? [pid 5033] <... close resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./63/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] getdents64(3, [pid 5033] rmdir("./66") = 0 [pid 5033] mkdir("./67", 0777) = 0 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5845 attached [pid 5032] lstat("./64/cgroup.cpu", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5845] set_robust_list(0x55555580e6e0, 24 [pid 5844] +++ exited with 0 +++ [pid 5842] +++ exited with 0 +++ [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 136 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] lstat("./63/cgroup", [pid 5845] <... set_robust_list resumed>) = 0 [pid 5845] chdir("./67") = 0 [pid 5032] unlink("./64/cgroup.cpu" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] close(3 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=124, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5031] unlink("./63/cgroup" [pid 5028] <... close resumed>) = 0 [pid 5845] setpgid(0, 0 [pid 5032] umount2("./64/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5845] <... setpgid resumed>) = 0 [pid 5840] +++ exited with 0 +++ [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... unlink resumed>) = 0 [pid 5028] rmdir("./60" [pid 5845] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5032] lstat("./64/cgroup", [pid 5031] getdents64(3, [pid 5845] <... symlink resumed>) = 0 [pid 5030] --- 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 5029] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... rmdir resumed>) = 0 [pid 5845] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] restart_syscall(<... resuming interrupted clone ...> [pid 5845] <... symlink resumed>) = 0 [pid 5032] unlink("./64/cgroup" [pid 5031] close(3 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] mkdir("./61", 0777 [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... close resumed>) = 0 [pid 5029] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] <... mkdir resumed>) = 0 [pid 5032] getdents64(3, [pid 5031] rmdir("./63" [pid 5029] <... openat resumed>) = 3 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5845] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] <... rmdir resumed>) = 0 [pid 5030] <... restart_syscall resumed>) = 0 [pid 5029] fstat(3, ./strace-static-x86_64: Process 5846 attached [pid 5845] <... symlink resumed>) = 0 [pid 5032] close(3 [pid 5031] mkdir("./64", 0777 [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5846] set_robust_list(0x55555580e6e0, 24 [pid 5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5032] <... close resumed>) = 0 [pid 5031] <... mkdir resumed>) = 0 [pid 5029] getdents64(3, [pid 5846] <... set_robust_list resumed>) = 0 [pid 5032] rmdir("./64" [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 124 [pid 5846] chdir("./61" [pid 5845] <... openat resumed>) = 3 [pid 5032] <... rmdir resumed>) = 0 [pid 5030] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5847 attached [pid 5846] <... chdir resumed>) = 0 [pid 5845] write(3, "1000", 4 [pid 5032] mkdir("./65", 0777 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5847] set_robust_list(0x55555580e6e0, 24 [pid 5846] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] <... write resumed>) = 4 [pid 5032] <... mkdir resumed>) = 0 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 130 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./61/binderfs", [pid 5847] <... set_robust_list resumed>) = 0 [pid 5846] <... prctl resumed>) = 0 [pid 5845] close(3 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 5848 attached [pid 5847] chdir("./64" [pid 5846] setpgid(0, 0 [pid 5845] <... close resumed>) = 0 [pid 5029] unlink("./61/binderfs" [pid 5848] set_robust_list(0x55555580e6e0, 24 [pid 5847] <... chdir resumed>) = 0 [pid 5846] <... setpgid resumed>) = 0 [pid 5845] read(200, [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 132 [pid 5030] <... openat resumed>) = 3 [pid 5029] <... unlink resumed>) = 0 [pid 5848] <... set_robust_list resumed>) = 0 [pid 5847] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5029] umount2("./61/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5848] chdir("./65" [pid 5847] <... prctl resumed>) = 0 [pid 5846] <... symlink resumed>) = 0 [pid 5845] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5030] fstat(3, [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5848] <... chdir resumed>) = 0 [pid 5847] setpgid(0, 0 [pid 5846] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5845] symlink("/dev/binderfs", "./binderfs" [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] lstat("./61/cgroup.net", [pid 5848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5847] <... setpgid resumed>) = 0 [pid 5846] <... symlink resumed>) = 0 [pid 5845] <... symlink resumed>) = 0 [pid 5030] getdents64(3, [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5847] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5846] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5029] unlink("./61/cgroup.net" [pid 5848] <... prctl resumed>) = 0 [pid 5847] <... symlink resumed>) = 0 [pid 5846] <... symlink resumed>) = 0 [pid 5845] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] <... unlink resumed>) = 0 [pid 5848] setpgid(0, 0 [pid 5847] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] <... futex resumed>) = 0 [pid 5030] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./61/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5848] <... setpgid resumed>) = 0 [pid 5847] <... symlink resumed>) = 0 [pid 5846] <... openat resumed>) = 3 [pid 5845] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5848] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5847] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5846] write(3, "1000", 4 [pid 5845] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5029] lstat("./61/cgroup.cpu", [pid 5848] <... symlink resumed>) = 0 [pid 5847] <... symlink resumed>) = 0 [pid 5846] <... write resumed>) = 4 [pid 5845] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5030] lstat("./61/binderfs", [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5846] close(3 [pid 5029] unlink("./61/cgroup.cpu" [pid 5847] <... openat resumed>) = 3 [pid 5846] <... close resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5847] write(3, "1000", 4 [pid 5846] read(200, [pid 5029] umount2("./61/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5848] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5847] <... write resumed>) = 4 [pid 5846] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5845] <... mprotect resumed>) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5848] <... symlink resumed>) = 0 [pid 5847] close(3 [pid 5846] symlink("/dev/binderfs", "./binderfs" [pid 5845] 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("./61/binderfs"./strace-static-x86_64: Process 5849 attached [pid 5848] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5847] <... close resumed>) = 0 [pid 5846] <... symlink resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5029] lstat("./61/cgroup", [pid 5849] set_robust_list(0x7f4e92bc39e0, 24 [pid 5848] <... symlink resumed>) = 0 [pid 5847] read(200, [pid 5846] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] <... clone resumed>, parent_tid=[137], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 137 [pid 5030] umount2("./61/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5849] <... set_robust_list resumed>) = 0 [pid 5848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5847] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5846] <... futex resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5849] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5848] <... openat resumed>) = 3 [pid 5847] symlink("/dev/binderfs", "./binderfs" [pid 5846] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5845] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./61/cgroup" [pid 5849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5848] write(3, "1000", 4 [pid 5847] <... symlink resumed>) = 0 [pid 5845] <... futex resumed>) = 0 [pid 5030] lstat("./61/cgroup.net", [pid 5848] <... write resumed>) = 4 [pid 5846] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5845] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5849] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5848] close(3 [pid 5030] unlink("./61/cgroup.net" [pid 5029] <... unlink resumed>) = 0 [pid 5849] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5848] <... close resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5849] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] read(200, [pid 5846] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5030] umount2("./61/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] getdents64(3, [pid 5847] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] <... futex resumed>) = 1 [pid 5848] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5845] <... futex resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5849] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5848] symlink("/dev/binderfs", "./binderfs" [pid 5847] <... futex resumed>) = 0 [pid 5846] <... mprotect resumed>) = 0 [pid 5845] close(3 [pid 5030] lstat("./61/cgroup.cpu", [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5848] <... symlink resumed>) = 0 [pid 5846] 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 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] close(3 [pid 5848] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] close(4 [pid 5030] unlink("./61/cgroup.cpu" [pid 5848] <... futex resumed>) = 0 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 5848] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5845] close(5 [pid 5030] umount2("./61/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... close resumed>) = 0 [pid 5848] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5848] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5845] close(6 [pid 5030] lstat("./61/cgroup", ./strace-static-x86_64: Process 5850 attached [pid 5848] <... mprotect resumed>) = 0 [pid 5847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] rmdir("./61" [pid 5850] set_robust_list(0x7f4e92bc39e0, 24 [pid 5848] 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 5847] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5846] <... clone resumed>, parent_tid=[125], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 125 [pid 5845] close(7 [pid 5030] unlink("./61/cgroup"./strace-static-x86_64: Process 5851 attached [pid 5850] <... set_robust_list resumed>) = 0 [pid 5847] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... rmdir resumed>) = 0 [pid 5846] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] set_robust_list(0x7f4e92bc39e0, 24 [pid 5850] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5848] <... clone resumed>, parent_tid=[133], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 133 [pid 5845] close(8 [pid 5030] getdents64(3, [pid 5029] mkdir("./62", 0777 [pid 5851] <... set_robust_list resumed>) = 0 [pid 5850] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5848] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] <... mprotect resumed>) = 0 [pid 5846] <... futex resumed>) = 0 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] <... mkdir resumed>) = 0 [pid 5851] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5850] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... futex resumed>) = 0 [pid 5847] 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 5846] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5845] close(9 [pid 5030] close(3 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5852 attached [pid 5851] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5850] <... futex resumed>) = 0 [pid 5848] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = 0 [pid 5852] set_robust_list(0x7f4e92bc39e0, 24 [pid 5851] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5845] close(10 [pid 5030] rmdir("./61"./strace-static-x86_64: Process 5853 attached [pid 5852] <... set_robust_list resumed>) = 0 [pid 5851] <... futex resumed>) = 0 [pid 5848] close(3 [pid 5847] <... clone resumed>, parent_tid=[131], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 131 [pid 5846] close(3 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... rmdir resumed>) = 0 [pid 5852] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5851] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(11 [pid 5030] mkdir("./62", 0777 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 126 [pid 5853] set_robust_list(0x55555580e6e0, 24 [pid 5852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5848] close(4 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... mkdir resumed>) = 0 [pid 5852] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(12 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5853] <... set_robust_list resumed>) = 0 [pid 5852] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5848] close(5 [pid 5847] <... futex resumed>) = 0 [pid 5846] close(4 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5854 attached [pid 5853] chdir("./62" [pid 5852] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(13 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 126 [pid 5854] set_robust_list(0x55555580e6e0, 24 [pid 5853] <... chdir resumed>) = 0 [pid 5852] <... futex resumed>) = 0 [pid 5848] close(6 [pid 5847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5846] close(5 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] <... set_robust_list resumed>) = 0 [pid 5853] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5852] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] close(3 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(14 [pid 5854] chdir("./62" [pid 5853] <... prctl resumed>) = 0 [pid 5848] close(7 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(6 [pid 5854] <... chdir resumed>) = 0 [pid 5853] setpgid(0, 0 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] close(4 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5853] <... setpgid resumed>) = 0 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(7 [pid 5854] <... prctl resumed>) = 0 [pid 5853] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5848] close(8 [pid 5847] close(5 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(15 [pid 5854] setpgid(0, 0 [pid 5853] <... symlink resumed>) = 0 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(8 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] <... setpgid resumed>) = 0 [pid 5853] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5848] close(9 [pid 5847] close(6 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(16 [pid 5854] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5853] <... symlink resumed>) = 0 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(9 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] <... symlink resumed>) = 0 [pid 5853] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5848] close(10 [pid 5847] close(7 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5853] <... symlink resumed>) = 0 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(10 [pid 5845] close(17 [pid 5854] <... symlink resumed>) = 0 [pid 5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5847] close(8 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5853] <... openat resumed>) = 3 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(11 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] <... symlink resumed>) = 0 [pid 5853] write(3, "1000", 4 [pid 5847] close(9 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5853] <... write resumed>) = 4 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(12 [pid 5854] <... openat resumed>) = 3 [pid 5853] close(3 [pid 5847] close(10 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] write(3, "1000", 4 [pid 5853] <... close resumed>) = 0 [pid 5848] close(11 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(13 [pid 5845] close(18 [pid 5854] <... write resumed>) = 4 [pid 5853] read(200, [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] close(11 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(3 [pid 5853] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5848] close(12 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(14 [pid 5845] close(19 [pid 5854] <... close resumed>) = 0 [pid 5853] symlink("/dev/binderfs", "./binderfs" [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] close(12 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] read(200, [pid 5853] <... symlink resumed>) = 0 [pid 5848] close(13 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(15 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5853] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] close(13 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] symlink("/dev/binderfs", "./binderfs" [pid 5853] <... futex resumed>) = 0 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(16 [pid 5845] close(20 [pid 5854] <... symlink resumed>) = 0 [pid 5853] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5847] close(14 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5848] close(14 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(17 [pid 5854] <... futex resumed>) = 0 [pid 5853] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] close(15 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(21 [pid 5854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5853] <... mprotect resumed>) = 0 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(18 [pid 5848] close(15 [pid 5854] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5853] 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 5847] close(16 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5855 attached [pid 5854] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(19 [pid 5845] close(22 [pid 5848] close(16 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(23 [pid 5855] set_robust_list(0x7f4e92bc39e0, 24 [pid 5854] <... mprotect resumed>) = 0 [pid 5853] <... clone resumed>, parent_tid=[127], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 127 [pid 5848] close(17 [pid 5847] close(17 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... set_robust_list resumed>) = 0 [pid 5854] 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 5853] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(20 [pid 5845] close(24./strace-static-x86_64: Process 5856 attached [pid 5855] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5853] <... futex resumed>) = 0 [pid 5848] close(18 [pid 5847] close(18 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5856] set_robust_list(0x7f4e92bc39e0, 24 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(25 [pid 5856] <... set_robust_list resumed>) = 0 [pid 5848] close(19 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5856] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(26 [pid 5848] close(20 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(27 [pid 5855] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5854] <... clone resumed>, parent_tid=[127], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 127 [pid 5853] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5848] close(21 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(21 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] close(19 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] close(28 [pid 5856] <... futex resumed>) = 0 [pid 5855] <... futex resumed>) = 1 [pid 5854] <... futex resumed>) = 1 [pid 5853] <... futex resumed>) = 0 [pid 5848] close(22 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(22 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5856] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5855] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5854] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] close(3 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] close(20 [pid 5845] close(29 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5856] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] close(23 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(23 [pid 5845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5856] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] close(4 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] close(21 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] 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 5856] <... futex resumed>) = 1 [pid 5854] <... futex resumed>) = 0 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] close(24 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(24 [pid 5845] <... write resumed>) = 335 [pid 5856] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5854] close(3 [pid 5853] close(5 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] close(22 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5845] exit_group(0 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] <... futex resumed>) = ? [pid 5848] close(25 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(25 [pid 5845] <... exit_group resumed>) = ? [pid 5854] close(4 [pid 5853] close(6 [pid 5849] +++ exited with 0 +++ [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] close(23 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] close(26 [pid 5845] +++ exited with 0 +++ [pid 5854] close(5 [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(26 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=136, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] close(7 [pid 5848] close(27 [pid 5847] close(24 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(6 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(27 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] close(8 [pid 5848] close(28 [pid 5854] close(7 [pid 5847] close(25 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(8 [pid 5853] close(9 [pid 5848] close(29 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] close(28 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] close(26 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5854] close(9write 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 5853] close(10 [pid 5848] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] close(29 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] <... write resumed>) = 335 [pid 5847] close(27 [pid 5846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5854] 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 5853] close(11 [pid 5848] exit_group(0 [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5846] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] <... openat resumed>) = 3 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] <... futex resumed>) = ? [pid 5848] <... exit_group resumed>) = ? [pid 5847] close(28 [pid 5846] <... write resumed>) = 335 [pid 5033] fstat(3, [pid 5854] close(11 [pid 5853] close(12 [pid 5847] <... 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 5846] exit_group(0 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5851] +++ exited with 0 +++ [pid 5848] +++ exited with 0 +++ [pid 5847] close(29 [pid 5846] <... exit_group resumed>) = ? [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5854] close(12 [pid 5853] close(13 [pid 5850] <... futex resumed>) = ? [pid 5847] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=132, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] getdents64(3, [pid 5032] restart_syscall(<... resuming interrupted clone ...> [pid 5853] close(14 [pid 5847] <... write resumed>) = 335 [pid 5032] <... restart_syscall resumed>) = 0 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] exit_group(0 [pid 5853] close(15 [pid 5852] <... futex resumed>) = ? [pid 5847] <... exit_group resumed>) = ? [pid 5854] close(13 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5852] +++ exited with 0 +++ [pid 5850] +++ exited with 0 +++ [pid 5847] +++ exited with 0 +++ [pid 5846] +++ exited with 0 +++ [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] close(16 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] --- 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 5854] close(14 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] close(17 [pid 5032] <... openat resumed>) = 3 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] close(15 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] fstat(3, [pid 5033] lstat("./67/binderfs", [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=124, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] close(18 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5854] close(16 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] getdents64(3, [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] restart_syscall(<... resuming interrupted clone ...> [pid 5853] close(19 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... openat resumed>) = 3 [pid 5853] close(20 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] fstat(3, [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./65/binderfs", [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5853] close(21 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] getdents64(3, [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./67/binderfs" [pid 5032] unlink("./65/binderfs" [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] <... restart_syscall resumed>) = 0 [pid 5854] close(17 [pid 5853] close(22 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5031] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./67/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] umount2("./65/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] close(18 [pid 5853] close(23 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] lstat("./64/binderfs", [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./67/cgroup.net", [pid 5032] lstat("./65/cgroup.net", [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5854] close(19 [pid 5853] close(24 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] unlink("./64/binderfs" [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./67/cgroup.net" [pid 5032] unlink("./65/cgroup.net" [pid 5031] <... unlink resumed>) = 0 [pid 5028] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5854] close(20 [pid 5853] close(25 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5031] umount2("./64/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./67/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] umount2("./65/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] close(21 [pid 5853] close(26 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] lstat("./64/cgroup.net", [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./67/cgroup.cpu", [pid 5032] lstat("./65/cgroup.cpu", [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5854] close(22 [pid 5853] close(27 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] unlink("./64/cgroup.net" [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./67/cgroup.cpu" [pid 5032] unlink("./65/cgroup.cpu" [pid 5031] <... unlink resumed>) = 0 [pid 5028] <... openat resumed>) = 3 [pid 5854] close(23 [pid 5853] close(28 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5031] umount2("./64/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] fstat(3, [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./67/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] umount2("./65/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] close(24 [pid 5853] close(29 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] lstat("./64/cgroup.cpu", [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./67/cgroup", [pid 5032] lstat("./65/cgroup", [pid 5031] <... 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 5854] close(25 [pid 5853] 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=23, ...}) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] unlink("./64/cgroup.cpu" [pid 5028] getdents64(3, [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] <... write resumed>) = 335 [pid 5033] unlink("./67/cgroup" [pid 5032] unlink("./65/cgroup" [pid 5031] <... unlink resumed>) = 0 [pid 5854] close(26 [pid 5853] exit_group(0 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5031] umount2("./64/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5855] <... futex resumed>) = ? [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] <... exit_group resumed>) = ? [pid 5033] getdents64(3, [pid 5032] getdents64(3, [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] +++ exited with 0 +++ [pid 5854] close(27 [pid 5853] +++ exited with 0 +++ [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] lstat("./64/cgroup", [pid 5028] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5032] close(3 [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=126, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5854] close(28 [pid 5033] <... close resumed>) = 0 [pid 5032] <... close resumed>) = 0 [pid 5031] unlink("./64/cgroup" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] <... 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 5033] rmdir("./67" [pid 5032] rmdir("./65" [pid 5031] <... unlink resumed>) = 0 [pid 5028] lstat("./61/binderfs", [pid 5854] close(29 [pid 5033] <... rmdir resumed>) = 0 [pid 5032] <... rmdir resumed>) = 0 [pid 5031] getdents64(3, [pid 5029] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./68", 0777 [pid 5032] mkdir("./66", 0777 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5854] 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 5032] <... mkdir resumed>) = 0 [pid 5031] close(3 [pid 5029] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5854] <... write resumed>) = 335 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] <... close resumed>) = 0 [pid 5029] <... openat resumed>) = 3 [pid 5028] unlink("./61/binderfs"./strace-static-x86_64: Process 5858 attached ./strace-static-x86_64: Process 5857 attached [pid 5854] exit_group(0 [pid 5031] rmdir("./64" [pid 5029] fstat(3, [pid 5028] <... unlink resumed>) = 0 [pid 5858] set_robust_list(0x55555580e6e0, 24 [pid 5857] set_robust_list(0x55555580e6e0, 24 [pid 5856] <... futex resumed>) = ? [pid 5854] <... exit_group resumed>) = ? [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 138 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 134 [pid 5031] <... rmdir resumed>) = 0 [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] umount2("./61/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5858] <... set_robust_list resumed>) = 0 [pid 5857] <... set_robust_list resumed>) = 0 [pid 5031] mkdir("./65", 0777 [pid 5029] getdents64(3, [pid 5858] chdir("./66" [pid 5857] chdir("./68" [pid 5031] <... mkdir resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] <... chdir resumed>) = 0 [pid 5857] <... chdir resumed>) = 0 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5857] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5856] +++ exited with 0 +++ [pid 5854] +++ exited with 0 +++ [pid 5028] lstat("./61/cgroup.net", ./strace-static-x86_64: Process 5859 attached [pid 5858] <... prctl resumed>) = 0 [pid 5857] <... prctl resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5859] set_robust_list(0x55555580e6e0, 24 [pid 5858] setpgid(0, 0 [pid 5857] setpgid(0, 0 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 132 [pid 5029] lstat("./62/binderfs", [pid 5859] <... set_robust_list resumed>) = 0 [pid 5858] <... setpgid resumed>) = 0 [pid 5857] <... setpgid resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] unlink("./61/cgroup.net" [pid 5859] chdir("./65" [pid 5858] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5857] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5029] unlink("./62/binderfs" [pid 5859] <... chdir resumed>) = 0 [pid 5858] <... symlink resumed>) = 0 [pid 5857] <... symlink resumed>) = 0 [pid 5030] --- 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 5029] <... unlink resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5858] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5857] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5030] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./62/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] umount2("./61/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5859] <... prctl resumed>) = 0 [pid 5858] <... symlink resumed>) = 0 [pid 5857] <... symlink resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] setpgid(0, 0 [pid 5858] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5857] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./62/cgroup.net", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] <... setpgid resumed>) = 0 [pid 5858] <... symlink resumed>) = 0 [pid 5857] <... symlink resumed>) = 0 [pid 5030] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5859] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5029] unlink("./62/cgroup.net" [pid 5028] lstat("./61/cgroup.cpu", [pid 5859] <... symlink resumed>) = 0 [pid 5858] <... openat resumed>) = 3 [pid 5857] <... openat resumed>) = 3 [pid 5030] <... openat resumed>) = 3 [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5859] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5858] write(3, "1000", 4 [pid 5857] write(3, "1000", 4 [pid 5029] umount2("./62/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5859] <... symlink resumed>) = 0 [pid 5858] <... write resumed>) = 4 [pid 5857] <... write resumed>) = 4 [pid 5030] fstat(3, [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./61/cgroup.cpu" [pid 5859] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5858] close(3 [pid 5857] close(3 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] lstat("./62/cgroup.cpu", [pid 5859] <... symlink resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 5030] getdents64(3, [pid 5028] <... unlink resumed>) = 0 [pid 5857] <... close resumed>) = 0 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] umount2("./61/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5857] read(200, [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] lstat("./61/cgroup", [pid 5030] lstat("./62/binderfs", [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5859] <... openat resumed>) = 3 [pid 5858] read(200, [pid 5857] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] unlink("./62/cgroup.cpu" [pid 5028] unlink("./61/cgroup" [pid 5859] write(3, "1000", 4 [pid 5858] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5857] symlink("/dev/binderfs", "./binderfs" [pid 5030] unlink("./62/binderfs" [pid 5028] <... unlink resumed>) = 0 [pid 5859] <... write resumed>) = 4 [pid 5858] symlink("/dev/binderfs", "./binderfs" [pid 5857] <... symlink resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5028] getdents64(3, [pid 5859] close(3 [pid 5858] <... symlink resumed>) = 0 [pid 5857] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] umount2("./62/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./62/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5859] <... close resumed>) = 0 [pid 5858] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... futex resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] close(3 [pid 5859] read(200, [pid 5858] <... futex resumed>) = 0 [pid 5030] lstat("./62/cgroup.net", [pid 5028] <... close resumed>) = 0 [pid 5857] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] lstat("./62/cgroup", [pid 5028] rmdir("./61" [pid 5859] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5857] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5030] unlink("./62/cgroup.net" [pid 5028] <... rmdir resumed>) = 0 [pid 5859] symlink("/dev/binderfs", "./binderfs" [pid 5858] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5857] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] mkdir("./62", 0777 [pid 5859] <... symlink resumed>) = 0 [pid 5858] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5857] <... mprotect resumed>) = 0 [pid 5030] umount2("./62/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./62/cgroup" [pid 5028] <... mkdir resumed>) = 0 [pid 5859] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... mprotect resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5859] <... futex resumed>) = 0 [pid 5858] 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 5857] 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("./62/cgroup.cpu", [pid 5029] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5861 attached ./strace-static-x86_64: Process 5860 attached ./strace-static-x86_64: Process 5862 attached [pid 5859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] getdents64(3, [pid 5862] set_robust_list(0x55555580e6e0, 24 [pid 5861] set_robust_list(0x7f4e92bc39e0, 24 [pid 5860] set_robust_list(0x7f4e92bc39e0, 24 [pid 5859] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5858] <... clone resumed>, parent_tid=[135], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 135 [pid 5857] <... clone resumed>, parent_tid=[139], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 139 [pid 5030] unlink("./62/cgroup.cpu" [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 126 [pid 5862] <... set_robust_list resumed>) = 0 [pid 5861] <... set_robust_list resumed>) = 0 [pid 5860] <... set_robust_list resumed>) = 0 [pid 5859] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5858] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] <... unlink resumed>) = 0 [pid 5029] close(3 [pid 5862] chdir("./62" [pid 5861] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5860] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5859] <... mprotect resumed>) = 0 [pid 5858] <... futex resumed>) = 0 [pid 5857] <... futex resumed>) = 0 [pid 5030] umount2("./62/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... close resumed>) = 0 [pid 5862] <... chdir resumed>) = 0 [pid 5861] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5860] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5859] 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 5858] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5863 attached [pid 5862] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5861] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5030] lstat("./62/cgroup", [pid 5029] rmdir("./62" [pid 5863] set_robust_list(0x7f4e92bc39e0, 24 [pid 5862] <... prctl resumed>) = 0 [pid 5861] <... futex resumed>) = 0 [pid 5860] <... futex resumed>) = 0 [pid 5859] <... clone resumed>, parent_tid=[133], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 133 [pid 5858] close(3 [pid 5857] close(3 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5863] <... set_robust_list resumed>) = 0 [pid 5862] setpgid(0, 0 [pid 5861] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5860] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./62/cgroup" [pid 5029] <... rmdir resumed>) = 0 [pid 5863] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5862] <... setpgid resumed>) = 0 [pid 5859] <... futex resumed>) = 0 [pid 5858] close(4 [pid 5857] close(4 [pid 5030] <... unlink resumed>) = 0 [pid 5029] mkdir("./63", 0777 [pid 5030] getdents64(3, 0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] close(3 [pid 5862] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5030] <... close resumed>) = 0 [pid 5863] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5859] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] rmdir("./62" [pid 5029] <... mkdir resumed>) = 0 [pid 5863] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] <... symlink resumed>) = 0 [pid 5858] close(5 [pid 5857] close(5 [pid 5030] <... rmdir resumed>) = 0 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5864 attached [pid 5863] <... futex resumed>) = 1 [pid 5862] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5859] <... futex resumed>) = 0 [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] mkdir("./63", 0777 [pid 5864] set_robust_list(0x55555580e6e0, 24 [pid 5863] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5862] <... symlink resumed>) = 0 [pid 5859] close(3 [pid 5858] close(6 [pid 5857] close(6 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 128 [pid 5864] <... set_robust_list resumed>) = 0 [pid 5862] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... mkdir resumed>) = 0 [pid 5864] chdir("./63" [pid 5862] <... symlink resumed>) = 0 [pid 5859] close(4 [pid 5858] close(7 [pid 5857] close(7 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] <... chdir resumed>) = 0 [pid 5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5862] <... openat resumed>) = 3 [pid 5859] close(5 [pid 5858] close(8 [pid 5857] close(8 [pid 5864] <... prctl resumed>) = 0 [pid 5862] write(3, "1000", 4 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5865 attached [pid 5864] setpgid(0, 0 [pid 5862] <... write resumed>) = 4 [pid 5859] close(6 [pid 5858] close(9 [pid 5857] close(9 [pid 5865] set_robust_list(0x55555580e6e0, 24 [pid 5864] <... setpgid resumed>) = 0 [pid 5862] close(3 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] <... set_robust_list resumed>) = 0 [pid 5864] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5862] <... close resumed>) = 0 [pid 5859] close(7 [pid 5858] close(10 [pid 5857] close(10 [pid 5865] chdir("./63" [pid 5864] <... symlink resumed>) = 0 [pid 5862] read(200, [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 128 [pid 5865] <... chdir resumed>) = 0 [pid 5864] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5862] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] close(8 [pid 5858] close(11 [pid 5857] close(11 [pid 5865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5864] <... symlink resumed>) = 0 [pid 5862] symlink("/dev/binderfs", "./binderfs" [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] <... prctl resumed>) = 0 [pid 5864] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5862] <... symlink resumed>) = 0 [pid 5859] close(9 [pid 5858] close(12 [pid 5857] close(12 [pid 5865] setpgid(0, 0 [pid 5864] <... symlink resumed>) = 0 [pid 5862] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] <... setpgid resumed>) = 0 [pid 5864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5862] <... futex resumed>) = 0 [pid 5859] close(10 [pid 5858] close(13 [pid 5857] close(13 [pid 5865] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5864] <... openat resumed>) = 3 [pid 5862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] <... symlink resumed>) = 0 [pid 5864] write(3, "1000", 4 [pid 5862] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5859] close(11 [pid 5858] close(14 [pid 5857] close(14 [pid 5865] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5864] <... write resumed>) = 4 [pid 5862] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] <... symlink resumed>) = 0 [pid 5864] close(3 [pid 5862] <... mprotect resumed>) = 0 [pid 5859] close(12 [pid 5858] close(15 [pid 5857] close(15 [pid 5865] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5864] <... close resumed>) = 0 [pid 5862] 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 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5866 attached [pid 5865] <... symlink resumed>) = 0 [pid 5864] read(200, [pid 5859] close(13 [pid 5858] close(16 [pid 5857] close(16 [pid 5866] set_robust_list(0x7f4e92bc39e0, 24 [pid 5865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5864] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5862] <... clone resumed>, parent_tid=[127], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 127 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... set_robust_list resumed>) = 0 [pid 5865] <... openat resumed>) = 3 [pid 5864] symlink("/dev/binderfs", "./binderfs" [pid 5862] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] close(14 [pid 5858] close(17 [pid 5857] close(17 [pid 5866] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5865] write(3, "1000", 4 [pid 5864] <... symlink resumed>) = 0 [pid 5862] <... futex resumed>) = 0 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5865] <... write resumed>) = 4 [pid 5864] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] close(15 [pid 5858] close(18 [pid 5857] close(18 [pid 5866] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] close(3 [pid 5864] <... futex resumed>) = 0 [pid 5862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... futex resumed>) = 0 [pid 5865] <... close resumed>) = 0 [pid 5864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5862] close(3 [pid 5859] close(16 [pid 5858] close(19 [pid 5857] close(19 [pid 5866] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] read(200, [pid 5864] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5864] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5862] close(4 [pid 5859] close(17 [pid 5858] close(20 [pid 5857] close(20 [pid 5865] symlink("/dev/binderfs", "./binderfs" [pid 5864] <... mprotect resumed>) = 0 [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] <... symlink resumed>) = 0 [pid 5864] 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 5862] close(5 [pid 5859] close(18 [pid 5858] close(21 [pid 5857] close(21./strace-static-x86_64: Process 5867 attached [pid 5865] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] set_robust_list(0x7f4e92bc39e0, 24 [pid 5865] <... futex resumed>) = 0 [pid 5864] <... clone resumed>, parent_tid=[129], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 129 [pid 5862] close(6 [pid 5859] close(19 [pid 5858] close(22 [pid 5857] close(22 [pid 5867] <... set_robust_list resumed>) = 0 [pid 5865] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5864] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5865] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5864] <... futex resumed>) = 0 [pid 5862] close(7 [pid 5859] close(20 [pid 5858] close(23 [pid 5857] close(23 [pid 5867] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5865] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5864] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... mprotect resumed>) = 0 [pid 5864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5862] close(8 [pid 5859] close(21 [pid 5858] close(24 [pid 5857] close(24 [pid 5867] <... futex resumed>) = 0 [pid 5865] 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 5864] close(3 [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5868 attached [pid 5867] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5862] close(9 [pid 5859] close(22 [pid 5858] close(25 [pid 5857] close(25 [pid 5868] set_robust_list(0x7f4e92bc39e0, 24 [pid 5865] <... clone resumed>, parent_tid=[129], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 129 [pid 5864] close(4 [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] <... set_robust_list resumed>) = 0 [pid 5865] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5862] close(10 [pid 5859] close(23 [pid 5858] close(26 [pid 5857] close(26 [pid 5868] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5865] <... futex resumed>) = 0 [pid 5864] close(5 [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5865] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5862] close(11 [pid 5859] close(24 [pid 5858] close(27 [pid 5857] close(27 [pid 5868] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] close(6 [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] <... futex resumed>) = 1 [pid 5865] <... futex resumed>) = 0 [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5862] close(12 [pid 5859] close(25 [pid 5858] close(28 [pid 5857] close(28 [pid 5868] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] close(3 [pid 5864] close(7 [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5862] close(13 [pid 5859] close(26 [pid 5858] close(29 [pid 5857] close(29 [pid 5865] close(4 [pid 5864] close(8 [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] <... 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 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5862] close(14 [pid 5859] close(27 [pid 5858] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5857] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5865] close(5 [pid 5864] close(9 [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... write resumed>) = 335 [pid 5857] <... write resumed>) = 335 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5862] close(15 [pid 5859] close(28 [pid 5858] exit_group(0 [pid 5857] exit_group(0 [pid 5865] close(6 [pid 5864] close(10 [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5861] <... futex resumed>) = ? [pid 5860] <... futex resumed>) = ? [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... exit_group resumed>) = ? [pid 5857] <... exit_group resumed>) = ? [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5862] close(16 [pid 5859] close(29 [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5860] +++ exited with 0 +++ [pid 5858] +++ exited with 0 +++ [pid 5865] close(7 [pid 5864] close(11 [pid 5862] close(17 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5861] +++ exited with 0 +++ [pid 5859] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5857] +++ 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 5865] close(8 [pid 5864] close(12 [pid 5862] close(18 [pid 5859] <... write resumed>) = 335 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5859] exit_group(0 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=134, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5865] close(9 [pid 5864] close(13 [pid 5863] <... futex resumed>) = ? [pid 5862] close(19 [pid 5859] <... exit_group resumed>) = ? [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=138, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5032] restart_syscall(<... resuming interrupted clone ...> [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] +++ exited with 0 +++ [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5859] +++ exited with 0 +++ [pid 5033] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... restart_syscall resumed>) = 0 [pid 5865] close(10 [pid 5864] close(14 [pid 5862] close(20 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=132, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] close(11 [pid 5864] close(15 [pid 5862] close(21 [pid 5033] <... openat resumed>) = 3 [pid 5032] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5865] close(12 [pid 5864] close(16 [pid 5862] close(22 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5032] <... openat resumed>) = 3 [pid 5031] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] close(13 [pid 5864] close(17 [pid 5862] close(23 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] fstat(3, [pid 5031] <... openat resumed>) = 3 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] fstat(3, [pid 5865] close(14 [pid 5864] close(18 [pid 5862] close(24 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] getdents64(3, [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./68/binderfs", [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] getdents64(3, [pid 5865] close(15 [pid 5864] close(19 [pid 5862] close(25 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./68/binderfs" [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5865] close(16 [pid 5864] close(20 [pid 5862] close(26 [pid 5033] <... unlink resumed>) = 0 [pid 5032] lstat("./66/binderfs", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./68/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] lstat("./65/binderfs", [pid 5865] close(17 [pid 5864] close(21 [pid 5862] close(27 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] unlink("./66/binderfs" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./68/cgroup.net", [pid 5032] <... unlink resumed>) = 0 [pid 5031] unlink("./65/binderfs" [pid 5865] close(18 [pid 5864] close(22 [pid 5862] close(28 [pid 5033] <... 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 5032] umount2("./66/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... unlink resumed>) = 0 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./68/cgroup.net" [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./65/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5865] close(19 [pid 5862] close(29 [pid 5033] <... unlink resumed>) = 0 [pid 5032] lstat("./66/cgroup.net", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./68/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] lstat("./65/cgroup.net", [pid 5865] close(20 [pid 5862] 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("./66/cgroup.net" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] close(23 [pid 5862] <... write resumed>) = 335 [pid 5033] lstat("./68/cgroup.cpu", [pid 5032] <... unlink resumed>) = 0 [pid 5031] unlink("./65/cgroup.net" [pid 5865] close(21 [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5862] exit_group(0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] umount2("./66/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... unlink resumed>) = 0 [pid 5866] <... futex resumed>) = ? [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] close(24 [pid 5862] <... exit_group resumed>) = ? [pid 5033] unlink("./68/cgroup.cpu" [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./65/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5866] +++ exited with 0 +++ [pid 5865] close(22 [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5032] lstat("./66/cgroup.cpu", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] close(25 [pid 5865] close(23 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./68/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] unlink("./66/cgroup.cpu" [pid 5031] lstat("./65/cgroup.cpu", [pid 5865] close(24 [pid 5864] close(26 [pid 5862] +++ exited with 0 +++ [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./68/cgroup", [pid 5032] umount2("./66/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] unlink("./65/cgroup.cpu" [pid 5865] close(25 [pid 5864] close(27 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./68/cgroup" [pid 5032] lstat("./66/cgroup", [pid 5031] <... unlink resumed>) = 0 [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=126, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5865] close(26 [pid 5864] close(28 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5031] umount2("./65/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] restart_syscall(<... resuming interrupted clone ...> [pid 5032] unlink("./66/cgroup" [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] close(27 [pid 5864] close(29 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5028] <... restart_syscall resumed>) = 0 [pid 5032] getdents64(3, [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] lstat("./65/cgroup", [pid 5865] close(28 [pid 5864] 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 5033] <... close resumed>) = 0 [pid 5032] close(3 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... write resumed>) = 335 [pid 5033] rmdir("./68" [pid 5032] <... close resumed>) = 0 [pid 5032] rmdir("./66" [pid 5031] unlink("./65/cgroup" [pid 5865] close(29 [pid 5864] exit_group(0 [pid 5033] <... rmdir resumed>) = 0 [pid 5032] <... rmdir resumed>) = 0 [pid 5028] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5867] <... futex resumed>) = ? [pid 5865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5864] <... exit_group resumed>) = ? [pid 5033] mkdir("./69", 0777 [pid 5032] mkdir("./67", 0777 [pid 5031] <... unlink resumed>) = 0 [pid 5867] +++ exited with 0 +++ [pid 5032] <... mkdir resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDwrite 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 5865] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5864] +++ exited with 0 +++ [pid 5033] <... mkdir resumed>) = 0 [pid 5031] getdents64(3, [pid 5028] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] <... write resumed>) = 335 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=128, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5028] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5870 attached ./strace-static-x86_64: Process 5869 attached [pid 5865] exit_group(0 [pid 5031] close(3 [pid 5028] fstat(3, [pid 5865] <... exit_group resumed>) = ? [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 140 [pid 5031] <... close resumed>) = 0 [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5868] <... futex resumed>) = ? [pid 5031] rmdir("./65" [pid 5029] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] getdents64(3, [pid 5870] set_robust_list(0x55555580e6e0, 24 [pid 5869] set_robust_list(0x55555580e6e0, 24 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 136 [pid 5031] <... rmdir resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5870] <... set_robust_list resumed>) = 0 [pid 5869] <... set_robust_list resumed>) = 0 [pid 5868] +++ exited with 0 +++ [pid 5865] +++ exited with 0 +++ [pid 5031] mkdir("./66", 0777 [pid 5029] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5870] chdir("./69" [pid 5869] chdir("./67" [pid 5031] <... mkdir resumed>) = 0 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=128, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5029] <... openat resumed>) = 3 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5870] <... chdir resumed>) = 0 [pid 5869] <... chdir resumed>) = 0 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] fstat(3, [pid 5028] lstat("./62/binderfs", ./strace-static-x86_64: Process 5871 attached [pid 5870] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5871] set_robust_list(0x55555580e6e0, 24 [pid 5870] <... prctl resumed>) = 0 [pid 5869] <... prctl resumed>) = 0 [pid 5030] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5871] <... set_robust_list resumed>) = 0 [pid 5870] setpgid(0, 0 [pid 5869] setpgid(0, 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5871] chdir("./66" [pid 5870] <... setpgid resumed>) = 0 [pid 5869] <... setpgid resumed>) = 0 [pid 5030] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5871] <... chdir resumed>) = 0 [pid 5870] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5869] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5030] <... openat resumed>) = 3 [pid 5871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5870] <... symlink resumed>) = 0 [pid 5869] <... symlink resumed>) = 0 [pid 5030] fstat(3, [pid 5871] <... prctl resumed>) = 0 [pid 5870] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5869] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 134 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] getdents64(3, [pid 5028] unlink("./62/binderfs" [pid 5871] setpgid(0, 0 [pid 5870] <... symlink resumed>) = 0 [pid 5869] <... symlink resumed>) = 0 [pid 5030] getdents64(3, [pid 5871] <... setpgid resumed>) = 0 [pid 5870] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5869] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] <... unlink resumed>) = 0 [pid 5871] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5870] <... symlink resumed>) = 0 [pid 5869] <... symlink resumed>) = 0 [pid 5030] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5871] <... symlink resumed>) = 0 [pid 5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5871] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5870] <... openat resumed>) = 3 [pid 5869] <... openat resumed>) = 3 [pid 5030] lstat("./63/binderfs", [pid 5029] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] umount2("./62/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5871] <... symlink resumed>) = 0 [pid 5870] write(3, "1000", 4 [pid 5869] write(3, "1000", 4 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5871] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5870] <... write resumed>) = 4 [pid 5869] <... write resumed>) = 4 [pid 5030] unlink("./63/binderfs" [pid 5871] <... symlink resumed>) = 0 [pid 5870] close(3 [pid 5869] close(3 [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5870] <... close resumed>) = 0 [pid 5869] <... close resumed>) = 0 [pid 5030] umount2("./63/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5871] <... openat resumed>) = 3 [pid 5870] read(200, [pid 5869] read(200, [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./63/binderfs", [pid 5028] lstat("./62/cgroup.net", [pid 5871] write(3, "1000", 4 [pid 5870] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5869] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5030] lstat("./63/cgroup.net", [pid 5871] <... write resumed>) = 4 [pid 5870] symlink("/dev/binderfs", "./binderfs" [pid 5869] symlink("/dev/binderfs", "./binderfs" [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 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 [pid 5871] close(3 [pid 5870] <... symlink resumed>) = 0 [pid 5869] <... symlink resumed>) = 0 [pid 5030] unlink("./63/cgroup.net" [pid 5029] unlink("./63/binderfs" [pid 5028] unlink("./62/cgroup.net" [pid 5871] <... close resumed>) = 0 [pid 5870] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] <... unlink resumed>) = 0 [pid 5871] read(200, [pid 5870] <... futex resumed>) = 0 [pid 5869] <... futex resumed>) = 0 [pid 5030] umount2("./63/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5871] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5869] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./63/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] umount2("./62/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5871] symlink("/dev/binderfs", "./binderfs" [pid 5870] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5869] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5030] lstat("./63/cgroup.cpu", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5871] <... symlink resumed>) = 0 [pid 5870] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5869] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] lstat("./63/cgroup.net", [pid 5028] lstat("./62/cgroup.cpu", [pid 5871] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... mprotect resumed>) = 0 [pid 5869] <... mprotect resumed>) = 0 [pid 5030] unlink("./63/cgroup.cpu" [pid 5871] <... futex resumed>) = 0 [pid 5870] 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 5869] 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 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=19, ...}) = 0 ./strace-static-x86_64: Process 5873 attached ./strace-static-x86_64: Process 5872 attached [pid 5871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5030] umount2("./63/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./63/cgroup.net" [pid 5028] unlink("./62/cgroup.cpu" [pid 5873] set_robust_list(0x7f4e92bc39e0, 24 [pid 5872] set_robust_list(0x7f4e92bc39e0, 24 [pid 5871] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5870] <... clone resumed>, parent_tid=[141], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 141 [pid 5869] <... clone resumed>, parent_tid=[137], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 137 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5873] <... set_robust_list resumed>) = 0 [pid 5872] <... set_robust_list resumed>) = 0 [pid 5871] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5870] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] lstat("./63/cgroup", [pid 5029] umount2("./63/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] umount2("./62/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5873] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5872] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5870] <... futex resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5873] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5872] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5871] <... mprotect resumed>) = 0 [pid 5870] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5869] <... futex resumed>) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] lstat("./63/cgroup.cpu", [pid 5028] lstat("./62/cgroup", [pid 5873] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] 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 5869] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5030] unlink("./63/cgroup" [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 ./strace-static-x86_64: Process 5874 attached [pid 5873] <... futex resumed>) = 0 [pid 5872] <... futex resumed>) = 1 [pid 5870] <... futex resumed>) = 0 [pid 5869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5029] unlink("./63/cgroup.cpu" [pid 5028] unlink("./62/cgroup" [pid 5874] set_robust_list(0x7f4e92bc39e0, 24 [pid 5873] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5871] <... clone resumed>, parent_tid=[135], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 135 [pid 5870] close(3 [pid 5869] close(3 [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5874] <... set_robust_list resumed>) = 0 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] getdents64(3, [pid 5029] umount2("./63/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] getdents64(3, [pid 5874] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5871] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] close(4 [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5874] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5029] lstat("./63/cgroup", [pid 5028] close(3 [pid 5874] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] <... futex resumed>) = 0 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] close(4 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... close resumed>) = 0 [pid 5874] <... futex resumed>) = 0 [pid 5871] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5029] unlink("./63/cgroup" [pid 5028] rmdir("./62" [pid 5874] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5870] close(5 [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] close(3 [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... rmdir resumed>) = 0 [pid 5871] close(3 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] close(5 [pid 5030] <... close resumed>) = 0 [pid 5029] getdents64(3, [pid 5028] mkdir("./63", 0777 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] close(6 [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] rmdir("./63" [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... mkdir resumed>) = 0 [pid 5029] close(3 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5875 attached [pid 5871] close(4 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] close(6 [pid 5030] <... rmdir resumed>) = 0 [pid 5029] <... close resumed>) = 0 [pid 5875] set_robust_list(0x55555580e6e0, 24 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] close(7 [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] mkdir("./64", 0777 [pid 5029] rmdir("./63" [pid 5875] <... set_robust_list resumed>) = 0 [pid 5871] close(5 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] close(7 [pid 5029] <... rmdir resumed>) = 0 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 128 [pid 5875] chdir("./63" [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] close(8 [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... mkdir resumed>) = 0 [pid 5029] mkdir("./64", 0777 [pid 5875] <... chdir resumed>) = 0 [pid 5871] close(6 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] close(8 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] <... mkdir resumed>) = 0 [pid 5875] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] close(9 [pid 5869] <... 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 5876 attached ./strace-static-x86_64: Process 5877 attached [pid 5875] <... prctl resumed>) = 0 [pid 5871] close(7 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] close(9 [pid 5876] set_robust_list(0x55555580e6e0, 24 [pid 5875] setpgid(0, 0 [pid 5876] <... set_robust_list resumed>) = 0 [pid 5875] <... setpgid resumed>) = 0 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 130 [pid 5877] set_robust_list(0x55555580e6e0, 24 [pid 5876] chdir("./64" [pid 5875] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5871] close(8 [pid 5870] close(10 [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 130 [pid 5877] <... set_robust_list resumed>) = 0 [pid 5876] <... chdir resumed>) = 0 [pid 5875] <... symlink resumed>) = 0 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5877] chdir("./64" [pid 5876] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5871] close(9 [pid 5870] close(11 [pid 5869] close(10 [pid 5877] <... chdir resumed>) = 0 [pid 5876] <... prctl resumed>) = 0 [pid 5875] <... symlink resumed>) = 0 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5877] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5876] setpgid(0, 0 [pid 5875] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5871] close(10 [pid 5877] <... prctl resumed>) = 0 [pid 5876] <... setpgid resumed>) = 0 [pid 5875] <... symlink resumed>) = 0 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] close(12 [pid 5869] close(11 [pid 5877] setpgid(0, 0 [pid 5876] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5877] <... setpgid resumed>) = 0 [pid 5876] <... symlink resumed>) = 0 [pid 5875] <... openat resumed>) = 3 [pid 5871] close(11 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5877] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5876] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5875] write(3, "1000", 4 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] close(13 [pid 5869] close(12 [pid 5876] <... symlink resumed>) = 0 [pid 5875] <... write resumed>) = 4 [pid 5871] close(12 [pid 5877] <... symlink resumed>) = 0 [pid 5876] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5875] close(3 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5877] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5876] <... symlink resumed>) = 0 [pid 5875] <... close resumed>) = 0 [pid 5871] close(13 [pid 5870] close(14 [pid 5869] close(13 [pid 5877] <... symlink resumed>) = 0 [pid 5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5875] read(200, [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5877] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5876] <... openat resumed>) = 3 [pid 5875] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5871] close(14 [pid 5877] <... symlink resumed>) = 0 [pid 5876] write(3, "1000", 4 [pid 5875] symlink("/dev/binderfs", "./binderfs" [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] close(15 [pid 5869] close(14 [pid 5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5876] <... write resumed>) = 4 [pid 5875] <... symlink resumed>) = 0 [pid 5877] <... openat resumed>) = 3 [pid 5876] close(3 [pid 5875] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] write(3, "1000", 4 [pid 5876] <... close resumed>) = 0 [pid 5875] <... futex resumed>) = 0 [pid 5871] close(15 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5877] <... write resumed>) = 4 [pid 5876] read(200, [pid 5875] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] close(16 [pid 5869] close(15 [pid 5877] close(3 [pid 5876] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5875] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5871] close(16 [pid 5877] <... close resumed>) = 0 [pid 5876] symlink("/dev/binderfs", "./binderfs" [pid 5875] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5877] read(200, [pid 5876] <... symlink resumed>) = 0 [pid 5875] <... mprotect resumed>) = 0 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] close(17 [pid 5877] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5876] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] 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 5871] close(17 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] close(16./strace-static-x86_64: Process 5878 attached [pid 5877] symlink("/dev/binderfs", "./binderfs" [pid 5876] <... futex resumed>) = 0 [pid 5870] close(18 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5877] <... symlink resumed>) = 0 [pid 5876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5875] <... clone resumed>, parent_tid=[129], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 129 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5878] set_robust_list(0x7f4e92bc39e0, 24 [pid 5877] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5875] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] close(18 [pid 5870] close(19 [pid 5869] close(17 [pid 5878] <... set_robust_list resumed>) = 0 [pid 5877] <... futex resumed>) = 0 [pid 5876] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5875] <... futex resumed>) = 0 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5878] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5876] <... mprotect resumed>) = 0 [pid 5875] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5870] close(20 [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5878] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5877] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5876] 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 5871] close(19 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] close(18./strace-static-x86_64: Process 5879 attached [pid 5878] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] close(21 [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] set_robust_list(0x7f4e92bc39e0, 24 [pid 5878] <... futex resumed>) = 1 [pid 5877] <... mprotect resumed>) = 0 [pid 5876] <... clone resumed>, parent_tid=[131], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 131 [pid 5875] <... futex resumed>) = 0 [pid 5871] close(20 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] close(19 [pid 5879] <... set_robust_list resumed>) = 0 [pid 5878] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5877] 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 5876] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] close(3 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] close(22 [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5880 attached [pid 5879] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5876] <... futex resumed>) = 0 [pid 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] close(21 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] close(20 [pid 5880] set_robust_list(0x7f4e92bc39e0, 24 [pid 5879] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5877] <... clone resumed>, parent_tid=[131], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 131 [pid 5876] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5875] close(4 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] close(23 [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5880] <... set_robust_list resumed>) = 0 [pid 5879] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5880] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5879] <... futex resumed>) = 0 [pid 5877] <... futex resumed>) = 0 [pid 5876] close(3 [pid 5875] close(5 [pid 5871] close(22 [pid 5870] close(24 [pid 5869] close(21 [pid 5880] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5879] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5877] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] close(23 [pid 5870] close(25 [pid 5869] close(22 [pid 5880] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] close(4 [pid 5875] close(6 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5880] <... futex resumed>) = 1 [pid 5877] <... futex resumed>) = 0 [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] close(24 [pid 5870] close(26 [pid 5869] close(23 [pid 5880] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5877] close(3 [pid 5876] close(5 [pid 5875] close(7 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] close(25 [pid 5870] close(27 [pid 5869] close(24 [pid 5877] close(4 [pid 5876] close(6 [pid 5875] close(8 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] close(26 [pid 5870] close(28 [pid 5869] close(25 [pid 5877] close(5 [pid 5876] close(7 [pid 5875] close(9 [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] close(29 [pid 5877] close(6 [pid 5876] close(8 [pid 5875] close(10 [pid 5871] close(27 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] close(26 [pid 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] <... 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 5870] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5877] close(7 [pid 5876] close(9 [pid 5875] close(11 [pid 5871] close(28 [pid 5870] <... write resumed>) = 335 [pid 5869] close(27 [pid 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5870] exit_group(0 [pid 5877] close(8 [pid 5876] close(10 [pid 5875] close(12 [pid 5872] <... futex resumed>) = ? [pid 5871] close(29 [pid 5870] <... exit_group resumed>) = ? [pid 5869] <... 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 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] +++ exited with 0 +++ [pid 5871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] close(28 [pid 5877] close(9 [pid 5876] close(11 [pid 5875] close(13 [pid 5871] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5871] <... write resumed>) = 335 [pid 5869] close(29 [pid 5877] close(10 [pid 5876] close(12 [pid 5875] close(14 [pid 5871] exit_group(0 [pid 5869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) 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 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] <... futex resumed>) = ? [pid 5871] <... exit_group resumed>) = ? [pid 5869] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5877] close(11 [pid 5876] close(13 [pid 5875] close(15 [pid 5869] <... write resumed>) = 335 [pid 5869] exit_group(0 [pid 5873] <... futex resumed>) = ? [pid 5869] <... exit_group resumed>) = ? [pid 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] +++ exited with 0 +++ [pid 5873] +++ exited with 0 +++ [pid 5871] +++ exited with 0 +++ [pid 5869] +++ exited with 0 +++ [pid 5877] close(12 [pid 5876] close(14 [pid 5875] close(16 [pid 5870] +++ exited with 0 +++ [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=136, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=134, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5877] close(13 [pid 5876] close(15 [pid 5875] close(17 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=140, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] restart_syscall(<... resuming interrupted clone ...> [pid 5877] close(14 [pid 5876] close(16 [pid 5875] close(18 [pid 5033] <... restart_syscall resumed>) = 0 [pid 5031] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5877] close(15 [pid 5876] close(17 [pid 5032] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] close(19 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5877] close(16 [pid 5876] close(18 [pid 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] close(20 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... openat resumed>) = 3 [pid 5031] <... openat resumed>) = 3 [pid 5877] close(17 [pid 5876] close(19 [pid 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] fstat(3, [pid 5031] fstat(3, [pid 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] close(21 [pid 5033] <... openat resumed>) = 3 [pid 5032] <... 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 5877] close(18 [pid 5876] close(20 [pid 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 5032] getdents64(3, [pid 5031] getdents64(3, [pid 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] close(22 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5877] close(19 [pid 5876] close(21 [pid 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5032] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] close(23 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5877] close(20 [pid 5876] close(22 [pid 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] lstat("./66/binderfs", [pid 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] close(24 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5877] close(21 [pid 5876] close(23 [pid 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./69/binderfs", [pid 5031] unlink("./66/binderfs" [pid 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] close(25 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... unlink resumed>) = 0 [pid 5877] close(22 [pid 5876] close(24 [pid 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./69/binderfs" [pid 5032] lstat("./67/binderfs", [pid 5031] umount2("./66/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] close(26 [pid 5033] <... unlink resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5877] close(23 [pid 5876] close(25 [pid 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./69/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] lstat("./66/cgroup.net", [pid 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] close(27 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] unlink("./67/binderfs" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5877] close(24 [pid 5876] close(26 [pid 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./69/cgroup.net", [pid 5031] unlink("./66/cgroup.net" [pid 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] close(28 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5877] close(25 [pid 5876] close(27 [pid 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./69/cgroup.net" [pid 5032] umount2("./67/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] umount2("./66/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] close(29 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5877] close(26 [pid 5876] close(28 [pid 5875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./69/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] lstat("./66/cgroup.cpu", 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 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] 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] lstat("./67/cgroup.net", [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5877] close(27 [pid 5876] close(29 [pid 5875] <... write resumed>) = 335 [pid 5033] lstat("./69/cgroup.cpu", [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] unlink("./66/cgroup.cpu" [pid 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] exit_group(0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] unlink("./67/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 5031] <... unlink resumed>) = 0 [pid 5878] <... futex resumed>) = ? [pid 5877] close(28 [pid 5876] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5875] <... exit_group resumed>) = ? [pid 5033] unlink("./69/cgroup.cpu" [pid 5032] <... unlink resumed>) = 0 [pid 5031] umount2("./66/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5878] +++ exited with 0 +++ [pid 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... write resumed>) = 335 [pid 5875] +++ exited with 0 +++ [pid 5033] <... unlink resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5877] close(29 [pid 5876] exit_group(0 [pid 5033] umount2("./69/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] umount2("./67/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] lstat("./66/cgroup", [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=128, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5879] <... futex resumed>) = ? [pid 5877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5876] <... exit_group resumed>) = ? [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5879] +++ exited with 0 +++ [pid 5032] lstat("./67/cgroup.cpu", [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5877] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] lstat("./69/cgroup", [pid 5032] <... 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 5032] unlink("./67/cgroup.cpu" [pid 5877] <... write resumed>) = 335 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5031] unlink("./66/cgroup" [pid 5877] exit_group(0 [pid 5033] unlink("./69/cgroup" [pid 5032] umount2("./67/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5880] <... futex resumed>) = ? [pid 5877] <... exit_group resumed>) = ? [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... unlink resumed>) = 0 [pid 5028] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5880] +++ exited with 0 +++ [pid 5032] lstat("./67/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] unlink("./67/cgroup" [pid 5033] getdents64(3, [pid 5032] <... unlink resumed>) = 0 [pid 5031] getdents64(3, [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5877] +++ exited with 0 +++ [pid 5032] getdents64(3, [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5033] close(3 [pid 5032] close(3 [pid 5028] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5876] +++ exited with 0 +++ [pid 5033] <... close resumed>) = 0 [pid 5032] <... close resumed>) = 0 [pid 5031] close(3 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5033] rmdir("./69" [pid 5032] rmdir("./67" [pid 5031] <... close resumed>) = 0 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=130, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5028] <... openat resumed>) = 3 [pid 5033] <... rmdir resumed>) = 0 [pid 5032] <... rmdir resumed>) = 0 [pid 5033] mkdir("./70", 0777 [pid 5032] mkdir("./68", 0777 [pid 5031] rmdir("./66" [pid 5028] fstat(3, [pid 5033] <... mkdir resumed>) = 0 [pid 5032] <... mkdir resumed>) = 0 [pid 5031] <... rmdir resumed>) = 0 [pid 5030] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] mkdir("./67", 0777 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5881 attached [pid 5031] <... mkdir resumed>) = 0 [pid 5030] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] getdents64(3, [pid 5881] set_robust_list(0x55555580e6e0, 24 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 138 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] <... openat resumed>) = 3 [pid 5029] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5881] <... set_robust_list resumed>) = 0 [pid 5030] fstat(3, [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5881] chdir("./68" [pid 5030] getdents64(3, [pid 5029] <... openat resumed>) = 3 [pid 5028] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 5882 attached [pid 5881] <... chdir resumed>) = 0 [pid 5030] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] fstat(3, [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5882] set_robust_list(0x55555580e6e0, 24 [pid 5881] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./63/binderfs", ./strace-static-x86_64: Process 5883 attached [pid 5882] <... set_robust_list resumed>) = 0 [pid 5881] <... prctl resumed>) = 0 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 142 [pid 5030] lstat("./64/binderfs", [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5883] set_robust_list(0x55555580e6e0, 24 [pid 5882] chdir("./70" [pid 5881] setpgid(0, 0 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 136 [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 5883] <... set_robust_list resumed>) = 0 [pid 5882] <... chdir resumed>) = 0 [pid 5030] unlink("./64/binderfs" [pid 5029] getdents64(3, [pid 5882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5881] <... setpgid resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5028] unlink("./63/binderfs" [pid 5882] <... prctl resumed>) = 0 [pid 5030] umount2("./64/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5882] setpgid(0, 0 [pid 5881] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5883] chdir("./67" [pid 5882] <... setpgid resumed>) = 0 [pid 5881] <... symlink resumed>) = 0 [pid 5030] lstat("./64/cgroup.net", [pid 5028] <... unlink resumed>) = 0 [pid 5883] <... chdir resumed>) = 0 [pid 5882] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5881] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5882] <... symlink resumed>) = 0 [pid 5881] <... symlink resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./63/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5883] <... prctl resumed>) = 0 [pid 5882] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5881] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5030] unlink("./64/cgroup.net" [pid 5029] lstat("./64/binderfs", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5883] setpgid(0, 0 [pid 5882] <... symlink resumed>) = 0 [pid 5881] <... symlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] lstat("./63/cgroup.net", [pid 5883] <... setpgid resumed>) = 0 [pid 5882] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5030] <... unlink resumed>) = 0 [pid 5029] unlink("./64/binderfs" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5883] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5882] <... symlink resumed>) = 0 [pid 5881] <... openat resumed>) = 3 [pid 5030] umount2("./64/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... unlink resumed>) = 0 [pid 5028] unlink("./63/cgroup.net" [pid 5883] <... symlink resumed>) = 0 [pid 5882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5881] write(3, "1000", 4 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./64/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 [pid 5883] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5882] <... openat resumed>) = 3 [pid 5881] <... write resumed>) = 4 [pid 5030] lstat("./64/cgroup.cpu", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./63/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5883] <... symlink resumed>) = 0 [pid 5882] write(3, "1000", 4 [pid 5881] close(3 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] lstat("./64/cgroup.net", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5883] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5882] <... write resumed>) = 4 [pid 5881] <... close resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] lstat("./63/cgroup.cpu", [pid 5883] <... symlink resumed>) = 0 [pid 5882] close(3 [pid 5881] read(200, [pid 5030] unlink("./64/cgroup.cpu" [pid 5029] unlink("./64/cgroup.net" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5882] <... close resumed>) = 0 [pid 5881] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5028] unlink("./63/cgroup.cpu" [pid 5883] <... openat resumed>) = 3 [pid 5882] read(200, [pid 5881] symlink("/dev/binderfs", "./binderfs" [pid 5030] umount2("./64/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./64/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 [pid 5883] write(3, "1000", 4 [pid 5882] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5881] <... symlink resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./63/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5883] <... write resumed>) = 4 [pid 5882] symlink("/dev/binderfs", "./binderfs" [pid 5881] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] lstat("./64/cgroup", [pid 5029] lstat("./64/cgroup.cpu", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5883] close(3 [pid 5881] <... futex resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] lstat("./63/cgroup", [pid 5883] <... close resumed>) = 0 [pid 5882] <... symlink resumed>) = 0 [pid 5881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] unlink("./64/cgroup.cpu" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5883] read(200, [pid 5882] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5030] unlink("./64/cgroup" [pid 5029] <... unlink resumed>) = 0 [pid 5028] unlink("./63/cgroup" [pid 5883] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5882] <... futex resumed>) = 0 [pid 5881] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5029] umount2("./64/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 [pid 5883] symlink("/dev/binderfs", "./binderfs" [pid 5882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5881] <... mprotect resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] getdents64(3, [pid 5883] <... symlink resumed>) = 0 [pid 5882] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5881] 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 5029] lstat("./64/cgroup", [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5884 attached [pid 5883] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5030] getdents64(3, [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] close(3 [pid 5884] set_robust_list(0x7f4e92bc39e0, 24 [pid 5883] <... futex resumed>) = 0 [pid 5882] <... mprotect resumed>) = 0 [pid 5881] <... clone resumed>, parent_tid=[139], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 139 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] unlink("./64/cgroup" [pid 5028] <... close resumed>) = 0 [pid 5884] <... set_robust_list resumed>) = 0 [pid 5883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5882] 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 5881] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] close(3 [pid 5029] <... unlink resumed>) = 0 [pid 5028] rmdir("./63"./strace-static-x86_64: Process 5885 attached [pid 5884] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5883] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5881] <... futex resumed>) = 0 [pid 5029] getdents64(3, [pid 5028] <... rmdir resumed>) = 0 [pid 5885] set_robust_list(0x7f4e92bc39e0, 24 [pid 5884] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5883] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5881] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5030] <... close resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] mkdir("./64", 0777 [pid 5885] <... set_robust_list resumed>) = 0 [pid 5884] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... mprotect resumed>) = 0 [pid 5882] <... clone resumed>, parent_tid=[143], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 143 [pid 5881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5030] rmdir("./64" [pid 5029] close(3 [pid 5028] <... mkdir resumed>) = 0 [pid 5885] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5884] <... futex resumed>) = 0 [pid 5883] 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 5882] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] close(3 [pid 5030] <... rmdir resumed>) = 0 [pid 5029] <... close resumed>) = 0 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5886 attached [pid 5885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5884] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5882] <... futex resumed>) = 0 [pid 5881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] mkdir("./65", 0777 [pid 5029] rmdir("./64"./strace-static-x86_64: Process 5887 attached [pid 5886] set_robust_list(0x7f4e92bc39e0, 24 [pid 5885] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5883] <... clone resumed>, parent_tid=[137], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 137 [pid 5882] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5881] close(4 [pid 5029] <... rmdir resumed>) = 0 [pid 5887] set_robust_list(0x55555580e6e0, 24 [pid 5886] <... set_robust_list resumed>) = 0 [pid 5885] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5883] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... mkdir resumed>) = 0 [pid 5029] mkdir("./65", 0777 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 130 [pid 5887] <... set_robust_list resumed>) = 0 [pid 5886] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5885] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... futex resumed>) = 0 [pid 5881] close(5 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] <... mkdir resumed>) = 0 [pid 5887] chdir("./64" [pid 5886] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5885] <... futex resumed>) = 1 [pid 5883] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5882] <... futex resumed>) = 0 [pid 5881] <... 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 5888 attached ./strace-static-x86_64: Process 5889 attached [pid 5887] <... chdir resumed>) = 0 [pid 5886] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5882] close(3 [pid 5881] close(6 [pid 5888] set_robust_list(0x55555580e6e0, 24 [pid 5887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5886] <... futex resumed>) = 0 [pid 5883] close(3 [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 132 [pid 5889] set_robust_list(0x55555580e6e0, 24 [pid 5888] <... set_robust_list resumed>) = 0 [pid 5887] <... prctl resumed>) = 0 [pid 5886] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] close(4 [pid 5881] close(7 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 132 [pid 5889] <... set_robust_list resumed>) = 0 [pid 5888] chdir("./65" [pid 5887] setpgid(0, 0 [pid 5883] close(4 [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5889] chdir("./65" [pid 5888] <... chdir resumed>) = 0 [pid 5887] <... setpgid resumed>) = 0 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] close(5 [pid 5881] close(8 [pid 5889] <... chdir resumed>) = 0 [pid 5888] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5887] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5883] close(5 [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5889] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5888] <... prctl resumed>) = 0 [pid 5887] <... symlink resumed>) = 0 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] close(6 [pid 5881] close(9 [pid 5889] <... prctl resumed>) = 0 [pid 5888] setpgid(0, 0 [pid 5887] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5883] close(6 [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5889] setpgid(0, 0 [pid 5888] <... setpgid resumed>) = 0 [pid 5887] <... symlink resumed>) = 0 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] close(7 [pid 5889] <... setpgid resumed>) = 0 [pid 5888] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5887] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5883] close(7 [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] close(10 [pid 5889] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5888] <... symlink resumed>) = 0 [pid 5887] <... symlink resumed>) = 0 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] close(8 [pid 5881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5889] <... symlink resumed>) = 0 [pid 5888] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5883] close(8 [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] close(11 [pid 5889] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5888] <... symlink resumed>) = 0 [pid 5887] <... openat resumed>) = 3 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] close(9 [pid 5881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] write(3, "1000", 4 [pid 5883] close(9 [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] close(12 [pid 5889] <... symlink resumed>) = 0 [pid 5888] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5887] <... write resumed>) = 4 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] close(10 [pid 5881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5889] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5888] <... symlink resumed>) = 0 [pid 5887] close(3 [pid 5883] close(10 [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] close(13 [pid 5889] <... symlink resumed>) = 0 [pid 5888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5887] <... close resumed>) = 0 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] close(11 [pid 5881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5888] <... openat resumed>) = 3 [pid 5887] read(200, [pid 5883] close(11 [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] close(14 [pid 5889] <... openat resumed>) = 3 [pid 5888] write(3, "1000", 4 [pid 5887] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] close(12 [pid 5881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5889] write(3, "1000", 4 [pid 5888] <... write resumed>) = 4 [pid 5887] symlink("/dev/binderfs", "./binderfs" [pid 5883] close(12 [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] close(15 [pid 5889] <... write resumed>) = 4 [pid 5888] close(3 [pid 5887] <... symlink resumed>) = 0 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] close(13 [pid 5881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5889] close(3 [pid 5888] <... close resumed>) = 0 [pid 5887] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] close(13 [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] close(16 [pid 5889] <... close resumed>) = 0 [pid 5888] read(200, [pid 5887] <... futex resumed>) = 0 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] close(14 [pid 5881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5889] read(200, [pid 5888] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5887] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5883] close(14 [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] close(17 [pid 5889] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5888] symlink("/dev/binderfs", "./binderfs" [pid 5887] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] close(15 [pid 5881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5889] symlink("/dev/binderfs", "./binderfs" [pid 5888] <... symlink resumed>) = 0 [pid 5889] <... symlink resumed>) = 0 [pid 5888] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5883] close(15 [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] close(18 [pid 5889] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] <... futex resumed>) = 0 [pid 5887] <... mprotect resumed>) = 0 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] close(16 [pid 5881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5889] <... futex resumed>) = 0 [pid 5888] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5887] 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 5883] close(16 [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] close(19 [pid 5889] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5888] <... mmap resumed>) = 0x7f4e92ba3000 ./strace-static-x86_64: Process 5890 attached [pid 5889] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5888] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] close(17 [pid 5881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5890] set_robust_list(0x7f4e92bc39e0, 24 [pid 5889] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5888] <... mprotect resumed>) = 0 [pid 5890] <... set_robust_list resumed>) = 0 [pid 5889] <... mprotect resumed>) = 0 [pid 5888] 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 5887] <... clone resumed>, parent_tid=[131], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 131 [pid 5883] close(17 [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] close(20./strace-static-x86_64: Process 5891 attached [pid 5890] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5889] 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 5887] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] close(18 [pid 5881] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5892 attached [pid 5891] set_robust_list(0x7f4e92bc39e0, 24 [pid 5890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5888] <... clone resumed>, parent_tid=[133], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 133 [pid 5887] <... futex resumed>) = 0 [pid 5883] close(18 [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] close(21 [pid 5892] set_robust_list(0x7f4e92bc39e0, 24 [pid 5891] <... set_robust_list resumed>) = 0 [pid 5890] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5889] <... clone resumed>, parent_tid=[133], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 133 [pid 5888] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] close(19 [pid 5892] <... set_robust_list resumed>) = 0 [pid 5891] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5890] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5889] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] <... futex resumed>) = 0 [pid 5881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5892] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5891] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5890] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] <... futex resumed>) = 0 [pid 5888] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5883] close(19 [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] close(22 [pid 5892] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5891] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] <... futex resumed>) = 1 [pid 5889] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5887] <... futex resumed>) = 0 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] close(20 [pid 5881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5892] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] <... futex resumed>) = 0 [pid 5890] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5888] close(3 [pid 5887] close(3 [pid 5883] close(20 [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] close(23 [pid 5891] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] close(4 [pid 5887] close(4 [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] close(21 [pid 5881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5892] <... futex resumed>) = 1 [pid 5889] <... futex resumed>) = 0 [pid 5888] close(5 [pid 5887] close(5 [pid 5883] close(21 [pid 5881] close(24 [pid 5892] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5889] close(3 [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] close(6 [pid 5887] close(6 [pid 5883] close(22 [pid 5881] close(25 [pid 5882] close(22 [pid 5889] close(4 [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] close(7 [pid 5887] close(7 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5889] close(5 [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] close(23 [pid 5882] close(23 [pid 5881] close(26 [pid 5889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] close(8 [pid 5887] close(8 [pid 5889] close(6 [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] close(9 [pid 5887] close(9 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5889] close(7 [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] close(24 [pid 5882] close(24 [pid 5881] close(27 [pid 5889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] close(10 [pid 5887] close(10 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5889] close(8 [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] close(25 [pid 5882] close(25 [pid 5881] close(28 [pid 5889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] close(11 [pid 5887] close(11 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5889] close(9 [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] close(26 [pid 5882] close(26 [pid 5881] close(29 [pid 5889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] close(12 [pid 5887] close(12 [pid 5883] <... 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 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5889] close(10 [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] close(27 [pid 5882] close(27 [pid 5881] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] close(13 [pid 5887] close(13 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] <... write resumed>) = 335 [pid 5883] close(28 [pid 5882] close(28 [pid 5881] exit_group(0 [pid 5889] close(11 [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5884] <... futex resumed>) = ? [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] <... exit_group resumed>) = ? [pid 5889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] close(14 [pid 5887] close(14 [pid 5884] +++ exited with 0 +++ [pid 5883] close(29 [pid 5882] close(29 [pid 5881] +++ exited with 0 +++ [pid 5889] close(12 [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] <... 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 5882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] close(15 [pid 5887] close(15 [pid 5883] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 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 5882] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=138, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5889] close(13 [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] <... write resumed>) = 335 [pid 5882] <... write resumed>) = 335 [pid 5889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] close(16 [pid 5887] close(16 [pid 5883] exit_group(0 [pid 5882] exit_group(0 [pid 5889] close(14 [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5886] <... futex resumed>) = ? [pid 5885] <... futex resumed>) = ? [pid 5883] <... exit_group resumed>) = ? [pid 5882] <... exit_group resumed>) = ? [pid 5889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] close(17 [pid 5887] close(17 [pid 5886] +++ exited with 0 +++ [pid 5885] +++ exited with 0 +++ [pid 5883] +++ exited with 0 +++ [pid 5032] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5889] close(15 [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] +++ exited with 0 +++ [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] close(18 [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=136, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5889] close(16 [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] close(18 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=142, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5032] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] restart_syscall(<... resuming interrupted clone ...> [pid 5889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] close(19 [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... restart_syscall resumed>) = 0 [pid 5889] close(17 [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] close(19 [pid 5032] <... openat resumed>) = 3 [pid 5889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] close(20 [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] fstat(3, [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] close(20 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5889] close(18 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] close(21 [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5889] close(19 [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] close(21 [pid 5033] <... openat resumed>) = 3 [pid 5032] getdents64(3, [pid 5031] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 5031] <... openat resumed>) = 3 [pid 5889] close(20 [pid 5888] close(22 [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] fstat(3, [pid 5889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] close(22 [pid 5033] getdents64(3, [pid 5032] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5889] close(21 [pid 5888] close(23 [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] getdents64(3, [pid 5889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] close(23 [pid 5033] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5889] close(22 [pid 5888] close(24 [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] lstat("./68/binderfs", [pid 5031] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] close(24 [pid 5033] lstat("./70/binderfs", [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5889] close(23 [pid 5888] close(25 [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] unlink("./68/binderfs" [pid 5031] lstat("./67/binderfs", [pid 5889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] close(25 [pid 5033] unlink("./70/binderfs" [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5889] close(24 [pid 5888] close(26 [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5031] unlink("./67/binderfs" [pid 5889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] close(26 [pid 5033] umount2("./70/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] umount2("./68/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... unlink resumed>) = 0 [pid 5889] close(25 [pid 5888] close(27 [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./67/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] close(27 [pid 5033] lstat("./70/cgroup.net", [pid 5032] lstat("./68/cgroup.net", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5889] close(26 [pid 5888] close(28 [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] lstat("./67/cgroup.net", [pid 5889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] close(28 [pid 5033] unlink("./70/cgroup.net" [pid 5032] unlink("./68/cgroup.net" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5889] close(27 [pid 5888] close(29 [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5031] unlink("./67/cgroup.net" [pid 5889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5887] close(29 [pid 5033] umount2("./70/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... 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 5889] close(28 [pid 5888] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] umount2("./68/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] umount2("./67/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5889] <... 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 5888] <... write resumed>) = 335 [pid 5887] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] lstat("./70/cgroup.cpu", [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5889] close(29 [pid 5888] exit_group(0 [pid 5887] <... write resumed>) = 335 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] lstat("./67/cgroup.cpu", [pid 5891] <... futex 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 5889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] <... exit_group resumed>) = ? [pid 5887] exit_group(0 [pid 5033] unlink("./70/cgroup.cpu" [pid 5032] lstat("./68/cgroup.cpu", [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5889] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5887] <... exit_group resumed>) = ? [pid 5033] <... unlink resumed>) = 0 [pid 5031] unlink("./67/cgroup.cpu" [pid 5890] <... futex resumed>) = ? [pid 5889] <... write resumed>) = 335 [pid 5033] umount2("./70/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5891] +++ exited with 0 +++ [pid 5889] exit_group(0 [pid 5888] +++ exited with 0 +++ [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./67/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5892] <... futex resumed>) = ? [pid 5889] <... exit_group resumed>) = ? [pid 5033] lstat("./70/cgroup", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=132, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5892] +++ exited with 0 +++ [pid 5890] +++ exited with 0 +++ [pid 5887] +++ exited with 0 +++ [pid 5032] unlink("./68/cgroup.cpu" [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5031] lstat("./67/cgroup", [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=130, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5033] unlink("./70/cgroup" [pid 5032] umount2("./68/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5889] +++ exited with 0 +++ [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5033] getdents64(3, [pid 5032] lstat("./68/cgroup", [pid 5031] unlink("./67/cgroup" [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=132, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] unlink("./68/cgroup" [pid 5033] close(3 [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5028] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] getdents64(3, 0x555555810850 /* 0 entries */, 32768) = 0 [pid 5033] <... close resumed>) = 0 [pid 5032] close(3 [pid 5031] getdents64(3, [pid 5030] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... close resumed>) = 0 [pid 5032] rmdir("./68" [pid 5033] rmdir("./70" [pid 5032] <... rmdir resumed>) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] mkdir("./69", 0777 [pid 5033] <... rmdir resumed>) = 0 [pid 5032] <... mkdir resumed>) = 0 [pid 5031] close(3 [pid 5030] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5033] mkdir("./71", 0777 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5893 attached [pid 5033] <... mkdir resumed>) = 0 [pid 5031] <... close resumed>) = 0 [pid 5030] <... openat resumed>) = 3 [pid 5029] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] fstat(3, [pid 5893] set_robust_list(0x55555580e6e0, 24 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 140 [pid 5031] rmdir("./67" [pid 5030] fstat(3, [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5893] <... set_robust_list resumed>) = 0 [pid 5031] <... rmdir resumed>) = 0 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] getdents64(3, ./strace-static-x86_64: Process 5894 attached [pid 5893] chdir("./69" [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 144 [pid 5031] mkdir("./68", 0777 [pid 5030] getdents64(3, [pid 5029] <... openat resumed>) = 3 [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5894] set_robust_list(0x55555580e6e0, 24 [pid 5893] <... chdir resumed>) = 0 [pid 5031] <... mkdir resumed>) = 0 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] fstat(3, [pid 5028] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5894] <... set_robust_list resumed>) = 0 [pid 5893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] umount2("./65/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 5894] chdir("./71" [pid 5893] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5895 attached [pid 5894] <... chdir resumed>) = 0 [pid 5893] setpgid(0, 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] getdents64(3, [pid 5028] lstat("./64/binderfs", [pid 5895] set_robust_list(0x55555580e6e0, 24 [pid 5894] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5893] <... setpgid resumed>) = 0 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 138 [pid 5030] lstat("./65/binderfs", [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5895] <... set_robust_list resumed>) = 0 [pid 5894] <... prctl resumed>) = 0 [pid 5893] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./64/binderfs" [pid 5895] chdir("./68" [pid 5894] setpgid(0, 0 [pid 5893] <... symlink resumed>) = 0 [pid 5030] unlink("./65/binderfs" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 5895] <... chdir resumed>) = 0 [pid 5894] <... setpgid resumed>) = 0 [pid 5893] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5030] <... unlink resumed>) = 0 [pid 5029] lstat("./65/binderfs", [pid 5028] umount2("./64/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5895] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5894] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5893] <... symlink resumed>) = 0 [pid 5030] umount2("./65/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 5895] <... prctl resumed>) = 0 [pid 5894] <... symlink resumed>) = 0 [pid 5893] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./65/binderfs" [pid 5028] lstat("./64/cgroup.net", [pid 5895] setpgid(0, 0 [pid 5894] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5893] <... symlink resumed>) = 0 [pid 5030] lstat("./65/cgroup.net", [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5895] <... setpgid resumed>) = 0 [pid 5894] <... symlink resumed>) = 0 [pid 5893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] umount2("./65/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./64/cgroup.net" [pid 5895] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5894] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5893] <... openat resumed>) = 3 [pid 5030] unlink("./65/cgroup.net" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 5895] <... symlink resumed>) = 0 [pid 5894] <... symlink resumed>) = 0 [pid 5893] write(3, "1000", 4 [pid 5030] <... unlink resumed>) = 0 [pid 5029] lstat("./65/cgroup.net", [pid 5028] umount2("./64/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5895] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5893] <... write resumed>) = 4 [pid 5030] umount2("./65/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 5895] <... symlink resumed>) = 0 [pid 5894] <... openat resumed>) = 3 [pid 5893] close(3 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./65/cgroup.net" [pid 5028] lstat("./64/cgroup.cpu", [pid 5895] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5894] write(3, "1000", 4 [pid 5893] <... close resumed>) = 0 [pid 5030] lstat("./65/cgroup.cpu", [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5895] <... symlink resumed>) = 0 [pid 5894] <... write resumed>) = 4 [pid 5893] read(200, [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] umount2("./65/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./64/cgroup.cpu" [pid 5895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5894] close(3 [pid 5893] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5030] unlink("./65/cgroup.cpu" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 5895] <... openat resumed>) = 3 [pid 5894] <... close resumed>) = 0 [pid 5893] symlink("/dev/binderfs", "./binderfs" [pid 5030] <... unlink resumed>) = 0 [pid 5029] lstat("./65/cgroup.cpu", [pid 5028] umount2("./64/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5895] write(3, "1000", 4 [pid 5894] read(200, [pid 5893] <... symlink resumed>) = 0 [pid 5030] umount2("./65/cgroup", 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 5895] <... write resumed>) = 4 [pid 5894] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5893] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./65/cgroup.cpu" [pid 5028] lstat("./64/cgroup", [pid 5895] close(3 [pid 5894] symlink("/dev/binderfs", "./binderfs" [pid 5893] <... futex resumed>) = 0 [pid 5030] lstat("./65/cgroup", [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5895] <... close resumed>) = 0 [pid 5894] <... symlink resumed>) = 0 [pid 5893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] umount2("./65/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./64/cgroup" [pid 5895] read(200, [pid 5894] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5030] unlink("./65/cgroup" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 5895] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5894] <... futex resumed>) = 0 [pid 5893] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5030] <... unlink resumed>) = 0 [pid 5029] lstat("./65/cgroup", [pid 5028] getdents64(3, [pid 5895] symlink("/dev/binderfs", "./binderfs" [pid 5894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5893] <... mprotect resumed>) = 0 [pid 5030] getdents64(3, [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5895] <... symlink resumed>) = 0 [pid 5894] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5893] 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 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] unlink("./65/cgroup" [pid 5028] close(3./strace-static-x86_64: Process 5896 attached [pid 5895] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5030] close(3 [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... close resumed>) = 0 [pid 5896] set_robust_list(0x7f4e92bc39e0, 24 [pid 5895] <... futex resumed>) = 0 [pid 5894] <... mprotect resumed>) = 0 [pid 5893] <... clone resumed>, parent_tid=[141], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 141 [pid 5030] <... close resumed>) = 0 [pid 5029] getdents64(3, [pid 5028] rmdir("./64" [pid 5896] <... set_robust_list resumed>) = 0 [pid 5895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5894] 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 5893] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] rmdir("./65" [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5897 attached [pid 5896] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5895] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5893] <... futex resumed>) = 0 [pid 5030] <... rmdir resumed>) = 0 [pid 5029] close(3 [pid 5028] mkdir("./65", 0777 [pid 5897] set_robust_list(0x7f4e92bc39e0, 24 [pid 5896] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5895] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5894] <... clone resumed>, parent_tid=[145], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 145 [pid 5893] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5030] mkdir("./66", 0777 [pid 5029] <... close resumed>) = 0 [pid 5028] <... mkdir resumed>) = 0 [pid 5897] <... set_robust_list resumed>) = 0 [pid 5896] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] <... mprotect resumed>) = 0 [pid 5894] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5030] <... mkdir resumed>) = 0 [pid 5029] rmdir("./65" [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5897] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5896] <... futex resumed>) = 0 [pid 5895] 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 5894] <... futex resumed>) = 0 [pid 5893] close(3 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5900 attached ./strace-static-x86_64: Process 5899 attached ./strace-static-x86_64: Process 5898 attached [pid 5897] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5896] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5894] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] mkdir("./66", 0777 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 132 [pid 5900] set_robust_list(0x55555580e6e0, 24 [pid 5899] set_robust_list(0x7f4e92bc39e0, 24 [pid 5898] set_robust_list(0x55555580e6e0, 24 [pid 5897] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] <... clone resumed>, parent_tid=[139], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 139 [pid 5894] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5893] close(4 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 134 [pid 5029] <... mkdir resumed>) = 0 [pid 5900] <... set_robust_list resumed>) = 0 [pid 5899] <... set_robust_list resumed>) = 0 [pid 5898] <... set_robust_list resumed>) = 0 [pid 5897] <... futex resumed>) = 0 [pid 5895] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] close(3 [pid 5893] <... 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 5901 attached [pid 5900] chdir("./66" [pid 5899] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5898] chdir("./65" [pid 5897] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5895] <... futex resumed>) = 0 [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] close(5 [pid 5901] set_robust_list(0x55555580e6e0, 24 [pid 5900] <... chdir resumed>) = 0 [pid 5899] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5898] <... chdir resumed>) = 0 [pid 5895] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5894] close(4 [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 134 [pid 5901] <... set_robust_list resumed>) = 0 [pid 5900] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5899] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] close(6 [pid 5901] chdir("./66" [pid 5900] <... prctl resumed>) = 0 [pid 5899] <... futex resumed>) = 0 [pid 5898] <... prctl resumed>) = 0 [pid 5895] close(3 [pid 5894] close(5 [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5901] <... chdir resumed>) = 0 [pid 5900] setpgid(0, 0 [pid 5899] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5898] setpgid(0, 0 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] close(7 [pid 5901] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5900] <... setpgid resumed>) = 0 [pid 5898] <... setpgid resumed>) = 0 [pid 5895] close(4 [pid 5894] close(6 [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5901] <... prctl resumed>) = 0 [pid 5900] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5898] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] close(8 [pid 5901] setpgid(0, 0 [pid 5895] close(5 [pid 5894] close(7 [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5901] <... setpgid resumed>) = 0 [pid 5900] <... symlink resumed>) = 0 [pid 5898] <... symlink resumed>) = 0 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] close(9 [pid 5901] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5900] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5898] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5895] close(6 [pid 5894] close(8 [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5901] <... symlink resumed>) = 0 [pid 5900] <... symlink resumed>) = 0 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] close(10 [pid 5901] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5895] close(7 [pid 5894] close(9 [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5901] <... symlink resumed>) = 0 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] close(11 [pid 5901] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5900] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5898] <... symlink resumed>) = 0 [pid 5895] close(8 [pid 5894] close(10 [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5901] <... symlink resumed>) = 0 [pid 5900] <... symlink resumed>) = 0 [pid 5898] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] close(12 [pid 5901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5898] <... symlink resumed>) = 0 [pid 5895] close(9 [pid 5894] close(11 [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5901] <... openat resumed>) = 3 [pid 5900] <... openat resumed>) = 3 [pid 5898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] close(13 [pid 5901] write(3, "1000", 4 [pid 5900] write(3, "1000", 4 [pid 5898] <... openat resumed>) = 3 [pid 5895] close(10 [pid 5894] close(12 [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5901] <... write resumed>) = 4 [pid 5900] <... write resumed>) = 4 [pid 5898] write(3, "1000", 4 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] close(14 [pid 5901] close(3 [pid 5900] close(3 [pid 5898] <... write resumed>) = 4 [pid 5895] close(11 [pid 5894] close(13 [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5901] <... close resumed>) = 0 [pid 5900] <... close resumed>) = 0 [pid 5898] close(3 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] close(15 [pid 5900] read(200, [pid 5898] <... close resumed>) = 0 [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5898] read(200, [pid 5893] close(16 [pid 5901] read(200, [pid 5900] symlink("/dev/binderfs", "./binderfs" [pid 5898] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5895] close(12 [pid 5894] close(14 [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5901] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5900] <... symlink resumed>) = 0 [pid 5898] symlink("/dev/binderfs", "./binderfs" [pid 5893] close(17 [pid 5901] symlink("/dev/binderfs", "./binderfs" [pid 5900] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] <... symlink resumed>) = 0 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5901] <... symlink resumed>) = 0 [pid 5900] <... futex resumed>) = 0 [pid 5898] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] close(18 [pid 5894] close(15 [pid 5895] close(13 [pid 5901] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5898] <... futex resumed>) = 0 [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5901] <... futex resumed>) = 0 [pid 5900] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5898] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] close(16 [pid 5893] close(19 [pid 5901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5900] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5898] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5895] close(14 [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5901] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5900] <... mprotect resumed>) = 0 [pid 5898] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5893] close(20 [pid 5901] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5900] 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 5898] <... mprotect resumed>) = 0 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] close(17 [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5902 attached [pid 5901] <... mprotect resumed>) = 0 [pid 5898] 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 5895] close(15 [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] close(21./strace-static-x86_64: Process 5903 attached [pid 5902] set_robust_list(0x7f4e92bc39e0, 24 [pid 5901] 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 5900] <... clone resumed>, parent_tid=[135], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 135 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] close(18 [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5903] set_robust_list(0x7f4e92bc39e0, 24 [pid 5902] <... set_robust_list resumed>) = 0 [pid 5900] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] <... clone resumed>, parent_tid=[133], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 133 [pid 5893] close(22./strace-static-x86_64: Process 5904 attached [pid 5903] <... set_robust_list resumed>) = 0 [pid 5902] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5900] <... futex resumed>) = 0 [pid 5898] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] close(16 [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5904] set_robust_list(0x7f4e92bc39e0, 24 [pid 5903] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5902] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5901] <... clone resumed>, parent_tid=[135], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 135 [pid 5900] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5898] <... futex resumed>) = 0 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] close(19 [pid 5893] close(23 [pid 5904] <... set_robust_list resumed>) = 0 [pid 5903] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5902] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5898] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5895] close(17 [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5904] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5903] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] <... futex resumed>) = 0 [pid 5901] <... futex resumed>) = 0 [pid 5900] close(3 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] close(20 [pid 5893] close(24 [pid 5904] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5903] <... futex resumed>) = 1 [pid 5902] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5901] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... futex resumed>) = 0 [pid 5895] close(18 [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5904] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5900] close(4 [pid 5898] close(3 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] close(21 [pid 5893] close(25 [pid 5904] <... futex resumed>) = 0 [pid 5901] close(3 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] close(19 [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5904] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(5 [pid 5898] close(4 [pid 5893] close(26 [pid 5901] close(4 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] close(22 [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(6 [pid 5898] close(5 [pid 5895] close(20 [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] close(27 [pid 5901] close(5 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] close(23 [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(7 [pid 5898] close(6 [pid 5895] close(21 [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] close(28 [pid 5901] close(6 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] close(24 [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(8 [pid 5898] close(7 [pid 5895] close(22 [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] close(29 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] close(25 [pid 5893] <... 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 5901] close(7 [pid 5900] close(9 [pid 5898] close(8 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] close(23 [pid 5894] close(26 [pid 5893] <... write resumed>) = 335 [pid 5901] close(8 [pid 5900] close(10 [pid 5898] close(9 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] exit_group(0 [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] close(24 [pid 5894] close(27 [pid 5901] close(9 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5896] <... futex resumed>) = ? [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... exit_group resumed>) = ? [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] close(25 [pid 5894] close(28 [pid 5901] close(10 [pid 5900] close(11 [pid 5898] close(10 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5896] +++ exited with 0 +++ [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] close(26 [pid 5894] close(29 [pid 5901] close(11 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] close(27 [pid 5893] +++ exited with 0 +++ [pid 5901] 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 5900] close(12 [pid 5898] close(11 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=140, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] close(28 [pid 5894] <... write resumed>) = 335 [pid 5901] close(13 [pid 5900] close(13 [pid 5898] close(12 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] exit_group(0 [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5897] <... futex resumed>) = ? [pid 5895] close(29 [pid 5894] <... exit_group resumed>) = ? [pid 5901] close(14 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5897] +++ exited with 0 +++ [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] +++ exited with 0 +++ [pid 5901] <... 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 5900] close(14 [pid 5898] close(13 [pid 5895] 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=144, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5032] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5901] close(15 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] <... write resumed>) = 335 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(15 [pid 5898] close(14 [pid 5895] exit_group(0 [pid 5901] close(16 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5899] <... futex resumed>) = ? [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] <... exit_group resumed>) = ? [pid 5032] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(16 [pid 5899] +++ exited with 0 +++ [pid 5032] <... openat resumed>) = 3 [pid 5901] close(17 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] close(15 [pid 5032] fstat(3, [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(17 [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5901] close(18 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] close(16 [pid 5895] +++ exited with 0 +++ [pid 5033] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] getdents64(3, [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=138, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(18 [pid 5033] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5901] close(19 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] close(17 [pid 5033] <... openat resumed>) = 3 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(19 [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 5032] lstat("./69/binderfs", [pid 5901] close(20 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] close(18 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(20 [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5032] unlink("./69/binderfs" [pid 5901] close(21 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] close(19 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] <... unlink resumed>) = 0 [pid 5031] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(21 [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] umount2("./69/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5901] close(22 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] close(20 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(22 [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./71/binderfs", [pid 5032] lstat("./69/cgroup.net", [pid 5031] <... openat resumed>) = 3 [pid 5901] close(23 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] close(21 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] fstat(3, [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./71/binderfs" [pid 5032] unlink("./69/cgroup.net" [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5900] close(23 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5031] getdents64(3, [pid 5901] close(24 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] close(22 [pid 5033] umount2("./71/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] umount2("./69/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(24 [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./71/cgroup.net", [pid 5032] lstat("./69/cgroup.cpu", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5901] close(25 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] close(23 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] lstat("./68/binderfs", [pid 5033] unlink("./71/cgroup.net" [pid 5032] unlink("./69/cgroup.cpu" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(25 [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5901] close(26 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] close(24 [pid 5033] umount2("./71/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] umount2("./69/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] unlink("./68/binderfs" [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(26 [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5901] close(27 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] close(25 [pid 5033] lstat("./71/cgroup.cpu", [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... unlink resumed>) = 0 [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(27 [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] lstat("./69/cgroup", [pid 5031] umount2("./68/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5901] close(28 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] close(26 [pid 5033] unlink("./71/cgroup.cpu" [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(28 [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5032] unlink("./69/cgroup" [pid 5031] lstat("./68/cgroup.net", [pid 5901] close(29 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] close(27 [pid 5033] umount2("./71/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(29 [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] getdents64(3, [pid 5031] unlink("./68/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 5901] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] close(28 [pid 5033] lstat("./71/cgroup", [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5901] <... 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 5900] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] close(3 [pid 5031] umount2("./68/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5901] exit_group(0 [pid 5900] <... write resumed>) = 335 [pid 5898] close(29 [pid 5033] unlink("./71/cgroup" [pid 5032] <... close resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5904] <... futex resumed>) = ? [pid 5901] <... exit_group resumed>) = ? [pid 5900] exit_group(0 [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5032] rmdir("./69" [pid 5031] lstat("./68/cgroup.cpu", [pid 5904] +++ exited with 0 +++ [pid 5902] <... futex resumed>) = ? [pid 5901] +++ exited with 0 +++ [pid 5900] <... exit_group resumed>) = ? [pid 5898] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] 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 5902] +++ exited with 0 +++ [pid 5900] +++ exited with 0 +++ [pid 5898] <... write resumed>) = 335 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] <... rmdir resumed>) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=134, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5898] exit_group(0 [pid 5033] close(3 [pid 5032] mkdir("./70", 0777 [pid 5031] unlink("./68/cgroup.cpu" [pid 5903] <... futex resumed>) = ? [pid 5898] <... exit_group resumed>) = ? [pid 5033] <... close resumed>) = 0 [pid 5032] <... mkdir resumed>) = 0 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=134, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5903] +++ exited with 0 +++ [pid 5033] rmdir("./71" [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] <... unlink resumed>) = 0 [pid 5898] +++ exited with 0 +++ [pid 5033] <... rmdir resumed>) = 0 [pid 5030] restart_syscall(<... resuming interrupted clone ...> [pid 5029] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] umount2("./68/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... restart_syscall resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=132, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5033] mkdir("./72", 0777 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5033] <... mkdir resumed>) = 0 [pid 5029] <... openat resumed>) = 3 [pid 5031] lstat("./68/cgroup", [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 142 [pid 5030] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] fstat(3, [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] getdents64(3, [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] <... openat resumed>) = 3 [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] fstat(3, [pid 5029] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] unlink("./68/cgroup" [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5906 attached ./strace-static-x86_64: Process 5905 attached [pid 5031] <... unlink resumed>) = 0 [pid 5030] getdents64(3, [pid 5029] lstat("./66/binderfs", [pid 5906] set_robust_list(0x55555580e6e0, 24 [pid 5905] set_robust_list(0x55555580e6e0, 24 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 146 [pid 5031] getdents64(3, [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5906] <... set_robust_list resumed>) = 0 [pid 5905] <... set_robust_list resumed>) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./66/binderfs" [pid 5906] chdir("./72" [pid 5905] chdir("./70" [pid 5031] close(3 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5906] <... chdir resumed>) = 0 [pid 5905] <... chdir resumed>) = 0 [pid 5031] <... close resumed>) = 0 [pid 5030] lstat("./66/binderfs", [pid 5029] umount2("./66/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5906] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5905] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5031] rmdir("./68" [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5906] <... prctl resumed>) = 0 [pid 5905] <... prctl resumed>) = 0 [pid 5031] <... rmdir resumed>) = 0 [pid 5030] unlink("./66/binderfs" [pid 5029] lstat("./66/cgroup.net", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5906] setpgid(0, 0 [pid 5905] setpgid(0, 0 [pid 5031] mkdir("./69", 0777 [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5906] <... setpgid resumed>) = 0 [pid 5905] <... setpgid resumed>) = 0 [pid 5030] umount2("./66/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./66/cgroup.net" [pid 5906] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5031] <... mkdir resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... openat resumed>) = 3 [pid 5906] <... symlink resumed>) = 0 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] lstat("./66/cgroup.net", [pid 5029] umount2("./66/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5906] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5905] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] fstat(3, [pid 5906] <... symlink resumed>) = 0 [pid 5905] <... symlink resumed>) = 0 [pid 5030] unlink("./66/cgroup.net" [pid 5029] lstat("./66/cgroup.cpu", [pid 5906] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5030] <... 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 5906] <... symlink resumed>) = 0 [pid 5905] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5030] umount2("./66/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./66/cgroup.cpu" [pid 5906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5905] <... symlink resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5028] getdents64(3, ./strace-static-x86_64: Process 5907 attached [pid 5906] <... openat resumed>) = 3 [pid 5905] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5030] lstat("./66/cgroup.cpu", [pid 5029] umount2("./66/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5907] set_robust_list(0x55555580e6e0, 24 [pid 5906] write(3, "1000", 4 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5907] <... set_robust_list resumed>) = 0 [pid 5906] <... write resumed>) = 4 [pid 5030] unlink("./66/cgroup.cpu" [pid 5029] lstat("./66/cgroup", [pid 5907] chdir("./69" [pid 5906] close(3 [pid 5905] <... symlink resumed>) = 0 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 140 [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5907] <... chdir resumed>) = 0 [pid 5906] <... close resumed>) = 0 [pid 5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5030] umount2("./66/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./66/cgroup" [pid 5907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5906] read(200, [pid 5905] <... openat resumed>) = 3 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5028] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5907] <... prctl resumed>) = 0 [pid 5906] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5905] write(3, "1000", 4 [pid 5030] lstat("./66/cgroup", [pid 5029] getdents64(3, [pid 5907] setpgid(0, 0 [pid 5906] symlink("/dev/binderfs", "./binderfs" [pid 5905] <... write resumed>) = 4 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5907] <... setpgid resumed>) = 0 [pid 5906] <... symlink resumed>) = 0 [pid 5905] close(3 [pid 5030] unlink("./66/cgroup" [pid 5029] close(3 [pid 5907] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5906] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... close resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... close resumed>) = 0 [pid 5028] lstat("./65/binderfs", [pid 5907] <... symlink resumed>) = 0 [pid 5906] <... futex resumed>) = 0 [pid 5905] read(200, [pid 5030] getdents64(3, [pid 5029] rmdir("./66" [pid 5907] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5906] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5905] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] <... rmdir resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5907] <... symlink resumed>) = 0 [pid 5906] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5905] symlink("/dev/binderfs", "./binderfs" [pid 5030] close(3 [pid 5029] mkdir("./67", 0777 [pid 5907] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5906] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5905] <... symlink resumed>) = 0 [pid 5030] <... close resumed>) = 0 [pid 5029] <... mkdir resumed>) = 0 [pid 5028] unlink("./65/binderfs" [pid 5907] <... symlink resumed>) = 0 [pid 5906] <... mprotect resumed>) = 0 [pid 5905] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] rmdir("./66" [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5906] 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 5905] <... futex resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5030] <... rmdir resumed>) = 0 [pid 5028] umount2("./65/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5908 attached [pid 5907] <... openat resumed>) = 3 [pid 5905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5030] mkdir("./67", 0777 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5909 attached [pid 5908] set_robust_list(0x7f4e92bc39e0, 24 [pid 5907] write(3, "1000", 4 [pid 5906] <... clone resumed>, parent_tid=[147], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 147 [pid 5905] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5028] lstat("./65/cgroup.net", [pid 5909] set_robust_list(0x55555580e6e0, 24 [pid 5908] <... set_robust_list resumed>) = 0 [pid 5907] <... write resumed>) = 4 [pid 5906] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5030] <... mkdir resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5909] <... set_robust_list resumed>) = 0 [pid 5908] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5907] close(3 [pid 5906] <... futex resumed>) = 0 [pid 5905] <... mprotect resumed>) = 0 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 136 [pid 5028] unlink("./65/cgroup.net" [pid 5909] chdir("./67" [pid 5908] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5907] <... close resumed>) = 0 [pid 5906] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5905] 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 5028] <... unlink resumed>) = 0 [pid 5908] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5028] umount2("./65/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5911 attached ./strace-static-x86_64: Process 5910 attached [pid 5909] <... chdir resumed>) = 0 [pid 5908] <... futex resumed>) = 0 [pid 5907] read(200, [pid 5906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5911] set_robust_list(0x7f4e92bc39e0, 24 [pid 5908] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5028] lstat("./65/cgroup.cpu", [pid 5911] <... set_robust_list resumed>) = 0 [pid 5909] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5907] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5906] close(3 [pid 5905] <... clone resumed>, parent_tid=[143], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 143 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5911] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5910] set_robust_list(0x55555580e6e0, 24 [pid 5909] <... prctl resumed>) = 0 [pid 5907] symlink("/dev/binderfs", "./binderfs" [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 136 [pid 5028] unlink("./65/cgroup.cpu" [pid 5911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5910] <... set_robust_list resumed>) = 0 [pid 5909] setpgid(0, 0 [pid 5907] <... symlink resumed>) = 0 [pid 5906] close(4 [pid 5905] <... futex resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5911] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5910] chdir("./67" [pid 5909] <... setpgid resumed>) = 0 [pid 5907] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5028] umount2("./65/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5911] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5910] <... chdir resumed>) = 0 [pid 5909] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5907] <... futex resumed>) = 0 [pid 5906] close(5 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5911] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5909] <... symlink resumed>) = 0 [pid 5907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] lstat("./65/cgroup", [pid 5911] <... futex resumed>) = 1 [pid 5910] <... prctl resumed>) = 0 [pid 5909] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5907] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5906] close(6 [pid 5905] <... futex resumed>) = 0 [pid 5911] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5910] setpgid(0, 0 [pid 5909] <... symlink resumed>) = 0 [pid 5907] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] close(3 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5910] <... setpgid resumed>) = 0 [pid 5909] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5907] <... mprotect resumed>) = 0 [pid 5906] close(7 [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5909] <... symlink resumed>) = 0 [pid 5907] 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 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] unlink("./65/cgroup"./strace-static-x86_64: Process 5912 attached [pid 5910] <... symlink resumed>) = 0 [pid 5909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5906] close(8 [pid 5905] close(4 [pid 5912] set_robust_list(0x7f4e92bc39e0, 24 [pid 5910] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5909] <... openat resumed>) = 3 [pid 5907] <... clone resumed>, parent_tid=[141], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 141 [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... unlink resumed>) = 0 [pid 5912] <... set_robust_list resumed>) = 0 [pid 5910] <... symlink resumed>) = 0 [pid 5909] write(3, "1000", 4 [pid 5907] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] close(9 [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] getdents64(3, [pid 5912] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5910] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5909] <... write resumed>) = 4 [pid 5907] <... futex resumed>) = 0 [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] close(5 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5912] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5910] <... symlink resumed>) = 0 [pid 5909] close(3 [pid 5907] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5906] close(10 [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(3 [pid 5912] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] close(6 [pid 5028] <... close resumed>) = 0 [pid 5912] <... futex resumed>) = 0 [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] rmdir("./65" [pid 5912] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5909] <... close resumed>) = 0 [pid 5907] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] close(7 [pid 5910] <... openat resumed>) = 3 [pid 5909] read(200, [pid 5907] close(3 [pid 5906] close(11 [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... rmdir resumed>) = 0 [pid 5910] write(3, "1000", 4 [pid 5909] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] close(8 [pid 5028] mkdir("./66", 0777 [pid 5910] <... write resumed>) = 4 [pid 5909] symlink("/dev/binderfs", "./binderfs" [pid 5907] close(4 [pid 5906] close(12 [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] close(3 [pid 5909] <... symlink resumed>) = 0 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... mkdir resumed>) = 0 [pid 5910] <... close resumed>) = 0 [pid 5909] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] close(5 [pid 5906] close(13 [pid 5905] close(9 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5913 attached [pid 5910] read(200, [pid 5909] <... futex resumed>) = 0 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5913] set_robust_list(0x55555580e6e0, 24 [pid 5910] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5907] close(6 [pid 5906] close(14 [pid 5905] close(10 [pid 5913] <... set_robust_list resumed>) = 0 [pid 5910] symlink("/dev/binderfs", "./binderfs" [pid 5909] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 134 [pid 5913] chdir("./66" [pid 5910] <... symlink resumed>) = 0 [pid 5905] close(11 [pid 5910] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5907] close(7 [pid 5906] close(15 [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5913] <... chdir resumed>) = 0 [pid 5910] <... futex resumed>) = 0 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] close(12 [pid 5913] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5910] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5909] <... mprotect resumed>) = 0 [pid 5907] close(8 [pid 5906] close(16 [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5913] <... prctl resumed>) = 0 [pid 5910] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5909] 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 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] close(13 [pid 5913] setpgid(0, 0 [pid 5907] close(9 [pid 5906] close(17 [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5914 attached [pid 5913] <... setpgid resumed>) = 0 [pid 5910] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] close(14 [pid 5914] set_robust_list(0x7f4e92bc39e0, 24 [pid 5913] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5907] close(10 [pid 5906] close(18 [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5914] <... set_robust_list resumed>) = 0 [pid 5910] <... mprotect resumed>) = 0 [pid 5909] <... clone resumed>, parent_tid=[137], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 137 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] close(15 [pid 5914] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] <... symlink resumed>) = 0 [pid 5910] 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 5909] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] close(11 [pid 5906] close(19 [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5913] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5905] close(16./strace-static-x86_64: Process 5915 attached [pid 5914] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5913] <... symlink resumed>) = 0 [pid 5909] <... futex resumed>) = 0 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] set_robust_list(0x7f4e92bc39e0, 24 [pid 5914] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5913] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5909] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5907] close(12 [pid 5905] close(17 [pid 5915] <... set_robust_list resumed>) = 0 [pid 5914] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5914] <... futex resumed>) = 0 [pid 5909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] close(20 [pid 5905] close(18 [pid 5914] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] close(19) = -1 EBADF (Bad file descriptor) [pid 5905] close(20 [pid 5909] close(3 [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5913] <... symlink resumed>) = 0 [pid 5910] <... clone resumed>, parent_tid=[137], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 137 [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] close(13 [pid 5906] close(21 [pid 5905] close(21 [pid 5913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5910] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] close(4 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... futex resumed>) = 0 [pid 5913] <... openat resumed>) = 3 [pid 5910] <... futex resumed>) = 1 [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] close(14 [pid 5906] close(22 [pid 5905] close(22 [pid 5915] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5910] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5913] write(3, "1000", 4 [pid 5909] close(5 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] close(23 [pid 5915] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] <... write resumed>) = 4 [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] close(15 [pid 5906] close(23 [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5915] <... futex resumed>) = 1 [pid 5913] close(3 [pid 5910] <... futex resumed>) = 0 [pid 5909] close(6 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] close(24 [pid 5915] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] <... close resumed>) = 0 [pid 5910] close(3 [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] close(16 [pid 5906] close(24 [pid 5913] read(200, [pid 5910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] close(7 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5913] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] close(17 [pid 5906] close(25 [pid 5913] symlink("/dev/binderfs", "./binderfs" [pid 5909] close(8 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5913] <... symlink resumed>) = 0 [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] close(18 [pid 5906] close(26 [pid 5913] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] close(4 [pid 5909] close(9 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] close(25 [pid 5913] <... futex resumed>) = 0 [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] close(19 [pid 5906] close(27 [pid 5913] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5910] close(5 [pid 5909] close(10 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5913] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] close(20 [pid 5906] close(28 [pid 5905] close(26 [pid 5913] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5909] close(11 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5913] <... mprotect resumed>) = 0 [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] close(21 [pid 5906] close(29 [pid 5913] 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 5909] close(12 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5916 attached [pid 5910] close(6 [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] close(22 [pid 5906] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5916] set_robust_list(0x7f4e92bc39e0, 24 [pid 5910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5916] <... set_robust_list resumed>) = 0 [pid 5913] <... clone resumed>, parent_tid=[135], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 135 [pid 5910] close(7 [pid 5909] close(13 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... write resumed>) = 335 [pid 5905] close(27 [pid 5916] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] close(23 [pid 5906] exit_group(0 [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5913] <... futex resumed>) = 0 [pid 5910] close(8 [pid 5909] close(14 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5906] <... exit_group resumed>) = ? [pid 5905] close(28 [pid 5916] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5913] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5908] <... futex resumed>) = ? [pid 5907] close(24 [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5916] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5910] close(9 [pid 5909] close(15 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] close(29 [pid 5916] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] close(25 [pid 5905] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5916] <... futex resumed>) = 1 [pid 5913] <... futex resumed>) = 0 [pid 5910] close(10 [pid 5909] close(16write 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 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5916] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] close(3 [pid 5910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5908] +++ exited with 0 +++ [pid 5907] close(26 [pid 5906] +++ exited with 0 +++ [pid 5905] <... write resumed>) = 335 [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] close(11 [pid 5909] close(17 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5905] exit_group(0 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=146, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5913] close(4 [pid 5911] <... futex resumed>) = ? [pid 5910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] close(27 [pid 5905] <... exit_group resumed>) = ? [pid 5033] restart_syscall(<... resuming interrupted clone ...> [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5911] +++ exited with 0 +++ [pid 5910] close(12 [pid 5913] close(5 [pid 5910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] close(13 [pid 5913] close(6 [pid 5910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] close(18 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... restart_syscall resumed>) = 0 [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] close(14 [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] close(28 [pid 5905] +++ exited with 0 +++ [pid 5913] close(7 [pid 5910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] close(19 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=142, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] close(29 [pid 5033] umount2("./72", 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] restart_syscall(<... resuming interrupted clone ...> [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] close(15 [pid 5909] close(20 [pid 5907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... restart_syscall resumed>) = 0 [pid 5913] close(8 [pid 5910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] close(16 [pid 5909] close(21 [pid 5907] <... write resumed>) = 335 [pid 5033] <... openat resumed>) = 3 [pid 5913] close(9 [pid 5910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] exit_group(0 [pid 5033] fstat(3, [pid 5032] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5912] <... futex resumed>) = ? [pid 5910] close(17 [pid 5909] close(22 [pid 5907] <... exit_group resumed>) = ? [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5913] close(10 [pid 5912] +++ exited with 0 +++ [pid 5910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5032] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] close(18 [pid 5909] close(23 [pid 5907] +++ exited with 0 +++ [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] <... openat resumed>) = 3 [pid 5913] close(11 [pid 5910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] fstat(3, [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=140, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] close(19 [pid 5909] close(24 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5913] close(12 [pid 5910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./72/binderfs", [pid 5032] getdents64(3, [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] close(20 [pid 5909] close(25 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5913] close(13 [pid 5910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./72/binderfs" [pid 5032] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] close(21 [pid 5909] close(26 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5913] close(14 [pid 5910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./72/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] lstat("./70/binderfs", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] close(22 [pid 5909] close(27 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5913] close(15 [pid 5910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./72/cgroup.net", [pid 5032] unlink("./70/binderfs" [pid 5031] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] close(23 [pid 5909] close(28 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5913] close(16 [pid 5910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./72/cgroup.net" [pid 5032] umount2("./70/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] close(24 [pid 5909] close(29 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... openat resumed>) = 3 [pid 5913] close(17 [pid 5910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./72/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] lstat("./70/cgroup.net", [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] close(25 [pid 5909] 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 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] fstat(3, [pid 5913] close(18 [pid 5910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... write resumed>) = 335 [pid 5033] lstat("./72/cgroup.cpu", [pid 5032] unlink("./70/cgroup.net" [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] close(26 [pid 5909] exit_group(0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5914] <... futex resumed>) = ? [pid 5913] close(19 [pid 5910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... exit_group resumed>) = ? [pid 5033] unlink("./72/cgroup.cpu" [pid 5032] umount2("./70/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] getdents64(3, [pid 5914] +++ exited with 0 +++ [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] close(27 [pid 5909] +++ exited with 0 +++ [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5913] close(20 [pid 5910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./72/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] lstat("./70/cgroup.cpu", [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=136, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] close(28 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5913] close(21 [pid 5910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./72/cgroup", [pid 5032] unlink("./70/cgroup.cpu" [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] close(29 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5029] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5913] close(22 [pid 5910] <... 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 5033] unlink("./72/cgroup" [pid 5032] umount2("./70/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] lstat("./69/binderfs", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5913] close(23 [pid 5910] <... write resumed>) = 335 [pid 5033] getdents64(3, [pid 5032] lstat("./70/cgroup", [pid 5029] <... openat resumed>) = 3 [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] exit_group(0 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] fstat(3, [pid 5915] <... futex resumed>) = ? [pid 5913] close(24 [pid 5910] <... exit_group resumed>) = ? [pid 5033] close(3 [pid 5032] unlink("./70/cgroup" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5915] +++ exited with 0 +++ [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] +++ exited with 0 +++ [pid 5033] <... close resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5031] unlink("./69/binderfs" [pid 5029] getdents64(3, [pid 5913] close(25 [pid 5033] rmdir("./72" [pid 5032] getdents64(3, [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... rmdir resumed>) = 0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] umount2("./69/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=136, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5029] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5913] close(26 [pid 5033] mkdir("./73", 0777 [pid 5032] close(3 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... mkdir resumed>) = 0 [pid 5032] <... close resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./67/binderfs", [pid 5913] close(27 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5032] rmdir("./70" [pid 5031] lstat("./69/cgroup.net", [pid 5030] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 5917 attached [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... rmdir resumed>) = 0 [pid 5030] <... openat resumed>) = 3 [pid 5029] unlink("./67/binderfs" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5917] set_robust_list(0x55555580e6e0, 24 [pid 5913] close(28 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 148 [pid 5032] mkdir("./71", 0777 [pid 5031] unlink("./69/cgroup.net" [pid 5030] fstat(3, [pid 5029] <... unlink resumed>) = 0 [pid 5917] <... set_robust_list resumed>) = 0 [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... mkdir resumed>) = 0 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] umount2("./67/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5917] chdir("./73" [pid 5913] close(29 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] <... unlink resumed>) = 0 [pid 5030] getdents64(3, [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5918 attached [pid 5917] <... chdir resumed>) = 0 [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] lstat("./67/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 5918] set_robust_list(0x55555580e6e0, 24 [pid 5917] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5913] 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) = 144 [pid 5031] umount2("./69/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5918] <... set_robust_list resumed>) = 0 [pid 5917] <... prctl resumed>) = 0 [pid 5913] <... write resumed>) = 335 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./67/cgroup.net" [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5918] chdir("./71" [pid 5917] setpgid(0, 0 [pid 5913] exit_group(0 [pid 5030] lstat("./67/binderfs", [pid 5029] <... unlink resumed>) = 0 [pid 5918] <... chdir resumed>) = 0 [pid 5917] <... setpgid resumed>) = 0 [pid 5916] <... futex resumed>) = ? [pid 5913] <... exit_group resumed>) = ? [pid 5031] lstat("./69/cgroup.cpu", [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] umount2("./67/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5918] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5917] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5030] unlink("./67/binderfs" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... unlink resumed>) = 0 [pid 5029] lstat("./67/cgroup.cpu", [pid 5030] umount2("./67/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5918] <... prctl resumed>) = 0 [pid 5917] <... symlink resumed>) = 0 [pid 5916] +++ exited with 0 +++ [pid 5913] +++ exited with 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("./67/cgroup.cpu" [pid 5918] setpgid(0, 0 [pid 5917] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5031] unlink("./69/cgroup.cpu" [pid 5030] lstat("./67/cgroup.net", [pid 5029] <... unlink resumed>) = 0 [pid 5918] <... setpgid resumed>) = 0 [pid 5917] <... symlink resumed>) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=134, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5918] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5917] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5031] umount2("./69/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] umount2("./67/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5918] <... symlink resumed>) = 0 [pid 5917] <... symlink resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5918] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5031] lstat("./69/cgroup", [pid 5030] unlink("./67/cgroup.net" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5918] <... symlink resumed>) = 0 [pid 5917] <... openat resumed>) = 3 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5029] lstat("./67/cgroup", [pid 5918] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5917] write(3, "1000", 4 [pid 5031] unlink("./69/cgroup" [pid 5030] umount2("./67/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5918] <... symlink resumed>) = 0 [pid 5917] <... write resumed>) = 4 [pid 5031] <... unlink resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./67/cgroup" [pid 5918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5917] close(3 [pid 5031] getdents64(3, [pid 5030] lstat("./67/cgroup.cpu", [pid 5029] <... unlink resumed>) = 0 [pid 5918] <... openat resumed>) = 3 [pid 5917] <... close resumed>) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] getdents64(3, [pid 5918] write(3, "1000", 4 [pid 5917] read(200, [pid 5031] close(3 [pid 5030] unlink("./67/cgroup.cpu" [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5918] <... write resumed>) = 4 [pid 5917] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5031] <... close resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5029] close(3 [pid 5918] close(3 [pid 5917] symlink("/dev/binderfs", "./binderfs" [pid 5030] umount2("./67/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... close resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5918] <... close resumed>) = 0 [pid 5917] <... symlink resumed>) = 0 [pid 5031] rmdir("./69" [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] rmdir("./67" [pid 5918] read(200, [pid 5917] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] lstat("./67/cgroup", [pid 5029] <... rmdir resumed>) = 0 [pid 5028] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5918] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5917] <... futex resumed>) = 0 [pid 5031] <... rmdir resumed>) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] mkdir("./68", 0777 [pid 5918] symlink("/dev/binderfs", "./binderfs" [pid 5917] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5031] mkdir("./70", 0777 [pid 5030] unlink("./67/cgroup" [pid 5029] <... mkdir resumed>) = 0 [pid 5028] <... openat resumed>) = 3 [pid 5918] <... symlink resumed>) = 0 [pid 5917] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5031] <... mkdir resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5918] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] getdents64(3, [pid 5028] fstat(3, ./strace-static-x86_64: Process 5920 attached ./strace-static-x86_64: Process 5919 attached [pid 5918] <... futex resumed>) = 0 [pid 5917] <... mprotect resumed>) = 0 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5920] set_robust_list(0x55555580e6e0, 24 [pid 5919] set_robust_list(0x55555580e6e0, 24 [pid 5918] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5917] 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 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 142 [pid 5030] close(3 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 138 [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 ./strace-static-x86_64: Process 5921 attached [pid 5920] <... set_robust_list resumed>) = 0 [pid 5919] <... set_robust_list resumed>) = 0 [pid 5918] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5030] <... close resumed>) = 0 [pid 5921] set_robust_list(0x7f4e92bc39e0, 24 [pid 5920] chdir("./70" [pid 5919] chdir("./68" [pid 5918] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5917] <... clone resumed>, parent_tid=[149], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 149 [pid 5030] rmdir("./67" [pid 5028] getdents64(3, [pid 5921] <... set_robust_list resumed>) = 0 [pid 5920] <... chdir resumed>) = 0 [pid 5919] <... chdir resumed>) = 0 [pid 5918] <... mprotect resumed>) = 0 [pid 5917] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] <... rmdir resumed>) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5921] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5920] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5919] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5918] 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 5917] <... futex resumed>) = 0 [pid 5030] mkdir("./68", 0777 [pid 5028] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5922 attached [pid 5921] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5920] <... prctl resumed>) = 0 [pid 5919] <... prctl resumed>) = 0 [pid 5917] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5030] <... mkdir resumed>) = 0 [pid 5921] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] set_robust_list(0x7f4e92bc39e0, 24 [pid 5920] setpgid(0, 0 [pid 5919] setpgid(0, 0 [pid 5918] <... clone resumed>, parent_tid=[145], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 145 [pid 5917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [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 5923 attached [pid 5922] <... set_robust_list resumed>) = 0 [pid 5921] <... futex resumed>) = 0 [pid 5920] <... setpgid resumed>) = 0 [pid 5919] <... setpgid resumed>) = 0 [pid 5918] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] close(3 [pid 5922] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5921] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5920] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5919] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5918] <... futex resumed>) = 0 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 138 [pid 5028] lstat("./66/binderfs", [pid 5923] set_robust_list(0x55555580e6e0, 24 [pid 5922] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5920] <... symlink resumed>) = 0 [pid 5919] <... symlink resumed>) = 0 [pid 5918] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5917] close(4 [pid 5923] <... set_robust_list resumed>) = 0 [pid 5922] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5919] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5923] chdir("./68" [pid 5922] <... futex resumed>) = 0 [pid 5920] <... symlink resumed>) = 0 [pid 5918] close(3 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] <... chdir resumed>) = 0 [pid 5920] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5919] <... symlink resumed>) = 0 [pid 5923] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5922] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5919] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] close(5 [pid 5028] unlink("./66/binderfs" [pid 5923] <... prctl resumed>) = 0 [pid 5920] <... symlink resumed>) = 0 [pid 5919] <... symlink resumed>) = 0 [pid 5918] close(4 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] setpgid(0, 0 [pid 5919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5028] <... unlink resumed>) = 0 [pid 5923] <... setpgid resumed>) = 0 [pid 5920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5919] <... openat resumed>) = 3 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] close(6 [pid 5923] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5920] <... openat resumed>) = 3 [pid 5919] write(3, "1000", 4 [pid 5918] close(5 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] umount2("./66/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5923] <... symlink resumed>) = 0 [pid 5920] write(3, "1000", 4 [pid 5919] <... write resumed>) = 4 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] close(7 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5923] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5920] <... write resumed>) = 4 [pid 5919] close(3 [pid 5918] close(6 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] lstat("./66/cgroup.net", [pid 5923] <... symlink resumed>) = 0 [pid 5920] close(3 [pid 5919] <... close resumed>) = 0 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] close(8 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5923] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5920] <... close resumed>) = 0 [pid 5919] read(200, [pid 5918] close(7 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] unlink("./66/cgroup.net" [pid 5923] <... symlink resumed>) = 0 [pid 5920] read(200, [pid 5919] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] close(9 [pid 5028] <... unlink resumed>) = 0 [pid 5923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5920] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5919] symlink("/dev/binderfs", "./binderfs" [pid 5918] close(8 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] <... openat resumed>) = 3 [pid 5920] symlink("/dev/binderfs", "./binderfs" [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] close(10 [pid 5028] umount2("./66/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5923] write(3, "1000", 4 [pid 5920] <... symlink resumed>) = 0 [pid 5919] <... symlink resumed>) = 0 [pid 5918] close(9 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5920] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] close(11 [pid 5028] lstat("./66/cgroup.cpu", [pid 5920] <... futex resumed>) = 0 [pid 5918] close(10 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5920] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] close(12 [pid 5028] unlink("./66/cgroup.cpu" [pid 5923] <... write resumed>) = 4 [pid 5920] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5919] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] close(11 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... unlink resumed>) = 0 [pid 5923] close(3 [pid 5920] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5919] <... futex resumed>) = 0 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] close(13 [pid 5028] umount2("./66/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5923] <... close resumed>) = 0 [pid 5920] <... mprotect resumed>) = 0 [pid 5919] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5918] close(12 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] read(200, [pid 5920] 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 5919] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] close(14 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5924 attached [pid 5923] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5919] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5918] close(13 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] lstat("./66/cgroup", [pid 5924] set_robust_list(0x7f4e92bc39e0, 24 [pid 5923] symlink("/dev/binderfs", "./binderfs" [pid 5920] <... clone resumed>, parent_tid=[143], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 143 [pid 5919] <... mprotect resumed>) = 0 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] close(15 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5924] <... set_robust_list resumed>) = 0 [pid 5923] <... symlink resumed>) = 0 [pid 5920] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] close(14 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] 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 5028] unlink("./66/cgroup"./strace-static-x86_64: Process 5925 attached [pid 5924] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5923] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] <... futex resumed>) = 0 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] close(16 [pid 5028] <... unlink resumed>) = 0 [pid 5925] set_robust_list(0x7f4e92bc39e0, 24 [pid 5924] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5923] <... futex resumed>) = 0 [pid 5920] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5919] <... clone resumed>, parent_tid=[139], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 139 [pid 5918] close(15 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] getdents64(3, [pid 5924] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] close(17 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5924] <... futex resumed>) = 0 [pid 5920] close(3 [pid 5918] close(16 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(3 [pid 5924] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] close(18 [pid 5028] <... close resumed>) = 0 [pid 5920] close(4 [pid 5918] close(17 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] rmdir("./66" [pid 5925] <... set_robust_list resumed>) = 0 [pid 5923] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] close(19 [pid 5028] <... rmdir resumed>) = 0 [pid 5925] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5923] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5920] close(5 [pid 5919] <... futex resumed>) = 0 [pid 5918] close(18 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] mkdir("./67", 0777 [pid 5925] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5923] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] close(20 [pid 5028] <... mkdir resumed>) = 0 [pid 5925] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... mprotect resumed>) = 0 [pid 5920] close(6 [pid 5918] close(19 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5925] <... futex resumed>) = 1 [pid 5923] 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 5920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] <... futex resumed>) = 0 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] close(21./strace-static-x86_64: Process 5927 attached ./strace-static-x86_64: Process 5926 attached [pid 5925] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5920] close(7 [pid 5919] close(3 [pid 5918] close(20 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5927] set_robust_list(0x7f4e92bc39e0, 24 [pid 5926] set_robust_list(0x55555580e6e0, 24 [pid 5920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] close(22 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 136 [pid 5927] <... set_robust_list resumed>) = 0 [pid 5926] <... set_robust_list resumed>) = 0 [pid 5923] <... clone resumed>, parent_tid=[139], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 139 [pid 5920] close(8 [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5918] close(21 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5927] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5926] chdir("./67" [pid 5923] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] close(4 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] close(23 [pid 5927] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5926] <... chdir resumed>) = 0 [pid 5923] <... futex resumed>) = 0 [pid 5920] close(9 [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5918] close(22 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5927] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5923] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] close(5 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] close(24 [pid 5927] <... futex resumed>) = 0 [pid 5926] <... prctl resumed>) = 0 [pid 5923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5920] close(10 [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5918] close(23 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5927] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5926] setpgid(0, 0 [pid 5923] close(3 [pid 5920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] close(6 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] close(25 [pid 5926] <... setpgid resumed>) = 0 [pid 5920] close(11 [pid 5918] close(24 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] close(26 [pid 5926] <... symlink resumed>) = 0 [pid 5923] close(4 [pid 5920] close(12 [pid 5919] close(7 [pid 5918] close(25 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] close(27 [pid 5926] <... symlink resumed>) = 0 [pid 5920] close(13 [pid 5918] close(26 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] close(5 [pid 5919] close(8 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] close(28 [pid 5926] <... symlink resumed>) = 0 [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5920] close(14 [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5918] close(27 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5923] close(6 [pid 5920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] close(9 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] close(29 [pid 5926] <... openat resumed>) = 3 [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5920] close(15 [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5918] close(28 [pid 5917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] write(3, "1000", 4 [pid 5923] close(7 [pid 5920] <... 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 5919] close(10 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5926] <... write resumed>) = 4 [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5920] close(16 [pid 5918] close(29 [pid 5917] <... write resumed>) = 335 [pid 5926] close(3 [pid 5920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5917] exit_group(0 [pid 5926] <... close resumed>) = 0 [pid 5923] close(8 [pid 5921] <... futex resumed>) = ? [pid 5920] close(17 [pid 5918] 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 5917] <... exit_group resumed>) = ? [pid 5926] read(200, [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5921] +++ exited with 0 +++ [pid 5920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] close(11 [pid 5918] <... write resumed>) = 335 [pid 5917] +++ exited with 0 +++ [pid 5926] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5920] close(18 [pid 5918] exit_group(0 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=148, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5926] symlink("/dev/binderfs", "./binderfs" [pid 5923] close(9 [pid 5922] <... futex resumed>) = ? [pid 5920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5918] <... exit_group resumed>) = ? [pid 5926] <... symlink resumed>) = 0 [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5922] +++ exited with 0 +++ [pid 5920] close(19 [pid 5919] close(12 [pid 5918] +++ exited with 0 +++ [pid 5926] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] close(10 [pid 5920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=144, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5926] <... futex resumed>) = 0 [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5920] close(20 [pid 5919] close(13 [pid 5926] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5923] close(11 [pid 5920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5920] close(21 [pid 5919] close(14 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5926] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5926] <... mprotect resumed>) = 0 [pid 5923] close(12 [pid 5920] close(22 [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... openat resumed>) = 3 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5926] 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 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 5032] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5928 attached [pid 5923] close(13 [pid 5920] close(23 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] <... openat resumed>) = 3 [pid 5928] set_robust_list(0x7f4e92bc39e0, 24 [pid 5926] <... clone resumed>, parent_tid=[137], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 137 [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5032] fstat(3, [pid 5928] <... set_robust_list resumed>) = 0 [pid 5926] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] close(14 [pid 5920] close(24 [pid 5919] close(15 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5928] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5926] <... futex resumed>) = 0 [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] getdents64(3, [pid 5928] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5926] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5923] close(15 [pid 5920] close(25 [pid 5919] close(16 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5928] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./73/binderfs", [pid 5032] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5928] <... futex resumed>) = 0 [pid 5926] close(3 [pid 5923] close(16 [pid 5920] close(26 [pid 5919] close(17 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5928] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./73/binderfs" [pid 5032] lstat("./71/binderfs", [pid 5926] close(4 [pid 5923] close(17 [pid 5920] close(27 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./73/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] unlink("./71/binderfs" [pid 5926] close(5 [pid 5923] close(18 [pid 5920] close(28 [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... unlink resumed>) = 0 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./73/cgroup.net", [pid 5032] umount2("./71/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5919] close(18 [pid 5926] close(6 [pid 5923] close(19 [pid 5920] close(29 [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [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 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] close(19 [pid 5033] unlink("./73/cgroup.net" [pid 5032] lstat("./71/cgroup.net", [pid 5926] close(7 [pid 5923] close(20 [pid 5920] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5920] <... write resumed>) = 335 [pid 5033] umount2("./73/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] unlink("./71/cgroup.net" [pid 5926] close(8 [pid 5923] close(21 [pid 5920] exit_group(0 [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... unlink resumed>) = 0 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] <... futex resumed>) = ? [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5920] <... exit_group resumed>) = ? [pid 5919] close(20 [pid 5033] lstat("./73/cgroup.cpu", [pid 5032] umount2("./71/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5926] close(9 [pid 5924] +++ exited with 0 +++ [pid 5923] close(22 [pid 5920] +++ exited with 0 +++ [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] close(21 [pid 5033] unlink("./73/cgroup.cpu" [pid 5032] lstat("./71/cgroup.cpu", [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=142, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5926] close(10 [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] close(23 [pid 5919] close(22 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] close(23) = -1 EBADF (Bad file descriptor) [pid 5926] close(11 [pid 5919] close(24 [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./71/cgroup.cpu" [pid 5033] umount2("./73/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] close(24 [pid 5919] close(25) = -1 EBADF (Bad file descriptor) [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] close(26) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5926] close(12 [pid 5923] close(25 [pid 5919] close(27 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./71/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5919] close(28 [pid 5926] close(13 [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./73/cgroup", [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] close(26 [pid 5919] close(29 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./70", 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 5926] close(14 [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] lstat("./71/cgroup", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5926] close(15 [pid 5923] close(27 [pid 5919] <... write resumed>) = 335 [pid 5033] unlink("./73/cgroup" [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] exit_group(0 [pid 5031] <... openat resumed>) = 3 [pid 5926] close(16 [pid 5925] <... futex resumed>) = ? [pid 5923] close(28 [pid 5919] <... exit_group resumed>) = ? [pid 5033] <... unlink resumed>) = 0 [pid 5032] unlink("./71/cgroup" [pid 5031] fstat(3, [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5925] +++ exited with 0 +++ [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5926] close(17 [pid 5923] close(29 [pid 5919] +++ exited with 0 +++ [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] getdents64(3, [pid 5031] getdents64(3, [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=138, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- 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 5926] close(18 [pid 5923] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] <... close resumed>) = 0 [pid 5032] close(3 [pid 5031] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] <... write resumed>) = 335 [pid 5033] rmdir("./73" [pid 5032] <... close resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5926] close(19 [pid 5923] exit_group(0 [pid 5033] <... rmdir resumed>) = 0 [pid 5032] rmdir("./71" [pid 5031] lstat("./70/binderfs", [pid 5927] <... futex resumed>) = ? [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] <... exit_group resumed>) = ? [pid 5033] mkdir("./74", 0777 [pid 5032] <... rmdir resumed>) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5927] +++ exited with 0 +++ [pid 5926] close(20 [pid 5033] <... mkdir resumed>) = 0 [pid 5032] mkdir("./72", 0777 [pid 5031] unlink("./70/binderfs" [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... mkdir resumed>) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5926] close(21 [pid 5031] umount2("./70/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5926] close(22 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5923] +++ exited with 0 +++ ./strace-static-x86_64: Process 5929 attached [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./70/cgroup.net", [pid 5029] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5929] set_robust_list(0x55555580e6e0, 24 [pid 5926] close(23 [pid 5929] <... set_robust_list resumed>) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5930 attached [pid 5929] chdir("./72" [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 146 [pid 5031] unlink("./70/cgroup.net" [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=138, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5029] fstat(3, [pid 5929] <... chdir resumed>) = 0 [pid 5926] close(24 [pid 5929] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5929] setpgid(0, 0) = 0 [pid 5929] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5929] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5031] <... unlink resumed>) = 0 [pid 5929] <... symlink resumed>) = 0 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 150 [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5929] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5926] close(25 [pid 5031] umount2("./70/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5930] set_robust_list(0x55555580e6e0, 24 [pid 5929] <... symlink resumed>) = 0 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] getdents64(3, [pid 5930] <... set_robust_list resumed>) = 0 [pid 5929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5926] close(26 [pid 5031] lstat("./70/cgroup.cpu", [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5930] chdir("./74" [pid 5929] <... openat resumed>) = 3 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5930] <... chdir resumed>) = 0 [pid 5929] write(3, "1000", 4 [pid 5926] close(27 [pid 5031] unlink("./70/cgroup.cpu" [pid 5030] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5930] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5929] <... write resumed>) = 4 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./68/binderfs", [pid 5930] <... prctl resumed>) = 0 [pid 5929] close(3 [pid 5926] close(28 [pid 5031] umount2("./70/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5930] setpgid(0, 0 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... openat resumed>) = 3 [pid 5029] unlink("./68/binderfs" [pid 5930] <... setpgid resumed>) = 0 [pid 5929] <... close resumed>) = 0 [pid 5926] close(29 [pid 5031] lstat("./70/cgroup", [pid 5030] fstat(3, [pid 5029] <... unlink resumed>) = 0 [pid 5930] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5929] read(200, [pid 5926] <... 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] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5930] <... symlink resumed>) = 0 [pid 5929] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5926] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] unlink("./70/cgroup" [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] umount2("./68/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5930] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5929] symlink("/dev/binderfs", "./binderfs" [pid 5926] <... write resumed>) = 335 [pid 5031] <... unlink resumed>) = 0 [pid 5030] getdents64(3, [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5930] <... symlink resumed>) = 0 [pid 5929] <... symlink resumed>) = 0 [pid 5926] exit_group(0 [pid 5031] getdents64(3, [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] lstat("./68/cgroup.net", [pid 5930] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5929] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] <... futex resumed>) = ? [pid 5926] <... exit_group resumed>) = ? [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5930] <... symlink resumed>) = 0 [pid 5929] <... futex resumed>) = 0 [pid 5928] +++ exited with 0 +++ [pid 5031] close(3 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./68/cgroup.net" [pid 5930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5929] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5926] +++ exited with 0 +++ [pid 5031] <... close resumed>) = 0 [pid 5030] lstat("./68/binderfs", [pid 5029] <... unlink resumed>) = 0 [pid 5930] <... openat resumed>) = 3 [pid 5929] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5031] rmdir("./70" [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] umount2("./68/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=136, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5930] write(3, "1000", 4 [pid 5929] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5031] <... rmdir resumed>) = 0 [pid 5030] unlink("./68/binderfs" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5930] <... write resumed>) = 4 [pid 5929] <... mprotect resumed>) = 0 [pid 5031] mkdir("./71", 0777 [pid 5030] <... unlink resumed>) = 0 [pid 5029] lstat("./68/cgroup.cpu", [pid 5930] close(3 [pid 5929] 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 5031] <... mkdir resumed>) = 0 [pid 5030] umount2("./68/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5931 attached [pid 5930] <... close resumed>) = 0 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./68/cgroup.cpu" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5932 attached [pid 5931] set_robust_list(0x7f4e92bc39e0, 24 [pid 5930] read(200, [pid 5929] <... clone resumed>, parent_tid=[147], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 147 [pid 5030] lstat("./68/cgroup.net", [pid 5029] <... unlink resumed>) = 0 [pid 5028] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5932] set_robust_list(0x55555580e6e0, 24 [pid 5931] <... set_robust_list resumed>) = 0 [pid 5930] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5929] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 144 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] umount2("./68/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... openat resumed>) = 3 [pid 5932] <... set_robust_list resumed>) = 0 [pid 5931] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5930] symlink("/dev/binderfs", "./binderfs" [pid 5929] <... futex resumed>) = 0 [pid 5030] unlink("./68/cgroup.net" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] fstat(3, [pid 5932] chdir("./71" [pid 5931] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5930] <... symlink resumed>) = 0 [pid 5929] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5030] <... unlink resumed>) = 0 [pid 5029] lstat("./68/cgroup", [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5932] <... chdir resumed>) = 0 [pid 5931] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5030] umount2("./68/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] getdents64(3, [pid 5932] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5931] <... futex resumed>) = 0 [pid 5930] <... futex resumed>) = 0 [pid 5929] close(3 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./68/cgroup" [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5932] <... prctl resumed>) = 0 [pid 5931] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5930] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./68/cgroup.cpu", [pid 5029] <... unlink resumed>) = 0 [pid 5028] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5932] setpgid(0, 0 [pid 5930] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5929] close(4 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] getdents64(3, [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5932] <... setpgid resumed>) = 0 [pid 5930] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./68/cgroup.cpu" [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] lstat("./67/binderfs", [pid 5932] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5930] <... mprotect resumed>) = 0 [pid 5929] close(5 [pid 5030] <... unlink resumed>) = 0 [pid 5029] close(3 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5932] <... symlink resumed>) = 0 [pid 5930] 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 5929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./68/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... close resumed>) = 0 [pid 5028] unlink("./67/binderfs"./strace-static-x86_64: Process 5933 attached [pid 5932] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5929] close(6 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] rmdir("./68" [pid 5028] <... unlink resumed>) = 0 [pid 5933] set_robust_list(0x7f4e92bc39e0, 24 [pid 5932] <... symlink resumed>) = 0 [pid 5930] <... clone resumed>, parent_tid=[151], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 151 [pid 5929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./68/cgroup", [pid 5029] <... rmdir resumed>) = 0 [pid 5028] umount2("./67/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5933] <... set_robust_list resumed>) = 0 [pid 5932] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5930] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] close(7 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] mkdir("./69", 0777 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5933] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5932] <... symlink resumed>) = 0 [pid 5930] <... futex resumed>) = 0 [pid 5929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./68/cgroup" [pid 5029] <... mkdir resumed>) = 0 [pid 5028] lstat("./67/cgroup.net", [pid 5933] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5930] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5929] close(8 [pid 5030] <... unlink resumed>) = 0 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5934 attached [pid 5933] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... openat resumed>) = 3 [pid 5930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] getdents64(3, [pid 5028] unlink("./67/cgroup.net" [pid 5934] set_robust_list(0x55555580e6e0, 24 [pid 5933] <... futex resumed>) = 0 [pid 5932] write(3, "1000", 4 [pid 5930] close(3 [pid 5929] close(9 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5934] <... set_robust_list resumed>) = 0 [pid 5933] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5932] <... write resumed>) = 4 [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] close(3 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 140 [pid 5028] <... unlink resumed>) = 0 [pid 5934] chdir("./69" [pid 5932] close(3 [pid 5930] close(4 [pid 5929] close(10 [pid 5030] <... close resumed>) = 0 [pid 5028] umount2("./67/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5934] <... chdir resumed>) = 0 [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] <... close resumed>) = 0 [pid 5030] rmdir("./68" [pid 5929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5934] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5932] read(200, [pid 5930] close(5 [pid 5929] close(11 [pid 5030] <... rmdir resumed>) = 0 [pid 5028] lstat("./67/cgroup.cpu", [pid 5934] <... prctl resumed>) = 0 [pid 5932] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] mkdir("./69", 0777 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5934] setpgid(0, 0 [pid 5932] symlink("/dev/binderfs", "./binderfs" [pid 5930] close(6 [pid 5929] close(12 [pid 5030] <... mkdir resumed>) = 0 [pid 5028] unlink("./67/cgroup.cpu" [pid 5934] <... setpgid resumed>) = 0 [pid 5932] <... symlink resumed>) = 0 [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5935 attached [pid 5934] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5932] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] close(7 [pid 5929] close(13 [pid 5028] umount2("./67/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5935] set_robust_list(0x55555580e6e0, 24 [pid 5934] <... symlink resumed>) = 0 [pid 5932] <... futex resumed>) = 0 [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 140 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5935] <... set_robust_list resumed>) = 0 [pid 5934] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5932] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5930] close(8 [pid 5929] close(14 [pid 5028] lstat("./67/cgroup", [pid 5935] chdir("./69" [pid 5934] <... symlink resumed>) = 0 [pid 5932] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5935] <... chdir resumed>) = 0 [pid 5934] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5932] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5930] close(9 [pid 5929] close(15 [pid 5028] unlink("./67/cgroup" [pid 5935] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5934] <... symlink resumed>) = 0 [pid 5932] <... mprotect resumed>) = 0 [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... unlink resumed>) = 0 [pid 5935] <... prctl resumed>) = 0 [pid 5934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5932] 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 5930] close(10 [pid 5929] close(16 [pid 5028] getdents64(3, ./strace-static-x86_64: Process 5936 attached [pid 5935] setpgid(0, 0 [pid 5934] <... openat resumed>) = 3 [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5936] set_robust_list(0x7f4e92bc39e0, 24 [pid 5935] <... setpgid resumed>) = 0 [pid 5934] write(3, "1000", 4 [pid 5932] <... clone resumed>, parent_tid=[145], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 145 [pid 5930] close(11 [pid 5929] close(17 [pid 5028] close(3 [pid 5936] <... set_robust_list resumed>) = 0 [pid 5935] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5934] <... write resumed>) = 4 [pid 5932] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... close resumed>) = 0 [pid 5936] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5935] <... symlink resumed>) = 0 [pid 5934] close(3 [pid 5932] <... futex resumed>) = 0 [pid 5930] close(12 [pid 5929] close(18 [pid 5028] rmdir("./67" [pid 5936] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5935] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5934] <... close resumed>) = 0 [pid 5932] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... rmdir resumed>) = 0 [pid 5936] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... symlink resumed>) = 0 [pid 5934] read(200, [pid 5932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5930] close(13 [pid 5929] close(19 [pid 5028] mkdir("./68", 0777 [pid 5936] <... futex resumed>) = 0 [pid 5935] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5934] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5932] close(3 [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... mkdir resumed>) = 0 [pid 5936] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5935] <... symlink resumed>) = 0 [pid 5934] symlink("/dev/binderfs", "./binderfs" [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] close(14 [pid 5929] <... 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 5937 attached [pid 5935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5934] <... symlink resumed>) = 0 [pid 5932] close(4 [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5929] close(20 [pid 5937] set_robust_list(0x55555580e6e0, 24 [pid 5935] <... openat resumed>) = 3 [pid 5934] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] close(15 [pid 5929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] <... set_robust_list resumed>) = 0 [pid 5935] write(3, "1000", 4 [pid 5934] <... futex resumed>) = 0 [pid 5932] close(5 [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5929] close(21 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 138 [pid 5937] chdir("./68" [pid 5935] <... write resumed>) = 4 [pid 5934] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] close(16 [pid 5929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] <... chdir resumed>) = 0 [pid 5935] close(3 [pid 5934] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5935] <... close resumed>) = 0 [pid 5934] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5930] close(17 [pid 5937] <... prctl resumed>) = 0 [pid 5935] read(200, [pid 5934] <... mprotect resumed>) = 0 [pid 5932] close(6 [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5929] close(22 [pid 5937] setpgid(0, 0 [pid 5935] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5934] 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 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] close(18 [pid 5929] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5938 attached [pid 5937] <... setpgid resumed>) = 0 [pid 5935] symlink("/dev/binderfs", "./binderfs" [pid 5932] close(7 [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5929] close(23 [pid 5938] set_robust_list(0x7f4e92bc39e0, 24 [pid 5937] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5935] <... symlink resumed>) = 0 [pid 5934] <... clone resumed>, parent_tid=[141], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 141 [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] close(19 [pid 5929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... set_robust_list resumed>) = 0 [pid 5937] <... symlink resumed>) = 0 [pid 5935] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] close(8 [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5929] close(24 [pid 5938] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5937] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5935] <... futex resumed>) = 0 [pid 5934] <... futex resumed>) = 0 [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] close(20 [pid 5929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5937] <... symlink resumed>) = 0 [pid 5935] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5934] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5932] close(9 [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5929] close(25 [pid 5938] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5935] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5930] close(21 [pid 5937] <... symlink resumed>) = 0 [pid 5935] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5934] close(3 [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] <... futex resumed>) = 0 [pid 5937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5935] <... mprotect resumed>) = 0 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] close(22 [pid 5929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] <... openat resumed>) = 3 [pid 5935] 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 5934] close(4 [pid 5932] close(10 [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5929] close(26./strace-static-x86_64: Process 5939 attached [pid 5937] write(3, "1000", 4 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] close(23 [pid 5929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] set_robust_list(0x7f4e92bc39e0, 24 [pid 5937] <... write resumed>) = 4 [pid 5935] <... clone resumed>, parent_tid=[141], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 141 [pid 5934] close(5 [pid 5932] close(11 [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5929] close(27 [pid 5939] <... set_robust_list resumed>) = 0 [pid 5937] close(3 [pid 5935] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] close(24 [pid 5939] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5937] <... close resumed>) = 0 [pid 5935] <... futex resumed>) = 0 [pid 5934] close(6 [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5937] read(200, [pid 5935] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] close(25 [pid 5929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5934] close(7 [pid 5932] close(12 [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5929] close(28 [pid 5939] <... futex resumed>) = 0 [pid 5937] symlink("/dev/binderfs", "./binderfs" [pid 5935] close(3 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] close(26 [pid 5929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] <... symlink resumed>) = 0 [pid 5935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] close(8 [pid 5932] close(13 [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5929] close(29 [pid 5937] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] close(4 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] close(27 [pid 5929] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] <... futex resumed>) = 0 [pid 5935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] close(9 [pid 5932] 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 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5929] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5937] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5935] close(5 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] close(28 [pid 5929] <... write resumed>) = 335 [pid 5937] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] close(10 [pid 5932] close(15 [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5929] exit_group(0 [pid 5937] 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 [pid 5935] close(6 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5931] <... futex resumed>) = ? [pid 5930] close(29 [pid 5929] <... exit_group resumed>) = ? [pid 5937] <... mprotect resumed>) = 0 [pid 5935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] close(11 [pid 5932] close(16 [pid 5931] +++ exited with 0 +++ [pid 5930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5929] +++ exited with 0 +++ [pid 5937] 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 5935] close(7 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=146, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 5940 attached [pid 5935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] close(12 [pid 5932] close(17 [pid 5930] <... write resumed>) = 335 [pid 5940] set_robust_list(0x7f4e92bc39e0, 24 [pid 5937] <... clone resumed>, parent_tid=[139], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 139 [pid 5935] close(8 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] exit_group(0 [pid 5940] <... set_robust_list resumed>) = 0 [pid 5937] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] close(13 [pid 5933] <... futex resumed>) = ? [pid 5932] close(18 [pid 5930] <... exit_group resumed>) = ? [pid 5940] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5937] <... futex resumed>) = 0 [pid 5935] close(9 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5933] +++ exited with 0 +++ [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] +++ exited with 0 +++ [pid 5940] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5937] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] close(14 [pid 5932] close(19 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=150, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5032] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5940] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5935] close(10 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5940] <... futex resumed>) = 0 [pid 5937] close(3 [pid 5935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] close(15 [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5940] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5935] close(11 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] close(20 [pid 5032] <... openat resumed>) = 3 [pid 5937] close(4 [pid 5935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] close(16 [pid 5032] fstat(3, [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5935] close(12 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5937] close(5 [pid 5935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] close(17 [pid 5932] close(21 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] getdents64(3, [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5935] close(13 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5937] close(6 [pid 5935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] close(18 [pid 5932] close(22 [pid 5033] <... openat resumed>) = 3 [pid 5032] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5935] close(14 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5937] close(7 [pid 5935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] close(19 [pid 5932] close(23 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] lstat("./72/binderfs", [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5935] close(15 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5937] close(8 [pid 5935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] close(20 [pid 5932] close(24 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] unlink("./72/binderfs" [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5935] close(16 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... unlink resumed>) = 0 [pid 5937] close(9 [pid 5935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] close(21 [pid 5932] close(25 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] umount2("./72/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5935] close(17 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./74/binderfs", [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5937] close(10 [pid 5935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] close(22 [pid 5932] close(26 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] lstat("./72/cgroup.net", [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5935] close(18 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./74/binderfs" [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5937] close(11 [pid 5935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] close(23 [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5032] unlink("./72/cgroup.net" [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5935] close(19 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] close(27 [pid 5033] umount2("./74/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... unlink resumed>) = 0 [pid 5937] close(12 [pid 5935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] close(24 [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] umount2("./72/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5935] close(20 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] close(28 [pid 5033] lstat("./74/cgroup.net", [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5937] close(13 [pid 5935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] close(25 [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] lstat("./72/cgroup.cpu", [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5935] close(21 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./74/cgroup.net" [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5937] close(14 [pid 5935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] close(26 [pid 5033] <... unlink resumed>) = 0 [pid 5032] unlink("./72/cgroup.cpu" [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5935] close(22 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./74/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... unlink resumed>) = 0 [pid 5937] close(15 [pid 5935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] close(27 [pid 5932] close(29) = -1 EBADF (Bad file descriptor) [pid 5937] <... 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 5935] close(23 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] 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] umount2("./72/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5937] close(16 [pid 5935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] close(28 [pid 5932] <... write resumed>) = 335 [pid 5033] lstat("./74/cgroup.cpu", [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5935] close(24 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] exit_group(0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] lstat("./72/cgroup", [pid 5937] close(17 [pid 5936] <... futex resumed>) = ? [pid 5935] <... 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 5934] close(29 [pid 5932] <... exit_group resumed>) = ? [pid 5033] unlink("./74/cgroup.cpu" [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5936] +++ exited with 0 +++ [pid 5935] close(25 [pid 5934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5032] unlink("./72/cgroup" [pid 5937] close(18 [pid 5935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] umount2("./74/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... unlink resumed>) = 0 [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5935] close(26 [pid 5934] <... write resumed>) = 335 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] getdents64(3, [pid 5937] close(19 [pid 5935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] exit_group(0 [pid 5033] lstat("./74/cgroup", [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5938] <... futex resumed>) = ? [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5935] close(27 [pid 5934] <... exit_group resumed>) = ? [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] close(3 [pid 5938] +++ exited with 0 +++ [pid 5937] close(20 [pid 5935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5934] +++ exited with 0 +++ [pid 5932] +++ exited with 0 +++ [pid 5033] unlink("./74/cgroup" [pid 5032] <... close resumed>) = 0 [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5935] close(28 [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 5937] close(21 [pid 5935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5032] rmdir("./72" [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=140, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5935] close(29 [pid 5032] <... rmdir resumed>) = 0 [pid 5033] close(3 [pid 5937] close(22 [pid 5935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] mkdir("./73", 0777 [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=144, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 5033] <... close resumed>) = 0 [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] close(23) = -1 EBADF (Bad file descriptor) [pid 5937] close(24) = -1 EBADF (Bad file descriptor) [pid 5937] close(25) = -1 EBADF (Bad file descriptor) [pid 5937] close(26) = -1 EBADF (Bad file descriptor) [pid 5937] close(27) = -1 EBADF (Bad file descriptor) [pid 5937] close(28) = -1 EBADF (Bad file descriptor) [pid 5937] close(29) = -1 EBADF (Bad file descriptor) [pid 5937] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335) = 335 [pid 5937] exit_group(0) = ? [pid 5940] <... futex resumed>) = ? [pid 5031] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5935] 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] <... mkdir resumed>) = 0 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5935] <... write resumed>) = 335 [pid 5033] rmdir("./74" [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5935] exit_group(0 [pid 5033] <... rmdir resumed>) = 0 [pid 5031] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5935] <... exit_group resumed>) = ? [pid 5939] <... futex resumed>) = ? [pid 5939] +++ exited with 0 +++ [pid 5033] mkdir("./75", 0777 [pid 5031] <... openat resumed>) = 3 [pid 5029] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5941 attached [pid 5941] set_robust_list(0x55555580e6e0, 24 [pid 5033] <... mkdir resumed>) = 0 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 148 [pid 5031] fstat(3, [pid 5029] <... openat resumed>) = 3 [pid 5941] <... set_robust_list resumed>) = 0 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] fstat(3, [pid 5941] chdir("./73" [pid 5031] getdents64(3, [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5940] +++ exited with 0 +++ [pid 5937] +++ exited with 0 +++ [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] getdents64(3, ./strace-static-x86_64: Process 5942 attached [pid 5941] <... chdir resumed>) = 0 [pid 5031] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=138, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5941] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5935] +++ exited with 0 +++ [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5941] <... prctl resumed>) = 0 [pid 5031] lstat("./71/binderfs", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5942] set_robust_list(0x55555580e6e0, 24 [pid 5941] setpgid(0, 0 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 152 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=140, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5029] lstat("./69/binderfs", [pid 5028] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5942] <... set_robust_list resumed>) = 0 [pid 5941] <... setpgid resumed>) = 0 [pid 5031] unlink("./71/binderfs" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] <... openat resumed>) = 3 [pid 5942] chdir("./75" [pid 5941] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5031] <... unlink resumed>) = 0 [pid 5029] unlink("./69/binderfs" [pid 5028] fstat(3, [pid 5942] <... chdir resumed>) = 0 [pid 5941] <... symlink resumed>) = 0 [pid 5031] umount2("./71/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5942] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5941] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5029] <... unlink resumed>) = 0 [pid 5028] getdents64(3, [pid 5942] <... prctl resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./69/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5942] setpgid(0, 0 [pid 5941] <... symlink resumed>) = 0 [pid 5031] lstat("./71/cgroup.net", [pid 5030] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5942] <... setpgid resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5942] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./69/cgroup.net", [pid 5028] lstat("./68/binderfs", [pid 5942] <... symlink resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5942] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5031] unlink("./71/cgroup.net" [pid 5028] unlink("./68/binderfs" [pid 5942] <... symlink resumed>) = 0 [pid 5941] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5031] <... unlink resumed>) = 0 [pid 5030] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5942] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5941] <... symlink resumed>) = 0 [pid 5028] umount2("./68/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5942] <... symlink resumed>) = 0 [pid 5941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5031] umount2("./71/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... openat resumed>) = 3 [pid 5029] unlink("./69/cgroup.net" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5941] <... openat resumed>) = 3 [pid 5028] lstat("./68/cgroup.net", [pid 5942] <... openat resumed>) = 3 [pid 5941] write(3, "1000", 4 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5942] write(3, "1000", 4 [pid 5941] <... write resumed>) = 4 [pid 5028] unlink("./68/cgroup.net" [pid 5942] <... write resumed>) = 4 [pid 5941] close(3 [pid 5028] <... unlink resumed>) = 0 [pid 5942] close(3 [pid 5941] <... close resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] fstat(3, [pid 5028] umount2("./68/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5942] <... close resumed>) = 0 [pid 5941] read(200, [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5942] read(200, [pid 5941] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5031] lstat("./71/cgroup.cpu", [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] umount2("./69/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] lstat("./68/cgroup.cpu", [pid 5942] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5941] symlink("/dev/binderfs", "./binderfs" [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] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5942] symlink("/dev/binderfs", "./binderfs" [pid 5941] <... symlink resumed>) = 0 [pid 5031] unlink("./71/cgroup.cpu" [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] lstat("./69/cgroup.cpu", [pid 5028] unlink("./68/cgroup.cpu" [pid 5942] <... symlink resumed>) = 0 [pid 5941] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5031] <... unlink resumed>) = 0 [pid 5030] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5942] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] <... futex resumed>) = 0 [pid 5028] umount2("./68/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] umount2("./71/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5942] <... futex resumed>) = 0 [pid 5941] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./69/cgroup.cpu" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5942] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5941] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./68/cgroup", [pid 5942] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5941] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5031] lstat("./71/cgroup", [pid 5030] lstat("./69/binderfs", [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5942] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5941] <... mprotect resumed>) = 0 [pid 5028] unlink("./68/cgroup" [pid 5942] <... mprotect resumed>) = 0 [pid 5941] 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 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] umount2("./69/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5943 attached [pid 5942] 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 5031] unlink("./71/cgroup" [pid 5028] getdents64(3, ./strace-static-x86_64: Process 5944 attached [pid 5943] set_robust_list(0x7f4e92bc39e0, 24 [pid 5941] <... clone resumed>, parent_tid=[149], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 149 [pid 5030] unlink("./69/binderfs" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5944] set_robust_list(0x7f4e92bc39e0, 24 [pid 5942] <... clone resumed>, parent_tid=[153], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 153 [pid 5941] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5028] close(3 [pid 5944] <... set_robust_list resumed>) = 0 [pid 5943] <... set_robust_list resumed>) = 0 [pid 5942] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] <... futex resumed>) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5029] lstat("./69/cgroup", [pid 5028] <... close resumed>) = 0 [pid 5944] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5943] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5942] <... futex resumed>) = 0 [pid 5941] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5031] getdents64(3, [pid 5028] rmdir("./68" [pid 5944] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5943] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5942] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5030] umount2("./69/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... rmdir resumed>) = 0 [pid 5944] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./69/cgroup" [pid 5028] mkdir("./69", 0777 [pid 5944] <... futex resumed>) = 0 [pid 5943] <... futex resumed>) = 1 [pid 5942] close(3 [pid 5941] <... futex resumed>) = 0 [pid 5031] close(3 [pid 5030] lstat("./69/cgroup.net", [pid 5028] <... mkdir resumed>) = 0 [pid 5944] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5943] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] close(3 [pid 5031] <... close resumed>) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5945 attached [pid 5942] close(4 [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] rmdir("./71" [pid 5030] unlink("./69/cgroup.net" [pid 5029] getdents64(3, [pid 5945] set_robust_list(0x55555580e6e0, 24 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] close(4 [pid 5031] <... rmdir resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5945] <... set_robust_list resumed>) = 0 [pid 5942] close(5 [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] mkdir("./72", 0777 [pid 5030] umount2("./69/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 140 [pid 5945] chdir("./69" [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] close(5 [pid 5945] <... chdir resumed>) = 0 [pid 5942] close(6 [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... mkdir resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] close(3 [pid 5945] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] close(6 [pid 5945] <... prctl resumed>) = 0 [pid 5942] close(7 [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] lstat("./69/cgroup.cpu", [pid 5029] <... close resumed>) = 0 [pid 5945] setpgid(0, 0 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] close(7 [pid 5945] <... setpgid resumed>) = 0 [pid 5942] close(8 [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] close(8 [pid 5945] <... symlink resumed>) = 0 [pid 5942] close(9 [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] close(9 [pid 5945] <... symlink resumed>) = 0 [pid 5942] close(10 [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] close(10./strace-static-x86_64: Process 5946 attached [pid 5945] <... symlink resumed>) = 0 [pid 5942] close(11 [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] rmdir("./69" [pid 5946] set_robust_list(0x55555580e6e0, 24 [pid 5945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] close(11 [pid 5030] unlink("./69/cgroup.cpu" [pid 5946] <... set_robust_list resumed>) = 0 [pid 5945] <... openat resumed>) = 3 [pid 5942] close(12 [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 146 [pid 5029] <... rmdir resumed>) = 0 [pid 5946] chdir("./72" [pid 5945] write(3, "1000", 4 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] close(12 [pid 5030] <... unlink resumed>) = 0 [pid 5029] mkdir("./70", 0777 [pid 5946] <... chdir resumed>) = 0 [pid 5945] <... write resumed>) = 4 [pid 5942] close(13 [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./69/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... mkdir resumed>) = 0 [pid 5946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5945] close(3 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] close(13 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5946] <... prctl resumed>) = 0 [pid 5945] <... close resumed>) = 0 [pid 5942] close(14 [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] setpgid(0, 0 [pid 5945] read(200, [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] close(14 [pid 5030] lstat("./69/cgroup", [pid 5946] <... setpgid resumed>) = 0 [pid 5945] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5942] close(15 [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5945] symlink("/dev/binderfs", "./binderfs" [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] close(15 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5946] <... symlink resumed>) = 0 [pid 5945] <... symlink resumed>) = 0 [pid 5942] close(16 [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./69/cgroup"./strace-static-x86_64: Process 5947 attached [pid 5946] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5945] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] close(16 [pid 5947] set_robust_list(0x55555580e6e0, 24 [pid 5946] <... symlink resumed>) = 0 [pid 5945] <... futex resumed>) = 0 [pid 5942] close(17 [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 5947] <... set_robust_list resumed>) = 0 [pid 5946] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] close(17 [pid 5030] getdents64(3, [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 142 [pid 5947] chdir("./70" [pid 5946] <... symlink resumed>) = 0 [pid 5945] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5942] close(18 [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5947] <... chdir resumed>) = 0 [pid 5946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5945] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] close(18 [pid 5947] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5946] <... openat resumed>) = 3 [pid 5945] <... mprotect resumed>) = 0 [pid 5942] close(19 [pid 5030] close(3 [pid 5947] <... prctl resumed>) = 0 [pid 5946] write(3, "1000", 4 [pid 5945] 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 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = 0 ./strace-static-x86_64: Process 5948 attached [pid 5947] setpgid(0, 0 [pid 5946] <... write resumed>) = 4 [pid 5942] close(20 [pid 5941] close(19 [pid 5948] set_robust_list(0x7f4e92bc39e0, 24 [pid 5947] <... setpgid resumed>) = 0 [pid 5946] close(3 [pid 5945] <... clone resumed>, parent_tid=[141], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 141 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] rmdir("./69" [pid 5948] <... set_robust_list resumed>) = 0 [pid 5947] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5946] <... close resumed>) = 0 [pid 5945] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] close(21 [pid 5941] close(20 [pid 5030] <... rmdir resumed>) = 0 [pid 5948] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5947] <... symlink resumed>) = 0 [pid 5946] read(200, [pid 5945] <... futex resumed>) = 0 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] mkdir("./70", 0777 [pid 5948] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5947] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5946] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5945] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5942] close(22 [pid 5941] close(21 [pid 5030] <... mkdir resumed>) = 0 [pid 5948] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... symlink resumed>) = 0 [pid 5945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5946] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5949 attached [pid 5948] <... futex resumed>) = 0 [pid 5947] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5945] close(3 [pid 5942] close(23 [pid 5941] close(22 [pid 5949] set_robust_list(0x55555580e6e0, 24 [pid 5948] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] <... symlink resumed>) = 0 [pid 5946] <... symlink resumed>) = 0 [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 142 [pid 5949] <... set_robust_list resumed>) = 0 [pid 5947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5946] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] close(4 [pid 5942] close(24 [pid 5941] close(23 [pid 5949] chdir("./70" [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5949] <... chdir resumed>) = 0 [pid 5947] <... openat resumed>) = 3 [pid 5946] <... futex resumed>) = 0 [pid 5945] close(5 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] write(3, "1000", 4 [pid 5946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] close(25 [pid 5941] close(24 [pid 5949] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5947] <... write resumed>) = 4 [pid 5946] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5945] close(6 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5949] <... prctl resumed>) = 0 [pid 5947] close(3 [pid 5946] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] close(26 [pid 5941] close(25 [pid 5949] setpgid(0, 0 [pid 5947] <... close resumed>) = 0 [pid 5946] <... mprotect resumed>) = 0 [pid 5945] close(7 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5949] <... setpgid resumed>) = 0 [pid 5947] read(200, [pid 5946] 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 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] close(27 [pid 5941] close(26 [pid 5949] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5947] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5945] close(8 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5950 attached [pid 5949] <... symlink resumed>) = 0 [pid 5947] symlink("/dev/binderfs", "./binderfs" [pid 5946] <... clone resumed>, parent_tid=[147], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 147 [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] close(28 [pid 5941] close(27 [pid 5950] set_robust_list(0x7f4e92bc39e0, 24 [pid 5949] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5947] <... symlink resumed>) = 0 [pid 5946] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] close(9 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5950] <... set_robust_list resumed>) = 0 [pid 5949] <... symlink resumed>) = 0 [pid 5947] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] <... futex resumed>) = 0 [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] close(29 [pid 5941] close(28 [pid 5950] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5949] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5947] <... futex resumed>) = 0 [pid 5946] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5945] close(10 [pid 5942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5950] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5949] <... symlink resumed>) = 0 [pid 5947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5945] <... 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 5942] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5941] close(29 [pid 5950] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000write 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 5949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5947] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5945] close(11 [pid 5942] <... write resumed>) = 335 [pid 5941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5950] <... futex resumed>) = 1 [pid 5947] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5946] <... futex resumed>) = 0 [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] exit_group(0 [pid 5941] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5947] <... mprotect resumed>) = 0 [pid 5946] close(3 [pid 5945] close(12 [pid 5944] <... futex resumed>) = ? [pid 5942] <... exit_group resumed>) = ? [pid 5941] <... write resumed>) = 335 [pid 5950] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5949] <... openat resumed>) = 3 [pid 5947] 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 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5944] +++ exited with 0 +++ [pid 5942] +++ exited with 0 +++ [pid 5941] exit_group(0./strace-static-x86_64: Process 5951 attached [pid 5949] write(3, "1000", 4 [pid 5946] close(4 [pid 5945] close(13 [pid 5943] <... futex resumed>) = ? [pid 5941] <... exit_group resumed>) = ? [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=152, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5951] set_robust_list(0x7f4e92bc39e0, 24 [pid 5949] <... write resumed>) = 4 [pid 5947] <... clone resumed>, parent_tid=[143], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 143 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] +++ exited with 0 +++ [pid 5951] <... set_robust_list resumed>) = 0 [pid 5949] close(3 [pid 5947] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] close(5 [pid 5945] close(14 [pid 5941] +++ exited with 0 +++ [pid 5949] <... close resumed>) = 0 [pid 5947] <... futex resumed>) = 0 [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5951] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5949] read(200, [pid 5947] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] close(15 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=148, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5951] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5949] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5946] close(6 [pid 5032] restart_syscall(<... resuming interrupted clone ...> [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5951] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] symlink("/dev/binderfs", "./binderfs" [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... restart_syscall resumed>) = 0 [pid 5951] <... futex resumed>) = 1 [pid 5949] <... symlink resumed>) = 0 [pid 5947] <... futex resumed>) = 0 [pid 5946] close(7 [pid 5945] close(16 [pid 5951] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5949] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] close(3) = -1 EBADF (Bad file descriptor) [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5949] <... futex resumed>) = 0 [pid 5947] close(4 [pid 5946] close(8 [pid 5945] close(17 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5949] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5949] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5947] close(5 [pid 5946] close(9 [pid 5945] close(18 [pid 5033] <... openat resumed>) = 3 [pid 5032] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5949] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 5032] <... openat resumed>) = 3 [pid 5949] <... mprotect resumed>) = 0 [pid 5947] close(6 [pid 5946] close(10 [pid 5945] close(19 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] fstat(3, [pid 5949] 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 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, ./strace-static-x86_64: Process 5952 attached [pid 5947] close(7 [pid 5946] close(11 [pid 5945] close(20 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5952] set_robust_list(0x7f4e92bc39e0, 24 [pid 5949] <... clone resumed>, parent_tid=[143], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 143 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] getdents64(3, [pid 5952] <... set_robust_list resumed>) = 0 [pid 5949] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] close(8 [pid 5946] close(12 [pid 5945] close(21 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5952] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5949] <... futex resumed>) = 0 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./75/binderfs", [pid 5032] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5952] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5949] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] close(9 [pid 5946] close(13 [pid 5945] close(22 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5952] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./75/binderfs" [pid 5952] <... futex resumed>) = 0 [pid 5947] close(10 [pid 5946] close(14 [pid 5945] close(23 [pid 5033] <... unlink resumed>) = 0 [pid 5952] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./75/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5947] close(11 [pid 5946] close(15 [pid 5945] close(24 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] lstat("./73/binderfs", [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./75/cgroup.net", [pid 5949] close(3 [pid 5947] close(12 [pid 5946] close(16 [pid 5945] close(25 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./75/cgroup.net" [pid 5032] unlink("./73/binderfs" [pid 5949] close(4 [pid 5947] close(13 [pid 5946] close(17 [pid 5945] close(26 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./75/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] umount2("./73/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5949] close(5 [pid 5947] close(14 [pid 5946] close(18 [pid 5945] close(27 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./75/cgroup.cpu", [pid 5032] lstat("./73/cgroup.net", [pid 5949] close(6 [pid 5947] close(15 [pid 5946] close(19 [pid 5945] close(28 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./75/cgroup.cpu" [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5949] close(7 [pid 5947] close(16 [pid 5946] close(20 [pid 5945] close(29 [pid 5033] <... unlink resumed>) = 0 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./75/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] close(17 [pid 5946] 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 [pid 5945] 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("./73/cgroup.net" [pid 5949] close(8 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... write resumed>) = 335 [pid 5033] lstat("./75/cgroup", [pid 5947] close(18 [pid 5946] close(22 [pid 5945] exit_group(0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5948] <... futex resumed>) = ? [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... exit_group resumed>) = ? [pid 5033] unlink("./75/cgroup" [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5948] +++ exited with 0 +++ [pid 5947] close(19 [pid 5946] close(23 [pid 5945] +++ exited with 0 +++ [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5949] close(9 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5032] umount2("./73/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] close(20 [pid 5946] close(24 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=140, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5949] close(10 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] restart_syscall(<... resuming interrupted clone ...> [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] close(21 [pid 5946] close(25 [pid 5033] <... close resumed>) = 0 [pid 5032] lstat("./73/cgroup.cpu", [pid 5028] <... restart_syscall resumed>) = 0 [pid 5949] close(11 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] rmdir("./75" [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] close(22 [pid 5946] close(26 [pid 5033] <... rmdir resumed>) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5949] close(12 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./76", 0777 [pid 5028] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] close(23 [pid 5946] close(27 [pid 5033] <... mkdir resumed>) = 0 [pid 5032] unlink("./73/cgroup.cpu" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5949] close(13 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5953 attached [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] close(24 [pid 5946] close(28 [pid 5032] <... unlink resumed>) = 0 [pid 5028] <... openat resumed>) = 3 [pid 5953] set_robust_list(0x55555580e6e0, 24 [pid 5949] close(14 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 154 [pid 5032] umount2("./73/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] fstat(3, [pid 5953] <... set_robust_list resumed>) = 0 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] close(25 [pid 5946] close(29 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5953] chdir("./76" [pid 5949] close(15 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./73/cgroup", [pid 5028] getdents64(3, [pid 5953] <... chdir 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 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] close(26 [pid 5946] 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 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5949] close(16 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... write resumed>) = 335 [pid 5028] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5953] <... prctl resumed>) = 0 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] close(27 [pid 5946] exit_group(0 [pid 5032] unlink("./73/cgroup" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5953] setpgid(0, 0 [pid 5950] <... futex resumed>) = ? [pid 5949] close(17 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] <... exit_group resumed>) = ? [pid 5032] <... unlink resumed>) = 0 [pid 5028] lstat("./69/binderfs", [pid 5953] <... setpgid resumed>) = 0 [pid 5950] +++ exited with 0 +++ [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] close(28 [pid 5946] +++ exited with 0 +++ [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5953] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5949] close(18 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=146, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5028] unlink("./69/binderfs" [pid 5953] <... symlink resumed>) = 0 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] 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 5032] getdents64(3, [pid 5028] <... unlink resumed>) = 0 [pid 5953] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5949] close(19 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] umount2("./69/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5953] <... symlink resumed>) = 0 [pid 5947] 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 /* 0 entries */, 32768) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5953] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] <... write resumed>) = 335 [pid 5032] close(3 [pid 5028] lstat("./69/cgroup.net", [pid 5953] <... symlink resumed>) = 0 [pid 5949] close(20 [pid 5947] exit_group(0 [pid 5032] <... close resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5951] <... futex resumed>) = ? [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] <... exit_group resumed>) = ? [pid 5032] rmdir("./73" [pid 5031] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./69/cgroup.net" [pid 5953] <... openat resumed>) = 3 [pid 5951] +++ exited with 0 +++ [pid 5949] close(21 [pid 5947] +++ exited with 0 +++ [pid 5032] <... rmdir resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 5953] write(3, "1000", 4 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] mkdir("./74", 0777 [pid 5031] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=142, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5028] umount2("./69/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5953] <... write resumed>) = 4 [pid 5949] close(22 [pid 5032] <... mkdir resumed>) = 0 [pid 5031] <... openat resumed>) = 3 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5953] close(3 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] fstat(3, [pid 5028] lstat("./69/cgroup.cpu", [pid 5953] <... close resumed>) = 0 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5953] read(200, [pid 5949] close(23 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5954 attached [pid 5953] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 150 [pid 5031] getdents64(3, [pid 5028] unlink("./69/cgroup.cpu" [pid 5954] set_robust_list(0x55555580e6e0, 24 [pid 5953] symlink("/dev/binderfs", "./binderfs" [pid 5949] close(24 [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] <... unlink resumed>) = 0 [pid 5954] <... set_robust_list resumed>) = 0 [pid 5953] <... symlink resumed>) = 0 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] umount2("./69/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5954] chdir("./74" [pid 5953] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] close(25 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5954] <... chdir resumed>) = 0 [pid 5953] <... futex resumed>) = 0 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./72/binderfs", [pid 5029] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] lstat("./69/cgroup", [pid 5954] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5953] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5949] close(26 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] <... openat resumed>) = 3 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5954] <... prctl resumed>) = 0 [pid 5953] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./72/binderfs" [pid 5029] fstat(3, [pid 5028] unlink("./69/cgroup" [pid 5954] setpgid(0, 0 [pid 5953] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5949] close(27 [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5954] <... setpgid resumed>) = 0 [pid 5953] <... mprotect resumed>) = 0 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./72/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] getdents64(3, [pid 5028] getdents64(3, [pid 5954] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5953] 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 5949] close(28 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5955 attached [pid 5954] <... symlink resumed>) = 0 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./72/cgroup.net", [pid 5029] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] close(3 [pid 5955] set_robust_list(0x7f4e92bc39e0, 24 [pid 5954] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5953] <... clone resumed>, parent_tid=[155], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 155 [pid 5949] 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 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... close resumed>) = 0 [pid 5955] <... set_robust_list resumed>) = 0 [pid 5954] <... symlink resumed>) = 0 [pid 5953] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./72/cgroup.net" [pid 5029] lstat("./70/binderfs", [pid 5028] rmdir("./69" [pid 5955] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5954] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5953] <... futex resumed>) = 0 [pid 5949] 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=13, ...}) = 0 [pid 5028] <... rmdir resumed>) = 0 [pid 5955] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5954] <... symlink resumed>) = 0 [pid 5953] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5949] <... write resumed>) = 335 [pid 5031] umount2("./72/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./70/binderfs" [pid 5028] mkdir("./70", 0777 [pid 5955] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5949] exit_group(0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... mkdir resumed>) = 0 [pid 5955] <... futex resumed>) = 0 [pid 5954] <... openat resumed>) = 3 [pid 5953] close(3 [pid 5952] <... futex resumed>) = ? [pid 5949] <... exit_group resumed>) = ? [pid 5031] lstat("./72/cgroup.cpu", [pid 5029] umount2("./70/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5955] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5954] write(3, "1000", 4 [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5952] +++ exited with 0 +++ [pid 5949] +++ exited with 0 +++ [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5956 attached [pid 5954] <... write resumed>) = 4 [pid 5953] close(4 [pid 5031] unlink("./72/cgroup.cpu" [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=142, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5029] lstat("./70/cgroup.net", [pid 5956] set_robust_list(0x55555580e6e0, 24 [pid 5954] close(3 [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5956] <... set_robust_list resumed>) = 0 [pid 5954] <... close resumed>) = 0 [pid 5953] close(5 [pid 5031] umount2("./72/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./70/cgroup.net" [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 142 [pid 5956] chdir("./70" [pid 5954] read(200, [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5956] <... chdir resumed>) = 0 [pid 5954] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5953] close(6 [pid 5031] lstat("./72/cgroup", [pid 5029] umount2("./70/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5956] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5954] symlink("/dev/binderfs", "./binderfs" [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5956] <... prctl resumed>) = 0 [pid 5954] <... symlink resumed>) = 0 [pid 5953] close(7 [pid 5031] unlink("./72/cgroup" [pid 5029] lstat("./70/cgroup.cpu", [pid 5956] setpgid(0, 0 [pid 5954] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5956] <... setpgid resumed>) = 0 [pid 5954] <... futex resumed>) = 0 [pid 5953] close(8 [pid 5031] getdents64(3, [pid 5029] unlink("./70/cgroup.cpu" [pid 5956] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5954] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... unlink resumed>) = 0 [pid 5956] <... symlink resumed>) = 0 [pid 5954] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5953] close(9 [pid 5031] close(3 [pid 5029] umount2("./70/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5956] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5954] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... close resumed>) = 0 [pid 5030] <... openat resumed>) = 3 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5956] <... symlink resumed>) = 0 [pid 5954] <... mprotect resumed>) = 0 [pid 5953] close(10 [pid 5031] rmdir("./72" [pid 5030] fstat(3, [pid 5029] lstat("./70/cgroup", [pid 5956] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5954] 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 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... rmdir resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 5957 attached [pid 5956] <... symlink resumed>) = 0 [pid 5953] close(11 [pid 5031] mkdir("./73", 0777 [pid 5029] unlink("./70/cgroup" [pid 5957] set_robust_list(0x7f4e92bc39e0, 24 [pid 5956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5954] <... clone resumed>, parent_tid=[151], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 151 [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... mkdir resumed>) = 0 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5957] <... set_robust_list resumed>) = 0 [pid 5956] <... openat resumed>) = 3 [pid 5954] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] close(12 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] getdents64(3, [pid 5029] getdents64(3, ./strace-static-x86_64: Process 5958 attached [pid 5957] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5956] write(3, "1000", 4 [pid 5954] <... futex resumed>) = 0 [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5958] set_robust_list(0x55555580e6e0, 24 [pid 5957] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5956] <... write resumed>) = 4 [pid 5954] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5953] close(13 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 148 [pid 5029] close(3 [pid 5958] <... set_robust_list resumed>) = 0 [pid 5957] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] close(3 [pid 5954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... close resumed>) = 0 [pid 5958] chdir("./73" [pid 5957] <... futex resumed>) = 0 [pid 5956] <... close resumed>) = 0 [pid 5954] close(3 [pid 5953] close(14 [pid 5029] rmdir("./70" [pid 5958] <... chdir resumed>) = 0 [pid 5957] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5956] read(200, [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... rmdir resumed>) = 0 [pid 5958] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5956] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5954] close(4 [pid 5953] close(15 [pid 5030] lstat("./70/binderfs", [pid 5029] mkdir("./71", 0777 [pid 5958] <... prctl resumed>) = 0 [pid 5956] symlink("/dev/binderfs", "./binderfs" [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] <... mkdir resumed>) = 0 [pid 5958] setpgid(0, 0 [pid 5956] <... symlink resumed>) = 0 [pid 5954] close(5 [pid 5953] close(16 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5958] <... setpgid resumed>) = 0 [pid 5956] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./70/binderfs"./strace-static-x86_64: Process 5959 attached [pid 5958] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5956] <... futex resumed>) = 0 [pid 5954] close(6 [pid 5953] close(17 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 144 [pid 5959] set_robust_list(0x55555580e6e0, 24 [pid 5958] <... symlink resumed>) = 0 [pid 5956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 5959] <... set_robust_list resumed>) = 0 [pid 5958] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5956] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5954] close(7 [pid 5953] close(18 [pid 5958] <... symlink resumed>) = 0 [pid 5956] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./70/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5958] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5956] <... mprotect resumed>) = 0 [pid 5954] close(8 [pid 5953] close(19 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5959] chdir("./71" [pid 5958] <... symlink resumed>) = 0 [pid 5956] 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 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./70/cgroup.net", ./strace-static-x86_64: Process 5960 attached [pid 5959] <... chdir resumed>) = 0 [pid 5958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5954] close(9 [pid 5953] close(20 [pid 5960] set_robust_list(0x7f4e92bc39e0, 24 [pid 5959] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5958] <... openat resumed>) = 3 [pid 5956] <... clone resumed>, parent_tid=[143], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 143 [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5960] <... set_robust_list resumed>) = 0 [pid 5959] <... prctl resumed>) = 0 [pid 5958] write(3, "1000", 4 [pid 5956] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] close(10 [pid 5953] close(21 [pid 5030] unlink("./70/cgroup.net" [pid 5960] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5959] setpgid(0, 0 [pid 5958] <... write resumed>) = 4 [pid 5956] <... futex resumed>) = 0 [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5960] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5959] <... setpgid resumed>) = 0 [pid 5958] close(3 [pid 5956] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5954] close(11 [pid 5953] close(22 [pid 5030] <... unlink resumed>) = 0 [pid 5960] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5958] <... close resumed>) = 0 [pid 5956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./70/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5960] <... futex resumed>) = 0 [pid 5959] <... symlink resumed>) = 0 [pid 5958] read(200, [pid 5956] close(3 [pid 5954] close(12 [pid 5953] close(23 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5960] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5958] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./70/cgroup.cpu", [pid 5959] <... symlink resumed>) = 0 [pid 5958] symlink("/dev/binderfs", "./binderfs" [pid 5956] close(4 [pid 5954] close(13 [pid 5953] close(24 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5958] <... symlink resumed>) = 0 [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5958] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] close(5 [pid 5954] close(14 [pid 5953] close(25 [pid 5030] unlink("./70/cgroup.cpu" [pid 5959] <... symlink resumed>) = 0 [pid 5958] <... futex resumed>) = 0 [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5958] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5956] close(6 [pid 5954] close(15 [pid 5953] close(26 [pid 5030] <... unlink resumed>) = 0 [pid 5959] <... openat resumed>) = 3 [pid 5958] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] write(3, "1000", 4 [pid 5958] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5956] close(7 [pid 5954] close(16 [pid 5953] close(27 [pid 5030] umount2("./70/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5959] <... write resumed>) = 4 [pid 5958] <... mprotect resumed>) = 0 [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5959] close(3 [pid 5958] 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 5956] close(8 [pid 5954] close(17 [pid 5953] close(28./strace-static-x86_64: Process 5961 attached [pid 5959] <... close resumed>) = 0 [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./70/cgroup", [pid 5961] set_robust_list(0x7f4e92bc39e0, 24 [pid 5959] read(200, [pid 5958] <... clone resumed>, parent_tid=[149], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 149 [pid 5956] close(9write 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 5954] close(18 [pid 5953] close(29 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5961] <... set_robust_list resumed>) = 0 [pid 5959] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5958] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./70/cgroup" [pid 5961] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5959] symlink("/dev/binderfs", "./binderfs" [pid 5958] <... futex resumed>) = 0 [pid 5956] close(10 [pid 5954] close(19 [pid 5953] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5030] <... unlink resumed>) = 0 [pid 5961] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5959] <... symlink resumed>) = 0 [pid 5958] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... write resumed>) = 335 [pid 5030] getdents64(3, [pid 5961] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5956] close(11 [pid 5954] close(20 [pid 5953] exit_group(0 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5961] <... futex resumed>) = 0 [pid 5959] <... futex resumed>) = 0 [pid 5958] close(3 [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5955] <... futex resumed>) = ? [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5953] <... exit_group resumed>) = ? [pid 5030] close(3 [pid 5961] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] close(12 [pid 5955] +++ exited with 0 +++ [pid 5954] close(21 [pid 5953] +++ exited with 0 +++ [pid 5030] <... close resumed>) = 0 [pid 5959] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5958] close(4 [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=154, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5030] rmdir("./70" [pid 5959] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] close(13 [pid 5954] close(22 [pid 5030] <... rmdir resumed>) = 0 [pid 5959] <... mprotect resumed>) = 0 [pid 5958] close(5 [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] mkdir("./71", 0777 [pid 5959] 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 5958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] close(14 [pid 5954] close(23 [pid 5033] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5962 attached [pid 5958] close(6 [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5963 attached [pid 5962] set_robust_list(0x7f4e92bc39e0, 24 [pid 5959] <... clone resumed>, parent_tid=[145], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 145 [pid 5958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] close(15 [pid 5954] close(24 [pid 5033] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5962] <... set_robust_list resumed>) = 0 [pid 5958] close(7 [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 144 [pid 5963] set_robust_list(0x55555580e6e0, 24 [pid 5962] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] close(16 [pid 5954] close(25 [pid 5033] <... openat resumed>) = 3 [pid 5963] <... set_robust_list resumed>) = 0 [pid 5962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] <... futex resumed>) = 0 [pid 5958] close(8 [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 5963] chdir("./71" [pid 5962] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5959] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] close(17 [pid 5954] close(26 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5963] <... chdir resumed>) = 0 [pid 5962] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5958] close(9 [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5963] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5962] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] close(18 [pid 5954] close(27 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5963] <... prctl resumed>) = 0 [pid 5962] <... futex resumed>) = 1 [pid 5959] <... futex resumed>) = 0 [pid 5958] close(10 [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5963] setpgid(0, 0 [pid 5962] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] close(3 [pid 5958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] close(19 [pid 5954] close(28 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5963] <... setpgid resumed>) = 0 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5958] close(11 [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./76/binderfs", [pid 5963] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5959] close(4 [pid 5958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] close(20 [pid 5954] close(29 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5963] <... symlink resumed>) = 0 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5958] close(12 [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./76/binderfs" [pid 5963] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5959] close(5 [pid 5958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] close(21 [pid 5954] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] <... unlink resumed>) = 0 [pid 5963] <... 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 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5958] close(13 [pid 5033] umount2("./76/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5963] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5959] close(6 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5963] <... symlink resumed>) = 0 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5954] <... write resumed>) = 335 [pid 5033] lstat("./76/cgroup.net", [pid 5963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5959] close(7 [pid 5958] close(14 [pid 5956] close(22 [pid 5954] exit_group(0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5963] <... openat resumed>) = 3 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5957] <... futex resumed>) = ? [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5954] <... exit_group resumed>) = ? [pid 5033] unlink("./76/cgroup.net" [pid 5963] write(3, "1000", 4 [pid 5959] close(8 [pid 5958] close(15 [pid 5957] +++ exited with 0 +++ [pid 5956] close(23 [pid 5033] <... unlink resumed>) = 0 [pid 5963] <... write resumed>) = 4 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5954] +++ exited with 0 +++ [pid 5033] umount2("./76/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5963] close(3 [pid 5959] close(9 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=150, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5958] close(16 [pid 5963] <... close resumed>) = 0 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] close(24 [pid 5033] lstat("./76/cgroup.cpu", [pid 5963] read(200, [pid 5959] close(10 [pid 5958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5963] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5958] close(17 [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./76/cgroup.cpu" [pid 5963] symlink("/dev/binderfs", "./binderfs" [pid 5959] close(11 [pid 5958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] close(25 [pid 5033] <... unlink resumed>) = 0 [pid 5032] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5963] <... symlink resumed>) = 0 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5958] close(18 [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./76/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5963] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] close(12 [pid 5958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] close(26 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5963] <... futex resumed>) = 0 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5958] close(19 [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./76/cgroup", [pid 5032] <... openat resumed>) = 3 [pid 5963] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5959] close(13 [pid 5958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] close(27 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] fstat(3, [pid 5963] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5958] close(20 [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./76/cgroup" [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5963] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5959] close(14 [pid 5958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] close(28 [pid 5032] getdents64(3, [pid 5963] <... mprotect resumed>) = 0 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5958] close(21 [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5963] 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 5959] close(15 [pid 5958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] close(29 [pid 5033] getdents64(3, [pid 5032] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5964 attached [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5958] close(22 [pid 5956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5964] set_robust_list(0x7f4e92bc39e0, 24 [pid 5963] <... clone resumed>, parent_tid=[145], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 145 [pid 5959] close(16 [pid 5958] <... 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 5956] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] close(3 [pid 5032] lstat("./74/binderfs", [pid 5964] <... set_robust_list resumed>) = 0 [pid 5963] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5958] close(23 [pid 5956] <... write resumed>) = 335 [pid 5033] <... close resumed>) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5964] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5963] <... futex resumed>) = 0 [pid 5959] close(17 [pid 5958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] exit_group(0 [pid 5033] rmdir("./76" [pid 5032] unlink("./74/binderfs" [pid 5964] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5963] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5960] <... futex resumed>) = ? [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5958] close(24 [pid 5956] <... exit_group resumed>) = ? [pid 5033] <... rmdir resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5964] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5960] +++ exited with 0 +++ [pid 5959] close(18 [pid 5958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] +++ exited with 0 +++ [pid 5033] mkdir("./77", 0777 [pid 5032] umount2("./74/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5964] <... futex resumed>) = 0 [pid 5963] close(3 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5958] close(25 [pid 5033] <... mkdir resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5964] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] close(19 [pid 5032] lstat("./74/cgroup.net", [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5963] close(4 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5958] close(26 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./74/cgroup.net" [pid 5958] close(27 [pid 5032] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5965 attached [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] close(20 [pid 5958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./74/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=142, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5963] close(5 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5958] close(28 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] close(21 [pid 5958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 156 [pid 5032] lstat("./74/cgroup.cpu", [pid 5028] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5963] close(6 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5958] close(29 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] close(22 [pid 5958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./74/cgroup.cpu" [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 5965] set_robust_list(0x55555580e6e0, 24 [pid 5963] close(7 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5958] 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 5028] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5965] <... set_robust_list resumed>) = 0 [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] close(23 [pid 5958] <... write resumed>) = 335 [pid 5032] umount2("./74/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... openat resumed>) = 3 [pid 5965] chdir("./77" [pid 5963] close(8 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5958] exit_group(0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] fstat(3, [pid 5965] <... chdir resumed>) = 0 [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5961] <... futex resumed>) = ? [pid 5959] close(24 [pid 5958] <... exit_group resumed>) = ? [pid 5032] lstat("./74/cgroup", [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5965] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5963] close(9 [pid 5961] +++ exited with 0 +++ [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5958] +++ exited with 0 +++ [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] getdents64(3, [pid 5965] <... prctl resumed>) = 0 [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] close(25 [pid 5032] unlink("./74/cgroup" [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5965] setpgid(0, 0 [pid 5963] close(10 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=148, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5028] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5965] <... setpgid resumed>) = 0 [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] close(26 [pid 5032] getdents64(3, [pid 5031] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5965] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5963] close(11 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./70/binderfs", [pid 5965] <... symlink resumed>) = 0 [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] close(27 [pid 5032] close(3 [pid 5031] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5965] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5963] close(12 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... close resumed>) = 0 [pid 5031] <... openat resumed>) = 3 [pid 5028] unlink("./70/binderfs" [pid 5965] <... symlink resumed>) = 0 [pid 5959] close(28 [pid 5965] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] <... symlink resumed>) = 0 [pid 5963] close(13 [pid 5959] close(29 [pid 5032] rmdir("./74" [pid 5031] fstat(3, [pid 5028] <... unlink resumed>) = 0 [pid 5965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5959] <... 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 5965] <... openat resumed>) = 3 [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] <... rmdir resumed>) = 0 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] umount2("./70/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5965] write(3, "1000", 4 [pid 5959] <... write resumed>) = 335 [pid 5965] <... write resumed>) = 4 [pid 5963] close(14 [pid 5959] exit_group(0 [pid 5032] mkdir("./75", 0777 [pid 5031] getdents64(3, [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5965] close(3 [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5962] <... futex resumed>) = ? [pid 5959] <... exit_group resumed>) = ? [pid 5032] <... mkdir resumed>) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] lstat("./70/cgroup.net", [pid 5965] <... close resumed>) = 0 [pid 5963] close(15 [pid 5962] +++ exited with 0 +++ [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5966 attached [pid 5965] read(200, [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] +++ exited with 0 +++ [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./70/cgroup.net" [pid 5966] set_robust_list(0x55555580e6e0, 24 [pid 5965] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5963] close(16 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 152 [pid 5031] lstat("./73/binderfs", [pid 5028] <... unlink resumed>) = 0 [pid 5966] <... set_robust_list resumed>) = 0 [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=144, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5028] umount2("./70/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5966] chdir("./75" [pid 5965] symlink("/dev/binderfs", "./binderfs" [pid 5963] close(17 [pid 5031] unlink("./73/binderfs" [pid 5029] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5966] <... chdir resumed>) = 0 [pid 5965] <... symlink resumed>) = 0 [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./70/cgroup.cpu", [pid 5966] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5965] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] close(18 [pid 5031] umount2("./73/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5966] <... prctl resumed>) = 0 [pid 5965] <... futex resumed>) = 0 [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... openat resumed>) = 3 [pid 5028] unlink("./70/cgroup.cpu" [pid 5966] setpgid(0, 0 [pid 5963] close(19 [pid 5031] lstat("./73/cgroup.net", [pid 5029] fstat(3, [pid 5028] <... unlink resumed>) = 0 [pid 5966] <... setpgid resumed>) = 0 [pid 5965] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] umount2("./70/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5966] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5965] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5963] close(20 [pid 5031] unlink("./73/cgroup.net" [pid 5029] getdents64(3, [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5966] <... symlink resumed>) = 0 [pid 5965] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] lstat("./70/cgroup", [pid 5966] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5965] <... mprotect resumed>) = 0 [pid 5963] close(21 [pid 5031] umount2("./73/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5966] <... symlink resumed>) = 0 [pid 5965] 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 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./70/cgroup"./strace-static-x86_64: Process 5967 attached [pid 5966] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5963] close(22 [pid 5031] lstat("./73/cgroup.cpu", [pid 5029] lstat("./71/binderfs", [pid 5028] <... unlink resumed>) = 0 [pid 5967] set_robust_list(0x7f4e92bc39e0, 24 [pid 5966] <... symlink resumed>) = 0 [pid 5965] <... clone resumed>, parent_tid=[157], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 157 [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] getdents64(3, [pid 5967] <... set_robust_list resumed>) = 0 [pid 5966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5965] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] close(23 [pid 5031] unlink("./73/cgroup.cpu" [pid 5029] unlink("./71/binderfs" [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5967] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5966] <... openat resumed>) = 3 [pid 5965] <... futex resumed>) = 0 [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5028] close(3 [pid 5967] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5966] write(3, "1000", 4 [pid 5965] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5963] close(24 [pid 5031] umount2("./73/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./71/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... close resumed>) = 0 [pid 5967] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] <... write resumed>) = 4 [pid 5965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] rmdir("./70" [pid 5967] <... futex resumed>) = 0 [pid 5966] close(3 [pid 5965] close(3 [pid 5963] close(25 [pid 5031] lstat("./73/cgroup", [pid 5029] lstat("./71/cgroup.net", [pid 5028] <... rmdir resumed>) = 0 [pid 5967] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5966] <... close resumed>) = 0 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] mkdir("./71", 0777 [pid 5966] read(200, [pid 5965] close(4 [pid 5963] close(26 [pid 5031] unlink("./73/cgroup" [pid 5029] unlink("./71/cgroup.net" [pid 5028] <... mkdir resumed>) = 0 [pid 5966] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5966] symlink("/dev/binderfs", "./binderfs" [pid 5965] close(5 [pid 5963] close(27 [pid 5031] getdents64(3, [pid 5029] umount2("./71/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5966] <... symlink resumed>) = 0 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] close(6) = -1 EBADF (Bad file descriptor) [pid 5965] close(7) = -1 EBADF (Bad file descriptor) [pid 5965] close(8) = -1 EBADF (Bad file descriptor) [pid 5965] close(9) = -1 EBADF (Bad file descriptor) [pid 5965] close(10) = -1 EBADF (Bad file descriptor) [pid 5965] close(11) = -1 EBADF (Bad file descriptor) [pid 5965] close(12 [pid 5966] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5968 attached [pid 5966] <... futex resumed>) = 0 [pid 5965] close(13 [pid 5963] close(28 [pid 5031] close(3 [pid 5029] lstat("./71/cgroup.cpu", [pid 5968] set_robust_list(0x55555580e6e0, 24 [pid 5966] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... close resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5968] <... set_robust_list resumed>) = 0 [pid 5966] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5965] close(14 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 144 [pid 5966] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5963] close(29 [pid 5031] rmdir("./73" [pid 5029] unlink("./71/cgroup.cpu" [pid 5968] chdir("./71" [pid 5966] <... mprotect resumed>) = 0 [pid 5965] close(15 [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... rmdir resumed>) = 0 [pid 5968] <... chdir resumed>) = 0 [pid 5966] 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 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... unlink resumed>) = 0 [pid 5965] close(16 [pid 5963] 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 5969 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 5968] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] mkdir("./74", 0777 [pid 5029] umount2("./71/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5969] set_robust_list(0x7f4e92bc39e0, 24 [pid 5965] close(17 [pid 5963] <... write resumed>) = 335 [pid 5969] <... set_robust_list resumed>) = 0 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5969] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5965] close(18 [pid 5968] <... prctl resumed>) = 0 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] <... clone resumed>, parent_tid=[153], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 153 [pid 5965] close(19) = -1 EBADF (Bad file descriptor) [pid 5031] <... mkdir resumed>) = 0 [pid 5968] setpgid(0, 0 [pid 5966] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] close(20 [pid 5963] exit_group(0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5969] <... futex resumed>) = 0 [pid 5968] <... setpgid resumed>) = 0 [pid 5966] <... futex resumed>) = 1 [pid 5965] close(21 [pid 5964] <... futex resumed>) = ? [pid 5963] <... exit_group resumed>) = ? [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] lstat("./71/cgroup", [pid 5969] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5968] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5966] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5969] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5965] close(22 [pid 5964] +++ exited with 0 +++ [pid 5969] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5969] <... futex resumed>) = 0 [pid 5965] close(23 [pid 5969] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] close(24) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5970 attached [pid 5965] close(25 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5970] set_robust_list(0x55555580e6e0, 24 [pid 5968] <... symlink resumed>) = 0 [pid 5966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5970] <... set_robust_list resumed>) = 0 [pid 5965] close(26 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 150 [pid 5029] unlink("./71/cgroup" [pid 5970] chdir("./74" [pid 5968] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5966] close(3 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5963] +++ exited with 0 +++ [pid 5970] <... chdir resumed>) = 0 [pid 5968] <... symlink resumed>) = 0 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] close(27 [pid 5029] <... unlink resumed>) = 0 [pid 5970] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5968] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5966] close(4 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5970] <... prctl resumed>) = 0 [pid 5965] close(28 [pid 5029] getdents64(3, [pid 5970] setpgid(0, 0 [pid 5968] <... symlink resumed>) = 0 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=144, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5970] <... setpgid resumed>) = 0 [pid 5968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5966] close(5 [pid 5965] close(29 [pid 5030] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] close(3 [pid 5970] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5968] <... openat resumed>) = 3 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5970] <... symlink resumed>) = 0 [pid 5968] write(3, "1000", 4write 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 5966] close(6 [pid 5965] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... close resumed>) = 0 [pid 5970] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5968] <... write resumed>) = 4 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] <... write resumed>) = 335 [pid 5030] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] rmdir("./71" [pid 5970] <... symlink resumed>) = 0 [pid 5968] close(3 [pid 5966] close(7 [pid 5965] exit_group(0 [pid 5970] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5968] <... close resumed>) = 0 [pid 5967] <... futex resumed>) = ? [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] <... exit_group resumed>) = ? [pid 5030] <... openat resumed>) = 3 [pid 5029] <... rmdir resumed>) = 0 [pid 5970] <... symlink resumed>) = 0 [pid 5968] read(200, [pid 5966] close(8 [pid 5970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5970] <... openat resumed>) = 3 [pid 5966] close(9 [pid 5970] write(3, "1000", 4 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5970] <... write resumed>) = 4 [pid 5966] close(10 [pid 5970] close(3 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5970] <... close resumed>) = 0 [pid 5966] close(11 [pid 5970] read(200, [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5970] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5967] +++ exited with 0 +++ [pid 5966] close(12 [pid 5965] +++ exited with 0 +++ [pid 5970] symlink("/dev/binderfs", "./binderfs" [pid 5968] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] fstat(3, [pid 5029] mkdir("./72", 0777 [pid 5970] <... symlink resumed>) = 0 [pid 5966] close(13 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=156, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5970] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5970] <... futex resumed>) = 0 [pid 5966] close(14 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5970] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5968] symlink("/dev/binderfs", "./binderfs" [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5970] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5966] close(15 [pid 5033] <... openat resumed>) = 3 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] <... mkdir resumed>) = 0 [pid 5970] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5968] <... symlink resumed>) = 0 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 5970] <... mprotect resumed>) = 0 [pid 5968] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] close(16 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] getdents64(3, [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5970] 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 5968] <... futex resumed>) = 0 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 5972 attached ./strace-static-x86_64: Process 5971 attached [pid 5968] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5966] close(17 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5972] set_robust_list(0x55555580e6e0, 24 [pid 5971] set_robust_list(0x7f4e92bc39e0, 24 [pid 5970] <... clone resumed>, parent_tid=[151], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 151 [pid 5968] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 146 [pid 5972] <... set_robust_list resumed>) = 0 [pid 5971] <... set_robust_list resumed>) = 0 [pid 5970] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5966] close(18 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5972] chdir("./72" [pid 5970] <... futex resumed>) = 0 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./77/binderfs", [pid 5972] <... chdir resumed>) = 0 [pid 5971] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5970] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] <... mprotect resumed>) = 0 [pid 5966] close(19 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] lstat("./71/binderfs", [pid 5972] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5971] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5968] 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 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./77/binderfs"./strace-static-x86_64: Process 5973 attached [pid 5972] <... prctl resumed>) = 0 [pid 5971] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] close(20 [pid 5033] <... unlink resumed>) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5973] set_robust_list(0x7f4e92bc39e0, 24 [pid 5972] setpgid(0, 0 [pid 5971] <... futex resumed>) = 1 [pid 5970] <... futex resumed>) = 0 [pid 5968] <... clone resumed>, parent_tid=[145], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 145 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./77/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] unlink("./71/binderfs" [pid 5973] <... set_robust_list resumed>) = 0 [pid 5972] <... setpgid resumed>) = 0 [pid 5971] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5970] close(3 [pid 5968] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] close(21 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5973] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5972] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... futex resumed>) = 0 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./77/cgroup.net", [pid 5030] <... unlink resumed>) = 0 [pid 5973] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5972] <... symlink resumed>) = 0 [pid 5970] close(4 [pid 5968] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5966] close(22 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] umount2("./71/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5973] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./77/cgroup.net" [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5973] <... futex resumed>) = 0 [pid 5972] <... symlink resumed>) = 0 [pid 5968] close(3 [pid 5970] close(5 [pid 5033] <... unlink resumed>) = 0 [pid 5973] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5972] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(23 [pid 5033] umount2("./77/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] lstat("./71/cgroup.net", [pid 5972] <... symlink resumed>) = 0 [pid 5970] close(6 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(24 [pid 5033] lstat("./77/cgroup.cpu", [pid 5030] unlink("./71/cgroup.net" [pid 5972] <... openat resumed>) = 3 [pid 5970] close(7 [pid 5968] close(4 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5972] write(3, "1000", 4 [pid 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(25 [pid 5033] unlink("./77/cgroup.cpu" [pid 5030] umount2("./71/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5972] <... write resumed>) = 4 [pid 5970] close(8 [pid 5968] close(5 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5972] close(3 [pid 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(26 [pid 5033] umount2("./77/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] lstat("./71/cgroup.cpu", [pid 5972] <... close resumed>) = 0 [pid 5970] close(9 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5972] read(200, [pid 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(27 [pid 5033] lstat("./77/cgroup", [pid 5030] unlink("./71/cgroup.cpu" [pid 5972] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5970] close(10 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5972] symlink("/dev/binderfs", "./binderfs" [pid 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(28 [pid 5033] unlink("./77/cgroup" [pid 5030] umount2("./71/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5968] close(6 [pid 5972] <... symlink resumed>) = 0 [pid 5970] close(11 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5972] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(29 [pid 5033] getdents64(3, [pid 5030] lstat("./71/cgroup", [pid 5972] <... futex resumed>) = 0 [pid 5970] close(12 [pid 5968] close(7 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 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 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] close(3 [pid 5030] unlink("./71/cgroup" [pid 5972] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5970] close(13 [pid 5968] close(8 [pid 5966] <... write resumed>) = 335 [pid 5033] <... close resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5972] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] exit_group(0 [pid 5033] rmdir("./77" [pid 5030] getdents64(3, [pid 5972] <... mprotect resumed>) = 0 [pid 5970] close(14 [pid 5969] <... futex resumed>) = ? [pid 5968] close(9 [pid 5966] <... exit_group resumed>) = ? [pid 5033] <... rmdir resumed>) = 0 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5972] 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 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5969] +++ exited with 0 +++ [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./78", 0777 [pid 5030] close(3./strace-static-x86_64: Process 5974 attached [pid 5970] close(15 [pid 5968] close(10 [pid 5974] set_robust_list(0x7f4e92bc39e0, 24 [pid 5972] <... clone resumed>, parent_tid=[147], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 147 [pid 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] +++ exited with 0 +++ [pid 5033] <... mkdir resumed>) = 0 [pid 5030] <... close resumed>) = 0 [pid 5974] <... set_robust_list resumed>) = 0 [pid 5972] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] close(16 [pid 5968] close(11 [pid 5974] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=152, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5030] rmdir("./71"./strace-static-x86_64: Process 5975 attached [pid 5974] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5972] <... futex resumed>) = 0 [pid 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] close(12 [pid 5030] <... rmdir resumed>) = 0 [pid 5975] set_robust_list(0x55555580e6e0, 24 [pid 5974] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5970] close(17 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 158 [pid 5030] mkdir("./72", 0777 [pid 5975] <... set_robust_list resumed>) = 0 [pid 5974] <... futex resumed>) = 0 [pid 5972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] close(13 [pid 5030] <... mkdir resumed>) = 0 [pid 5974] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5972] close(3 [pid 5975] chdir("./78" [pid 5970] close(18 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5976 attached [pid 5975] <... chdir resumed>) = 0 [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] close(14 [pid 5976] set_robust_list(0x55555580e6e0, 24 [pid 5975] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5972] close(4 [pid 5970] close(19 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 146 [pid 5976] <... set_robust_list resumed>) = 0 [pid 5975] <... prctl resumed>) = 0 [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5976] chdir("./72" [pid 5975] setpgid(0, 0 [pid 5972] close(5 [pid 5970] close(20 [pid 5032] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5968] close(15 [pid 5976] <... chdir resumed>) = 0 [pid 5975] <... setpgid resumed>) = 0 [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5976] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5975] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5972] close(6 [pid 5970] close(21 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5976] <... prctl resumed>) = 0 [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5976] setpgid(0, 0 [pid 5975] <... symlink resumed>) = 0 [pid 5972] close(7 [pid 5970] close(22 [pid 5968] close(16 [pid 5976] <... setpgid resumed>) = 0 [pid 5975] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... openat resumed>) = 3 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5976] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5975] <... symlink resumed>) = 0 [pid 5972] close(8 [pid 5970] close(23 [pid 5968] close(17 [pid 5032] fstat(3, [pid 5976] <... symlink resumed>) = 0 [pid 5975] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5976] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5972] close(9 [pid 5970] close(24 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5976] <... symlink resumed>) = 0 [pid 5975] <... symlink resumed>) = 0 [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] close(18 [pid 5032] getdents64(3, [pid 5976] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5972] close(10 [pid 5970] close(25 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5976] <... symlink resumed>) = 0 [pid 5975] <... openat resumed>) = 3 [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] close(19 [pid 5032] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5975] write(3, "1000", 4 [pid 5972] close(11 [pid 5970] close(26 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5976] <... openat resumed>) = 3 [pid 5975] <... write resumed>) = 4 [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] close(20 [pid 5032] lstat("./75/binderfs", [pid 5976] write(3, "1000", 4 [pid 5975] close(3 [pid 5972] close(12 [pid 5970] close(27 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5976] <... write resumed>) = 4 [pid 5975] <... close resumed>) = 0 [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] close(21 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5976] close(3 [pid 5975] read(200, [pid 5972] close(13 [pid 5970] close(28 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./75/binderfs" [pid 5976] <... close resumed>) = 0 [pid 5975] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] close(22 [pid 5976] read(200, [pid 5975] symlink("/dev/binderfs", "./binderfs" [pid 5972] close(14 [pid 5970] close(29 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5976] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5975] <... symlink resumed>) = 0 [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] close(23 [pid 5976] 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 5975] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] close(15 [pid 5970] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./75/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5976] <... symlink resumed>) = 0 [pid 5975] <... futex resumed>) = 0 [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5970] <... write resumed>) = 335 [pid 5968] close(24 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5976] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5972] close(16 [pid 5970] exit_group(0 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./75/cgroup.net", [pid 5976] <... futex resumed>) = 0 [pid 5975] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5971] <... futex resumed>) = ? [pid 5970] <... exit_group resumed>) = ? [pid 5968] close(25 [pid 5976] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5975] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5972] close(17 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5976] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5975] <... mprotect resumed>) = 0 [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] close(26 [pid 5976] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5975] 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 5972] close(18 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./75/cgroup.net"./strace-static-x86_64: Process 5977 attached [pid 5976] <... mprotect resumed>) = 0 [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] close(27 [pid 5977] set_robust_list(0x7f4e92bc39e0, 24 [pid 5976] 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 5975] <... clone resumed>, parent_tid=[159], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 159 [pid 5972] close(19 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5978 attached [pid 5977] <... set_robust_list resumed>) = 0 [pid 5975] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5971] +++ exited with 0 +++ [pid 5970] +++ exited with 0 +++ [pid 5968] close(28 [pid 5032] umount2("./75/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5978] set_robust_list(0x7f4e92bc39e0, 24 [pid 5977] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5976] <... clone resumed>, parent_tid=[147], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 147 [pid 5975] <... futex resumed>) = 0 [pid 5972] close(20 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5978] <... set_robust_list resumed>) = 0 [pid 5977] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5976] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] close(29 [pid 5032] lstat("./75/cgroup.cpu", [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=150, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5978] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5977] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... futex resumed>) = 0 [pid 5972] close(21 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5978] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5977] <... futex resumed>) = 1 [pid 5976] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5975] <... futex resumed>) = 0 [pid 5972] <... 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 5968] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] unlink("./75/cgroup.cpu" [pid 5978] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5975] close(3 [pid 5972] close(22 [pid 5968] <... write resumed>) = 335 [pid 5032] <... unlink resumed>) = 0 [pid 5978] <... futex resumed>) = 0 [pid 5976] close(3 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] exit_group(0 [pid 5032] umount2("./75/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5978] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] close(4 [pid 5973] <... futex resumed>) = ? [pid 5972] close(23 [pid 5968] <... exit_group resumed>) = ? [pid 5976] close(4 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5973] +++ exited with 0 +++ [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] close(5 [pid 5972] close(24 [pid 5032] lstat("./75/cgroup", [pid 5031] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5968] +++ exited with 0 +++ [pid 5976] close(5 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] close(6 [pid 5972] close(25 [pid 5032] unlink("./75/cgroup" [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5976] close(6 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=144, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] close(7 [pid 5972] close(26 [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... openat resumed>) = 3 [pid 5028] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5976] close(7 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] getdents64(3, [pid 5031] fstat(3, [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] close(8 [pid 5972] close(27 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5976] close(8 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] close(3 [pid 5031] getdents64(3, [pid 5028] <... openat resumed>) = 3 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] close(9 [pid 5972] close(28 [pid 5032] <... close resumed>) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] fstat(3, [pid 5976] close(9 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] close(10 [pid 5972] close(29 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] getdents64(3, [pid 5976] close(10 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./74/binderfs", [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 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 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] close(11 [pid 5972] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] rmdir("./75" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5976] close(11 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5972] <... write resumed>) = 335 [pid 5031] unlink("./74/binderfs" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] close(12 [pid 5972] exit_group(0 [pid 5032] <... rmdir resumed>) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5028] lstat("./71/binderfs", [pid 5976] close(12 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5974] <... futex resumed>) = ? [pid 5972] <... exit_group resumed>) = ? [pid 5031] umount2("./74/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] close(13 [pid 5974] +++ exited with 0 +++ [pid 5972] +++ exited with 0 +++ [pid 5032] mkdir("./76", 0777 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./71/binderfs" [pid 5976] close(13 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... mkdir resumed>) = 0 [pid 5031] lstat("./74/cgroup.net", [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=146, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5028] <... unlink resumed>) = 0 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] close(14 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] umount2("./71/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5976] close(14 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./74/cgroup.net"./strace-static-x86_64: Process 5979 attached [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] close(15 [pid 5031] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5979] set_robust_list(0x55555580e6e0, 24 [pid 5976] close(15 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 154 [pid 5031] umount2("./74/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] lstat("./71/cgroup.net", [pid 5979] <... set_robust_list resumed>) = 0 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] close(16 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5979] chdir("./76" [pid 5976] close(16 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./74/cgroup.cpu", [pid 5029] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./71/cgroup.net" [pid 5979] <... chdir resumed>) = 0 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] close(17 [pid 5031] <... 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 5979] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5976] close(17 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./74/cgroup.cpu" [pid 5029] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] umount2("./71/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5979] <... prctl resumed>) = 0 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] close(18 [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... openat resumed>) = 3 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5979] setpgid(0, 0 [pid 5976] close(18 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./74/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] fstat(3, [pid 5028] lstat("./71/cgroup.cpu", [pid 5979] <... setpgid resumed>) = 0 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] close(19 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5979] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5976] close(19 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./74/cgroup", [pid 5029] getdents64(3, [pid 5028] unlink("./71/cgroup.cpu" [pid 5979] <... symlink resumed>) = 0 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] close(20 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] <... unlink resumed>) = 0 [pid 5979] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5976] close(20 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./74/cgroup" [pid 5029] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] umount2("./71/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5979] <... symlink resumed>) = 0 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] close(21 [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5979] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5976] close(21 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] getdents64(3, [pid 5029] lstat("./72/binderfs", [pid 5028] lstat("./71/cgroup", [pid 5979] <... symlink resumed>) = 0 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] close(22 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 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=23, ...}) = 0 [pid 5979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5976] close(22 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] close(3 [pid 5029] unlink("./72/binderfs" [pid 5028] unlink("./71/cgroup" [pid 5979] <... openat resumed>) = 3 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] close(23 [pid 5031] <... close resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5979] write(3, "1000", 4 [pid 5976] close(23 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] rmdir("./74" [pid 5029] umount2("./72/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] getdents64(3, [pid 5979] <... write resumed>) = 4 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] close(24 [pid 5031] <... rmdir resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5979] close(3 [pid 5976] close(24 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] mkdir("./75", 0777 [pid 5029] lstat("./72/cgroup.net", [pid 5028] close(3 [pid 5979] <... close resumed>) = 0 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] close(25 [pid 5031] <... mkdir resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... close resumed>) = 0 [pid 5979] read(200, [pid 5976] close(25 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] unlink("./72/cgroup.net" [pid 5028] rmdir("./71"./strace-static-x86_64: Process 5980 attached [pid 5979] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] close(26 [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... rmdir resumed>) = 0 [pid 5980] set_robust_list(0x55555580e6e0, 24 [pid 5979] symlink("/dev/binderfs", "./binderfs" [pid 5976] close(26 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 152 [pid 5029] umount2("./72/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] mkdir("./72", 0777 [pid 5980] <... set_robust_list resumed>) = 0 [pid 5979] <... symlink resumed>) = 0 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] close(27 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... mkdir resumed>) = 0 [pid 5980] chdir("./75" [pid 5979] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] close(27 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] lstat("./72/cgroup.cpu", [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5980] <... chdir resumed>) = 0 [pid 5979] <... futex resumed>) = 0 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] close(28 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] unlink("./72/cgroup.cpu" [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 146 ./strace-static-x86_64: Process 5981 attached [pid 5980] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5979] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5976] close(28 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... unlink resumed>) = 0 [pid 5981] set_robust_list(0x55555580e6e0, 24 [pid 5980] <... prctl resumed>) = 0 [pid 5979] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] close(29 [pid 5029] umount2("./72/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5981] <... set_robust_list resumed>) = 0 [pid 5980] setpgid(0, 0 [pid 5979] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5976] close(29 [pid 5975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5981] chdir("./72" [pid 5980] <... setpgid resumed>) = 0 [pid 5979] <... mprotect resumed>) = 0 [pid 5976] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5029] lstat("./72/cgroup", [pid 5981] <... chdir resumed>) = 0 [pid 5980] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5976] 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 5981] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5980] <... symlink resumed>) = 0 [pid 5979] 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 5976] <... write resumed>) = 335 [pid 5975] <... write resumed>) = 335 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 5982 attached [pid 5981] <... prctl resumed>) = 0 [pid 5980] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5976] exit_group(0 [pid 5975] exit_group(0 [pid 5029] unlink("./72/cgroup" [pid 5982] set_robust_list(0x7f4e92bc39e0, 24 [pid 5981] setpgid(0, 0 [pid 5980] <... symlink resumed>) = 0 [pid 5979] <... clone resumed>, parent_tid=[155], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 155 [pid 5978] <... futex resumed>) = ? [pid 5977] <... futex resumed>) = ? [pid 5976] <... exit_group resumed>) = ? [pid 5975] <... exit_group resumed>) = ? [pid 5982] <... set_robust_list resumed>) = 0 [pid 5981] <... setpgid resumed>) = 0 [pid 5980] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5979] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] +++ exited with 0 +++ [pid 5029] <... unlink resumed>) = 0 [pid 5982] socketpair(AF_UNIX, SOCK_STREAM, 0, NULL) = -1 EFAULT (Bad address) [pid 5982] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5977] +++ exited with 0 +++ [pid 5975] +++ exited with 0 +++ [pid 5982] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5981] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5980] <... symlink resumed>) = 0 [pid 5979] <... futex resumed>) = 0 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=158, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5029] getdents64(3, [pid 5981] <... symlink resumed>) = 0 [pid 5980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5979] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5981] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5980] <... openat resumed>) = 3 [pid 5979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5981] <... symlink resumed>) = 0 [pid 5980] write(3, "1000", 4 [pid 5979] close(3 [pid 5976] +++ exited with 0 +++ [pid 5033] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] close(3 [pid 5981] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5980] <... write resumed>) = 4 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=146, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5029] <... close resumed>) = 0 [pid 5981] <... symlink resumed>) = 0 [pid 5029] rmdir("./72" [pid 5981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5980] close(3 [pid 5979] close(4 [pid 5033] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5981] <... openat resumed>) = 3 [pid 5980] <... close resumed>) = 0 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... openat resumed>) = 3 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... rmdir resumed>) = 0 [pid 5981] write(3, "1000", 4 [pid 5980] read(200, [pid 5979] close(5 [pid 5033] fstat(3, [pid 5030] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] mkdir("./73", 0777 [pid 5981] <... write resumed>) = 4 [pid 5980] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] <... openat resumed>) = 3 [pid 5029] <... mkdir resumed>) = 0 [pid 5981] close(3 [pid 5980] symlink("/dev/binderfs", "./binderfs" [pid 5979] close(6 [pid 5033] getdents64(3, [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5981] <... close resumed>) = 0 [pid 5980] <... symlink resumed>) = 0 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] fstat(3, ./strace-static-x86_64: Process 5983 attached [pid 5981] read(200, [pid 5980] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] close(7 [pid 5033] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5983] set_robust_list(0x55555580e6e0, 24 [pid 5981] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5980] <... futex resumed>) = 0 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 148 [pid 5983] <... set_robust_list resumed>) = 0 [pid 5981] symlink("/dev/binderfs", "./binderfs" [pid 5980] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5979] close(8 [pid 5033] lstat("./78/binderfs", [pid 5983] chdir("./73" [pid 5981] <... symlink resumed>) = 0 [pid 5980] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] getdents64(3, [pid 5983] <... chdir resumed>) = 0 [pid 5981] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5979] close(9 [pid 5033] unlink("./78/binderfs" [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5983] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5981] <... futex resumed>) = 0 [pid 5980] <... mprotect resumed>) = 0 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5030] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5983] <... prctl resumed>) = 0 [pid 5981] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5980] 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 5979] close(10 [pid 5033] umount2("./78/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5984 attached [pid 5983] setpgid(0, 0 [pid 5981] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5984] set_robust_list(0x7f4e92bc39e0, 24 [pid 5983] <... setpgid resumed>) = 0 [pid 5981] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5980] <... clone resumed>, parent_tid=[153], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 153 [pid 5979] close(11 [pid 5033] lstat("./78/cgroup.net", [pid 5984] <... set_robust_list resumed>) = 0 [pid 5983] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5981] <... mprotect resumed>) = 0 [pid 5980] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] lstat("./72/binderfs", [pid 5984] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5983] <... symlink resumed>) = 0 [pid 5981] 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 5980] <... futex resumed>) = 0 [pid 5979] close(12 [pid 5033] unlink("./78/cgroup.net"./strace-static-x86_64: Process 5985 attached [pid 5984] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5983] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5980] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5985] set_robust_list(0x7f4e92bc39e0, 24 [pid 5984] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] <... symlink resumed>) = 0 [pid 5981] <... clone resumed>, parent_tid=[147], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 147 [pid 5980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5979] close(13 [pid 5033] umount2("./78/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] unlink("./72/binderfs" [pid 5985] <... set_robust_list resumed>) = 0 [pid 5984] <... futex resumed>) = 0 [pid 5983] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5981] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] close(3 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5985] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5984] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5981] <... futex resumed>) = 0 [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5979] close(14 [pid 5033] lstat("./78/cgroup.cpu", [pid 5030] <... unlink resumed>) = 0 [pid 5985] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5983] <... symlink resumed>) = 0 [pid 5981] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5980] close(4 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] umount2("./72/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5985] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5979] close(15 [pid 5033] unlink("./78/cgroup.cpu" [pid 5985] <... futex resumed>) = 0 [pid 5983] <... openat resumed>) = 3 [pid 5981] close(3 [pid 5980] close(5 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5985] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5983] write(3, "1000", 4 [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5979] close(16 [pid 5033] umount2("./78/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5981] close(4 [pid 5980] close(6 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5983] <... write resumed>) = 4 [pid 5030] lstat("./72/cgroup.net", [pid 5983] close(3 [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5979] close(17 [pid 5033] lstat("./78/cgroup", [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5983] <... close resumed>) = 0 [pid 5981] close(5 [pid 5980] close(7 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./72/cgroup.net" [pid 5983] read(200, [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5979] close(18 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 5983] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5981] close(6 [pid 5980] close(8 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./78/cgroup" [pid 5983] symlink("/dev/binderfs", "./binderfs" [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5979] close(19 [pid 5033] <... unlink resumed>) = 0 [pid 5030] umount2("./72/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5983] <... symlink resumed>) = 0 [pid 5981] close(7 [pid 5980] close(9 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5983] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5979] close(20 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] lstat("./72/cgroup.cpu", [pid 5983] <... futex resumed>) = 0 [pid 5981] close(8 [pid 5980] close(10 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5979] close(21 [pid 5033] <... close resumed>) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5981] close(9 [pid 5980] close(11 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] rmdir("./78" [pid 5030] unlink("./72/cgroup.cpu" [pid 5983] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5979] close(22 [pid 5033] <... rmdir resumed>) = 0 [pid 5983] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5981] close(10 [pid 5980] close(12 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./79", 0777 [pid 5030] <... unlink resumed>) = 0 [pid 5983] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5979] close(23 [pid 5033] <... mkdir resumed>) = 0 [pid 5981] close(11 [pid 5980] close(13 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] umount2("./72/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5983] <... mprotect resumed>) = 0 [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5979] close(24./strace-static-x86_64: Process 5986 attached [pid 5983] 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 5981] close(12 [pid 5980] close(14 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 160 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5987 attached [pid 5986] set_robust_list(0x55555580e6e0, 24 [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5979] close(25 [pid 5030] lstat("./72/cgroup", [pid 5987] set_robust_list(0x7f4e92bc39e0, 24 [pid 5986] <... set_robust_list resumed>) = 0 [pid 5981] close(13 [pid 5980] close(15 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] <... set_robust_list resumed>) = 0 [pid 5986] chdir("./79" [pid 5983] <... clone resumed>, parent_tid=[149], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 149 [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5979] close(26 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5987] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5986] <... chdir resumed>) = 0 [pid 5983] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] close(14 [pid 5980] close(16 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5986] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5983] <... futex resumed>) = 0 [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5979] close(27 [pid 5030] unlink("./72/cgroup" [pid 5987] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5986] <... prctl resumed>) = 0 [pid 5983] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5981] close(15 [pid 5980] close(17 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5986] setpgid(0, 0 [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5979] close(28 [pid 5030] <... unlink resumed>) = 0 [pid 5987] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] <... setpgid resumed>) = 0 [pid 5981] close(16 [pid 5980] close(18 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] <... futex resumed>) = 1 [pid 5986] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5983] <... futex resumed>) = 0 [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5979] close(29 [pid 5030] getdents64(3, [pid 5987] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5986] <... symlink resumed>) = 0 [pid 5983] close(3 [pid 5981] close(17 [pid 5980] close(19 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5986] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] close(3 [pid 5986] <... symlink resumed>) = 0 [pid 5983] close(4 [pid 5981] close(18 [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5979] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5030] <... 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 5986] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] close(20 [pid 5979] <... write resumed>) = 335 [pid 5030] rmdir("./72" [pid 5986] <... symlink resumed>) = 0 [pid 5983] close(5 [pid 5981] close(19 [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5979] exit_group(0 [pid 5030] <... rmdir resumed>) = 0 [pid 5986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5030] mkdir("./73", 0777 [pid 5986] <... openat resumed>) = 3 [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] <... futex resumed>) = ? [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] close(21 [pid 5979] <... exit_group resumed>) = ? [pid 5030] <... mkdir resumed>) = 0 [pid 5986] write(3, "1000", 4 [pid 5983] close(6 [pid 5982] +++ exited with 0 +++ [pid 5981] close(20 [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5988 attached [pid 5986] <... write resumed>) = 4 [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] close(22 [pid 5979] +++ exited with 0 +++ [pid 5988] set_robust_list(0x55555580e6e0, 24 [pid 5986] close(3 [pid 5983] close(7 [pid 5981] close(21 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 148 [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... set_robust_list resumed>) = 0 [pid 5986] <... close resumed>) = 0 [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] chdir("./73" [pid 5986] read(200, [pid 5983] close(8 [pid 5980] close(23 [pid 5981] close(22 [pid 5988] <... chdir resumed>) = 0 [pid 5986] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=154, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5988] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5986] symlink("/dev/binderfs", "./binderfs" [pid 5983] close(9 [pid 5981] close(23 [pid 5980] close(24 [pid 5988] <... prctl resumed>) = 0 [pid 5986] <... symlink resumed>) = 0 [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] setpgid(0, 0 [pid 5986] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] close(10 [pid 5981] close(24 [pid 5980] close(25 [pid 5988] <... setpgid resumed>) = 0 [pid 5986] <... futex resumed>) = 0 [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5983] close(11 [pid 5981] close(25 [pid 5980] close(26 [pid 5988] <... symlink resumed>) = 0 [pid 5986] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5986] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5983] close(12 [pid 5981] close(26 [pid 5980] close(27 [pid 5032] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5988] <... symlink resumed>) = 0 [pid 5986] <... mprotect resumed>) = 0 [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5986] 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 5983] close(13 [pid 5981] close(27 [pid 5980] close(28 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5989 attached [pid 5988] <... symlink resumed>) = 0 [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5989] set_robust_list(0x7f4e92bc39e0, 24 [pid 5988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5986] <... clone resumed>, parent_tid=[161], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 161 [pid 5983] close(14 [pid 5981] close(28 [pid 5980] close(29 [pid 5989] <... set_robust_list resumed>) = 0 [pid 5988] <... openat resumed>) = 3 [pid 5986] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... openat resumed>) = 3 [pid 5989] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5988] write(3, "1000", 4write 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 5986] <... futex resumed>) = 0 [pid 5983] close(15 [pid 5981] close(29 [pid 5980] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] fstat(3, [pid 5989] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5988] <... write resumed>) = 4 [pid 5986] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] <... write resumed>) = 335 [pid 5989] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] close(3 [pid 5986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5983] close(16 [pid 5981] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5980] exit_group(0 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5989] <... futex resumed>) = 0 [pid 5988] <... close resumed>) = 0 [pid 5986] close(3 [pid 5984] <... futex resumed>) = ? [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... write resumed>) = 335 [pid 5980] <... exit_group resumed>) = ? [pid 5032] getdents64(3, [pid 5989] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5988] read(200, [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5984] +++ exited with 0 +++ [pid 5983] close(17 [pid 5981] exit_group(0 [pid 5980] +++ exited with 0 +++ [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5988] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5986] close(4 [pid 5985] <... futex resumed>) = ? [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... exit_group resumed>) = ? [pid 5032] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5988] symlink("/dev/binderfs", "./binderfs" [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5985] +++ exited with 0 +++ [pid 5983] close(18 [pid 5981] +++ exited with 0 +++ [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=152, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5988] <... symlink resumed>) = 0 [pid 5986] close(5 [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./76/binderfs", [pid 5988] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] close(19 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=146, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5988] <... futex resumed>) = 0 [pid 5986] close(6 [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./76/binderfs" [pid 5988] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] close(20 [pid 5032] <... unlink resumed>) = 0 [pid 5031] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5988] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5986] close(7 [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./76/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5988] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] close(21 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5988] <... mprotect resumed>) = 0 [pid 5986] close(8 [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./76/cgroup.net", [pid 5031] <... openat resumed>) = 3 [pid 5028] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5988] 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 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] close(22 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] fstat(3, [pid 5028] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5990 attached [pid 5986] close(9 [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./76/cgroup.net" [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] fstat(3, [pid 5990] set_robust_list(0x7f4e92bc39e0, 24 [pid 5988] <... clone resumed>, parent_tid=[149], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 149 [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] close(23 [pid 5032] <... unlink resumed>) = 0 [pid 5031] getdents64(3, [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5990] <... set_robust_list resumed>) = 0 [pid 5988] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] close(10 [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./76/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] getdents64(3, [pid 5988] <... futex resumed>) = 0 [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] close(24 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5988] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5986] close(11 [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./76/cgroup.cpu", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] close(25 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] lstat("./75/binderfs", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5990] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5986] close(12 [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./76/cgroup.cpu" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] lstat("./72/binderfs", [pid 5990] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] close(26 [pid 5032] <... unlink resumed>) = 0 [pid 5031] unlink("./75/binderfs" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5990] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] close(13 [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./76/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... unlink resumed>) = 0 [pid 5028] unlink("./72/binderfs" [pid 5990] <... futex resumed>) = 1 [pid 5988] <... futex resumed>) = 0 [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] close(27 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./75/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 [pid 5990] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5988] close(3 [pid 5986] close(14 [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./76/cgroup", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./72/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] close(28 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] lstat("./75/cgroup.net", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5988] close(4 [pid 5986] close(15 [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./76/cgroup" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] lstat("./72/cgroup.net", [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] close(29 [pid 5032] <... unlink resumed>) = 0 [pid 5031] unlink("./75/cgroup.net" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5988] close(5 [pid 5986] close(16 [pid 5983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] getdents64(3, [pid 5031] <... unlink resumed>) = 0 [pid 5028] unlink("./72/cgroup.net" [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] 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 /* 0 entries */, 32768) = 0 [pid 5031] umount2("./75/cgroup.cpu", 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 5988] close(6 [pid 5986] close(17 [pid 5983] <... write resumed>) = 335 [pid 5032] close(3 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5983] exit_group(0 [pid 5032] <... close resumed>) = 0 [pid 5032] rmdir("./76" [pid 5988] close(7 [pid 5032] <... rmdir resumed>) = 0 [pid 5031] lstat("./75/cgroup.cpu", [pid 5986] close(18 [pid 5028] umount2("./72/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] <... futex resumed>) = ? [pid 5983] <... exit_group resumed>) = ? [pid 5032] mkdir("./77", 0777 [pid 5988] close(8 [pid 5987] +++ exited with 0 +++ [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... mkdir resumed>) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5991 attached [pid 5986] close(19 [pid 5983] +++ exited with 0 +++ [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] unlink("./75/cgroup.cpu" [pid 5991] set_robust_list(0x55555580e6e0, 24 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 156 [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] lstat("./72/cgroup.cpu", [pid 5988] close(9 [pid 5991] <... set_robust_list resumed>) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5991] chdir("./77" [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] close(20 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5991] <... chdir resumed>) = 0 [pid 5988] close(10 [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./75/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5991] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] close(21 [pid 5028] unlink("./72/cgroup.cpu" [pid 5991] <... prctl resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5991] setpgid(0, 0 [pid 5988] close(11 [pid 5028] <... unlink resumed>) = 0 [pid 5991] <... setpgid resumed>) = 0 [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./75/cgroup", [pid 5991] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=148, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5028] umount2("./72/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5991] <... symlink resumed>) = 0 [pid 5988] close(12 [pid 5986] close(22 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5991] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] lstat("./72/cgroup", [pid 5991] <... symlink resumed>) = 0 [pid 5988] close(13 [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./75/cgroup" [pid 5029] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5991] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] close(23 [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./72/cgroup" [pid 5991] <... symlink resumed>) = 0 [pid 5988] close(14 [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] getdents64(3, [pid 5029] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] <... unlink resumed>) = 0 [pid 5991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] close(24 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] <... openat resumed>) = 3 [pid 5028] getdents64(3, [pid 5991] <... openat resumed>) = 3 [pid 5988] close(15 [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] close(3 [pid 5029] fstat(3, [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5991] write(3, "1000", 4 [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5986] close(25 [pid 5028] close(3 [pid 5991] <... write resumed>) = 4 [pid 5988] close(16 [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... close resumed>) = 0 [pid 5029] getdents64(3, [pid 5028] <... close resumed>) = 0 [pid 5991] close(3 [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] close(26 [pid 5031] rmdir("./75" [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] rmdir("./72" [pid 5991] <... close resumed>) = 0 [pid 5029] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... rmdir resumed>) = 0 [pid 5991] read(200, [pid 5988] close(17 [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] mkdir("./73", 0777 [pid 5991] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] close(27 [pid 5031] <... rmdir resumed>) = 0 [pid 5029] lstat("./73/binderfs", [pid 5028] <... mkdir resumed>) = 0 [pid 5991] symlink("/dev/binderfs", "./binderfs" [pid 5988] close(18 [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] mkdir("./76", 0777 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5991] <... symlink resumed>) = 0 [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] close(28 [pid 5031] <... mkdir resumed>) = 0 [pid 5029] unlink("./73/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 ./strace-static-x86_64: Process 5992 attached [pid 5991] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] close(19 [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] <... unlink resumed>) = 0 [pid 5992] set_robust_list(0x55555580e6e0, 24 [pid 5991] <... futex resumed>) = 0 [pid 5029] umount2("./73/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 148 [pid 5992] <... set_robust_list resumed>) = 0 [pid 5991] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5992] chdir("./73" [pid 5991] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] close(29 [pid 5029] lstat("./73/cgroup.net", [pid 5992] <... chdir resumed>) = 0 [pid 5991] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5988] close(20 [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5991] <... mprotect resumed>) = 0 [pid 5029] unlink("./73/cgroup.net" [pid 5992] <... prctl resumed>) = 0 [pid 5991] 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 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5029] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5994 attached ./strace-static-x86_64: Process 5993 attached [pid 5992] setpgid(0, 0 [pid 5988] close(21 [pid 5986] <... write resumed>) = 335 [pid 5029] umount2("./73/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5994] set_robust_list(0x7f4e92bc39e0, 24 [pid 5993] set_robust_list(0x55555580e6e0, 24 [pid 5992] <... setpgid resumed>) = 0 [pid 5991] <... clone resumed>, parent_tid=[157], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 157 [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] exit_group(0 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 154 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5994] <... set_robust_list resumed>) = 0 [pid 5993] <... set_robust_list resumed>) = 0 [pid 5992] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5991] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... futex resumed>) = ? [pid 5988] close(22 [pid 5986] <... exit_group resumed>) = ? [pid 5029] lstat("./73/cgroup.cpu", [pid 5994] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5993] chdir("./76" [pid 5992] <... symlink resumed>) = 0 [pid 5991] <... futex resumed>) = 0 [pid 5989] +++ exited with 0 +++ [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5994] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5993] <... chdir resumed>) = 0 [pid 5992] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5991] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5029] unlink("./73/cgroup.cpu" [pid 5994] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5992] <... symlink resumed>) = 0 [pid 5991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5988] close(23 [pid 5029] <... unlink resumed>) = 0 [pid 5994] <... futex resumed>) = 0 [pid 5993] <... prctl resumed>) = 0 [pid 5992] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5991] close(3 [pid 5986] +++ exited with 0 +++ [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] umount2("./73/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5994] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5993] setpgid(0, 0 [pid 5992] <... symlink resumed>) = 0 [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] close(24 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=160, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5993] <... setpgid resumed>) = 0 [pid 5992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5991] close(4 [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] lstat("./73/cgroup", [pid 5993] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5992] <... openat resumed>) = 3 [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5993] <... symlink resumed>) = 0 [pid 5992] write(3, "1000", 4 [pid 5991] close(5 [pid 5988] close(25 [pid 5993] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5992] <... write resumed>) = 4 [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] unlink("./73/cgroup" [pid 5993] <... symlink resumed>) = 0 [pid 5992] close(3 [pid 5991] close(6 [pid 5988] close(26 [pid 5029] <... unlink resumed>) = 0 [pid 5993] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5992] <... close resumed>) = 0 [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] getdents64(3, [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... symlink resumed>) = 0 [pid 5992] read(200, [pid 5991] close(7 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5992] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] close(27 [pid 5033] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] close(3 [pid 5993] <... openat resumed>) = 3 [pid 5992] symlink("/dev/binderfs", "./binderfs" [pid 5991] close(8 [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... close resumed>) = 0 [pid 5993] write(3, "1000", 4 [pid 5992] <... symlink resumed>) = 0 [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] close(28 [pid 5033] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] rmdir("./73" [pid 5993] <... write resumed>) = 4 [pid 5992] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] close(9 [pid 5029] <... rmdir resumed>) = 0 [pid 5993] close(3 [pid 5992] <... futex resumed>) = 0 [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... openat resumed>) = 3 [pid 5029] mkdir("./74", 0777 [pid 5993] <... close resumed>) = 0 [pid 5992] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5991] close(10 [pid 5988] close(29 [pid 5029] <... 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 5993] read(200, [pid 5992] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5995 attached [pid 5993] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5992] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5991] close(11 [pid 5995] set_robust_list(0x55555580e6e0, 24 [pid 5993] symlink("/dev/binderfs", "./binderfs" [pid 5992] <... mprotect resumed>) = 0 [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] 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 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 150 [pid 5995] <... set_robust_list resumed>) = 0 [pid 5993] <... symlink resumed>) = 0 [pid 5992] 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 5991] close(12 [pid 5988] <... write resumed>) = 335 [pid 5033] getdents64(3, ./strace-static-x86_64: Process 5996 attached [pid 5995] chdir("./74" [pid 5993] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] exit_group(0 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5996] set_robust_list(0x7f4e92bc39e0, 24 [pid 5995] <... chdir resumed>) = 0 [pid 5993] <... futex resumed>) = 0 [pid 5992] <... clone resumed>, parent_tid=[149], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 149 [pid 5991] close(13 [pid 5990] <... futex resumed>) = ? [pid 5988] <... exit_group resumed>) = ? [pid 5033] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5996] <... set_robust_list resumed>) = 0 [pid 5995] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5993] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5992] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] +++ exited with 0 +++ [pid 5996] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5995] <... prctl resumed>) = 0 [pid 5993] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5992] <... futex resumed>) = 0 [pid 5991] close(14 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5996] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5995] setpgid(0, 0 [pid 5993] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5992] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./79/binderfs", [pid 5996] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... setpgid resumed>) = 0 [pid 5993] <... mprotect resumed>) = 0 [pid 5992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5991] close(15 [pid 5988] +++ exited with 0 +++ [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5996] <... futex resumed>) = 0 [pid 5995] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5993] 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 5992] close(3 [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./79/binderfs" [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=148, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 5997 attached [pid 5996] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] <... symlink resumed>) = 0 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5991] close(16 [pid 5033] <... unlink resumed>) = 0 [pid 5030] restart_syscall(<... resuming interrupted clone ...> [pid 5997] set_robust_list(0x7f4e92bc39e0, 24 [pid 5995] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5993] <... clone resumed>, parent_tid=[155], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 155 [pid 5992] close(4 [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./79/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... restart_syscall resumed>) = 0 [pid 5997] <... set_robust_list resumed>) = 0 [pid 5995] <... symlink resumed>) = 0 [pid 5993] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5991] close(17 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5997] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5995] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5993] <... futex resumed>) = 0 [pid 5992] close(5 [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./79/cgroup.net", [pid 5997] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5995] <... symlink resumed>) = 0 [pid 5993] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5991] close(18 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5997] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5992] close(6 [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./79/cgroup.net" [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5997] <... futex resumed>) = 0 [pid 5995] <... openat resumed>) = 3 [pid 5993] close(3 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5991] close(19 [pid 5033] <... unlink resumed>) = 0 [pid 5030] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5997] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] write(3, "1000", 4 [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] close(7 [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./79/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... openat resumed>) = 3 [pid 5995] <... write resumed>) = 4 [pid 5993] close(4 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5991] close(20 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] fstat(3, [pid 5995] close(3 [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] close(8 [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./79/cgroup.cpu", [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5995] <... close resumed>) = 0 [pid 5993] close(5 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5991] close(21 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] getdents64(3, [pid 5995] read(200, [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] close(9 [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./79/cgroup.cpu" [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5995] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5993] close(6 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5991] close(22 [pid 5033] <... unlink resumed>) = 0 [pid 5030] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5995] symlink("/dev/binderfs", "./binderfs" [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] close(10 [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./79/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5995] <... symlink resumed>) = 0 [pid 5993] close(7 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5991] close(23 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] lstat("./73/binderfs", [pid 5995] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] close(11 [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./79/cgroup", [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5995] <... futex resumed>) = 0 [pid 5993] close(8 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5991] close(24 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] unlink("./73/binderfs" [pid 5995] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] close(12 [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./79/cgroup" [pid 5030] <... unlink resumed>) = 0 [pid 5995] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5993] close(9 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5991] close(25 [pid 5033] <... unlink resumed>) = 0 [pid 5030] umount2("./73/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5995] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] close(13 [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5995] <... mprotect resumed>) = 0 [pid 5993] close(10 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5991] close(26 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] lstat("./73/cgroup.net", [pid 5995] 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 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] close(14 [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5998 attached [pid 5993] close(11 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5991] close(27 [pid 5033] <... close resumed>) = 0 [pid 5998] set_robust_list(0x7f4e92bc39e0, 24 [pid 5995] <... clone resumed>, parent_tid=[151], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 151 [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] close(15 [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] rmdir("./79" [pid 5030] unlink("./73/cgroup.net" [pid 5998] <... set_robust_list resumed>) = 0 [pid 5995] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] close(12 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5991] close(28 [pid 5033] <... rmdir resumed>) = 0 [pid 5998] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5995] <... futex resumed>) = 0 [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] close(16 [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./80", 0777 [pid 5030] <... unlink resumed>) = 0 [pid 5998] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5995] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5993] close(13 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5991] close(29 [pid 5033] <... mkdir resumed>) = 0 [pid 5998] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./73/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5998] <... futex resumed>) = 0 [pid 5995] close(3 [pid 5993] close(14 [pid 5992] close(17 [pid 5991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5998] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5991] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5993] close(15 [pid 5995] close(4 [pid 5992] close(18 [pid 5991] <... write resumed>) = 335 [pid 5030] lstat("./73/cgroup.cpu", 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 5999 attached [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5991] exit_group(0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5995] close(5 [pid 5993] close(16 [pid 5992] close(19 [pid 5991] <... exit_group resumed>) = ? [pid 5994] <... futex resumed>) = ? [pid 5030] unlink("./73/cgroup.cpu") = 0 [pid 5030] umount2("./73/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] +++ exited with 0 +++ [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] lstat("./73/cgroup", [pid 5999] set_robust_list(0x55555580e6e0, 24 [pid 5995] close(6 [pid 5993] close(17 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5991] +++ exited with 0 +++ [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 162 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5999] <... set_robust_list resumed>) = 0 [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] close(20 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=156, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5030] unlink("./73/cgroup" [pid 5999] chdir("./80" [pid 5995] close(7 [pid 5993] close(18 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 5999] <... chdir resumed>) = 0 [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] close(21 [pid 5030] getdents64(3, [pid 5999] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5995] close(8 [pid 5993] close(19 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] <... prctl resumed>) = 0 [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] close(22 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5999] setpgid(0, 0 [pid 5995] close(9 [pid 5993] close(20 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] close(3 [pid 5999] <... setpgid resumed>) = 0 [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] close(23 [pid 5032] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... close resumed>) = 0 [pid 5999] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5995] close(10 [pid 5993] close(21 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] rmdir("./73" [pid 5999] <... symlink resumed>) = 0 [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] close(24 [pid 5032] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5999] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5995] close(11 [pid 5993] close(22 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... openat resumed>) = 3 [pid 5030] <... rmdir resumed>) = 0 [pid 5999] <... symlink resumed>) = 0 [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] close(25 [pid 5999] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5995] close(12 [pid 5993] close(23 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] fstat(3, [pid 5030] mkdir("./74", 0777 [pid 5999] <... symlink resumed>) = 0 [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] close(26 [pid 5999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5995] close(13 [pid 5993] close(24 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] <... mkdir resumed>) = 0 [pid 5999] <... openat resumed>) = 3 [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] close(27 [pid 5999] write(3, "1000", 4 [pid 5995] close(14 [pid 5993] close(25 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] <... write resumed>) = 4 [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] close(28 [pid 5999] close(3 [pid 5995] close(15 [pid 5993] close(26 [pid 5992] <... 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 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5999] <... close resumed>) = 0 [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] close(29 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5999] read(200, [pid 5995] close(16 [pid 5993] close(27 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5999] symlink("/dev/binderfs", "./binderfs" [pid 5995] close(17 [pid 5993] close(28 [pid 5992] <... write resumed>) = 335 [pid 5032] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5999] <... symlink resumed>) = 0 [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] exit_group(0./strace-static-x86_64: Process 6000 attached [pid 5999] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] <... futex resumed>) = ? [pid 5995] close(18 [pid 5993] close(29 [pid 5992] <... exit_group resumed>) = ? [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6000] set_robust_list(0x55555580e6e0, 24 [pid 5999] <... futex resumed>) = 0 [pid 5996] +++ exited with 0 +++ [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] +++ 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 5032] lstat("./77/binderfs", [pid 6000] <... set_robust_list resumed>) = 0 [pid 5999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5995] close(19 [pid 5993] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 150 [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=148, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6000] chdir("./74" [pid 5999] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... write resumed>) = 335 [pid 6000] <... chdir resumed>) = 0 [pid 5999] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5995] close(20 [pid 5993] exit_group(0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6000] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5999] <... mprotect resumed>) = 0 [pid 5997] <... futex resumed>) = ? [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... exit_group resumed>) = ? [pid 6000] <... prctl resumed>) = 0 [pid 5999] 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 5997] +++ exited with 0 +++ [pid 5995] close(21 [pid 5993] +++ exited with 0 +++ [pid 5032] unlink("./77/binderfs"./strace-static-x86_64: Process 6001 attached [pid 6000] setpgid(0, 0 [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=154, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6001] set_robust_list(0x7f4e92bc39e0, 24 [pid 6000] <... setpgid resumed>) = 0 [pid 5999] <... clone resumed>, parent_tid=[163], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 163 [pid 5995] close(22 [pid 5032] umount2("./77/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6001] <... set_robust_list resumed>) = 0 [pid 6000] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5999] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6001] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6000] <... symlink resumed>) = 0 [pid 5999] <... futex resumed>) = 0 [pid 5995] close(23 [pid 5028] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6001] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6000] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5999] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./77/cgroup.net", [pid 5031] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... openat resumed>) = 3 [pid 6001] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] <... symlink resumed>) = 0 [pid 5999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5995] close(24 [pid 5028] fstat(3, [pid 6001] <... futex resumed>) = 0 [pid 6000] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5999] close(3 [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6001] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6000] <... symlink resumed>) = 0 [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] close(25 [pid 5028] getdents64(3, [pid 6000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5999] close(4 [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./77/cgroup.net" [pid 5031] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6000] <... openat resumed>) = 3 [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] close(26 [pid 5028] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6000] write(3, "1000", 4 [pid 5999] close(5 [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... openat resumed>) = 3 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6000] <... write resumed>) = 4 [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] close(27 [pid 5028] lstat("./73/binderfs", [pid 6000] close(3 [pid 5999] close(6 [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./77/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] fstat(3, [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6000] <... close resumed>) = 0 [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] close(28 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6000] read(200, [pid 5999] close(7 [pid 5032] lstat("./77/cgroup.cpu", [pid 5031] getdents64(3, [pid 5028] unlink("./73/binderfs" [pid 6000] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] <... unlink resumed>) = 0 [pid 6000] symlink("/dev/binderfs", "./binderfs" [pid 5999] close(8 [pid 5995] close(29 [pid 5032] unlink("./77/cgroup.cpu" [pid 5028] umount2("./73/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6000] <... symlink resumed>) = 0 [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [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 6000] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] close(9 [pid 5995] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] umount2("./77/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./73/cgroup.net", [pid 6000] <... futex resumed>) = 0 [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... write resumed>) = 335 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6000] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5999] close(10 [pid 5995] exit_group(0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] lstat("./76/binderfs", [pid 5028] unlink("./73/cgroup.net" [pid 6000] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5998] <... futex resumed>) = ? [pid 5995] <... exit_group resumed>) = ? [pid 5032] lstat("./77/cgroup", [pid 5028] <... unlink resumed>) = 0 [pid 6000] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5999] close(11 [pid 5998] +++ exited with 0 +++ [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] umount2("./73/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6000] <... mprotect resumed>) = 0 [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./77/cgroup" [pid 5031] unlink("./76/binderfs" [pid 6000] 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 5999] close(12 [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6002 attached [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] getdents64(3, [pid 5031] umount2("./76/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5995] +++ exited with 0 +++ [pid 6002] set_robust_list(0x7f4e92bc39e0, 24 [pid 6000] <... clone resumed>, parent_tid=[151], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 151 [pid 5999] close(13 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./73/cgroup.cpu", [pid 6002] <... set_robust_list resumed>) = 0 [pid 6000] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] close(3 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6002] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6000] <... futex resumed>) = 0 [pid 5999] close(14 [pid 5032] <... close resumed>) = 0 [pid 5031] lstat("./76/cgroup.net", [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=150, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5028] unlink("./73/cgroup.cpu" [pid 6002] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6000] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] rmdir("./77" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6002] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] close(15 [pid 5032] <... rmdir resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6002] <... futex resumed>) = 1 [pid 6000] <... futex resumed>) = 0 [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./76/cgroup.net" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./73/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6002] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6000] close(3 [pid 5999] close(16 [pid 5032] mkdir("./78", 0777 [pid 5031] <... unlink resumed>) = 0 [pid 5029] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] lstat("./73/cgroup", [pid 6000] close(4 [pid 5999] close(17 [pid 5032] <... mkdir resumed>) = 0 [pid 5031] umount2("./76/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... openat resumed>) = 3 [pid 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] fstat(3, [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 6003 attached [pid 6000] close(5 [pid 5999] close(18 [pid 5031] lstat("./76/cgroup.cpu", [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6003] set_robust_list(0x55555580e6e0, 24 [pid 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 158 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] getdents64(3, [pid 5028] unlink("./73/cgroup" [pid 6003] <... set_robust_list resumed>) = 0 [pid 6000] close(6 [pid 5999] close(19 [pid 5031] unlink("./76/cgroup.cpu" [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6003] chdir("./78" [pid 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5029] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 [pid 6003] <... chdir resumed>) = 0 [pid 6000] close(7 [pid 5999] close(20 [pid 5031] umount2("./76/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6003] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./74/binderfs", [pid 5028] getdents64(3, [pid 6003] <... prctl resumed>) = 0 [pid 6000] close(8 [pid 5999] close(21 [pid 5031] lstat("./76/cgroup", [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6003] setpgid(0, 0 [pid 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] unlink("./74/binderfs" [pid 6003] <... setpgid resumed>) = 0 [pid 6000] close(9 [pid 5999] close(22 [pid 5031] unlink("./76/cgroup" [pid 5029] <... unlink resumed>) = 0 [pid 5028] close(3 [pid 6003] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... close resumed>) = 0 [pid 6003] <... symlink resumed>) = 0 [pid 6000] close(10 [pid 5999] close(23 [pid 5031] <... unlink resumed>) = 0 [pid 5029] umount2("./74/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] rmdir("./73" [pid 6003] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] getdents64(3, [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... rmdir resumed>) = 0 [pid 6003] <... symlink resumed>) = 0 [pid 6000] close(11 [pid 5999] close(24 [pid 5028] mkdir("./74", 0777 [pid 6003] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] lstat("./74/cgroup.net", [pid 5028] <... mkdir resumed>) = 0 [pid 6003] <... symlink resumed>) = 0 [pid 6000] close(12 [pid 5999] close(25 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6004 attached [pid 6003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] close(3 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6004] set_robust_list(0x55555580e6e0, 24 [pid 6003] <... openat resumed>) = 3 [pid 6000] close(13 [pid 5999] close(26 [pid 6004] <... set_robust_list resumed>) = 0 [pid 6003] write(3, "1000", 4 [pid 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... close resumed>) = 0 [pid 5029] unlink("./74/cgroup.net" [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 150 [pid 6004] chdir("./74" [pid 6003] <... write resumed>) = 4 [pid 6000] close(14 [pid 5999] close(27 [pid 5031] rmdir("./76" [pid 6004] <... chdir resumed>) = 0 [pid 6003] close(3 [pid 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... unlink resumed>) = 0 [pid 6004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6003] <... close resumed>) = 0 [pid 6000] close(15 [pid 5999] close(28 [pid 5031] <... rmdir resumed>) = 0 [pid 6004] <... prctl resumed>) = 0 [pid 6003] read(200, [pid 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] mkdir("./77", 0777 [pid 5029] umount2("./74/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6004] setpgid(0, 0 [pid 6003] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6000] close(16 [pid 5999] close(29 [pid 6004] <... setpgid resumed>) = 0 [pid 6003] symlink("/dev/binderfs", "./binderfs" [pid 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6004] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6003] <... 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 6000] close(17 [pid 5999] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6004] <... symlink resumed>) = 0 [pid 6003] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] <... write resumed>) = 335 [pid 5031] <... mkdir resumed>) = 0 [pid 5029] lstat("./74/cgroup.cpu", [pid 6004] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6003] <... futex resumed>) = 0 [pid 6000] close(18 [pid 5999] exit_group(0 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6005 attached [pid 6004] <... symlink resumed>) = 0 [pid 6003] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6001] <... futex resumed>) = ? [pid 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] <... exit_group resumed>) = ? [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6005] set_robust_list(0x55555580e6e0, 24 [pid 6004] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6003] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6001] +++ exited with 0 +++ [pid 6000] close(19 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 156 [pid 6005] <... set_robust_list resumed>) = 0 [pid 6004] <... symlink resumed>) = 0 [pid 6003] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] +++ exited with 0 +++ [pid 6005] chdir("./77" [pid 6004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6003] <... mprotect resumed>) = 0 [pid 6000] close(20 [pid 5029] unlink("./74/cgroup.cpu" [pid 6005] <... chdir resumed>) = 0 [pid 6004] <... openat resumed>) = 3 [pid 6003] 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 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=162, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- ./strace-static-x86_64: Process 6006 attached [pid 6005] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6004] write(3, "1000", 4 [pid 6000] close(21 [pid 5033] restart_syscall(<... resuming interrupted clone ...> [pid 5029] <... unlink resumed>) = 0 [pid 6006] set_robust_list(0x7f4e92bc39e0, 24 [pid 6005] <... prctl resumed>) = 0 [pid 6004] <... write resumed>) = 4 [pid 6003] <... clone resumed>, parent_tid=[159], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 159 [pid 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... restart_syscall resumed>) = 0 [pid 6006] <... set_robust_list resumed>) = 0 [pid 6005] setpgid(0, 0 [pid 6004] close(3 [pid 6003] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] close(22 [pid 5029] umount2("./74/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6006] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6005] <... setpgid resumed>) = 0 [pid 6004] <... close resumed>) = 0 [pid 6003] <... futex resumed>) = 0 [pid 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6006] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6005] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6004] read(200, [pid 6003] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6000] close(23 [pid 5033] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6006] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... symlink resumed>) = 0 [pid 6004] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6006] <... futex resumed>) = 0 [pid 6005] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6004] symlink("/dev/binderfs", "./binderfs" [pid 6003] close(3 [pid 6000] close(24 [pid 5033] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6006] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6005] <... symlink resumed>) = 0 [pid 6004] <... symlink resumed>) = 0 [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... openat resumed>) = 3 [pid 5029] lstat("./74/cgroup", [pid 6005] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6004] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] close(4 [pid 6000] close(25 [pid 5033] fstat(3, [pid 6005] <... symlink resumed>) = 0 [pid 6004] <... futex resumed>) = 0 [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6003] close(5 [pid 6000] close(26 [pid 5033] getdents64(3, [pid 6005] <... openat resumed>) = 3 [pid 6004] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] unlink("./74/cgroup" [pid 6005] write(3, "1000", 4 [pid 6004] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6003] close(6 [pid 6000] close(27 [pid 5033] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6005] <... write resumed>) = 4 [pid 6004] <... mprotect resumed>) = 0 [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 6005] close(3 [pid 6004] 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 6003] close(7 [pid 6000] close(28 [pid 5033] lstat("./80/binderfs", ./strace-static-x86_64: Process 6007 attached [pid 6005] <... close resumed>) = 0 [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] getdents64(3, [pid 6007] set_robust_list(0x7f4e92bc39e0, 24 [pid 6005] read(200, [pid 6004] <... clone resumed>, parent_tid=[151], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 151 [pid 6003] close(8 [pid 6000] close(29 [pid 5033] unlink("./80/binderfs" [pid 6007] <... set_robust_list resumed>) = 0 [pid 6005] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6004] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6000] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6007] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6005] 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 6004] <... futex resumed>) = 0 [pid 6003] close(9 [pid 6000] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] umount2("./80/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6007] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6005] <... symlink resumed>) = 0 [pid 6004] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6000] <... write resumed>) = 335 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] close(3 [pid 6005] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] close(10 [pid 6000] exit_group(0 [pid 5033] lstat("./80/cgroup.net", [pid 5029] <... close resumed>) = 0 [pid 6007] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... futex resumed>) = 0 [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6002] <... futex resumed>) = ? [pid 6000] <... exit_group resumed>) = ? [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] rmdir("./74" [pid 6007] <... futex resumed>) = 1 [pid 6005] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6004] <... futex resumed>) = 0 [pid 6003] close(11 [pid 6002] +++ exited with 0 +++ [pid 5033] unlink("./80/cgroup.net" [pid 5029] <... rmdir resumed>) = 0 [pid 6007] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6005] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6004] close(3 [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6000] +++ exited with 0 +++ [pid 5033] <... unlink resumed>) = 0 [pid 5029] mkdir("./75", 0777 [pid 6005] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] close(12 [pid 5033] umount2("./80/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=150, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5029] <... mkdir resumed>) = 0 [pid 6005] <... mprotect resumed>) = 0 [pid 6004] close(4 [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6005] 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 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] close(13 [pid 5033] lstat("./80/cgroup.cpu", ./strace-static-x86_64: Process 6008 attached [pid 6004] close(5 [pid 6003] <... 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 6009 attached [pid 6008] set_robust_list(0x7f4e92bc39e0, 24 [pid 6005] <... clone resumed>, parent_tid=[157], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 157 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] close(14 [pid 5033] unlink("./80/cgroup.cpu" [pid 6009] set_robust_list(0x55555580e6e0, 24 [pid 6008] <... set_robust_list resumed>) = 0 [pid 6005] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] close(6 [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 152 [pid 6009] <... set_robust_list resumed>) = 0 [pid 6008] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6005] <... futex resumed>) = 0 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] close(15 [pid 5033] umount2("./80/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6008] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6005] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6004] close(7 [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6009] chdir("./75" [pid 6008] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] close(16 [pid 5033] lstat("./80/cgroup", [pid 6009] <... chdir resumed>) = 0 [pid 6008] <... futex resumed>) = 0 [pid 6005] close(3 [pid 6004] close(8 [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6008] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] close(17 [pid 5033] unlink("./80/cgroup" [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6009] <... prctl resumed>) = 0 [pid 6005] close(4 [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6009] setpgid(0, 0 [pid 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] close(9 [pid 6003] close(18 [pid 5033] <... unlink resumed>) = 0 [pid 5030] <... openat resumed>) = 3 [pid 6009] <... setpgid resumed>) = 0 [pid 6005] close(5 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5030] fstat(3, [pid 6009] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] close(10 [pid 6003] close(19 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6005] close(6 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6009] <... symlink resumed>) = 0 [pid 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] close(11 [pid 6003] close(20 [pid 5033] <... close resumed>) = 0 [pid 6009] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6005] close(7 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] getdents64(3, [pid 6009] <... symlink resumed>) = 0 [pid 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] close(12 [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] rmdir("./80" [pid 6009] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6005] close(8 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] close(21 [pid 5033] <... rmdir resumed>) = 0 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] close(13 [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./81", 0777 [pid 6009] <... symlink resumed>) = 0 [pid 6005] close(9 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] close(22 [pid 5033] <... mkdir resumed>) = 0 [pid 5030] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] close(14 [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6009] <... openat resumed>) = 3 [pid 6005] close(10 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] close(23 [pid 5030] lstat("./74/binderfs", ./strace-static-x86_64: Process 6010 attached [pid 6009] write(3, "1000", 4 [pid 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] close(15 [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6010] set_robust_list(0x55555580e6e0, 24 [pid 6009] <... write resumed>) = 4 [pid 6005] close(11 [pid 5030] unlink("./74/binderfs" [pid 6010] <... set_robust_list resumed>) = 0 [pid 6009] close(3 [pid 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] close(24 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 164 [pid 5030] <... unlink resumed>) = 0 [pid 6010] chdir("./81" [pid 6009] <... close resumed>) = 0 [pid 5030] umount2("./74/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6010] <... chdir resumed>) = 0 [pid 6009] read(200, [pid 6005] close(12 [pid 6004] close(16 [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6009] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] close(25 [pid 5030] lstat("./74/cgroup.net", [pid 6010] <... prctl resumed>) = 0 [pid 6009] symlink("/dev/binderfs", "./binderfs" [pid 6005] close(13 [pid 6004] close(17 [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6010] setpgid(0, 0 [pid 6009] <... symlink resumed>) = 0 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./74/cgroup.net" [pid 6003] close(26 [pid 6010] <... setpgid resumed>) = 0 [pid 6009] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] close(18 [pid 6005] close(14 [pid 5030] <... unlink resumed>) = 0 [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6009] <... futex resumed>) = 0 [pid 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./74/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6010] <... symlink resumed>) = 0 [pid 6009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6010] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6009] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6005] close(15 [pid 6004] close(19 [pid 6003] close(27 [pid 5030] lstat("./74/cgroup.cpu", [pid 6010] <... symlink resumed>) = 0 [pid 6009] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6010] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6009] <... mprotect resumed>) = 0 [pid 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./74/cgroup.cpu" [pid 6010] <... symlink resumed>) = 0 [pid 6009] 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 6005] close(16 [pid 5030] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6011 attached [pid 6010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6004] close(20 [pid 6003] close(28 [pid 5030] umount2("./74/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6011] set_robust_list(0x7f4e92bc39e0, 24 [pid 6010] <... openat resumed>) = 3 [pid 6009] <... clone resumed>, parent_tid=[153], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 153 [pid 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6011] <... set_robust_list resumed>) = 0 [pid 6010] write(3, "1000", 4 [pid 6009] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] close(17 [pid 6003] close(29 [pid 6004] close(21 [pid 5030] lstat("./74/cgroup", [pid 6011] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6010] <... write resumed>) = 4 [pid 6009] <... futex resumed>) = 0 [pid 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6011] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6010] close(3 [pid 6009] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6005] close(18 [pid 6003] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5030] unlink("./74/cgroup" [pid 6011] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... close resumed>) = 0 [pid 6009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6004] close(22 [pid 5030] <... unlink resumed>) = 0 [pid 6011] <... futex resumed>) = 0 [pid 6010] read(200, [pid 6009] close(3 [pid 5030] getdents64(3, [pid 6011] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6010] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] <... write resumed>) = 335 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6010] 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 6009] close(4 [pid 6005] close(19 [pid 6004] close(23 [pid 6003] exit_group(0 [pid 5030] close(3 [pid 6010] <... symlink resumed>) = 0 [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = 0 [pid 6003] <... exit_group resumed>) = ? [pid 6010] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] close(5 [pid 6006] <... futex resumed>) = ? [pid 6005] close(20 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] rmdir("./74" [pid 6010] <... futex resumed>) = 0 [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... rmdir resumed>) = 0 [pid 6010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6009] close(6 [pid 5030] mkdir("./75", 0777 [pid 6010] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... mkdir resumed>) = 0 [pid 6010] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6009] close(7 [pid 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] close(24 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6012 attached [pid 6010] <... mprotect resumed>) = 0 [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6006] +++ exited with 0 +++ [pid 6005] close(21 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] +++ exited with 0 +++ [pid 6010] 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 6009] close(8 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 152 ./strace-static-x86_64: Process 6013 attached [pid 6012] set_robust_list(0x55555580e6e0, 24 [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] close(25 [pid 6013] set_robust_list(0x7f4e92bc39e0, 24 [pid 6012] <... set_robust_list resumed>) = 0 [pid 6010] <... clone resumed>, parent_tid=[165], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 165 [pid 6005] close(22 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] close(9 [pid 6013] <... set_robust_list resumed>) = 0 [pid 6012] chdir("./75" [pid 6010] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] close(26 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=158, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6013] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6012] <... chdir resumed>) = 0 [pid 6010] <... futex resumed>) = 0 [pid 6009] close(10 [pid 6005] close(23 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6013] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6012] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6010] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] close(27 [pid 6013] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... prctl resumed>) = 0 [pid 6010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6009] close(11 [pid 6005] close(24 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6013] <... futex resumed>) = 0 [pid 6010] close(3 [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6013] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] close(12 [pid 6012] setpgid(0, 0 [pid 6010] close(4 [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... setpgid resumed>) = 0 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] close(13 [pid 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] close(28 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6012] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6010] close(5 [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6005] close(25 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] close(14 [pid 6012] <... symlink resumed>) = 0 [pid 6010] close(6 [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] close(29 [pid 5032] <... openat resumed>) = 3 [pid 6012] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] close(15 [pid 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] close(7 [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6005] close(26 [pid 6004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] fstat(3, [pid 6012] <... symlink resumed>) = 0 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] close(16 [pid 6010] close(8 [pid 6009] <... 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 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] 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 6012] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] close(17 [pid 6005] close(27 [pid 6004] <... write resumed>) = 335 [pid 5032] getdents64(3, [pid 6012] <... symlink resumed>) = 0 [pid 6010] close(9 [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] close(18 [pid 6004] exit_group(0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6012] <... openat resumed>) = 3 [pid 6010] close(10 [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6007] <... futex resumed>) = ? [pid 6005] close(28 [pid 6004] <... exit_group resumed>) = ? [pid 5032] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6012] write(3, "1000", 4 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] close(19 [pid 6007] +++ exited with 0 +++ [pid 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] +++ exited with 0 +++ [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6012] <... write resumed>) = 4 [pid 6010] close(11 [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] close(3 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] close(20 [pid 6005] close(29 [pid 6012] <... close resumed>) = 0 [pid 6010] close(12 [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./78/binderfs", [pid 6012] read(200, [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] close(21 [pid 6005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6010] close(13 [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 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] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=150, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6012] symlink("/dev/binderfs", "./binderfs" [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] close(22 [pid 6005] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] unlink("./78/binderfs" [pid 5028] restart_syscall(<... resuming interrupted clone ...> [pid 6012] <... symlink resumed>) = 0 [pid 6010] close(14 [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6005] <... write resumed>) = 335 [pid 5032] <... unlink resumed>) = 0 [pid 5028] <... restart_syscall resumed>) = 0 [pid 6005] exit_group(0 [pid 6012] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] umount2("./78/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... futex resumed>) = 0 [pid 6009] close(23 [pid 6008] <... futex resumed>) = ? [pid 6005] <... exit_group resumed>) = ? [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6012] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6010] close(15 [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6008] +++ exited with 0 +++ [pid 6005] +++ exited with 0 +++ [pid 5032] lstat("./78/cgroup.net", [pid 5028] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6012] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5032] unlink("./78/cgroup.net" [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=156, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5028] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6012] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] close(24 [pid 5032] <... unlink resumed>) = 0 [pid 5028] <... openat resumed>) = 3 [pid 6012] <... mprotect resumed>) = 0 [pid 6010] close(16 [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./78/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] fstat(3, [pid 6012] 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 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] close(25 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 ./strace-static-x86_64: Process 6014 attached [pid 6010] close(17 [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./78/cgroup.cpu", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] getdents64(3, [pid 6014] set_robust_list(0x7f4e92bc39e0, 24 [pid 6012] <... clone resumed>, parent_tid=[153], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 153 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] close(26 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6014] <... set_robust_list resumed>) = 0 [pid 6012] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] close(18 [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./78/cgroup.cpu" [pid 5031] <... openat resumed>) = 3 [pid 5028] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6014] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6012] <... futex resumed>) = 0 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] close(27 [pid 5032] <... unlink resumed>) = 0 [pid 5031] fstat(3, [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6014] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6012] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] close(19 [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./78/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] lstat("./74/binderfs", [pid 6014] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] close(28 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] getdents64(3, [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6014] <... futex resumed>) = 1 [pid 6012] <... futex resumed>) = 0 [pid 6010] close(20 [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./78/cgroup", [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] unlink("./74/binderfs" [pid 6014] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6012] close(3 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] close(29 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] close(21 [pid 6009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./78/cgroup" [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./74/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6012] close(4 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] 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] <... unlink resumed>) = 0 [pid 5031] lstat("./77/binderfs", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] close(22 [pid 6009] <... write resumed>) = 335 [pid 5032] getdents64(3, [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] lstat("./74/cgroup.net", [pid 6012] close(5 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6009] exit_group(0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] unlink("./77/binderfs" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6011] <... futex resumed>) = ? [pid 6010] close(23 [pid 6009] <... exit_group resumed>) = ? [pid 5032] close(3 [pid 5031] <... unlink resumed>) = 0 [pid 5028] unlink("./74/cgroup.net" [pid 6012] close(6 [pid 6011] +++ exited with 0 +++ [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... close resumed>) = 0 [pid 5031] umount2("./77/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] close(24 [pid 6009] +++ exited with 0 +++ [pid 5032] rmdir("./78" [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 6012] close(7 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... rmdir resumed>) = 0 [pid 5031] lstat("./77/cgroup.net", [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=152, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5028] umount2("./74/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] close(25 [pid 5032] mkdir("./79", 0777 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6012] close(8 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... mkdir resumed>) = 0 [pid 5031] unlink("./77/cgroup.net" [pid 5028] lstat("./74/cgroup.cpu", [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] close(26 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] <... unlink resumed>) = 0 [pid 5029] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6015 attached [pid 6012] close(9 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./77/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./74/cgroup.cpu" [pid 6015] set_robust_list(0x55555580e6e0, 24 [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] close(27 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 160 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 6015] <... set_robust_list resumed>) = 0 [pid 6012] close(10 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./77/cgroup.cpu", [pid 5028] umount2("./74/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6015] chdir("./79" [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] close(28 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6015] <... chdir resumed>) = 0 [pid 6012] close(11 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./77/cgroup.cpu" [pid 5028] lstat("./74/cgroup", [pid 6015] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] close(29 [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... openat resumed>) = 3 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6015] <... prctl resumed>) = 0 [pid 6012] close(12 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./77/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] fstat(3, [pid 5028] unlink("./74/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 6015] setpgid(0, 0 [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] 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 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6015] <... setpgid resumed>) = 0 [pid 6012] close(13 [pid 6010] <... write resumed>) = 335 [pid 5031] lstat("./77/cgroup", [pid 5028] getdents64(3, [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] exit_group(0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] getdents64(3, [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6015] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6013] <... futex resumed>) = ? [pid 6012] close(14 [pid 6010] <... exit_group resumed>) = ? [pid 5031] unlink("./77/cgroup" [pid 5028] close(3 [pid 6015] <... symlink resumed>) = 0 [pid 6013] +++ exited with 0 +++ [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6015] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6012] close(15 [pid 5031] <... unlink resumed>) = 0 [pid 5029] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... close resumed>) = 0 [pid 6015] <... symlink resumed>) = 0 [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] +++ exited with 0 +++ [pid 5031] getdents64(3, [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6015] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6012] close(16 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] lstat("./75/binderfs", [pid 5028] rmdir("./74" [pid 6015] <... symlink resumed>) = 0 [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=164, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5031] close(3 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6012] close(17 [pid 5029] unlink("./75/binderfs" [pid 5028] <... rmdir resumed>) = 0 [pid 6015] <... openat resumed>) = 3 [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... close resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5028] mkdir("./75", 0777 [pid 6015] write(3, "1000", 4 [pid 6012] close(18 [pid 5033] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./75/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6015] <... write resumed>) = 4 [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] rmdir("./77" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... mkdir resumed>) = 0 [pid 6015] close(3 [pid 6012] close(19 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... rmdir resumed>) = 0 [pid 5029] lstat("./75/cgroup.net", [pid 6015] <... close resumed>) = 0 [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] mkdir("./78", 0777 [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 6015] read(200, [pid 6012] close(20 [pid 5033] <... openat resumed>) = 3 [pid 5031] <... mkdir resumed>) = 0 [pid 5029] unlink("./75/cgroup.net" [pid 6015] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... unlink resumed>) = 0 [pid 6015] symlink("/dev/binderfs", "./binderfs" [pid 6012] close(21 [pid 5029] umount2("./75/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6016 attached [pid 6015] <... symlink resumed>) = 0 [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6016] set_robust_list(0x55555580e6e0, 24 [pid 6015] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] close(22 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] lstat("./75/cgroup.cpu", [pid 6016] <... set_robust_list resumed>) = 0 [pid 6015] <... futex resumed>) = 0 [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 152 [pid 6016] chdir("./75" [pid 6015] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6012] close(23 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] unlink("./75/cgroup.cpu"./strace-static-x86_64: Process 6017 attached [pid 6016] <... chdir resumed>) = 0 [pid 6015] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 158 [pid 5029] <... unlink resumed>) = 0 [pid 6017] set_robust_list(0x55555580e6e0, 24 [pid 6016] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6015] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6012] close(24 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./75/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6017] <... set_robust_list resumed>) = 0 [pid 6016] <... prctl resumed>) = 0 [pid 6015] <... mprotect resumed>) = 0 [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./81/binderfs", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6017] chdir("./78" [pid 6016] setpgid(0, 0 [pid 6015] 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 6012] close(25 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] lstat("./75/cgroup", ./strace-static-x86_64: Process 6018 attached [pid 6017] <... chdir resumed>) = 0 [pid 6016] <... setpgid resumed>) = 0 [pid 5033] unlink("./81/binderfs" [pid 6018] set_robust_list(0x7f4e92bc39e0, 24 [pid 6017] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6016] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6015] <... clone resumed>, parent_tid=[161], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 161 [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6018] <... set_robust_list resumed>) = 0 [pid 6017] <... prctl resumed>) = 0 [pid 6016] <... symlink resumed>) = 0 [pid 6015] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] close(26 [pid 5033] umount2("./81/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./75/cgroup" [pid 6018] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6017] setpgid(0, 0 [pid 6016] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6015] <... futex resumed>) = 0 [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 6018] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6017] <... setpgid resumed>) = 0 [pid 6016] <... symlink resumed>) = 0 [pid 6015] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6012] close(27 [pid 5033] lstat("./81/cgroup.net", [pid 5029] getdents64(3, [pid 6018] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6018] <... futex resumed>) = 0 [pid 6017] <... symlink resumed>) = 0 [pid 6015] close(3 [pid 6012] close(28 [pid 5029] close(3 [pid 6018] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6017] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6016] <... symlink resumed>) = 0 [pid 6015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./81/cgroup.net" [pid 5029] <... close resumed>) = 0 [pid 6017] <... symlink resumed>) = 0 [pid 6016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6015] close(4 [pid 6012] close(29 [pid 5033] <... unlink resumed>) = 0 [pid 5029] rmdir("./75" [pid 6017] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6016] <... openat resumed>) = 3 [pid 6015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./81/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... rmdir resumed>) = 0 [pid 6017] <... symlink resumed>) = 0 [pid 6016] write(3, "1000", 4 [pid 6015] close(5 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 6012] 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 5029] mkdir("./76", 0777 [pid 6017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6016] <... write resumed>) = 4 [pid 6015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... write resumed>) = 335 [pid 5033] lstat("./81/cgroup.cpu", [pid 5029] <... mkdir resumed>) = 0 [pid 6017] <... openat resumed>) = 3 [pid 6016] close(3 [pid 6015] close(6 [pid 6012] exit_group(0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6019 attached [pid 6017] write(3, "1000", 4 [pid 6016] <... close resumed>) = 0 [pid 6015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6014] <... futex resumed>) = ? [pid 6012] <... exit_group resumed>) = ? [pid 5033] unlink("./81/cgroup.cpu" [pid 6019] set_robust_list(0x55555580e6e0, 24 [pid 6017] <... write resumed>) = 4 [pid 6016] read(200, [pid 6015] close(7 [pid 6014] +++ exited with 0 +++ [pid 6012] +++ exited with 0 +++ [pid 5033] <... unlink resumed>) = 0 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=152, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 154 [pid 6019] <... set_robust_list resumed>) = 0 [pid 6017] close(3 [pid 6015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6019] chdir("./76" [pid 6017] <... close resumed>) = 0 [pid 6016] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6015] close(8 [pid 5033] umount2("./81/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6019] <... chdir resumed>) = 0 [pid 6017] read(200, [pid 6016] symlink("/dev/binderfs", "./binderfs" [pid 6015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6019] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6017] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6015] close(9 [pid 6019] <... prctl resumed>) = 0 [pid 6017] symlink("/dev/binderfs", "./binderfs" [pid 6016] <... symlink resumed>) = 0 [pid 6015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./81/cgroup", [pid 6019] setpgid(0, 0 [pid 6017] <... symlink resumed>) = 0 [pid 6015] close(10 [pid 5030] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6019] <... setpgid resumed>) = 0 [pid 6017] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... 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 6019] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6017] <... futex resumed>) = 0 [pid 6016] <... futex resumed>) = 0 [pid 6015] close(11 [pid 5033] unlink("./81/cgroup" [pid 5030] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6019] <... symlink resumed>) = 0 [pid 6017] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6016] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5030] <... openat resumed>) = 3 [pid 6019] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6017] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6016] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6015] close(12 [pid 5033] getdents64(3, [pid 5030] fstat(3, [pid 6019] <... symlink resumed>) = 0 [pid 6017] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6019] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6017] <... mprotect resumed>) = 0 [pid 6016] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6015] close(13 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] getdents64(3, [pid 6019] <... symlink resumed>) = 0 [pid 6017] 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 6016] <... mprotect resumed>) = 0 [pid 6015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 6020 attached [pid 6019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6016] 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 6015] close(14 [pid 5033] <... close resumed>) = 0 [pid 5030] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6021 attached [pid 6020] set_robust_list(0x7f4e92bc39e0, 24 [pid 6019] <... openat resumed>) = 3 [pid 6017] <... clone resumed>, parent_tid=[159], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 159 [pid 6015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] rmdir("./81" [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6021] set_robust_list(0x7f4e92bc39e0, 24 [pid 6020] <... set_robust_list resumed>) = 0 [pid 6019] write(3, "1000", 4 [pid 6017] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... clone resumed>, parent_tid=[153], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 153 [pid 6015] close(15 [pid 5030] lstat("./75/binderfs", [pid 6021] <... set_robust_list resumed>) = 0 [pid 6020] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6019] <... write resumed>) = 4 [pid 6017] <... futex resumed>) = 0 [pid 6016] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... rmdir resumed>) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6021] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6020] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6019] close(3 [pid 6017] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6016] <... futex resumed>) = 0 [pid 6015] close(16 [pid 5030] unlink("./75/binderfs" [pid 5033] mkdir("./82", 0777 [pid 6021] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6020] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] <... close resumed>) = 0 [pid 6017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6016] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... mkdir resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 6021] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] <... futex resumed>) = 0 [pid 6019] read(200, [pid 6017] close(3 [pid 6016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6015] close(17 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] umount2("./75/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6020] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6019] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(3 [pid 6015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6019] symlink("/dev/binderfs", "./binderfs" [pid 6017] close(4 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6015] close(18 [pid 5030] lstat("./75/cgroup.net", ./strace-static-x86_64: Process 6022 attached [pid 6021] <... futex resumed>) = 0 [pid 6019] <... symlink resumed>) = 0 [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(4 [pid 6015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6022] set_robust_list(0x55555580e6e0, 24 [pid 6019] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] close(5 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6015] close(19 [pid 5030] unlink("./75/cgroup.net" [pid 6022] <... set_robust_list resumed>) = 0 [pid 6021] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6019] <... futex resumed>) = 0 [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(5 [pid 6015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6022] chdir("./82" [pid 6019] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6017] close(6 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6015] close(20 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 166 [pid 5030] umount2("./75/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6022] <... chdir resumed>) = 0 [pid 6019] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(6 [pid 6015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6022] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6019] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6017] close(7 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6015] close(21 [pid 5030] lstat("./75/cgroup.cpu", [pid 6022] <... prctl resumed>) = 0 [pid 6019] <... mprotect resumed>) = 0 [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(7 [pid 6015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6022] setpgid(0, 0 [pid 6019] 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 6017] close(8 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6015] close(22 [pid 5030] unlink("./75/cgroup.cpu"./strace-static-x86_64: Process 6023 attached [pid 6022] <... setpgid resumed>) = 0 [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(8 [pid 6015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6023] set_robust_list(0x7f4e92bc39e0, 24 [pid 6022] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6019] <... clone resumed>, parent_tid=[155], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 155 [pid 6017] close(9 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6015] close(23 [pid 5030] umount2("./75/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6023] <... set_robust_list resumed>) = 0 [pid 6022] <... symlink resumed>) = 0 [pid 6019] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(9 [pid 6015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6023] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6022] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6019] <... futex resumed>) = 0 [pid 6017] close(10 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6015] close(24 [pid 5030] lstat("./75/cgroup", [pid 6023] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6022] <... symlink resumed>) = 0 [pid 6019] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(10 [pid 6015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6023] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6017] close(11 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6015] close(25 [pid 5030] unlink("./75/cgroup" [pid 6023] <... futex resumed>) = 0 [pid 6022] <... symlink resumed>) = 0 [pid 6019] close(3 [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(11 [pid 6015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6023] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6017] close(12 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6015] close(26 [pid 5030] getdents64(3, [pid 6022] <... openat resumed>) = 3 [pid 6019] close(4 [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(12 [pid 6015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6022] write(3, "1000", 4 [pid 6019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6017] close(13 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6015] close(27 [pid 5030] close(3 [pid 6022] <... write resumed>) = 4 [pid 6019] close(5 [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(13 [pid 6015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = 0 [pid 6022] close(3 [pid 6019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6017] close(14 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6015] close(28 [pid 5030] rmdir("./75" [pid 6022] <... close resumed>) = 0 [pid 6019] close(6 [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(14 [pid 6015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... rmdir resumed>) = 0 [pid 6022] read(200, [pid 6019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6017] close(15 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6015] close(29 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] mkdir("./76", 0777 [pid 6022] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6019] close(7 [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(15 [pid 6015] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... mkdir resumed>) = 0 [pid 6022] symlink("/dev/binderfs", "./binderfs" [pid 6019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6017] close(16 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6015] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6024 attached [pid 6022] <... symlink resumed>) = 0 [pid 6019] close(8 [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(16 [pid 6015] <... write resumed>) = 335 [pid 6024] set_robust_list(0x55555580e6e0, 24 [pid 6022] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6017] close(17 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6015] exit_group(0 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 154 [pid 6024] <... set_robust_list resumed>) = 0 [pid 6022] <... futex resumed>) = 0 [pid 6019] close(9 [pid 6018] <... futex resumed>) = ? [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(17 [pid 6015] <... exit_group resumed>) = ? [pid 6024] chdir("./76" [pid 6022] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6018] +++ exited with 0 +++ [pid 6017] close(18 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6015] +++ exited with 0 +++ [pid 6024] <... chdir resumed>) = 0 [pid 6022] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6019] close(10 [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(18 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=160, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6022] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6017] close(19 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] <... prctl resumed>) = 0 [pid 6022] <... mprotect resumed>) = 0 [pid 6019] close(11 [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(19 [pid 6024] setpgid(0, 0 [pid 6022] 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 6019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6017] close(20 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6025 attached [pid 6024] <... setpgid resumed>) = 0 [pid 6019] close(12 [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(20 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6025] set_robust_list(0x7f4e92bc39e0, 24 [pid 6024] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6022] <... clone resumed>, parent_tid=[167], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 167 [pid 6019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6017] close(21 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6025] <... set_robust_list resumed>) = 0 [pid 6024] <... symlink resumed>) = 0 [pid 6022] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] close(13 [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(21 [pid 5032] <... openat resumed>) = 3 [pid 6025] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6024] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6022] <... futex resumed>) = 0 [pid 6019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6017] close(22 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] fstat(3, [pid 6025] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6024] <... symlink resumed>) = 0 [pid 6022] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6019] close(14 [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(22 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6025] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6017] close(23 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] getdents64(3, [pid 6025] <... futex resumed>) = 0 [pid 6024] <... symlink resumed>) = 0 [pid 6022] close(3 [pid 6019] close(15 [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(23 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6025] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6017] close(24 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6024] <... openat resumed>) = 3 [pid 6022] close(4 [pid 6019] close(16 [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(24 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6024] write(3, "1000", 4 [pid 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6017] close(25 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./79/binderfs", [pid 6024] <... write resumed>) = 4 [pid 6022] close(5 [pid 6019] close(17 [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(25 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6024] close(3 [pid 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6017] close(26 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./79/binderfs" [pid 6024] <... close resumed>) = 0 [pid 6022] close(6 [pid 6019] close(18 [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(26 [pid 5032] <... unlink resumed>) = 0 [pid 6024] read(200, [pid 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6017] close(27 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./79/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6024] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6022] close(7 [pid 6019] close(19 [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(27 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6024] symlink("/dev/binderfs", "./binderfs" [pid 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6017] close(28 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./79/cgroup.net", [pid 6024] <... symlink resumed>) = 0 [pid 6022] close(8 [pid 6019] close(20 [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(28 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6024] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6017] close(29 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./79/cgroup.net" [pid 6024] <... futex resumed>) = 0 [pid 6022] close(9 [pid 6019] close(21 [pid 6017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6016] close(29 [pid 5032] <... unlink resumed>) = 0 [pid 6024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6019] <... 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 6017] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./79/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6024] <... mmap resumed>) = 0x7f4e92ba3000 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 6022] close(10 [pid 6019] close(22 [pid 6017] <... write resumed>) = 335 [pid 6016] 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 6024] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6017] exit_group(0 [pid 6016] <... write resumed>) = 335 [pid 5032] lstat("./79/cgroup.cpu", [pid 6024] <... mprotect resumed>) = 0 [pid 6022] close(11 [pid 6020] <... futex resumed>) = ? [pid 6019] close(23 [pid 6017] <... exit_group resumed>) = ? [pid 6016] exit_group(0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6024] 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 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6021] <... futex resumed>) = ? [pid 6020] +++ exited with 0 +++ [pid 6019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6017] +++ exited with 0 +++ [pid 6016] <... exit_group resumed>) = ? [pid 5032] unlink("./79/cgroup.cpu"./strace-static-x86_64: Process 6026 attached [pid 6022] close(12 [pid 6021] +++ exited with 0 +++ [pid 6019] close(24 [pid 6016] +++ exited with 0 +++ [pid 5032] <... unlink resumed>) = 0 [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=158, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6026] set_robust_list(0x7f4e92bc39e0, 24 [pid 6024] <... clone resumed>, parent_tid=[155], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 155 [pid 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./79/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=152, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6026] <... set_robust_list resumed>) = 0 [pid 6024] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] close(13 [pid 6019] close(25 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6026] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6024] <... futex resumed>) = 0 [pid 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./79/cgroup", [pid 5031] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6026] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6024] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6022] close(14 [pid 6019] close(26 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6026] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./79/cgroup" [pid 5031] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6026] <... futex resumed>) = 1 [pid 6024] <... futex resumed>) = 0 [pid 6022] close(15 [pid 6019] close(27 [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... openat resumed>) = 3 [pid 5028] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6026] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6024] close(3 [pid 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] getdents64(3, [pid 5031] fstat(3, [pid 5028] <... openat resumed>) = 3 [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6022] close(16 [pid 6019] close(28 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] fstat(3, [pid 6024] close(4 [pid 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6019] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] close(3 [pid 5031] getdents64(3, [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6022] close(17 [pid 6019] close(29 [pid 5032] <... close resumed>) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] getdents64(3, [pid 6024] close(5 [pid 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6019] <... 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] rmdir("./79" [pid 5031] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6022] close(18 [pid 6019] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6024] close(6 [pid 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6019] <... write resumed>) = 335 [pid 5032] <... rmdir resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6022] close(19 [pid 6019] exit_group(0 [pid 5032] mkdir("./80", 0777 [pid 5031] lstat("./78/binderfs", [pid 6024] close(7 [pid 6023] <... futex resumed>) = ? [pid 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6019] <... exit_group resumed>) = ? [pid 5032] <... mkdir resumed>) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] +++ exited with 0 +++ [pid 6022] close(20 [pid 6019] +++ exited with 0 +++ [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] unlink("./78/binderfs" [pid 5028] lstat("./75/binderfs", ./strace-static-x86_64: Process 6027 attached [pid 6024] close(8 [pid 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6027] set_robust_list(0x55555580e6e0, 24 [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6022] close(21 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 162 [pid 5031] umount2("./78/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=154, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5028] unlink("./75/binderfs" [pid 6027] <... set_robust_list resumed>) = 0 [pid 6024] close(9 [pid 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 [pid 6027] chdir("./80" [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6022] close(22 [pid 5031] lstat("./78/cgroup.net", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./75/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6027] <... chdir resumed>) = 0 [pid 6024] close(10 [pid 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6027] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6022] close(23 [pid 5031] unlink("./78/cgroup.net" [pid 5029] <... openat resumed>) = 3 [pid 5028] lstat("./75/cgroup.net", [pid 6027] <... prctl resumed>) = 0 [pid 6024] close(11 [pid 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5029] fstat(3, [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6027] setpgid(0, 0 [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6022] close(24 [pid 5031] umount2("./78/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] unlink("./75/cgroup.net" [pid 6027] <... setpgid resumed>) = 0 [pid 6024] close(12 [pid 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] getdents64(3, [pid 5028] <... unlink resumed>) = 0 [pid 6027] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6022] close(25 [pid 5031] lstat("./78/cgroup.cpu", [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] umount2("./75/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6027] <... symlink resumed>) = 0 [pid 6024] close(13 [pid 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6027] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6022] close(26 [pid 5031] unlink("./78/cgroup.cpu" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./75/cgroup.cpu", [pid 6027] <... symlink resumed>) = 0 [pid 6024] close(14 [pid 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5029] lstat("./76/binderfs", [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6027] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6022] close(27 [pid 5031] umount2("./78/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] unlink("./75/cgroup.cpu" [pid 6027] <... symlink resumed>) = 0 [pid 6024] close(15 [pid 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./76/binderfs" [pid 5028] <... unlink resumed>) = 0 [pid 6027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6022] close(28 [pid 5031] lstat("./78/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 5029] <... unlink resumed>) = 0 [pid 5028] umount2("./75/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6027] <... openat resumed>) = 3 [pid 6024] close(16 [pid 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] umount2("./76/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6027] write(3, "1000", 4 [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6022] close(29 [pid 5031] unlink("./78/cgroup" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./75/cgroup", [pid 6027] <... write resumed>) = 4 [pid 6024] close(17 [pid 6022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5029] lstat("./76/cgroup.net", [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6027] close(3 [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6022] 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 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] unlink("./75/cgroup" [pid 6027] <... close resumed>) = 0 [pid 6024] close(18 [pid 6022] <... write resumed>) = 335 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] unlink("./76/cgroup.net" [pid 5028] <... unlink resumed>) = 0 [pid 6027] read(200, [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6022] exit_group(0 [pid 5031] close(3 [pid 5029] <... unlink resumed>) = 0 [pid 5028] getdents64(3, [pid 6027] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6025] <... futex resumed>) = ? [pid 6024] close(19 [pid 6022] <... exit_group resumed>) = ? [pid 5031] <... close resumed>) = 0 [pid 5029] umount2("./76/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6027] symlink("/dev/binderfs", "./binderfs" [pid 6025] +++ exited with 0 +++ [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6022] +++ exited with 0 +++ [pid 5031] rmdir("./78" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] close(3 [pid 6027] <... symlink resumed>) = 0 [pid 6024] close(20 [pid 5031] <... rmdir resumed>) = 0 [pid 5029] lstat("./76/cgroup.cpu", [pid 5028] <... close resumed>) = 0 [pid 6027] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=166, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5031] mkdir("./79", 0777 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] rmdir("./75" [pid 6027] <... futex resumed>) = 0 [pid 6024] close(21 [pid 5033] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... mkdir resumed>) = 0 [pid 5029] unlink("./76/cgroup.cpu" [pid 5028] <... rmdir resumed>) = 0 [pid 6027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] <... unlink resumed>) = 0 [pid 5028] mkdir("./76", 0777 [pid 6027] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5033] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6027] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6024] close(22 [pid 5033] <... openat resumed>) = 3 [pid 5029] umount2("./76/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... mkdir resumed>) = 0 [pid 5033] fstat(3, [pid 6027] <... mprotect resumed>) = 0 [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6028 attached [pid 6027] 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 6024] close(23 [pid 5033] getdents64(3, [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 160 [pid 5029] lstat("./76/cgroup", [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6029 attached [pid 6028] set_robust_list(0x55555580e6e0, 24 [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6029] set_robust_list(0x7f4e92bc39e0, 24 [pid 6028] <... set_robust_list resumed>) = 0 [pid 6027] <... clone resumed>, parent_tid=[163], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 163 [pid 6024] close(24 [pid 5033] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6030 attached [pid 6029] <... set_robust_list resumed>) = 0 [pid 6028] chdir("./79" [pid 6027] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./76/cgroup" [pid 6030] set_robust_list(0x55555580e6e0, 24 [pid 6029] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6028] <... chdir resumed>) = 0 [pid 6027] <... futex resumed>) = 0 [pid 6024] close(25 [pid 5033] lstat("./82/binderfs", [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 154 [pid 6030] <... set_robust_list resumed>) = 0 [pid 6029] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6028] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6027] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] getdents64(3, [pid 6030] chdir("./76" [pid 6029] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] <... prctl resumed>) = 0 [pid 5033] unlink("./82/binderfs" [pid 6030] <... chdir resumed>) = 0 [pid 6029] <... futex resumed>) = 0 [pid 6028] setpgid(0, 0 [pid 6027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6024] close(26 [pid 5033] <... unlink resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6029] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5033] umount2("./82/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6027] close(3 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6030] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6028] <... setpgid resumed>) = 0 [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./82/cgroup.net", [pid 5029] close(3 [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] <... prctl resumed>) = 0 [pid 6028] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6024] close(27 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6030] setpgid(0, 0 [pid 6028] <... symlink resumed>) = 0 [pid 6027] close(4 [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... close resumed>) = 0 [pid 6030] <... setpgid resumed>) = 0 [pid 6028] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] close(28 [pid 5033] unlink("./82/cgroup.net" [pid 5029] rmdir("./76" [pid 6030] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6028] <... symlink resumed>) = 0 [pid 6027] close(5 [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5029] <... rmdir resumed>) = 0 [pid 6030] <... symlink resumed>) = 0 [pid 6028] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] close(29 [pid 5029] mkdir("./77", 0777 [pid 6030] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6028] <... symlink resumed>) = 0 [pid 6027] close(6 [pid 6024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./82/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... mkdir resumed>) = 0 [pid 6030] <... symlink resumed>) = 0 [pid 6028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECwrite 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 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] 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 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6030] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6028] <... openat resumed>) = 3 [pid 6027] close(7 [pid 6024] <... write resumed>) = 335 ./strace-static-x86_64: Process 6031 attached [pid 6030] <... symlink resumed>) = 0 [pid 6028] write(3, "1000", 4 [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] exit_group(0 [pid 5033] lstat("./82/cgroup.cpu", [pid 6031] set_robust_list(0x55555580e6e0, 24 [pid 6030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6028] <... write resumed>) = 4 [pid 6027] close(8 [pid 6026] <... futex resumed>) = ? [pid 6024] <... exit_group resumed>) = ? [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 156 [pid 6031] <... set_robust_list resumed>) = 0 [pid 6030] <... openat resumed>) = 3 [pid 6028] close(3 [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6026] +++ exited with 0 +++ [pid 6024] +++ exited with 0 +++ [pid 5033] unlink("./82/cgroup.cpu" [pid 6031] chdir("./77" [pid 6030] write(3, "1000", 4 [pid 6028] <... close resumed>) = 0 [pid 6027] close(9 [pid 5033] <... unlink resumed>) = 0 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=154, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6031] <... chdir resumed>) = 0 [pid 6030] <... write resumed>) = 4 [pid 6028] read(200, [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./82/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6031] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6030] close(3 [pid 6028] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6027] close(10 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6031] <... prctl resumed>) = 0 [pid 6030] <... close resumed>) = 0 [pid 6028] symlink("/dev/binderfs", "./binderfs" [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6031] setpgid(0, 0 [pid 6030] read(200, [pid 6028] <... symlink resumed>) = 0 [pid 6027] close(11 [pid 5033] lstat("./82/cgroup", [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6031] <... setpgid resumed>) = 0 [pid 6030] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6028] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6031] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6030] symlink("/dev/binderfs", "./binderfs" [pid 6028] <... futex resumed>) = 0 [pid 6027] close(12 [pid 5033] unlink("./82/cgroup" [pid 5030] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6031] <... symlink resumed>) = 0 [pid 6030] <... symlink resumed>) = 0 [pid 6028] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 6031] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6030] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6027] close(13 [pid 5030] <... openat resumed>) = 3 [pid 6031] <... symlink resumed>) = 0 [pid 6030] <... futex resumed>) = 0 [pid 6028] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5030] fstat(3, [pid 6031] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6028] <... mprotect resumed>) = 0 [pid 6027] close(14 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6031] <... symlink resumed>) = 0 [pid 6030] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6028] 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 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 ./strace-static-x86_64: Process 6032 attached [pid 6031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6030] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6027] close(15 [pid 5033] <... close resumed>) = 0 [pid 5030] getdents64(3, [pid 6032] set_robust_list(0x7f4e92bc39e0, 24 [pid 6031] <... openat resumed>) = 3 [pid 6030] <... mprotect resumed>) = 0 [pid 6028] <... clone resumed>, parent_tid=[161], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 161 [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] rmdir("./82" [pid 6032] <... set_robust_list resumed>) = 0 [pid 6031] write(3, "1000", 4 [pid 6030] 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 6028] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] close(16 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 6033 attached [pid 6032] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6031] <... write resumed>) = 4 [pid 6028] <... futex resumed>) = 0 [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... rmdir resumed>) = 0 [pid 5030] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6033] set_robust_list(0x7f4e92bc39e0, 24 [pid 6032] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6031] close(3 [pid 6030] <... clone resumed>, parent_tid=[155], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 155 [pid 6028] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6027] close(17 [pid 5033] mkdir("./83", 0777 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6033] <... set_robust_list resumed>) = 0 [pid 6032] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] <... close resumed>) = 0 [pid 6030] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... mkdir resumed>) = 0 [pid 5030] lstat("./76/binderfs", [pid 6033] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6032] <... futex resumed>) = 0 [pid 6031] read(200, [pid 6030] <... futex resumed>) = 0 [pid 6028] close(3 [pid 6027] close(18 [pid 5033] 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 6033] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6032] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6031] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6030] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./76/binderfs" [pid 6033] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] symlink("/dev/binderfs", "./binderfs" [pid 6028] close(4 [pid 6027] close(19 [pid 5030] <... unlink resumed>) = 0 [pid 6033] <... futex resumed>) = 1 [pid 6031] <... symlink resumed>) = 0 [pid 6030] <... futex resumed>) = 0 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./76/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6034 attached [pid 6033] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6031] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] close(3 [pid 6028] close(5 [pid 6027] close(20 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6034] set_robust_list(0x55555580e6e0, 24 [pid 6031] <... futex resumed>) = 0 [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 168 [pid 5030] lstat("./76/cgroup.net", [pid 6034] <... set_robust_list resumed>) = 0 [pid 6031] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6030] close(4 [pid 6028] close(6 [pid 6027] close(21 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6034] chdir("./83" [pid 6031] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./76/cgroup.net" [pid 6034] <... chdir resumed>) = 0 [pid 6031] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6030] close(5 [pid 6028] close(7 [pid 6027] close(22 [pid 5030] <... unlink resumed>) = 0 [pid 6034] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6031] <... mprotect resumed>) = 0 [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./76/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6034] <... prctl resumed>) = 0 [pid 6031] 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 6030] close(6 [pid 6028] close(8 [pid 6027] close(23 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6035 attached [pid 6034] setpgid(0, 0 [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./76/cgroup.cpu", [pid 6035] set_robust_list(0x7f4e92bc39e0, 24 [pid 6034] <... setpgid resumed>) = 0 [pid 6028] close(9 [pid 6027] close(24 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6035] <... set_robust_list resumed>) = 0 [pid 6034] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6031] <... clone resumed>, parent_tid=[157], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 157 [pid 6030] close(7 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./76/cgroup.cpu" [pid 6035] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] <... symlink resumed>) = 0 [pid 6031] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(10 [pid 6027] close(25 [pid 5030] <... unlink resumed>) = 0 [pid 6035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6034] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6031] <... futex resumed>) = 0 [pid 6030] close(8 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./76/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6035] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6034] <... symlink resumed>) = 0 [pid 6031] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(11 [pid 6027] close(26 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6035] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6034] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6030] close(9 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./76/cgroup", [pid 6035] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] <... symlink resumed>) = 0 [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(12 [pid 6027] close(27 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6035] <... futex resumed>) = 1 [pid 6034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6031] <... futex resumed>) = 0 [pid 6030] close(10 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./76/cgroup" [pid 6035] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6034] <... openat resumed>) = 3 [pid 6031] close(3 [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(13 [pid 6027] close(28 [pid 5030] <... unlink resumed>) = 0 [pid 6034] write(3, "1000", 4 [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] close(11 [pid 5030] getdents64(3, [pid 6034] <... write resumed>) = 4 [pid 6031] close(4 [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(14 [pid 6027] close(29 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6034] close(3 [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] close(12 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] close(3 [pid 6034] <... close resumed>) = 0 [pid 6031] close(5 [pid 6030] <... 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 6028] close(15 [pid 6027] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5030] <... close resumed>) = 0 [pid 6034] read(200, [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] close(13 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6027] <... write resumed>) = 335 [pid 5030] rmdir("./76" [pid 6034] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6031] close(6 [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(16 [pid 6027] exit_group(0 [pid 5030] <... rmdir resumed>) = 0 [pid 6034] symlink("/dev/binderfs", "./binderfs" [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] close(14 [pid 6029] <... futex resumed>) = ? [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6027] <... exit_group resumed>) = ? [pid 5030] mkdir("./77", 0777 [pid 6034] <... symlink resumed>) = 0 [pid 6031] close(7 [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6029] +++ exited with 0 +++ [pid 6028] close(17 [pid 6027] +++ exited with 0 +++ [pid 5030] <... mkdir resumed>) = 0 [pid 6034] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] close(15 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6034] <... futex resumed>) = 0 [pid 6031] close(8 [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(18 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=162, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- ./strace-static-x86_64: Process 6036 attached [pid 6034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] close(16 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 156 [pid 6036] set_robust_list(0x55555580e6e0, 24 [pid 6034] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6031] close(9 [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(19 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6036] <... set_robust_list resumed>) = 0 [pid 6034] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] close(17 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6036] chdir("./77" [pid 6034] <... mprotect resumed>) = 0 [pid 6031] close(10 [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(20 [pid 5032] <... openat resumed>) = 3 [pid 6036] <... chdir resumed>) = 0 [pid 6034] 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 6030] close(18 [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] fstat(3, ./strace-static-x86_64: Process 6037 attached [pid 6036] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6031] close(11 [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(21 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6037] set_robust_list(0x7f4e92bc39e0, 24 [pid 6036] <... prctl resumed>) = 0 [pid 6034] <... clone resumed>, parent_tid=[169], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 169 [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] close(19 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] getdents64(3, [pid 6037] <... set_robust_list resumed>) = 0 [pid 6036] setpgid(0, 0 [pid 6034] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] close(12 [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(22 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6037] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6036] <... setpgid resumed>) = 0 [pid 6034] <... futex resumed>) = 0 [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] close(20 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6037] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6036] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6034] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6031] close(13 [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6028] close(23 [pid 6037] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] <... symlink resumed>) = 0 [pid 6034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] close(21 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./80/binderfs", [pid 6037] <... futex resumed>) = 0 [pid 6036] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6034] close(3 [pid 6031] close(14 [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(24 [pid 6037] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] <... symlink resumed>) = 0 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] close(22 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6036] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6034] close(4 [pid 6031] close(15 [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(25 [pid 5032] unlink("./80/binderfs" [pid 6036] <... symlink resumed>) = 0 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] close(23 [pid 5032] <... unlink resumed>) = 0 [pid 6036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6034] close(5 [pid 6031] close(16 [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(26 [pid 5032] umount2("./80/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6036] <... openat resumed>) = 3 [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] close(24 [pid 6036] write(3, "1000", 4 [pid 6034] close(6 [pid 6031] close(17 [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6036] <... write resumed>) = 4 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] close(25 [pid 6028] close(27 [pid 5032] lstat("./80/cgroup.net", [pid 6036] close(3 [pid 6034] close(7 [pid 6031] close(18 [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6036] <... close resumed>) = 0 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] close(26 [pid 6028] close(28 [pid 5032] unlink("./80/cgroup.net" [pid 6036] read(200, [pid 6034] close(8 [pid 6031] close(19 [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 6036] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] close(27 [pid 6028] close(29 [pid 5032] umount2("./80/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6036] 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 6031] close(20 [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6034] close(9 [pid 6036] <... symlink resumed>) = 0 [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] close(28 [pid 5032] lstat("./80/cgroup.cpu", [pid 6036] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] close(21 [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6036] <... futex resumed>) = 0 [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] close(29 [pid 5032] unlink("./80/cgroup.cpu" [pid 6028] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6031] close(22 [pid 6030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] <... write resumed>) = 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 6036] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6034] close(10 [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6028] exit_group(0 [pid 5032] umount2("./80/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6036] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6032] <... futex resumed>) = ? [pid 6031] close(23 [pid 6030] <... write resumed>) = 335 [pid 6028] <... exit_group resumed>) = ? [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6036] <... mprotect resumed>) = 0 [pid 6034] close(11 [pid 6032] +++ exited with 0 +++ [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] exit_group(0 [pid 6028] +++ exited with 0 +++ [pid 5032] lstat("./80/cgroup", [pid 6036] 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 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6033] <... futex resumed>) = ? [pid 6031] close(24 [pid 6030] <... exit_group resumed>) = ? [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 6038 attached [pid 6034] close(12 [pid 6033] +++ exited with 0 +++ [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=160, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6038] set_robust_list(0x7f4e92bc39e0, 24 [pid 6036] <... clone resumed>, parent_tid=[157], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 157 [pid 6031] close(25 [pid 6030] +++ exited with 0 +++ [pid 5032] unlink("./80/cgroup" [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6038] <... set_robust_list resumed>) = 0 [pid 6036] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=154, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6038] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6036] <... futex resumed>) = 0 [pid 6034] close(13 [pid 6031] close(26 [pid 5032] getdents64(3, [pid 5031] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6038] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6036] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6038] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6034] close(14 [pid 6031] close(27 [pid 5032] close(3 [pid 5031] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6038] <... futex resumed>) = 0 [pid 6036] close(3 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... close resumed>) = 0 [pid 5031] <... openat resumed>) = 3 [pid 6038] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] close(15 [pid 6031] close(28 [pid 5032] rmdir("./80" [pid 5031] fstat(3, [pid 5028] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6036] close(4 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... rmdir resumed>) = 0 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] close(16 [pid 6031] close(29 [pid 5032] mkdir("./81", 0777 [pid 5031] getdents64(3, [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6036] close(5 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... mkdir resumed>) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] close(17 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 6031] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6039 attached [pid 6036] close(6 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6031] <... write resumed>) = 335 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... openat resumed>) = 3 [pid 6039] set_robust_list(0x55555580e6e0, 24 [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] close(18 [pid 6031] exit_group(0 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 164 [pid 5031] lstat("./79/binderfs", [pid 6039] <... set_robust_list resumed>) = 0 [pid 6036] close(7 [pid 6035] <... futex resumed>) = ? [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6031] <... exit_group resumed>) = ? [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] fstat(3, [pid 6039] chdir("./81" [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6035] +++ exited with 0 +++ [pid 6034] close(19 [pid 6031] +++ exited with 0 +++ [pid 5031] unlink("./79/binderfs" [pid 6039] <... chdir resumed>) = 0 [pid 6036] close(8 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6039] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] close(20 [pid 5031] umount2("./79/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=156, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5028] getdents64(3, [pid 6039] <... prctl resumed>) = 0 [pid 6036] close(9 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6039] setpgid(0, 0 [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] close(21 [pid 5031] lstat("./79/cgroup.net", [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6039] <... setpgid resumed>) = 0 [pid 6036] close(10 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6039] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] close(22 [pid 5031] unlink("./79/cgroup.net" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6039] <... symlink resumed>) = 0 [pid 6036] close(11 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5029] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6039] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] close(23 [pid 5031] umount2("./79/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... openat resumed>) = 3 [pid 6039] <... symlink resumed>) = 0 [pid 6036] close(12 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] fstat(3, [pid 5028] lstat("./76/binderfs", [pid 6039] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] close(24 [pid 5031] lstat("./79/cgroup.cpu", [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6039] <... symlink resumed>) = 0 [pid 6036] close(13 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] close(25 [pid 5031] unlink("./79/cgroup.cpu" [pid 5029] getdents64(3, [pid 6039] <... openat resumed>) = 3 [pid 6036] close(14 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] unlink("./76/binderfs" [pid 6039] write(3, "1000", 4 [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] close(26 [pid 5031] umount2("./79/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6039] <... write resumed>) = 4 [pid 6036] close(15 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 6039] close(3 [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] close(27 [pid 5031] lstat("./79/cgroup", [pid 5029] lstat("./77/binderfs", [pid 5028] umount2("./76/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6039] <... close resumed>) = 0 [pid 6036] close(16 [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6039] read(200, [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... 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 5028] lstat("./76/cgroup.net", [pid 6034] close(28 [pid 6039] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6036] close(17 [pid 5031] unlink("./79/cgroup" [pid 5029] unlink("./77/binderfs" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6039] symlink("/dev/binderfs", "./binderfs" [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5028] unlink("./76/cgroup.net" [pid 6039] <... symlink resumed>) = 0 [pid 6036] close(18 [pid 6034] close(29 [pid 5031] getdents64(3, [pid 5029] <... unlink resumed>) = 0 [pid 6039] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] umount2("./77/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 [pid 6039] <... futex resumed>) = 0 [pid 6036] close(19write 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 6034] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] close(3 [pid 5028] umount2("./76/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6039] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6039] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6034] <... write resumed>) = 335 [pid 5031] <... close resumed>) = 0 [pid 5028] lstat("./76/cgroup.cpu", [pid 6039] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6036] close(20 [pid 6034] exit_group(0 [pid 5031] rmdir("./79" [pid 5029] lstat("./77/cgroup.net", [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6039] <... mprotect resumed>) = 0 [pid 6037] <... futex resumed>) = ? [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6034] <... exit_group resumed>) = ? [pid 5031] <... rmdir resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] unlink("./76/cgroup.cpu" [pid 6039] 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 6037] +++ exited with 0 +++ [pid 5028] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6040 attached [pid 5028] umount2("./76/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6040] set_robust_list(0x7f4e92bc39e0, 24 [pid 6039] <... clone resumed>, parent_tid=[165], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 165 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6040] <... set_robust_list resumed>) = 0 [pid 6039] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] close(21 [pid 6034] +++ exited with 0 +++ [pid 5031] mkdir("./80", 0777 [pid 5029] unlink("./77/cgroup.net" [pid 5028] lstat("./76/cgroup", [pid 6040] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6039] <... futex resumed>) = 0 [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... mkdir resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 6040] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6039] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6036] close(22 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=168, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6040] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] umount2("./77/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./76/cgroup" [pid 6040] <... futex resumed>) = 0 [pid 6039] close(3 [pid 5033] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6041 attached [pid 6040] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] close(23 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] getdents64(3, [pid 6041] set_robust_list(0x55555580e6e0, 24 [pid 6039] close(4 [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 162 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6041] <... set_robust_list resumed>) = 0 [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] close(24 [pid 5033] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] lstat("./77/cgroup.cpu", [pid 6041] chdir("./80" [pid 6039] close(5 [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... openat resumed>) = 3 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] close(3 [pid 6041] <... chdir resumed>) = 0 [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] close(25 [pid 5033] fstat(3, [pid 5029] unlink("./77/cgroup.cpu" [pid 5028] <... close resumed>) = 0 [pid 6041] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6039] close(6 [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] rmdir("./76" [pid 6041] <... prctl resumed>) = 0 [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] close(26 [pid 5033] getdents64(3, [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... rmdir resumed>) = 0 [pid 6041] setpgid(0, 0 [pid 6039] close(7 [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] umount2("./77/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6041] <... setpgid resumed>) = 0 [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] close(27 [pid 5033] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] mkdir("./77", 0777 [pid 6041] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6039] close(8 [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./77/cgroup", [pid 6041] <... symlink resumed>) = 0 [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] close(28 [pid 5033] lstat("./83/binderfs", [pid 5028] <... mkdir resumed>) = 0 [pid 6041] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6039] close(9 [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6042 attached [pid 6041] <... symlink resumed>) = 0 [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] close(29 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] unlink("./77/cgroup" [pid 6042] set_robust_list(0x55555580e6e0, 24 [pid 6041] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6039] close(10 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 156 [pid 6042] <... set_robust_list resumed>) = 0 [pid 6041] <... symlink resumed>) = 0 [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] <... 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 5033] unlink("./83/binderfs" [pid 5029] <... unlink resumed>) = 0 [pid 6042] chdir("./77" [pid 6041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6039] close(11 [pid 6036] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6042] <... chdir resumed>) = 0 [pid 6041] <... openat resumed>) = 3 [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5029] getdents64(3, [pid 6042] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6041] write(3, "1000", 4 [pid 6039] close(12 [pid 6036] <... write resumed>) = 335 [pid 5033] umount2("./83/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6042] <... prctl resumed>) = 0 [pid 6041] <... write resumed>) = 4 [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] exit_group(0 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6042] setpgid(0, 0 [pid 6041] close(3 [pid 6039] close(13 [pid 6038] <... futex resumed>) = ? [pid 6036] <... exit_group resumed>) = ? [pid 5033] lstat("./83/cgroup.net", [pid 5029] close(3 [pid 6042] <... setpgid resumed>) = 0 [pid 6041] <... close resumed>) = 0 [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6038] +++ exited with 0 +++ [pid 6042] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6041] read(200, [pid 6039] close(14 [pid 6042] <... symlink resumed>) = 0 [pid 6041] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... close resumed>) = 0 [pid 6042] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6041] symlink("/dev/binderfs", "./binderfs" [pid 6039] close(15 [pid 5033] unlink("./83/cgroup.net" [pid 5029] rmdir("./77" [pid 6042] <... symlink resumed>) = 0 [pid 6041] <... symlink resumed>) = 0 [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] +++ exited with 0 +++ [pid 5033] <... unlink resumed>) = 0 [pid 5029] <... rmdir resumed>) = 0 [pid 6042] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6041] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] close(16 [pid 5033] umount2("./83/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=156, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6042] <... symlink resumed>) = 0 [pid 6041] <... futex resumed>) = 0 [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] mkdir("./78", 0777 [pid 6042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6041] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6039] close(17 [pid 6042] <... openat resumed>) = 3 [pid 6041] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6042] write(3, "1000", 4 [pid 6041] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6039] close(18 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6042] <... write resumed>) = 4 [pid 6041] <... mprotect resumed>) = 0 [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... mkdir resumed>) = 0 [pid 6042] close(3 [pid 6041] 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 6039] close(19 [pid 5033] lstat("./83/cgroup.cpu", [pid 5030] <... openat resumed>) = 3 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6043 attached ./strace-static-x86_64: Process 6044 attached [pid 6042] <... close resumed>) = 0 [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] fstat(3, [pid 6044] set_robust_list(0x55555580e6e0, 24 [pid 6043] set_robust_list(0x7f4e92bc39e0, 24 [pid 6042] read(200, [pid 6041] <... clone resumed>, parent_tid=[163], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 163 [pid 6039] close(20 [pid 5033] unlink("./83/cgroup.cpu" [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 158 [pid 6044] <... set_robust_list resumed>) = 0 [pid 6043] <... set_robust_list resumed>) = 0 [pid 6042] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6041] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5030] getdents64(3, [pid 6044] chdir("./78" [pid 6043] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6042] symlink("/dev/binderfs", "./binderfs" [pid 6041] <... futex resumed>) = 0 [pid 6039] close(21 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6043] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6042] <... symlink resumed>) = 0 [pid 6041] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./83/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6044] <... chdir resumed>) = 0 [pid 6043] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6039] close(22 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6044] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6043] <... futex resumed>) = 0 [pid 6042] <... futex resumed>) = 0 [pid 6041] close(3 [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] lstat("./77/binderfs", [pid 6044] <... prctl resumed>) = 0 [pid 6043] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6042] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6039] close(23 [pid 5033] lstat("./83/cgroup", [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6044] setpgid(0, 0 [pid 6042] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6041] close(4 [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] unlink("./77/binderfs" [pid 6044] <... setpgid resumed>) = 0 [pid 6042] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6039] close(24 [pid 5033] unlink("./83/cgroup" [pid 5030] <... unlink resumed>) = 0 [pid 6044] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6042] <... mprotect resumed>) = 0 [pid 6041] close(5 [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./77/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5033] <... unlink resumed>) = 0 [pid 6044] <... symlink resumed>) = 0 [pid 6042] 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 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6039] close(25 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6045 attached [pid 6044] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6041] close(6 [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5030] lstat("./77/cgroup.net", [pid 6045] set_robust_list(0x7f4e92bc39e0, 24 [pid 6044] <... symlink resumed>) = 0 [pid 6042] <... clone resumed>, parent_tid=[157], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 157 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6039] close(26 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6045] <... set_robust_list resumed>) = 0 [pid 6044] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6042] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] close(7 [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5030] unlink("./77/cgroup.net" [pid 6045] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6044] <... symlink resumed>) = 0 [pid 6042] <... futex resumed>) = 0 [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6039] close(27 [pid 5033] <... close resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 6045] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6042] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6041] close(8 [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] rmdir("./83" [pid 5030] umount2("./77/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6045] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] <... openat resumed>) = 3 [pid 6042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6039] close(28 [pid 5033] <... rmdir resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6045] <... futex resumed>) = 0 [pid 6044] write(3, "1000", 4 [pid 6042] close(3 [pid 6041] close(9 [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./84", 0777 [pid 5030] lstat("./77/cgroup.cpu", [pid 6045] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6044] <... write resumed>) = 4 [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6039] close(29 [pid 5033] <... mkdir resumed>) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6044] close(3 [pid 6042] close(4 [pid 6041] close(10 [pid 6039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6044] <... close resumed>) = 0 [pid 6042] <... 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 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6039] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5030] unlink("./77/cgroup.cpu" [pid 6044] read(200, [pid 6042] close(5 [pid 6041] close(11 [pid 6039] <... write resumed>) = 335 [pid 5030] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6046 attached [pid 6044] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6039] exit_group(0 [pid 5030] umount2("./77/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6046] set_robust_list(0x55555580e6e0, 24 [pid 6044] symlink("/dev/binderfs", "./binderfs" [pid 6042] close(6 [pid 6041] close(12 [pid 6040] <... futex resumed>) = ? [pid 6039] <... exit_group resumed>) = ? [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 170 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6046] <... set_robust_list resumed>) = 0 [pid 6044] <... symlink resumed>) = 0 [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6040] +++ exited with 0 +++ [pid 6039] +++ exited with 0 +++ [pid 5030] lstat("./77/cgroup", [pid 6046] chdir("./84" [pid 6044] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] close(7 [pid 6041] close(13 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=164, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6046] <... chdir resumed>) = 0 [pid 6044] <... futex resumed>) = 0 [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./77/cgroup" [pid 6042] close(8 [pid 6041] close(14 [pid 5030] <... unlink resumed>) = 0 [pid 6046] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] getdents64(3, [pid 6046] <... prctl resumed>) = 0 [pid 6044] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6042] close(9 [pid 6041] close(15 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6044] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] close(3 [pid 6046] setpgid(0, 0 [pid 6044] <... mprotect resumed>) = 0 [pid 6042] close(10 [pid 6041] close(16 [pid 5030] <... close resumed>) = 0 [pid 6046] <... setpgid resumed>) = 0 [pid 6044] 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 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] rmdir("./77"./strace-static-x86_64: Process 6047 attached [pid 6046] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6042] close(11 [pid 6041] close(17 [pid 5030] <... rmdir resumed>) = 0 [pid 6047] set_robust_list(0x7f4e92bc39e0, 24 [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] mkdir("./78", 0777 [pid 6047] <... set_robust_list resumed>) = 0 [pid 6046] <... symlink resumed>) = 0 [pid 6044] <... clone resumed>, parent_tid=[159], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 159 [pid 6042] close(12 [pid 6041] close(18 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... mkdir resumed>) = 0 [pid 6047] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6046] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6044] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6048 attached [pid 6047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6046] <... symlink resumed>) = 0 [pid 6044] <... futex resumed>) = 0 [pid 6042] close(13 [pid 6041] close(19 [pid 5032] <... openat resumed>) = 3 [pid 6048] set_robust_list(0x55555580e6e0, 24 [pid 6047] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6046] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6044] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] fstat(3, [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 158 [pid 6048] <... set_robust_list resumed>) = 0 [pid 6047] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6046] <... symlink resumed>) = 0 [pid 6042] close(14 [pid 6041] close(20 [pid 6048] chdir("./78" [pid 6047] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6048] <... chdir resumed>) = 0 [pid 6047] <... futex resumed>) = 1 [pid 6046] <... openat resumed>) = 3 [pid 6044] <... futex resumed>) = 0 [pid 6042] close(15 [pid 6041] close(21 [pid 5032] getdents64(3, [pid 6048] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6047] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6046] write(3, "1000", 4 [pid 6044] close(3 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6048] <... prctl resumed>) = 0 [pid 6046] <... write resumed>) = 4 [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6048] setpgid(0, 0 [pid 6046] close(3 [pid 6044] close(4 [pid 6042] close(16 [pid 6041] close(22 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6048] <... setpgid resumed>) = 0 [pid 6046] <... close resumed>) = 0 [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6048] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6046] read(200, [pid 6044] close(5 [pid 6042] close(17 [pid 6041] close(23 [pid 5032] lstat("./81/binderfs", [pid 6048] <... symlink resumed>) = 0 [pid 6046] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6048] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6044] close(6 [pid 6042] close(18 [pid 6041] close(24 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6048] <... symlink resumed>) = 0 [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6048] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6046] symlink("/dev/binderfs", "./binderfs" [pid 6044] close(7 [pid 6042] close(19 [pid 6041] close(25 [pid 6048] <... symlink resumed>) = 0 [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6044] close(8 [pid 6042] close(20 [pid 6041] close(26 [pid 5032] unlink("./81/binderfs" [pid 6048] <... openat resumed>) = 3 [pid 6046] <... symlink resumed>) = 0 [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6048] write(3, "1000", 4 [pid 6044] close(9 [pid 6042] close(21 [pid 6041] close(27 [pid 6048] <... write resumed>) = 4 [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 6048] close(3 [pid 6046] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] close(10 [pid 6042] close(22 [pid 6041] close(28 [pid 6048] <... close resumed>) = 0 [pid 6046] <... futex resumed>) = 0 [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./81/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6048] read(200, [pid 6046] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6044] close(11 [pid 6042] close(23 [pid 6041] close(29 [pid 6048] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6046] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6048] 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 6046] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6044] close(12 [pid 6042] close(24 [pid 6041] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6048] <... symlink resumed>) = 0 [pid 6046] <... mprotect resumed>) = 0 [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] <... write resumed>) = 335 [pid 5032] lstat("./81/cgroup.net", [pid 6048] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] 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 6044] close(13 [pid 6042] close(25 [pid 6041] exit_group(0./strace-static-x86_64: Process 6049 attached [pid 6048] <... futex resumed>) = 0 [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6043] <... futex resumed>) = ? [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] <... exit_group resumed>) = ? [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6049] set_robust_list(0x7f4e92bc39e0, 24 [pid 6048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6046] <... clone resumed>, parent_tid=[171], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 171 [pid 6044] close(14 [pid 6043] +++ exited with 0 +++ [pid 6042] close(26 [pid 5032] unlink("./81/cgroup.net" [pid 6049] <... set_robust_list resumed>) = 0 [pid 6048] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6046] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] +++ exited with 0 +++ [pid 6049] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6048] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6046] <... futex resumed>) = 0 [pid 6044] close(15 [pid 6042] close(27 [pid 6049] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6048] <... mprotect resumed>) = 0 [pid 6046] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... 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] <... unlink resumed>) = 0 [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=162, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6049] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] 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 6046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6044] close(16 [pid 6042] close(28./strace-static-x86_64: Process 6050 attached [pid 6049] <... futex resumed>) = 0 [pid 6046] close(3 [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] set_robust_list(0x7f4e92bc39e0, 24 [pid 6049] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6048] <... clone resumed>, parent_tid=[159], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 159 [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6044] close(17 [pid 6042] close(29 [pid 5032] umount2("./81/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6050] <... set_robust_list resumed>) = 0 [pid 6048] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] close(4 [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6050] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6048] <... futex resumed>) = 0 [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6044] close(18 [pid 6042] 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 6050] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6048] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6046] close(5 [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... write resumed>) = 335 [pid 5032] lstat("./81/cgroup.cpu", [pid 6050] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6044] close(19 [pid 6042] exit_group(0 [pid 6050] <... futex resumed>) = 0 [pid 6048] close(3 [pid 6046] close(6 [pid 6045] <... futex resumed>) = ? [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... exit_group resumed>) = ? [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6050] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6045] +++ exited with 0 +++ [pid 6044] close(20 [pid 6042] +++ exited with 0 +++ [pid 5032] unlink("./81/cgroup.cpu" [pid 5031] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6048] close(4 [pid 6046] close(7 [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6044] close(21 [pid 6048] close(5 [pid 6046] close(8 [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6044] close(22 [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6048] close(6 [pid 6046] close(9 [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6044] close(23 [pid 5031] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=156, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5032] umount2("./81/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6048] close(7 [pid 6046] close(10 [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6044] close(24 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... openat resumed>) = 3 [pid 5028] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6048] close(8 [pid 6046] close(11 [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6044] close(25 [pid 6048] close(9 [pid 6046] close(12 [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6044] close(26 [pid 5032] lstat("./81/cgroup", [pid 5031] fstat(3, [pid 6048] close(10 [pid 6046] close(13 [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6044] close(27 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6048] close(11 [pid 6046] close(14 [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... openat resumed>) = 3 [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6044] close(28 [pid 5032] unlink("./81/cgroup" [pid 5031] getdents64(3, [pid 6048] close(12 [pid 6046] close(15 [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] fstat(3, [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6044] close(29 [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6048] close(13 [pid 6046] close(16 [pid 6044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6044] 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] getdents64(3, [pid 5031] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] getdents64(3, [pid 6048] close(14 [pid 6046] close(17 [pid 6044] <... write resumed>) = 335 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6044] exit_group(0 [pid 5032] close(3 [pid 5031] lstat("./80/binderfs", [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6048] close(15 [pid 6047] <... futex resumed>) = ? [pid 6046] close(18 [pid 6044] <... exit_group resumed>) = ? [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6047] +++ exited with 0 +++ [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... close resumed>) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6048] close(16 [pid 6046] close(19 [pid 6044] +++ exited with 0 +++ [pid 5032] rmdir("./81" [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./80/binderfs" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6048] close(17 [pid 6046] close(20 [pid 5032] <... rmdir resumed>) = 0 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=158, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5028] lstat("./77/binderfs", [pid 6046] close(21) = -1 EBADF (Bad file descriptor) [pid 5029] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6046] close(22 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] mkdir("./82", 0777 [pid 5029] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6048] close(18 [pid 6046] close(23 [pid 5031] umount2("./80/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... openat resumed>) = 3 [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... mkdir resumed>) = 0 [pid 5029] fstat(3, [pid 5028] unlink("./77/binderfs" [pid 6048] close(19 [pid 6046] close(24 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] getdents64(3, [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] close(25 [pid 5031] lstat("./80/cgroup.net", [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] <... unlink resumed>) = 0 [pid 6048] close(20 [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] close(26 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./77/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6048] close(21 [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./80/cgroup.net" [pid 5029] lstat("./78/binderfs", [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] close(27 [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6051 attached [pid 6048] close(22 [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./80/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./78/binderfs" [pid 5028] lstat("./77/cgroup.net", [pid 6051] set_robust_list(0x55555580e6e0, 24 [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] close(28 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 166 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6051] <... set_robust_list resumed>) = 0 [pid 6048] close(23 [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./80/cgroup.cpu", [pid 5029] <... unlink resumed>) = 0 [pid 5028] unlink("./77/cgroup.net" [pid 6051] chdir("./82" [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] close(29 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] umount2("./78/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... 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 6051] <... chdir resumed>) = 0 [pid 6048] close(24 [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./80/cgroup.cpu" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./77/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6051] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] 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 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6048] close(25 [pid 5031] umount2("./80/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] lstat("./77/cgroup.cpu", [pid 6051] <... prctl resumed>) = 0 [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] <... write resumed>) = 335 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./78/cgroup.net", [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6051] setpgid(0, 0 [pid 6048] close(26 [pid 6046] exit_group(0 [pid 5031] lstat("./80/cgroup", [pid 5028] unlink("./77/cgroup.cpu" [pid 6051] <... setpgid resumed>) = 0 [pid 6049] <... futex resumed>) = ? [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] <... exit_group resumed>) = ? [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6051] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6049] +++ exited with 0 +++ [pid 6048] close(27 [pid 5031] unlink("./80/cgroup" [pid 5028] umount2("./77/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6048] close(28 [pid 5031] getdents64(3, [pid 5028] lstat("./77/cgroup", [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6048] close(29 [pid 6046] +++ exited with 0 +++ [pid 5031] close(3 [pid 5029] unlink("./78/cgroup.net" [pid 6051] <... symlink resumed>) = 0 [pid 5028] unlink("./77/cgroup" [pid 6051] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... close resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 6051] <... symlink resumed>) = 0 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=170, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5029] umount2("./78/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 [pid 6051] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6048] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] umount2("./84", 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] rmdir("./80" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6051] <... symlink resumed>) = 0 [pid 6048] <... write resumed>) = 335 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./78/cgroup.cpu", [pid 5028] getdents64(3, [pid 6051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6048] exit_group(0 [pid 5033] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] <... rmdir resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6051] <... openat resumed>) = 3 [pid 5033] <... openat resumed>) = 3 [pid 5029] unlink("./78/cgroup.cpu" [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6051] write(3, "1000", 4 [pid 5033] fstat(3, [pid 5029] <... unlink resumed>) = 0 [pid 6051] <... write resumed>) = 4 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] umount2("./78/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] close(3 [pid 6051] close(3 [pid 6050] <... futex resumed>) = ? [pid 6048] <... exit_group resumed>) = ? [pid 5033] getdents64(3, [pid 5031] mkdir("./81", 0777 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6051] <... close resumed>) = 0 [pid 6050] +++ exited with 0 +++ [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] lstat("./78/cgroup", [pid 5028] <... close resumed>) = 0 [pid 6051] read(200, [pid 5033] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6051] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./78/cgroup" [pid 6051] symlink("/dev/binderfs", "./binderfs" [pid 5033] lstat("./84/binderfs", [pid 5031] <... mkdir resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5028] rmdir("./77" [pid 6051] <... symlink resumed>) = 0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] getdents64(3, [pid 6051] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] unlink("./84/binderfs" [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... rmdir resumed>) = 0 [pid 6051] <... futex resumed>) = 0 [pid 5033] <... unlink resumed>) = 0 [pid 5029] close(3 [pid 6051] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5033] umount2("./84/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... close resumed>) = 0 [pid 6051] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] rmdir("./78" [pid 6051] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5033] lstat("./84/cgroup.net", [pid 5029] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6052 attached [pid 6051] <... mprotect resumed>) = 0 [pid 6048] +++ exited with 0 +++ [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] mkdir("./79", 0777 [pid 5028] mkdir("./78", 0777 [pid 6052] set_robust_list(0x55555580e6e0, 24 [pid 6051] 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("./84/cgroup.net" [pid 5029] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6053 attached [pid 6052] <... set_robust_list resumed>) = 0 [pid 5033] <... unlink resumed>) = 0 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6054 attached [pid 6053] set_robust_list(0x7f4e92bc39e0, 24 [pid 6052] chdir("./81" [pid 6051] <... clone resumed>, parent_tid=[167], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 167 [pid 5033] umount2("./84/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 164 [pid 5028] <... mkdir resumed>) = 0 [pid 6054] set_robust_list(0x55555580e6e0, 24 [pid 6053] <... set_robust_list resumed>) = 0 [pid 6052] <... chdir resumed>) = 0 [pid 6051] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6054] <... set_robust_list resumed>) = 0 [pid 6053] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6052] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6051] <... futex resumed>) = 0 [pid 5033] lstat("./84/cgroup.cpu", [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=158, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 160 ./strace-static-x86_64: Process 6055 attached [pid 6054] chdir("./79" [pid 6053] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6052] <... prctl resumed>) = 0 [pid 6051] 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 6055] set_robust_list(0x55555580e6e0, 24 [pid 6054] <... chdir resumed>) = 0 [pid 6053] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] setpgid(0, 0 [pid 6051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] unlink("./84/cgroup.cpu" [pid 5030] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6055] <... set_robust_list resumed>) = 0 [pid 6054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6053] <... futex resumed>) = 0 [pid 6052] <... setpgid resumed>) = 0 [pid 6051] close(3 [pid 5033] <... unlink resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 158 [pid 6055] chdir("./78" [pid 6054] <... prctl resumed>) = 0 [pid 6053] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6052] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./84/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6055] <... chdir resumed>) = 0 [pid 6054] setpgid(0, 0 [pid 6052] <... symlink resumed>) = 0 [pid 6051] close(4 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6054] <... setpgid resumed>) = 0 [pid 6052] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./84/cgroup", [pid 5030] <... openat resumed>) = 3 [pid 6055] <... prctl resumed>) = 0 [pid 6054] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6052] <... symlink resumed>) = 0 [pid 6051] close(5 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] fstat(3, [pid 6055] setpgid(0, 0 [pid 6054] <... symlink resumed>) = 0 [pid 6052] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./84/cgroup" [pid 6055] <... setpgid resumed>) = 0 [pid 6054] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6052] <... symlink resumed>) = 0 [pid 6051] close(6 [pid 5033] <... unlink resumed>) = 0 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6055] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6054] <... symlink resumed>) = 0 [pid 6052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 6055] <... symlink resumed>) = 0 [pid 6054] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6052] <... openat resumed>) = 3 [pid 6051] close(7 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] getdents64(3, [pid 6055] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6054] <... symlink resumed>) = 0 [pid 6052] write(3, "1000", 4 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6055] <... symlink resumed>) = 0 [pid 6054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6052] <... write resumed>) = 4 [pid 6051] close(8 [pid 5033] <... close resumed>) = 0 [pid 6055] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6054] <... openat resumed>) = 3 [pid 6052] close(3 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] rmdir("./84" [pid 5030] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6055] <... symlink resumed>) = 0 [pid 6054] write(3, "1000", 4 [pid 6052] <... close resumed>) = 0 [pid 6051] close(9 [pid 5033] <... rmdir resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6054] <... write resumed>) = 4 [pid 6052] read(200, [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./85", 0777 [pid 6055] <... openat resumed>) = 3 [pid 6054] close(3 [pid 6052] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6051] close(10 [pid 5033] <... mkdir resumed>) = 0 [pid 5030] lstat("./78/binderfs", [pid 6055] write(3, "1000", 4 [pid 6054] <... close resumed>) = 0 [pid 6052] symlink("/dev/binderfs", "./binderfs" [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6056 attached [pid 6055] <... write resumed>) = 4 [pid 6054] read(200, [pid 6052] <... symlink resumed>) = 0 [pid 6051] close(11 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6055] close(3 [pid 6054] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6052] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 172 [pid 6056] set_robust_list(0x55555580e6e0, 24 [pid 6055] <... close resumed>) = 0 [pid 6054] symlink("/dev/binderfs", "./binderfs" [pid 6052] <... futex resumed>) = 0 [pid 6051] close(12 [pid 5030] unlink("./78/binderfs" [pid 6056] <... set_robust_list resumed>) = 0 [pid 6055] read(200, [pid 6054] <... symlink resumed>) = 0 [pid 6052] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] chdir("./85" [pid 6055] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6054] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6051] close(13 [pid 5030] <... unlink resumed>) = 0 [pid 6055] symlink("/dev/binderfs", "./binderfs" [pid 6054] <... futex resumed>) = 0 [pid 6052] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] <... chdir resumed>) = 0 [pid 6055] <... symlink resumed>) = 0 [pid 6054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6052] <... mprotect resumed>) = 0 [pid 6051] close(14 [pid 5030] umount2("./78/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6055] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6052] 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 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6056] <... prctl resumed>) = 0 [pid 6055] <... futex resumed>) = 0 [pid 6054] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5030] lstat("./78/cgroup.net", ./strace-static-x86_64: Process 6057 attached [pid 6056] setpgid(0, 0 [pid 6055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6054] <... mprotect resumed>) = 0 [pid 6051] close(15 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6057] set_robust_list(0x7f4e92bc39e0, 24 [pid 6056] <... setpgid resumed>) = 0 [pid 5030] unlink("./78/cgroup.net" [pid 6057] <... set_robust_list resumed>) = 0 [pid 6056] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6055] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6054] 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 6052] <... clone resumed>, parent_tid=[165], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 165 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6058 attached [pid 6057] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6056] <... symlink resumed>) = 0 [pid 6055] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6052] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] close(16 [pid 5030] umount2("./78/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6058] set_robust_list(0x7f4e92bc39e0, 24 [pid 6057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6056] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6055] <... mprotect resumed>) = 0 [pid 6054] <... clone resumed>, parent_tid=[161], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 161 [pid 6052] <... futex resumed>) = 0 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6058] <... set_robust_list resumed>) = 0 [pid 6057] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6056] <... symlink resumed>) = 0 [pid 6055] 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 6054] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6051] close(17./strace-static-x86_64: Process 6059 attached [pid 6058] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6057] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6056] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6054] <... futex resumed>) = 0 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./78/cgroup.cpu", [pid 6059] set_robust_list(0x7f4e92bc39e0, 24 [pid 6058] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6057] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] <... symlink resumed>) = 0 [pid 6055] <... clone resumed>, parent_tid=[159], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 159 [pid 6054] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6051] close(18 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6059] <... set_robust_list resumed>) = 0 [pid 6058] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... futex resumed>) = 1 [pid 6056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6055] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6052] <... futex resumed>) = 0 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6058] <... futex resumed>) = 0 [pid 6057] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6056] <... openat resumed>) = 3 [pid 6055] <... futex resumed>) = 0 [pid 6054] close(3 [pid 6052] close(3 [pid 6051] close(19 [pid 5030] unlink("./78/cgroup.cpu" [pid 6059] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6058] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6056] write(3, "1000", 4 [pid 6055] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6059] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] <... write resumed>) = 4 [pid 6055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6054] close(4 [pid 6052] close(4 [pid 6051] close(20 [pid 6059] <... futex resumed>) = 0 [pid 6056] close(3 [pid 6055] close(3 [pid 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./78/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6059] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6056] <... close resumed>) = 0 [pid 6055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6054] close(5 [pid 6052] close(5 [pid 6051] close(21 [pid 6055] close(4 [pid 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6056] read(200, [pid 6055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6054] close(6 [pid 6052] close(6 [pid 6051] close(22 [pid 5030] lstat("./78/cgroup", [pid 6056] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6055] close(5 [pid 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] symlink("/dev/binderfs", "./binderfs" [pid 6055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6056] <... symlink resumed>) = 0 [pid 6054] close(7 [pid 6052] close(7 [pid 6051] close(23 [pid 5030] unlink("./78/cgroup" [pid 6056] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] close(6 [pid 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6056] <... futex resumed>) = 0 [pid 6055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6054] close(8 [pid 6052] close(8 [pid 6051] close(24 [pid 5030] getdents64(3, [pid 6056] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6055] close(7 [pid 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6056] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6054] close(9 [pid 6052] close(9 [pid 6051] close(25 [pid 5030] close(3 [pid 6056] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6055] close(8 [pid 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = 0 [pid 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] <... mprotect resumed>) = 0 [pid 6055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6054] close(10 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] rmdir("./78" [pid 6056] 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 6055] close(9 [pid 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] close(10 [pid 6051] close(26 [pid 5030] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6060 attached [pid 6055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6054] close(11 [pid 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] mkdir("./79", 0777 [pid 6060] set_robust_list(0x7f4e92bc39e0, 24 [pid 6056] <... clone resumed>, parent_tid=[173], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 173 [pid 6055] close(10 [pid 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] close(11 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... mkdir resumed>) = 0 [pid 6060] <... set_robust_list resumed>) = 0 [pid 6056] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6054] close(12 [pid 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] close(27 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6061 attached [pid 6060] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6056] <... futex resumed>) = 0 [pid 6055] close(11 [pid 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] close(12 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6061] set_robust_list(0x55555580e6e0, 24 [pid 6060] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6056] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6054] close(13 [pid 6061] <... set_robust_list resumed>) = 0 [pid 6060] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] close(28 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 160 [pid 6061] chdir("./79" [pid 6054] close(14 [pid 6061] <... chdir resumed>) = 0 [pid 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6061] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6054] close(15 [pid 6061] <... prctl resumed>) = 0 [pid 6060] <... futex resumed>) = 1 [pid 6056] <... futex resumed>) = 0 [pid 6055] close(12 [pid 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] close(13 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6061] setpgid(0, 0 [pid 6056] close(3 [pid 6054] close(16 [pid 6061] <... setpgid resumed>) = 0 [pid 6060] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] close(29 [pid 6061] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6056] close(4 [pid 6055] close(13 [pid 6054] close(17 [pid 6052] close(14 [pid 6051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6061] <... symlink resumed>) = 0 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6061] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6056] close(5 [pid 6055] close(14 [pid 6054] close(18 [pid 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6061] <... symlink resumed>) = 0 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] <... 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 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6061] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6056] close(6 [pid 6055] close(15 [pid 6054] close(19 [pid 6052] close(15 [pid 6051] <... write resumed>) = 335 [pid 6061] <... symlink resumed>) = 0 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6051] exit_group(0 [pid 6061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6056] close(7 [pid 6055] close(16 [pid 6054] close(20 [pid 6053] <... futex resumed>) = ? [pid 6052] close(16 [pid 6051] <... exit_group resumed>) = ? [pid 6061] <... openat resumed>) = 3 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6053] +++ exited with 0 +++ [pid 6061] write(3, "1000", 4 [pid 6056] close(8 [pid 6055] close(17 [pid 6054] close(21 [pid 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6061] <... write resumed>) = 4 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] close(17 [pid 6051] +++ exited with 0 +++ [pid 6061] close(3 [pid 6056] close(9 [pid 6055] close(18 [pid 6054] close(22 [pid 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6061] <... close resumed>) = 0 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] close(18 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=166, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6061] read(200, [pid 6056] close(10 [pid 6055] close(19 [pid 6054] close(23 [pid 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] restart_syscall(<... resuming interrupted clone ...> [pid 6061] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6061] symlink("/dev/binderfs", "./binderfs" [pid 6056] close(11 [pid 6055] close(20 [pid 6054] close(24 [pid 6052] close(19 [pid 5032] <... restart_syscall resumed>) = 0 [pid 6061] <... symlink resumed>) = 0 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6061] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] close(12 [pid 6055] close(21 [pid 6054] close(25 [pid 6052] close(20 [pid 6061] <... futex resumed>) = 0 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6061] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6056] close(13 [pid 6055] close(22 [pid 6054] close(26 [pid 6052] close(21 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6061] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6061] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6056] close(14 [pid 6055] close(23 [pid 6054] close(27 [pid 6052] close(22 [pid 5032] <... openat resumed>) = 3 [pid 6055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] fstat(3, [pid 6061] <... mprotect resumed>) = 0 [pid 6055] close(24 [pid 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] close(23 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6054] close(28 [pid 6061] 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 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] getdents64(3, ./strace-static-x86_64: Process 6062 attached [pid 6056] close(15 [pid 6055] close(25 [pid 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] close(24 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6062] set_robust_list(0x7f4e92bc39e0, 24 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6054] close(29 [pid 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6062] <... set_robust_list resumed>) = 0 [pid 6061] <... clone resumed>, parent_tid=[161], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 161 [pid 6056] close(16 [pid 6055] close(26 [pid 6054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] close(25 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6062] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6061] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] <... 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 6054] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./82/binderfs", [pid 6062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6061] <... futex resumed>) = 0 [pid 6056] close(17 [pid 6055] close(27 [pid 6054] <... write resumed>) = 335 [pid 6052] close(26 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6062] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6061] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6054] exit_group(0 [pid 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./82/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 6062] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6058] <... futex resumed>) = ? [pid 6056] close(18 [pid 6055] close(28 [pid 6054] <... exit_group resumed>) = ? [pid 6052] close(27 [pid 5032] <... unlink resumed>) = 0 [pid 6062] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] +++ exited with 0 +++ [pid 6055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./82/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6062] <... futex resumed>) = 1 [pid 6061] <... futex resumed>) = 0 [pid 6055] close(29 [pid 6052] close(28 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6062] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6061] close(3 [pid 6055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./82/cgroup.net", [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6054] +++ exited with 0 +++ [pid 6052] close(29 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6061] close(4 [pid 6056] close(19 [pid 6055] <... write resumed>) = 335 [pid 6052] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./82/cgroup.net" [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] exit_group(0 [pid 6052] 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] <... unlink resumed>) = 0 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=160, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6061] close(5 [pid 6059] <... futex resumed>) = ? [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] <... exit_group resumed>) = ? [pid 6052] <... write resumed>) = 335 [pid 5032] umount2("./82/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] +++ exited with 0 +++ [pid 6056] close(20 [pid 6055] +++ exited with 0 +++ [pid 6052] exit_group(0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6061] close(6 [pid 6057] <... futex resumed>) = ? [pid 6052] <... exit_group resumed>) = ? [pid 5032] lstat("./82/cgroup.cpu", [pid 5029] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6057] +++ exited with 0 +++ [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] +++ exited with 0 +++ [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... openat resumed>) = 3 [pid 6061] close(7 [pid 5032] unlink("./82/cgroup.cpu" [pid 5029] fstat(3, [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] close(21 [pid 5032] <... unlink resumed>) = 0 [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=158, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6061] close(8 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./82/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] getdents64(3, [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] close(22 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=164, 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 5028] restart_syscall(<... resuming interrupted clone ...> [pid 6061] close(9 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./82/cgroup", [pid 5031] restart_syscall(<... resuming interrupted clone ...> [pid 5029] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... restart_syscall resumed>) = 0 [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] close(23 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] <... restart_syscall resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6061] close(10 [pid 5032] unlink("./82/cgroup" [pid 5029] lstat("./79/binderfs", [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6061] close(11 [pid 6056] close(24 [pid 5032] getdents64(3, [pid 5029] unlink("./79/binderfs" [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 6061] close(12 [pid 6056] close(25 [pid 5032] close(3 [pid 5031] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./79/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... close resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6061] close(13 [pid 5032] rmdir("./82" [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./79/cgroup.net", [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] close(26 [pid 5032] <... rmdir resumed>) = 0 [pid 5031] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6061] close(14 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] mkdir("./83", 0777 [pid 5031] <... openat resumed>) = 3 [pid 5029] unlink("./79/cgroup.net" [pid 5028] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] close(27 [pid 5032] <... mkdir resumed>) = 0 [pid 5031] fstat(3, [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... openat resumed>) = 3 [pid 6061] close(15 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] umount2("./79/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] fstat(3, [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] close(28 [pid 5031] getdents64(3, [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6061] close(16 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] getdents64(3, ./strace-static-x86_64: Process 6063 attached [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] close(29 [pid 5031] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] lstat("./79/cgroup.cpu", [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6063] set_robust_list(0x55555580e6e0, 24 [pid 6061] close(17 [pid 6056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 168 [pid 5031] <... 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 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6063] <... set_robust_list resumed>) = 0 [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] lstat("./81/binderfs", [pid 5029] unlink("./79/cgroup.cpu" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6063] chdir("./83" [pid 6061] close(18 [pid 6056] <... write resumed>) = 335 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] lstat("./78/binderfs", [pid 6063] <... chdir resumed>) = 0 [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6056] exit_group(0 [pid 5031] unlink("./81/binderfs" [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6063] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6061] close(19 [pid 6060] <... futex resumed>) = ? [pid 6056] <... exit_group resumed>) = ? [pid 5031] <... unlink resumed>) = 0 [pid 5028] unlink("./78/binderfs" [pid 6063] <... prctl resumed>) = 0 [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./81/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./79/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 [pid 6063] setpgid(0, 0 [pid 6061] close(20 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./78/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6063] <... setpgid resumed>) = 0 [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./81/cgroup.net", [pid 5029] lstat("./79/cgroup", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6063] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6061] close(21 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] lstat("./78/cgroup.net", [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./81/cgroup.net" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5028] unlink("./78/cgroup.net" [pid 5031] umount2("./81/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 [pid 6061] close(22 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./78/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6063] <... symlink resumed>) = 0 [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./81/cgroup.cpu", [pid 5029] unlink("./79/cgroup" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6063] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6061] close(23 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] lstat("./78/cgroup.cpu", [pid 6063] <... symlink resumed>) = 0 [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] +++ exited with 0 +++ [pid 6056] +++ exited with 0 +++ [pid 5031] unlink("./81/cgroup.cpu" [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=172, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5031] <... unlink resumed>) = 0 [pid 5028] unlink("./78/cgroup.cpu" [pid 6063] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6061] close(24 [pid 5031] umount2("./81/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 [pid 5029] getdents64(3, [pid 6063] <... symlink resumed>) = 0 [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./78/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6061] close(25 [pid 5033] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] lstat("./81/cgroup", [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6063] <... openat resumed>) = 3 [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] lstat("./78/cgroup", [pid 6063] write(3, "1000", 4 [pid 6061] close(26 [pid 5033] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] unlink("./81/cgroup" [pid 5029] close(3 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6063] <... write resumed>) = 4 [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... openat resumed>) = 3 [pid 5031] <... unlink resumed>) = 0 [pid 5028] unlink("./78/cgroup" [pid 6063] close(3 [pid 6061] close(27 [pid 5033] fstat(3, [pid 5031] getdents64(3, [pid 5029] <... close resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6063] <... close resumed>) = 0 [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] getdents64(3, [pid 6063] read(200, [pid 6061] close(28 [pid 5033] getdents64(3, [pid 5031] close(3 [pid 5029] rmdir("./79" [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] <... close resumed>) = 0 [pid 5028] close(3 [pid 6063] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6061] close(29 [pid 5033] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] rmdir("./81" [pid 5029] <... rmdir resumed>) = 0 [pid 5028] <... close resumed>) = 0 [pid 6063] symlink("/dev/binderfs", "./binderfs" [pid 6061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... rmdir resumed>) = 0 [pid 5029] mkdir("./80", 0777 [pid 5028] rmdir("./78" [pid 6063] <... symlink resumed>) = 0 [pid 6061] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] lstat("./85/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 5031] mkdir("./82", 0777 [pid 5028] <... rmdir resumed>) = 0 [pid 6063] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] <... write resumed>) = 335 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] <... mkdir resumed>) = 0 [pid 5029] <... mkdir resumed>) = 0 [pid 5028] mkdir("./79", 0777 [pid 6063] <... futex resumed>) = 0 [pid 6061] exit_group(0 [pid 5033] unlink("./85/binderfs" [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] <... mkdir resumed>) = 0 [pid 6063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6062] <... futex resumed>) = ? [pid 6061] <... exit_group resumed>) = ? [pid 5033] <... unlink resumed>) = 0 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6066 attached ./strace-static-x86_64: Process 6065 attached ./strace-static-x86_64: Process 6064 attached [pid 6063] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6062] +++ exited with 0 +++ [pid 5033] umount2("./85/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 166 [pid 6066] set_robust_list(0x55555580e6e0, 24 [pid 6065] set_robust_list(0x55555580e6e0, 24 [pid 6064] set_robust_list(0x55555580e6e0, 24 [pid 6063] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6066] <... set_robust_list resumed>) = 0 [pid 6065] <... set_robust_list resumed>) = 0 [pid 5033] lstat("./85/cgroup.net", [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 160 [pid 6066] chdir("./79" [pid 6065] chdir("./80" [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6066] <... chdir resumed>) = 0 [pid 6065] <... chdir resumed>) = 0 [pid 6064] <... set_robust_list resumed>) = 0 [pid 6063] <... mprotect resumed>) = 0 [pid 6061] +++ exited with 0 +++ [pid 5033] unlink("./85/cgroup.net" [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 162 [pid 6066] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5033] <... unlink resumed>) = 0 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=160, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6066] <... prctl resumed>) = 0 [pid 6065] <... prctl resumed>) = 0 [pid 5033] umount2("./85/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6066] setpgid(0, 0 [pid 6065] setpgid(0, 0 [pid 6064] chdir("./82" [pid 6063] 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] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6066] <... setpgid resumed>) = 0 [pid 6064] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 6067 attached [pid 6065] <... setpgid resumed>) = 0 [pid 6064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6063] <... clone resumed>, parent_tid=[169], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 169 [pid 5033] lstat("./85/cgroup.cpu", [pid 5030] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6067] set_robust_list(0x7f4e92bc39e0, 24 [pid 6066] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6065] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6064] <... prctl resumed>) = 0 [pid 6063] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6067] <... set_robust_list resumed>) = 0 [pid 6066] <... symlink resumed>) = 0 [pid 6064] setpgid(0, 0 [pid 6065] <... symlink resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5033] unlink("./85/cgroup.cpu" [pid 6067] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6066] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6065] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6064] <... setpgid resumed>) = 0 [pid 6063] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5033] <... unlink resumed>) = 0 [pid 5030] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6067] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6066] <... symlink resumed>) = 0 [pid 6065] <... symlink resumed>) = 0 [pid 6064] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5033] umount2("./85/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... openat resumed>) = 3 [pid 6067] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6065] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6064] <... symlink resumed>) = 0 [pid 6067] <... futex resumed>) = 1 [pid 6066] <... symlink resumed>) = 0 [pid 6065] <... symlink resumed>) = 0 [pid 6064] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] fstat(3, [pid 6067] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6064] <... symlink resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6066] <... openat resumed>) = 3 [pid 6065] <... openat resumed>) = 3 [pid 6064] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6063] close(3 [pid 5033] lstat("./85/cgroup", [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6066] write(3, "1000", 4 [pid 6065] write(3, "1000", 4 [pid 6064] <... symlink resumed>) = 0 [pid 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6066] <... write resumed>) = 4 [pid 6065] <... write resumed>) = 4 [pid 6064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6063] close(4 [pid 5033] unlink("./85/cgroup" [pid 5030] getdents64(3, [pid 6066] close(3 [pid 6065] close(3 [pid 6064] <... openat resumed>) = 3 [pid 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6066] <... close resumed>) = 0 [pid 6064] write(3, "1000", 4 [pid 6065] <... close resumed>) = 0 [pid 6064] <... write resumed>) = 4 [pid 6063] close(5 [pid 5033] getdents64(3, [pid 5030] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6066] read(200, [pid 6065] read(200, [pid 6064] close(3 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6066] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6065] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6064] <... close resumed>) = 0 [pid 6063] close(6 [pid 5033] close(3 [pid 5030] lstat("./79/binderfs", [pid 6066] symlink("/dev/binderfs", "./binderfs" [pid 6065] symlink("/dev/binderfs", "./binderfs" [pid 6064] read(200, [pid 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = 0 [pid 6066] <... symlink resumed>) = 0 [pid 6064] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6063] close(7 [pid 5033] rmdir("./85" [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6064] symlink("/dev/binderfs", "./binderfs" [pid 5033] <... rmdir resumed>) = 0 [pid 6064] <... symlink resumed>) = 0 [pid 5033] mkdir("./86", 0777 [pid 6066] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] <... symlink resumed>) = 0 [pid 6064] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... mkdir resumed>) = 0 [pid 5030] unlink("./79/binderfs" [pid 6066] <... futex resumed>) = 0 [pid 6065] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] <... futex resumed>) = 0 [pid 6063] close(8 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6068 attached [pid 6066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6065] <... futex resumed>) = 0 [pid 6064] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6068] set_robust_list(0x55555580e6e0, 24 [pid 6066] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6064] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6063] close(9 [pid 5030] umount2("./79/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6068] <... set_robust_list resumed>) = 0 [pid 6066] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6065] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6068] chdir("./86" [pid 6066] <... mprotect resumed>) = 0 [pid 6065] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6064] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6063] close(10 [pid 5030] lstat("./79/cgroup.net", [pid 6068] <... chdir resumed>) = 0 [pid 6066] 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 6065] <... mprotect resumed>) = 0 [pid 6064] <... mprotect resumed>) = 0 [pid 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 174 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6069 attached [pid 6068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6065] 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 6063] close(11 [pid 5030] unlink("./79/cgroup.net"./strace-static-x86_64: Process 6070 attached [pid 6069] set_robust_list(0x7f4e92bc39e0, 24 [pid 6068] <... prctl resumed>) = 0 [pid 6066] <... clone resumed>, parent_tid=[161], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 161 [pid 6064] 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 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6070] set_robust_list(0x7f4e92bc39e0, 24 [pid 6069] <... set_robust_list resumed>) = 0 [pid 6068] setpgid(0, 0 [pid 6066] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] <... clone resumed>, parent_tid=[163], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 163 [pid 6063] close(12 [pid 5030] umount2("./79/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6071 attached [pid 6070] <... set_robust_list resumed>) = 0 [pid 6069] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6068] <... setpgid resumed>) = 0 [pid 6066] <... futex resumed>) = 0 [pid 6065] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6071] set_robust_list(0x7f4e92bc39e0, 24 [pid 6070] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6069] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6068] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6066] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6065] <... futex resumed>) = 0 [pid 6063] close(13 [pid 5030] lstat("./79/cgroup.cpu", [pid 6071] <... set_robust_list resumed>) = 0 [pid 6070] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6068] <... symlink resumed>) = 0 [pid 6065] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6064] <... clone resumed>, parent_tid=[167], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 167 [pid 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6071] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6070] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6063] close(14 [pid 5030] unlink("./79/cgroup.cpu" [pid 6071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6070] <... futex resumed>) = 0 [pid 6069] <... futex resumed>) = 1 [pid 6068] <... symlink resumed>) = 0 [pid 6066] <... futex resumed>) = 0 [pid 6065] close(3 [pid 6064] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6071] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6070] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6069] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6066] close(3 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] <... futex resumed>) = 0 [pid 6063] close(15 [pid 5030] umount2("./79/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6071] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6068] <... symlink resumed>) = 0 [pid 6066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(4 [pid 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6071] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6066] close(4 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] close(16 [pid 5030] lstat("./79/cgroup", [pid 6071] <... futex resumed>) = 0 [pid 6068] <... openat resumed>) = 3 [pid 6066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(5 [pid 6064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6071] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] write(3, "1000", 4 [pid 6066] close(5 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] close(3 [pid 6063] close(17 [pid 5030] unlink("./79/cgroup" [pid 6068] <... write resumed>) = 4 [pid 6066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(6 [pid 6064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6068] close(3 [pid 6066] close(6 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] close(4 [pid 6063] close(18 [pid 5030] getdents64(3, [pid 6068] <... close resumed>) = 0 [pid 6066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(7 [pid 6064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6068] read(200, [pid 6066] close(7 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] close(5 [pid 6063] close(19 [pid 5030] close(3 [pid 6068] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(8 [pid 6064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = 0 [pid 6068] symlink("/dev/binderfs", "./binderfs" [pid 6066] close(8 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6063] close(20 [pid 5030] rmdir("./79" [pid 6068] <... symlink resumed>) = 0 [pid 6066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(9 [pid 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... rmdir resumed>) = 0 [pid 6068] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] close(9 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] close(6 [pid 6063] close(21 [pid 5030] mkdir("./80", 0777 [pid 6068] <... futex resumed>) = 0 [pid 6066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(10 [pid 6064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... mkdir resumed>) = 0 [pid 6068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6066] close(10 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] close(7 [pid 6063] close(22 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6068] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(11 [pid 6064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6072 attached [pid 6068] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6066] close(11 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] close(8 [pid 6063] close(23 [pid 6072] set_robust_list(0x55555580e6e0, 24 [pid 6068] <... mprotect resumed>) = 0 [pid 6066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(12 [pid 6064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6072] <... set_robust_list resumed>) = 0 [pid 6068] 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 6066] close(12 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] close(9 [pid 6063] close(24 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 162 ./strace-static-x86_64: Process 6073 attached [pid 6072] chdir("./80" [pid 6066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(13 [pid 6064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6073] set_robust_list(0x7f4e92bc39e0, 24 [pid 6072] <... chdir resumed>) = 0 [pid 6068] <... clone resumed>, parent_tid=[175], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 175 [pid 6066] close(13 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] close(10 [pid 6063] close(25 [pid 6073] <... set_robust_list resumed>) = 0 [pid 6072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6068] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(14 [pid 6064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6073] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6072] <... prctl resumed>) = 0 [pid 6068] <... futex resumed>) = 0 [pid 6066] close(14 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] close(11 [pid 6063] close(26 [pid 6073] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6072] setpgid(0, 0 [pid 6068] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(15 [pid 6064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6073] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] <... setpgid resumed>) = 0 [pid 6068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6066] close(15 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] close(12 [pid 6063] close(27 [pid 6073] <... futex resumed>) = 0 [pid 6072] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6068] close(3 [pid 6066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(16 [pid 6064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6073] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] <... symlink resumed>) = 0 [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6066] close(16 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] close(13 [pid 6072] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6068] close(4 [pid 6066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(17 [pid 6064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6063] close(28 [pid 6072] <... symlink resumed>) = 0 [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6066] close(17 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] close(14 [pid 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6072] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6068] close(5 [pid 6066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(18 [pid 6064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6063] close(29 [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6066] close(18 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] close(15 [pid 6072] <... symlink resumed>) = 0 [pid 6068] close(6 [pid 6064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] close(16 [pid 6068] close(7 [pid 6064] <... 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 6063] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6065] close(19 [pid 6072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] close(17 [pid 6068] close(8 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6063] <... write resumed>) = 335 [pid 6072] <... openat resumed>) = 3 [pid 6072] write(3, "1000", 4 [pid 6066] close(19 [pid 6065] close(20 [pid 6063] exit_group(0 [pid 6072] <... write resumed>) = 4 [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6067] <... futex resumed>) = ? [pid 6066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] close(18 [pid 6063] <... exit_group resumed>) = ? [pid 6072] close(3 [pid 6068] close(9 [pid 6067] +++ exited with 0 +++ [pid 6066] close(20 [pid 6065] close(21 [pid 6064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6072] <... close resumed>) = 0 [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] close(19 [pid 6072] read(200, [pid 6068] close(10 [pid 6066] close(21 [pid 6065] close(22 [pid 6064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6072] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] close(20 [pid 6063] +++ exited with 0 +++ [pid 6072] symlink("/dev/binderfs", "./binderfs" [pid 6068] close(11 [pid 6066] close(22 [pid 6065] close(23 [pid 6064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=168, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 6072] <... symlink resumed>) = 0 [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] close(21 [pid 6072] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] close(12 [pid 6066] close(23 [pid 6065] close(24 [pid 6064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6072] <... futex resumed>) = 0 [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] close(22 [pid 6066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6068] close(13 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6072] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6066] close(24 [pid 6065] close(25 [pid 6064] close(23 [pid 6072] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6068] close(14 [pid 6066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6072] <... mprotect resumed>) = 0 [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6066] close(25 [pid 6065] close(26 [pid 6064] close(24 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6068] close(15 [pid 6064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] close(25 [pid 5032] <... openat resumed>) = 3 [pid 6066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6072] 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 6068] close(16 [pid 6065] close(27 [pid 6064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] fstat(3, ./strace-static-x86_64: Process 6074 attached [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6066] close(26 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] close(26 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6074] set_robust_list(0x7f4e92bc39e0, 24 [pid 6068] close(17 [pid 6066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(28 [pid 6064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] getdents64(3, [pid 6074] <... set_robust_list resumed>) = 0 [pid 6072] <... clone resumed>, parent_tid=[163], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 163 [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6066] close(27 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] close(27 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6074] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] close(18 [pid 6066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(29 [pid 6064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6072] <... futex resumed>) = 0 [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6066] close(28 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6064] close(28 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6074] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6072] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6068] close(19 [pid 6066] <... 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 6065] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./83/binderfs", [pid 6074] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6066] close(29 [pid 6065] <... write resumed>) = 335 [pid 6064] close(29 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6074] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] close(20 [pid 6065] exit_group(0 [pid 6064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./83/binderfs" [pid 6074] <... futex resumed>) = 1 [pid 6072] <... futex resumed>) = 0 [pid 6070] <... futex resumed>) = ? [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] <... 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 6064] 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 6074] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] close(3 [pid 6070] +++ exited with 0 +++ [pid 6068] close(21 [pid 6066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] +++ exited with 0 +++ [pid 6064] <... write resumed>) = 335 [pid 5032] umount2("./83/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6072] close(4 [pid 6068] close(22 [pid 6064] exit_group(0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6066] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6064] <... exit_group resumed>) = ? [pid 5032] lstat("./83/cgroup.net", [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=162, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6072] close(5 [pid 6071] <... futex resumed>) = ? [pid 6068] close(23 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./83/cgroup.net" [pid 6072] close(6 [pid 6068] close(24 [pid 5032] <... unlink resumed>) = 0 [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./83/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6072] close(7 [pid 6068] close(25 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6071] +++ exited with 0 +++ [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6066] <... write resumed>) = 335 [pid 6064] +++ exited with 0 +++ [pid 5032] lstat("./83/cgroup.cpu", [pid 5029] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6072] close(8 [pid 6068] close(26 [pid 6066] exit_group(0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6069] <... futex resumed>) = ? [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6066] <... exit_group resumed>) = ? [pid 5032] unlink("./83/cgroup.cpu" [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=166, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5029] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6072] close(9 [pid 6069] +++ exited with 0 +++ [pid 6068] close(27 [pid 6066] +++ exited with 0 +++ [pid 5032] <... unlink resumed>) = 0 [pid 5029] <... openat resumed>) = 3 [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./83/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] fstat(3, [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=160, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6072] close(10 [pid 6068] close(28 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./83/cgroup", [pid 5029] getdents64(3, [pid 6072] close(11 [pid 6068] close(29 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./83/cgroup" [pid 5029] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6072] close(12 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 6068] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5031] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6072] close(13 [pid 6068] <... write resumed>) = 335 [pid 5032] getdents64(3, [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./80/binderfs", [pid 5028] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6068] exit_group(0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6073] <... futex resumed>) = ? [pid 6072] close(14 [pid 6068] <... exit_group resumed>) = ? [pid 5032] close(3 [pid 5029] unlink("./80/binderfs" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... close resumed>) = 0 [pid 5031] <... openat resumed>) = 3 [pid 5029] <... unlink resumed>) = 0 [pid 6073] +++ exited with 0 +++ [pid 6072] close(15 [pid 6068] +++ exited with 0 +++ [pid 5032] rmdir("./83" [pid 5031] fstat(3, [pid 5029] umount2("./80/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=174, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5032] <... rmdir resumed>) = 0 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6072] close(16 [pid 5032] mkdir("./84", 0777 [pid 5029] lstat("./80/cgroup.net", [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... mkdir resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6072] close(17 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] unlink("./80/cgroup.net"./strace-static-x86_64: Process 6075 attached [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] getdents64(3, [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... openat resumed>) = 3 [pid 6075] set_robust_list(0x55555580e6e0, 24 [pid 6072] close(18 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 170 [pid 5029] umount2("./80/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6075] <... set_robust_list resumed>) = 0 [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6075] chdir("./84" [pid 6072] close(19 [pid 5029] lstat("./80/cgroup.cpu", [pid 6075] <... chdir resumed>) = 0 [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6072] close(20 [pid 5029] unlink("./80/cgroup.cpu" [pid 6075] <... prctl resumed>) = 0 [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... unlink resumed>) = 0 [pid 6075] setpgid(0, 0 [pid 6072] close(21 [pid 5033] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] umount2("./80/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] fstat(3, [pid 6075] <... setpgid resumed>) = 0 [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6075] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6072] close(22 [pid 5033] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] getdents64(3, [pid 6075] <... symlink resumed>) = 0 [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... openat resumed>) = 3 [pid 5031] lstat("./82/binderfs", [pid 5029] lstat("./80/cgroup", [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6075] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6072] close(23 [pid 5033] fstat(3, [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] unlink("./82/binderfs" [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6075] <... symlink resumed>) = 0 [pid 5033] getdents64(3, [pid 6072] close(24 [pid 5031] <... unlink resumed>) = 0 [pid 5028] lstat("./79/binderfs", [pid 6075] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] umount2("./82/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./80/cgroup" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6075] <... symlink resumed>) = 0 [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5028] unlink("./79/binderfs" [pid 6075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6072] close(25 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] lstat("./82/cgroup.net", [pid 5029] getdents64(3, [pid 5028] <... unlink resumed>) = 0 [pid 5033] lstat("./86/binderfs", [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] umount2("./79/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] unlink("./82/cgroup.net" [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6075] <... openat resumed>) = 3 [pid 6072] close(26 [pid 5033] unlink("./86/binderfs" [pid 5031] <... unlink resumed>) = 0 [pid 5028] lstat("./79/cgroup.net", [pid 6075] write(3, "1000", 4 [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5031] umount2("./82/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] close(3 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6075] <... write resumed>) = 4 [pid 6072] close(27 [pid 5033] umount2("./86/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./79/cgroup.net" [pid 6075] close(3 [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] lstat("./82/cgroup.cpu", [pid 5029] <... close resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6075] <... close resumed>) = 0 [pid 6072] close(28 [pid 5033] lstat("./86/cgroup.net", [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] umount2("./79/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6075] read(200, [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] unlink("./82/cgroup.cpu" [pid 5029] rmdir("./80" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6075] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6072] close(29 [pid 5033] unlink("./86/cgroup.net" [pid 5031] <... unlink resumed>) = 0 [pid 5028] lstat("./79/cgroup.cpu", [pid 6075] symlink("/dev/binderfs", "./binderfs" [pid 5033] <... unlink resumed>) = 0 [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./82/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... rmdir resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5033] umount2("./86/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./79/cgroup.cpu" [pid 6075] <... 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 6072] 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] lstat("./82/cgroup", [pid 5029] mkdir("./81", 0777 [pid 5028] <... unlink resumed>) = 0 [pid 6075] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] <... write resumed>) = 335 [pid 5033] lstat("./86/cgroup.cpu", [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] umount2("./79/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6075] <... futex resumed>) = 0 [pid 6072] exit_group(0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] unlink("./82/cgroup" [pid 5029] <... mkdir resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6074] <... futex resumed>) = ? [pid 6072] <... exit_group resumed>) = ? [pid 5033] unlink("./86/cgroup.cpu" [pid 5031] <... unlink resumed>) = 0 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6075] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6074] +++ exited with 0 +++ [pid 5033] <... unlink resumed>) = 0 [pid 5031] getdents64(3, [pid 5028] lstat("./79/cgroup", [pid 5033] umount2("./86/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] close(3 [pid 5028] unlink("./79/cgroup" [pid 6075] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5033] lstat("./86/cgroup", [pid 5031] <... close resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6075] <... mprotect resumed>) = 0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] rmdir("./82" [pid 5028] getdents64(3, ./strace-static-x86_64: Process 6076 attached [pid 6075] 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 6072] +++ exited with 0 +++ [pid 5033] unlink("./86/cgroup" [pid 5031] <... rmdir resumed>) = 0 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 164 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6077 attached [pid 6076] set_robust_list(0x55555580e6e0, 24 [pid 5033] <... unlink resumed>) = 0 [pid 5031] mkdir("./83", 0777 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=162, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5028] close(3 [pid 6077] set_robust_list(0x7f4e92bc39e0, 24 [pid 6076] <... set_robust_list resumed>) = 0 [pid 6075] <... clone resumed>, parent_tid=[171], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 171 [pid 5033] getdents64(3, [pid 5031] <... mkdir resumed>) = 0 [pid 5028] <... close resumed>) = 0 [pid 6077] <... set_robust_list resumed>) = 0 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6076] chdir("./81" [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] rmdir("./79" [pid 6077] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6076] <... chdir resumed>) = 0 [pid 6075] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] close(3 [pid 5028] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6078 attached [pid 6077] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6075] <... futex resumed>) = 0 [pid 5033] <... close resumed>) = 0 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 168 [pid 5028] mkdir("./80", 0777 [pid 6078] set_robust_list(0x55555580e6e0, 24 [pid 6077] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... prctl resumed>) = 0 [pid 6075] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5033] rmdir("./86" [pid 5028] <... mkdir resumed>) = 0 [pid 6078] <... set_robust_list resumed>) = 0 [pid 6077] <... futex resumed>) = 0 [pid 6076] setpgid(0, 0 [pid 6075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] <... rmdir resumed>) = 0 [pid 5030] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6078] chdir("./83" [pid 6077] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6076] <... setpgid resumed>) = 0 [pid 6075] close(3 [pid 5033] mkdir("./87", 0777 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6079 attached [pid 6078] <... chdir resumed>) = 0 [pid 6076] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... mkdir resumed>) = 0 [pid 5030] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6079] set_robust_list(0x55555580e6e0, 24 [pid 6078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6076] <... symlink resumed>) = 0 [pid 6075] close(4 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] <... openat resumed>) = 3 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 162 ./strace-static-x86_64: Process 6080 attached [pid 6079] <... set_robust_list resumed>) = 0 [pid 6078] <... prctl resumed>) = 0 [pid 6076] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] fstat(3, [pid 6080] set_robust_list(0x55555580e6e0, 24 [pid 6079] chdir("./80" [pid 6078] setpgid(0, 0 [pid 6076] <... symlink resumed>) = 0 [pid 6075] close(5 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 176 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6080] <... set_robust_list resumed>) = 0 [pid 5030] getdents64(3, [pid 6080] chdir("./87" [pid 6079] <... chdir resumed>) = 0 [pid 6078] <... setpgid resumed>) = 0 [pid 6076] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6080] <... chdir resumed>) = 0 [pid 6079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5030] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6078] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6076] <... symlink resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6075] close(6 [pid 6080] <... prctl resumed>) = 0 [pid 6079] <... prctl resumed>) = 0 [pid 5030] lstat("./80/binderfs", [pid 6080] setpgid(0, 0 [pid 6079] setpgid(0, 0 [pid 6078] <... symlink resumed>) = 0 [pid 6076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6080] <... setpgid resumed>) = 0 [pid 6079] <... setpgid resumed>) = 0 [pid 5030] unlink("./80/binderfs" [pid 6080] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6078] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6076] <... openat resumed>) = 3 [pid 6075] close(7 [pid 5030] <... unlink resumed>) = 0 [pid 6080] <... symlink resumed>) = 0 [pid 6079] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5030] umount2("./80/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6080] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6078] <... symlink resumed>) = 0 [pid 6076] write(3, "1000", 4 [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6080] <... symlink resumed>) = 0 [pid 6079] <... symlink resumed>) = 0 [pid 6078] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6076] <... write resumed>) = 4 [pid 6075] close(8 [pid 5030] lstat("./80/cgroup.net", [pid 6080] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6079] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6078] <... symlink resumed>) = 0 [pid 6076] close(3 [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6080] <... symlink resumed>) = 0 [pid 6079] <... symlink resumed>) = 0 [pid 6078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6076] <... close resumed>) = 0 [pid 6075] close(9 [pid 6080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6079] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6078] <... openat resumed>) = 3 [pid 6076] read(200, [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./80/cgroup.net" [pid 6080] <... openat resumed>) = 3 [pid 6079] <... symlink resumed>) = 0 [pid 6078] write(3, "1000", 4 [pid 6076] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6075] close(10 [pid 5030] <... unlink resumed>) = 0 [pid 6080] write(3, "1000", 4 [pid 6079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6078] <... write resumed>) = 4 [pid 6076] symlink("/dev/binderfs", "./binderfs" [pid 5030] umount2("./80/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6080] <... write resumed>) = 4 [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6080] close(3 [pid 5030] lstat("./80/cgroup.cpu", [pid 6080] <... close resumed>) = 0 [pid 6079] <... openat resumed>) = 3 [pid 6078] close(3 [pid 6076] <... symlink resumed>) = 0 [pid 6075] close(11 [pid 6080] read(200, [pid 6079] write(3, "1000", 4 [pid 6078] <... close resumed>) = 0 [pid 6076] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6080] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6079] <... write resumed>) = 4 [pid 6078] read(200, [pid 6076] <... futex resumed>) = 0 [pid 6075] close(12 [pid 5030] unlink("./80/cgroup.cpu" [pid 6080] symlink("/dev/binderfs", "./binderfs" [pid 6079] close(3 [pid 6078] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... symlink resumed>) = 0 [pid 6079] <... close resumed>) = 0 [pid 6078] symlink("/dev/binderfs", "./binderfs" [pid 6076] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6075] close(13 [pid 5030] <... unlink resumed>) = 0 [pid 6080] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] read(200, [pid 6078] <... symlink resumed>) = 0 [pid 6076] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./80/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6080] <... futex resumed>) = 0 [pid 6079] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6078] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... mprotect resumed>) = 0 [pid 6075] close(14 [pid 6080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6079] symlink("/dev/binderfs", "./binderfs" [pid 6078] <... futex resumed>) = 0 [pid 6076] 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 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6081 attached [pid 6080] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6079] <... symlink resumed>) = 0 [pid 6078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6075] close(15 [pid 6081] set_robust_list(0x7f4e92bc39e0, 24 [pid 6080] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6079] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6076] <... clone resumed>, parent_tid=[165], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 165 [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./80/cgroup", [pid 6081] <... set_robust_list resumed>) = 0 [pid 6080] <... mprotect resumed>) = 0 [pid 6079] <... futex resumed>) = 0 [pid 6078] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6076] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] close(16 [pid 6081] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6080] 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 6079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6078] <... mprotect resumed>) = 0 [pid 6076] <... futex resumed>) = 0 [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 6082 attached [pid 6081] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6079] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6078] 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 6076] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6075] close(17./strace-static-x86_64: Process 6083 attached [pid 6082] set_robust_list(0x7f4e92bc39e0, 24 [pid 6081] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... clone resumed>, parent_tid=[177], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 177 [pid 6079] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./80/cgroup" [pid 6083] set_robust_list(0x7f4e92bc39e0, 24 [pid 6082] <... set_robust_list resumed>) = 0 [pid 6081] <... futex resumed>) = 0 [pid 6080] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] <... mprotect resumed>) = 0 [pid 6078] <... clone resumed>, parent_tid=[169], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 169 [pid 6076] close(3 [pid 6075] close(18 [pid 5030] <... unlink resumed>) = 0 [pid 6083] <... set_robust_list resumed>) = 0 [pid 6082] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6081] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] <... futex resumed>) = 0 [pid 6079] 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 6078] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] getdents64(3, ./strace-static-x86_64: Process 6084 attached [pid 6083] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6082] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6080] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6078] <... futex resumed>) = 0 [pid 6076] close(4 [pid 6075] close(19 [pid 6084] set_robust_list(0x7f4e92bc39e0, 24 [pid 6083] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6082] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6079] <... clone resumed>, parent_tid=[163], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 163 [pid 6078] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6084] <... set_robust_list resumed>) = 0 [pid 6083] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... futex resumed>) = 0 [pid 6080] close(3 [pid 6079] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6076] close(5 [pid 6075] close(20 [pid 5030] close(3 [pid 6084] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6083] <... futex resumed>) = 0 [pid 6082] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... futex resumed>) = 0 [pid 6078] close(3 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = 0 [pid 6084] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6083] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] close(4 [pid 6079] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] close(6 [pid 6075] close(21 [pid 5030] rmdir("./80" [pid 6084] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6078] close(4 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6084] <... futex resumed>) = 0 [pid 6080] close(5write 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 6079] close(3 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] close(7 [pid 6075] close(22 [pid 5030] <... rmdir resumed>) = 0 [pid 6084] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(5 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] close(6 [pid 6079] close(4 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] close(8 [pid 6075] close(23 [pid 5030] mkdir("./81", 0777 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(6 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] close(7 [pid 6079] close(5 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] close(9 [pid 6075] close(24 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(7 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] close(8 [pid 6079] close(6 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] close(10 [pid 6075] close(25 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(8 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... mkdir resumed>) = 0 [pid 6080] close(9 [pid 6079] close(7 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] close(11 [pid 6075] close(26 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(9 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6080] close(10 [pid 6079] close(8 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] close(12 [pid 6075] close(27 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(10 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] close(11 [pid 6079] close(9 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] close(13 [pid 6075] close(28 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(11 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] close(12 [pid 6079] close(10 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] close(14 [pid 6075] close(29 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(12 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6085 attached [pid 6080] close(13 [pid 6079] close(11 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] close(15 [pid 6075] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6085] set_robust_list(0x55555580e6e0, 24 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(13 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] <... write resumed>) = 335 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 164 [pid 6085] <... set_robust_list resumed>) = 0 [pid 6080] close(14 [pid 6079] close(12 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] close(16 [pid 6075] exit_group(0 [pid 6085] chdir("./81" [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(14 [pid 6077] <... futex resumed>) = ? [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] <... exit_group resumed>) = ? [pid 6085] <... chdir resumed>) = 0 [pid 6080] close(15 [pid 6079] close(13 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6077] +++ exited with 0 +++ [pid 6076] close(17 [pid 6075] +++ exited with 0 +++ [pid 6085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(15 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] <... prctl resumed>) = 0 [pid 6080] close(16 [pid 6079] close(14 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] close(18 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=170, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6085] setpgid(0, 0 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(16 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] restart_syscall(<... resuming interrupted clone ...> [pid 6085] <... setpgid resumed>) = 0 [pid 6080] close(17 [pid 6079] close(15 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] close(19 [pid 5032] <... restart_syscall resumed>) = 0 [pid 6085] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(17 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] <... symlink resumed>) = 0 [pid 6080] close(18 [pid 6079] close(16 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] close(20 [pid 6085] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(18 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6085] <... symlink resumed>) = 0 [pid 6080] close(19 [pid 6079] close(17 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] close(21 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6085] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(19 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6085] <... symlink resumed>) = 0 [pid 6080] close(20 [pid 6079] close(18 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] close(22 [pid 5032] <... openat resumed>) = 3 [pid 6085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(20 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] fstat(3, [pid 6085] <... openat resumed>) = 3 [pid 6080] close(21 [pid 6079] close(19 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] close(23 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6085] write(3, "1000", 4 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(21 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] getdents64(3, [pid 6085] <... write resumed>) = 4 [pid 6080] close(22 [pid 6079] close(20 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] close(24 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6085] close(3 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(22 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6085] <... close resumed>) = 0 [pid 6080] close(23 [pid 6079] close(21 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] close(25 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6085] read(200, [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(23 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./84/binderfs", [pid 6085] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6080] close(24 [pid 6079] close(22 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] close(26 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6085] symlink("/dev/binderfs", "./binderfs" [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(24 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./84/binderfs" [pid 6085] <... symlink resumed>) = 0 [pid 6080] close(25 [pid 6079] close(23 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] close(27 [pid 5032] <... unlink resumed>) = 0 [pid 6085] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(25 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./84/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6085] <... futex resumed>) = 0 [pid 6080] close(26 [pid 6079] close(24 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] close(28 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(26 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./84/cgroup.net", [pid 6085] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6080] close(27 [pid 6079] close(25 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] close(29 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6085] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(27 [pid 6076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./84/cgroup.net" [pid 6085] <... mprotect resumed>) = 0 [pid 6080] close(28 [pid 6079] close(26 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] 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 6085] 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 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(28 [pid 6076] <... write resumed>) = 335 [pid 5032] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6086 attached [pid 6080] close(29 [pid 6079] close(27 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] exit_group(0 [pid 5032] umount2("./84/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6086] set_robust_list(0x7f4e92bc39e0, 24 [pid 6085] <... clone resumed>, parent_tid=[165], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 165 [pid 6081] <... futex resumed>) = ? [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] close(29 [pid 6076] <... exit_group resumed>) = ? [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6086] <... set_robust_list 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 6085] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] +++ exited with 0 +++ [pid 6080] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6079] close(28 [pid 6078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] +++ exited with 0 +++ [pid 5032] lstat("./84/cgroup.cpu", 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 6086] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6085] <... futex resumed>) = 0 [pid 6080] <... write resumed>) = 335 [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] 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 6086] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6085] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6080] exit_group(0 [pid 6079] close(29 [pid 6078] <... write resumed>) = 335 [pid 5032] unlink("./84/cgroup.cpu" [pid 6086] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6082] <... futex resumed>) = ? [pid 6080] <... exit_group resumed>) = ? [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] exit_group(0 [pid 5032] <... unlink resumed>) = 0 [pid 6086] <... futex resumed>) = 0 [pid 6085] close(3 [pid 6082] +++ exited with 0 +++ [pid 6080] +++ exited with 0 +++ [pid 6086] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULLwrite 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 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] <... futex resumed>) = ? [pid 6079] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6078] <... exit_group resumed>) = ? [pid 5032] umount2("./84/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6085] close(4 [pid 6083] +++ exited with 0 +++ [pid 6079] <... write resumed>) = 335 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=164, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6079] exit_group(0 [pid 5029] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6084] <... futex resumed>) = ? [pid 6079] <... exit_group resumed>) = ? [pid 6078] +++ exited with 0 +++ [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5032] lstat("./84/cgroup", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6085] close(5 [pid 6084] +++ exited with 0 +++ [pid 5033] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] +++ exited with 0 +++ [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] unlink("./84/cgroup" [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=168, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5029] <... openat resumed>) = 3 [pid 6085] close(6 [pid 5033] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] <... unlink resumed>) = 0 [pid 5031] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] fstat(3, [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=162, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... openat resumed>) = 3 [pid 5032] getdents64(3, [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6085] close(7 [pid 5033] fstat(3, [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] getdents64(3, [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] close(3 [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6085] close(8 [pid 5033] getdents64(3, [pid 5032] <... close resumed>) = 0 [pid 5031] <... openat resumed>) = 3 [pid 5029] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] rmdir("./84" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6085] close(9 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] fstat(3, [pid 5029] lstat("./81/binderfs", [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... rmdir resumed>) = 0 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6085] close(10 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] mkdir("./85", 0777 [pid 5029] unlink("./81/binderfs" [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./87/binderfs", [pid 5032] <... mkdir resumed>) = 0 [pid 5031] getdents64(3, [pid 5029] <... unlink resumed>) = 0 [pid 6085] close(11 [pid 5029] umount2("./81/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6085] <... 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 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] lstat("./81/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] unlink("./81/cgroup.net" [pid 5031] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5033] unlink("./87/binderfs" [pid 5029] <... unlink resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./81/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6085] close(12 [pid 5033] <... unlink resumed>) = 0 [pid 5031] lstat("./83/binderfs", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./81/cgroup.cpu", [pid 5028] <... openat resumed>) = 3 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./87/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... 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 6085] close(13 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] unlink("./83/binderfs" [pid 5029] unlink("./81/cgroup.cpu" [pid 5028] fstat(3, [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./87/cgroup.net", [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 6085] close(14 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] umount2("./83/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./81/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 ./strace-static-x86_64: Process 6087 attached [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./87/cgroup.net" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6087] set_robust_list(0x55555580e6e0, 24 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./81/cgroup", [pid 5028] getdents64(3, [pid 6087] <... set_robust_list resumed>) = 0 [pid 6085] close(15 [pid 5033] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6087] chdir("./85" [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 172 [pid 5031] lstat("./83/cgroup.net", [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./87/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./81/cgroup" [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6087] <... chdir resumed>) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5028] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6085] close(16 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] unlink("./83/cgroup.net" [pid 5029] getdents64(3, [pid 6087] <... prctl resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6087] setpgid(0, 0 [pid 5029] close(3 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6087] <... setpgid resumed>) = 0 [pid 5029] <... close resumed>) = 0 [pid 6087] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5029] rmdir("./81" [pid 6087] <... symlink resumed>) = 0 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./87/cgroup.cpu", [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... rmdir resumed>) = 0 [pid 5028] lstat("./80/binderfs", [pid 6087] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5029] mkdir("./82", 0777 [pid 6087] <... symlink resumed>) = 0 [pid 6085] close(17 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] umount2("./83/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... mkdir resumed>) = 0 [pid 6087] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./87/cgroup.cpu" [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6087] <... symlink resumed>) = 0 [pid 6085] close(18 [pid 5033] <... unlink resumed>) = 0 [pid 5031] lstat("./83/cgroup.cpu", [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] unlink("./80/binderfs"./strace-static-x86_64: Process 6088 attached [pid 6087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./87/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6088] set_robust_list(0x55555580e6e0, 24 [pid 6087] <... openat resumed>) = 3 [pid 6088] <... set_robust_list resumed>) = 0 [pid 6087] write(3, "1000", 4 [pid 6085] close(19 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 166 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6088] chdir("./82" [pid 6087] <... write resumed>) = 4 [pid 5031] unlink("./83/cgroup.cpu" [pid 5028] umount2("./80/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6088] <... chdir resumed>) = 0 [pid 6087] close(3 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./87/cgroup", [pid 5031] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6085] close(20 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] umount2("./83/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] lstat("./80/cgroup.net", [pid 6088] <... prctl resumed>) = 0 [pid 6087] <... close resumed>) = 0 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./87/cgroup" [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6088] setpgid(0, 0 [pid 6087] read(200, [pid 6085] close(21 [pid 5033] <... unlink resumed>) = 0 [pid 5031] lstat("./83/cgroup", [pid 5028] unlink("./80/cgroup.net" [pid 6088] <... setpgid resumed>) = 0 [pid 6087] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6088] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6087] symlink("/dev/binderfs", "./binderfs" [pid 6085] close(22 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] unlink("./83/cgroup" [pid 5028] umount2("./80/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6088] <... symlink resumed>) = 0 [pid 6087] <... symlink resumed>) = 0 [pid 6088] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6087] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5031] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6088] <... symlink resumed>) = 0 [pid 6087] <... futex resumed>) = 0 [pid 6085] close(23 [pid 5033] <... close resumed>) = 0 [pid 6088] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6088] <... symlink resumed>) = 0 [pid 6087] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6087] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] rmdir("./87" [pid 5031] getdents64(3, [pid 5028] lstat("./80/cgroup.cpu", [pid 6088] <... openat resumed>) = 3 [pid 6087] <... mprotect resumed>) = 0 [pid 6085] close(24 [pid 5033] <... rmdir resumed>) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6088] write(3, "1000", 4 [pid 6087] 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 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./88", 0777 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6088] <... write resumed>) = 4 [pid 5031] close(3./strace-static-x86_64: Process 6089 attached [pid 6088] close(3 [pid 6087] <... clone resumed>, parent_tid=[173], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 173 [pid 6085] close(25 [pid 5033] <... mkdir resumed>) = 0 [pid 5031] <... close resumed>) = 0 [pid 5028] unlink("./80/cgroup.cpu" [pid 6089] set_robust_list(0x7f4e92bc39e0, 24 [pid 6088] <... close resumed>) = 0 [pid 6087] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] rmdir("./83" [pid 5028] <... unlink resumed>) = 0 [pid 6089] <... set_robust_list resumed>) = 0 [pid 6088] read(200, [pid 6087] <... futex resumed>) = 0 [pid 6085] close(26 [pid 6088] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6087] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6089] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6088] symlink("/dev/binderfs", "./binderfs" [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... rmdir resumed>) = 0 [pid 5028] umount2("./80/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6089] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6088] <... symlink resumed>) = 0 [pid 6085] close(27 [pid 5031] mkdir("./84", 0777 [pid 6089] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... mkdir resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6090 attached [pid 6089] <... futex resumed>) = 1 [pid 6088] <... futex resumed>) = 0 [pid 6087] <... futex resumed>) = 0 [pid 6085] close(28 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] lstat("./80/cgroup", [pid 6090] set_robust_list(0x55555580e6e0, 24 [pid 6089] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6088] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6087] close(3 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 178 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6090] <... set_robust_list resumed>) = 0 [pid 6088] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] close(29 [pid 5028] unlink("./80/cgroup"./strace-static-x86_64: Process 6091 attached [pid 6090] chdir("./88" [pid 6088] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6087] close(4 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... unlink resumed>) = 0 [pid 6091] set_robust_list(0x55555580e6e0, 24 [pid 6090] <... chdir resumed>) = 0 [pid 6088] <... mprotect resumed>) = 0 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] 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] <... clone resumed>, child_tidptr=0x55555580e6d0) = 170 [pid 5028] getdents64(3, [pid 6091] <... set_robust_list resumed>) = 0 [pid 6090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6088] 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 6087] close(5 [pid 6085] <... write resumed>) = 335 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6092 attached [pid 6091] chdir("./84" [pid 6090] <... prctl resumed>) = 0 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] exit_group(0 [pid 5028] close(3 [pid 6092] set_robust_list(0x7f4e92bc39e0, 24 [pid 6091] <... chdir resumed>) = 0 [pid 6090] setpgid(0, 0 [pid 6088] <... clone resumed>, parent_tid=[167], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 167 [pid 6087] close(6 [pid 6086] <... futex resumed>) = ? [pid 6085] <... exit_group resumed>) = ? [pid 5028] <... close resumed>) = 0 [pid 6092] <... set_robust_list resumed>) = 0 [pid 6091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6090] <... setpgid resumed>) = 0 [pid 6088] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6086] +++ exited with 0 +++ [pid 5028] rmdir("./80" [pid 6092] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6091] <... prctl resumed>) = 0 [pid 6087] close(7 [pid 6085] +++ exited with 0 +++ [pid 5028] <... rmdir resumed>) = 0 [pid 6090] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6092] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6091] setpgid(0, 0 [pid 6088] <... futex resumed>) = 0 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] mkdir("./81", 0777 [pid 6092] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] <... setpgid resumed>) = 0 [pid 6090] <... symlink resumed>) = 0 [pid 6088] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6087] close(8 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=164, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5028] <... mkdir resumed>) = 0 [pid 6092] <... futex resumed>) = 0 [pid 6091] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6090] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6093 attached [pid 6092] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6091] <... symlink resumed>) = 0 [pid 6090] <... symlink resumed>) = 0 [pid 6088] close(3 [pid 6087] close(9 [pid 6093] set_robust_list(0x55555580e6e0, 24 [pid 6091] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6090] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6093] <... set_robust_list resumed>) = 0 [pid 6091] <... symlink resumed>) = 0 [pid 6090] <... symlink resumed>) = 0 [pid 6088] close(4 [pid 6087] close(10 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 164 [pid 6093] chdir("./81" [pid 6091] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6093] <... chdir resumed>) = 0 [pid 6091] <... symlink resumed>) = 0 [pid 6090] <... openat resumed>) = 3 [pid 6088] close(5 [pid 6087] close(11 [pid 6093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5030] <... openat resumed>) = 3 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] <... prctl resumed>) = 0 [pid 6087] close(12 [pid 6093] setpgid(0, 0 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] <... setpgid resumed>) = 0 [pid 6091] <... openat resumed>) = 3 [pid 6088] close(6 [pid 6087] close(13 [pid 5030] fstat(3, [pid 6093] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6091] write(3, "1000", 4 [pid 6090] write(3, "1000", 4 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6093] <... symlink resumed>) = 0 [pid 6091] <... write resumed>) = 4 [pid 6090] <... write resumed>) = 4 [pid 6088] close(7 [pid 5030] getdents64(3, [pid 6093] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6091] close(3 [pid 6090] close(3 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] close(14 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6093] <... symlink resumed>) = 0 [pid 6091] <... close resumed>) = 0 [pid 6090] <... close resumed>) = 0 [pid 6088] close(8 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6091] read(200, [pid 6090] read(200, [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] close(15 [pid 5030] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6093] <... symlink resumed>) = 0 [pid 6091] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6090] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6088] close(9 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6091] symlink("/dev/binderfs", "./binderfs" [pid 6090] symlink("/dev/binderfs", "./binderfs" [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] close(16 [pid 5030] lstat("./81/binderfs", [pid 6093] <... openat resumed>) = 3 [pid 6091] <... symlink resumed>) = 0 [pid 6090] <... symlink resumed>) = 0 [pid 6088] close(10 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] write(3, "1000", 4 [pid 6091] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] close(17 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6093] <... write resumed>) = 4 [pid 6091] <... futex resumed>) = 0 [pid 6090] <... futex resumed>) = 0 [pid 6088] close(11 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./81/binderfs" [pid 6093] close(3 [pid 6091] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] close(18 [pid 6093] <... close resumed>) = 0 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6093] read(200, [pid 6087] close(19 [pid 6093] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] close(12 [pid 6093] symlink("/dev/binderfs", "./binderfs" [pid 6091] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6090] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6087] close(20 [pid 6093] <... symlink resumed>) = 0 [pid 6091] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6090] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./81/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6093] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] <... mprotect resumed>) = 0 [pid 6087] close(21 [pid 6093] <... futex resumed>) = 0 [pid 6091] 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 6090] <... mprotect resumed>) = 0 [pid 6088] close(13 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6087] close(22 [pid 6093] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6087] close(23 [pid 6093] <... mprotect resumed>) = 0 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] 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 6090] 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 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] close(24 [pid 5030] lstat("./81/cgroup.net", ./strace-static-x86_64: Process 6096 attached ./strace-static-x86_64: Process 6095 attached ./strace-static-x86_64: Process 6094 attached [pid 6088] close(14 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6096] set_robust_list(0x7f4e92bc39e0, 24 [pid 6095] set_robust_list(0x7f4e92bc39e0, 24 [pid 6094] set_robust_list(0x7f4e92bc39e0, 24 [pid 6093] <... clone resumed>, parent_tid=[165], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 165 [pid 6091] <... clone resumed>, parent_tid=[171], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 171 [pid 6090] <... clone resumed>, parent_tid=[179], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 179 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] close(25 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6096] <... set_robust_list resumed>) = 0 [pid 6095] <... set_robust_list resumed>) = 0 [pid 6094] <... set_robust_list resumed>) = 0 [pid 6093] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] close(15 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./81/cgroup.net" [pid 6096] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6095] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6094] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6093] <... futex resumed>) = 0 [pid 6091] <... futex resumed>) = 0 [pid 6090] <... futex resumed>) = 0 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] close(26 [pid 6096] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6095] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6094] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6093] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6091] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6090] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6088] close(16 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6096] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] close(27 [pid 5030] umount2("./81/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6096] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = 0 [pid 6094] <... futex resumed>) = 0 [pid 6093] close(3 [pid 6091] close(3 [pid 6090] close(3 [pid 6088] close(17 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6096] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6095] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6094] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] close(28 [pid 6093] close(4 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] close(18 [pid 6087] close(29 [pid 5030] lstat("./81/cgroup.cpu", [pid 6093] close(5 [pid 6091] close(4 [pid 6090] close(4 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] <... 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 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6088] close(19 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6093] close(6 [pid 6091] close(5 [pid 6090] close(5 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] <... write resumed>) = 335 [pid 5030] unlink("./81/cgroup.cpu" [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] close(20 [pid 6087] exit_group(0 [pid 6093] close(7 [pid 6091] close(6 [pid 6090] close(6 [pid 6089] <... futex resumed>) = ? [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] <... exit_group resumed>) = ? [pid 5030] <... unlink resumed>) = 0 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] +++ exited with 0 +++ [pid 6088] close(21 [pid 5030] umount2("./81/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6093] close(8 [pid 6091] close(7 [pid 6090] close(7 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] +++ exited with 0 +++ [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] close(22 [pid 6093] close(9 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=172, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] lstat("./81/cgroup", [pid 6093] close(10 [pid 6091] close(8 [pid 6090] close(8 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] close(23 [pid 5032] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6093] close(11 [pid 6091] close(9 [pid 6090] close(9 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... openat resumed>) = 3 [pid 5030] unlink("./81/cgroup" [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] close(24 [pid 5032] fstat(3, [pid 6093] close(12 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] getdents64(3, [pid 6093] close(13 [pid 6091] close(10 [pid 6090] close(10 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] getdents64(3, [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6093] close(14 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] close(25 [pid 5032] lstat("./85/binderfs", [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] close(15 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./85/binderfs" [pid 6091] close(11 [pid 6090] close(11 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] close(3 [pid 6093] close(16 [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] close(26 [pid 5032] <... unlink resumed>) = 0 [pid 5030] <... close resumed>) = 0 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] close(12 [pid 6090] close(12 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./85/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6093] close(17 [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] close(27 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] rmdir("./81" [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] close(13 [pid 6090] close(13 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./85/cgroup.net", [pid 5030] <... rmdir resumed>) = 0 [pid 6093] close(18 [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] close(28 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] mkdir("./82", 0777 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./85/cgroup.net" [pid 6093] close(19 [pid 6091] close(14 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(14 [pid 6088] close(29 [pid 5032] umount2("./85/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... mkdir resumed>) = 0 [pid 6093] close(20 [pid 6091] close(15 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6093] <... 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 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(15 [pid 6088] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] lstat("./85/cgroup.cpu", ./strace-static-x86_64: Process 6097 attached [pid 6093] close(21 [pid 6091] close(16 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] <... write resumed>) = 335 [pid 6097] set_robust_list(0x55555580e6e0, 24 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(16 [pid 6088] exit_group(0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 166 [pid 6097] <... set_robust_list resumed>) = 0 [pid 6093] close(22 [pid 6092] <... futex resumed>) = ? [pid 6091] close(17 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] <... exit_group resumed>) = ? [pid 5032] unlink("./85/cgroup.cpu" [pid 6097] chdir("./82" [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] +++ exited with 0 +++ [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(17 [pid 6088] +++ exited with 0 +++ [pid 5032] <... unlink resumed>) = 0 [pid 6097] <... chdir resumed>) = 0 [pid 6093] close(23 [pid 6091] close(18 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(18 [pid 5032] umount2("./85/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=166, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6097] <... prctl resumed>) = 0 [pid 6091] close(19 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6097] setpgid(0, 0 [pid 6093] close(24 [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(19 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6097] <... setpgid resumed>) = 0 [pid 6091] close(20 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6097] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(20 [pid 5032] lstat("./85/cgroup", [pid 5029] <... openat resumed>) = 3 [pid 6097] <... symlink resumed>) = 0 [pid 6093] close(25 [pid 6091] close(21 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6097] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(21 [pid 5032] unlink("./85/cgroup" [pid 5029] fstat(3, [pid 6097] <... symlink resumed>) = 0 [pid 6093] close(26 [pid 6091] close(22 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6097] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(22 [pid 5032] <... unlink resumed>) = 0 [pid 5029] getdents64(3, [pid 6097] <... symlink resumed>) = 0 [pid 6093] close(27 [pid 6091] close(23 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(23 [pid 5032] getdents64(3, [pid 5029] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6097] <... openat resumed>) = 3 [pid 6093] close(28 [pid 6091] close(24 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6097] write(3, "1000", 4 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(24 [pid 5032] close(3 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6097] <... write resumed>) = 4 [pid 6093] close(29 [pid 6091] close(25 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... close resumed>) = 0 [pid 6097] close(3 [pid 6093] <... 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 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(25 [pid 5032] rmdir("./85" [pid 5029] lstat("./82/binderfs", [pid 6097] <... close resumed>) = 0 [pid 6093] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6091] close(26 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... rmdir resumed>) = 0 [pid 6093] <... write resumed>) = 335 [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] mkdir("./86", 0777 [pid 6097] read(200, [pid 6093] exit_group(0 [pid 6091] close(27 [pid 6090] close(26 [pid 5032] <... mkdir resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6097] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6095] <... futex resumed>) = ? [pid 6093] <... exit_group resumed>) = ? [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] unlink("./82/binderfs"./strace-static-x86_64: Process 6098 attached [pid 6097] symlink("/dev/binderfs", "./binderfs" [pid 6095] +++ exited with 0 +++ [pid 6093] +++ exited with 0 +++ [pid 6091] close(28 [pid 6090] close(27 [pid 5029] <... unlink resumed>) = 0 [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=164, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6098] set_robust_list(0x55555580e6e0, 24 [pid 6097] <... symlink resumed>) = 0 [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 174 [pid 5029] umount2("./82/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6098] <... set_robust_list resumed>) = 0 [pid 6097] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] close(29 [pid 6090] close(28 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6098] chdir("./86" [pid 6097] <... futex resumed>) = 0 [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] lstat("./82/cgroup.net", [pid 6098] <... chdir resumed>) = 0 [pid 6097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 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 6091] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6090] close(29 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6097] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6091] <... write resumed>) = 335 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] unlink("./82/cgroup.net" [pid 6098] <... prctl 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 6097] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6091] exit_group(0 [pid 6090] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5028] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6098] setpgid(0, 0 [pid 6097] <... mprotect resumed>) = 0 [pid 6094] <... futex resumed>) = ? [pid 6091] <... exit_group resumed>) = ? [pid 6090] <... write resumed>) = 335 [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6098] <... setpgid resumed>) = 0 [pid 6097] 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 6094] +++ exited with 0 +++ [pid 5028] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6099 attached [pid 6098] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6090] exit_group(0 [pid 5029] umount2("./82/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... openat resumed>) = 3 [pid 6099] set_robust_list(0x7f4e92bc39e0, 24 [pid 6098] <... symlink resumed>) = 0 [pid 6097] <... clone resumed>, parent_tid=[167], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 167 [pid 6096] <... futex resumed>) = ? [pid 6091] +++ exited with 0 +++ [pid 6090] <... exit_group resumed>) = ? [pid 5028] fstat(3, [pid 6098] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6096] +++ exited with 0 +++ [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6099] <... set_robust_list resumed>) = 0 [pid 6098] <... symlink resumed>) = 0 [pid 6097] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] +++ exited with 0 +++ [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=170, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5029] lstat("./82/cgroup.cpu", [pid 5028] getdents64(3, [pid 6099] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6098] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6097] <... futex resumed>) = 0 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=178, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5031] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6099] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6098] <... symlink resumed>) = 0 [pid 6097] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./82/cgroup.cpu" [pid 5028] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6099] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5031] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6099] <... futex resumed>) = 0 [pid 6098] <... openat resumed>) = 3 [pid 6097] close(3 [pid 5031] <... openat resumed>) = 3 [pid 5028] lstat("./81/binderfs", [pid 6099] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6098] write(3, "1000", 4 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] fstat(3, [pid 5029] umount2("./82/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6098] <... write resumed>) = 4 [pid 6097] close(4 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./81/binderfs" [pid 6098] close(3 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] getdents64(3, [pid 5029] lstat("./82/cgroup", [pid 5028] <... unlink resumed>) = 0 [pid 6098] <... close resumed>) = 0 [pid 5033] <... openat resumed>) = 3 [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] umount2("./81/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6098] read(200, [pid 5031] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6098] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6097] close(5 [pid 5033] fstat(3, [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] lstat("./81/cgroup.net", [pid 6098] symlink("/dev/binderfs", "./binderfs" [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] lstat("./84/binderfs", [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6098] <... symlink resumed>) = 0 [pid 6097] close(6 [pid 5033] getdents64(3, [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] unlink("./82/cgroup" [pid 5028] unlink("./81/cgroup.net" [pid 6098] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] unlink("./84/binderfs" [pid 5028] <... unlink resumed>) = 0 [pid 6098] <... futex resumed>) = 0 [pid 6097] close(7 [pid 5033] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5028] umount2("./81/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./84/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] getdents64(3, [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6098] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6097] close(8 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./81/cgroup.cpu", [pid 5033] lstat("./88/binderfs", [pid 6098] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./84/cgroup.net", [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6098] <... mprotect resumed>) = 0 [pid 6097] close(9 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] unlink("./81/cgroup.cpu" [pid 6098] 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 5031] unlink("./84/cgroup.net" [pid 5028] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6100 attached [pid 5031] <... unlink resumed>) = 0 [pid 5028] umount2("./81/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6100] set_robust_list(0x7f4e92bc39e0, 24 [pid 6098] <... clone resumed>, parent_tid=[175], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 175 [pid 5031] umount2("./84/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6100] <... set_robust_list resumed>) = 0 [pid 6098] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./88/binderfs" [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] close(3 [pid 6100] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6098] <... futex resumed>) = 0 [pid 6097] close(10 [pid 5033] <... unlink resumed>) = 0 [pid 5031] lstat("./84/cgroup.cpu", [pid 5029] <... close resumed>) = 0 [pid 5028] lstat("./81/cgroup", [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./88/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] rmdir("./82" [pid 6100] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6098] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6097] close(11 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... rmdir resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6100] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./88/cgroup.net", [pid 5031] unlink("./84/cgroup.cpu" [pid 5029] mkdir("./83", 0777 [pid 6100] <... futex resumed>) = 1 [pid 6098] <... futex resumed>) = 0 [pid 6097] close(12 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5028] unlink("./81/cgroup" [pid 6100] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6098] close(3 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./88/cgroup.net" [pid 5031] umount2("./84/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... mkdir resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] close(13 [pid 5033] <... unlink resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] getdents64(3, ./strace-static-x86_64: Process 6101 attached [pid 6098] close(4 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./88/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] lstat("./84/cgroup", [pid 6101] set_robust_list(0x55555580e6e0, 24 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] close(14 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6101] <... set_robust_list resumed>) = 0 [pid 6098] close(5 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./88/cgroup.cpu", [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 168 [pid 6101] chdir("./83" [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] close(15 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] unlink("./84/cgroup" [pid 5028] close(3 [pid 6101] <... chdir resumed>) = 0 [pid 6098] close(6 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./88/cgroup.cpu" [pid 6101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] close(16 [pid 5033] <... unlink resumed>) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5028] <... close resumed>) = 0 [pid 6101] <... prctl resumed>) = 0 [pid 6098] close(7 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./88/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] getdents64(3, [pid 6101] setpgid(0, 0 [pid 6097] close(17 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] rmdir("./81" [pid 6101] <... setpgid resumed>) = 0 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./88/cgroup", [pid 6101] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] close(18 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... rmdir resumed>) = 0 [pid 6101] <... symlink resumed>) = 0 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./88/cgroup" [pid 6101] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6098] close(8 [pid 6097] close(19 [pid 5033] <... unlink resumed>) = 0 [pid 5031] close(3 [pid 5028] mkdir("./82", 0777 [pid 6101] <... symlink resumed>) = 0 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5031] <... close resumed>) = 0 [pid 6101] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6098] close(9 [pid 6097] close(20 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] rmdir("./84" [pid 5028] <... mkdir resumed>) = 0 [pid 6101] <... symlink resumed>) = 0 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5031] <... rmdir resumed>) = 0 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6102 attached [pid 6101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6098] close(10 [pid 6097] close(21 [pid 5033] <... close resumed>) = 0 [pid 5031] mkdir("./85", 0777 [pid 6102] set_robust_list(0x55555580e6e0, 24 [pid 6101] <... openat resumed>) = 3 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] rmdir("./88" [pid 5031] <... mkdir resumed>) = 0 [pid 6102] <... set_robust_list resumed>) = 0 [pid 6101] write(3, "1000", 4 [pid 6098] close(11 [pid 6097] close(22 [pid 5033] <... rmdir resumed>) = 0 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 166 [pid 6102] chdir("./82" [pid 6101] <... write resumed>) = 4 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./89", 0777 [pid 6102] <... chdir resumed>) = 0 [pid 6101] close(3 [pid 6097] close(23 [pid 5033] <... mkdir resumed>) = 0 [pid 6102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6101] <... close resumed>) = 0 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6103 attached ./strace-static-x86_64: Process 6104 attached [pid 6102] <... prctl resumed>) = 0 [pid 6101] read(200, [pid 6098] close(12 [pid 6097] close(24 [pid 6103] set_robust_list(0x55555580e6e0, 24 [pid 6102] setpgid(0, 0 [pid 6101] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 180 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] set_robust_list(0x55555580e6e0, 24 [pid 6103] <... set_robust_list resumed>) = 0 [pid 6102] <... setpgid resumed>) = 0 [pid 6101] symlink("/dev/binderfs", "./binderfs" [pid 6097] close(25 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 172 [pid 6104] <... set_robust_list resumed>) = 0 [pid 6103] chdir("./85" [pid 6102] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6101] <... symlink resumed>) = 0 [pid 6098] close(13 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] chdir("./89" [pid 6103] <... chdir resumed>) = 0 [pid 6102] <... symlink resumed>) = 0 [pid 6101] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] close(26 [pid 6104] <... chdir resumed>) = 0 [pid 6103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6102] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6101] <... futex resumed>) = 0 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6103] <... prctl resumed>) = 0 [pid 6102] <... symlink resumed>) = 0 [pid 6101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6098] close(14 [pid 6097] close(27 [pid 6103] setpgid(0, 0 [pid 6102] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6101] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] <... prctl resumed>) = 0 [pid 6103] <... setpgid resumed>) = 0 [pid 6102] <... symlink resumed>) = 0 [pid 6101] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] close(28 [pid 6104] setpgid(0, 0 [pid 6103] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6101] <... mprotect resumed>) = 0 [pid 6098] close(15 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] <... setpgid resumed>) = 0 [pid 6103] <... symlink resumed>) = 0 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6098] close(16 [pid 6097] close(29 [pid 6104] <... symlink resumed>) = 0 [pid 6103] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6102] <... openat resumed>) = 3 [pid 6101] 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 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6105 attached [pid 6104] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6103] <... symlink resumed>) = 0 [pid 6102] write(3, "1000", 4write 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 6098] close(17 [pid 6097] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6105] set_robust_list(0x7f4e92bc39e0, 24 [pid 6104] <... symlink resumed>) = 0 [pid 6103] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6102] <... write resumed>) = 4 [pid 6101] <... clone resumed>, parent_tid=[169], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 169 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] <... write resumed>) = 335 [pid 6105] <... set_robust_list resumed>) = 0 [pid 6104] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6103] <... symlink resumed>) = 0 [pid 6102] close(3 [pid 6101] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] close(18 [pid 6097] exit_group(0 [pid 6105] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6104] <... symlink resumed>) = 0 [pid 6103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6102] <... close resumed>) = 0 [pid 6101] <... futex resumed>) = 0 [pid 6099] <... futex resumed>) = ? [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] <... exit_group resumed>) = ? [pid 6105] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6103] <... openat resumed>) = 3 [pid 6102] read(200, [pid 6101] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6099] +++ exited with 0 +++ [pid 6098] close(19 [pid 6105] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] write(3, "1000", 4 [pid 6102] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6105] <... futex resumed>) = 0 [pid 6104] <... openat resumed>) = 3 [pid 6103] <... write resumed>) = 4 [pid 6102] symlink("/dev/binderfs", "./binderfs" [pid 6101] close(3 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] +++ exited with 0 +++ [pid 6105] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6104] write(3, "1000", 4 [pid 6103] close(3 [pid 6102] <... symlink resumed>) = 0 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] <... write resumed>) = 4 [pid 6103] <... close resumed>) = 0 [pid 6102] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] close(4 [pid 6098] close(20 [pid 6103] read(200, [pid 6102] <... futex resumed>) = 0 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] close(3 [pid 6103] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6101] close(5 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=166, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6104] <... close resumed>) = 0 [pid 6103] symlink("/dev/binderfs", "./binderfs" [pid 6102] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(21 [pid 5030] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6104] read(200, [pid 6103] <... symlink resumed>) = 0 [pid 6102] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6101] close(6 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6104] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6103] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... mprotect resumed>) = 0 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6104] symlink("/dev/binderfs", "./binderfs" [pid 6103] <... futex resumed>) = 0 [pid 6102] 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 6101] close(7 [pid 5030] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6106 attached [pid 6104] <... symlink resumed>) = 0 [pid 6103] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(22 [pid 5030] fstat(3, [pid 6106] set_robust_list(0x7f4e92bc39e0, 24 [pid 6104] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6102] <... clone resumed>, parent_tid=[167], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 167 [pid 6101] close(8 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6106] <... set_robust_list resumed>) = 0 [pid 6104] <... futex resumed>) = 0 [pid 6103] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6102] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(23 [pid 5030] getdents64(3, [pid 6106] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6103] <... mprotect resumed>) = 0 [pid 6102] <... futex resumed>) = 0 [pid 6101] close(9 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6106] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6104] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6103] 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 6102] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(24 [pid 5030] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6107 attached [pid 6106] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6101] close(10 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6107] set_robust_list(0x7f4e92bc39e0, 24 [pid 6106] <... futex resumed>) = 0 [pid 6104] <... mprotect resumed>) = 0 [pid 6103] <... clone resumed>, parent_tid=[173], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 173 [pid 6102] close(3 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(25 [pid 5030] lstat("./82/binderfs", [pid 6107] <... set_robust_list resumed>) = 0 [pid 6106] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6104] 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 6103] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] close(11 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6107] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6103] <... futex resumed>) = 0 [pid 6102] close(4 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./82/binderfs" [pid 6107] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6103] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] close(12 [pid 6098] close(26 [pid 5030] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6108 attached [pid 6107] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6102] close(5 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./82/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6108] set_robust_list(0x7f4e92bc39e0, 24 [pid 6107] <... futex resumed>) = 0 [pid 6104] <... clone resumed>, parent_tid=[181], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 181 [pid 6103] close(3 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] close(13 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6108] <... set_robust_list resumed>) = 0 [pid 6107] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6104] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(6 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(27 [pid 5030] lstat("./82/cgroup.net", [pid 6108] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6104] <... futex resumed>) = 0 [pid 6103] close(4 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] close(14 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6108] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6104] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(7 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./82/cgroup.net" [pid 6108] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6103] close(5 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] close(15 [pid 6098] close(28 [pid 5030] <... unlink resumed>) = 0 [pid 6108] <... futex resumed>) = 0 [pid 6104] close(3 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(8 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./82/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6108] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6103] close(6 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] close(16 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(29 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6104] close(4 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(9 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./82/cgroup.cpu", [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] close(7 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] close(17 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6104] close(5 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(10 [pid 6101] <... 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 5030] unlink("./82/cgroup.cpu" [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] close(8 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] close(18 [pid 6098] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5030] <... unlink resumed>) = 0 [pid 6104] close(6 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(11 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... write resumed>) = 335 [pid 5030] umount2("./82/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] close(9 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] close(19 [pid 6098] exit_group(0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6104] close(7 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(12 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./82/cgroup", [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] close(10 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] close(20 [pid 6100] <... futex resumed>) = ? [pid 6098] <... exit_group resumed>) = ? [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6104] close(8 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(13 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./82/cgroup" [pid 6103] close(11 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] close(21 [pid 6100] +++ exited with 0 +++ [pid 5030] <... unlink resumed>) = 0 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(14 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] getdents64(3, [pid 6103] close(12 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] close(22 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(15 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] +++ exited with 0 +++ [pid 5030] close(3 [pid 6103] close(13 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] close(23 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=174, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5030] <... close resumed>) = 0 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] close(9 [pid 6103] close(14 [pid 6102] close(16 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] rmdir("./82" [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] close(24 [pid 5030] <... rmdir resumed>) = 0 [pid 6104] close(10 [pid 6103] close(15 [pid 6102] close(17 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] mkdir("./83", 0777 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] close(11 [pid 6103] close(16 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] close(25 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... mkdir resumed>) = 0 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(18 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6104] close(12) = -1 EBADF (Bad file descriptor) [pid 6103] close(17 [pid 6104] close(13) = -1 EBADF (Bad file descriptor) [pid 6104] close(14 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] close(26 [pid 5032] <... openat resumed>) = 3 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] close(15 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(19 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] fstat(3, ./strace-static-x86_64: Process 6109 attached [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] close(18 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] close(27 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 168 [pid 6109] set_robust_list(0x55555580e6e0, 24 [pid 6104] close(16 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(20 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6109] <... set_robust_list resumed>) = 0 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] close(19 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] close(28 [pid 5032] getdents64(3, [pid 6109] chdir("./83" [pid 6104] close(17 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(21 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6109] <... chdir resumed>) = 0 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] close(20 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] close(29 [pid 5032] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6104] close(18 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(22 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6109] <... prctl 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 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] close(21 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] lstat("./86/binderfs", [pid 6109] setpgid(0, 0 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(23 [pid 6101] <... write resumed>) = 335 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6109] <... setpgid resumed>) = 0 [pid 6104] close(19 [pid 6103] close(22 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] exit_group(0 [pid 5032] unlink("./86/binderfs" [pid 6109] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6105] <... futex resumed>) = ? [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(24 [pid 6101] <... exit_group resumed>) = ? [pid 5032] <... unlink resumed>) = 0 [pid 6109] <... symlink resumed>) = 0 [pid 6105] +++ exited with 0 +++ [pid 6104] close(20 [pid 6103] close(23 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] +++ exited with 0 +++ [pid 5032] umount2("./86/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6109] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(25 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=168, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6109] <... symlink resumed>) = 0 [pid 6104] close(21 [pid 6103] close(24 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./86/cgroup.net", [pid 6109] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(26 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6109] <... symlink resumed>) = 0 [pid 6103] close(25 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./86/cgroup.net" [pid 6104] close(22 [pid 6109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(27 [pid 5032] <... unlink resumed>) = 0 [pid 6109] <... openat resumed>) = 3 [pid 6103] close(26 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./86/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6109] write(3, "1000", 4 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(28 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6109] <... write resumed>) = 4 [pid 6104] close(23 [pid 6103] close(27 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./86/cgroup.cpu", [pid 6109] close(3 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(29 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6109] <... close resumed>) = 0 [pid 6104] close(24 [pid 6103] close(28 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./86/cgroup.cpu" [pid 6109] read(200, [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] 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 5029] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6109] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6104] close(25 [pid 6103] close(29 [pid 6102] <... 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 5032] umount2("./86/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6109] symlink("/dev/binderfs", "./binderfs" [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] exit_group(0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... openat resumed>) = 3 [pid 6109] <... symlink resumed>) = 0 [pid 6106] <... futex resumed>) = ? [pid 6104] close(26 [pid 6103] 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 6102] <... exit_group resumed>) = ? [pid 5032] lstat("./86/cgroup", [pid 6109] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] +++ exited with 0 +++ [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] <... write resumed>) = 335 [pid 6102] +++ exited with 0 +++ [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] fstat(3, [pid 6109] <... futex resumed>) = 0 [pid 6104] close(27 [pid 6103] exit_group(0 [pid 5032] unlink("./86/cgroup" [pid 6109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6107] <... futex resumed>) = ? [pid 6103] <... exit_group resumed>) = ? [pid 5032] <... unlink resumed>) = 0 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6109] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6107] +++ exited with 0 +++ [pid 6104] close(28 [pid 5032] getdents64(3, [pid 5029] getdents64(3, [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=166, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6109] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] restart_syscall(<... resuming interrupted clone ...> [pid 6109] <... mprotect resumed>) = 0 [pid 6104] close(29 [pid 6103] +++ exited with 0 +++ [pid 5032] close(3 [pid 5029] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... restart_syscall 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 6109] 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 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... close resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6110 attached [pid 6104] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] rmdir("./86" [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=172, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5029] lstat("./83/binderfs", [pid 6110] set_robust_list(0x7f4e92bc39e0, 24 [pid 6104] <... write resumed>) = 335 [pid 5032] <... rmdir resumed>) = 0 [pid 6109] <... clone resumed>, parent_tid=[169], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 169 [pid 5031] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6110] <... set_robust_list resumed>) = 0 [pid 6109] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] exit_group(0 [pid 5032] mkdir("./87", 0777 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./83/binderfs" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6110] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6109] <... futex resumed>) = 0 [pid 6108] <... futex resumed>) = ? [pid 6104] <... exit_group resumed>) = ? [pid 5032] <... mkdir resumed>) = 0 [pid 5031] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... unlink resumed>) = 0 [pid 5028] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6110] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6109] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5031] <... openat resumed>) = 3 [pid 5029] umount2("./83/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... openat resumed>) = 3 [pid 6110] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5031] fstat(3, [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] fstat(3, [pid 6110] <... futex resumed>) = 0 [pid 6109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] lstat("./83/cgroup.net", [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6110] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5031] getdents64(3, [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] getdents64(3, [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] unlink("./83/cgroup.net" [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... unlink resumed>) = 0 [pid 5028] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6109] close(3 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./83/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./85/binderfs", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./82/binderfs", ./strace-static-x86_64: Process 6111 attached [pid 6109] close(4 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] lstat("./83/cgroup.cpu", [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6111] set_robust_list(0x55555580e6e0, 24 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./85/binderfs" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] unlink("./82/binderfs" [pid 6111] <... set_robust_list resumed>) = 0 [pid 6109] close(5 [pid 6108] +++ exited with 0 +++ [pid 6104] +++ exited with 0 +++ [pid 5031] <... unlink resumed>) = 0 [pid 5029] unlink("./83/cgroup.cpu" [pid 5028] <... unlink resumed>) = 0 [pid 6111] chdir("./87" [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 176 [pid 5031] umount2("./85/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... unlink resumed>) = 0 [pid 5028] umount2("./82/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6111] <... chdir resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./83/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5031] lstat("./85/cgroup.net", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./82/cgroup.net", [pid 6111] <... prctl resumed>) = 0 [pid 6109] close(6 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=180, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] lstat("./83/cgroup", [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6111] setpgid(0, 0 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./85/cgroup.net" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] unlink("./82/cgroup.net" [pid 6111] <... setpgid resumed>) = 0 [pid 6109] close(7 [pid 5031] <... unlink resumed>) = 0 [pid 5029] unlink("./83/cgroup" [pid 5028] <... unlink resumed>) = 0 [pid 6111] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] umount2("./85/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... unlink resumed>) = 0 [pid 5028] umount2("./82/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6111] <... symlink resumed>) = 0 [pid 6109] close(8 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] getdents64(3, [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6111] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5031] lstat("./85/cgroup.cpu", [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] lstat("./82/cgroup.cpu", [pid 6111] <... symlink resumed>) = 0 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] close(3 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6111] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6109] close(9 [pid 5033] <... openat resumed>) = 3 [pid 5031] unlink("./85/cgroup.cpu" [pid 5029] <... close resumed>) = 0 [pid 5028] unlink("./82/cgroup.cpu" [pid 6111] <... symlink resumed>) = 0 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 5031] <... unlink resumed>) = 0 [pid 5029] rmdir("./83" [pid 5028] <... unlink resumed>) = 0 [pid 6111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6109] close(10 [pid 5031] umount2("./85/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] <... rmdir resumed>) = 0 [pid 5028] umount2("./82/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6111] <... openat resumed>) = 3 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] mkdir("./84", 0777 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6111] write(3, "1000", 4 [pid 6109] close(11 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] lstat("./85/cgroup", [pid 5029] <... mkdir resumed>) = 0 [pid 5028] lstat("./82/cgroup", [pid 6111] <... write resumed>) = 4 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6111] close(3 [pid 6109] close(12 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] unlink("./85/cgroup" [pid 5028] unlink("./82/cgroup"./strace-static-x86_64: Process 6112 attached [pid 6111] <... close resumed>) = 0 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./89/binderfs", [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 170 [pid 5028] <... unlink resumed>) = 0 [pid 6112] set_robust_list(0x55555580e6e0, 24 [pid 6111] read(200, [pid 6109] close(13 [pid 5031] getdents64(3, [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] getdents64(3, [pid 6112] <... set_robust_list resumed>) = 0 [pid 6111] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./89/binderfs" [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6112] chdir("./84" [pid 6111] symlink("/dev/binderfs", "./binderfs" [pid 5031] close(3 [pid 5028] close(3 [pid 6112] <... chdir resumed>) = 0 [pid 6111] <... symlink resumed>) = 0 [pid 6109] close(14 [pid 5033] <... unlink resumed>) = 0 [pid 5031] <... close resumed>) = 0 [pid 5028] <... close resumed>) = 0 [pid 6111] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5031] rmdir("./85" [pid 5028] rmdir("./82" [pid 6112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6111] <... futex resumed>) = 0 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./89/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... rmdir resumed>) = 0 [pid 5028] <... rmdir resumed>) = 0 [pid 6112] <... prctl resumed>) = 0 [pid 6111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6109] close(15 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] mkdir("./86", 0777 [pid 5028] mkdir("./83", 0777 [pid 6112] setpgid(0, 0 [pid 6111] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./89/cgroup.net", [pid 5031] <... mkdir resumed>) = 0 [pid 6112] <... setpgid resumed>) = 0 [pid 6111] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6109] close(16 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... mkdir resumed>) = 0 [pid 6112] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6111] <... mprotect resumed>) = 0 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./89/cgroup.net" [pid 5031] 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 6112] <... symlink resumed>) = 0 [pid 6111] 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 6109] close(17 [pid 5033] <... unlink resumed>) = 0 [pid 6112] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./89/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6112] <... symlink resumed>) = 0 [pid 6109] close(18 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6115 attached ./strace-static-x86_64: Process 6114 attached ./strace-static-x86_64: Process 6113 attached [pid 6112] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./89/cgroup.cpu", [pid 6114] set_robust_list(0x7f4e92bc39e0, 24 [pid 6113] set_robust_list(0x55555580e6e0, 24 [pid 6112] <... symlink resumed>) = 0 [pid 6111] <... clone resumed>, parent_tid=[177], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 177 [pid 6109] close(19 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 174 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 168 [pid 6115] set_robust_list(0x55555580e6e0, 24 [pid 6114] <... set_robust_list resumed>) = 0 [pid 6113] <... set_robust_list resumed>) = 0 [pid 6111] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6113] chdir("./83" [pid 6111] <... futex resumed>) = 0 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./89/cgroup.cpu" [pid 6115] <... set_robust_list resumed>) = 0 [pid 6114] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6113] <... chdir resumed>) = 0 [pid 6112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6111] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6109] close(20 [pid 5033] <... unlink resumed>) = 0 [pid 6115] chdir("./86" [pid 6114] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6112] <... openat resumed>) = 3 [pid 6111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./89/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6115] <... chdir resumed>) = 0 [pid 6114] <... futex resumed>) = 0 [pid 6113] <... prctl resumed>) = 0 [pid 6112] write(3, "1000", 4 [pid 6111] close(3 [pid 6109] close(21 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6114] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] setpgid(0, 0 [pid 6112] <... write resumed>) = 4 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./89/cgroup", [pid 6113] <... setpgid resumed>) = 0 [pid 6112] close(3 [pid 6111] close(4 [pid 6109] close(22 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6115] <... prctl resumed>) = 0 [pid 6113] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6115] setpgid(0, 0 [pid 6112] <... close resumed>) = 0 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./89/cgroup" [pid 6115] <... setpgid resumed>) = 0 [pid 6113] <... symlink resumed>) = 0 [pid 6112] read(200, [pid 6111] close(5 [pid 6109] close(23 [pid 6115] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6113] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6112] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 6115] <... symlink resumed>) = 0 [pid 6113] <... symlink resumed>) = 0 [pid 6112] symlink("/dev/binderfs", "./binderfs" [pid 6111] close(6 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 6115] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6113] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6112] <... symlink resumed>) = 0 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6109] close(24 [pid 6115] <... symlink resumed>) = 0 [pid 6113] <... symlink resumed>) = 0 [pid 6112] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] close(7 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6115] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6112] <... futex resumed>) = 0 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 6115] <... symlink resumed>) = 0 [pid 6113] <... openat resumed>) = 3 [pid 6112] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6111] close(8 [pid 6109] close(25 [pid 5033] <... close resumed>) = 0 [pid 6115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6113] write(3, "1000", 4 [pid 6112] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] rmdir("./89" [pid 6115] <... openat resumed>) = 3 [pid 6113] <... write resumed>) = 4 [pid 6112] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6111] close(9 [pid 6109] close(26 [pid 5033] <... rmdir resumed>) = 0 [pid 6113] close(3 [pid 6112] <... mprotect resumed>) = 0 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] write(3, "1000", 4 [pid 6113] <... close resumed>) = 0 [pid 6112] 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 6111] close(10 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6116 attached [pid 6115] <... write resumed>) = 4 [pid 6113] read(200, [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6109] close(27 [pid 5033] mkdir("./90", 0777 [pid 6116] set_robust_list(0x7f4e92bc39e0, 24 [pid 6115] close(3 [pid 6113] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6112] <... clone resumed>, parent_tid=[171], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 171 [pid 6111] close(11 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... mkdir resumed>) = 0 [pid 6116] <... set_robust_list resumed>) = 0 [pid 6115] <... close resumed>) = 0 [pid 6113] symlink("/dev/binderfs", "./binderfs" [pid 6112] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6109] close(28 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6116] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6115] read(200, [pid 6113] <... symlink resumed>) = 0 [pid 6112] <... futex resumed>) = 0 [pid 6111] close(12 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6116] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6113] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6117 attached [pid 6116] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6113] <... futex resumed>) = 0 [pid 6112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6111] close(13 [pid 6109] close(29 [pid 6117] set_robust_list(0x55555580e6e0, 24 [pid 6116] <... futex resumed>) = 0 [pid 6115] symlink("/dev/binderfs", "./binderfs" [pid 6113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6112] close(3 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] <... set_robust_list resumed>) = 0 [pid 6116] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] close(14 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] chdir("./90" [pid 6115] <... symlink resumed>) = 0 [pid 6113] 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 [pid 6112] close(4 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6109] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 182 [pid 6117] <... chdir resumed>) = 0 [pid 6115] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] <... mprotect resumed>) = 0 [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] close(15 [pid 6109] <... write resumed>) = 335 [pid 6117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6115] <... futex resumed>) = 0 [pid 6113] 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 6112] close(5 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6109] exit_group(0./strace-static-x86_64: Process 6118 attached [pid 6117] <... prctl resumed>) = 0 [pid 6115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] close(16 [pid 6110] <... futex resumed>) = ? [pid 6109] <... exit_group resumed>) = ? [pid 6118] set_robust_list(0x7f4e92bc39e0, 24 [pid 6117] setpgid(0, 0 [pid 6115] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6113] <... clone resumed>, parent_tid=[169], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 169 [pid 6112] close(6 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6110] +++ exited with 0 +++ [pid 6118] <... set_robust_list resumed>) = 0 [pid 6117] <... setpgid resumed>) = 0 [pid 6113] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] close(17 [pid 6118] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6117] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6115] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6113] <... futex resumed>) = 0 [pid 6112] close(7 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6118] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6117] <... symlink resumed>) = 0 [pid 6115] <... mprotect resumed>) = 0 [pid 6113] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] close(18 [pid 6118] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6112] close(8 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6109] +++ exited with 0 +++ [pid 6118] <... futex resumed>) = 0 [pid 6117] <... symlink resumed>) = 0 [pid 6115] 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 6113] close(3 [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] close(19 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=168, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 6119 attached [pid 6118] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6117] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] close(9 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] restart_syscall(<... resuming interrupted clone ...> [pid 6119] set_robust_list(0x7f4e92bc39e0, 24 [pid 6117] <... symlink resumed>) = 0 [pid 6115] <... clone resumed>, parent_tid=[175], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 175 [pid 6113] close(4 [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] close(20 [pid 5030] <... restart_syscall resumed>) = 0 [pid 6119] <... set_robust_list resumed>) = 0 [pid 6117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6115] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] close(10 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6117] <... openat resumed>) = 3 [pid 6115] <... futex resumed>) = 0 [pid 6113] close(5 [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] close(21 [pid 6117] write(3, "1000", 4 [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] close(11 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6119] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6117] <... write resumed>) = 4 [pid 6115] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6113] close(6 [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] close(22 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6119] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] close(3 [pid 6115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] close(12 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6119] <... futex resumed>) = 0 [pid 6117] <... close resumed>) = 0 [pid 6115] close(3 [pid 6113] close(7 [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] close(23 [pid 5030] <... openat resumed>) = 3 [pid 6119] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6117] read(200, [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] close(13 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] fstat(3, [pid 6117] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6115] close(4 [pid 6113] close(8 [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] close(24 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6117] symlink("/dev/binderfs", "./binderfs" [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] close(14 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] getdents64(3, [pid 6117] <... symlink resumed>) = 0 [pid 6115] close(5 [pid 6113] close(9 [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] close(25 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6117] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] close(15 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6117] <... futex resumed>) = 0 [pid 6115] close(6 [pid 6113] close(10 [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] close(26 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] close(16 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./83/binderfs", [pid 6117] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6115] close(7 [pid 6113] close(11 [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] close(27 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6117] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] close(17 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./83/binderfs" [pid 6117] <... mprotect resumed>) = 0 [pid 6115] close(8 [pid 6113] close(12 [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] close(28 [pid 5030] <... unlink resumed>) = 0 [pid 6117] 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 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] close(18 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6120 attached [pid 6115] close(9 [pid 5030] umount2("./83/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6120] set_robust_list(0x7f4e92bc39e0, 24 [pid 6117] <... clone resumed>, parent_tid=[183], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 183 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] close(13 [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] close(29 [pid 6120] <... set_robust_list resumed>) = 0 [pid 6117] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] close(10 [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] close(19 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6120] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6117] <... futex resumed>) = 0 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6117] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6115] close(11 [pid 6113] close(14 [pid 6112] <... 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 6111] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5030] lstat("./83/cgroup.net", [pid 6120] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] close(20 [pid 6115] close(12) = -1 EBADF (Bad file descriptor) [pid 6111] <... write resumed>) = 335 [pid 6115] close(13) = -1 EBADF (Bad file descriptor) [pid 6113] close(15 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6120] <... futex resumed>) = 0 [pid 6117] close(3 [pid 6115] close(14 [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] exit_group(0 [pid 6120] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULLwrite 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 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6114] <... futex resumed>) = ? [pid 6113] close(16 [pid 6112] close(21 [pid 6111] <... exit_group resumed>) = ? [pid 5030] unlink("./83/cgroup.net" [pid 6115] close(15) = -1 EBADF (Bad file descriptor) [pid 6115] close(16 [pid 6117] close(4 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] close(17 [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6114] +++ exited with 0 +++ [pid 5030] <... unlink resumed>) = 0 [pid 6115] close(18) = -1 EBADF (Bad file descriptor) [pid 6115] close(19) = -1 EBADF (Bad file descriptor) [pid 6115] close(20 [pid 5030] umount2("./83/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] close(21) = -1 EBADF (Bad file descriptor) [pid 6115] close(22) = -1 EBADF (Bad file descriptor) [pid 6115] close(23) = -1 EBADF (Bad file descriptor) [pid 6115] close(24) = -1 EBADF (Bad file descriptor) [pid 6115] close(25) = -1 EBADF (Bad file descriptor) [pid 6115] close(26) = -1 EBADF (Bad file descriptor) [pid 6112] close(22 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] close(27 [pid 6113] close(17 [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6117] close(5 [pid 6115] close(28) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] close(29 [pid 6113] close(18 [pid 6112] close(23 [pid 5030] lstat("./83/cgroup.cpu", [pid 6117] close(6 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6113] close(19 [pid 6112] close(24 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6115] <... write resumed>) = 335 [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] close(7 [pid 6115] exit_group(0 [pid 6113] close(20 [pid 6112] close(25 [pid 5030] unlink("./83/cgroup.cpu" [pid 6119] <... futex resumed>) = ? [pid 6115] <... exit_group resumed>) = ? [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] +++ exited with 0 +++ [pid 6117] close(8 [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] +++ exited with 0 +++ [pid 5030] <... unlink resumed>) = 0 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] close(21 [pid 6112] close(26 [pid 5030] umount2("./83/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6117] close(9 [pid 6115] +++ exited with 0 +++ [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=176, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] close(22 [pid 6112] close(27 [pid 5032] restart_syscall(<... resuming interrupted clone ...> [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=174, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5030] lstat("./83/cgroup", [pid 6117] close(10 [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... restart_syscall resumed>) = 0 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] close(23 [pid 6112] close(28 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6117] close(11) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] unlink("./83/cgroup" [pid 6117] close(12 [pid 6113] close(24 [pid 6112] close(29 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... 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 5030] <... unlink resumed>) = 0 [pid 6117] close(13 [pid 6113] close(25 [pid 6112] 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 5031] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] <... write resumed>) = 335 [pid 5032] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] getdents64(3, [pid 6117] close(14 [pid 6113] close(26 [pid 6112] exit_group(0 [pid 5031] <... openat resumed>) = 3 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6116] <... futex resumed>) = ? [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] <... exit_group resumed>) = ? [pid 5032] <... openat resumed>) = 3 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6117] close(15 [pid 6116] +++ exited with 0 +++ [pid 6113] close(27 [pid 6112] +++ exited with 0 +++ [pid 5032] fstat(3, [pid 5031] fstat(3, [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] close(3 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=170, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6117] close(16 [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] getdents64(3, [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] close(28 [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] <... close resumed>) = 0 [pid 6117] close(17 [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] getdents64(3, [pid 5031] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] rmdir("./83" [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6117] close(18 [pid 6113] close(29 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] lstat("./86/binderfs", [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] <... rmdir resumed>) = 0 [pid 6117] close(19 [pid 5031] unlink("./86/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 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] 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 5031] <... unlink resumed>) = 0 [pid 5030] mkdir("./84", 0777 [pid 6117] close(20 [pid 6113] <... write resumed>) = 335 [pid 5032] lstat("./87/binderfs", [pid 5031] umount2("./86/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] exit_group(0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... mkdir resumed>) = 0 [pid 6118] <... futex resumed>) = ? [pid 6117] close(21 [pid 6113] <... exit_group resumed>) = ? [pid 5032] unlink("./87/binderfs" [pid 5031] lstat("./86/cgroup.net", [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6118] +++ exited with 0 +++ [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6117] close(22 [pid 5031] unlink("./86/cgroup.net" [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 6117] close(23 [pid 5031] umount2("./86/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6117] close(24 [pid 5031] lstat("./86/cgroup.cpu", ./strace-static-x86_64: Process 6121 attached [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./87/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6121] set_robust_list(0x55555580e6e0, 24 [pid 6117] close(25 [pid 5031] unlink("./86/cgroup.cpu" [pid 6121] <... set_robust_list resumed>) = 0 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... unlink resumed>) = 0 [pid 5029] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6121] chdir("./84" [pid 6117] close(26 [pid 5032] lstat("./87/cgroup.net", [pid 5031] umount2("./86/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6121] <... chdir resumed>) = 0 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... openat resumed>) = 3 [pid 6121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6117] close(27 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] lstat("./86/cgroup", [pid 6121] <... prctl resumed>) = 0 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./87/cgroup.net" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] fstat(3, [pid 6121] setpgid(0, 0 [pid 6117] close(28 [pid 5031] unlink("./86/cgroup" [pid 6121] <... setpgid resumed>) = 0 [pid 6113] +++ exited with 0 +++ [pid 5032] <... unlink resumed>) = 0 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 170 [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6121] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./87/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... unlink resumed>) = 0 [pid 5029] getdents64(3, [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=168, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6121] <... symlink resumed>) = 0 [pid 6117] close(29 [pid 5032] lstat("./87/cgroup.cpu", [pid 5031] getdents64(3, [pid 5029] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6121] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6121] <... 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 6117] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] close(3 [pid 5029] lstat("./84/binderfs", [pid 6121] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6117] <... write resumed>) = 335 [pid 5032] unlink("./87/cgroup.cpu" [pid 5031] <... close resumed>) = 0 [pid 6121] <... symlink resumed>) = 0 [pid 6117] exit_group(0 [pid 5031] rmdir("./86" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6120] <... futex resumed>) = ? [pid 6117] <... exit_group resumed>) = ? [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... rmdir resumed>) = 0 [pid 6121] <... openat resumed>) = 3 [pid 6120] +++ exited with 0 +++ [pid 6117] +++ exited with 0 +++ [pid 5032] umount2("./87/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] mkdir("./87", 0777 [pid 5029] unlink("./84/binderfs" [pid 5028] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6121] write(3, "1000", 4 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... mkdir resumed>) = 0 [pid 6121] <... write resumed>) = 4 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=182, 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./strace-static-x86_64: Process 6122 attached [pid 6121] close(3 [pid 5033] restart_syscall(<... resuming interrupted clone ...> [pid 5032] lstat("./87/cgroup", [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6122] set_robust_list(0x55555580e6e0, 24 [pid 6121] <... close resumed>) = 0 [pid 5033] <... restart_syscall resumed>) = 0 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 176 [pid 6122] <... set_robust_list resumed>) = 0 [pid 6121] read(200, [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] umount2("./84/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6122] chdir("./87" [pid 6121] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5032] unlink("./87/cgroup" [pid 6122] <... chdir resumed>) = 0 [pid 6121] symlink("/dev/binderfs", "./binderfs" [pid 5033] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... openat resumed>) = 3 [pid 6122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6121] <... symlink resumed>) = 0 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... unlink resumed>) = 0 [pid 6122] <... prctl resumed>) = 0 [pid 6121] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6122] setpgid(0, 0 [pid 6121] <... futex resumed>) = 0 [pid 5033] <... openat resumed>) = 3 [pid 6122] <... setpgid resumed>) = 0 [pid 6121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5033] fstat(3, [pid 5032] getdents64(3, [pid 5029] lstat("./84/cgroup.net", [pid 5028] fstat(3, [pid 6122] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6121] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6122] <... symlink resumed>) = 0 [pid 6121] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5033] getdents64(3, [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 6122] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6121] <... mprotect resumed>) = 0 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] close(3 [pid 6122] <... symlink resumed>) = 0 [pid 6121] 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] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./84/cgroup.net" [pid 5028] getdents64(3, ./strace-static-x86_64: Process 6123 attached [pid 6122] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... close resumed>) = 0 [pid 6123] set_robust_list(0x7f4e92bc39e0, 24 [pid 6122] <... symlink resumed>) = 0 [pid 6121] <... clone resumed>, parent_tid=[171], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 171 [pid 5033] lstat("./90/binderfs", [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] rmdir("./87" [pid 6123] <... set_robust_list resumed>) = 0 [pid 6122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6121] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] umount2("./84/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6123] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6122] <... openat resumed>) = 3 [pid 6121] <... futex resumed>) = 0 [pid 5033] unlink("./90/binderfs" [pid 5032] <... rmdir resumed>) = 0 [pid 6123] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6122] write(3, "1000", 4 [pid 6121] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5033] <... unlink resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6123] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] <... write resumed>) = 4 [pid 6121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] umount2("./90/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] mkdir("./88", 0777 [pid 6123] <... futex resumed>) = 0 [pid 6122] close(3 [pid 6121] close(3 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./84/cgroup.cpu", [pid 5028] lstat("./83/binderfs", [pid 6123] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6122] <... close resumed>) = 0 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./90/cgroup.net", [pid 5032] <... mkdir resumed>) = 0 [pid 6122] read(200, [pid 6121] close(4 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 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=13, ...}) = 0 [pid 6122] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./90/cgroup.net" [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6122] symlink("/dev/binderfs", "./binderfs" [pid 6121] close(5 [pid 5033] <... unlink resumed>) = 0 [pid 5029] unlink("./84/cgroup.cpu" [pid 5028] unlink("./83/binderfs" [pid 6122] <... symlink resumed>) = 0 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./90/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... unlink resumed>) = 0 [pid 6122] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] close(6 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 6122] <... futex resumed>) = 0 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./90/cgroup.cpu", [pid 5029] umount2("./84/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6121] close(7 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] umount2("./83/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6122] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./90/cgroup.cpu" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6124 attached [pid 6122] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6121] close(8 [pid 5033] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6124] set_robust_list(0x55555580e6e0, 24 [pid 6122] <... mprotect resumed>) = 0 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./90/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] lstat("./84/cgroup", [pid 6124] <... set_robust_list resumed>) = 0 [pid 6122] 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 6121] close(9 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./83/cgroup.net", ./strace-static-x86_64: Process 6125 attached [pid 6124] chdir("./88" [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./90/cgroup", [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 178 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6125] set_robust_list(0x7f4e92bc39e0, 24 [pid 6124] <... chdir resumed>) = 0 [pid 6122] <... clone resumed>, parent_tid=[177], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 177 [pid 6121] close(10 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6125] <... set_robust_list resumed>) = 0 [pid 6124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6122] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./90/cgroup" [pid 5029] unlink("./84/cgroup" [pid 6125] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6124] <... prctl resumed>) = 0 [pid 6122] <... futex resumed>) = 0 [pid 6121] close(11 [pid 5033] <... unlink resumed>) = 0 [pid 5028] unlink("./83/cgroup.net" [pid 6125] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6124] setpgid(0, 0 [pid 6122] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5029] <... unlink resumed>) = 0 [pid 6125] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] <... setpgid resumed>) = 0 [pid 6122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6121] close(12 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6125] <... futex resumed>) = 0 [pid 6124] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6122] close(3 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5029] getdents64(3, [pid 5028] umount2("./83/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6125] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6124] <... symlink resumed>) = 0 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] close(13 [pid 5033] <... close resumed>) = 0 [pid 6124] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6122] close(4 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] rmdir("./90" [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6124] <... symlink resumed>) = 0 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] close(14 [pid 5033] <... rmdir resumed>) = 0 [pid 6124] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6122] close(5 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./91", 0777 [pid 5029] close(3 [pid 5028] lstat("./83/cgroup.cpu", [pid 6124] <... symlink resumed>) = 0 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] close(15 [pid 5033] <... mkdir resumed>) = 0 [pid 5029] <... close resumed>) = 0 [pid 6124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6122] close(6 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6126 attached [pid 6124] <... openat resumed>) = 3 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] close(16 [pid 5029] rmdir("./84" [pid 6124] write(3, "1000", 4 [pid 6122] close(7 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 184 [pid 6124] <... write resumed>) = 4 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] close(17 [pid 6124] close(3 [pid 6122] close(8 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6124] <... close resumed>) = 0 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] close(18 [pid 6124] read(200, [pid 6122] close(9 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] unlink("./83/cgroup.cpu" [pid 6126] set_robust_list(0x55555580e6e0, 24 [pid 6124] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] close(19 [pid 5029] <... rmdir resumed>) = 0 [pid 6126] <... set_robust_list resumed>) = 0 [pid 6124] symlink("/dev/binderfs", "./binderfs" [pid 6122] close(10 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... unlink resumed>) = 0 [pid 6126] chdir("./91" [pid 6124] <... symlink resumed>) = 0 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] close(20 [pid 5029] mkdir("./85", 0777 [pid 6126] <... chdir resumed>) = 0 [pid 6124] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] close(11 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... mkdir resumed>) = 0 [pid 5028] umount2("./83/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6124] <... futex resumed>) = 0 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] close(21 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6126] <... prctl resumed>) = 0 [pid 6124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6122] close(12 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6127 attached [pid 6126] setpgid(0, 0 [pid 6124] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] close(22 [pid 6127] set_robust_list(0x55555580e6e0, 24 [pid 6126] <... setpgid resumed>) = 0 [pid 6124] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6122] close(13 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] lstat("./83/cgroup", [pid 6127] <... set_robust_list resumed>) = 0 [pid 6126] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6124] <... mprotect resumed>) = 0 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] close(23 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 172 [pid 6127] chdir("./85" [pid 6126] <... symlink resumed>) = 0 [pid 6124] 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 6122] close(14 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 6128 attached [pid 6127] <... chdir resumed>) = 0 [pid 6126] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] close(24 [pid 5028] unlink("./83/cgroup" [pid 6128] set_robust_list(0x7f4e92bc39e0, 24 [pid 6127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6126] <... symlink resumed>) = 0 [pid 6124] <... clone resumed>, parent_tid=[179], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 179 [pid 6122] close(15 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] <... set_robust_list resumed>) = 0 [pid 6127] <... prctl resumed>) = 0 [pid 6126] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6124] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] close(25 [pid 5028] <... unlink resumed>) = 0 [pid 6128] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6127] setpgid(0, 0 [pid 6126] <... symlink resumed>) = 0 [pid 6124] <... futex resumed>) = 0 [pid 6122] close(16 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6127] <... setpgid resumed>) = 0 [pid 6126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5028] getdents64(3, [pid 6128] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6126] <... openat resumed>) = 3 [pid 6124] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] close(26 [pid 6128] <... futex resumed>) = 0 [pid 6127] <... symlink resumed>) = 0 [pid 6126] write(3, "1000", 4 [pid 6124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6122] close(17 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6128] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6127] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6126] <... write resumed>) = 4 [pid 6124] close(3 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] close(27 [pid 5028] close(3 [pid 6127] <... symlink resumed>) = 0 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] close(18 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] close(3 [pid 5028] <... close resumed>) = 0 [pid 6127] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6126] <... close resumed>) = 0 [pid 6124] close(4 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] close(28 [pid 6127] <... symlink resumed>) = 0 [pid 6126] read(200, [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] close(19 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] rmdir("./83" [pid 6127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6126] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6124] close(5 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] close(29 [pid 5028] <... rmdir resumed>) = 0 [pid 6127] <... openat resumed>) = 3 [pid 6126] symlink("/dev/binderfs", "./binderfs" [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] close(20 [pid 5028] mkdir("./84", 0777 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] write(3, "1000", 4 [pid 6126] <... symlink resumed>) = 0 [pid 5028] <... mkdir resumed>) = 0 [pid 6127] <... write resumed>) = 4 [pid 6126] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000write 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 6124] close(6 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6127] close(3 [pid 6126] <... futex resumed>) = 0 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] close(21 [pid 6121] <... write resumed>) = 335 [pid 6127] <... close resumed>) = 0 [pid 6124] close(7 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] exit_group(0 [pid 6127] read(200, [pid 6126] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] <... futex resumed>) = ? [pid 6122] close(22 [pid 6121] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6129 attached [pid 6127] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6126] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6124] close(8 [pid 6123] +++ exited with 0 +++ [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] set_robust_list(0x55555580e6e0, 24 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] symlink("/dev/binderfs", "./binderfs" [pid 6122] close(23 [pid 6121] +++ exited with 0 +++ [pid 6126] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 170 [pid 6129] <... set_robust_list resumed>) = 0 [pid 6124] close(9 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] chdir("./84" [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] close(24 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=170, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6129] <... chdir resumed>) = 0 [pid 6127] <... symlink resumed>) = 0 [pid 6126] <... mprotect resumed>) = 0 [pid 6124] close(10 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] restart_syscall(<... resuming interrupted clone ...> [pid 6129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6127] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] close(25 [pid 6126] 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] <... restart_syscall resumed>) = 0 [pid 6129] <... prctl resumed>) = 0 [pid 6127] <... futex resumed>) = 0 [pid 6124] close(11 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6130 attached [pid 6129] setpgid(0, 0 [pid 6127] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] close(26 [pid 6130] set_robust_list(0x7f4e92bc39e0, 24 [pid 6129] <... setpgid resumed>) = 0 [pid 6127] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6126] <... clone resumed>, parent_tid=[185], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 185 [pid 6124] close(12 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6130] <... set_robust_list resumed>) = 0 [pid 6129] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6127] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6126] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] close(27 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6130] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6129] <... symlink resumed>) = 0 [pid 6127] <... mprotect resumed>) = 0 [pid 6126] <... futex resumed>) = 0 [pid 6124] close(13 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6130] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6129] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6127] 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 6126] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] close(28 [pid 5030] <... openat resumed>) = 3 [pid 6130] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] <... symlink resumed>) = 0 [pid 6124] close(14 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] fstat(3, [pid 6130] <... futex resumed>) = 0 [pid 6129] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] close(29 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 ./strace-static-x86_64: Process 6131 attached [pid 6130] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] <... symlink resumed>) = 0 [pid 6126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6124] close(15 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] getdents64(3, [pid 6131] set_robust_list(0x7f4e92bc39e0, 24 [pid 6129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6127] <... clone resumed>, parent_tid=[173], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 173 [pid 6126] close(3 [pid 6124] <... 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 6122] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6131] <... set_robust_list resumed>) = 0 [pid 6129] <... openat resumed>) = 3 [pid 6127] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6124] close(16 [pid 6122] <... write resumed>) = 335 [pid 5030] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6131] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6129] write(3, "1000", 4 [pid 6127] <... futex resumed>) = 0 [pid 6126] close(4 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] exit_group(0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6131] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6129] <... write resumed>) = 4 [pid 6127] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6125] <... futex resumed>) = ? [pid 6124] close(17 [pid 6122] <... exit_group resumed>) = ? [pid 5030] lstat("./84/binderfs", [pid 6131] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] close(3 [pid 6127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6126] close(5 [pid 6125] +++ exited with 0 +++ [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] +++ exited with 0 +++ [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6131] <... futex resumed>) = 0 [pid 6129] <... close resumed>) = 0 [pid 6127] close(3 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6124] close(18 [pid 5030] unlink("./84/binderfs" [pid 6131] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] read(200, [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] close(6 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5030] <... unlink resumed>) = 0 [pid 6129] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6127] close(4 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6124] close(19 [pid 5030] umount2("./84/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6129] symlink("/dev/binderfs", "./binderfs" [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] close(7 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6129] <... symlink resumed>) = 0 [pid 6127] close(5 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6124] close(20 [pid 5031] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] lstat("./84/cgroup.net", [pid 6129] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] close(8 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6129] <... futex resumed>) = 0 [pid 6127] close(6 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6124] close(21 [pid 5031] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] unlink("./84/cgroup.net" [pid 6129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] close(9 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... openat resumed>) = 3 [pid 5030] <... unlink resumed>) = 0 [pid 6129] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6127] close(7 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6124] close(22 [pid 5031] fstat(3, [pid 5030] umount2("./84/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6129] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] close(10 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6129] <... mprotect resumed>) = 0 [pid 6127] close(8 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6124] close(23 [pid 5031] getdents64(3, [pid 5030] lstat("./84/cgroup.cpu", [pid 6129] 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 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] close(11 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6132 attached [pid 6127] close(9 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6124] close(24 [pid 5031] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] unlink("./84/cgroup.cpu" [pid 6132] set_robust_list(0x7f4e92bc39e0, 24 [pid 6129] <... clone resumed>, parent_tid=[171], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 171 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] close(12 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... unlink resumed>) = 0 [pid 6132] <... set_robust_list resumed>) = 0 [pid 6129] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] close(10 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6124] close(25 [pid 5031] lstat("./87/binderfs", [pid 5030] umount2("./84/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6132] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6129] <... futex resumed>) = 0 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] close(13 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6132] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6129] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6127] close(11 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6124] close(26 [pid 5031] unlink("./87/binderfs" [pid 5030] lstat("./84/cgroup", [pid 6132] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] close(14 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6132] <... futex resumed>) = 0 [pid 6129] close(3 [pid 6127] close(12 [pid 6124] close(27 [pid 5031] umount2("./87/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] unlink("./84/cgroup" [pid 6132] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... unlink resumed>) = 0 [pid 6129] close(4 [pid 6127] close(13 [pid 6126] close(15 [pid 6124] close(28 [pid 5031] lstat("./87/cgroup.net", [pid 5030] getdents64(3, [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6129] close(5 [pid 6127] close(14 [pid 6126] close(16 [pid 6124] close(29 [pid 5031] unlink("./87/cgroup.net" [pid 5030] close(3 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5030] <... close resumed>) = 0 [pid 6129] close(6write 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 6127] close(15 [pid 6126] close(17 [pid 6124] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] umount2("./87/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] rmdir("./84" [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6124] <... write resumed>) = 335 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... rmdir resumed>) = 0 [pid 6129] close(7 [pid 6127] close(16 [pid 6126] close(18 [pid 6124] exit_group(0 [pid 5031] lstat("./87/cgroup.cpu", [pid 5030] mkdir("./85", 0777 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] <... futex resumed>) = ? [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6124] <... exit_group resumed>) = ? [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] <... mkdir resumed>) = 0 [pid 6129] close(8 [pid 6128] +++ exited with 0 +++ [pid 6127] close(17 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./87/cgroup.cpu" [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6133 attached [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] close(19 [pid 5031] <... unlink resumed>) = 0 [pid 6129] close(9 [pid 6127] close(18 [pid 5031] umount2("./87/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 172 [pid 6133] set_robust_list(0x55555580e6e0, 24 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6124] +++ exited with 0 +++ [pid 6133] <... set_robust_list resumed>) = 0 [pid 6126] close(20 [pid 6133] chdir("./85" [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=178, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6133] <... chdir resumed>) = 0 [pid 6126] close(21 [pid 5032] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6133] <... prctl resumed>) = 0 [pid 6129] close(10 [pid 6127] close(19 [pid 6126] close(22 [pid 5032] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6133] setpgid(0, 0 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... openat resumed>) = 3 [pid 5031] lstat("./87/cgroup", [pid 6133] <... setpgid resumed>) = 0 [pid 6129] close(11 [pid 6127] close(20 [pid 6126] close(23 [pid 5032] fstat(3, [pid 6133] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6133] <... symlink resumed>) = 0 [pid 6126] close(24 [pid 5032] getdents64(3, [pid 6133] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6129] close(12 [pid 6127] close(21 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] unlink("./87/cgroup" [pid 6133] <... symlink resumed>) = 0 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] close(25 [pid 5032] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6133] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6129] close(13 [pid 6127] close(22 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... unlink resumed>) = 0 [pid 6133] <... symlink resumed>) = 0 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] close(26 [pid 5032] lstat("./88/binderfs", [pid 5031] getdents64(3, [pid 6133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECwrite 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 6129] close(14 [pid 6127] close(23 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6133] <... openat resumed>) = 3 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] close(27 [pid 5032] unlink("./88/binderfs" [pid 5031] close(3 [pid 6133] write(3, "1000", 4 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 6133] <... write resumed>) = 4 [pid 6127] close(24 [pid 6126] close(28 [pid 5032] umount2("./88/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... close resumed>) = 0 [pid 6133] close(3 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6133] <... close resumed>) = 0 [pid 6126] close(29 [pid 5032] lstat("./88/cgroup.net", [pid 6133] read(200, [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6133] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6129] close(15 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] unlink("./88/cgroup.net" [pid 5031] rmdir("./87" [pid 6133] symlink("/dev/binderfs", "./binderfs" [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] close(25 [pid 6126] <... write resumed>) = 335 [pid 5032] <... unlink resumed>) = 0 [pid 6133] <... symlink resumed>) = 0 [pid 6129] close(16 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] exit_group(0 [pid 5032] umount2("./88/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... rmdir resumed>) = 0 [pid 6133] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... futex resumed>) = ? [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] close(26 [pid 6126] <... exit_group resumed>) = ? [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] mkdir("./88", 0777 [pid 6133] <... futex resumed>) = 0 [pid 6130] +++ exited with 0 +++ [pid 6129] close(17 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./88/cgroup.cpu", [pid 5031] <... mkdir resumed>) = 0 [pid 6133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] close(27 [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./strace-static-x86_64: Process 6134 attached [pid 6133] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6129] close(18 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] +++ exited with 0 +++ [pid 5032] unlink("./88/cgroup.cpu" [pid 6134] set_robust_list(0x55555580e6e0, 24 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 178 [pid 6134] <... set_robust_list resumed>) = 0 [pid 6133] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6129] close(19 [pid 6127] close(28 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=184, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5032] <... unlink resumed>) = 0 [pid 6134] chdir("./88" [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] <... chdir resumed>) = 0 [pid 6133] <... mprotect resumed>) = 0 [pid 6129] close(20 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./88/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] <... prctl resumed>) = 0 [pid 6133] 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 6129] close(21 [pid 6127] close(29 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6135 attached [pid 6134] setpgid(0, 0 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] set_robust_list(0x7f4e92bc39e0, 24 [pid 6134] <... setpgid resumed>) = 0 [pid 6133] <... clone resumed>, parent_tid=[173], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 173 [pid 6129] close(22 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./88/cgroup", [pid 6135] <... set_robust_list resumed>) = 0 [pid 6134] symlink("/syzcgroup/unified/syz2", "./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 6133] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6134] <... symlink resumed>) = 0 [pid 6129] close(23 [pid 6133] <... futex resumed>) = 0 [pid 6127] 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 6135] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6134] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6133] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... write resumed>) = 335 [pid 5032] unlink("./88/cgroup" [pid 6135] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... symlink resumed>) = 0 [pid 6133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6129] close(24 [pid 6127] exit_group(0 [pid 5033] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... unlink resumed>) = 0 [pid 6135] <... futex resumed>) = 0 [pid 6134] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6134] <... symlink resumed>) = 0 [pid 6133] close(3 [pid 6131] <... futex resumed>) = ? [pid 6129] close(25 [pid 6127] <... exit_group resumed>) = ? [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] getdents64(3, [pid 6134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] +++ exited with 0 +++ [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] <... openat resumed>) = 3 [pid 6129] close(26 [pid 6134] write(3, "1000", 4 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6134] <... write resumed>) = 4 [pid 6133] close(4 [pid 6129] close(27 [pid 5033] <... openat resumed>) = 3 [pid 5032] close(3 [pid 6134] close(3 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 5032] <... close resumed>) = 0 [pid 6134] <... close resumed>) = 0 [pid 6129] close(28 [pid 6127] +++ exited with 0 +++ [pid 6134] read(200, [pid 6133] close(5 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] rmdir("./88" [pid 6134] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] close(29 [pid 5033] getdents64(3, [pid 5032] <... rmdir resumed>) = 0 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=172, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6134] symlink("/dev/binderfs", "./binderfs" [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] <... symlink resumed>) = 0 [pid 6133] close(6write 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 6129] 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 /* 6 entries */, 32768) = 176 [pid 5032] mkdir("./89", 0777 [pid 5029] restart_syscall(<... resuming interrupted clone ...> [pid 6134] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] <... write resumed>) = 335 [pid 6134] <... futex resumed>) = 0 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] exit_group(0 [pid 5033] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... mkdir resumed>) = 0 [pid 5029] <... restart_syscall resumed>) = 0 [pid 6134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6133] close(7 [pid 6132] <... futex resumed>) = ? [pid 6129] <... exit_group resumed>) = ? [pid 6134] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6132] +++ exited with 0 +++ [pid 6129] +++ exited with 0 +++ [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6134] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6133] close(8 [pid 5033] lstat("./91/binderfs", [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=170, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6134] 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 5028] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6136 attached [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6137 attached [pid 6136] set_robust_list(0x7f4e92bc39e0, 24 [pid 6134] <... clone resumed>, parent_tid=[179], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 179 [pid 6133] close(9 [pid 5033] unlink("./91/binderfs" [pid 5029] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6137] set_robust_list(0x55555580e6e0, 24 [pid 6136] <... set_robust_list resumed>) = 0 [pid 6134] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 180 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... openat resumed>) = 3 [pid 6136] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6134] <... futex resumed>) = 0 [pid 5028] fstat(3, [pid 6137] <... set_robust_list resumed>) = 0 [pid 6136] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6134] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6136] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5028] getdents64(3, [pid 6136] <... futex resumed>) = 0 [pid 6134] close(3 [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6136] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6134] close(4 [pid 6133] close(10 [pid 5033] umount2("./91/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6137] chdir("./89" [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./84/binderfs", [pid 6137] <... chdir resumed>) = 0 [pid 6134] close(5 [pid 6133] close(11 [pid 5033] lstat("./91/cgroup.net", [pid 5029] <... openat resumed>) = 3 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6137] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] fstat(3, [pid 5028] unlink("./84/binderfs" [pid 6137] <... prctl resumed>) = 0 [pid 6134] close(6 [pid 6133] close(12 [pid 5033] unlink("./91/cgroup.net" [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] umount2("./84/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6137] setpgid(0, 0 [pid 6134] close(7 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6137] <... setpgid resumed>) = 0 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] close(13 [pid 5029] getdents64(3, [pid 5028] lstat("./84/cgroup.net", [pid 6137] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6134] close(8 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./91/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] unlink("./84/cgroup.net" [pid 6137] <... symlink resumed>) = 0 [pid 6134] close(9 [pid 6133] close(14 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 [pid 6137] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./91/cgroup.cpu", [pid 5028] umount2("./84/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6134] close(10 [pid 6133] close(15 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6137] <... symlink resumed>) = 0 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] lstat("./85/binderfs", [pid 5028] lstat("./84/cgroup.cpu", [pid 6137] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6134] close(11 [pid 6133] close(16 [pid 5033] unlink("./91/cgroup.cpu" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6137] <... symlink resumed>) = 0 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] unlink("./84/cgroup.cpu" [pid 6137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6134] close(12 [pid 6133] close(17 [pid 5033] <... unlink resumed>) = 0 [pid 5029] unlink("./85/binderfs" [pid 6137] <... openat resumed>) = 3 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./91/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6137] write(3, "1000", 4 [pid 6134] close(13 [pid 6133] close(18 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./85/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6137] <... write resumed>) = 4 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] umount2("./84/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6137] close(3 [pid 6134] close(14 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./91/cgroup", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6137] <... close resumed>) = 0 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] close(19 [pid 5028] lstat("./84/cgroup", [pid 6137] read(200, [pid 6134] close(15 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] lstat("./85/cgroup.net", [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] unlink("./84/cgroup" [pid 6137] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6134] close(16 [pid 6133] close(20 [pid 5033] unlink("./91/cgroup" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6137] symlink("/dev/binderfs", "./binderfs" [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5029] unlink("./85/cgroup.net" [pid 5028] getdents64(3, [pid 6137] <... symlink resumed>) = 0 [pid 6134] close(17 [pid 6133] close(21 [pid 5033] getdents64(3, [pid 5029] <... unlink resumed>) = 0 [pid 6137] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] umount2("./85/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6137] <... futex resumed>) = 0 [pid 6134] close(18 [pid 6133] close(22 [pid 5033] close(3 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6137] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = 0 [pid 5029] lstat("./85/cgroup.cpu", [pid 5028] close(3 [pid 6137] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6134] close(19 [pid 6133] close(23 [pid 5033] rmdir("./91" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... close resumed>) = 0 [pid 6137] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... rmdir resumed>) = 0 [pid 5029] unlink("./85/cgroup.cpu" [pid 6137] <... mprotect resumed>) = 0 [pid 6134] close(20 [pid 6133] close(24 [pid 5033] mkdir("./92", 0777 [pid 5029] <... unlink resumed>) = 0 [pid 5028] rmdir("./84" [pid 6137] 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 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... mkdir resumed>) = 0 [pid 5029] umount2("./85/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6138 attached [pid 6134] close(21 [pid 6133] close(25 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6139 attached [pid 6138] set_robust_list(0x7f4e92bc39e0, 24 [pid 6137] <... clone resumed>, parent_tid=[181], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 181 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] lstat("./85/cgroup", [pid 5028] mkdir("./85", 0777 [pid 6139] set_robust_list(0x55555580e6e0, 24 [pid 6138] <... set_robust_list resumed>) = 0 [pid 6137] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] close(22 [pid 6133] close(26 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 186 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... mkdir resumed>) = 0 [pid 6139] <... set_robust_list resumed>) = 0 [pid 6138] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6137] <... futex resumed>) = 0 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] unlink("./85/cgroup" [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6139] chdir("./92" [pid 6138] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6137] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6134] close(23 [pid 6133] close(27 [pid 5029] <... unlink resumed>) = 0 [pid 6138] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] getdents64(3, [pid 6139] <... chdir resumed>) = 0 [pid 6138] <... futex resumed>) = 0 [pid 6137] close(3 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] close(28 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6138] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(24 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] close(3 [pid 6139] <... prctl resumed>) = 0 [pid 6137] close(4 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] close(29 [pid 5029] <... close resumed>) = 0 [pid 6139] setpgid(0, 0 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(25 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] rmdir("./85"./strace-static-x86_64: Process 6140 attached [pid 6139] <... setpgid resumed>) = 0 [pid 6137] close(5 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] 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 5029] <... rmdir resumed>) = 0 [pid 6140] set_robust_list(0x55555580e6e0, 24 [pid 6139] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(26 [pid 6133] <... write resumed>) = 335 [pid 5029] mkdir("./86", 0777 [pid 6140] <... set_robust_list resumed>) = 0 [pid 6139] <... symlink resumed>) = 0 [pid 6137] close(6 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] exit_group(0 [pid 5029] <... mkdir resumed>) = 0 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 172 [pid 6140] chdir("./85" [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] <... futex resumed>) = ? [pid 6133] <... exit_group resumed>) = ? [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6140] <... chdir resumed>) = 0 [pid 6139] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6137] close(7 [pid 6135] +++ exited with 0 +++ [pid 6134] close(27./strace-static-x86_64: Process 6141 attached [pid 6140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6139] <... symlink resumed>) = 0 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] +++ exited with 0 +++ [pid 6141] set_robust_list(0x55555580e6e0, 24 [pid 6140] <... prctl resumed>) = 0 [pid 6139] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6137] close(8 [pid 6134] close(28 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=172, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 174 [pid 6141] <... set_robust_list resumed>) = 0 [pid 6140] setpgid(0, 0 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] chdir("./86" [pid 6140] <... setpgid resumed>) = 0 [pid 6139] <... symlink resumed>) = 0 [pid 6137] close(9 [pid 6134] close(29 [pid 6141] <... chdir resumed>) = 0 [pid 6140] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6140] <... symlink resumed>) = 0 [pid 6137] close(10 [pid 6141] <... prctl 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 6139] <... openat resumed>) = 3 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5030] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6140] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6141] setpgid(0, 0 [pid 6139] write(3, "1000", 4 [pid 6137] close(11 [pid 6134] <... write resumed>) = 335 [pid 6141] <... setpgid resumed>) = 0 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] exit_group(0 [pid 6139] <... write resumed>) = 4 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6141] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6140] <... symlink resumed>) = 0 [pid 6137] close(12 [pid 6141] <... symlink resumed>) = 0 [pid 6140] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6139] close(3 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] <... futex resumed>) = ? [pid 6134] <... exit_group resumed>) = ? [pid 5030] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6141] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6140] <... symlink resumed>) = 0 [pid 6139] <... close resumed>) = 0 [pid 6137] close(13 [pid 6136] +++ exited with 0 +++ [pid 6141] <... symlink resumed>) = 0 [pid 6140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6139] read(200, [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... openat resumed>) = 3 [pid 6141] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6137] close(14 [pid 6141] <... symlink resumed>) = 0 [pid 6140] <... openat resumed>) = 3 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6139] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6137] close(15 [pid 5030] fstat(3, [pid 6141] <... openat resumed>) = 3 [pid 6140] write(3, "1000", 4 [pid 6139] symlink("/dev/binderfs", "./binderfs" [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] write(3, "1000", 4 [pid 6139] <... symlink resumed>) = 0 [pid 6137] close(16 [pid 6140] <... write resumed>) = 4 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6141] <... write resumed>) = 4 [pid 6139] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] close(3 [pid 6140] close(3 [pid 6139] <... futex resumed>) = 0 [pid 6137] close(17 [pid 6134] +++ exited with 0 +++ [pid 5030] getdents64(3, [pid 6141] <... close resumed>) = 0 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=178, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6141] read(200, [pid 6137] close(18 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6141] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6140] <... close resumed>) = 0 [pid 6139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] symlink("/dev/binderfs", "./binderfs" [pid 6140] read(200, [pid 6139] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6137] close(19 [pid 5031] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6141] <... symlink resumed>) = 0 [pid 6140] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6139] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6141] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] symlink("/dev/binderfs", "./binderfs" [pid 6139] <... mprotect resumed>) = 0 [pid 6137] close(20 [pid 5031] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6141] <... futex resumed>) = 0 [pid 6140] <... symlink resumed>) = 0 [pid 6139] 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 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... openat resumed>) = 3 [pid 5030] lstat("./85/binderfs", ./strace-static-x86_64: Process 6142 attached [pid 6141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6140] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] close(21 [pid 5031] fstat(3, [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6142] set_robust_list(0x7f4e92bc39e0, 24 [pid 6141] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6142] <... set_robust_list resumed>) = 0 [pid 6141] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6140] <... futex resumed>) = 0 [pid 6139] <... clone resumed>, parent_tid=[187], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 187 [pid 6137] close(22 [pid 5031] getdents64(3, [pid 5030] unlink("./85/binderfs" [pid 6142] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6141] <... mprotect resumed>) = 0 [pid 6140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6139] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6141] 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 6137] close(23 [pid 5031] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6143 attached [pid 6142] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6140] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6139] <... futex resumed>) = 0 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] umount2("./85/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6143] set_robust_list(0x7f4e92bc39e0, 24 [pid 6142] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6141] <... clone resumed>, parent_tid=[175], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 175 [pid 6140] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6139] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6137] close(24 [pid 5031] lstat("./88/binderfs", [pid 6143] <... set_robust_list resumed>) = 0 [pid 6142] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] <... mprotect resumed>) = 0 [pid 6139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6143] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6142] <... futex resumed>) = 0 [pid 6141] <... futex resumed>) = 0 [pid 6140] 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 6139] close(3 [pid 6137] close(25 [pid 5031] unlink("./88/binderfs"./strace-static-x86_64: Process 6144 attached [pid 6143] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6142] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6141] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5030] lstat("./85/cgroup.net", [pid 6144] set_robust_list(0x7f4e92bc39e0, 24 [pid 6143] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6140] <... clone resumed>, parent_tid=[173], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 173 [pid 6139] close(4 [pid 6137] close(26 [pid 5031] umount2("./88/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6144] <... set_robust_list resumed>) = 0 [pid 6143] <... futex resumed>) = 0 [pid 6141] close(3 [pid 6140] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6144] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6143] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] <... futex resumed>) = 0 [pid 6139] close(5 [pid 6137] close(27 [pid 5031] lstat("./88/cgroup.net", [pid 6144] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6141] close(4 [pid 6140] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] unlink("./85/cgroup.net" [pid 6144] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(28 [pid 5031] unlink("./88/cgroup.net" [pid 6144] <... futex resumed>) = 0 [pid 6141] close(5 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 6144] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6141] <... 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 6140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6139] close(6 [pid 6137] close(29 [pid 5031] umount2("./88/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6141] close(6 [pid 6140] close(3 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... unlink resumed>) = 0 [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] lstat("./88/cgroup.cpu", [pid 6141] close(7 [pid 6139] close(7 [pid 6137] <... write resumed>) = 335 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] umount2("./85/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] exit_group(0 [pid 5031] unlink("./88/cgroup.cpu" [pid 6141] close(8 [pid 6138] <... futex resumed>) = ? [pid 6137] <... exit_group resumed>) = ? [pid 5031] <... unlink resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] close(4 [pid 6139] close(8 [pid 6138] +++ exited with 0 +++ [pid 6137] +++ exited with 0 +++ [pid 5031] umount2("./88/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6141] close(9 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] lstat("./85/cgroup.cpu", [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] close(5 [pid 6139] close(9 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=180, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5031] lstat("./88/cgroup", [pid 6141] close(10 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] close(6 [pid 6139] close(10 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] unlink("./88/cgroup" [pid 6141] close(11 [pid 5032] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] <... unlink resumed>) = 0 [pid 5030] unlink("./85/cgroup.cpu" [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... openat resumed>) = 3 [pid 5031] getdents64(3, [pid 5030] <... unlink resumed>) = 0 [pid 6141] close(12 [pid 6140] close(7 [pid 6139] close(11 [pid 5032] fstat(3, [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] umount2("./85/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] close(3 [pid 6141] close(13 [pid 6140] close(8 [pid 6139] close(12 [pid 5032] getdents64(3, [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] <... close resumed>) = 0 [pid 6141] close(14 [pid 6140] close(9 [pid 6139] close(13 [pid 5032] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] lstat("./85/cgroup", [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] rmdir("./88" [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6141] close(15 [pid 6140] close(10 [pid 6139] close(14 [pid 5032] lstat("./89/binderfs", [pid 5030] unlink("./85/cgroup" [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... rmdir resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 6140] close(11 [pid 6139] close(15 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] getdents64(3, [pid 6141] close(16 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] mkdir("./89", 0777 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] close(12 [pid 6139] close(16 [pid 5032] unlink("./89/binderfs" [pid 5030] close(3 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = 0 [pid 6141] close(17 [pid 6140] close(13 [pid 6139] close(17 [pid 5031] <... mkdir resumed>) = 0 [pid 5030] rmdir("./85" [pid 5032] <... unlink resumed>) = 0 [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] <... rmdir resumed>) = 0 [pid 6141] close(18 [pid 6140] close(14 [pid 6139] close(18 [pid 5032] umount2("./89/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] mkdir("./86", 0777./strace-static-x86_64: Process 6145 attached [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... mkdir resumed>) = 0 [pid 6145] set_robust_list(0x55555580e6e0, 24 [pid 6140] close(15 [pid 6139] close(19 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6146 attached [pid 6145] <... set_robust_list resumed>) = 0 [pid 6141] close(19 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./89/cgroup.net", [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 180 [pid 6146] set_robust_list(0x55555580e6e0, 24 [pid 6145] chdir("./89" [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] close(16 [pid 6139] close(20 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6146] <... set_robust_list resumed>) = 0 [pid 6145] <... chdir resumed>) = 0 [pid 6141] close(20 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./89/cgroup.net" [pid 6146] chdir("./86" [pid 6145] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] close(17 [pid 6139] close(21 [pid 5032] <... unlink resumed>) = 0 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 174 [pid 6146] <... chdir resumed>) = 0 [pid 6145] <... prctl resumed>) = 0 [pid 6141] close(21 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./89/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6145] setpgid(0, 0 [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] close(18 [pid 6139] close(22 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6146] <... prctl resumed>) = 0 [pid 6145] <... setpgid resumed>) = 0 [pid 6141] close(22 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./89/cgroup.cpu", [pid 6146] setpgid(0, 0 [pid 6145] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] close(19 [pid 6139] close(23 [pid 6146] <... setpgid resumed>) = 0 [pid 6145] <... symlink resumed>) = 0 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6146] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6145] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6141] close(23 [pid 6140] close(20 [pid 6139] close(24 [pid 5032] unlink("./89/cgroup.cpu" [pid 6146] <... symlink resumed>) = 0 [pid 6145] <... symlink resumed>) = 0 [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6145] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6141] close(24 [pid 6140] close(21 [pid 6139] close(25 [pid 5032] <... unlink resumed>) = 0 [pid 6146] <... symlink resumed>) = 0 [pid 6145] <... symlink resumed>) = 0 [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6141] close(25 [pid 6140] close(22 [pid 6139] close(26 [pid 5032] umount2("./89/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6146] <... symlink resumed>) = 0 [pid 6145] <... openat resumed>) = 3 [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6145] write(3, "1000", 4 [pid 6141] close(26 [pid 6140] close(23 [pid 6139] close(27 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6146] <... openat resumed>) = 3 [pid 6145] <... write resumed>) = 4 [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./89/cgroup", [pid 6145] close(3 [pid 6140] close(24 [pid 6139] close(28 [pid 6146] write(3, "1000", 4 [pid 6145] <... close resumed>) = 0 [pid 6141] close(27 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] <... write resumed>) = 4 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6146] close(3 [pid 6145] read(200, [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] close(25 [pid 6139] close(29 [pid 5032] unlink("./89/cgroup" [pid 6146] <... close resumed>) = 0 [pid 6145] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6141] close(28 [pid 6140] <... 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 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] read(200, [pid 6145] symlink("/dev/binderfs", "./binderfs" [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] close(26 [pid 6139] 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 6146] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6145] <... symlink resumed>) = 0 [pid 6141] close(29 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... write resumed>) = 335 [pid 5032] getdents64(3, [pid 6146] symlink("/dev/binderfs", "./binderfs" [pid 6145] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] close(27 [pid 6139] exit_group(0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6145] <... futex resumed>) = 0 [pid 6142] <... futex resumed>) = ? [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... exit_group resumed>) = ? [pid 6146] <... 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 6145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6142] +++ exited with 0 +++ [pid 6141] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6140] close(28 [pid 6139] +++ exited with 0 +++ [pid 5032] close(3 [pid 6146] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6141] <... write resumed>) = 335 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5032] <... close resumed>) = 0 [pid 6146] <... futex resumed>) = 0 [pid 6145] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6141] exit_group(0 [pid 6140] close(29 [pid 6146] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6145] <... mprotect resumed>) = 0 [pid 6143] <... futex resumed>) = ? [pid 6141] <... exit_group resumed>) = ? [pid 6140] <... 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] rmdir("./89" [pid 6146] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6145] 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 6143] +++ exited with 0 +++ [pid 6140] 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 6147 attached [pid 6146] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6141] +++ exited with 0 +++ [pid 6140] <... write resumed>) = 335 [pid 5032] <... rmdir resumed>) = 0 [pid 6147] set_robust_list(0x7f4e92bc39e0, 24 [pid 6146] <... mprotect resumed>) = 0 [pid 6145] <... clone resumed>, parent_tid=[181], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 181 [pid 6140] exit_group(0 [pid 5033] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] mkdir("./90", 0777 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=174, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6147] <... set_robust_list resumed>) = 0 [pid 6146] 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 6145] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] <... futex resumed>) = ? [pid 6140] <... exit_group resumed>) = ? [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6148 attached [pid 6147] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5033] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6149 attached [pid 6148] set_robust_list(0x7f4e92bc39e0, 24 [pid 6147] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6146] <... clone resumed>, parent_tid=[175], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 175 [pid 6145] <... futex resumed>) = 0 [pid 5033] <... openat resumed>) = 3 [pid 5029] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6149] set_robust_list(0x55555580e6e0, 24 [pid 6148] <... set_robust_list resumed>) = 0 [pid 6147] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5033] fstat(3, [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 182 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6149] <... set_robust_list resumed>) = 0 [pid 6148] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6147] <... futex resumed>) = 0 [pid 6146] <... futex resumed>) = 0 [pid 6145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6149] chdir("./90" [pid 6148] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6147] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6146] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6145] close(3 [pid 5033] getdents64(3, [pid 5029] <... openat resumed>) = 3 [pid 6149] <... chdir resumed>) = 0 [pid 6148] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] fstat(3, [pid 6149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6148] <... futex resumed>) = 1 [pid 6146] <... futex resumed>) = 0 [pid 6145] close(4 [pid 5033] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6149] <... prctl resumed>) = 0 [pid 6148] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6146] close(3 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] getdents64(3, [pid 6149] setpgid(0, 0 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] close(5 [pid 6144] +++ exited with 0 +++ [pid 6140] +++ exited with 0 +++ [pid 5033] lstat("./92/binderfs", [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6149] <... setpgid resumed>) = 0 [pid 6146] close(4 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6149] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] close(6 [pid 5033] unlink("./92/binderfs" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=172, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6149] <... symlink resumed>) = 0 [pid 6146] close(5 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5029] lstat("./86/binderfs", [pid 5028] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6149] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] close(7 [pid 5033] umount2("./92/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 6149] <... symlink resumed>) = 0 [pid 6146] close(6 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./86/binderfs" [pid 5028] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6149] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./92/cgroup.net", [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... openat resumed>) = 3 [pid 6149] <... symlink resumed>) = 0 [pid 6146] close(7 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] umount2("./86/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] fstat(3, [pid 6149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] close(8 [pid 5033] unlink("./92/cgroup.net" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6149] <... openat resumed>) = 3 [pid 6146] close(8 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5029] lstat("./86/cgroup.net", [pid 5028] getdents64(3, [pid 6149] write(3, "1000", 4 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] close(9 [pid 5033] umount2("./92/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6149] <... write resumed>) = 4 [pid 6146] close(9 [pid 6145] close(10 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./86/cgroup.net" [pid 5028] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6149] close(3 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./92/cgroup.cpu", [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6149] <... close resumed>) = 0 [pid 6146] close(10 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] umount2("./86/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] lstat("./85/binderfs", [pid 6149] read(200, [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] close(11 [pid 5033] unlink("./92/cgroup.cpu" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6149] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6146] close(11 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5029] lstat("./86/cgroup.cpu", [pid 5028] unlink("./85/binderfs" [pid 6149] symlink("/dev/binderfs", "./binderfs" [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] close(12 [pid 5033] umount2("./92/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6149] <... symlink resumed>) = 0 [pid 6146] close(12 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./86/cgroup.cpu" [pid 5028] umount2("./85/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6149] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./92/cgroup", [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6149] <... futex resumed>) = 0 [pid 6146] close(13 [pid 6145] close(13 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] umount2("./86/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] lstat("./85/cgroup.net", [pid 6149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./92/cgroup" [pid 6149] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6146] close(14 [pid 6145] close(14 [pid 5033] <... unlink resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6149] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] close(15 [pid 5033] getdents64(3, [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6149] <... mprotect resumed>) = 0 [pid 6145] close(16 [pid 5029] lstat("./86/cgroup", [pid 5028] unlink("./85/cgroup.net" [pid 6149] 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 6146] close(15 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] close(17 [pid 5033] close(3 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6150 attached [pid 6146] close(16 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = 0 [pid 5029] unlink("./86/cgroup" [pid 6150] set_robust_list(0x7f4e92bc39e0, 24 [pid 6149] <... clone resumed>, parent_tid=[183], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 183 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] close(18 [pid 5033] rmdir("./92" [pid 5029] <... unlink resumed>) = 0 [pid 5028] umount2("./85/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6150] <... set_robust_list resumed>) = 0 [pid 6149] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6146] close(17 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6149] <... futex resumed>) = 0 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] close(19 [pid 5033] <... rmdir resumed>) = 0 [pid 5029] getdents64(3, [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6150] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] close(20 [pid 6150] <... futex resumed>) = 0 [pid 6149] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6146] close(18 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./93", 0777 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] lstat("./85/cgroup.cpu", [pid 6150] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] close(21) = -1 EBADF (Bad file descriptor) [pid 5033] <... mkdir resumed>) = 0 [pid 6146] close(19 [pid 5029] close(3 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6149] close(3 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] close(22 [pid 5029] <... close resumed>) = 0 [pid 5028] unlink("./85/cgroup.cpu" [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] close(20 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] rmdir("./86" [pid 5028] <... unlink resumed>) = 0 [pid 6149] close(4 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] close(23 [pid 5029] <... rmdir resumed>) = 0 [pid 5028] umount2("./85/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6151 attached [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] close(21 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] mkdir("./87", 0777 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6151] set_robust_list(0x55555580e6e0, 24 [pid 6149] close(5 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] close(24 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 188 [pid 5029] <... mkdir resumed>) = 0 [pid 5028] lstat("./85/cgroup", [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] close(22 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 6152 attached [pid 6151] <... set_robust_list resumed>) = 0 [pid 6149] close(6 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] unlink("./85/cgroup" [pid 6152] set_robust_list(0x55555580e6e0, 24 [pid 6151] chdir("./93" [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] close(23 [pid 6145] close(25 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 176 [pid 5028] <... unlink resumed>) = 0 [pid 6152] <... set_robust_list resumed>) = 0 [pid 6151] <... chdir resumed>) = 0 [pid 6149] close(7 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] getdents64(3, [pid 6152] chdir("./87" [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] close(24 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6152] <... chdir resumed>) = 0 [pid 6151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6149] close(8 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] close(26 [pid 5028] close(3 [pid 6152] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6151] <... prctl resumed>) = 0 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] close(25 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... close resumed>) = 0 [pid 6152] <... prctl resumed>) = 0 [pid 6151] setpgid(0, 0 [pid 6149] close(9 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] close(27 [pid 5028] rmdir("./85" [pid 6152] setpgid(0, 0 [pid 6151] <... setpgid resumed>) = 0 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] close(26 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... rmdir resumed>) = 0 [pid 6152] <... setpgid resumed>) = 0 [pid 6151] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6149] close(10 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] close(28 [pid 5028] mkdir("./86", 0777 [pid 6152] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6151] <... symlink resumed>) = 0 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] close(27 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... mkdir resumed>) = 0 [pid 6152] <... symlink resumed>) = 0 [pid 6151] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6149] close(11 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] close(29 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6152] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6151] <... symlink resumed>) = 0 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] close(28 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6153 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 6152] <... symlink resumed>) = 0 [pid 6151] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6149] close(12 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6153] set_robust_list(0x55555580e6e0, 24 [pid 6152] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] close(29 [pid 6145] <... write resumed>) = 335 [pid 6151] <... symlink resumed>) = 0 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 174 [pid 6153] <... set_robust_list resumed>) = 0 [pid 6152] <... symlink resumed>) = 0 [pid 6149] close(13 [pid 6146] <... 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 6151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6145] exit_group(0 [pid 6153] chdir("./86" [pid 6152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6153] <... chdir resumed>) = 0 [pid 6152] <... openat resumed>) = 3 [pid 6151] <... openat resumed>) = 3 [pid 6149] close(14 [pid 6147] <... futex resumed>) = ? [pid 6146] <... write resumed>) = 335 [pid 6145] <... exit_group resumed>) = ? [pid 6153] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6152] write(3, "1000", 4 [pid 6151] write(3, "1000", 4 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6147] +++ exited with 0 +++ [pid 6146] exit_group(0 [pid 6153] <... prctl resumed>) = 0 [pid 6152] <... write resumed>) = 4 [pid 6151] <... write resumed>) = 4 [pid 6149] close(15 [pid 6148] <... futex resumed>) = ? [pid 6146] <... exit_group resumed>) = ? [pid 6153] setpgid(0, 0 [pid 6152] close(3 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] <... setpgid resumed>) = 0 [pid 6152] <... close resumed>) = 0 [pid 6149] close(16 [pid 6153] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6152] read(200, [pid 6151] close(3 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6148] +++ exited with 0 +++ [pid 6146] +++ exited with 0 +++ [pid 6153] <... symlink resumed>) = 0 [pid 6152] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6149] close(17 [pid 6153] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6152] symlink("/dev/binderfs", "./binderfs" [pid 6151] <... close resumed>) = 0 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] <... symlink resumed>) = 0 [pid 6152] <... symlink resumed>) = 0 [pid 6151] read(200, [pid 6149] close(18 [pid 6145] +++ exited with 0 +++ [pid 6153] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6152] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6153] <... symlink resumed>) = 0 [pid 6152] <... futex resumed>) = 0 [pid 6149] close(19 [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=180, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6152] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6151] symlink("/dev/binderfs", "./binderfs" [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] restart_syscall(<... resuming interrupted clone ...> [pid 6153] <... openat resumed>) = 3 [pid 6152] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6151] <... symlink resumed>) = 0 [pid 6149] close(20 [pid 5031] <... restart_syscall resumed>) = 0 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=174, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6153] write(3, "1000", 4 [pid 6152] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6151] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] <... write resumed>) = 4 [pid 6152] <... mprotect resumed>) = 0 [pid 6151] <... futex resumed>) = 0 [pid 6149] close(21 [pid 5030] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6153] close(3 [pid 6152] 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 6151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6154 attached [pid 6153] <... close resumed>) = 0 [pid 6151] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6149] close(22 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6154] set_robust_list(0x7f4e92bc39e0, 24 [pid 6153] read(200, [pid 6152] <... clone resumed>, parent_tid=[177], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 177 [pid 6151] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6154] <... set_robust_list resumed>) = 0 [pid 6153] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6152] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] <... mprotect resumed>) = 0 [pid 6149] close(23 [pid 5031] <... openat resumed>) = 3 [pid 6154] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6153] symlink("/dev/binderfs", "./binderfs" [pid 6152] <... futex resumed>) = 0 [pid 6151] 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 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] fstat(3, [pid 5030] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6155 attached [pid 6154] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6153] <... symlink resumed>) = 0 [pid 6152] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6149] close(24 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] fstat(3, [pid 6155] set_robust_list(0x7f4e92bc39e0, 24 [pid 6154] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6151] <... clone resumed>, parent_tid=[189], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 189 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] getdents64(3, [pid 6155] <... set_robust_list resumed>) = 0 [pid 6154] <... futex resumed>) = 0 [pid 6153] <... futex resumed>) = 0 [pid 6152] close(3 [pid 6151] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] close(25 [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6155] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6154] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... futex resumed>) = 0 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6155] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6153] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6152] close(4 [pid 6151] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6149] close(26 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] getdents64(3, [pid 6155] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./89/binderfs", [pid 6155] <... futex resumed>) = 0 [pid 6153] <... mprotect resumed>) = 0 [pid 6152] close(5 [pid 6151] close(3 [pid 6149] close(27 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6155] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6153] 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 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./89/binderfs"./strace-static-x86_64: Process 6156 attached [pid 6152] close(6 [pid 6151] close(4 [pid 6149] close(28 [pid 5031] <... unlink resumed>) = 0 [pid 5030] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6156] set_robust_list(0x7f4e92bc39e0, 24 [pid 6153] <... clone resumed>, parent_tid=[175], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 175 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./89/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6156] <... set_robust_list resumed>) = 0 [pid 6153] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000write 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 6152] close(7 [pid 6151] close(5 [pid 6149] close(29 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6156] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6153] <... futex resumed>) = 0 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./89/cgroup.net", [pid 5030] lstat("./86/binderfs", [pid 6156] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6153] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6152] close(8 [pid 6151] close(6 [pid 6149] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [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 6156] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6149] <... write resumed>) = 335 [pid 5031] unlink("./89/cgroup.net" [pid 6156] <... futex resumed>) = 0 [pid 6153] close(3 [pid 6152] close(9 [pid 6151] close(7 [pid 6149] exit_group(0 [pid 5031] <... unlink resumed>) = 0 [pid 5030] unlink("./86/binderfs" [pid 6156] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] <... futex resumed>) = ? [pid 6149] <... exit_group resumed>) = ? [pid 5031] umount2("./89/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6153] close(4 [pid 6152] close(10 [pid 6151] close(8 [pid 6150] +++ exited with 0 +++ [pid 6149] +++ exited with 0 +++ [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... unlink resumed>) = 0 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./89/cgroup.cpu", [pid 5030] umount2("./86/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6153] close(5 [pid 6152] close(11 [pid 6151] close(9 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=182, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] restart_syscall(<... resuming interrupted clone ...> [pid 5031] unlink("./89/cgroup.cpu" [pid 5030] lstat("./86/cgroup.net", [pid 6153] close(6 [pid 6152] close(12 [pid 6151] close(10 [pid 5032] <... restart_syscall resumed>) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./89/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6153] close(7 [pid 6152] close(13 [pid 6151] close(11 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] unlink("./86/cgroup.net" [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] lstat("./89/cgroup", [pid 6153] close(8 [pid 6152] close(14 [pid 6151] close(12 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] unlink("./89/cgroup" [pid 6153] close(9 [pid 6152] close(15 [pid 6151] close(13 [pid 5032] <... openat resumed>) = 3 [pid 5031] <... unlink resumed>) = 0 [pid 5030] umount2("./86/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] fstat(3, [pid 5031] getdents64(3, [pid 6153] close(10 [pid 6152] close(16 [pid 6151] close(14 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] getdents64(3, [pid 5031] close(3 [pid 5030] lstat("./86/cgroup.cpu", [pid 6153] close(11 [pid 6152] close(17 [pid 6151] close(15 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] <... close resumed>) = 0 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] rmdir("./89" [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6153] close(12 [pid 6152] close(18 [pid 6151] close(16 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... rmdir resumed>) = 0 [pid 5030] unlink("./86/cgroup.cpu" [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./90/binderfs", [pid 5031] mkdir("./90", 0777 [pid 6153] close(13 [pid 6152] close(19 [pid 6151] close(17 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] <... mkdir resumed>) = 0 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./90/binderfs" [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6157 attached [pid 6153] close(14 [pid 6152] close(20 [pid 6151] close(18 [pid 5032] <... unlink resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 6157] set_robust_list(0x55555580e6e0, 24 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./90/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 182 [pid 5030] umount2("./86/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6157] <... set_robust_list resumed>) = 0 [pid 6153] close(15 [pid 6152] close(21 [pid 6151] close(19 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6157] chdir("./90" [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./90/cgroup.net", [pid 5030] lstat("./86/cgroup", [pid 6157] <... chdir resumed>) = 0 [pid 6153] close(16 [pid 6152] close(22 [pid 6151] close(20 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./90/cgroup.net" [pid 5030] unlink("./86/cgroup" [pid 6157] <... prctl resumed>) = 0 [pid 6153] close(17 [pid 6152] close(23 [pid 6151] close(21 [pid 5032] <... unlink resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 6157] setpgid(0, 0 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./90/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] getdents64(3, [pid 6157] <... setpgid resumed>) = 0 [pid 6153] close(18 [pid 6152] close(24 [pid 6151] close(22 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./90/cgroup.cpu", [pid 5030] close(3 [pid 6157] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6153] close(19 [pid 6152] close(25 [pid 6151] close(23 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] <... close resumed>) = 0 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./90/cgroup.cpu" [pid 5030] rmdir("./86" [pid 6153] close(20 [pid 6152] close(26 [pid 6151] close(24 [pid 5032] <... unlink resumed>) = 0 [pid 5030] <... rmdir resumed>) = 0 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./90/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] mkdir("./87", 0777 [pid 6153] close(21 [pid 6152] close(27 [pid 6151] close(25 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... mkdir resumed>) = 0 [pid 6157] <... symlink resumed>) = 0 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./90/cgroup", [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6158 attached [pid 6157] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6153] close(22 [pid 6152] close(28 [pid 6151] close(26 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6158] set_robust_list(0x55555580e6e0, 24 [pid 6157] <... symlink resumed>) = 0 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./90/cgroup" [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 176 [pid 6158] <... set_robust_list 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 6157] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6153] close(23 [pid 6152] close(29 [pid 6151] close(27 [pid 5032] <... unlink resumed>) = 0 [pid 6158] chdir("./87" [pid 6157] <... symlink resumed>) = 0 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] getdents64(3, [pid 6158] <... chdir resumed>) = 0 [pid 6157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6153] close(24 [pid 6152] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6151] close(28 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6158] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6157] <... openat resumed>) = 3 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... write resumed>) = 335 [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] close(3 [pid 6158] <... prctl resumed>) = 0 [pid 6157] write(3, "1000", 4 [pid 6153] close(25 [pid 6152] exit_group(0 [pid 6151] close(29 [pid 5032] <... close resumed>) = 0 [pid 6158] setpgid(0, 0 [pid 6154] <... futex resumed>) = ? [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... exit_group resumed>) = ? [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] rmdir("./90" [pid 6158] <... setpgid resumed>) = 0 [pid 6157] <... write resumed>) = 4 [pid 6154] +++ exited with 0 +++ [pid 6157] close(3 [pid 6153] close(26 [pid 6151] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] <... rmdir resumed>) = 0 [pid 6158] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6157] <... 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 6157] read(200, 0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6157] symlink("/dev/binderfs", "./binderfs" [pid 6158] <... symlink resumed>) = 0 [pid 6157] <... symlink resumed>) = 0 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... write resumed>) = 335 [pid 5032] mkdir("./91", 0777 [pid 6157] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4e92ba3000 [pid 6157] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6153] close(27 [pid 6157] <... mprotect resumed>) = 0 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] exit_group(0 [pid 5032] <... mkdir resumed>) = 0 [pid 6158] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6157] 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 6155] <... futex resumed>) = ? [pid 6153] close(28 [pid 6152] +++ exited with 0 +++ [pid 6151] <... exit_group resumed>) = ? [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6159 attached [pid 6158] <... symlink resumed>) = 0 [pid 6157] <... clone resumed>, parent_tid=[183], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 183 [pid 6155] +++ exited with 0 +++ [pid 6157] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6157] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6151] +++ exited with 0 +++ [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] set_robust_list(0x7f4e92bc39e0, 24) = 0 [pid 6158] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6159] socketpair(AF_UNIX, SOCK_STREAM, 0, NULL) = -1 EFAULT (Bad address) [pid 6158] <... symlink resumed>) = 0 [pid 6153] close(29 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=176, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- ./strace-static-x86_64: Process 6160 attached [pid 6159] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=188, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5029] restart_syscall(<... resuming interrupted clone ...> [pid 6160] set_robust_list(0x55555580e6e0, 24 [pid 6159] <... futex resumed>) = 1 [pid 6158] <... openat resumed>) = 3 [pid 6157] <... futex 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 6153] 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) = 184 [pid 5029] <... restart_syscall resumed>) = 0 [pid 6160] <... set_robust_list resumed>) = 0 [pid 6159] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6158] write(3, "1000", 4 [pid 6157] close(3 [pid 6153] <... write resumed>) = 335 [pid 6160] chdir("./91" [pid 6158] <... write resumed>) = 4 [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] exit_group(0 [pid 6160] <... chdir resumed>) = 0 [pid 6158] close(3 [pid 6157] close(4 [pid 6156] <... futex resumed>) = ? [pid 6153] <... exit_group resumed>) = ? [pid 6160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6158] <... close resumed>) = 0 [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6156] +++ exited with 0 +++ [pid 5033] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6160] <... prctl resumed>) = 0 [pid 6158] read(200, [pid 6157] close(5 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6160] setpgid(0, 0 [pid 6158] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] +++ exited with 0 +++ [pid 5033] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6160] <... setpgid resumed>) = 0 [pid 6158] symlink("/dev/binderfs", "./binderfs" [pid 6157] close(6 [pid 5033] <... openat resumed>) = 3 [pid 5029] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6160] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6158] <... symlink resumed>) = 0 [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 5029] <... openat resumed>) = 3 [pid 6160] <... symlink resumed>) = 0 [pid 6158] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] close(7 [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=174, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6160] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6158] <... futex resumed>) = 0 [pid 6157] close(8 [pid 5033] getdents64(3, [pid 5029] fstat(3, [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6160] <... symlink resumed>) = 0 [pid 6158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6157] close(9 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] <... openat resumed>) = 3 [pid 6160] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6158] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] fstat(3, [pid 6160] <... symlink resumed>) = 0 [pid 6158] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6157] close(10 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] getdents64(3, [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6158] <... mprotect resumed>) = 0 [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./93/binderfs", [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] getdents64(3, [pid 6160] <... openat resumed>) = 3 [pid 6157] close(11 [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6158] 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 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6161 attached [pid 6160] write(3, "1000", 4 [pid 6157] close(12 [pid 5033] unlink("./93/binderfs" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6161] set_robust_list(0x7f4e92bc39e0, 24 [pid 6160] <... write resumed>) = 4 [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] lstat("./87/binderfs", [pid 5028] lstat("./86/binderfs", [pid 6161] <... set_robust_list resumed>) = 0 [pid 6160] close(3 [pid 6158] <... clone resumed>, parent_tid=[177], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 177 [pid 6157] close(13 [pid 5033] <... unlink resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6161] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6160] <... close resumed>) = 0 [pid 6158] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] unlink("./86/binderfs" [pid 6161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6160] read(200, [pid 6158] <... futex resumed>) = 0 [pid 6157] close(14 [pid 5033] umount2("./93/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 [pid 6161] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6160] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] unlink("./87/binderfs" [pid 5028] umount2("./86/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6161] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6158] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6157] close(15 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6161] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] symlink("/dev/binderfs", "./binderfs" [pid 6158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./93/cgroup.net", [pid 5029] <... unlink resumed>) = 0 [pid 5028] lstat("./86/cgroup.net", [pid 6161] <... futex resumed>) = 0 [pid 6157] close(16 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6161] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6160] <... symlink resumed>) = 0 [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6158] close(3 [pid 5029] umount2("./87/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./86/cgroup.net" [pid 6160] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] close(17 [pid 5028] <... unlink resumed>) = 0 [pid 6160] <... futex resumed>) = 0 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./93/cgroup.net" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./86/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6157] close(18 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5029] lstat("./87/cgroup.net", [pid 5028] lstat("./86/cgroup.cpu", [pid 6160] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6158] close(4 [pid 6157] close(19 [pid 5033] umount2("./93/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [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 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] unlink("./86/cgroup.cpu" [pid 6160] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6157] close(20 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./87/cgroup.net" [pid 5028] <... unlink resumed>) = 0 [pid 6160] <... mprotect resumed>) = 0 [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./93/cgroup.cpu", [pid 5028] umount2("./86/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6160] 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 6158] close(5 [pid 6157] close(21 [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] lstat("./86/cgroup", ./strace-static-x86_64: Process 6162 attached [pid 6158] close(6 [pid 6157] close(22 [pid 5029] umount2("./87/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6162] set_robust_list(0x7f4e92bc39e0, 24 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./93/cgroup.cpu" [pid 6160] <... clone resumed>, parent_tid=[185], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 185 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./86/cgroup" [pid 6162] <... set_robust_list resumed>) = 0 [pid 6160] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] close(7 [pid 6157] close(23 [pid 5033] <... unlink resumed>) = 0 [pid 5029] lstat("./87/cgroup.cpu", [pid 5028] <... unlink resumed>) = 0 [pid 6162] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6160] <... futex resumed>) = 0 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./93/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] getdents64(3, [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6162] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6160] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6157] close(24 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6162] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] close(8 [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./87/cgroup.cpu" [pid 5028] close(3 [pid 6162] <... futex resumed>) = 0 [pid 6157] close(25 [pid 5028] <... close resumed>) = 0 [pid 6162] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] rmdir("./86" [pid 6157] close(26 [pid 5028] <... rmdir resumed>) = 0 [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./93/cgroup", [pid 5029] <... unlink resumed>) = 0 [pid 5028] mkdir("./87", 0777 [pid 6160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6157] close(27 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] umount2("./87/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... mkdir resumed>) = 0 [pid 6160] close(3 [pid 6158] close(9 [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6157] close(28 [pid 5033] unlink("./93/cgroup" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6163 attached [pid 6160] close(4 [pid 6158] close(10 [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5029] lstat("./87/cgroup", [pid 6163] set_robust_list(0x55555580e6e0, 24 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6157] close(29 [pid 5033] getdents64(3, [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6163] <... set_robust_list resumed>) = 0 [pid 6160] close(5 [pid 6158] close(11 [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] unlink("./87/cgroup" [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 176 [pid 6163] chdir("./87" [pid 6160] <... 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 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6157] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] close(3 [pid 6163] <... chdir resumed>) = 0 [pid 6160] close(6 [pid 6158] close(12 [pid 6157] <... write resumed>) = 335 [pid 5033] <... close resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 6163] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6157] exit_group(0 [pid 6163] <... prctl resumed>) = 0 [pid 6160] close(7 [pid 6159] <... futex resumed>) = ? [pid 6158] close(13 [pid 6157] <... exit_group resumed>) = ? [pid 5033] rmdir("./93" [pid 5029] getdents64(3, [pid 6163] setpgid(0, 0 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] <... setpgid resumed>) = 0 [pid 6163] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6160] close(8 [pid 6159] +++ exited with 0 +++ [pid 6158] close(14 [pid 6157] +++ exited with 0 +++ [pid 5033] <... rmdir resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6163] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./94", 0777 [pid 5029] close(3 [pid 6163] <... symlink resumed>) = 0 [pid 6160] close(9 [pid 6158] close(15 [pid 5033] <... mkdir resumed>) = 0 [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=182, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5029] <... close resumed>) = 0 [pid 6163] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] restart_syscall(<... resuming interrupted clone ...> [pid 5029] rmdir("./87" [pid 6163] <... symlink resumed>) = 0 [pid 6160] close(10 [pid 6158] close(16./strace-static-x86_64: Process 6164 attached [pid 6163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 190 [pid 5031] <... restart_syscall resumed>) = 0 [pid 5029] <... rmdir resumed>) = 0 [pid 6164] set_robust_list(0x55555580e6e0, 24 [pid 6163] <... openat resumed>) = 3 [pid 6160] close(11 [pid 6158] close(17 [pid 5029] mkdir("./88", 0777 [pid 6164] <... set_robust_list resumed>) = 0 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... mkdir resumed>) = 0 [pid 6164] chdir("./94" [pid 6163] write(3, "1000", 4 [pid 6160] close(12 [pid 6158] close(18 [pid 5031] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6164] <... chdir resumed>) = 0 [pid 6163] <... write resumed>) = 4 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6165 attached [pid 6164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6160] close(13 [pid 6158] close(19 [pid 6163] close(3 [pid 5031] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6165] set_robust_list(0x55555580e6e0, 24 [pid 6164] <... prctl resumed>) = 0 [pid 6163] <... close resumed>) = 0 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... openat resumed>) = 3 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 178 [pid 6165] <... set_robust_list resumed>) = 0 [pid 6164] setpgid(0, 0 [pid 6163] read(200, [pid 6160] close(14 [pid 6158] close(20 [pid 5031] fstat(3, [pid 6165] chdir("./88" [pid 6164] <... setpgid resumed>) = 0 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6165] <... chdir resumed>) = 0 [pid 6164] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6163] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6160] close(15 [pid 6158] close(21 [pid 5031] getdents64(3, [pid 6165] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6164] <... symlink resumed>) = 0 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6165] <... prctl resumed>) = 0 [pid 6164] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6163] symlink("/dev/binderfs", "./binderfs" [pid 6160] close(16 [pid 6158] close(22 [pid 5031] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6165] setpgid(0, 0 [pid 6164] <... symlink resumed>) = 0 [pid 6163] <... symlink resumed>) = 0 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6165] <... setpgid resumed>) = 0 [pid 6164] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6163] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] close(17 [pid 6158] close(23 [pid 5031] lstat("./90/binderfs", [pid 6165] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6164] <... symlink resumed>) = 0 [pid 6163] <... futex resumed>) = 0 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6165] <... symlink resumed>) = 0 [pid 6164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6163] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6160] close(18 [pid 6158] close(24 [pid 5031] unlink("./90/binderfs" [pid 6165] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6164] <... openat resumed>) = 3 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 6165] <... symlink resumed>) = 0 [pid 6164] write(3, "1000", 4 [pid 6163] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6160] close(19 [pid 6158] close(25 [pid 5031] umount2("./90/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6165] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6164] <... write resumed>) = 4 [pid 6163] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6165] <... symlink resumed>) = 0 [pid 6164] close(3 [pid 6160] close(20 [pid 6158] close(26 [pid 5031] lstat("./90/cgroup.net", [pid 6163] <... mprotect resumed>) = 0 [pid 6165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6164] <... close resumed>) = 0 [pid 6163] 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 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6166 attached [pid 6165] <... openat resumed>) = 3 [pid 6164] read(200, [pid 6160] close(21 [pid 6158] close(27 [pid 5031] unlink("./90/cgroup.net" [pid 6166] set_robust_list(0x7f4e92bc39e0, 24 [pid 6165] write(3, "1000", 4 [pid 6164] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6163] <... clone resumed>, parent_tid=[177], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 177 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 6166] <... set_robust_list resumed>) = 0 [pid 6165] <... write resumed>) = 4 [pid 6164] symlink("/dev/binderfs", "./binderfs" [pid 6160] close(22 [pid 6158] close(28 [pid 5031] umount2("./90/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6166] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6165] close(3 [pid 6164] <... symlink resumed>) = 0 [pid 6163] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6165] <... close resumed>) = 0 [pid 6164] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] <... futex resumed>) = 0 [pid 6160] close(23 [pid 6158] close(29 [pid 5031] lstat("./90/cgroup.cpu", [pid 6166] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6165] read(200, [pid 6164] <... futex resumed>) = 0 [pid 6163] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6166] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6165] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6164] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6160] close(24 [pid 5031] unlink("./90/cgroup.cpu" [pid 6166] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] 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 6164] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] 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 6166] <... futex resumed>) = 0 [pid 6165] <... symlink resumed>) = 0 [pid 6164] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6163] close(3 [pid 6160] close(25 [pid 6158] <... write resumed>) = 335 [pid 5031] umount2("./90/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6166] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6165] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] <... mprotect resumed>) = 0 [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] exit_group(0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6165] <... futex resumed>) = 0 [pid 6164] 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 6163] close(4 [pid 6161] <... futex resumed>) = ? [pid 6160] close(26 [pid 6158] <... exit_group resumed>) = ? [pid 5031] lstat("./90/cgroup", ./strace-static-x86_64: Process 6167 attached [pid 6165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6161] +++ exited with 0 +++ [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6167] set_robust_list(0x7f4e92bc39e0, 24 [pid 6165] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6164] <... clone resumed>, parent_tid=[191], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 191 [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(27 [pid 5031] unlink("./90/cgroup" [pid 6167] <... set_robust_list resumed>) = 0 [pid 6165] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6164] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] close(5 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 6167] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6165] <... mprotect resumed>) = 0 [pid 6164] <... futex resumed>) = 0 [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(28 [pid 5031] getdents64(3, [pid 6167] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6165] 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 6164] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6163] close(6 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] +++ exited with 0 +++ [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6168 attached [pid 6167] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(29 [pid 5031] close(3 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=176, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6168] set_robust_list(0x7f4e92bc39e0, 24 [pid 6167] <... futex resumed>) = 0 [pid 6165] <... clone resumed>, parent_tid=[179], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 179 [pid 6164] close(3 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... close resumed>) = 0 [pid 6168] <... set_robust_list resumed>) = 0 [pid 6167] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULLwrite 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 6165] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] close(7 [pid 6160] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] rmdir("./90" [pid 6168] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6165] <... futex resumed>) = 0 [pid 6164] close(4 [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... write resumed>) = 335 [pid 5031] <... rmdir resumed>) = 0 [pid 6168] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6165] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] close(8 [pid 6160] exit_group(0 [pid 5031] mkdir("./91", 0777 [pid 6168] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6164] close(5 [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] <... futex resumed>) = ? [pid 6160] <... exit_group resumed>) = ? [pid 5031] <... mkdir resumed>) = 0 [pid 6168] <... futex resumed>) = 0 [pid 6165] close(3 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] close(9 [pid 6162] +++ exited with 0 +++ [pid 6168] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(6 [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] +++ exited with 0 +++ [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6165] close(4 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] close(10./strace-static-x86_64: Process 6169 attached [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(7 [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6169] set_robust_list(0x55555580e6e0, 24 [pid 6165] close(5 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] close(11 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=184, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 184 [pid 5030] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6169] <... set_robust_list resumed>) = 0 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(8 [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] restart_syscall(<... resuming interrupted clone ...> [pid 5030] <... openat resumed>) = 3 [pid 6169] chdir("./91" [pid 6165] close(6 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... restart_syscall resumed>) = 0 [pid 5030] fstat(3, [pid 6169] <... chdir resumed>) = 0 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(9 [pid 6163] close(12 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6169] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6165] close(7 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] getdents64(3, [pid 6169] <... prctl resumed>) = 0 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(10 [pid 6163] close(13 [pid 5032] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6169] setpgid(0, 0 [pid 6165] close(8 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6169] <... setpgid resumed>) = 0 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(11 [pid 6163] close(14 [pid 5032] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6169] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6165] close(9 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... openat resumed>) = 3 [pid 5030] lstat("./87/binderfs", [pid 6169] <... symlink resumed>) = 0 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(12 [pid 5032] fstat(3, [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6169] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6165] close(10 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] close(15 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] unlink("./87/binderfs" [pid 6169] <... symlink resumed>) = 0 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(13 [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] getdents64(3, [pid 5030] <... unlink resumed>) = 0 [pid 6169] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6165] close(11 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] umount2("./87/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6169] <... symlink resumed>) = 0 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(14 [pid 6163] close(16 [pid 5032] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6165] close(12 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] lstat("./87/cgroup.net", [pid 6169] <... openat resumed>) = 3 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(15 [pid 6163] close(17 [pid 5032] lstat("./91/binderfs", [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6169] write(3, "1000", 4 [pid 6165] close(13 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] unlink("./87/cgroup.net" [pid 6169] <... write resumed>) = 4 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(16 [pid 6163] close(18 [pid 5032] unlink("./91/binderfs" [pid 5030] <... unlink resumed>) = 0 [pid 6169] close(3 [pid 6165] close(14 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5030] umount2("./87/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6169] <... close resumed>) = 0 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(17 [pid 6163] close(19 [pid 5032] umount2("./91/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6169] read(200, [pid 6165] close(15 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] lstat("./87/cgroup.cpu", [pid 6169] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(18 [pid 6163] close(20 [pid 5032] lstat("./91/cgroup.net", [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6169] symlink("/dev/binderfs", "./binderfs" [pid 6165] close(16 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] unlink("./87/cgroup.cpu" [pid 6169] <... symlink resumed>) = 0 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(19 [pid 6163] close(21 [pid 5032] unlink("./91/cgroup.net" [pid 5030] <... unlink resumed>) = 0 [pid 6169] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] close(17 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5030] umount2("./87/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6169] <... futex resumed>) = 0 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(20 [pid 6163] close(22 [pid 5032] umount2("./91/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6165] close(18 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] lstat("./87/cgroup", [pid 6169] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(21 [pid 6163] close(23 [pid 5032] lstat("./91/cgroup.cpu", [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6169] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6165] close(19 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] unlink("./87/cgroup" [pid 6169] <... mprotect resumed>) = 0 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(22 [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./91/cgroup.cpu" [pid 5030] <... unlink resumed>) = 0 [pid 6169] 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 6165] close(20 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] close(24 [pid 5032] <... unlink resumed>) = 0 [pid 5030] getdents64(3, ./strace-static-x86_64: Process 6170 attached [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(23 [pid 5032] umount2("./91/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6170] set_robust_list(0x7f4e92bc39e0, 24 [pid 6169] <... clone resumed>, parent_tid=[185], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 185 [pid 6165] close(21 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] close(3 [pid 6170] <... set_robust_list resumed>) = 0 [pid 6169] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(24 [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./91/cgroup", [pid 5030] <... close resumed>) = 0 [pid 6170] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6169] <... futex resumed>) = 0 [pid 6165] close(22 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] close(25 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] rmdir("./87" [pid 6170] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6169] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(25 [pid 5032] unlink("./91/cgroup" [pid 5030] <... rmdir resumed>) = 0 [pid 6170] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6165] close(23 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5030] mkdir("./88", 0777 [pid 6170] <... futex resumed>) = 0 [pid 6169] close(3 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(26 [pid 6163] close(26 [pid 5032] getdents64(3, [pid 5030] <... mkdir resumed>) = 0 [pid 6170] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] close(24 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6169] close(4 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(27 [pid 6163] close(27 [pid 5032] close(3./strace-static-x86_64: Process 6171 attached [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] close(25 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... close resumed>) = 0 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 178 [pid 6171] set_robust_list(0x55555580e6e0, 24 [pid 6169] close(5 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(28 [pid 6163] close(28 [pid 5032] rmdir("./91" [pid 6171] <... set_robust_list resumed>) = 0 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] close(26 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... rmdir resumed>) = 0 [pid 6171] chdir("./88" [pid 6169] close(6 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(29 [pid 6163] close(29 [pid 5032] mkdir("./92", 0777 [pid 6171] <... chdir resumed>) = 0 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] close(27 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... mkdir resumed>) = 0 [pid 6171] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6169] close(7 [pid 6165] <... 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 6164] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDwrite 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 6163] 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 6172 attached [pid 6171] <... prctl resumed>) = 0 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] close(28 [pid 6164] <... write resumed>) = 335 [pid 6172] set_robust_list(0x55555580e6e0, 24 [pid 6171] setpgid(0, 0 [pid 6169] close(8 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] exit_group(0 [pid 6163] <... write resumed>) = 335 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 186 [pid 6172] <... set_robust_list resumed>) = 0 [pid 6171] <... setpgid resumed>) = 0 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] <... futex resumed>) = ? [pid 6165] close(29 [pid 6164] <... exit_group resumed>) = ? [pid 6163] exit_group(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 6172] chdir("./92" [pid 6171] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6169] close(9 [pid 6167] +++ exited with 0 +++ [pid 6166] <... futex resumed>) = ? [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] +++ exited with 0 +++ [pid 6163] <... exit_group resumed>) = ? [pid 6172] <... chdir resumed>) = 0 [pid 6171] <... symlink resumed>) = 0 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] +++ exited with 0 +++ [pid 6165] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6172] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6169] close(10 [pid 6165] <... write resumed>) = 335 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6172] <... prctl resumed>) = 0 [pid 6171] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] exit_group(0 [pid 5033] umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6172] setpgid(0, 0 [pid 6171] <... symlink resumed>) = 0 [pid 6169] close(11 [pid 6168] <... futex resumed>) = ? [pid 6165] <... exit_group resumed>) = ? [pid 6163] +++ exited with 0 +++ [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6172] <... setpgid resumed>) = 0 [pid 6171] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6168] +++ exited with 0 +++ [pid 6165] +++ exited with 0 +++ [pid 5033] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=176, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6172] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6171] <... symlink resumed>) = 0 [pid 6169] close(12 [pid 5033] <... openat resumed>) = 3 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=178, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6172] <... symlink resumed>) = 0 [pid 6171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 6172] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6171] <... openat resumed>) = 3 [pid 6169] close(13 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6172] <... symlink resumed>) = 0 [pid 6171] write(3, "1000", 4 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5029] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6172] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6171] <... write resumed>) = 4 [pid 6169] close(14 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6172] <... symlink resumed>) = 0 [pid 6171] close(3 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6171] <... close resumed>) = 0 [pid 6169] close(15 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... openat resumed>) = 3 [pid 6172] <... openat resumed>) = 3 [pid 6171] read(200, [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./94/binderfs", [pid 5029] fstat(3, [pid 6172] write(3, "1000", 4 [pid 6171] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6169] close(16 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6172] <... write resumed>) = 4 [pid 6171] symlink("/dev/binderfs", "./binderfs" [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./94/binderfs" [pid 5029] getdents64(3, [pid 6172] close(3 [pid 6171] <... symlink resumed>) = 0 [pid 6169] close(17 [pid 5033] <... unlink resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6172] <... close resumed>) = 0 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./94/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6172] read(200, [pid 6171] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] close(18 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6172] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6171] <... futex resumed>) = 0 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./94/cgroup.net", [pid 5029] lstat("./88/binderfs", [pid 6172] symlink("/dev/binderfs", "./binderfs" [pid 6171] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6169] close(19 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] <... openat resumed>) = 3 [pid 6172] <... symlink resumed>) = 0 [pid 6171] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./94/cgroup.net" [pid 5029] unlink("./88/binderfs" [pid 5028] fstat(3, [pid 6172] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6169] close(20 [pid 5033] <... unlink resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 6172] <... futex resumed>) = 0 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./94/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./88/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6172] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6169] close(21 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6172] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6171] <... mprotect resumed>) = 0 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./94/cgroup.cpu", [pid 5029] lstat("./88/cgroup.net", [pid 5028] getdents64(3, [pid 6172] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6171] 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 6169] close(22 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6173 attached [pid 6172] <... mprotect resumed>) = 0 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./94/cgroup.cpu" [pid 5029] unlink("./88/cgroup.net" [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6173] set_robust_list(0x7f4e92bc39e0, 24 [pid 6172] 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 6171] <... clone resumed>, parent_tid=[179], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 179 [pid 6169] close(23 [pid 5033] <... unlink resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6174 attached [pid 6173] <... set_robust_list resumed>) = 0 [pid 6171] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./94/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./88/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6174] set_robust_list(0x7f4e92bc39e0, 24 [pid 6173] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6172] <... clone resumed>, parent_tid=[187], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 187 [pid 6171] <... futex resumed>) = 0 [pid 6169] close(24 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6174] <... set_robust_list resumed>) = 0 [pid 6173] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6172] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./94/cgroup", [pid 5029] lstat("./88/cgroup.cpu", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6174] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6173] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... futex resumed>) = 0 [pid 6171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6169] close(25 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6174] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6173] <... futex resumed>) = 0 [pid 6172] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6171] close(3 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./94/cgroup" [pid 5029] unlink("./88/cgroup.cpu" [pid 5028] lstat("./87/binderfs", [pid 6174] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(26 [pid 5033] <... unlink resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 6174] <... futex resumed>) = 0 [pid 6172] close(3 [pid 6171] close(4 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5029] umount2("./88/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6174] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(27 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./87/binderfs" [pid 6172] close(4 [pid 6171] close(5 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5029] lstat("./88/cgroup", [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(28 [pid 5033] <... close resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6172] close(5 [pid 6171] close(6 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] rmdir("./94" [pid 5029] unlink("./88/cgroup" [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(29 [pid 5033] <... rmdir resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5028] umount2("./87/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6172] close(6 [pid 6171] close(7 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./95", 0777 [pid 5029] getdents64(3, [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] 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 5033] <... mkdir resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6172] close(7 [pid 6171] close(8 [pid 6169] <... write resumed>) = 335 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] close(3./strace-static-x86_64: Process 6175 attached [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] exit_group(0 [pid 5029] <... close resumed>) = 0 [pid 5028] lstat("./87/cgroup.net", [pid 6175] set_robust_list(0x55555580e6e0, 24 [pid 6172] close(8 [pid 6171] close(9 [pid 6170] <... futex resumed>) = ? [pid 6169] <... exit_group resumed>) = ? [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 192 [pid 5029] rmdir("./88" [pid 6175] <... set_robust_list resumed>) = 0 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] +++ exited with 0 +++ [pid 6169] +++ exited with 0 +++ [pid 5029] <... rmdir resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6175] chdir("./95" [pid 6172] close(9 [pid 6171] close(10 [pid 5029] mkdir("./89", 0777 [pid 6175] <... chdir resumed>) = 0 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=184, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5029] <... mkdir resumed>) = 0 [pid 5028] unlink("./87/cgroup.net" [pid 6175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6172] close(10 [pid 6171] close(11 [pid 5031] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6176 attached [pid 6175] <... prctl resumed>) = 0 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 6176] set_robust_list(0x55555580e6e0, 24 [pid 6175] setpgid(0, 0 [pid 6172] close(11 [pid 6171] close(12 [pid 5031] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6176] <... set_robust_list resumed>) = 0 [pid 6175] <... setpgid resumed>) = 0 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 180 [pid 5028] umount2("./87/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6176] chdir("./89" [pid 5031] <... openat resumed>) = 3 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6176] <... chdir resumed>) = 0 [pid 6171] close(13 [pid 5028] lstat("./87/cgroup.cpu", [pid 6176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6175] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6172] close(12 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] fstat(3, [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6176] <... prctl resumed>) = 0 [pid 6175] <... symlink resumed>) = 0 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] close(14 [pid 5028] unlink("./87/cgroup.cpu" [pid 6176] setpgid(0, 0 [pid 6175] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6172] close(13 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6176] <... setpgid resumed>) = 0 [pid 6175] <... symlink resumed>) = 0 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] close(15 [pid 5031] getdents64(3, [pid 5028] umount2("./87/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6176] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6175] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6172] close(14 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6176] <... symlink resumed>) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] lstat("./87/cgroup", [pid 6176] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6175] <... symlink resumed>) = 0 [pid 6171] close(16 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6176] <... symlink resumed>) = 0 [pid 6175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6172] close(15 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6176] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6175] <... openat resumed>) = 3 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] close(17 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./87/cgroup" [pid 6176] <... symlink resumed>) = 0 [pid 6175] write(3, "1000", 4 [pid 6172] close(16 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./91/binderfs", [pid 6176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6175] <... write resumed>) = 4 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] close(18 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6176] <... openat resumed>) = 3 [pid 6175] close(3 [pid 6172] close(17 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] getdents64(3, [pid 6176] write(3, "1000", 4 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6176] <... write resumed>) = 4 [pid 5031] unlink("./91/binderfs" [pid 5028] close(3 [pid 6176] close(3 [pid 5028] <... close resumed>) = 0 [pid 6176] <... close resumed>) = 0 [pid 5028] rmdir("./87" [pid 6176] read(200, [pid 5028] <... rmdir resumed>) = 0 [pid 6176] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5028] mkdir("./88", 0777 [pid 6176] symlink("/dev/binderfs", "./binderfs" [pid 5028] <... mkdir resumed>) = 0 [pid 6176] <... symlink resumed>) = 0 [pid 6175] <... close resumed>) = 0 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] close(19 [pid 5031] <... unlink resumed>) = 0 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6177 attached [pid 6176] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] read(200, [pid 6172] close(18 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./91/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6176] <... futex resumed>) = 0 [pid 6176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 178 [pid 6177] set_robust_list(0x55555580e6e0, 24 [pid 6176] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6175] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] close(20 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6177] <... set_robust_list resumed>) = 0 [pid 6176] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6175] symlink("/dev/binderfs", "./binderfs" [pid 6172] close(19 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./91/cgroup.net", [pid 6177] chdir("./88" [pid 6176] <... mprotect resumed>) = 0 [pid 6175] <... symlink resumed>) = 0 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] close(21 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6177] <... chdir resumed>) = 0 [pid 6176] 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 6175] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] close(20 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./91/cgroup.net"./strace-static-x86_64: Process 6178 attached [pid 6177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6175] <... futex resumed>) = 0 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] close(22 [pid 5031] <... unlink resumed>) = 0 [pid 6178] set_robust_list(0x7f4e92bc39e0, 24 [pid 6177] <... prctl resumed>) = 0 [pid 6176] <... clone resumed>, parent_tid=[181], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 181 [pid 6175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6172] close(21 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./91/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6178] <... set_robust_list resumed>) = 0 [pid 6177] setpgid(0, 0 [pid 6175] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] close(23 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6176] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6177] <... setpgid resumed>) = 0 [pid 6175] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6172] close(22 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./91/cgroup.cpu", [pid 6178] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6177] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6176] <... futex resumed>) = 0 [pid 6175] <... mprotect resumed>) = 0 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] close(24 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6178] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] <... symlink resumed>) = 0 [pid 6176] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6175] 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 6172] close(23 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./91/cgroup.cpu"./strace-static-x86_64: Process 6179 attached [pid 6178] <... futex resumed>) = 0 [pid 6177] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] close(25 [pid 5031] <... unlink resumed>) = 0 [pid 6179] set_robust_list(0x7f4e92bc39e0, 24 [pid 6178] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6177] <... symlink resumed>) = 0 [pid 6176] close(3 [pid 6175] <... clone resumed>, parent_tid=[193], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 193 [pid 6172] close(24 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./91/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6179] <... set_robust_list resumed>) = 0 [pid 6177] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] close(26 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6179] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6177] <... symlink resumed>) = 0 [pid 6176] close(4 [pid 6175] <... futex resumed>) = 0 [pid 6172] close(25 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./91/cgroup", [pid 6177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6175] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] close(27 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6179] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6177] <... openat resumed>) = 3 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] close(26 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./91/cgroup" [pid 6179] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] write(3, "1000", 4 [pid 6176] close(5 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] close(28 [pid 5031] <... unlink resumed>) = 0 [pid 6179] <... futex resumed>) = 1 [pid 6177] <... write resumed>) = 4 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... futex resumed>) = 0 [pid 6172] close(27 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] getdents64(3, [pid 6179] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6177] close(3 [pid 6176] close(6 [pid 6175] close(3 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] close(29 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6177] <... close resumed>) = 0 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] close(28 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] close(3write 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 6177] read(200, [pid 6176] close(7 [pid 6175] close(4 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] <... close resumed>) = 0 [pid 6177] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] close(29 [pid 6171] <... write resumed>) = 335 [pid 5031] rmdir("./91" [pid 6177] symlink("/dev/binderfs", "./binderfs" [pid 6176] close(8 [pid 6175] close(5 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] exit_group(0 [pid 5031] <... rmdir resumed>) = 0 [pid 6177] <... symlink resumed>) = 0 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] close(9 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(6 [pid 6173] <... futex resumed>) = ? [pid 6172] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6171] <... exit_group resumed>) = ? [pid 5031] mkdir("./92", 0777 [pid 6177] <... futex resumed>) = 0 [pid 6176] close(10) = -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 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] +++ exited with 0 +++ [pid 6176] close(11 [pid 6175] close(7 [pid 6177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] <... write resumed>) = 335 [pid 5031] <... mkdir resumed>) = 0 [pid 6177] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6176] close(12 [pid 6175] close(8 [pid 6172] exit_group(0 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6177] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] <... futex resumed>) = ? [pid 6172] <... exit_group resumed>) = ? [pid 6171] +++ exited with 0 +++ [pid 6176] close(13 [pid 6177] <... mprotect resumed>) = 0 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(9 [pid 6174] +++ exited with 0 +++ [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=178, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6176] close(14 [pid 5030] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6177] 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 6176] close(15 [pid 5030] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6180 attached [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(10 [pid 5030] <... openat resumed>) = 3 [pid 6180] set_robust_list(0x7f4e92bc39e0, 24 [pid 6177] <... clone resumed>, parent_tid=[179], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 179 [pid 6176] close(16 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] +++ exited with 0 +++ [pid 5030] fstat(3, [pid 6180] <... set_robust_list resumed>) = 0 [pid 6177] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(11 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 ./strace-static-x86_64: Process 6181 attached [pid 6180] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6177] <... futex resumed>) = 0 [pid 6176] close(17 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 186 [pid 5030] getdents64(3, [pid 6180] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6177] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(12 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6181] set_robust_list(0x55555580e6e0, 24) = 0 [pid 6180] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6176] close(18 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] restart_syscall(<... resuming interrupted clone ...> [pid 6181] chdir("./92" [pid 6180] <... futex resumed>) = 0 [pid 6177] close(3 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(13 [pid 5032] <... restart_syscall resumed>) = 0 [pid 5030] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6181] <... chdir resumed>) = 0 [pid 6180] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] close(19 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6181] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6177] close(4 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(14 [pid 5030] lstat("./88/binderfs", [pid 6181] <... prctl resumed>) = 0 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] close(20 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6181] setpgid(0, 0 [pid 6177] close(5 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(15 [pid 5032] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] unlink("./88/binderfs" [pid 6181] <... setpgid resumed>) = 0 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] close(21 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... unlink resumed>) = 0 [pid 6181] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6177] close(6 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(16 [pid 5032] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] umount2("./88/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6181] <... symlink resumed>) = 0 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] close(22 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... openat resumed>) = 3 [pid 6181] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6177] close(7 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(17 [pid 5032] fstat(3, [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6181] <... symlink resumed>) = 0 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] close(23 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] lstat("./88/cgroup.net", [pid 6181] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6177] close(8 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(18 [pid 5032] getdents64(3, [pid 6181] <... symlink resumed>) = 0 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] close(24 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6177] close(9 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(19 [pid 5032] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6181] <... openat resumed>) = 3 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] close(25 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] unlink("./88/cgroup.net" [pid 6181] write(3, "1000", 4 [pid 6177] close(10 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(20 [pid 5032] lstat("./92/binderfs", [pid 6181] <... write resumed>) = 4 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] close(26 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 6181] close(3 [pid 6177] close(11 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(21 [pid 5032] unlink("./92/binderfs" [pid 5030] umount2("./88/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6181] <... close resumed>) = 0 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] close(27 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 6181] read(200, [pid 6177] close(12 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(22 [pid 5032] umount2("./92/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6181] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] close(28 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6181] symlink("/dev/binderfs", "./binderfs" [pid 6177] close(13 [pid 6175] close(23 [pid 5032] lstat("./92/cgroup.net", [pid 5030] lstat("./88/cgroup.cpu", [pid 6181] <... symlink resumed>) = 0 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6181] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] close(14 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(24 [pid 5032] unlink("./92/cgroup.net" [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6181] <... futex resumed>) = 0 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 6181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6177] close(15 [pid 6175] close(25 [pid 5032] umount2("./92/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6181] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] close(29 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] unlink("./88/cgroup.cpu" [pid 6181] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6177] close(16 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(26 [pid 5032] lstat("./92/cgroup.cpu", [pid 6181] <... mprotect resumed>) = 0 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] 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 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 6181] 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 6177] close(17 [pid 6176] <... write resumed>) = 335 [pid 6175] close(27 [pid 5032] unlink("./92/cgroup.cpu" [pid 5030] umount2("./88/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6182 attached [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] exit_group(0 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [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 6182] set_robust_list(0x7f4e92bc39e0, 24 [pid 6181] <... clone resumed>, parent_tid=[187], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 187 [pid 6178] <... futex resumed>) = ? [pid 6177] close(18 [pid 6176] <... exit_group resumed>) = ? [pid 6175] close(28 [pid 5032] umount2("./92/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6182] <... set_robust_list resumed>) = 0 [pid 6181] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] +++ exited with 0 +++ [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6182] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6181] <... futex resumed>) = 0 [pid 6177] close(19 [pid 6175] close(29 [pid 5032] lstat("./92/cgroup", [pid 5030] lstat("./88/cgroup", [pid 6182] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6181] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6182] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6177] close(20 [pid 6175] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] unlink("./92/cgroup" [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6182] <... futex resumed>) = 0 [pid 6181] close(3 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... write resumed>) = 335 [pid 5032] <... unlink resumed>) = 0 [pid 6182] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(21 [pid 6175] exit_group(0 [pid 5032] getdents64(3, [pid 5030] unlink("./88/cgroup" [pid 6181] close(4 [pid 6179] <... futex resumed>) = ? [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] +++ exited with 0 +++ [pid 6175] <... exit_group resumed>) = ? [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] +++ exited with 0 +++ [pid 6177] close(22 [pid 6175] +++ exited with 0 +++ [pid 5032] close(3 [pid 5030] <... unlink resumed>) = 0 [pid 6181] close(5 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=192, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5032] <... close resumed>) = 0 [pid 5030] getdents64(3, [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=180, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(23 [pid 5032] rmdir("./92" [pid 5029] restart_syscall(<... resuming interrupted clone ...> [pid 6181] close(6 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... rmdir resumed>) = 0 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] <... restart_syscall resumed>) = 0 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(24 [pid 5032] mkdir("./93", 0777 [pid 6181] close(7 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... mkdir resumed>) = 0 [pid 5030] close(3 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(25 [pid 5033] umount2("./95", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] <... close resumed>) = 0 [pid 5029] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6181] close(8 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] rmdir("./88"./strace-static-x86_64: Process 6183 attached [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(26 [pid 5033] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] <... rmdir resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6183] set_robust_list(0x55555580e6e0, 24 [pid 6181] close(9 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... openat resumed>) = 3 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 188 [pid 5029] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6183] <... set_robust_list resumed>) = 0 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(27 [pid 5033] fstat(3, [pid 5030] mkdir("./89", 0777 [pid 5029] <... openat resumed>) = 3 [pid 6183] chdir("./93" [pid 6181] close(10 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] fstat(3, [pid 6183] <... chdir resumed>) = 0 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(28 [pid 5033] getdents64(3, [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6181] close(11 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 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] <... mkdir resumed>) = 0 [pid 5029] getdents64(3, [pid 6183] <... prctl resumed>) = 0 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(29 [pid 5033] umount2("./95/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6183] setpgid(0, 0 [pid 6181] close(12 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6183] <... setpgid resumed>) = 0 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] lstat("./95/binderfs", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6184 attached [pid 6183] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6181] close(13 [pid 6177] <... write resumed>) = 335 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] lstat("./89/binderfs", [pid 6184] set_robust_list(0x55555580e6e0, 24 [pid 6183] <... symlink resumed>) = 0 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] exit_group(0 [pid 5033] unlink("./95/binderfs" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6183] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6181] close(14 [pid 6180] <... futex resumed>) = ? [pid 6177] <... exit_group resumed>) = ? [pid 5033] <... unlink resumed>) = 0 [pid 5029] unlink("./89/binderfs" [pid 6184] <... set_robust_list resumed>) = 0 [pid 6183] <... symlink resumed>) = 0 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] +++ exited with 0 +++ [pid 6177] +++ exited with 0 +++ [pid 5033] umount2("./95/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 180 [pid 5029] <... unlink resumed>) = 0 [pid 6184] chdir("./89" [pid 6183] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6181] close(15 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./89/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6184] <... chdir resumed>) = 0 [pid 6183] <... symlink resumed>) = 0 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./95/cgroup.net", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=178, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6181] close(16 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] lstat("./89/cgroup.net", [pid 6184] <... prctl resumed>) = 0 [pid 6183] <... openat resumed>) = 3 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./95/cgroup.net" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] restart_syscall(<... resuming interrupted clone ...> [pid 6184] setpgid(0, 0 [pid 6183] write(3, "1000", 4 [pid 6181] close(17 [pid 5033] <... unlink resumed>) = 0 [pid 5029] unlink("./89/cgroup.net" [pid 6184] <... setpgid resumed>) = 0 [pid 6183] <... write resumed>) = 4 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./95/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... restart_syscall resumed>) = 0 [pid 6184] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6183] close(3 [pid 6181] close(18 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 6184] <... symlink resumed>) = 0 [pid 6184] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6183] <... close resumed>) = 0 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./95/cgroup.cpu", [pid 5029] umount2("./89/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6184] <... symlink resumed>) = 0 [pid 5028] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6184] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6184] <... symlink resumed>) = 0 [pid 6183] read(200, [pid 6181] close(19 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6183] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./95/cgroup.cpu" [pid 5029] lstat("./89/cgroup.cpu", [pid 5028] <... openat resumed>) = 3 [pid 6184] <... openat resumed>) = 3 [pid 6183] symlink("/dev/binderfs", "./binderfs" [pid 6181] close(20 [pid 5033] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] fstat(3, [pid 6184] write(3, "1000", 4 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6184] <... write resumed>) = 4 [pid 6183] <... symlink resumed>) = 0 [pid 6181] close(21 [pid 5033] umount2("./95/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./89/cgroup.cpu" [pid 5028] getdents64(3, [pid 6184] close(3 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6184] <... close resumed>) = 0 [pid 6181] close(22 [pid 5028] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6184] read(200, [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6184] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6181] close(23 [pid 5028] lstat("./88/binderfs", [pid 6184] symlink("/dev/binderfs", "./binderfs" [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6184] <... symlink resumed>) = 0 [pid 6181] close(24 [pid 5033] lstat("./95/cgroup", [pid 6183] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] <... unlink resumed>) = 0 [pid 5028] unlink("./88/binderfs" [pid 6184] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6184] <... futex resumed>) = 0 [pid 6183] <... futex resumed>) = 0 [pid 6181] close(25 [pid 5033] unlink("./95/cgroup" [pid 5029] umount2("./89/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] umount2("./88/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6183] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6184] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6181] close(26 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./88/cgroup.net", [pid 6184] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6183] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5029] lstat("./89/cgroup", [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6184] <... mprotect resumed>) = 0 [pid 6183] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6181] close(27 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6184] 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 6183] <... mprotect resumed>) = 0 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5029] unlink("./89/cgroup" [pid 5028] unlink("./88/cgroup.net"./strace-static-x86_64: Process 6185 attached [pid 6183] 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 6181] close(28 [pid 5033] <... close resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6186 attached [pid 6185] set_robust_list(0x7f4e92bc39e0, 24 [pid 6184] <... clone resumed>, parent_tid=[181], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 181 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] rmdir("./95" [pid 5029] getdents64(3, [pid 5028] <... unlink resumed>) = 0 [pid 6186] set_robust_list(0x7f4e92bc39e0, 24 [pid 6185] <... set_robust_list resumed>) = 0 [pid 6184] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] <... clone resumed>, parent_tid=[189], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 189 [pid 6181] close(29 [pid 5033] <... rmdir resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6186] <... set_robust_list resumed>) = 0 [pid 6185] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6184] <... futex resumed>) = 0 [pid 6183] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./96", 0777 [pid 5029] close(3 [pid 5028] umount2("./88/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6186] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6185] <... 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 6184] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6183] <... futex resumed>) = 0 [pid 6181] 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 5029] <... close resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6186] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6185] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6183] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6181] <... write resumed>) = 335 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] rmdir("./89" [pid 5028] lstat("./88/cgroup.cpu", ./strace-static-x86_64: Process 6187 attached [pid 6186] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... futex resumed>) = 0 [pid 6184] close(3 [pid 6181] exit_group(0 [pid 5029] <... rmdir resumed>) = 0 [pid 6187] set_robust_list(0x55555580e6e0, 24 [pid 6186] <... futex resumed>) = 1 [pid 6185] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... futex resumed>) = 0 [pid 6182] <... futex resumed>) = ? [pid 6181] <... exit_group resumed>) = ? [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 194 [pid 5029] mkdir("./90", 0777 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6187] <... set_robust_list resumed>) = 0 [pid 6186] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6184] close(4 [pid 6183] close(3 [pid 6182] +++ exited with 0 +++ [pid 5029] <... mkdir resumed>) = 0 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] unlink("./88/cgroup.cpu"./strace-static-x86_64: Process 6188 attached [pid 6187] chdir("./96" [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] close(4 [pid 6181] +++ exited with 0 +++ [pid 6188] set_robust_list(0x55555580e6e0, 24 [pid 6187] <... chdir resumed>) = 0 [pid 6184] close(5 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5028] <... unlink resumed>) = 0 [pid 6188] <... set_robust_list resumed>) = 0 [pid 6183] close(5 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 182 [pid 6188] chdir("./90" [pid 6187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] umount2("./88/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6188] <... chdir resumed>) = 0 [pid 6187] <... prctl resumed>) = 0 [pid 6184] close(6 [pid 6183] close(6 [pid 5031] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6187] setpgid(0, 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6188] <... prctl resumed>) = 0 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] close(7 [pid 5031] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6188] setpgid(0, 0 [pid 6187] <... setpgid resumed>) = 0 [pid 6184] close(7 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... openat resumed>) = 3 [pid 5028] lstat("./88/cgroup", [pid 6188] <... setpgid resumed>) = 0 [pid 6187] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] close(8 [pid 5031] fstat(3, [pid 6188] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6187] <... symlink resumed>) = 0 [pid 6184] close(8 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6188] <... symlink resumed>) = 0 [pid 6187] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] close(9 [pid 5031] getdents64(3, [pid 5028] unlink("./88/cgroup" [pid 6188] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6187] <... symlink resumed>) = 0 [pid 6184] close(9 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6188] <... symlink resumed>) = 0 [pid 6187] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] close(10 [pid 5031] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 [pid 6188] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6187] <... symlink resumed>) = 0 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6188] <... symlink resumed>) = 0 [pid 6187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6184] close(10 [pid 6183] close(11 [pid 5031] lstat("./92/binderfs", [pid 5028] getdents64(3, [pid 6188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6187] <... openat resumed>) = 3 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6188] <... openat resumed>) = 3 [pid 6187] write(3, "1000", 4 [pid 6184] close(11 [pid 6183] close(12 [pid 5031] unlink("./92/binderfs" [pid 5028] close(3 [pid 6188] write(3, "1000", 4 [pid 6187] <... write resumed>) = 4 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... close resumed>) = 0 [pid 6188] <... write resumed>) = 4 [pid 6187] close(3 [pid 6184] close(12 [pid 6183] close(13 [pid 5031] <... unlink resumed>) = 0 [pid 6188] close(3 [pid 6187] <... close resumed>) = 0 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./92/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] rmdir("./88" [pid 6188] <... close resumed>) = 0 [pid 6187] read(200, [pid 6184] close(13 [pid 6183] close(14 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... rmdir resumed>) = 0 [pid 6188] read(200, [pid 6187] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./92/cgroup.net", [pid 5028] mkdir("./89", 0777 [pid 6188] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6187] symlink("/dev/binderfs", "./binderfs" [pid 6184] close(14 [pid 5028] <... mkdir resumed>) = 0 [pid 6184] <... 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 6189 attached [pid 6188] symlink("/dev/binderfs", "./binderfs" [pid 6187] <... symlink resumed>) = 0 [pid 6184] close(15 [pid 6183] close(15 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6189] set_robust_list(0x55555580e6e0, 24 [pid 6188] <... symlink resumed>) = 0 [pid 6187] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./92/cgroup.net" [pid 6189] <... set_robust_list resumed>) = 0 [pid 6188] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] <... futex resumed>) = 0 [pid 6184] close(16 [pid 6183] close(16 [pid 5031] <... unlink resumed>) = 0 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 180 [pid 6189] chdir("./89" [pid 6188] <... futex resumed>) = 0 [pid 6187] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./92/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6189] <... chdir resumed>) = 0 [pid 6188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6187] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6184] close(17 [pid 6183] close(17 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6189] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6188] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6187] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./92/cgroup.cpu", [pid 6189] <... prctl resumed>) = 0 [pid 6188] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6187] <... mprotect resumed>) = 0 [pid 6184] close(18 [pid 6189] setpgid(0, 0 [pid 6188] <... mprotect resumed>) = 0 [pid 6187] 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 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] close(18 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6190 attached [pid 6189] <... setpgid resumed>) = 0 [pid 6188] 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 6184] close(19 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./92/cgroup.cpu"./strace-static-x86_64: Process 6191 attached [pid 6190] set_robust_list(0x7f4e92bc39e0, 24 [pid 6189] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6187] <... clone resumed>, parent_tid=[195], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 195 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] set_robust_list(0x7f4e92bc39e0, 24 [pid 6190] <... set_robust_list resumed>) = 0 [pid 6189] <... symlink resumed>) = 0 [pid 6187] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] close(20 [pid 6183] close(19 [pid 5031] <... unlink resumed>) = 0 [pid 6191] <... set_robust_list resumed>) = 0 [pid 6190] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6189] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6188] <... clone resumed>, parent_tid=[183], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 183 [pid 6187] <... futex resumed>) = 0 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./92/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6191] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6190] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6189] <... symlink resumed>) = 0 [pid 6188] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6184] close(21 [pid 6183] close(20 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6190] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6188] <... futex resumed>) = 0 [pid 6187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./92/cgroup", [pid 6191] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6190] <... futex resumed>) = 0 [pid 6189] <... symlink resumed>) = 0 [pid 6188] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6187] close(3 [pid 6184] close(22 [pid 6183] close(21 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6191] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6190] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./92/cgroup" [pid 6191] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] <... openat resumed>) = 3 [pid 6187] close(4 [pid 6184] close(23 [pid 6183] close(22 [pid 5031] <... unlink resumed>) = 0 [pid 6191] <... futex resumed>) = 1 [pid 6189] write(3, "1000", 4 [pid 6188] <... futex resumed>) = 0 [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] getdents64(3, [pid 6191] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] <... write resumed>) = 4 [pid 6188] close(3 [pid 6187] close(5 [pid 6184] close(24 [pid 6183] close(23 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6189] close(3 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] close(3 [pid 6189] <... close resumed>) = 0 [pid 6188] close(4 [pid 6187] close(6 [pid 6184] close(25 [pid 6183] close(24 [pid 5031] <... close resumed>) = 0 [pid 6189] read(200, [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] rmdir("./92" [pid 6189] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6187] close(7 [pid 6184] close(26 [pid 6183] close(25 [pid 5031] <... rmdir resumed>) = 0 [pid 6189] symlink("/dev/binderfs", "./binderfs" [pid 6188] close(5 [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] mkdir("./93", 0777 [pid 6189] <... symlink resumed>) = 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] close(8 [pid 6184] close(27 [pid 6183] close(26 [pid 5031] <... mkdir resumed>) = 0 [pid 6189] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6192 attached [pid 6189] <... futex resumed>) = 0 [pid 6188] close(6 [pid 6187] close(9 [pid 6184] close(28 [pid 6183] close(27 [pid 6192] set_robust_list(0x55555580e6e0, 24 [pid 6189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 188 [pid 6192] <... set_robust_list resumed>) = 0 [pid 6189] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6188] close(7 [pid 6187] close(10 [pid 6184] close(29 [pid 6183] close(28 [pid 6192] chdir("./93" [pid 6189] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] <... chdir resumed>) = 0 [pid 6189] <... mprotect 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 6188] close(8 [pid 6187] close(11 [pid 6184] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6183] 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 6192] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6189] 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 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] <... write resumed>) = 335 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6193 attached [pid 6192] <... prctl resumed>) = 0 [pid 6187] close(12 [pid 6184] exit_group(0 [pid 6183] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6188] close(9 [pid 6193] set_robust_list(0x7f4e92bc39e0, 24 [pid 6192] setpgid(0, 0 [pid 6189] <... clone resumed>, parent_tid=[181], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 181 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... futex resumed>) = ? [pid 6184] <... exit_group resumed>) = ? [pid 6183] <... write resumed>) = 335 [pid 6193] <... set_robust_list resumed>) = 0 [pid 6192] <... setpgid resumed>) = 0 [pid 6189] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] close(10 [pid 6187] close(13 [pid 6183] exit_group(0 [pid 6193] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6192] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6189] <... futex resumed>) = 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] <... futex resumed>) = ? [pid 6183] <... exit_group resumed>) = ? [pid 6193] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6192] <... symlink resumed>) = 0 [pid 6189] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6188] close(11 [pid 6187] close(14 [pid 6186] +++ exited with 0 +++ [pid 6185] +++ exited with 0 +++ [pid 6184] +++ exited with 0 +++ [pid 6183] +++ exited with 0 +++ [pid 6193] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=188, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=180, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6193] <... futex resumed>) = 0 [pid 6192] <... symlink resumed>) = 0 [pid 6189] close(3 [pid 6188] close(12 [pid 6187] close(15 [pid 6193] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6192] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] <... symlink resumed>) = 0 [pid 6189] close(4 [pid 6188] close(13 [pid 6187] close(16 [pid 6192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] <... openat resumed>) = 3 [pid 6189] close(5 [pid 6188] close(14 [pid 6187] close(17 [pid 5032] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6192] write(3, "1000", 4 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6192] <... write resumed>) = 4 [pid 6189] close(6 [pid 6188] close(15 [pid 6187] close(18 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6192] close(3 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6192] <... close resumed>) = 0 [pid 6189] close(7 [pid 6188] close(16 [pid 6187] close(19 [pid 5032] <... openat resumed>) = 3 [pid 5030] <... openat resumed>) = 3 [pid 6192] read(200, [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] fstat(3, [pid 5030] fstat(3, [pid 6192] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6189] close(8 [pid 6188] close(17 [pid 6187] close(20 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6192] symlink("/dev/binderfs", "./binderfs" [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] getdents64(3, [pid 6192] <... symlink resumed>) = 0 [pid 6189] close(9 [pid 6188] close(18 [pid 6187] close(21 [pid 5032] getdents64(3, [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6192] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6192] <... futex resumed>) = 0 [pid 6189] close(10 [pid 6188] close(19 [pid 6187] close(22 [pid 5032] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] lstat("./89/binderfs", [pid 6192] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6189] close(11 [pid 6188] close(20 [pid 6187] close(23 [pid 5032] lstat("./93/binderfs", [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6192] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] unlink("./89/binderfs" [pid 6192] <... mprotect resumed>) = 0 [pid 6189] close(12 [pid 6188] close(21 [pid 6187] close(24 [pid 5032] unlink("./93/binderfs" [pid 5030] <... unlink resumed>) = 0 [pid 6192] 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 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5030] umount2("./89/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6194 attached [pid 6189] close(13 [pid 6188] close(22 [pid 6187] close(25 [pid 5032] umount2("./93/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6194] set_robust_list(0x7f4e92bc39e0, 24 [pid 6192] <... clone resumed>, parent_tid=[189], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 189 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] lstat("./89/cgroup.net", [pid 6192] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] close(14 [pid 6188] close(23 [pid 6187] close(26 [pid 5032] lstat("./93/cgroup.net", [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6194] <... set_robust_list resumed>) = 0 [pid 6192] <... futex resumed>) = 0 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] unlink("./89/cgroup.net" [pid 6194] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6192] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6189] close(15 [pid 6188] close(24 [pid 6187] close(27 [pid 5032] unlink("./93/cgroup.net" [pid 5030] <... unlink resumed>) = 0 [pid 6194] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5030] umount2("./89/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6194] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] close(16 [pid 6188] close(25 [pid 6187] close(28 [pid 5032] umount2("./93/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6194] <... futex resumed>) = 1 [pid 6192] <... futex resumed>) = 0 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] lstat("./89/cgroup.cpu", [pid 6194] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6192] close(3 [pid 6189] close(17 [pid 6188] 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 6187] close(29 [pid 5032] lstat("./93/cgroup.cpu", [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] unlink("./89/cgroup.cpu" [pid 6192] close(4 [pid 6189] close(18 [pid 6188] close(27 [pid 6187] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] unlink("./93/cgroup.cpu" [pid 5030] <... unlink resumed>) = 0 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... write resumed>) = 335 [pid 5032] <... unlink resumed>) = 0 [pid 5030] umount2("./89/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6192] close(5 [pid 6189] close(19 [pid 6188] close(28 [pid 6187] exit_group(0 [pid 5032] umount2("./93/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] <... futex resumed>) = ? [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... exit_group resumed>) = ? [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] lstat("./89/cgroup", [pid 6192] close(6 [pid 6190] +++ exited with 0 +++ [pid 6189] close(20 [pid 6188] close(29 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./93/cgroup", [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6189] 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 [pid 6192] close(7 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] unlink("./93/cgroup" [pid 5030] unlink("./89/cgroup" [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] close(22 [pid 6188] <... write resumed>) = 335 [pid 5032] <... unlink resumed>) = 0 [pid 6192] close(8 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] exit_group(0 [pid 5032] getdents64(3, [pid 5030] <... unlink resumed>) = 0 [pid 6187] +++ exited with 0 +++ [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] <... futex resumed>) = ? [pid 6189] close(23 [pid 6188] <... exit_group resumed>) = ? [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] getdents64(3, [pid 5032] close(3 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6192] close(9 [pid 6191] +++ exited with 0 +++ [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5033] umount2("./96", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5033] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] close(3 [pid 5033] <... openat resumed>) = 3 [pid 5033] fstat(3, {st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] close(24 [pid 5033] getdents64(3, [pid 5032] <... close resumed>) = 0 [pid 5030] <... close resumed>) = 0 [pid 6192] close(10 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] rmdir("./93" [pid 5030] rmdir("./89" [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] close(25 [pid 5033] umount2("./96/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6192] close(11 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... rmdir resumed>) = 0 [pid 5030] <... rmdir resumed>) = 0 [pid 6188] +++ exited with 0 +++ [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] close(26 [pid 5033] lstat("./96/binderfs", [pid 5032] mkdir("./94", 0777 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=182, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5030] mkdir("./90", 0777 [pid 6192] close(12 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] close(27 [pid 5033] unlink("./96/binderfs" [pid 5032] <... mkdir resumed>) = 0 [pid 5030] <... mkdir resumed>) = 0 [pid 6192] close(13 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] close(28 [pid 5033] umount2("./96/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6192] close(14 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5033] lstat("./96/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5033] unlink("./96/cgroup.net") = 0 [pid 5033] umount2("./96/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./96/cgroup.cpu", ./strace-static-x86_64: Process 6195 attached [pid 6189] close(29 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6192] close(15 [pid 5029] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6196 attached [pid 6195] set_robust_list(0x55555580e6e0, 24 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./96/cgroup.cpu" [pid 6195] <... set_robust_list 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 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 190 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 182 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6196] set_robust_list(0x55555580e6e0, 24 [pid 6195] chdir("./90" [pid 6192] close(16 [pid 6189] <... write resumed>) = 335 [pid 5033] umount2("./96/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6196] <... set_robust_list resumed>) = 0 [pid 6195] <... chdir resumed>) = 0 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] exit_group(0 [pid 6196] chdir("./94" [pid 5033] lstat("./96/cgroup", [pid 5029] <... openat resumed>) = 3 [pid 6196] <... chdir resumed>) = 0 [pid 6195] <... prctl resumed>) = 0 [pid 6193] <... futex resumed>) = ? [pid 6192] close(17 [pid 6189] <... exit_group resumed>) = ? [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6195] setpgid(0, 0 [pid 6193] +++ exited with 0 +++ [pid 5033] unlink("./96/cgroup" [pid 5029] fstat(3, [pid 6195] <... setpgid resumed>) = 0 [pid 5033] <... unlink resumed>) = 0 [pid 6195] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5033] getdents64(3, [pid 6195] <... symlink resumed>) = 0 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6195] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5033] close(3 [pid 6196] <... prctl resumed>) = 0 [pid 6195] <... symlink resumed>) = 0 [pid 6192] close(18 [pid 5033] <... close resumed>) = 0 [pid 5029] getdents64(3, [pid 6195] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5033] rmdir("./96" [pid 6196] setpgid(0, 0 [pid 6195] <... symlink resumed>) = 0 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... rmdir resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6196] <... setpgid resumed>) = 0 [pid 6195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6192] close(19 [pid 5033] mkdir("./97", 0777 [pid 6196] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6195] <... openat resumed>) = 3 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] +++ exited with 0 +++ [pid 5033] <... mkdir resumed>) = 0 [pid 5029] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6196] <... symlink resumed>) = 0 [pid 6195] write(3, "1000", 4 [pid 6192] close(20 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6197 attached [pid 6196] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6195] <... write resumed>) = 4 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=180, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6197] set_robust_list(0x55555580e6e0, 24 [pid 6195] close(3 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 196 [pid 6197] <... set_robust_list resumed>) = 0 [pid 6196] <... symlink resumed>) = 0 [pid 6195] <... close resumed>) = 0 [pid 6192] close(21 [pid 5029] lstat("./90/binderfs", [pid 6197] chdir("./97" [pid 6196] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6195] read(200, [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6197] <... chdir resumed>) = 0 [pid 6196] <... symlink resumed>) = 0 [pid 6195] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6192] close(22 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6195] symlink("/dev/binderfs", "./binderfs" [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] unlink("./90/binderfs" [pid 5028] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6197] <... prctl resumed>) = 0 [pid 6196] <... openat resumed>) = 3 [pid 6195] <... symlink resumed>) = 0 [pid 6192] close(23 [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6197] setpgid(0, 0 [pid 6196] write(3, "1000", 4 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] umount2("./90/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6197] <... setpgid resumed>) = 0 [pid 6196] <... write resumed>) = 4 [pid 6195] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] close(24 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... openat resumed>) = 3 [pid 6197] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6196] close(3 [pid 6195] <... futex resumed>) = 0 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6197] <... symlink resumed>) = 0 [pid 6196] <... close resumed>) = 0 [pid 6195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6192] close(25 [pid 5029] lstat("./90/cgroup.net", [pid 5028] fstat(3, [pid 6197] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6196] read(200, [pid 6195] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [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 6197] <... symlink resumed>) = 0 [pid 6196] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6195] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6192] close(26 [pid 5028] getdents64(3, [pid 6197] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6196] symlink("/dev/binderfs", "./binderfs" [pid 6195] <... mprotect resumed>) = 0 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] unlink("./90/cgroup.net" [pid 6197] <... symlink resumed>) = 0 [pid 6196] <... symlink resumed>) = 0 [pid 6195] 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 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 6198 attached [pid 6196] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] set_robust_list(0x7f4e92bc39e0, 24 [pid 6196] <... futex resumed>) = 0 [pid 6195] <... clone resumed>, parent_tid=[183], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 183 [pid 6192] close(27 [pid 6197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5029] <... unlink resumed>) = 0 [pid 5028] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6198] <... set_robust_list resumed>) = 0 [pid 6196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6195] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6198] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6197] <... openat resumed>) = 3 [pid 6196] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6195] <... futex resumed>) = 0 [pid 6192] close(28 [pid 5029] umount2("./90/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6198] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6197] write(3, "1000", 4 [pid 6196] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6195] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6198] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] <... write resumed>) = 4 [pid 6196] <... mprotect resumed>) = 0 [pid 6195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6192] close(29 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./89/binderfs", [pid 6198] <... futex resumed>) = 0 [pid 6197] close(3 [pid 6196] 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 6195] close(3write 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 6199 attached [pid 6198] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6197] <... close resumed>) = 0 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] lstat("./90/cgroup.cpu", [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6199] set_robust_list(0x7f4e92bc39e0, 24 [pid 6196] <... clone resumed>, parent_tid=[191], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 191 [pid 6195] close(4 [pid 6192] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6199] <... set_robust_list resumed>) = 0 [pid 6197] read(200, [pid 6196] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] <... write resumed>) = 335 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] unlink("./89/binderfs" [pid 6199] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6197] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6196] <... futex resumed>) = 0 [pid 6195] close(5 [pid 6192] exit_group(0 [pid 6199] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6197] symlink("/dev/binderfs", "./binderfs" [pid 6196] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] <... futex resumed>) = ? [pid 6192] <... exit_group resumed>) = ? [pid 5029] unlink("./90/cgroup.cpu" [pid 5028] <... unlink resumed>) = 0 [pid 6199] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] <... symlink resumed>) = 0 [pid 6196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6195] close(6 [pid 6194] +++ exited with 0 +++ [pid 6199] <... futex resumed>) = 0 [pid 6197] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] close(3 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] +++ exited with 0 +++ [pid 5029] <... unlink resumed>) = 0 [pid 5028] umount2("./89/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6199] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6197] <... futex resumed>) = 0 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(7 [pid 6197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6196] close(4 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=188, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5029] umount2("./90/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6197] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(8 [pid 5031] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6197] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6196] close(5 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./89/cgroup.net", [pid 6197] <... mprotect resumed>) = 0 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(9 [pid 5031] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6197] 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 6196] close(6 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... openat resumed>) = 3 [pid 5029] lstat("./90/cgroup", [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6200 attached [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(10 [pid 5031] fstat(3, [pid 6200] set_robust_list(0x7f4e92bc39e0, 24 [pid 6197] <... clone resumed>, parent_tid=[197], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 197 [pid 6196] close(7 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] unlink("./89/cgroup.net" [pid 6200] <... set_robust_list resumed>) = 0 [pid 6197] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(11 [pid 5031] getdents64(3, [pid 5029] unlink("./90/cgroup" [pid 6200] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6197] <... futex resumed>) = 0 [pid 6196] close(8 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] <... unlink resumed>) = 0 [pid 6200] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6197] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(12 [pid 5031] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... unlink resumed>) = 0 [pid 6200] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6196] close(9 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./89/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6200] <... futex resumed>) = 0 [pid 6197] close(3 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(13 [pid 5031] lstat("./93/binderfs", [pid 5029] getdents64(3, [pid 6200] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] close(10 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6197] close(4 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(14 [pid 5031] unlink("./93/binderfs" [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] lstat("./89/cgroup.cpu", [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] close(11 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(15 [pid 5031] umount2("./93/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6196] close(12 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] close(3 [pid 6197] close(5 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(16 [pid 5031] lstat("./93/cgroup.net", [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] close(13 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... close resumed>) = 0 [pid 5028] unlink("./89/cgroup.cpu" [pid 6197] close(6 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(17 [pid 5031] unlink("./93/cgroup.net" [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] close(14 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5029] rmdir("./90" [pid 5028] <... unlink resumed>) = 0 [pid 6197] close(7 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(18 [pid 5031] umount2("./93/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] close(15 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... rmdir resumed>) = 0 [pid 5028] umount2("./89/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6197] close(8 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(19 [pid 5031] lstat("./93/cgroup.cpu", [pid 5029] mkdir("./91", 0777 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] close(16 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6197] close(9 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(20 [pid 5031] unlink("./93/cgroup.cpu" [pid 5029] <... mkdir resumed>) = 0 [pid 5028] lstat("./89/cgroup", [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] close(17 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6197] close(10 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(21 [pid 5031] umount2("./93/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6196] close(18 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(22 [pid 5031] lstat("./93/cgroup", [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] close(19 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(23 [pid 5031] unlink("./93/cgroup"./strace-static-x86_64: Process 6201 attached [pid 6197] close(11 [pid 6196] close(20 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5028] unlink("./89/cgroup" [pid 6201] set_robust_list(0x55555580e6e0, 24 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(24 [pid 5031] getdents64(3, [pid 6201] <... set_robust_list resumed>) = 0 [pid 6197] close(12 [pid 6196] close(21 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 184 [pid 5028] <... unlink resumed>) = 0 [pid 6201] chdir("./91" [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(25 [pid 5031] close(3 [pid 5028] getdents64(3, [pid 6201] <... chdir resumed>) = 0 [pid 6197] close(13 [pid 6196] close(22 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... close resumed>) = 0 [pid 6201] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(26 [pid 5031] rmdir("./93" [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6201] <... prctl resumed>) = 0 [pid 6197] close(14 [pid 6196] close(23 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... rmdir resumed>) = 0 [pid 5028] close(3 [pid 6201] setpgid(0, 0 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(27 [pid 5031] mkdir("./94", 0777 [pid 6201] <... setpgid resumed>) = 0 [pid 6197] close(15 [pid 6196] close(24 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... mkdir resumed>) = 0 [pid 5028] <... close resumed>) = 0 [pid 6201] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(28 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6201] <... symlink resumed>) = 0 [pid 6197] close(16 [pid 6196] close(25 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] rmdir("./89"./strace-static-x86_64: Process 6202 attached [pid 6201] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] 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 6202] set_robust_list(0x55555580e6e0, 24 [pid 6201] <... symlink resumed>) = 0 [pid 6197] close(17 [pid 6196] close(26 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 190 [pid 5028] <... rmdir resumed>) = 0 [pid 6202] <... set_robust_list resumed>) = 0 [pid 6201] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6202] chdir("./94" [pid 6201] <... symlink resumed>) = 0 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] close(27 [pid 6195] <... write resumed>) = 335 [pid 5028] mkdir("./90", 0777 [pid 6202] <... chdir resumed>) = 0 [pid 6201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6197] close(18 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] exit_group(0 [pid 5028] <... mkdir resumed>) = 0 [pid 6202] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6201] <... openat resumed>) = 3 [pid 6198] <... futex resumed>) = ? [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] close(28 [pid 6195] <... exit_group resumed>) = ? [pid 6202] <... prctl resumed>) = 0 [pid 6201] write(3, "1000", 4 [pid 6197] close(19 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6203 attached [pid 6202] setpgid(0, 0 [pid 6201] <... write resumed>) = 4 [pid 6198] +++ exited with 0 +++ [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] set_robust_list(0x55555580e6e0, 24 [pid 6202] <... setpgid resumed>) = 0 [pid 6201] close(3 [pid 6197] close(20 [pid 6196] close(29 [pid 6195] +++ exited with 0 +++ [pid 6203] <... set_robust_list resumed>) = 0 [pid 6202] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6201] <... close resumed>) = 0 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 182 [pid 6203] chdir("./90" [pid 6202] <... symlink resumed>) = 0 [pid 6201] read(200, [pid 6197] close(21 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] <... chdir resumed>) = 0 [pid 6202] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6201] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] 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=182, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6203] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6202] <... symlink resumed>) = 0 [pid 6201] symlink("/dev/binderfs", "./binderfs" [pid 6197] 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 6203] <... prctl resumed>) = 0 [pid 6202] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6201] <... symlink resumed>) = 0 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] <... write resumed>) = 335 [pid 6203] setpgid(0, 0 [pid 6197] close(23 [pid 6202] <... symlink resumed>) = 0 [pid 6201] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] exit_group(0 [pid 6203] <... setpgid resumed>) = 0 [pid 6202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6201] <... futex resumed>) = 0 [pid 6199] <... futex resumed>) = ? [pid 6197] close(24 [pid 6196] <... exit_group resumed>) = ? [pid 5030] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6203] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6202] <... openat resumed>) = 3 [pid 6201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6199] +++ exited with 0 +++ [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6197] close(25 [pid 6203] <... symlink resumed>) = 0 [pid 6202] write(3, "1000", 4 [pid 6201] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6197] close(26 [pid 6203] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6201] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6202] <... write resumed>) = 4 [pid 6197] close(27 [pid 6196] +++ exited with 0 +++ [pid 6203] <... symlink resumed>) = 0 [pid 6202] close(3 [pid 6201] <... mprotect resumed>) = 0 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... openat resumed>) = 3 [pid 6197] close(28 [pid 5030] fstat(3, [pid 6203] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6202] <... close resumed>) = 0 [pid 6201] 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 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- ./strace-static-x86_64: Process 6204 attached [pid 6203] <... symlink resumed>) = 0 [pid 6202] read(200, [pid 6197] close(29 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 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 6204] set_robust_list(0x7f4e92bc39e0, 24 [pid 6203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6202] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6201] <... clone resumed>, parent_tid=[185], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 185 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] getdents64(3, [pid 6204] <... set_robust_list resumed>) = 0 [pid 6197] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6204] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6203] <... openat resumed>) = 3 [pid 6202] symlink("/dev/binderfs", "./binderfs" [pid 6201] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] <... write resumed>) = 335 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6197] exit_group(0 [pid 6204] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6202] <... symlink resumed>) = 0 [pid 6201] <... futex resumed>) = 0 [pid 6197] <... exit_group resumed>) = ? [pid 5030] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6204] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6204] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] <... futex resumed>) = ? [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6204] <... futex resumed>) = 0 [pid 6203] write(3, "1000", 4 [pid 6202] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6204] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6203] <... write resumed>) = 4 [pid 6202] <... futex resumed>) = 0 [pid 6201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6200] +++ exited with 0 +++ [pid 6197] +++ exited with 0 +++ [pid 5030] lstat("./90/binderfs", [pid 6203] close(3 [pid 6202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6201] close(3 [pid 5032] umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6203] <... close resumed>) = 0 [pid 6202] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] unlink("./90/binderfs" [pid 6203] read(200, [pid 6202] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6201] close(4 [pid 5032] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] <... unlink resumed>) = 0 [pid 6203] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6202] <... mprotect resumed>) = 0 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=196, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5032] <... openat resumed>) = 3 [pid 5030] umount2("./90/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6203] symlink("/dev/binderfs", "./binderfs" [pid 6202] 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 6201] close(5 [pid 5033] umount2("./97", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] fstat(3, [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6205 attached [pid 6203] <... symlink resumed>) = 0 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6205] set_robust_list(0x7f4e92bc39e0, 24 [pid 6203] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... clone resumed>, parent_tid=[191], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 191 [pid 6201] close(6 [pid 5033] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] lstat("./90/cgroup.net", [pid 6205] <... set_robust_list resumed>) = 0 [pid 6203] <... futex resumed>) = 0 [pid 6202] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... openat resumed>) = 3 [pid 5032] getdents64(3, [pid 6205] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5033] fstat(3, [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6205] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6203] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6202] <... futex resumed>) = 0 [pid 6201] close(7 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6205] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6202] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5032] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] unlink("./90/cgroup.net" [pid 6205] <... futex resumed>) = 0 [pid 6203] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6205] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6201] close(8 [pid 5033] umount2("./97/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6203] <... mprotect resumed>) = 0 [pid 6202] close(3 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] lstat("./94/binderfs", [pid 5030] <... unlink resumed>) = 0 [pid 6203] 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 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(9 [pid 5033] lstat("./97/binderfs", ./strace-static-x86_64: Process 6206 attached [pid 6202] close(4 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] umount2("./90/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6206] set_robust_list(0x7f4e92bc39e0, 24 [pid 6203] <... clone resumed>, parent_tid=[183], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 183 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(10 [pid 5033] unlink("./97/binderfs" [pid 5032] unlink("./94/binderfs" [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6206] <... set_robust_list resumed>) = 0 [pid 6203] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] close(5 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5030] lstat("./90/cgroup.cpu", [pid 6206] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6203] <... futex resumed>) = 0 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(11 [pid 5033] umount2("./97/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] umount2("./94/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6206] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6203] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6202] close(6 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] unlink("./90/cgroup.cpu" [pid 6206] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(12 [pid 5033] lstat("./97/cgroup.net", [pid 5032] lstat("./94/cgroup.net", [pid 5030] <... unlink resumed>) = 0 [pid 6206] <... futex resumed>) = 1 [pid 6203] <... futex resumed>) = 0 [pid 6202] close(7 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] umount2("./90/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6206] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6203] close(3 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(13 [pid 5033] unlink("./97/cgroup.net" [pid 5032] unlink("./94/cgroup.net" [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5030] lstat("./90/cgroup", [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] close(8 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./97/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] umount2("./94/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] unlink("./90/cgroup" [pid 6203] close(4 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(14 [pid 5033] lstat("./97/cgroup.cpu", [pid 5032] lstat("./94/cgroup.cpu", [pid 5030] <... unlink resumed>) = 0 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] close(9 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] getdents64(3, [pid 6203] close(5 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(15 [pid 5033] unlink("./97/cgroup.cpu" [pid 5032] unlink("./94/cgroup.cpu" [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] close(10 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5030] close(3 [pid 6203] close(6 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(16 [pid 5033] umount2("./97/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] umount2("./94/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... close resumed>) = 0 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] close(11 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] rmdir("./90" [pid 6203] close(7 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(17 [pid 5033] lstat("./97/cgroup", [pid 5032] lstat("./94/cgroup", [pid 5030] <... rmdir resumed>) = 0 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] close(12 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] mkdir("./91", 0777 [pid 6201] close(18 [pid 5033] unlink("./97/cgroup" [pid 5032] unlink("./94/cgroup" [pid 5030] <... mkdir resumed>) = 0 [pid 6203] close(8 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6207 attached [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] close(13 [pid 6201] close(19 [pid 5033] getdents64(3, [pid 5032] getdents64(3, [pid 6203] close(9 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] set_robust_list(0x55555580e6e0, 24 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 184 [pid 6207] <... set_robust_list resumed>) = 0 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] close(14 [pid 6201] close(20 [pid 5033] close(3 [pid 5032] close(3 [pid 6207] chdir("./91" [pid 6203] close(10 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = 0 [pid 5032] <... close resumed>) = 0 [pid 6207] <... chdir resumed>) = 0 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] close(15 [pid 6201] close(21 [pid 5033] rmdir("./97" [pid 5032] rmdir("./94" [pid 6203] close(11 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... rmdir resumed>) = 0 [pid 5032] <... rmdir resumed>) = 0 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] close(16 [pid 6207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6201] close(22 [pid 5033] mkdir("./98", 0777 [pid 5032] mkdir("./95", 0777 [pid 6207] <... prctl resumed>) = 0 [pid 6203] close(12 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... mkdir resumed>) = 0 [pid 5032] <... mkdir resumed>) = 0 [pid 6207] setpgid(0, 0 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] close(17 [pid 6201] close(23 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6207] <... setpgid resumed>) = 0 [pid 6203] close(13 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] close(18./strace-static-x86_64: Process 6209 attached ./strace-static-x86_64: Process 6208 attached [pid 6203] close(14 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(24 [pid 6208] set_robust_list(0x55555580e6e0, 24 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] set_robust_list(0x55555580e6e0, 24 [pid 6207] <... symlink resumed>) = 0 [pid 6202] close(19 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 198 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 192 [pid 6209] <... set_robust_list resumed>) = 0 [pid 6208] <... set_robust_list resumed>) = 0 [pid 6207] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6203] close(15 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(25 [pid 6209] chdir("./98" [pid 6208] chdir("./95" [pid 6207] <... symlink resumed>) = 0 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] close(20 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] <... chdir resumed>) = 0 [pid 6208] <... chdir resumed>) = 0 [pid 6207] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6203] close(16 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(26 [pid 6209] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6208] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6207] <... symlink resumed>) = 0 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] close(21 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] <... prctl resumed>) = 0 [pid 6208] <... prctl resumed>) = 0 [pid 6207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6203] close(17 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(27 [pid 6209] setpgid(0, 0 [pid 6208] setpgid(0, 0 [pid 6207] <... openat resumed>) = 3 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] close(22 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] <... setpgid resumed>) = 0 [pid 6208] <... setpgid resumed>) = 0 [pid 6207] write(3, "1000", 4 [pid 6203] close(18 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(28 [pid 6209] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6208] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6207] <... write resumed>) = 4 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] close(23 [pid 6201] <... 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 6209] <... symlink resumed>) = 0 [pid 6208] <... symlink resumed>) = 0 [pid 6203] close(19 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(29 [pid 6209] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6208] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6207] close(3 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] close(24 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] <... symlink resumed>) = 0 [pid 6208] <... symlink resumed>) = 0 [pid 6207] <... close resumed>) = 0 [pid 6203] close(20 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6209] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6208] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6207] read(200, [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] close(25 [pid 6201] <... write resumed>) = 335 [pid 6209] <... symlink resumed>) = 0 [pid 6208] <... symlink resumed>) = 0 [pid 6207] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6203] close(21 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] exit_group(0 [pid 6209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6207] symlink("/dev/binderfs", "./binderfs" [pid 6204] <... futex resumed>) = ? [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] close(26 [pid 6201] <... exit_group resumed>) = ? [pid 6209] <... openat resumed>) = 3 [pid 6208] <... openat resumed>) = 3 [pid 6207] <... symlink resumed>) = 0 [pid 6204] +++ exited with 0 +++ [pid 6203] close(22 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] +++ exited with 0 +++ [pid 6209] write(3, "1000", 4 [pid 6208] write(3, "1000", 4 [pid 6207] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] close(27 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=184, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6209] <... write resumed>) = 4 [pid 6208] <... write resumed>) = 4 [pid 6207] <... futex resumed>) = 0 [pid 6203] close(23 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] close(3 [pid 6208] close(3 [pid 6207] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] close(28 [pid 6209] <... close resumed>) = 0 [pid 6208] <... close resumed>) = 0 [pid 6207] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6203] close(24 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6209] read(200, [pid 6208] read(200, [pid 6207] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] close(29 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6209] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6208] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6207] <... mprotect resumed>) = 0 [pid 6203] close(25 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6209] 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 6208] symlink("/dev/binderfs", "./binderfs" [pid 6207] 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 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5029] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6210 attached [pid 6209] <... symlink resumed>) = 0 [pid 6208] <... symlink resumed>) = 0 [pid 6203] close(26 [pid 6202] <... write resumed>) = 335 [pid 5029] fstat(3, [pid 6210] set_robust_list(0x7f4e92bc39e0, 24 [pid 6209] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] <... clone resumed>, parent_tid=[185], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 185 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] exit_group(0 [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6210] <... set_robust_list resumed>) = 0 [pid 6209] <... futex resumed>) = 0 [pid 6208] <... futex resumed>) = 0 [pid 6207] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] <... futex resumed>) = ? [pid 6203] close(27 [pid 6202] <... exit_group resumed>) = ? [pid 5029] getdents64(3, [pid 6210] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6208] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6207] <... futex resumed>) = 0 [pid 6205] +++ exited with 0 +++ [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] +++ exited with 0 +++ [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6210] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6209] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6208] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6207] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6203] close(28 [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5029] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6210] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6208] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6210] <... futex resumed>) = 0 [pid 6209] <... mprotect resumed>) = 0 [pid 6208] <... mprotect resumed>) = 0 [pid 6203] close(29 [pid 5029] lstat("./91/binderfs", [pid 6210] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6209] 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 6208] 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 6207] close(3 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./94", 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] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 6212 attached ./strace-static-x86_64: Process 6211 attached [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] 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 5029] unlink("./91/binderfs" [pid 6212] set_robust_list(0x7f4e92bc39e0, 24 [pid 6211] set_robust_list(0x7f4e92bc39e0, 24 [pid 6209] <... clone resumed>, parent_tid=[199], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 199 [pid 6208] <... clone resumed>, parent_tid=[193], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 193 [pid 6207] close(4 [pid 6203] <... write resumed>) = 335 [pid 5031] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... unlink resumed>) = 0 [pid 6212] <... set_robust_list resumed>) = 0 [pid 6211] <... set_robust_list resumed>) = 0 [pid 6209] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] exit_group(0 [pid 5031] <... openat resumed>) = 3 [pid 5029] umount2("./91/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6212] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6211] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6209] <... futex resumed>) = 0 [pid 6208] <... futex resumed>) = 0 [pid 6203] <... exit_group resumed>) = ? [pid 6207] close(5 [pid 5031] fstat(3, [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6206] <... futex resumed>) = ? [pid 6212] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6211] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6209] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6208] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] lstat("./91/cgroup.net", [pid 6211] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5031] getdents64(3, [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6212] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] <... futex resumed>) = 0 [pid 6209] close(3 [pid 6207] close(6 [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] unlink("./91/cgroup.net" [pid 6212] <... futex resumed>) = 1 [pid 6211] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] <... futex resumed>) = 0 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] +++ exited with 0 +++ [pid 6203] +++ exited with 0 +++ [pid 5031] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... unlink resumed>) = 0 [pid 6212] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6209] close(4 [pid 6208] close(3 [pid 6207] close(7 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./91/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=182, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./94/binderfs", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] restart_syscall(<... resuming interrupted clone ...> [pid 6209] close(5 [pid 6208] close(4 [pid 6207] close(8 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] lstat("./91/cgroup.cpu", [pid 5028] <... restart_syscall resumed>) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./94/binderfs" [pid 6209] close(6 [pid 6208] close(5 [pid 6207] close(9 [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./94/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./91/cgroup.cpu" [pid 6209] close(7 [pid 6208] close(6 [pid 6207] close(10 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 5028] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./94/cgroup.net", [pid 5029] umount2("./91/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6209] close(8 [pid 6208] close(7 [pid 6207] close(11 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./94/cgroup.net" [pid 5029] lstat("./91/cgroup", [pid 5028] <... openat resumed>) = 3 [pid 6209] close(9 [pid 6208] close(8 [pid 6207] close(12 [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] fstat(3, [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./94/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./91/cgroup" [pid 6208] close(9 [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6209] close(10 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] close(13 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(10 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./94/cgroup.cpu", [pid 5028] getdents64(3, [pid 6209] close(11 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] close(14 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] getdents64(3, [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(11 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./94/cgroup.cpu" [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6209] close(12 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] close(15 [pid 5031] <... unlink resumed>) = 0 [pid 5029] close(3 [pid 5028] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(12 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./94/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... close resumed>) = 0 [pid 6209] close(13 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] close(16 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] rmdir("./91" [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(13 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./94/cgroup", [pid 6209] close(14 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] close(17 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] <... rmdir resumed>) = 0 [pid 5028] lstat("./90/binderfs", [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(14 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./94/cgroup" [pid 5029] mkdir("./92", 0777 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6209] close(15 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] close(18 [pid 5031] <... unlink resumed>) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(15 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] getdents64(3, [pid 5029] <... mkdir resumed>) = 0 [pid 5028] unlink("./90/binderfs" [pid 6209] close(16 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] close(19 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] <... unlink resumed>) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(16 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] close(3 [pid 6209] close(17 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] close(20 [pid 5031] <... close resumed>) = 0 [pid 5028] umount2("./90/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6213 attached [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(17 [pid 6213] set_robust_list(0x55555580e6e0, 24 [pid 6209] close(18 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] rmdir("./94" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6213] <... set_robust_list resumed>) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(18 [pid 6207] close(21 [pid 5031] <... rmdir resumed>) = 0 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 186 [pid 5028] lstat("./90/cgroup.net", [pid 6213] chdir("./92" [pid 6209] close(19 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] <... chdir resumed>) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(19 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] mkdir("./95", 0777 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6213] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6209] close(20 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] close(22 [pid 6213] <... prctl resumed>) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(20 [pid 5031] <... mkdir resumed>) = 0 [pid 6213] setpgid(0, 0 [pid 6209] close(21 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] <... setpgid resumed>) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(21 [pid 6213] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6209] close(22 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] unlink("./90/cgroup.net" [pid 6213] <... symlink resumed>) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(22 [pid 6207] close(23 [pid 6213] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6209] close(23 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] <... symlink resumed>) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(23 [pid 6213] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6209] close(24 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6214 attached [pid 6213] <... symlink resumed>) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(24 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... unlink resumed>) = 0 [pid 6214] set_robust_list(0x55555580e6e0, 24 [pid 6213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6209] close(25 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] close(24 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 192 [pid 5028] umount2("./90/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6214] <... set_robust_list resumed>) = 0 [pid 6213] <... openat resumed>) = 3 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(25 [pid 6214] chdir("./95" [pid 6213] write(3, "1000", 4 [pid 6209] close(26 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6214] <... chdir resumed>) = 0 [pid 6213] <... write resumed>) = 4 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(26 [pid 6207] close(25 [pid 6214] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6213] close(3 [pid 6209] close(27 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] lstat("./90/cgroup.cpu", [pid 6214] <... prctl resumed>) = 0 [pid 6213] <... close resumed>) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(27 [pid 6214] setpgid(0, 0 [pid 6213] read(200, [pid 6209] close(28 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] <... setpgid resumed>) = 0 [pid 6213] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(28 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6214] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6213] symlink("/dev/binderfs", "./binderfs" [pid 6209] close(29 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] close(26 [pid 6214] <... symlink resumed>) = 0 [pid 6213] <... symlink resumed>) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(29 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] unlink("./90/cgroup.cpu" [pid 6214] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu"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 6213] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] <... symlink resumed>) = 0 [pid 6213] <... futex resumed>) = 0 [pid 6209] <... write resumed>) = 335 [pid 6207] close(27 [pid 5028] <... unlink resumed>) = 0 [pid 6214] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6213] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6209] exit_group(0 [pid 6208] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6207] <... 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] umount2("./90/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6214] <... symlink resumed>) = 0 [pid 6213] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6211] <... futex resumed>) = ? [pid 6209] <... exit_group resumed>) = ? [pid 6208] <... write resumed>) = 335 [pid 6207] close(28 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6213] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6211] +++ exited with 0 +++ [pid 6208] exit_group(0 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] lstat("./90/cgroup", [pid 6214] <... openat resumed>) = 3 [pid 6213] <... mprotect resumed>) = 0 [pid 6212] <... futex resumed>) = ? [pid 6208] <... exit_group resumed>) = ? [pid 6207] close(29 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6214] write(3, "1000", 4 [pid 6212] +++ exited with 0 +++ [pid 6207] <... 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] unlink("./90/cgroup" [pid 6207] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5028] <... unlink resumed>) = 0 [pid 6207] <... write resumed>) = 335 [pid 5028] getdents64(3, [pid 6214] <... write resumed>) = 4 [pid 6213] 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 6207] exit_group(0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6215 attached [pid 6214] close(3 [pid 6210] <... futex resumed>) = ? [pid 6208] +++ exited with 0 +++ [pid 6207] <... exit_group resumed>) = ? [pid 5028] close(3 [pid 6215] set_robust_list(0x7f4e92bc39e0, 24 [pid 6214] <... close resumed>) = 0 [pid 6213] <... clone resumed>, parent_tid=[187], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 187 [pid 6210] +++ exited with 0 +++ [pid 6209] +++ exited with 0 +++ [pid 6215] <... set_robust_list resumed>) = 0 [pid 6214] read(200, [pid 6213] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] +++ exited with 0 +++ [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=192, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5028] <... close resumed>) = 0 [pid 6215] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6214] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6213] <... futex resumed>) = 0 [pid 5028] rmdir("./90" [pid 6215] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6214] symlink("/dev/binderfs", "./binderfs" [pid 6213] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=184, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5028] <... rmdir resumed>) = 0 [pid 6215] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] <... symlink resumed>) = 0 [pid 6213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5032] umount2("./95", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] restart_syscall(<... resuming interrupted clone ...> [pid 5028] mkdir("./91", 0777 [pid 6215] <... futex resumed>) = 0 [pid 6214] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] close(3 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... restart_syscall resumed>) = 0 [pid 5028] <... mkdir resumed>) = 0 [pid 6215] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6214] <... futex resumed>) = 0 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./98", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6213] close(4 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6216 attached [pid 6214] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] fstat(3, [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 184 [pid 6213] close(5 [pid 5033] <... openat resumed>) = 3 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6216] set_robust_list(0x55555580e6e0, 24 [pid 6214] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 5032] getdents64(3, [pid 5030] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6216] <... set_robust_list resumed>) = 0 [pid 6214] <... mprotect resumed>) = 0 [pid 6213] close(6 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6216] chdir("./91" [pid 6214] 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 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5032] umount2("./95/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6217 attached [pid 6216] <... chdir resumed>) = 0 [pid 6213] close(7 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6217] set_robust_list(0x7f4e92bc39e0, 24 [pid 6216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6214] <... clone resumed>, parent_tid=[193], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 193 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./98/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] lstat("./95/binderfs", [pid 6217] <... set_robust_list resumed>) = 0 [pid 6216] <... prctl resumed>) = 0 [pid 6214] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] close(8 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] <... openat resumed>) = 3 [pid 6217] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6216] setpgid(0, 0 [pid 6214] <... futex resumed>) = 0 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./98/binderfs", [pid 5032] unlink("./95/binderfs" [pid 6217] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6216] <... setpgid resumed>) = 0 [pid 6214] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6213] close(9 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5030] fstat(3, [pid 6217] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./98/binderfs" [pid 5032] umount2("./95/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6217] <... futex resumed>) = 0 [pid 6216] <... symlink resumed>) = 0 [pid 6214] close(3 [pid 6213] close(10 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6217] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6216] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./98/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] lstat("./95/cgroup.net", [pid 5030] getdents64(3, [pid 6216] <... symlink resumed>) = 0 [pid 6214] close(4 [pid 6213] close(11 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6216] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./98/cgroup.net", [pid 5032] unlink("./95/cgroup.net" [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6216] <... symlink resumed>) = 0 [pid 6214] close(5 [pid 6213] close(12 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 6216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./98/cgroup.net" [pid 5032] umount2("./95/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6216] <... openat resumed>) = 3 [pid 6213] close(13 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./98/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] lstat("./95/cgroup.cpu", [pid 6216] write(3, "1000", 4 [pid 6214] close(6 [pid 6213] close(14 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6216] <... write resumed>) = 4 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./98/cgroup.cpu", [pid 5032] unlink("./95/cgroup.cpu" [pid 6216] close(3 [pid 6214] close(7 [pid 6213] close(15 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5030] lstat("./91/binderfs", [pid 6216] <... close resumed>) = 0 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./98/cgroup.cpu" [pid 5032] umount2("./95/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6216] read(200, [pid 6214] close(8 [pid 6213] close(16 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6216] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./98/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] lstat("./95/cgroup", [pid 6216] symlink("/dev/binderfs", "./binderfs" [pid 6214] close(9 [pid 6213] close(17 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] unlink("./91/binderfs" [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./98/cgroup", [pid 5032] unlink("./95/cgroup" [pid 6216] <... symlink resumed>) = 0 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] close(18 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 6216] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] close(10 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./98/cgroup" [pid 5032] getdents64(3, [pid 5030] umount2("./91/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6216] <... futex resumed>) = 0 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] close(19 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6214] close(11 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5032] close(3 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6216] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] close(20 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] <... close resumed>) = 0 [pid 6216] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6214] close(12 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5032] rmdir("./95" [pid 5030] lstat("./91/cgroup.net", [pid 6216] <... mprotect resumed>) = 0 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] close(21 [pid 5033] <... close resumed>) = 0 [pid 5032] <... rmdir resumed>) = 0 [pid 6214] close(13 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] rmdir("./98" [pid 5032] mkdir("./96", 0777 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6216] 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 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] close(22 [pid 5033] <... rmdir resumed>) = 0 [pid 5032] <... mkdir resumed>) = 0 [pid 5030] unlink("./91/cgroup.net"./strace-static-x86_64: Process 6218 attached [pid 6214] close(14 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./99", 0777 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6219 attached [pid 6218] set_robust_list(0x7f4e92bc39e0, 24 [pid 6216] <... clone resumed>, parent_tid=[185], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 185 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] close(23 [pid 5033] <... mkdir resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 6219] set_robust_list(0x55555580e6e0, 24 [pid 6218] <... set_robust_list resumed>) = 0 [pid 6216] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] close(15 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 194 ./strace-static-x86_64: Process 6220 attached [pid 6219] <... set_robust_list resumed>) = 0 [pid 6218] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6216] <... futex resumed>) = 0 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] close(24 [pid 5030] umount2("./91/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6220] set_robust_list(0x55555580e6e0, 24 [pid 6219] chdir("./96" [pid 6218] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6216] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6214] close(16 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 200 [pid 6220] <... set_robust_list resumed>) = 0 [pid 6219] <... chdir resumed>) = 0 [pid 6218] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] close(25 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6220] chdir("./99" [pid 6219] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6218] <... futex resumed>) = 0 [pid 6216] close(3 [pid 6214] close(17 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./91/cgroup.cpu", [pid 6220] <... chdir resumed>) = 0 [pid 6219] <... prctl resumed>) = 0 [pid 6218] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] close(26 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6219] setpgid(0, 0 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... prctl resumed>) = 0 [pid 6219] <... setpgid resumed>) = 0 [pid 6216] close(4 [pid 6214] close(18 [pid 6213] close(27 [pid 5030] unlink("./91/cgroup.cpu" [pid 6219] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... symlink resumed>) = 0 [pid 6213] close(28 [pid 5030] <... unlink resumed>) = 0 [pid 6219] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./91/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6220] setpgid(0, 0 [pid 6219] <... symlink resumed>) = 0 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] 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 6220] <... setpgid resumed>) = 0 [pid 6219] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6216] close(5 [pid 6214] close(19 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6220] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6219] <... symlink resumed>) = 0 [pid 6213] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6220] <... symlink resumed>) = 0 [pid 6219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] <... write resumed>) = 335 [pid 5030] lstat("./91/cgroup", [pid 6220] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6219] <... openat resumed>) = 3 [pid 6216] close(6 [pid 6214] close(20 [pid 6213] exit_group(0 [pid 6220] <... symlink resumed>) = 0 [pid 6219] write(3, "1000", 4 [pid 6215] <... futex resumed>) = ? [pid 6213] <... exit_group resumed>) = ? [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6219] <... write resumed>) = 4 [pid 6216] close(7 [pid 6215] +++ exited with 0 +++ [pid 6213] +++ exited with 0 +++ [pid 6219] close(3 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] close(21 [pid 5030] unlink("./91/cgroup" [pid 6220] <... symlink resumed>) = 0 [pid 6219] <... close resumed>) = 0 [pid 6216] close(8 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6219] read(200, [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] close(22 [pid 5030] getdents64(3, [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6220] <... openat resumed>) = 3 [pid 6219] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6216] close(9 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6219] symlink("/dev/binderfs", "./binderfs" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6220] write(3, "1000", 4 [pid 6219] <... symlink resumed>) = 0 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] close(23 [pid 5030] close(3 [pid 5029] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6220] <... write resumed>) = 4 [pid 6219] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] close(10 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = 0 [pid 5029] <... openat resumed>) = 3 [pid 6220] close(3 [pid 6219] <... futex resumed>) = 0 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] close(24 [pid 5030] rmdir("./91" [pid 5029] fstat(3, [pid 6220] <... close resumed>) = 0 [pid 6219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6216] close(11 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... rmdir resumed>) = 0 [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6220] read(200, [pid 6219] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] close(25 [pid 5029] getdents64(3, [pid 6220] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6219] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6216] close(12 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] mkdir("./92", 0777 [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6220] symlink("/dev/binderfs", "./binderfs" [pid 6219] <... mprotect resumed>) = 0 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] close(26 [pid 5030] <... mkdir resumed>) = 0 [pid 5029] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6220] <... symlink resumed>) = 0 [pid 6219] 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 6216] close(13 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] 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 6221 attached [pid 6220] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] lstat("./92/binderfs", ./strace-static-x86_64: Process 6222 attached [pid 6221] set_robust_list(0x7f4e92bc39e0, 24 [pid 6220] <... futex resumed>) = 0 [pid 6216] close(14 [pid 6214] close(27 [pid 6222] set_robust_list(0x55555580e6e0, 24 [pid 6221] <... set_robust_list resumed>) = 0 [pid 6220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6219] <... clone resumed>, parent_tid=[195], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 195 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 186 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6222] <... set_robust_list resumed>) = 0 [pid 6221] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6220] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6219] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] close(15 [pid 6214] close(28 [pid 6222] chdir("./92" [pid 6221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6220] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6219] <... futex resumed>) = 0 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] unlink("./92/binderfs" [pid 6222] <... chdir resumed>) = 0 [pid 6220] <... mprotect resumed>) = 0 [pid 6216] close(16 [pid 6214] close(29 [pid 6222] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6221] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6220] 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 6219] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] <... 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 6223 attached [pid 6222] <... prctl resumed>) = 0 [pid 6221] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6216] close(17 [pid 6214] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5029] <... unlink resumed>) = 0 [pid 6223] set_robust_list(0x7f4e92bc39e0, 24 [pid 6222] setpgid(0, 0 [pid 6221] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] <... clone resumed>, parent_tid=[201], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 201 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] <... write resumed>) = 335 [pid 6222] <... setpgid resumed>) = 0 [pid 6220] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] close(18 [pid 6214] exit_group(0 [pid 6223] <... set_robust_list resumed>) = 0 [pid 6222] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6221] <... futex resumed>) = 1 [pid 6220] <... futex resumed>) = 0 [pid 6219] <... futex resumed>) = 0 [pid 6217] <... futex resumed>) = ? [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] <... exit_group resumed>) = ? [pid 5029] umount2("./92/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6223] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6222] <... symlink resumed>) = 0 [pid 6221] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6220] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6219] close(3 [pid 6217] +++ exited with 0 +++ [pid 6216] close(19 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6223] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] lstat("./92/cgroup.net", [pid 6223] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6219] close(4 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] +++ exited with 0 +++ [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6223] <... futex resumed>) = 0 [pid 6222] <... symlink resumed>) = 0 [pid 6220] close(3 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=192, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6216] close(20 [pid 5029] unlink("./92/cgroup.net" [pid 6223] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6222] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(5 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... unlink resumed>) = 0 [pid 6222] <... symlink resumed>) = 0 [pid 6220] close(4 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] close(21 [pid 6222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(6 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] umount2("./92/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6222] <... openat resumed>) = 3 [pid 6220] close(5 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] close(22 [pid 5031] umount2("./95", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6222] write(3, "1000", 4 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(7 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6222] <... write resumed>) = 4 [pid 6220] close(6 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] close(23 [pid 5031] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6222] close(3 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(8 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] lstat("./92/cgroup.cpu", [pid 6222] <... close resumed>) = 0 [pid 6220] close(7 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] close(24 [pid 5031] <... openat resumed>) = 3 [pid 6222] read(200, [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(9 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6220] close(8 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] close(25 [pid 6222] symlink("/dev/binderfs", "./binderfs" [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(10 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] <... symlink resumed>) = 0 [pid 6220] close(9 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] close(26 [pid 5031] fstat(3, [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6222] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(11 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] <... futex resumed>) = 0 [pid 6220] close(10 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] close(27 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] unlink("./92/cgroup.cpu" [pid 6222] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(12 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6220] close(11 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] close(28 [pid 5031] getdents64(3, [pid 5029] <... unlink resumed>) = 0 [pid 6222] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(13 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] <... mprotect resumed>) = 0 [pid 6220] close(12 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] close(29 [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] umount2("./92/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6222] 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 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(14 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6224 attached [pid 6220] close(13 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] umount2("./95/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6224] set_robust_list(0x7f4e92bc39e0, 24 [pid 6222] <... clone resumed>, parent_tid=[187], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 187 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(15 [pid 6216] <... write resumed>) = 335 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6224] <... set_robust_list resumed>) = 0 [pid 6222] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] close(14 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] exit_group(0 [pid 5031] lstat("./95/binderfs", [pid 5029] lstat("./92/cgroup", [pid 6224] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6222] <... futex resumed>) = 0 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(16 [pid 6216] <... exit_group resumed>) = ? [pid 6224] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6222] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6220] close(15 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(17 [pid 6218] <... futex resumed>) = ? [pid 6224] <... futex resumed>) = 0 [pid 6222] close(3 [pid 6220] close(16 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6224] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(18 [pid 6222] close(4 [pid 6220] close(17 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(19 [pid 6222] close(5 [pid 6220] close(18 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./95/binderfs" [pid 5029] unlink("./92/cgroup" [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(20 [pid 6222] close(6 [pid 6220] close(19 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(21 [pid 6222] close(7 [pid 6220] close(20 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(22 [pid 6218] +++ exited with 0 +++ [pid 6216] +++ exited with 0 +++ [pid 5031] umount2("./95/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6222] close(8 [pid 6220] close(21 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] getdents64(3, [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(23 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=184, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6222] close(9 [pid 6220] close(22 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./95/cgroup.net", [pid 5029] close(3 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(24 [pid 5029] <... close resumed>) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6222] close(10 [pid 6220] close(23 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] rmdir("./92" [pid 5028] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] unlink("./95/cgroup.net" [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(25 [pid 5029] <... rmdir resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6222] close(11 [pid 6220] close(24 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5029] mkdir("./93", 0777 [pid 5028] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(26 [pid 5031] umount2("./95/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... mkdir resumed>) = 0 [pid 5028] <... openat resumed>) = 3 [pid 6222] close(12 [pid 6220] close(25 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] fstat(3, [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(27 [pid 5031] lstat("./95/cgroup.cpu", [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6222] close(13 [pid 6220] close(26 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] getdents64(3, ./strace-static-x86_64: Process 6225 attached [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(28 [pid 5031] unlink("./95/cgroup.cpu" [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6225] set_robust_list(0x55555580e6e0, 24 [pid 6222] close(14 [pid 6220] close(27 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 188 [pid 5028] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6225] <... set_robust_list resumed>) = 0 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(29 [pid 5031] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6225] chdir("./93" [pid 6222] close(15 [pid 6220] close(28 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./95/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] lstat("./91/binderfs", [pid 6225] <... chdir 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 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] 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 6225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6222] close(16 [pid 6220] close(29 [pid 6219] <... write resumed>) = 335 [pid 5031] lstat("./95/cgroup", [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6225] <... prctl resumed>) = 0 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] exit_group(0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] unlink("./91/binderfs" [pid 6225] 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 6222] close(17 [pid 6221] <... futex resumed>) = ? [pid 6220] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6219] <... exit_group resumed>) = ? [pid 5031] unlink("./95/cgroup" [pid 5028] <... unlink resumed>) = 0 [pid 6225] <... setpgid resumed>) = 0 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6221] +++ exited with 0 +++ [pid 6220] <... write resumed>) = 335 [pid 6219] +++ exited with 0 +++ [pid 5031] <... unlink resumed>) = 0 [pid 5028] umount2("./91/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6225] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6222] close(18 [pid 6220] exit_group(0 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5031] getdents64(3, [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6225] <... symlink resumed>) = 0 [pid 6223] <... futex resumed>) = ? [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... exit_group resumed>) = ? [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] lstat("./91/cgroup.net", [pid 6225] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6223] +++ exited with 0 +++ [pid 6222] close(19 [pid 5031] close(3 [pid 6225] <... symlink resumed>) = 0 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... close resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6225] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6222] close(20 [pid 5031] rmdir("./95" [pid 6225] <... symlink resumed>) = 0 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] +++ exited with 0 +++ [pid 5031] <... rmdir resumed>) = 0 [pid 5028] unlink("./91/cgroup.net" [pid 6225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5031] mkdir("./96", 0777 [pid 6225] <... openat resumed>) = 3 [pid 6222] close(21 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=200, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5032] umount2("./96", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... mkdir resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6225] write(3, "1000", 4 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] restart_syscall(<... resuming interrupted clone ...> [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6226 attached [pid 6225] <... write resumed>) = 4 [pid 6222] close(22 [pid 5033] <... restart_syscall resumed>) = 0 [pid 5032] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] umount2("./91/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6226] set_robust_list(0x55555580e6e0, 24 [pid 6225] close(3 [pid 6226] <... set_robust_list resumed>) = 0 [pid 6225] <... close resumed>) = 0 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 194 [pid 6226] chdir("./96" [pid 6225] read(200, [pid 5033] umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... openat resumed>) = 3 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6226] <... chdir resumed>) = 0 [pid 6225] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6222] close(23 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6226] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6225] symlink("/dev/binderfs", "./binderfs" [pid 5033] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] fstat(3, [pid 5028] lstat("./91/cgroup.cpu", [pid 6226] <... prctl resumed>) = 0 [pid 6225] <... symlink resumed>) = 0 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... openat resumed>) = 3 [pid 6226] setpgid(0, 0 [pid 6225] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] fstat(3, [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6226] <... setpgid resumed>) = 0 [pid 6225] <... futex resumed>) = 0 [pid 6222] close(24 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6226] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6225] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5033] getdents64(3, [pid 5032] getdents64(3, [pid 6226] <... symlink resumed>) = 0 [pid 6225] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] unlink("./91/cgroup.cpu" [pid 6226] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6225] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6222] close(25 [pid 5033] umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6226] <... symlink resumed>) = 0 [pid 6225] <... mprotect resumed>) = 0 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] umount2("./96/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 [pid 6226] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6225] 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 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./99/binderfs", ./strace-static-x86_64: Process 6227 attached [pid 6226] <... symlink resumed>) = 0 [pid 6222] close(26 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./91/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6227] set_robust_list(0x7f4e92bc39e0, 24 [pid 6226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6225] <... clone resumed>, parent_tid=[189], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 189 [pid 5033] unlink("./99/binderfs" [pid 6226] <... openat resumed>) = 3 [pid 6225] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] <... unlink resumed>) = 0 [pid 6226] write(3, "1000", 4 [pid 6225] <... futex resumed>) = 0 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./99/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6226] <... write resumed>) = 4 [pid 6225] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6226] close(3 [pid 5033] lstat("./99/cgroup.net", [pid 6227] <... set_robust_list resumed>) = 0 [pid 6226] <... close resumed>) = 0 [pid 6222] close(27 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] lstat("./96/binderfs", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6227] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6226] read(200, [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./99/cgroup.net" [pid 6227] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6226] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6222] close(28 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] lstat("./91/cgroup", [pid 6227] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] 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 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5032] unlink("./96/binderfs" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6227] <... futex resumed>) = 1 [pid 6226] <... symlink resumed>) = 0 [pid 6225] <... futex resumed>) = 0 [pid 6222] close(29 [pid 5033] umount2("./99/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6227] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6226] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] close(3 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... unlink resumed>) = 0 [pid 5028] unlink("./91/cgroup" [pid 6226] <... futex resumed>) = 0 [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] lstat("./99/cgroup.cpu", [pid 5032] umount2("./96/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6225] close(4 [pid 6222] <... write resumed>) = 335 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6226] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] exit_group(0 [pid 5033] unlink("./99/cgroup.cpu" [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] getdents64(3, [pid 6226] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6225] close(5 [pid 6224] <... futex resumed>) = ? [pid 6222] <... exit_group resumed>) = ? [pid 5033] <... unlink resumed>) = 0 [pid 6226] <... mprotect resumed>) = 0 [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] +++ exited with 0 +++ [pid 5033] umount2("./99/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] lstat("./96/cgroup.net", [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6226] 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 6225] close(6 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6228 attached [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./99/cgroup", [pid 6228] set_robust_list(0x7f4e92bc39e0, 24 [pid 6226] <... clone resumed>, parent_tid=[195], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 195 [pid 6225] close(7 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] unlink("./96/cgroup.net" [pid 5028] close(3 [pid 6228] <... set_robust_list resumed>) = 0 [pid 6226] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./99/cgroup" [pid 6228] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6226] <... futex resumed>) = 0 [pid 6225] close(8 [pid 6222] +++ exited with 0 +++ [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5028] <... close resumed>) = 0 [pid 6228] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6226] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5028] rmdir("./91" [pid 6228] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6225] close(9 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] umount2("./96/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6228] <... futex resumed>) = 0 [pid 6226] close(3 [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5028] <... rmdir resumed>) = 0 [pid 6228] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] close(10 [pid 5033] <... close resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6226] close(4 [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] rmdir("./99" [pid 5028] mkdir("./92", 0777 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] close(11 [pid 5033] <... rmdir resumed>) = 0 [pid 5032] lstat("./96/cgroup.cpu", [pid 6226] close(5 [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./100", 0777 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... mkdir resumed>) = 0 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] close(12 [pid 5033] <... mkdir resumed>) = 0 [pid 5032] unlink("./96/cgroup.cpu" [pid 6226] close(6 [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] 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./strace-static-x86_64: Process 6230 attached ./strace-static-x86_64: Process 6229 attached [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] close(13 [pid 5032] <... unlink resumed>) = 0 [pid 5030] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6230] set_robust_list(0x55555580e6e0, 24 [pid 6229] set_robust_list(0x55555580e6e0, 24 [pid 6226] close(7 [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 202 [pid 5032] umount2("./96/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6229] <... set_robust_list resumed>) = 0 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] close(14 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 186 [pid 6229] chdir("./100" [pid 6226] close(8 [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... chdir resumed>) = 0 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] close(15 [pid 6229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6226] close(9 [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6229] <... prctl resumed>) = 0 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] close(16 [pid 6230] <... set_robust_list resumed>) = 0 [pid 6229] setpgid(0, 0 [pid 6226] close(10 [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./96/cgroup", [pid 5030] <... openat resumed>) = 3 [pid 6229] <... setpgid resumed>) = 0 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] close(17 [pid 6230] chdir("./92" [pid 6229] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6226] close(11 [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5030] fstat(3, [pid 6230] <... chdir resumed>) = 0 [pid 6229] <... symlink resumed>) = 0 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] close(18 [pid 5032] unlink("./96/cgroup" [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6229] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6226] close(12 [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 6230] <... prctl resumed>) = 0 [pid 6229] <... symlink resumed>) = 0 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] close(19 [pid 5032] getdents64(3, [pid 5030] getdents64(3, [pid 6230] setpgid(0, 0 [pid 6229] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6226] close(13 [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] <... setpgid resumed>) = 0 [pid 6229] <... symlink resumed>) = 0 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] close(20 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6230] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] close(3 [pid 5030] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6230] <... symlink resumed>) = 0 [pid 6229] <... openat resumed>) = 3 [pid 6226] close(14 [pid 6225] close(21 [pid 5032] <... close resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6230] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6229] write(3, "1000", 4 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] rmdir("./96" [pid 5030] lstat("./92/binderfs", [pid 6230] <... symlink resumed>) = 0 [pid 6229] <... write resumed>) = 4 [pid 6226] close(15 [pid 6225] close(22 [pid 5032] <... rmdir resumed>) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6230] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6229] close(3 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] mkdir("./97", 0777 [pid 5030] unlink("./92/binderfs" [pid 6230] <... symlink resumed>) = 0 [pid 6229] <... close resumed>) = 0 [pid 6226] close(16 [pid 6225] close(23 [pid 5032] <... mkdir resumed>) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 6230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6229] read(200, [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] umount2("./92/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6231 attached [pid 6230] <... openat resumed>) = 3 [pid 6229] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6226] close(17 [pid 6225] close(24 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6231] set_robust_list(0x55555580e6e0, 24 [pid 6230] write(3, "1000", 4 [pid 6229] symlink("/dev/binderfs", "./binderfs" [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 196 [pid 5030] lstat("./92/cgroup.net", [pid 6231] <... set_robust_list resumed>) = 0 [pid 6230] <... write resumed>) = 4 [pid 6229] <... symlink resumed>) = 0 [pid 6226] close(18 [pid 6225] close(25 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6231] chdir("./97" [pid 6230] close(3 [pid 6229] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./92/cgroup.net" [pid 6231] <... chdir resumed>) = 0 [pid 6230] <... close resumed>) = 0 [pid 6229] <... futex resumed>) = 0 [pid 6226] close(19 [pid 6225] close(26 [pid 5030] <... unlink resumed>) = 0 [pid 6231] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6230] read(200, [pid 6229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./92/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6231] <... prctl resumed>) = 0 [pid 6230] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6229] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6226] close(20 [pid 6225] close(27 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6231] setpgid(0, 0 [pid 6230] symlink("/dev/binderfs", "./binderfs" [pid 6229] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./92/cgroup.cpu", [pid 6231] <... setpgid resumed>) = 0 [pid 6230] <... symlink resumed>) = 0 [pid 6229] <... mprotect resumed>) = 0 [pid 6226] close(21 [pid 6225] close(28 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6231] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6230] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] 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 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./92/cgroup.cpu"./strace-static-x86_64: Process 6232 attached [pid 6231] <... symlink resumed>) = 0 [pid 6230] <... futex resumed>) = 0 [pid 6226] close(22 [pid 6225] close(29 [pid 5030] <... unlink resumed>) = 0 [pid 6232] set_robust_list(0x7f4e92bc39e0, 24 [pid 6231] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6229] <... clone resumed>, parent_tid=[203], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 203 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./92/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6232] <... set_robust_list resumed>) = 0 [pid 6231] <... 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 6230] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6226] close(23 [pid 6225] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6229] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6232] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6231] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6230] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] <... write resumed>) = 335 [pid 5030] lstat("./92/cgroup", [pid 6229] <... futex resumed>) = 0 [pid 6232] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6231] <... symlink resumed>) = 0 [pid 6230] <... mprotect resumed>) = 0 [pid 6226] close(24 [pid 6225] exit_group(0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6232] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6230] 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 6229] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6227] <... futex resumed>) = ? [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] <... exit_group resumed>) = ? [pid 5030] unlink("./92/cgroup"./strace-static-x86_64: Process 6233 attached [pid 6232] <... futex resumed>) = 0 [pid 6231] <... openat resumed>) = 3 [pid 6229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6227] +++ exited with 0 +++ [pid 6226] close(25 [pid 5030] <... unlink resumed>) = 0 [pid 6233] set_robust_list(0x7f4e92bc39e0, 24 [pid 6232] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6231] write(3, "1000", 4 [pid 6229] close(3 [pid 5030] getdents64(3, [pid 6233] <... set_robust_list resumed>) = 0 [pid 6231] <... write resumed>) = 4 [pid 6230] <... clone resumed>, parent_tid=[187], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 187 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6225] +++ exited with 0 +++ [pid 6233] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6231] close(3 [pid 5030] close(3 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=188, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6231] <... close resumed>) = 0 [pid 5030] <... close resumed>) = 0 [pid 6231] read(200, [pid 6230] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] close(4 [pid 6226] close(26 [pid 5030] rmdir("./92" [pid 6233] <... futex resumed>) = 0 [pid 6231] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6230] <... futex resumed>) = 1 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... rmdir resumed>) = 0 [pid 5029] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6233] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6231] symlink("/dev/binderfs", "./binderfs" [pid 6230] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6229] close(5 [pid 6226] close(27 [pid 5030] mkdir("./93", 0777 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6233] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6231] <... symlink resumed>) = 0 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... mkdir resumed>) = 0 [pid 5029] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6233] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6234 attached [pid 6233] <... futex resumed>) = 1 [pid 6231] <... futex resumed>) = 0 [pid 6230] <... futex resumed>) = 0 [pid 6229] close(6 [pid 6226] close(28 [pid 5029] fstat(3, [pid 6234] set_robust_list(0x55555580e6e0, 24 [pid 6233] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6231] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6230] close(3 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 188 [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6234] <... set_robust_list resumed>) = 0 [pid 6231] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(7 [pid 6226] close(29 [pid 5029] getdents64(3, [pid 6234] chdir("./93" [pid 6231] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6230] close(4 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6234] <... chdir resumed>) = 0 [pid 6231] <... mprotect 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 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(8 [pid 6226] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5029] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6234] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6231] 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 6230] close(5 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] <... write resumed>) = 335 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6235 attached [pid 6234] <... prctl resumed>) = 0 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(9 [pid 6226] exit_group(0 [pid 5029] lstat("./93/binderfs", [pid 6235] set_robust_list(0x7f4e92bc39e0, 24 [pid 6234] setpgid(0, 0 [pid 6231] <... clone resumed>, parent_tid=[197], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 197 [pid 6230] close(6 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... futex resumed>) = ? [pid 6226] <... exit_group resumed>) = ? [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6235] <... set_robust_list resumed>) = 0 [pid 6234] <... setpgid resumed>) = 0 [pid 6231] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(10 [pid 6228] +++ exited with 0 +++ [pid 5029] unlink("./93/binderfs" [pid 6235] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6234] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6231] <... futex resumed>) = 0 [pid 6230] close(7 [pid 6226] +++ exited with 0 +++ [pid 5029] <... unlink resumed>) = 0 [pid 6235] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6231] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5029] umount2("./93/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6235] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] <... symlink resumed>) = 0 [pid 6231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6235] <... futex resumed>) = 0 [pid 6234] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6231] close(3 [pid 5029] lstat("./93/cgroup.net", [pid 6235] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] close(8 [pid 6229] close(11 [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6234] <... symlink resumed>) = 0 [pid 6231] close(4 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] restart_syscall(<... resuming interrupted clone ...> [pid 5029] unlink("./93/cgroup.net" [pid 6234] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] close(9 [pid 6229] close(12 [pid 5031] <... restart_syscall resumed>) = 0 [pid 6234] <... symlink resumed>) = 0 [pid 6231] close(5 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... unlink resumed>) = 0 [pid 6234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] close(10 [pid 6229] close(13 [pid 6234] <... openat resumed>) = 3 [pid 6231] close(6 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./96", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./93/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6234] write(3, "1000", 4 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] close(11 [pid 6229] close(14 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6234] <... write resumed>) = 4 [pid 6231] close(7 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6234] close(3 [pid 6230] close(12 [pid 6229] close(15 [pid 5031] <... openat resumed>) = 3 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6234] <... close resumed>) = 0 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] fstat(3, [pid 5029] lstat("./93/cgroup.cpu", [pid 6234] read(200, [pid 6231] close(8 [pid 6230] close(13 [pid 6229] close(16 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6234] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] getdents64(3, [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6234] symlink("/dev/binderfs", "./binderfs" [pid 6231] close(9 [pid 6230] close(14 [pid 6229] close(17 [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6234] <... symlink resumed>) = 0 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./96/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./93/cgroup.cpu" [pid 6234] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] close(15 [pid 6229] close(18 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6234] <... futex resumed>) = 0 [pid 6231] close(10 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./96/binderfs", [pid 5029] <... unlink resumed>) = 0 [pid 6234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] close(16 [pid 6229] close(19 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6234] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6231] close(11 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./96/binderfs" [pid 5029] umount2("./93/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6234] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] close(17 [pid 6229] close(20 [pid 5031] <... unlink resumed>) = 0 [pid 6234] <... mprotect resumed>) = 0 [pid 6231] close(12 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./96/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6234] 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 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] close(18 [pid 6229] close(21 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6236 attached [pid 6231] close(13 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./96/cgroup.net", [pid 5029] lstat("./93/cgroup", [pid 6236] set_robust_list(0x7f4e92bc39e0, 24 [pid 6234] <... clone resumed>, parent_tid=[189], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 189 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] close(19 [pid 6229] close(22 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6236] <... set_robust_list resumed>) = 0 [pid 6234] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] close(14 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./96/cgroup.net" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6236] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6234] <... futex resumed>) = 0 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] close(20 [pid 6229] close(23 [pid 5031] <... unlink resumed>) = 0 [pid 6236] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6234] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6231] close(15 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./96/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./93/cgroup" [pid 6236] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6230] close(21 [pid 6229] close(24 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6236] <... futex resumed>) = 0 [pid 6234] close(3 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./96/cgroup.cpu", [pid 5029] <... unlink resumed>) = 0 [pid 6236] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] close(16 [pid 6230] close(22 [pid 6229] close(25 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] getdents64(3, [pid 6234] close(4 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./96/cgroup.cpu" [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] close(17 [pid 6230] close(23 [pid 6229] close(26 [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6234] close(5 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./96/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] close(18 [pid 6230] close(24 [pid 6229] close(27 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] close(3 [pid 6234] close(6 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./96/cgroup", [pid 5029] <... close resumed>) = 0 [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] close(19 [pid 6230] close(25 [pid 6229] close(28 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] rmdir("./93" [pid 6234] close(7 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./96/cgroup" [pid 5029] <... rmdir resumed>) = 0 [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] close(20 [pid 6230] close(26 [pid 6229] close(29 [pid 5031] <... unlink resumed>) = 0 [pid 6234] close(8 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] getdents64(3, [pid 5029] mkdir("./94", 0777 [pid 6234] <... 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 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] close(27 [pid 6229] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6234] close(9 [pid 6231] close(21 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... write resumed>) = 335 [pid 5031] close(3 [pid 5029] <... mkdir resumed>) = 0 [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] close(28 [pid 6229] exit_group(0 [pid 5031] <... close resumed>) = 0 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6234] close(10 [pid 6232] <... futex resumed>) = ? [pid 6231] close(22 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... exit_group resumed>) = ? [pid 5031] rmdir("./96"./strace-static-x86_64: Process 6237 attached [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6232] +++ exited with 0 +++ [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] close(29 [pid 6229] +++ exited with 0 +++ [pid 5031] <... rmdir resumed>) = 0 [pid 6237] set_robust_list(0x55555580e6e0, 24 [pid 6234] close(11 [pid 6231] close(23 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5031] mkdir("./97", 0777 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 190 [pid 6237] <... set_robust_list 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 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] <... mkdir resumed>) = 0 [pid 6237] chdir("./94" [pid 6234] close(12 [pid 6231] close(24 [pid 6230] <... write resumed>) = 335 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6237] <... chdir resumed>) = 0 [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] exit_group(0 [pid 5033] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6237] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6231] close(25 [pid 6237] <... prctl resumed>) = 0 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6238 attached [pid 6237] setpgid(0, 0 [pid 6231] close(26 [pid 6234] close(13 [pid 6238] set_robust_list(0x55555580e6e0, 24 [pid 6237] <... setpgid resumed>) = 0 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] <... set_robust_list resumed>) = 0 [pid 6237] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... futex resumed>) = ? [pid 6231] close(27 [pid 6230] <... exit_group resumed>) = ? [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6238] chdir("./97" [pid 6237] <... symlink resumed>) = 0 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] <... chdir resumed>) = 0 [pid 6237] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6231] close(28 [pid 6234] close(14 [pid 6238] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6237] <... symlink resumed>) = 0 [pid 6233] +++ exited with 0 +++ [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6238] <... prctl resumed>) = 0 [pid 6237] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6231] close(29 [pid 5033] <... openat resumed>) = 3 [pid 6238] 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 6237] <... symlink resumed>) = 0 [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 196 [pid 6238] <... setpgid resumed>) = 0 [pid 6237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6231] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6238] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6237] <... openat resumed>) = 3 [pid 6234] close(15 [pid 6231] <... write resumed>) = 335 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6238] <... symlink resumed>) = 0 [pid 6237] write(3, "1000", 4 [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] exit_group(0 [pid 5033] getdents64(3, [pid 6238] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6237] <... write resumed>) = 4 [pid 6235] <... futex resumed>) = ? [pid 6234] close(16 [pid 6231] <... exit_group resumed>) = ? [pid 6230] +++ exited with 0 +++ [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6238] <... symlink resumed>) = 0 [pid 6237] close(3 [pid 6235] +++ exited with 0 +++ [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] +++ exited with 0 +++ [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6238] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6237] <... close resumed>) = 0 [pid 6234] close(17 [pid 5033] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] restart_syscall(<... resuming interrupted clone ...> [pid 6238] <... symlink resumed>) = 0 [pid 6237] read(200, [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5028] <... restart_syscall resumed>) = 0 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6237] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6234] close(18 [pid 5032] umount2("./97", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6238] <... openat resumed>) = 3 [pid 6237] symlink("/dev/binderfs", "./binderfs" [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./100/binderfs", [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6238] write(3, "1000", 4 [pid 6237] <... symlink resumed>) = 0 [pid 6234] close(19 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6238] <... write resumed>) = 4 [pid 6237] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./100/binderfs" [pid 5032] <... openat resumed>) = 3 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6238] close(3 [pid 6237] <... futex resumed>) = 0 [pid 6234] close(20 [pid 5033] <... unlink resumed>) = 0 [pid 5032] fstat(3, [pid 5028] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6238] <... close resumed>) = 0 [pid 6237] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] <... openat resumed>) = 3 [pid 6238] read(200, [pid 6237] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./100/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] getdents64(3, [pid 5028] fstat(3, [pid 6238] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6237] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6234] close(21 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6238] symlink("/dev/binderfs", "./binderfs" [pid 6237] <... mprotect resumed>) = 0 [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./100/cgroup.net", [pid 5032] umount2("./97/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] getdents64(3, [pid 6238] <... symlink resumed>) = 0 [pid 6237] 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 6234] close(22 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 6239 attached [pid 6238] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] lstat("./97/binderfs", [pid 5028] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6239] set_robust_list(0x7f4e92bc39e0, 24 [pid 6238] <... futex resumed>) = 0 [pid 6237] <... clone resumed>, parent_tid=[191], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 191 [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./100/cgroup.net" [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6239] <... set_robust_list resumed>) = 0 [pid 6238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6237] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] close(23 [pid 5033] <... unlink resumed>) = 0 [pid 5032] unlink("./97/binderfs" [pid 5028] lstat("./92/binderfs", [pid 6239] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6238] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6237] <... futex resumed>) = 0 [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./100/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... unlink resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6239] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6238] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6237] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6234] close(24 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] umount2("./97/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./92/binderfs" [pid 6239] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] <... mprotect resumed>) = 0 [pid 6237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 6239] <... futex resumed>) = 0 [pid 6238] 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 6237] close(3 [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./100/cgroup.cpu", [pid 5032] lstat("./97/cgroup.net", [pid 5028] umount2("./92/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6240 attached [pid 6239] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] close(25 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6240] set_robust_list(0x7f4e92bc39e0, 24 [pid 6238] <... clone resumed>, parent_tid=[197], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 197 [pid 6237] close(4 [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./97/cgroup.net" [pid 5033] unlink("./100/cgroup.cpu" [pid 5028] lstat("./92/cgroup.net", [pid 6240] <... set_robust_list resumed>) = 0 [pid 6238] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6240] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6238] <... futex resumed>) = 0 [pid 6237] close(5 [pid 6234] close(26 [pid 5033] <... unlink resumed>) = 0 [pid 5032] umount2("./97/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./92/cgroup.net" [pid 6240] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6238] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./100/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 6240] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6237] close(6 [pid 6234] close(27 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] lstat("./97/cgroup.cpu", [pid 5028] umount2("./92/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6240] <... futex resumed>) = 0 [pid 6238] close(3 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./100/cgroup", [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6240] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(7 [pid 6234] close(28 [pid 5032] unlink("./97/cgroup.cpu" [pid 5028] lstat("./92/cgroup.cpu", [pid 6238] close(4 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(8 [pid 6234] close(29 [pid 5033] unlink("./100/cgroup" [pid 5032] umount2("./97/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./92/cgroup.cpu" [pid 6238] close(5 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(9 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 6234] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] getdents64(3, [pid 5032] lstat("./97/cgroup", [pid 5028] umount2("./92/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6238] close(6 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] <... write resumed>) = 335 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(10 [pid 6234] exit_group(0 [pid 5033] close(3 [pid 5032] unlink("./97/cgroup" [pid 5028] lstat("./92/cgroup", [pid 6238] close(7 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... futex resumed>) = ? [pid 6234] <... exit_group resumed>) = ? [pid 5033] <... close resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(11 [pid 5032] getdents64(3, [pid 5028] unlink("./92/cgroup" [pid 6238] close(8 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] +++ exited with 0 +++ [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(12 [pid 5032] close(3 [pid 5028] getdents64(3, [pid 6238] close(9 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... close resumed>) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(13 [pid 5033] rmdir("./100" [pid 5032] rmdir("./97" [pid 5028] close(3 [pid 6238] close(10 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... rmdir resumed>) = 0 [pid 5032] <... rmdir resumed>) = 0 [pid 5028] <... close resumed>) = 0 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(14 [pid 5032] mkdir("./98", 0777 [pid 5028] rmdir("./92" [pid 6238] close(11 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./101", 0777 [pid 5032] <... mkdir resumed>) = 0 [pid 5028] <... rmdir resumed>) = 0 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(15 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] mkdir("./93", 0777./strace-static-x86_64: Process 6241 attached [pid 6238] close(12 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] +++ exited with 0 +++ [pid 5033] <... mkdir resumed>) = 0 [pid 5028] <... mkdir resumed>) = 0 [pid 6241] set_robust_list(0x55555580e6e0, 24 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(16 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 198 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6243 attached ./strace-static-x86_64: Process 6242 attached [pid 6241] <... set_robust_list resumed>) = 0 [pid 6238] close(13 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=188, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6243] set_robust_list(0x55555580e6e0, 24 [pid 6241] chdir("./98" [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(17 [pid 5030] restart_syscall(<... resuming interrupted clone ...> [pid 6243] <... set_robust_list resumed>) = 0 [pid 6242] set_robust_list(0x55555580e6e0, 24 [pid 6241] <... chdir resumed>) = 0 [pid 6238] close(14 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 204 [pid 5030] <... restart_syscall resumed>) = 0 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 188 [pid 6243] chdir("./93" [pid 6242] <... set_robust_list resumed>) = 0 [pid 6241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(18 [pid 6243] <... chdir resumed>) = 0 [pid 6242] chdir("./101" [pid 6241] <... prctl resumed>) = 0 [pid 6238] close(15 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6242] <... chdir resumed>) = 0 [pid 6241] setpgid(0, 0 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(19 [pid 5030] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6243] <... prctl resumed>) = 0 [pid 6242] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6241] <... setpgid resumed>) = 0 [pid 6238] close(16 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6243] setpgid(0, 0 [pid 6242] <... prctl resumed>) = 0 [pid 6241] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(20 [pid 5030] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6243] <... setpgid resumed>) = 0 [pid 6242] setpgid(0, 0 [pid 6241] <... symlink resumed>) = 0 [pid 6238] close(17 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... openat resumed>) = 3 [pid 6243] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6242] <... setpgid resumed>) = 0 [pid 6241] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(21 [pid 5030] fstat(3, [pid 6243] <... symlink resumed>) = 0 [pid 6242] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6241] <... symlink resumed>) = 0 [pid 6238] close(18 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6243] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6242] <... symlink resumed>) = 0 [pid 6241] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(22 [pid 5030] getdents64(3, [pid 6243] <... symlink resumed>) = 0 [pid 6241] <... symlink resumed>) = 0 [pid 6238] close(19 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6243] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6242] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(23 [pid 5030] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6243] <... symlink resumed>) = 0 [pid 6242] <... symlink resumed>) = 0 [pid 6241] <... openat resumed>) = 3 [pid 6238] close(20 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6242] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6241] write(3, "1000", 4 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(24 [pid 5030] lstat("./93/binderfs", [pid 6243] <... openat resumed>) = 3 [pid 6242] <... symlink resumed>) = 0 [pid 6241] <... write resumed>) = 4 [pid 6238] close(21 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6243] write(3, "1000", 4 [pid 6241] close(3 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(25 [pid 5030] unlink("./93/binderfs" [pid 6243] <... write resumed>) = 4 [pid 6242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6241] <... close resumed>) = 0 [pid 6238] close(22 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6243] close(3 [pid 6241] read(200, [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(26 [pid 5030] umount2("./93/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6243] <... close resumed>) = 0 [pid 6242] <... openat resumed>) = 3 [pid 6241] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6238] close(23 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6243] read(200, [pid 6242] write(3, "1000", 4 [pid 6241] symlink("/dev/binderfs", "./binderfs" [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(27 [pid 5030] lstat("./93/cgroup.net", [pid 6243] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6242] <... write resumed>) = 4 [pid 6241] <... symlink resumed>) = 0 [pid 6238] close(24 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6243] symlink("/dev/binderfs", "./binderfs" [pid 6242] close(3 [pid 6241] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(28 [pid 5030] unlink("./93/cgroup.net" [pid 6243] <... symlink resumed>) = 0 [pid 6242] <... close resumed>) = 0 [pid 6241] <... futex resumed>) = 0 [pid 6238] close(25 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6243] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(29 [pid 5030] umount2("./93/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6243] <... futex resumed>) = 0 [pid 6242] read(200, [pid 6241] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6238] close(26 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6243] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6242] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6241] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6238] <... 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 6237] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5030] lstat("./93/cgroup.cpu", [pid 6243] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6242] symlink("/dev/binderfs", "./binderfs" [pid 6241] <... mprotect resumed>) = 0 [pid 6238] close(27 [pid 6237] <... write resumed>) = 335 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6243] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6242] <... symlink resumed>) = 0 [pid 6241] 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 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] exit_group(0 [pid 5030] unlink("./93/cgroup.cpu"./strace-static-x86_64: Process 6244 attached [pid 6243] <... mprotect resumed>) = 0 [pid 6242] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] <... futex resumed>) = ? [pid 6238] close(28 [pid 6237] <... exit_group resumed>) = ? [pid 5030] <... unlink resumed>) = 0 [pid 6244] set_robust_list(0x7f4e92bc39e0, 24 [pid 6243] 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 6242] <... futex resumed>) = 0 [pid 6241] <... clone resumed>, parent_tid=[199], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 199 [pid 6239] +++ exited with 0 +++ [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6245 attached [pid 6244] <... set_robust_list resumed>) = 0 [pid 6242] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 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 5030] umount2("./93/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6245] set_robust_list(0x7f4e92bc39e0, 24 [pid 6244] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6243] <... clone resumed>, parent_tid=[189], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 189 [pid 6242] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6241] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] close(29 [pid 6245] <... set_robust_list resumed>) = 0 [pid 6244] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6243] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] <... futex resumed>) = 0 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] +++ exited with 0 +++ [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6245] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6244] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] <... futex resumed>) = 0 [pid 6241] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6238] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5030] lstat("./93/cgroup", [pid 6245] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6244] <... futex resumed>) = 0 [pid 6243] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6242] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6238] <... write resumed>) = 335 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6245] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6242] <... mprotect resumed>) = 0 [pid 6241] close(3 [pid 6238] exit_group(0 [pid 5030] unlink("./93/cgroup" [pid 5029] umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6245] <... futex resumed>) = 0 [pid 6243] close(3 [pid 6242] 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 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] <... futex resumed>) = ? [pid 6238] <... exit_group resumed>) = ? [pid 5030] <... unlink resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6246 attached [pid 6245] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] close(4 [pid 6240] +++ exited with 0 +++ [pid 6238] +++ exited with 0 +++ [pid 5030] getdents64(3, [pid 5029] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6246] set_robust_list(0x7f4e92bc39e0, 24 [pid 6243] close(4 [pid 6242] <... clone resumed>, parent_tid=[205], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 205 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=196, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] <... openat resumed>) = 3 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] close(5 [pid 5030] close(3 [pid 5029] fstat(3, [pid 6243] close(5 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = 0 [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] close(6 [pid 6246] <... set_robust_list resumed>) = 0 [pid 5030] rmdir("./93" [pid 5029] getdents64(3, [pid 6243] close(6 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... rmdir resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6246] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] <... futex resumed>) = 0 [pid 6241] close(7 [pid 5031] umount2("./97", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] mkdir("./94", 0777 [pid 5029] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6246] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6243] close(7 [pid 6242] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... mkdir resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6246] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6241] close(8 [pid 5031] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] lstat("./94/binderfs", [pid 6246] <... futex resumed>) = 0 [pid 6243] close(8 [pid 6242] close(3 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6247 attached [pid 6246] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] close(9 [pid 5031] fstat(3, [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6247] set_robust_list(0x55555580e6e0, 24 [pid 6243] close(9 [pid 6242] close(4 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 190 [pid 5029] unlink("./94/binderfs" [pid 6247] <... set_robust_list resumed>) = 0 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] close(10 [pid 5031] getdents64(3, [pid 5029] <... unlink resumed>) = 0 [pid 6247] chdir("./94" [pid 6243] close(10 [pid 6242] close(5 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] umount2("./94/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6247] <... chdir resumed>) = 0 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] close(11 [pid 5031] umount2("./97/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6247] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6243] close(11 [pid 6242] close(6 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./94/cgroup.net", [pid 6247] <... prctl resumed>) = 0 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] close(12 [pid 5031] lstat("./97/binderfs", [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6247] setpgid(0, 0 [pid 6243] close(12 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] unlink("./94/cgroup.net" [pid 6247] <... setpgid resumed>) = 0 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(7 [pid 6241] close(13 [pid 5031] unlink("./97/binderfs" [pid 5029] <... unlink resumed>) = 0 [pid 6247] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6243] close(13 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5029] umount2("./94/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6247] <... symlink resumed>) = 0 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(8 [pid 6241] close(14 [pid 5031] umount2("./97/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6247] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6243] close(14 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./94/cgroup.cpu", [pid 6247] <... symlink resumed>) = 0 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(9 [pid 6241] close(15 [pid 5031] lstat("./97/cgroup.net", [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6247] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6243] close(15 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] unlink("./94/cgroup.cpu" [pid 6247] <... symlink resumed>) = 0 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(10 [pid 6241] close(16 [pid 5031] unlink("./97/cgroup.net" [pid 5029] <... unlink resumed>) = 0 [pid 6247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6243] close(16 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5029] umount2("./94/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6247] <... openat resumed>) = 3 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(11 [pid 6241] close(17 [pid 5031] umount2("./97/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6247] write(3, "1000", 4 [pid 6243] close(17 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./94/cgroup", [pid 6247] <... write resumed>) = 4 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(12 [pid 6241] close(18 [pid 5031] lstat("./97/cgroup.cpu", [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6247] close(3 [pid 6243] close(18 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] unlink("./94/cgroup" [pid 6247] <... close resumed>) = 0 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(13 [pid 6241] close(19 [pid 5031] unlink("./97/cgroup.cpu" [pid 5029] <... unlink resumed>) = 0 [pid 6247] read(200, [pid 6243] close(19 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5029] getdents64(3, [pid 6247] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(14 [pid 6241] close(20 [pid 5031] umount2("./97/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6247] symlink("/dev/binderfs", "./binderfs" [pid 6243] close(20 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] close(3 [pid 6247] <... symlink resumed>) = 0 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(15 [pid 6241] close(21 [pid 5031] lstat("./97/cgroup", [pid 5029] <... close resumed>) = 0 [pid 6247] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] close(21 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] rmdir("./94" [pid 6247] <... futex resumed>) = 0 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(16 [pid 6241] close(22 [pid 5031] unlink("./97/cgroup" [pid 5029] <... rmdir resumed>) = 0 [pid 6247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6243] close(22 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5029] mkdir("./95", 0777 [pid 6247] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(17 [pid 6241] close(23 [pid 5031] getdents64(3, [pid 5029] <... mkdir resumed>) = 0 [pid 6247] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6243] close(23 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6247] <... mprotect resumed>) = 0 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(18 [pid 6241] close(24 [pid 5031] close(3 [pid 6247] 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 6243] close(24 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6248 attached [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(19 [pid 5031] <... close resumed>) = 0 ./strace-static-x86_64: Process 6249 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 6248] set_robust_list(0x7f4e92bc39e0, 24 [pid 6247] <... clone resumed>, parent_tid=[191], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 191 [pid 6243] close(25 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] close(25 [pid 5031] rmdir("./97" [pid 6242] close(20) = -1 EBADF (Bad file descriptor) [pid 6242] close(21 [pid 6247] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... set_robust_list resumed>) = 0 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(22 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... rmdir resumed>) = 0 [pid 6242] close(23 [pid 6243] close(26 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(24 [pid 6241] close(26 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(25) = -1 EBADF (Bad file descriptor) [pid 6242] close(26) = -1 EBADF (Bad file descriptor) [pid 6242] close(27) = -1 EBADF (Bad file descriptor) [pid 6242] close(28) = -1 EBADF (Bad file descriptor) [pid 6242] close(29) = -1 EBADF (Bad file descriptor) [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6247] <... futex resumed>) = 0 [pid 6243] close(27 [pid 6242] <... write resumed>) = 335 [pid 5031] mkdir("./98", 0777 [pid 6248] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6247] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6242] exit_group(0 [pid 6241] close(27 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 192 [pid 6249] set_robust_list(0x55555580e6e0, 24 [pid 6248] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] <... futex resumed>) = ? [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] <... exit_group resumed>) = ? [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... mkdir resumed>) = 0 [pid 6249] <... set_robust_list resumed>) = 0 [pid 6248] <... futex resumed>) = 1 [pid 6247] <... futex resumed>) = 0 [pid 6246] +++ exited with 0 +++ [pid 6243] close(28 [pid 6242] +++ exited with 0 +++ [pid 6241] close(28 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6249] chdir("./95" [pid 6248] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6247] close(3 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] close(29 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6249] <... chdir resumed>) = 0 [pid 6247] close(4 [pid 6243] close(29 [pid 6241] <... 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 ./strace-static-x86_64: Process 6250 attached [pid 6249] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] 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 6250] set_robust_list(0x55555580e6e0, 24 [pid 6249] <... prctl resumed>) = 0 [pid 6247] close(5 [pid 6243] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6241] <... 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 6250] <... set_robust_list resumed>) = 0 [pid 6249] setpgid(0, 0 [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] <... write resumed>) = 335 [pid 6241] exit_group(0 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 198 [pid 6250] chdir("./98" [pid 6249] <... setpgid resumed>) = 0 [pid 6247] close(6 [pid 6244] <... futex resumed>) = ? [pid 6243] exit_group(0 [pid 6241] <... exit_group resumed>) = ? [pid 5033] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6250] <... chdir resumed>) = 0 [pid 6249] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6245] <... futex resumed>) = ? [pid 6244] +++ exited with 0 +++ [pid 6243] <... exit_group resumed>) = ? [pid 6241] +++ exited with 0 +++ [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5033] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6250] <... prctl resumed>) = 0 [pid 5033] <... openat resumed>) = 3 [pid 6249] <... symlink resumed>) = 0 [pid 6250] setpgid(0, 0 [pid 6247] close(7 [pid 6245] +++ exited with 0 +++ [pid 5033] fstat(3, [pid 6250] <... setpgid resumed>) = 0 [pid 6249] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6250] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5033] getdents64(3, [pid 6250] <... symlink resumed>) = 0 [pid 6249] <... symlink resumed>) = 0 [pid 6247] close(8 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] umount2("./98", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6250] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6249] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] +++ exited with 0 +++ [pid 5033] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] <... symlink resumed>) = 0 [pid 6247] close(9 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6250] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6249] <... symlink resumed>) = 0 [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./101/binderfs", [pid 6250] <... symlink resumed>) = 0 [pid 6249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6247] close(10 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] <... openat resumed>) = 3 [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=188, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6249] <... openat resumed>) = 3 [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./101/binderfs" [pid 5032] fstat(3, [pid 6250] <... openat resumed>) = 3 [pid 6249] write(3, "1000", 4 [pid 6247] close(11 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6250] write(3, "1000", 4 [pid 6249] <... write resumed>) = 4 [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./101/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] getdents64(3, [pid 6250] <... write resumed>) = 4 [pid 6249] close(3 [pid 6247] close(12 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6249] <... close resumed>) = 0 [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./98/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] close(3 [pid 6249] read(200, [pid 6247] close(13 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6250] <... close resumed>) = 0 [pid 6249] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./101/cgroup.net", [pid 5032] lstat("./98/binderfs", [pid 5028] <... openat resumed>) = 3 [pid 6250] read(200, [pid 6249] symlink("/dev/binderfs", "./binderfs" [pid 6247] close(14 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6250] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] unlink("./101/cgroup.net" [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] fstat(3, [pid 6250] symlink("/dev/binderfs", "./binderfs" [pid 6249] <... symlink resumed>) = 0 [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 6250] <... symlink resumed>) = 0 [pid 6249] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] close(15 [pid 5033] umount2("./101/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] unlink("./98/binderfs" [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6250] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... futex resumed>) = 0 [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... unlink resumed>) = 0 [pid 6250] <... futex resumed>) = 0 [pid 6249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6247] close(16 [pid 5033] lstat("./101/cgroup.cpu", [pid 5032] umount2("./98/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] getdents64(3, [pid 6250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6249] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6249] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6247] close(17 [pid 5033] unlink("./101/cgroup.cpu" [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6250] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5032] lstat("./98/cgroup.net", [pid 6250] <... mprotect resumed>) = 0 [pid 6249] <... mprotect resumed>) = 0 [pid 6247] close(18 [pid 5033] umount2("./101/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6250] 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 6249] 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 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6251 attached [pid 6247] close(19 [pid 5033] lstat("./101/cgroup", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6252 attached [pid 6251] set_robust_list(0x7f4e92bc39e0, 24 [pid 6250] <... clone resumed>, parent_tid=[199], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 199 [pid 6249] <... clone resumed>, parent_tid=[193], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 193 [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] unlink("./98/cgroup.net" [pid 6252] set_robust_list(0x7f4e92bc39e0, 24 [pid 6251] <... set_robust_list resumed>) = 0 [pid 6250] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] close(20 [pid 5033] unlink("./101/cgroup" [pid 5028] lstat("./93/binderfs", [pid 6252] <... set_robust_list resumed>) = 0 [pid 6251] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6250] <... futex resumed>) = 0 [pid 6249] <... futex resumed>) = 0 [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 6252] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6251] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6250] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6249] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6247] close(21 [pid 5033] getdents64(3, [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6252] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6251] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] umount2("./98/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6252] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] <... futex resumed>) = 0 [pid 6250] close(3 [pid 6247] close(22 [pid 5033] close(3 [pid 5028] unlink("./93/binderfs" [pid 6252] <... futex resumed>) = 1 [pid 6251] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... futex resumed>) = 0 [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6252] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6250] close(4 [pid 6249] close(3 [pid 6247] close(23 [pid 5033] rmdir("./101" [pid 5028] <... unlink resumed>) = 0 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... rmdir resumed>) = 0 [pid 5032] lstat("./98/cgroup.cpu", [pid 6250] close(5 [pid 6249] close(4 [pid 6247] close(24 [pid 5033] mkdir("./102", 0777 [pid 5028] umount2("./93/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... mkdir resumed>) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6250] close(6 [pid 6249] close(5 [pid 6247] close(25 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5032] unlink("./98/cgroup.cpu" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5028] lstat("./93/cgroup.net", ./strace-static-x86_64: Process 6253 attached [pid 6250] close(7 [pid 6249] close(6 [pid 6247] close(26 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 206 [pid 5032] umount2("./98/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6253] set_robust_list(0x55555580e6e0, 24 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./93/cgroup.net" [pid 6253] <... set_robust_list resumed>) = 0 [pid 6250] close(8 [pid 6249] close(7 [pid 6247] close(27 [pid 5032] lstat("./98/cgroup", [pid 5028] <... unlink resumed>) = 0 [pid 6253] chdir("./102" [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] umount2("./93/cgroup.cpu", 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 6253] <... chdir resumed>) = 0 [pid 6250] close(9 [pid 6249] close(8 [pid 6247] close(28 [pid 5032] unlink("./98/cgroup" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6253] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5028] lstat("./93/cgroup.cpu", [pid 6253] <... prctl resumed>) = 0 [pid 6250] close(10 [pid 6249] close(9 [pid 6247] close(29 [pid 5032] getdents64(3, [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6253] setpgid(0, 0 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] unlink("./93/cgroup.cpu" [pid 6253] <... setpgid resumed>) = 0 [pid 6250] close(11 [pid 6249] close(10 [pid 6247] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] close(3 [pid 5028] <... unlink resumed>) = 0 [pid 6253] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6247] <... write resumed>) = 335 [pid 5032] <... close resumed>) = 0 [pid 5028] umount2("./93/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] rmdir("./98" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] close(12 [pid 5032] <... rmdir resumed>) = 0 [pid 5028] lstat("./93/cgroup", [pid 6253] <... symlink resumed>) = 0 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6247] exit_group(0 [pid 5032] mkdir("./99", 0777 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6253] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6250] close(13 [pid 6249] close(11 [pid 6248] <... futex resumed>) = ? [pid 6247] <... exit_group resumed>) = ? [pid 5032] <... mkdir resumed>) = 0 [pid 5028] unlink("./93/cgroup" [pid 6253] <... symlink resumed>) = 0 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] +++ exited with 0 +++ [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6254 attached [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6247] +++ exited with 0 +++ [pid 5028] getdents64(3, [pid 6254] set_robust_list(0x55555580e6e0, 24 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 200 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6254] <... set_robust_list resumed>) = 0 [pid 6253] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6250] close(14 [pid 6249] close(12 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5028] close(3 [pid 6254] chdir("./99" [pid 6253] <... symlink resumed>) = 0 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] restart_syscall(<... resuming interrupted clone ...> [pid 5028] <... close resumed>) = 0 [pid 6254] <... chdir resumed>) = 0 [pid 6253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6250] close(15 [pid 6249] close(13 [pid 5030] <... restart_syscall resumed>) = 0 [pid 5028] rmdir("./93" [pid 6254] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6253] <... openat resumed>) = 3 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... rmdir resumed>) = 0 [pid 6254] <... prctl resumed>) = 0 [pid 6253] write(3, "1000", 4 [pid 6250] close(16 [pid 6249] close(14 [pid 5028] mkdir("./94", 0777 [pid 6254] setpgid(0, 0 [pid 6253] <... write resumed>) = 4 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... mkdir resumed>) = 0 [pid 6254] <... setpgid resumed>) = 0 [pid 6253] close(3 [pid 6250] close(17 [pid 6249] close(15 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6254] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6253] <... close resumed>) = 0 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6255 attached [pid 6254] <... symlink resumed>) = 0 [pid 6253] read(200, [pid 6250] close(18 [pid 5030] <... openat resumed>) = 3 [pid 6254] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6253] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6255] set_robust_list(0x55555580e6e0, 24 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] close(16 [pid 5030] fstat(3, [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 190 [pid 6255] <... set_robust_list resumed>) = 0 [pid 6254] <... symlink resumed>) = 0 [pid 6253] symlink("/dev/binderfs", "./binderfs" [pid 6250] close(19 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6255] chdir("./94" [pid 6254] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6253] <... symlink resumed>) = 0 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] close(17 [pid 5030] getdents64(3, [pid 6255] <... chdir resumed>) = 0 [pid 6254] <... symlink resumed>) = 0 [pid 6253] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] close(20 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6255] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6253] <... futex resumed>) = 0 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] close(18 [pid 6255] <... prctl resumed>) = 0 [pid 6254] <... openat resumed>) = 3 [pid 6253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6250] close(21 [pid 5030] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6255] setpgid(0, 0 [pid 6254] write(3, "1000", 4 [pid 6253] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6255] <... setpgid resumed>) = 0 [pid 6254] <... write resumed>) = 4 [pid 6253] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6250] close(22 [pid 6249] close(19 [pid 5030] lstat("./94/binderfs", [pid 6255] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6254] close(3 [pid 6253] <... mprotect resumed>) = 0 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6255] <... symlink resumed>) = 0 [pid 6254] <... close resumed>) = 0 [pid 6253] 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 6250] close(23 [pid 6249] close(20./strace-static-x86_64: Process 6256 attached [pid 6255] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6254] read(200, [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./94/binderfs" [pid 6256] set_robust_list(0x7f4e92bc39e0, 24 [pid 6255] <... symlink resumed>) = 0 [pid 6253] <... clone resumed>, parent_tid=[207], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 207 [pid 6250] close(24 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] <... set_robust_list resumed>) = 0 [pid 6255] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6254] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6253] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6256] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6255] <... symlink resumed>) = 0 [pid 6254] symlink("/dev/binderfs", "./binderfs" [pid 6253] <... futex resumed>) = 0 [pid 6250] close(25 [pid 6249] close(21 [pid 6256] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6254] <... symlink resumed>) = 0 [pid 6253] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./94/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] <... openat resumed>) = 3 [pid 6254] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6250] close(26 [pid 6256] <... futex resumed>) = 0 [pid 6255] write(3, "1000", 4 [pid 6253] close(3 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] <... write resumed>) = 4 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6250] close(27 [pid 6249] close(22 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6255] close(3 [pid 6253] close(4 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] <... close resumed>) = 0 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6250] close(28 [pid 6255] read(200, [pid 6254] <... futex resumed>) = 0 [pid 6253] close(5 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./94/cgroup.net", [pid 6255] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6250] close(29 [pid 6254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6249] close(23 [pid 6255] symlink("/dev/binderfs", "./binderfs" [pid 6253] close(6 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6255] <... symlink resumed>) = 0 [pid 6254] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6253] <... 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 6250] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6253] close(7 [pid 6250] <... write resumed>) = 335 [pid 5030] unlink("./94/cgroup.net" [pid 6255] <... futex resumed>) = 0 [pid 6254] <... mprotect resumed>) = 0 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6250] exit_group(0 [pid 6249] close(24 [pid 6255] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6253] close(8 [pid 6251] <... futex resumed>) = ? [pid 6250] <... exit_group resumed>) = ? [pid 6254] 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 resumed>) = 0 ./strace-static-x86_64: Process 6257 attached [pid 6255] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] +++ exited with 0 +++ [pid 6250] +++ exited with 0 +++ [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./94/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6257] set_robust_list(0x7f4e92bc39e0, 24 [pid 6255] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6254] <... clone resumed>, parent_tid=[201], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 201 [pid 6253] close(9 [pid 6249] close(25 [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6257] <... set_robust_list resumed>) = 0 [pid 6255] <... mprotect resumed>) = 0 [pid 6254] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./94/cgroup.cpu", [pid 6257] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6255] 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 6254] <... futex resumed>) = 0 [pid 6253] close(10 [pid 6249] close(26 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6258 attached [pid 6257] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6254] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6258] set_robust_list(0x7f4e92bc39e0, 24 [pid 6257] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] <... clone resumed>, parent_tid=[191], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 191 [pid 6254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6253] close(11 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./94/cgroup.cpu" [pid 6258] <... set_robust_list resumed>) = 0 [pid 6257] <... futex resumed>) = 0 [pid 6255] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] close(3 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] close(27 [pid 6258] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6257] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] <... futex resumed>) = 0 [pid 6253] close(12 [pid 5030] <... unlink resumed>) = 0 [pid 6255] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./98", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6258] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(13 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] umount2("./94/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6258] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] close(4 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] close(28 [pid 5031] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6258] <... futex resumed>) = 1 [pid 6255] <... futex resumed>) = 0 [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(14 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... openat resumed>) = 3 [pid 5030] lstat("./94/cgroup", [pid 6258] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] close(3 [pid 6254] close(5 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] close(29 [pid 5031] fstat(3, [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(15 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] unlink("./94/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 6255] close(4 [pid 6254] close(6 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] 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] <... unlink resumed>) = 0 [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(16 [pid 6249] <... write resumed>) = 335 [pid 5030] getdents64(3, 0x555555810850 /* 0 entries */, 32768) = 0 [pid 5030] close(3 [pid 6249] exit_group(0 [pid 6255] close(5 [pid 6254] close(7 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] <... close resumed>) = 0 [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(17 [pid 6252] <... futex resumed>) = ? [pid 6249] <... exit_group resumed>) = ? [pid 5031] umount2("./98/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] rmdir("./94" [pid 6255] close(6 [pid 6254] close(8 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] +++ exited with 0 +++ [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... rmdir resumed>) = 0 [pid 5031] lstat("./98/binderfs", [pid 5030] mkdir("./95", 0777 [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(18 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] <... mkdir resumed>) = 0 [pid 6255] close(7 [pid 6254] close(9 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./98/binderfs" [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(19 [pid 6249] +++ exited with 0 +++ [pid 5031] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6259 attached [pid 6255] close(8 [pid 6254] close(10 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./98/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 192 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=192, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6259] set_robust_list(0x55555580e6e0, 24 [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(20 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6259] <... set_robust_list resumed>) = 0 [pid 6255] close(9 [pid 6254] close(11 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] lstat("./98/cgroup.net", [pid 6259] chdir("./95" [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(21 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6259] <... chdir resumed>) = 0 [pid 6255] close(10 [pid 6254] close(12 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./98/cgroup.net" [pid 5029] umount2("./95", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6259] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(22 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6255] close(11 [pid 6254] close(13 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5029] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6259] <... prctl resumed>) = 0 [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(23 [pid 5031] umount2("./98/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... openat resumed>) = 3 [pid 6255] close(12 [pid 6254] close(14 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] fstat(3, [pid 6259] setpgid(0, 0 [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(24 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6259] <... setpgid resumed>) = 0 [pid 6255] close(13 [pid 6254] close(15 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] getdents64(3, [pid 6259] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(25 [pid 5031] lstat("./98/cgroup.cpu", [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6259] <... symlink resumed>) = 0 [pid 6255] close(14 [pid 6254] close(16 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] umount2("./95/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(26 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6255] close(15 [pid 6254] close(17 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] lstat("./95/binderfs", [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(27 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6255] close(16 [pid 6254] close(18 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] unlink("./95/binderfs" [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(28 [pid 5029] <... unlink resumed>) = 0 [pid 6255] close(17 [pid 6254] close(19 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] umount2("./95/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6259] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(29 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6255] close(18 [pid 6254] close(20 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] lstat("./95/cgroup.net", [pid 6259] <... symlink resumed>) = 0 [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... 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 6253] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5031] unlink("./98/cgroup.cpu" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6259] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6255] close(19 [pid 6254] close(21 [pid 6253] <... write resumed>) = 335 [pid 5031] <... unlink resumed>) = 0 [pid 5029] unlink("./95/cgroup.net" [pid 6259] <... symlink resumed>) = 0 [pid 5031] umount2("./98/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] exit_group(0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6259] <... openat resumed>) = 3 [pid 6256] <... futex resumed>) = ? [pid 6255] close(20 [pid 6254] close(22 [pid 6253] <... exit_group resumed>) = ? [pid 5031] lstat("./98/cgroup", [pid 5029] <... unlink resumed>) = 0 [pid 6259] write(3, "1000", 4 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6259] <... write resumed>) = 4 [pid 6256] +++ exited with 0 +++ [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./98/cgroup" [pid 6259] close(3 [pid 6255] close(21 [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5029] umount2("./95/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6259] <... close resumed>) = 0 [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] close(23 [pid 6253] +++ exited with 0 +++ [pid 5031] getdents64(3, [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6259] read(200, [pid 6255] close(22 [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6259] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] close(24 [pid 5031] close(3 [pid 5029] lstat("./95/cgroup.cpu", [pid 6259] symlink("/dev/binderfs", "./binderfs" [pid 6255] close(23 [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6259] <... symlink resumed>) = 0 [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] close(25 [pid 5031] <... close resumed>) = 0 [pid 5029] unlink("./95/cgroup.cpu" [pid 6259] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] close(24 [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] rmdir("./98" [pid 6259] <... futex resumed>) = 0 [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] close(26 [pid 5029] <... unlink resumed>) = 0 [pid 6259] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6255] close(25 [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... rmdir resumed>) = 0 [pid 5029] umount2("./95/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6259] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] close(27 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6259] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6255] close(26 [pid 5033] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] mkdir("./99", 0777 [pid 6259] <... mprotect resumed>) = 0 [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] lstat("./95/cgroup", [pid 6259] 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 6255] close(27 [pid 6254] close(28 [pid 5033] <... openat resumed>) = 3 [pid 5031] <... 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 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] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 6260 attached [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] unlink("./95/cgroup" [pid 6260] set_robust_list(0x7f4e92bc39e0, 24 [pid 6259] <... clone resumed>, parent_tid=[193], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 193 [pid 6255] close(28 [pid 6254] close(29 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 6260] <... set_robust_list resumed>) = 0 [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] getdents64(3, [pid 6260] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] close(29 [pid 6254] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] getdents64(3, [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6259] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... write resumed>) = 335 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] close(3./strace-static-x86_64: Process 6261 attached [pid 6260] <... futex resumed>) = 0 [pid 6259] <... futex resumed>) = 1 [pid 6255] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6254] exit_group(0 [pid 5033] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... close resumed>) = 0 [pid 6261] set_robust_list(0x55555580e6e0, 24 [pid 6260] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6259] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6257] <... futex resumed>) = ? [pid 6255] <... write resumed>) = 335 [pid 6254] <... exit_group resumed>) = ? [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 200 [pid 5029] rmdir("./95" [pid 6261] <... set_robust_list resumed>) = 0 [pid 6260] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6257] +++ exited with 0 +++ [pid 6255] exit_group(0 [pid 6254] +++ exited with 0 +++ [pid 5033] lstat("./102/binderfs", [pid 5029] <... rmdir resumed>) = 0 [pid 6261] chdir("./99" [pid 6260] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6258] <... futex resumed>) = ? [pid 6255] <... exit_group resumed>) = ? [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=200, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5029] mkdir("./96", 0777 [pid 6261] <... chdir resumed>) = 0 [pid 6260] <... futex resumed>) = 1 [pid 6259] <... futex resumed>) = 0 [pid 5029] <... mkdir resumed>) = 0 [pid 6261] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6260] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6259] close(3 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6262 attached [pid 6261] <... prctl resumed>) = 0 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6258] +++ exited with 0 +++ [pid 6255] +++ exited with 0 +++ [pid 5033] unlink("./102/binderfs" [pid 6262] set_robust_list(0x55555580e6e0, 24 [pid 6261] setpgid(0, 0 [pid 6259] close(4 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 194 [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 6262] <... set_robust_list resumed>) = 0 [pid 6261] <... setpgid resumed>) = 0 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5028] restart_syscall(<... resuming interrupted clone ...> [pid 6262] chdir("./96" [pid 6261] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6259] close(5 [pid 5033] umount2("./102/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... restart_syscall resumed>) = 0 [pid 6262] <... chdir resumed>) = 0 [pid 6261] <... symlink resumed>) = 0 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6262] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6261] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6259] close(6 [pid 5033] lstat("./102/cgroup.net", [pid 5032] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6262] <... prctl resumed>) = 0 [pid 6261] <... symlink resumed>) = 0 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... openat resumed>) = 3 [pid 5028] umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6262] setpgid(0, 0 [pid 6261] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6259] close(7 [pid 5033] unlink("./102/cgroup.net" [pid 5032] fstat(3, [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6262] <... setpgid resumed>) = 0 [pid 6261] <... symlink resumed>) = 0 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6262] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6259] close(8 [pid 5033] umount2("./102/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] getdents64(3, [pid 5028] <... openat resumed>) = 3 [pid 6262] <... symlink resumed>) = 0 [pid 6261] <... openat resumed>) = 3 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] fstat(3, [pid 6262] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6261] write(3, "1000", 4 [pid 6259] close(9 [pid 5033] lstat("./102/cgroup.cpu", [pid 5032] umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6262] <... symlink resumed>) = 0 [pid 6261] <... write resumed>) = 4 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] getdents64(3, [pid 6262] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6261] close(3 [pid 6259] close(10 [pid 5032] lstat("./99/binderfs", [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6262] <... symlink resumed>) = 0 [pid 6261] <... close resumed>) = 0 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6261] read(200, [pid 6259] close(11 [pid 5032] unlink("./99/binderfs" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6262] <... openat resumed>) = 3 [pid 6261] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./102/cgroup.cpu" [pid 5032] <... unlink resumed>) = 0 [pid 5028] lstat("./94/binderfs", [pid 6262] write(3, "1000", 4 [pid 6261] symlink("/dev/binderfs", "./binderfs" [pid 6259] close(12 [pid 5033] <... unlink resumed>) = 0 [pid 5032] umount2("./99/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6262] <... write resumed>) = 4 [pid 6261] <... symlink resumed>) = 0 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./102/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./94/binderfs" [pid 6262] close(3 [pid 6261] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] close(13 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] lstat("./99/cgroup.net", [pid 5028] <... unlink resumed>) = 0 [pid 6262] <... close resumed>) = 0 [pid 6261] <... futex resumed>) = 0 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./102/cgroup", [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] umount2("./94/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6262] read(200, [pid 6261] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6259] close(14 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] unlink("./99/cgroup.net" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6262] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6261] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./102/cgroup" [pid 5032] <... unlink resumed>) = 0 [pid 5028] lstat("./94/cgroup.net", [pid 6262] symlink("/dev/binderfs", "./binderfs" [pid 6261] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6259] close(15 [pid 5033] <... unlink resumed>) = 0 [pid 5032] umount2("./99/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6262] <... symlink resumed>) = 0 [pid 6261] <... mprotect resumed>) = 0 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./94/cgroup.net" [pid 6262] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] 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 6259] close(16 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] lstat("./99/cgroup.cpu", [pid 5028] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6263 attached [pid 6262] <... futex resumed>) = 0 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] umount2("./94/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6263] set_robust_list(0x7f4e92bc39e0, 24 [pid 6262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6261] <... clone resumed>, parent_tid=[201], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 201 [pid 6259] close(17 [pid 5033] <... close resumed>) = 0 [pid 5032] unlink("./99/cgroup.cpu" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6263] <... set_robust_list resumed>) = 0 [pid 6262] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6261] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] rmdir("./102" [pid 5032] <... unlink resumed>) = 0 [pid 5028] lstat("./94/cgroup.cpu", [pid 6263] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6262] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6261] <... futex resumed>) = 0 [pid 6259] close(18 [pid 5032] umount2("./99/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6263] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6262] <... mprotect resumed>) = 0 [pid 6261] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... rmdir resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./94/cgroup.cpu" [pid 6263] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] 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 6261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6259] close(19 [pid 5033] mkdir("./103", 0777 [pid 5032] lstat("./99/cgroup", [pid 5028] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6264 attached [pid 6263] <... futex resumed>) = 0 [pid 6261] close(3 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... mkdir resumed>) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] umount2("./94/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6264] set_robust_list(0x7f4e92bc39e0, 24 [pid 6263] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6262] <... clone resumed>, parent_tid=[195], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 195 [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] close(20 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5032] unlink("./99/cgroup" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6264] <... set_robust_list resumed>) = 0 [pid 6262] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] close(4 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5028] lstat("./94/cgroup", [pid 6264] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6262] <... futex resumed>) = 0 [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] close(21 [pid 5032] getdents64(3, [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 6265 attached [pid 6264] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6262] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6261] close(5 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] unlink("./94/cgroup" [pid 6265] set_robust_list(0x55555580e6e0, 24 [pid 6264] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] close(22 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 208 [pid 5032] close(3 [pid 5028] <... unlink resumed>) = 0 [pid 6264] <... futex resumed>) = 0 [pid 6262] close(3 [pid 6261] close(6 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... close resumed>) = 0 [pid 5028] getdents64(3, [pid 6264] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] close(23 [pid 5032] rmdir("./99" [pid 6265] <... set_robust_list resumed>) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6262] close(4 [pid 6261] close(7 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... rmdir resumed>) = 0 [pid 5028] close(3 [pid 6265] chdir("./103" [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] close(24 [pid 5032] mkdir("./100", 0777 [pid 5028] <... close resumed>) = 0 [pid 6265] <... chdir resumed>) = 0 [pid 6262] close(5 [pid 6261] close(8 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... mkdir resumed>) = 0 [pid 5028] rmdir("./94" [pid 6265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] close(25 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] <... rmdir resumed>) = 0 [pid 6265] <... prctl resumed>) = 0 [pid 6262] close(6 [pid 6261] close(9 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] setpgid(0, 0 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] close(26 [pid 5028] mkdir("./95", 0777./strace-static-x86_64: Process 6266 attached [pid 6265] <... setpgid resumed>) = 0 [pid 6262] close(7 [pid 6261] close(10 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... mkdir resumed>) = 0 [pid 6266] set_robust_list(0x55555580e6e0, 24 [pid 6265] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] close(27 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 202 [pid 6266] <... set_robust_list resumed>) = 0 [pid 6265] <... symlink resumed>) = 0 [pid 6262] close(8 [pid 6261] close(11 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6266] chdir("./100" [pid 6265] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] close(28./strace-static-x86_64: Process 6267 attached [pid 6266] <... chdir resumed>) = 0 [pid 6265] <... symlink resumed>) = 0 [pid 6262] close(9 [pid 6261] close(12 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] set_robust_list(0x55555580e6e0, 24 [pid 6266] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6265] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] close(29 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 192 [pid 6267] <... set_robust_list resumed>) = 0 [pid 6266] <... prctl resumed>) = 0 [pid 6265] <... symlink resumed>) = 0 [pid 6262] close(10 [pid 6261] close(13 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] chdir("./95"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 6266] setpgid(0, 0 [pid 6265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6267] <... chdir resumed>) = 0 [pid 6266] <... setpgid resumed>) = 0 [pid 6265] <... openat resumed>) = 3 [pid 6262] close(11 [pid 6261] close(14 [pid 6259] <... write resumed>) = 335 [pid 6267] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6266] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6265] write(3, "1000", 4 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] exit_group(0 [pid 6267] <... prctl resumed>) = 0 [pid 6266] <... symlink resumed>) = 0 [pid 6262] close(12 [pid 6261] close(15 [pid 6260] <... futex resumed>) = ? [pid 6259] <... exit_group resumed>) = ? [pid 6267] setpgid(0, 0 [pid 6266] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6265] <... write resumed>) = 4 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] +++ exited with 0 +++ [pid 6259] +++ exited with 0 +++ [pid 6267] <... setpgid resumed>) = 0 [pid 6266] <... symlink resumed>) = 0 [pid 6265] close(3 [pid 6262] close(13 [pid 6261] close(16 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=192, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6267] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6266] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6265] <... close resumed>) = 0 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... symlink resumed>) = 0 [pid 6266] <... symlink resumed>) = 0 [pid 6262] close(14 [pid 6261] close(17 [pid 6267] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./95", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6267] <... symlink resumed>) = 0 [pid 6266] <... openat resumed>) = 3 [pid 6265] read(200, [pid 6262] close(15 [pid 6261] close(18 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6267] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6266] write(3, "1000", 4 [pid 6265] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6267] <... symlink resumed>) = 0 [pid 6266] <... write resumed>) = 4 [pid 6265] symlink("/dev/binderfs", "./binderfs" [pid 6262] close(16 [pid 6261] close(19 [pid 5030] <... openat resumed>) = 3 [pid 6267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6266] close(3 [pid 6265] <... symlink resumed>) = 0 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] fstat(3, [pid 6267] <... openat resumed>) = 3 [pid 6266] <... close resumed>) = 0 [pid 6265] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] close(17 [pid 6261] close(20 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6267] write(3, "1000", 4 [pid 6266] read(200, [pid 6265] <... futex resumed>) = 0 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] getdents64(3, [pid 6267] <... write resumed>) = 4 [pid 6266] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6262] close(18 [pid 6261] close(21 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6267] close(3 [pid 6266] symlink("/dev/binderfs", "./binderfs" [pid 6265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./95/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6267] <... close resumed>) = 0 [pid 6266] <... symlink resumed>) = 0 [pid 6265] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6262] close(19 [pid 6261] close(22 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6267] read(200, [pid 6266] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./95/binderfs", [pid 6267] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6266] <... futex resumed>) = 0 [pid 6265] <... mprotect resumed>) = 0 [pid 6262] close(20 [pid 6261] close(23 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6267] symlink("/dev/binderfs", "./binderfs" [pid 6266] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./95/binderfs" [pid 6267] <... symlink resumed>) = 0 [pid 6266] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6265] 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 6262] close(21 [pid 6261] close(24 [pid 5030] <... unlink resumed>) = 0 [pid 6267] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./95/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6268 attached [pid 6267] <... futex resumed>) = 0 [pid 6266] <... mprotect resumed>) = 0 [pid 6265] <... clone resumed>, parent_tid=[209], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 209 [pid 6262] close(22 [pid 6261] close(25 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6268] set_robust_list(0x7f4e92bc39e0, 24 [pid 6267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6266] 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 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./95/cgroup.net", ./strace-static-x86_64: Process 6269 attached [pid 6268] <... set_robust_list resumed>) = 0 [pid 6267] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6265] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] close(23 [pid 6261] close(26 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6269] set_robust_list(0x7f4e92bc39e0, 24 [pid 6268] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6267] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6266] <... clone resumed>, parent_tid=[203], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 203 [pid 6265] <... futex resumed>) = 0 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./95/cgroup.net" [pid 6269] <... set_robust_list resumed>) = 0 [pid 6268] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6267] <... mprotect resumed>) = 0 [pid 6266] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6262] close(24 [pid 6261] close(27 [pid 5030] <... unlink resumed>) = 0 [pid 6268] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] 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 6266] <... futex resumed>) = 0 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./95/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6270 attached [pid 6269] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6268] <... futex resumed>) = 0 [pid 6266] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6262] close(25 [pid 6261] close(28 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6270] set_robust_list(0x7f4e92bc39e0, 24 [pid 6269] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6268] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6267] <... clone resumed>, parent_tid=[193], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 193 [pid 6265] close(3 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./95/cgroup.cpu", [pid 6270] <... set_robust_list resumed>) = 0 [pid 6269] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6262] close(26 [pid 6261] close(29 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6270] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6269] <... futex resumed>) = 1 [pid 6267] <... futex resumed>) = 0 [pid 6266] <... futex resumed>) = 0 [pid 6265] close(4 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... 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 5030] unlink("./95/cgroup.cpu" [pid 6270] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6269] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6267] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6266] close(3 [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6262] close(27 [pid 6261] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5030] <... unlink resumed>) = 0 [pid 6270] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] close(5 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... write resumed>) = 335 [pid 5030] umount2("./95/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6270] <... futex resumed>) = 1 [pid 6267] <... futex resumed>) = 0 [pid 6266] close(4 [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6262] close(28 [pid 6261] exit_group(0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6270] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6267] close(3 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] close(6 [pid 6263] <... futex resumed>) = ? [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... exit_group resumed>) = ? [pid 5030] lstat("./95/cgroup", [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(5 [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] +++ exited with 0 +++ [pid 6262] close(29 [pid 6267] close(4 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] close(7 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] close(8write 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 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(6 [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6262] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5030] unlink("./95/cgroup" [pid 6267] close(5 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] close(9 [pid 6262] <... write resumed>) = 335 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(7 [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6262] exit_group(0 [pid 5030] <... unlink resumed>) = 0 [pid 6267] close(6 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] close(10 [pid 6264] <... futex resumed>) = ? [pid 6262] <... exit_group resumed>) = ? [pid 6261] +++ exited with 0 +++ [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(8 [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] getdents64(3, [pid 6265] close(11) = -1 EBADF (Bad file descriptor) [pid 6265] close(12) = -1 EBADF (Bad file descriptor) [pid 6265] close(13) = -1 EBADF (Bad file descriptor) [pid 6265] close(14) = -1 EBADF (Bad file descriptor) [pid 6265] close(15) = -1 EBADF (Bad file descriptor) [pid 6265] close(16 [pid 6264] +++ exited with 0 +++ [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] close(17) = -1 EBADF (Bad file descriptor) [pid 6265] close(18) = -1 EBADF (Bad file descriptor) [pid 6265] close(19 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] close(7 [pid 6266] close(9 [pid 6265] close(20 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=200, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6267] close(8 [pid 6266] close(10 [pid 6265] close(21 [pid 5030] close(3 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6262] +++ exited with 0 +++ [pid 6267] close(9 [pid 6266] close(11 [pid 6265] close(22 [pid 5030] <... close resumed>) = 0 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] close(10 [pid 6266] close(12 [pid 6265] close(23 [pid 5030] rmdir("./95" [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6267] close(11 [pid 6266] close(13 [pid 6265] close(24 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... rmdir 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 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] mkdir("./96", 0777 [pid 6265] close(25 [pid 6267] close(12 [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] close(26) = -1 EBADF (Bad file descriptor) [pid 5031] <... openat resumed>) = 3 [pid 6266] close(14 [pid 6265] close(27 [pid 5030] <... mkdir resumed>) = 0 [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] close(28 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(15 [pid 6267] close(13 [pid 6265] close(29 [pid 5031] fstat(3, [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5029] umount2("./96", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6265] <... write resumed>) = 335 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6265] exit_group(0 [pid 6267] close(14 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6268] <... futex resumed>) = ? [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... exit_group resumed>) = ? [pid 5031] getdents64(3, ./strace-static-x86_64: Process 6271 attached [pid 6268] +++ exited with 0 +++ [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(16 [pid 5029] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6271] set_robust_list(0x55555580e6e0, 24 [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6271] <... set_robust_list resumed>) = 0 [pid 6271] chdir("./96" [pid 6265] +++ exited with 0 +++ [pid 6271] <... chdir resumed>) = 0 [pid 6271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6271] setpgid(0, 0 [pid 5031] umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... openat resumed>) = 3 [pid 6267] close(15 [pid 6271] <... setpgid resumed>) = 0 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=208, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 194 [pid 5029] fstat(3, [pid 6271] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6267] close(16 [pid 6266] close(17 [pid 5033] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] lstat("./99/binderfs", [pid 6271] <... symlink resumed>) = 0 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6271] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 6266] close(18 [pid 5033] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] getdents64(3, [pid 6271] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6267] close(17 [pid 6271] <... symlink resumed>) = 0 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... openat resumed>) = 3 [pid 5031] unlink("./99/binderfs" [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(19 [pid 5033] fstat(3, [pid 6271] <... openat resumed>) = 3 [pid 6267] close(18 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 5029] umount2("./96/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6271] write(3, "1000", 4 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(20 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] umount2("./99/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6271] <... write resumed>) = 4 [pid 6271] close(3) = 0 [pid 6267] close(19 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./96/binderfs", [pid 6271] read(200, 0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(21 [pid 6271] symlink("/dev/binderfs", "./binderfs" [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] lstat("./99/cgroup.net", [pid 6271] <... symlink resumed>) = 0 [pid 6271] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] close(20 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6271] <... futex resumed>) = 0 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(22 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] unlink("./96/binderfs" [pid 6271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6267] close(21 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./103/binderfs", [pid 5031] unlink("./99/cgroup.net" [pid 5029] <... unlink resumed>) = 0 [pid 6271] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(23 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5029] umount2("./96/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6271] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6267] close(22 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./103/binderfs" [pid 5031] umount2("./99/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6271] <... mprotect resumed>) = 0 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(24 [pid 5033] <... unlink resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./96/cgroup.net", [pid 6271] 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 6267] close(23 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./103/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] lstat("./99/cgroup.cpu", [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6272 attached [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(25 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] unlink("./96/cgroup.net" [pid 6272] set_robust_list(0x7f4e92bc39e0, 24 [pid 6271] <... clone resumed>, parent_tid=[195], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 195 [pid 6267] close(24 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./103/cgroup.net", [pid 5031] unlink("./99/cgroup.cpu" [pid 5029] <... unlink resumed>) = 0 [pid 6272] <... set_robust_list resumed>) = 0 [pid 6271] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(26 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5029] umount2("./96/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6272] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6271] <... futex resumed>) = 0 [pid 6267] close(25 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./103/cgroup.net" [pid 5031] umount2("./99/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6272] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6271] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(27 [pid 5033] <... unlink resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./96/cgroup.cpu", [pid 6272] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] close(26 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./103/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] lstat("./99/cgroup", [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6272] <... futex resumed>) = 1 [pid 6271] <... futex resumed>) = 0 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(28 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] unlink("./96/cgroup.cpu" [pid 6272] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6271] close(3 [pid 6267] close(27 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./103/cgroup.cpu", [pid 5031] unlink("./99/cgroup" [pid 5029] <... unlink resumed>) = 0 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(29 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5029] umount2("./96/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 6271] close(4 [pid 6267] close(28 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./103/cgroup.cpu" [pid 5031] getdents64(3, [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] <... unlink resumed>) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] lstat("./96/cgroup", [pid 6271] close(5 [pid 6267] close(29 [pid 6266] <... write resumed>) = 335 [pid 5033] umount2("./103/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] close(3 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6267] <... 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 6266] exit_group(0 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... close resumed>) = 0 [pid 5029] unlink("./96/cgroup" [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] <... futex resumed>) = ? [pid 6267] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6266] <... exit_group resumed>) = ? [pid 5033] lstat("./103/cgroup", [pid 5031] rmdir("./99" [pid 5029] <... unlink resumed>) = 0 [pid 6271] close(6 [pid 6269] +++ exited with 0 +++ [pid 6267] <... write resumed>) = 335 [pid 6266] +++ exited with 0 +++ [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] <... rmdir resumed>) = 0 [pid 5029] getdents64(3, [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] exit_group(0 [pid 5033] unlink("./103/cgroup" [pid 5031] mkdir("./100", 0777 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6271] close(7 [pid 6270] <... futex resumed>) = ? [pid 6267] <... exit_group resumed>) = ? [pid 5033] <... unlink resumed>) = 0 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5031] <... mkdir resumed>) = 0 [pid 5029] close(3 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] +++ exited with 0 +++ [pid 5032] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6271] close(8 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6271] close(9 [pid 5033] getdents64(3, [pid 5032] <... openat resumed>) = 3 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] <... close resumed>) = 0 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] +++ exited with 0 +++ [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] fstat(3, [pid 6271] close(10 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] getdents64(3, ./strace-static-x86_64: Process 6273 attached [pid 6271] close(11 [pid 5033] close(3 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] rmdir("./96" [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5033] <... close resumed>) = 0 [pid 6273] set_robust_list(0x55555580e6e0, 24 [pid 6271] close(12 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 202 [pid 5029] <... rmdir resumed>) = 0 [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=192, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6273] <... set_robust_list resumed>) = 0 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] rmdir("./103" [pid 5032] lstat("./100/binderfs", [pid 6273] chdir("./100" [pid 6271] close(13 [pid 5033] <... rmdir resumed>) = 0 [pid 5029] mkdir("./97", 0777 [pid 6273] <... chdir resumed>) = 0 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./104", 0777 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] <... mkdir resumed>) = 0 [pid 6273] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6271] close(14 [pid 5033] <... mkdir resumed>) = 0 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6273] <... prctl resumed>) = 0 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5032] unlink("./100/binderfs" [pid 6273] setpgid(0, 0 [pid 6271] close(15 [pid 5032] <... unlink resumed>) = 0 [pid 5028] umount2("./95", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./100/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6271] close(16 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./100/cgroup.net", [pid 6273] <... setpgid resumed>) = 0 [pid 6271] close(17 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6273] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./100/cgroup.net" [pid 5028] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6275 attached ./strace-static-x86_64: Process 6274 attached [pid 6273] <... symlink resumed>) = 0 [pid 6271] close(18 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 210 [pid 5032] <... unlink resumed>) = 0 [pid 6275] set_robust_list(0x55555580e6e0, 24 [pid 6274] set_robust_list(0x55555580e6e0, 24 [pid 6273] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./100/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... openat resumed>) = 3 [pid 6275] <... set_robust_list resumed>) = 0 [pid 6274] <... set_robust_list resumed>) = 0 [pid 6273] <... symlink resumed>) = 0 [pid 6271] close(19 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 196 [pid 5028] fstat(3, [pid 6275] chdir("./97" [pid 6274] chdir("./104" [pid 6273] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./100/cgroup.cpu", [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6275] <... chdir resumed>) = 0 [pid 6274] <... chdir resumed>) = 0 [pid 6273] <... symlink resumed>) = 0 [pid 6271] close(20 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] getdents64(3, [pid 6275] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6274] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./100/cgroup.cpu" [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6275] <... prctl resumed>) = 0 [pid 6274] <... prctl resumed>) = 0 [pid 6273] <... openat resumed>) = 3 [pid 6271] close(21 [pid 5032] <... unlink resumed>) = 0 [pid 5028] umount2("./95/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6275] setpgid(0, 0 [pid 6274] setpgid(0, 0 [pid 6273] write(3, "1000", 4 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./100/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6275] <... setpgid resumed>) = 0 [pid 6274] <... setpgid resumed>) = 0 [pid 6273] <... write resumed>) = 4 [pid 6271] close(22 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./95/binderfs", [pid 6275] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6274] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6273] close(3 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6274] <... symlink resumed>) = 0 [pid 6273] <... close resumed>) = 0 [pid 6271] close(23 [pid 5032] lstat("./100/cgroup", [pid 5028] unlink("./95/binderfs" [pid 6275] <... symlink resumed>) = 0 [pid 6274] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6273] read(200, [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6275] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6274] <... symlink resumed>) = 0 [pid 6273] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6271] close(24 [pid 5032] unlink("./100/cgroup" [pid 5028] umount2("./95/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6275] <... symlink resumed>) = 0 [pid 6274] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6273] symlink("/dev/binderfs", "./binderfs" [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6275] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6274] <... symlink resumed>) = 0 [pid 6273] <... symlink resumed>) = 0 [pid 6271] close(25 [pid 5032] getdents64(3, [pid 5028] lstat("./95/cgroup.net", [pid 6274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6273] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6275] <... symlink resumed>) = 0 [pid 6274] <... openat resumed>) = 3 [pid 6273] <... futex resumed>) = 0 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] unlink("./95/cgroup.net" [pid 6275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6274] write(3, "1000", 4 [pid 6273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6271] close(26 [pid 5032] close(3 [pid 5028] <... unlink resumed>) = 0 [pid 6275] <... openat resumed>) = 3 [pid 6274] <... write resumed>) = 4 [pid 6273] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... close resumed>) = 0 [pid 5028] umount2("./95/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6275] write(3, "1000", 4 [pid 6274] close(3 [pid 6273] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6271] close(27 [pid 5032] rmdir("./100" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6275] <... write resumed>) = 4 [pid 6274] <... close resumed>) = 0 [pid 6273] <... mprotect resumed>) = 0 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... rmdir resumed>) = 0 [pid 5028] lstat("./95/cgroup.cpu", [pid 6275] close(3 [pid 6274] read(200, [pid 6273] 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 6271] close(28 [pid 5032] mkdir("./101", 0777 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6276 attached [pid 6275] <... close resumed>) = 0 [pid 6274] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... mkdir resumed>) = 0 [pid 5028] unlink("./95/cgroup.cpu" [pid 6276] set_robust_list(0x7f4e92bc39e0, 24 [pid 6275] read(200, [pid 6274] symlink("/dev/binderfs", "./binderfs" [pid 6273] <... clone resumed>, parent_tid=[203], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 203 [pid 6271] close(29 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] <... unlink resumed>) = 0 [pid 6276] <... set_robust_list resumed>) = 0 [pid 6275] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6274] <... symlink resumed>) = 0 [pid 6273] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] umount2("./95/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 6276] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6275] symlink("/dev/binderfs", "./binderfs" [pid 6274] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] <... futex resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6271] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6276] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6275] <... symlink resumed>) = 0 [pid 6274] <... futex resumed>) = 0 [pid 6273] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5028] lstat("./95/cgroup", [pid 6276] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6271] <... write resumed>) = 335 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 6277 attached [pid 6276] <... futex resumed>) = 0 [pid 6275] <... futex resumed>) = 0 [pid 6274] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6273] close(3 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 204 [pid 5028] unlink("./95/cgroup" [pid 6277] set_robust_list(0x55555580e6e0, 24 [pid 6276] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6275] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6274] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] exit_group(0 [pid 5028] <... unlink resumed>) = 0 [pid 6277] <... set_robust_list resumed>) = 0 [pid 6275] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6274] <... mprotect resumed>) = 0 [pid 6273] close(4 [pid 6272] <... futex resumed>) = ? [pid 6271] <... exit_group resumed>) = ? [pid 5028] getdents64(3, [pid 6274] 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 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] +++ exited with 0 +++ [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6278 attached [pid 6273] close(5 [pid 5028] close(3 [pid 6278] set_robust_list(0x7f4e92bc39e0, 24 [pid 6274] <... clone resumed>, parent_tid=[211], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 211 [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... close resumed>) = 0 [pid 6278] <... set_robust_list resumed>) = 0 [pid 6277] chdir("./101" [pid 6275] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6274] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] close(6 [pid 6271] +++ exited with 0 +++ [pid 5028] rmdir("./95" [pid 6278] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6277] <... chdir resumed>) = 0 [pid 6275] <... mprotect resumed>) = 0 [pid 6274] <... futex resumed>) = 0 [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5028] <... rmdir resumed>) = 0 [pid 6278] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6277] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6275] 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 6274] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6273] close(7 [pid 5028] mkdir("./96", 0777./strace-static-x86_64: Process 6279 attached [pid 6278] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... prctl resumed>) = 0 [pid 6274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... mkdir resumed>) = 0 [pid 6279] set_robust_list(0x7f4e92bc39e0, 24 [pid 6278] <... futex resumed>) = 0 [pid 6277] setpgid(0, 0 [pid 6275] <... clone resumed>, parent_tid=[197], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 197 [pid 6274] close(3 [pid 6273] close(8 [pid 5030] umount2("./96", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6280 attached [pid 6279] <... set_robust_list resumed>) = 0 [pid 6278] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6277] <... setpgid resumed>) = 0 [pid 6275] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6280] set_robust_list(0x55555580e6e0, 24 [pid 6279] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6277] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6274] close(4 [pid 6273] close(9 [pid 6275] <... futex resumed>) = 0 [pid 5030] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6280] <... set_robust_list resumed>) = 0 [pid 6279] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6277] <... symlink resumed>) = 0 [pid 6275] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... openat resumed>) = 3 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 194 [pid 6280] chdir("./96" [pid 6279] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6274] close(5 [pid 6273] close(10 [pid 5030] fstat(3, [pid 6280] <... chdir resumed>) = 0 [pid 6279] <... futex resumed>) = 0 [pid 6277] <... symlink resumed>) = 0 [pid 6275] close(3 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6280] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6279] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6277] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] close(6 [pid 6273] close(11 [pid 5030] getdents64(3, [pid 6280] <... prctl resumed>) = 0 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6280] setpgid(0, 0 [pid 6277] <... symlink resumed>) = 0 [pid 6275] close(4 [pid 6274] close(7 [pid 6273] close(12 [pid 5030] umount2("./96/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6280] <... setpgid resumed>) = 0 [pid 6277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6280] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6274] close(8 [pid 6273] close(13 [pid 5030] lstat("./96/binderfs", [pid 6277] <... openat resumed>) = 3 [pid 6280] <... symlink resumed>) = 0 [pid 6275] close(5 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6280] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6277] write(3, "1000", 4 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] close(9 [pid 6273] close(14 [pid 5030] unlink("./96/binderfs" [pid 6280] <... symlink resumed>) = 0 [pid 6277] <... write resumed>) = 4 [pid 6275] close(6 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6280] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6277] close(3 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] close(10 [pid 6273] close(15 [pid 5030] umount2("./96/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6280] <... symlink resumed>) = 0 [pid 6277] <... close resumed>) = 0 [pid 6275] close(7 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6277] read(200, [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] close(11 [pid 6273] close(16 [pid 5030] lstat("./96/cgroup.net", [pid 6280] <... openat resumed>) = 3 [pid 6277] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6275] close(8 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6280] write(3, "1000", 4 [pid 6277] symlink("/dev/binderfs", "./binderfs" [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] close(12 [pid 6273] close(17 [pid 5030] unlink("./96/cgroup.net" [pid 6280] <... write resumed>) = 4 [pid 6277] <... symlink resumed>) = 0 [pid 6275] close(9 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6280] close(3 [pid 6277] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] close(13 [pid 6273] close(18 [pid 5030] umount2("./96/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6280] <... close resumed>) = 0 [pid 6277] <... futex resumed>) = 0 [pid 6275] close(10 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6280] read(200, [pid 6277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] close(14 [pid 6273] close(19 [pid 5030] lstat("./96/cgroup.cpu", [pid 6280] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6277] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6275] close(11 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6280] symlink("/dev/binderfs", "./binderfs" [pid 6277] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] close(15 [pid 6273] close(20 [pid 5030] unlink("./96/cgroup.cpu" [pid 6280] <... symlink resumed>) = 0 [pid 6275] close(12 [pid 6277] <... mprotect resumed>) = 0 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] close(13 [pid 5030] <... unlink resumed>) = 0 [pid 6273] close(21 [pid 6277] 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 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] close(16 [pid 6280] <... futex resumed>) = 0 [pid 5030] umount2("./96/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6281 attached [pid 6280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] close(22 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6281] set_robust_list(0x7f4e92bc39e0, 24 [pid 6280] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6277] <... clone resumed>, parent_tid=[205], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 205 [pid 6275] close(14 [pid 6274] close(17 [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./96/cgroup", [pid 6281] <... set_robust_list resumed>) = 0 [pid 6280] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6277] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] close(23 [pid 6275] close(15 [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6280] <... mprotect resumed>) = 0 [pid 6281] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6277] <... futex resumed>) = 0 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] close(18 [pid 6273] close(24 [pid 5030] unlink("./96/cgroup" [pid 6281] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6280] 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 6277] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6275] close(16 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6282 attached [pid 6281] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] close(19 [pid 6273] close(25 [pid 5030] getdents64(3, [pid 6282] set_robust_list(0x7f4e92bc39e0, 24 [pid 6281] <... futex resumed>) = 0 [pid 6280] <... clone resumed>, parent_tid=[195], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 195 [pid 6277] close(3 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6282] <... set_robust_list resumed>) = 0 [pid 6281] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6280] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] close(17 [pid 6274] close(20 [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] close(3 [pid 6282] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6280] <... futex resumed>) = 0 [pid 6277] close(4 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] close(26 [pid 5030] <... close resumed>) = 0 [pid 6282] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6280] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] close(18 [pid 6274] close(21 [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] rmdir("./96" [pid 6282] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] close(5 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] close(27 [pid 6282] <... futex resumed>) = 1 [pid 6280] <... futex resumed>) = 0 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] close(22 [pid 5030] <... rmdir resumed>) = 0 [pid 6282] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6280] close(3 [pid 6277] close(6 [pid 6275] close(19 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] mkdir("./97", 0777 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] close(23 [pid 6273] close(28 [pid 6280] close(4 [pid 6277] close(7 [pid 6275] close(20 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... mkdir resumed>) = 0 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] close(24 [pid 6273] close(29 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6280] close(5 [pid 6277] close(8 [pid 6275] close(21 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] <... 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 6274] close(25 [pid 6273] 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 6283 attached [pid 6280] close(6 [pid 6277] close(9 [pid 6275] close(22 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... write resumed>) = 335 [pid 6283] set_robust_list(0x55555580e6e0, 24 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] exit_group(0 [pid 6283] <... set_robust_list resumed>) = 0 [pid 6280] close(7 [pid 6277] close(10 [pid 6275] close(23 [pid 6274] close(26 [pid 6273] <... exit_group resumed>) = ? [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 196 [pid 6283] chdir("./97" [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] <... futex resumed>) = ? [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] <... chdir resumed>) = 0 [pid 6280] close(8 [pid 6277] close(11 [pid 6276] +++ exited with 0 +++ [pid 6275] close(24 [pid 6274] close(27 [pid 6273] +++ exited with 0 +++ [pid 6283] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] <... prctl resumed>) = 0 [pid 6280] close(9 [pid 6277] close(12 [pid 6275] close(25 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6283] setpgid(0, 0 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] close(28 [pid 6283] <... setpgid resumed>) = 0 [pid 6280] close(10 [pid 6277] close(13 [pid 6275] close(26) = -1 EBADF (Bad file descriptor) [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6280] close(11 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] close(27 [pid 6274] close(29 [pid 6283] <... symlink resumed>) = 0 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] close(14 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6280] close(12 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] close(28) = -1 EBADF (Bad file descriptor) [pid 6274] 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 6283] <... symlink resumed>) = 0 [pid 6283] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] close(15 [pid 6275] close(29 [pid 6274] <... write resumed>) = 335 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] <... 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 6283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6280] close(13 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6274] exit_group(0 [pid 5031] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6283] <... openat resumed>) = 3 [pid 6275] <... write resumed>) = 335 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6283] write(3, "1000", 4 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] <... futex resumed>) = ? [pid 6277] close(16 [pid 6275] exit_group(0 [pid 6274] <... exit_group resumed>) = ? [pid 5031] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6283] <... write resumed>) = 4 [pid 6280] close(14 [pid 6278] +++ exited with 0 +++ [pid 6275] <... exit_group resumed>) = ? [pid 5031] <... openat resumed>) = 3 [pid 6283] close(3 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] <... futex resumed>) = ? [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] fstat(3, [pid 6283] <... close resumed>) = 0 [pid 6280] close(15 [pid 6279] +++ exited with 0 +++ [pid 6277] close(17 [pid 6275] +++ exited with 0 +++ [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6283] read(200, [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] getdents64(3, [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=196, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6283] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6280] close(16 [pid 6277] close(18 [pid 6274] +++ exited with 0 +++ [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6283] symlink("/dev/binderfs", "./binderfs" [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5031] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6283] <... symlink resumed>) = 0 [pid 6280] close(17 [pid 6277] close(19 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./97", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] lstat("./100/binderfs", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6283] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6283] <... futex resumed>) = 0 [pid 6280] close(18 [pid 6277] close(20 [pid 5031] unlink("./100/binderfs" [pid 5029] <... openat resumed>) = 3 [pid 6283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... unlink resumed>) = 0 [pid 6283] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6280] close(19 [pid 6277] close(21 [pid 5029] fstat(3, [pid 6283] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] umount2("./100/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6283] <... mprotect resumed>) = 0 [pid 6280] close(20 [pid 6277] close(22 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6283] 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 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] getdents64(3, ./strace-static-x86_64: Process 6284 attached [pid 6280] close(21 [pid 6277] close(23 [pid 5033] <... openat resumed>) = 3 [pid 5031] lstat("./100/cgroup.net", [pid 6283] <... clone resumed>, parent_tid=[197], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 197 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6284] set_robust_list(0x7f4e92bc39e0, 24 [pid 6283] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] close(22 [pid 6277] close(24 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] umount2("./97/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6284] <... set_robust_list resumed>) = 0 [pid 6283] <... futex resumed>) = 0 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 6283] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] close(23 [pid 6277] close(25 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] unlink("./100/cgroup.net" [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6280] close(24 [pid 6277] close(26 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6284] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./104/binderfs", [pid 5031] <... unlink resumed>) = 0 [pid 5029] lstat("./97/binderfs", [pid 6284] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6280] close(25 [pid 6277] close(27 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] umount2("./100/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6284] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./104/binderfs" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6284] <... futex resumed>) = 1 [pid 6283] <... futex resumed>) = 0 [pid 6280] close(26 [pid 6277] close(28 [pid 5033] <... unlink resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6284] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6283] close(3 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./104/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./97/binderfs" [pid 5031] lstat("./100/cgroup.cpu", [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] close(27 [pid 6277] close(29 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 6283] close(4 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./104/cgroup.net", [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] umount2("./97/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6283] <... 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 6280] close(28 [pid 6277] 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] unlink("./100/cgroup.cpu" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6283] close(5 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... write resumed>) = 335 [pid 5033] unlink("./104/cgroup.net" [pid 5029] lstat("./97/cgroup.net", [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] close(29 [pid 6277] exit_group(0 [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6283] close(6 [pid 6281] <... futex resumed>) = ? [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... exit_group resumed>) = ? [pid 5033] <... unlink resumed>) = 0 [pid 5031] umount2("./100/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./97/cgroup.net" [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] +++ exited with 0 +++ [pid 5033] umount2("./104/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6283] close(7 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] lstat("./100/cgroup", [pid 5029] <... unlink resumed>) = 0 [pid 5033] lstat("./104/cgroup.cpu", [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] close(8 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] unlink("./100/cgroup" [pid 5029] umount2("./97/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6277] +++ exited with 0 +++ [pid 5033] unlink("./104/cgroup.cpu"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 6283] close(9 [pid 6280] <... write resumed>) = 335 [pid 5033] <... unlink resumed>) = 0 [pid 5031] getdents64(3, [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] exit_group(0 [pid 5033] umount2("./104/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] lstat("./97/cgroup.cpu", [pid 6283] close(10 [pid 6282] <... futex resumed>) = ? [pid 6280] <... exit_group resumed>) = ? [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] close(3 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] unlink("./97/cgroup.cpu" [pid 6283] close(11 [pid 5029] <... unlink resumed>) = 0 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] umount2("./97/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6283] close(12 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] +++ exited with 0 +++ [pid 6280] +++ exited with 0 +++ [pid 5033] lstat("./104/cgroup", [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... close resumed>) = 0 [pid 5029] lstat("./97/cgroup", [pid 6283] close(13 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] unlink("./97/cgroup" [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6283] close(14 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] rmdir("./100" [pid 5029] <... unlink resumed>) = 0 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./104/cgroup" [pid 5032] <... openat resumed>) = 3 [pid 5031] <... rmdir resumed>) = 0 [pid 5029] getdents64(3, [pid 6283] close(15 [pid 5033] <... unlink resumed>) = 0 [pid 5032] fstat(3, [pid 5031] mkdir("./101", 0777 [pid 5033] getdents64(3, [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] <... mkdir resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] getdents64(3, [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] umount2("./96", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6283] close(16 [pid 5033] close(3 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] close(3 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... close resumed>) = 0 [pid 5028] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6283] close(17 [pid 5029] rmdir("./97" [pid 5028] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6285 attached [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = 0 [pid 5032] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... rmdir resumed>) = 0 [pid 5028] fstat(3, [pid 6285] set_robust_list(0x55555580e6e0, 24 [pid 6283] close(18 [pid 5033] rmdir("./104" [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 204 [pid 5029] mkdir("./98", 0777 [pid 6285] <... set_robust_list resumed>) = 0 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... rmdir resumed>) = 0 [pid 5032] lstat("./101/binderfs", [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6285] chdir("./101" [pid 5033] mkdir("./105", 0777 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6285] <... chdir resumed>) = 0 [pid 5033] <... mkdir resumed>) = 0 [pid 5032] unlink("./101/binderfs" [pid 6285] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5032] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6286 attached [pid 6285] <... prctl resumed>) = 0 [pid 6283] close(19 [pid 5032] umount2("./101/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... mkdir resumed>) = 0 [pid 5028] getdents64(3, [pid 6286] set_robust_list(0x55555580e6e0, 24 [pid 6285] setpgid(0, 0 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 212 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6286] <... set_robust_list resumed>) = 0 [pid 6285] <... setpgid resumed>) = 0 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./101/cgroup.net", [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6286] chdir("./105" [pid 6285] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6286] <... chdir resumed>) = 0 [pid 6285] <... symlink resumed>) = 0 [pid 6283] close(20 [pid 5032] unlink("./101/cgroup.net" [pid 6286] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6285] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5032] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6287 attached [pid 6286] <... prctl resumed>) = 0 [pid 6285] <... symlink resumed>) = 0 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./101/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] umount2("./96/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6287] set_robust_list(0x55555580e6e0, 24 [pid 6286] setpgid(0, 0 [pid 6285] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6283] close(21 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6287] <... set_robust_list resumed>) = 0 [pid 6286] <... setpgid resumed>) = 0 [pid 6285] <... symlink resumed>) = 0 [pid 5032] lstat("./101/cgroup.cpu", [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 198 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6287] chdir("./98" [pid 6286] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6283] close(22 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6287] <... chdir resumed>) = 0 [pid 6286] <... symlink resumed>) = 0 [pid 6285] <... openat resumed>) = 3 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] unlink("./101/cgroup.cpu" [pid 5028] lstat("./96/binderfs", [pid 6287] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6286] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6285] write(3, "1000", 4 [pid 6283] close(23 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6287] <... prctl resumed>) = 0 [pid 6286] <... symlink resumed>) = 0 [pid 6285] <... write resumed>) = 4 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5028] unlink("./96/binderfs" [pid 6287] setpgid(0, 0 [pid 6286] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6285] close(3 [pid 6283] close(24 [pid 5032] umount2("./101/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 [pid 6287] <... setpgid resumed>) = 0 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] umount2("./96/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6287] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6286] <... symlink resumed>) = 0 [pid 6285] <... close resumed>) = 0 [pid 6283] close(25 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6287] <... symlink resumed>) = 0 [pid 6286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] lstat("./96/cgroup.net", [pid 6287] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6286] <... openat resumed>) = 3 [pid 6285] read(200, [pid 6283] close(26 [pid 5032] lstat("./101/cgroup", [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6287] <... symlink resumed>) = 0 [pid 6286] write(3, "1000", 4 [pid 6285] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] unlink("./96/cgroup.net" [pid 6287] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6286] <... write resumed>) = 4 [pid 6285] symlink("/dev/binderfs", "./binderfs" [pid 6283] close(27 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6287] <... symlink resumed>) = 0 [pid 6286] close(3 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] umount2("./96/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6285] <... symlink resumed>) = 0 [pid 6283] close(28 [pid 5032] unlink("./101/cgroup" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6287] <... openat resumed>) = 3 [pid 6286] <... close resumed>) = 0 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5028] lstat("./96/cgroup.cpu", [pid 6287] write(3, "1000", 4write 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 6286] read(200, [pid 6285] <... futex resumed>) = 0 [pid 6283] close(29 [pid 5032] <... unlink resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6287] <... write resumed>) = 4 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] unlink("./96/cgroup.cpu" [pid 6287] close(3 [pid 6286] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6283] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] getdents64(3, [pid 5028] <... unlink resumed>) = 0 [pid 6287] <... close resumed>) = 0 [pid 6286] symlink("/dev/binderfs", "./binderfs" [pid 6285] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6283] <... write resumed>) = 335 [pid 5028] umount2("./96/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6287] read(200, [pid 6283] exit_group(0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6287] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6286] <... symlink resumed>) = 0 [pid 6285] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6284] <... futex resumed>) = ? [pid 6283] <... exit_group resumed>) = ? [pid 5032] close(3 [pid 5028] lstat("./96/cgroup", [pid 6287] symlink("/dev/binderfs", "./binderfs" [pid 6286] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] <... mprotect resumed>) = 0 [pid 6284] +++ exited with 0 +++ [pid 6283] +++ exited with 0 +++ [pid 5032] <... close resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6287] <... symlink resumed>) = 0 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=196, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5028] unlink("./96/cgroup" [pid 6287] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] <... futex resumed>) = 0 [pid 6285] 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] rmdir("./101" [pid 5028] <... unlink resumed>) = 0 [pid 6287] <... futex resumed>) = 0 [pid 6286] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5032] <... rmdir resumed>) = 0 [pid 5028] getdents64(3, ./strace-static-x86_64: Process 6288 attached [pid 6287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5032] mkdir("./102", 0777 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6288] set_robust_list(0x7f4e92bc39e0, 24 [pid 6287] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6286] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6285] <... clone resumed>, parent_tid=[205], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 205 [pid 5032] <... mkdir resumed>) = 0 [pid 5028] close(3 [pid 6288] <... set_robust_list resumed>) = 0 [pid 6287] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] <... close resumed>) = 0 ./strace-static-x86_64: Process 6289 attached [pid 6288] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6287] <... mprotect resumed>) = 0 [pid 6286] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6285] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] umount2("./97", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] rmdir("./96" [pid 6289] set_robust_list(0x55555580e6e0, 24 [pid 6288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6287] 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 6286] <... mprotect resumed>) = 0 [pid 6285] <... futex resumed>) = 0 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 206 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6290 attached [pid 6289] <... set_robust_list resumed>) = 0 [pid 6288] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6286] 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] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] mkdir("./97", 0777./strace-static-x86_64: Process 6291 attached [pid 6290] set_robust_list(0x7f4e92bc39e0, 24 [pid 6289] chdir("./102" [pid 6288] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6287] <... clone resumed>, parent_tid=[199], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 199 [pid 6285] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5030] <... openat resumed>) = 3 [pid 5028] <... mkdir resumed>) = 0 [pid 6291] set_robust_list(0x7f4e92bc39e0, 24 [pid 6290] <... set_robust_list resumed>) = 0 [pid 6289] <... chdir resumed>) = 0 [pid 6288] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] <... clone resumed>, parent_tid=[213], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 213 [pid 6285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5030] fstat(3, [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6292 attached [pid 6291] <... set_robust_list resumed>) = 0 [pid 6290] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6289] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6288] <... futex resumed>) = 0 [pid 6287] <... futex resumed>) = 0 [pid 6286] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] close(3 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6290] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6289] <... prctl resumed>) = 0 [pid 6288] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6287] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5030] getdents64(3, [pid 6290] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] setpgid(0, 0 [pid 6287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 196 [pid 6292] set_robust_list(0x55555580e6e0, 24 [pid 6291] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6290] <... futex resumed>) = 0 [pid 6289] <... setpgid resumed>) = 0 [pid 6287] close(3 [pid 6286] <... futex resumed>) = 0 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./97/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6292] <... set_robust_list resumed>) = 0 [pid 6291] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6290] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6289] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6292] chdir("./97" [pid 6291] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] <... symlink resumed>) = 0 [pid 6287] close(4 [pid 6286] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6285] close(4 [pid 5030] lstat("./97/binderfs", [pid 6292] <... chdir resumed>) = 0 [pid 6291] <... futex resumed>) = 0 [pid 6289] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6292] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6291] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6289] <... symlink resumed>) = 0 [pid 6287] close(5 [pid 6286] close(3 [pid 6285] close(5 [pid 5030] unlink("./97/binderfs" [pid 6292] <... prctl resumed>) = 0 [pid 6289] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6292] setpgid(0, 0 [pid 6289] <... symlink resumed>) = 0 [pid 6287] close(6 [pid 6286] close(4 [pid 6285] close(6 [pid 5030] umount2("./97/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6292] <... setpgid resumed>) = 0 [pid 6289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6292] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6289] <... openat resumed>) = 3 [pid 6287] close(7 [pid 6286] close(5 [pid 6285] close(7 [pid 5030] lstat("./97/cgroup.net", [pid 6292] <... symlink resumed>) = 0 [pid 6289] write(3, "1000", 4 [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6292] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6289] <... write resumed>) = 4 [pid 6287] close(8 [pid 6286] close(6 [pid 6285] close(8 [pid 5030] unlink("./97/cgroup.net" [pid 6292] <... symlink resumed>) = 0 [pid 6289] close(3 [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6292] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6289] <... close resumed>) = 0 [pid 6287] close(9 [pid 6286] close(7 [pid 6285] close(9 [pid 5030] umount2("./97/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6292] <... symlink resumed>) = 0 [pid 6289] read(200, [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6289] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6287] close(10 [pid 6286] close(8 [pid 6285] close(10 [pid 5030] lstat("./97/cgroup.cpu", [pid 6289] symlink("/dev/binderfs", "./binderfs" [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6292] <... openat resumed>) = 3 [pid 6289] <... symlink resumed>) = 0 [pid 6287] close(11 [pid 6286] close(9 [pid 6285] close(11 [pid 5030] unlink("./97/cgroup.cpu" [pid 6292] write(3, "1000", 4 [pid 6289] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6292] <... write resumed>) = 4 [pid 6289] <... futex resumed>) = 0 [pid 6287] close(12 [pid 6286] close(10 [pid 6285] close(12 [pid 5030] umount2("./97/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6292] close(3) = 0 [pid 6289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6292] read(200, [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6292] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6289] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6287] close(13 [pid 6286] close(11 [pid 6285] close(13 [pid 6292] symlink("/dev/binderfs", "./binderfs" [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./97/cgroup", [pid 6292] <... symlink resumed>) = 0 [pid 6289] <... mprotect resumed>) = 0 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] close(14 [pid 6285] close(14 [pid 6286] close(12 [pid 6292] <... futex resumed>) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6289] 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 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./97/cgroup"./strace-static-x86_64: Process 6293 attached [pid 6292] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6287] close(15 [pid 6293] set_robust_list(0x7f4e92bc39e0, 24 [pid 6292] <... mprotect resumed>) = 0 [pid 6286] close(13 [pid 6285] close(15 [pid 5030] <... unlink resumed>) = 0 [pid 6293] <... set_robust_list resumed>) = 0 [pid 6292] 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 6289] <... clone resumed>, parent_tid=[207], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 207 [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] getdents64(3, ./strace-static-x86_64: Process 6294 attached [pid 6293] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6289] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] close(16 [pid 6286] close(14 [pid 6285] close(16 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6294] set_robust_list(0x7f4e92bc39e0, 24 [pid 6293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6292] <... clone resumed>, parent_tid=[197], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 197 [pid 6289] <... futex resumed>) = 0 [pid 6294] <... set_robust_list resumed>) = 0 [pid 6293] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6292] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] close(3 [pid 6294] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6293] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6292] <... futex resumed>) = 0 [pid 6287] close(17 [pid 6286] close(15 [pid 6285] close(17 [pid 5030] <... close resumed>) = 0 [pid 6294] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6293] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6294] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] <... futex resumed>) = 1 [pid 6292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6289] <... futex resumed>) = 0 [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] rmdir("./97" [pid 6294] <... futex resumed>) = 0 [pid 6293] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6292] close(3 [pid 6289] close(3 [pid 6287] close(18 [pid 6286] close(16 [pid 6285] close(18 [pid 6294] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... rmdir resumed>) = 0 [pid 6292] close(4 [pid 6289] close(4 [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] close(17 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] close(19 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] close(19 [pid 5030] mkdir("./98", 0777 [pid 6292] close(5 [pid 6289] close(5 [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] close(18 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... mkdir resumed>) = 0 [pid 6292] close(6 [pid 6289] close(6 [pid 6287] close(20 [pid 6286] close(19 [pid 6285] close(20 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6295 attached [pid 6292] close(7 [pid 6289] close(7 [pid 6287] close(21 [pid 6286] close(20 [pid 6285] close(21 [pid 6295] set_robust_list(0x55555580e6e0, 24 [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... set_robust_list resumed>) = 0 [pid 6292] close(8 [pid 6289] close(8 [pid 6286] close(21 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 198 [pid 6295] chdir("./98" [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... chdir resumed>) = 0 [pid 6292] close(9 [pid 6289] close(9 [pid 6286] close(22 [pid 6295] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... prctl resumed>) = 0 [pid 6292] close(10 [pid 6289] close(10 [pid 6286] close(23 [pid 6295] setpgid(0, 0 [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... setpgid resumed>) = 0 [pid 6292] close(11 [pid 6289] close(11 [pid 6286] close(24 [pid 6295] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... symlink resumed>) = 0 [pid 6292] close(12 [pid 6289] close(12 [pid 6287] close(22 [pid 6286] close(25 [pid 6285] close(22 [pid 6295] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... symlink resumed>) = 0 [pid 6292] close(13 [pid 6289] close(13 [pid 6287] close(23 [pid 6286] close(26 [pid 6285] close(23 [pid 6295] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... symlink resumed>) = 0 [pid 6292] close(14 [pid 6289] close(14 [pid 6287] close(24 [pid 6286] close(27 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... openat resumed>) = 3 [pid 6292] close(15 [pid 6289] close(15 [pid 6286] close(28 [pid 6285] close(24 [pid 6295] write(3, "1000", 4 [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... write resumed>) = 4 [pid 6292] close(16 [pid 6289] close(16 [pid 6287] close(25 [pid 6286] close(29 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] close(3 [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] 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 6295] <... close resumed>) = 0 [pid 6292] close(17 [pid 6289] close(17 [pid 6287] close(26 [pid 6286] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] read(200, [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... write resumed>) = 335 [pid 6285] close(26 [pid 6295] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6292] close(18 [pid 6289] close(18 [pid 6287] close(27 [pid 6286] exit_group(0 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] symlink("/dev/binderfs", "./binderfs" [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] <... futex resumed>) = ? [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... exit_group resumed>) = ? [pid 6285] close(27 [pid 6295] <... symlink resumed>) = 0 [pid 6292] close(19 [pid 6291] +++ exited with 0 +++ [pid 6289] close(19 [pid 6287] close(28 [pid 6295] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... futex resumed>) = 0 [pid 6292] close(20 [pid 6289] close(20 [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] +++ exited with 0 +++ [pid 6285] close(28 [pid 6295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] close(29 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=212, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6295] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6292] close(21 [pid 6289] close(21 [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] close(29 [pid 6295] 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 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... mprotect resumed>) = 0 [pid 6292] close(22 [pid 6289] close(22 [pid 6287] <... write resumed>) = 335 [pid 6285] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6295] 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 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] exit_group(0 [pid 6285] <... write resumed>) = 335 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6296 attached [pid 6292] close(23 [pid 6290] <... futex resumed>) = ? [pid 6289] close(23 [pid 6287] <... exit_group resumed>) = ? [pid 6285] exit_group(0 [pid 5033] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6296] set_robust_list(0x7f4e92bc39e0, 24 [pid 6295] <... clone resumed>, parent_tid=[199], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 199 [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] +++ exited with 0 +++ [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6288] <... futex resumed>) = ? [pid 6287] +++ exited with 0 +++ [pid 6285] <... exit_group resumed>) = ? [pid 5033] <... openat resumed>) = 3 [pid 6296] <... set_robust_list resumed>) = 0 [pid 6295] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] close(24 [pid 6289] close(24 [pid 6288] +++ exited with 0 +++ [pid 6285] +++ exited with 0 +++ [pid 5033] fstat(3, [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6296] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6295] <... futex resumed>) = 0 [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6296] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6295] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6292] close(25 [pid 6289] close(25 [pid 5033] getdents64(3, [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6296] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6296] <... futex resumed>) = 1 [pid 6295] <... futex resumed>) = 0 [pid 6292] close(26 [pid 6289] close(26 [pid 5033] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6295] close(3 [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6296] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] close(27 [pid 6289] close(27 [pid 5033] lstat("./105/binderfs", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./98", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6295] close(4 [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... 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 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] close(28 [pid 6289] close(28 [pid 5033] unlink("./105/binderfs" [pid 5031] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6295] close(5 [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5029] <... openat resumed>) = 3 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] close(29 [pid 6289] close(29 [pid 5033] umount2("./105/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... openat resumed>) = 3 [pid 5029] fstat(3, [pid 6295] close(6 [pid 6292] <... 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 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] fstat(3, [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6289] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] lstat("./105/cgroup.net", [pid 5029] getdents64(3, [pid 6295] close(7 [pid 6292] <... write resumed>) = 335 [pid 6289] <... write resumed>) = 335 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] exit_group(0 [pid 6289] exit_group(0 [pid 5033] unlink("./105/cgroup.net" [pid 5029] umount2("./98/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6295] close(8 [pid 6294] <... futex resumed>) = ? [pid 6293] <... futex resumed>) = ? [pid 6292] <... exit_group resumed>) = ? [pid 6289] <... exit_group resumed>) = ? [pid 5033] <... unlink resumed>) = 0 [pid 5031] getdents64(3, [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] +++ exited with 0 +++ [pid 6293] +++ exited with 0 +++ [pid 6292] +++ exited with 0 +++ [pid 5033] umount2("./105/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] lstat("./98/binderfs", [pid 6295] close(9 [pid 6289] +++ exited with 0 +++ [pid 5031] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] restart_syscall(<... resuming interrupted clone ...> [pid 5031] lstat("./101/binderfs", [pid 5028] <... restart_syscall resumed>) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] unlink("./101/binderfs") = 0 [pid 5028] umount2("./97", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./101/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./105/cgroup.cpu", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6295] close(10 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] lstat("./101/cgroup.net", [pid 5029] unlink("./98/binderfs" [pid 5028] <... openat resumed>) = 3 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./105/cgroup.cpu" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] fstat(3, [pid 6295] close(11 [pid 5033] <... unlink resumed>) = 0 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5031] unlink("./101/cgroup.net" [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./105/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... unlink resumed>) = 0 [pid 5028] getdents64(3, [pid 6295] close(12 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./101/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./98/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./105/cgroup", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./97/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6295] close(13 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] lstat("./101/cgroup.cpu", [pid 5029] lstat("./98/cgroup.net", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./105/cgroup" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] lstat("./97/binderfs", [pid 6295] close(14 [pid 5033] <... unlink resumed>) = 0 [pid 5031] unlink("./101/cgroup.cpu" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5032] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... unlink resumed>) = 0 [pid 5028] unlink("./97/binderfs" [pid 6295] close(15 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./101/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./98/cgroup.net" [pid 5028] <... unlink resumed>) = 0 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5032] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./97/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6295] close(16 [pid 5031] lstat("./101/cgroup", [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = 0 [pid 5032] <... openat resumed>) = 3 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] lstat("./97/cgroup.net", [pid 6295] close(17 [pid 5031] unlink("./101/cgroup" [pid 5029] umount2("./98/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5033] rmdir("./105" [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] fstat(3, [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./97/cgroup.net" [pid 6295] close(18 [pid 5033] <... rmdir resumed>) = 0 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] getdents64(3, [pid 5028] <... unlink resumed>) = 0 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./106", 0777 [pid 5032] getdents64(3, [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] lstat("./98/cgroup.cpu", [pid 5028] umount2("./97/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6295] close(19 [pid 5033] <... mkdir resumed>) = 0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] close(3 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5032] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... close resumed>) = 0 [pid 5028] lstat("./97/cgroup.cpu", [pid 6295] close(20 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] rmdir("./101" [pid 5029] unlink("./98/cgroup.cpu" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... rmdir resumed>) = 0 [pid 5028] unlink("./97/cgroup.cpu"./strace-static-x86_64: Process 6297 attached [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] lstat("./102/binderfs", [pid 5031] mkdir("./102", 0777 [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6297] set_robust_list(0x55555580e6e0, 24 [pid 6295] close(21 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 214 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] umount2("./98/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6297] <... set_robust_list resumed>) = 0 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... mkdir resumed>) = 0 [pid 5028] umount2("./97/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6297] chdir("./106" [pid 6295] close(22 [pid 5032] unlink("./102/binderfs" [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6297] <... chdir resumed>) = 0 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5029] lstat("./98/cgroup", [pid 6297] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6295] close(23 [pid 5032] umount2("./102/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] lstat("./97/cgroup", ./strace-static-x86_64: Process 6298 attached [pid 6297] <... prctl resumed>) = 0 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 206 [pid 5029] unlink("./98/cgroup" [pid 6298] set_robust_list(0x55555580e6e0, 24 [pid 6297] setpgid(0, 0 [pid 6295] close(24 [pid 5032] lstat("./102/cgroup.net", [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6298] <... set_robust_list resumed>) = 0 [pid 6297] <... setpgid resumed>) = 0 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] getdents64(3, [pid 5028] unlink("./97/cgroup" [pid 6295] close(25 [pid 5032] unlink("./102/cgroup.net" [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6298] chdir("./102" [pid 6297] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5029] close(3 [pid 5028] <... unlink resumed>) = 0 [pid 6295] close(26 [pid 5032] umount2("./102/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... close resumed>) = 0 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] rmdir("./98" [pid 6295] close(27 [pid 5032] lstat("./102/cgroup.cpu", [pid 5029] <... rmdir resumed>) = 0 [pid 6298] <... chdir resumed>) = 0 [pid 6297] <... symlink resumed>) = 0 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] mkdir("./99", 0777 [pid 5028] getdents64(3, [pid 6298] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6297] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6295] close(28 [pid 5032] unlink("./102/cgroup.cpu" [pid 5029] <... mkdir resumed>) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6298] <... prctl resumed>) = 0 [pid 6297] <... symlink resumed>) = 0 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6299 attached [pid 6298] setpgid(0, 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 6297] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6295] close(29 [pid 5032] umount2("./102/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] close(3 [pid 6298] <... setpgid resumed>) = 0 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] <... symlink resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 200 [pid 6298] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6295] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5032] lstat("./102/cgroup", [pid 5028] <... close resumed>) = 0 [pid 6299] set_robust_list(0x55555580e6e0, 24 [pid 6298] <... symlink resumed>) = 0 [pid 6297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6295] <... write resumed>) = 335 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6299] <... set_robust_list resumed>) = 0 [pid 6295] exit_group(0 [pid 5032] unlink("./102/cgroup" [pid 5028] rmdir("./97" [pid 6296] <... futex resumed>) = ? [pid 6295] <... exit_group resumed>) = ? [pid 5032] <... unlink resumed>) = 0 [pid 6299] chdir("./99" [pid 6298] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6297] <... openat resumed>) = 3 [pid 6296] +++ exited with 0 +++ [pid 5032] getdents64(3, [pid 5028] <... rmdir resumed>) = 0 [pid 6299] <... chdir resumed>) = 0 [pid 6295] +++ exited with 0 +++ [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6298] <... symlink resumed>) = 0 [pid 6299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6298] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6297] write(3, "1000", 4 [pid 5032] close(3 [pid 5028] mkdir("./98", 0777 [pid 6299] <... prctl resumed>) = 0 [pid 6298] <... symlink resumed>) = 0 [pid 6297] <... write resumed>) = 4 [pid 5032] <... close resumed>) = 0 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5028] <... mkdir resumed>) = 0 [pid 6299] setpgid(0, 0 [pid 6298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6297] close(3 [pid 5032] rmdir("./102" [pid 5030] umount2("./98", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6299] <... setpgid resumed>) = 0 [pid 6298] <... openat resumed>) = 3 [pid 6297] <... close resumed>) = 0 [pid 5032] <... rmdir resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6300 attached [pid 6299] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6298] write(3, "1000", 4 [pid 6297] read(200, [pid 5032] mkdir("./103", 0777 [pid 5030] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6300] set_robust_list(0x55555580e6e0, 24 [pid 6299] <... symlink resumed>) = 0 [pid 6298] <... write resumed>) = 4 [pid 6297] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5032] <... mkdir resumed>) = 0 [pid 5030] <... openat resumed>) = 3 [pid 6300] <... set_robust_list resumed>) = 0 [pid 6299] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6298] close(3 [pid 6297] symlink("/dev/binderfs", "./binderfs" [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5030] fstat(3, [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 198 [pid 6300] chdir("./98" [pid 6299] <... symlink resumed>) = 0 [pid 6298] <... close resumed>) = 0 [pid 6297] <... symlink resumed>) = 0 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 ./strace-static-x86_64: Process 6301 attached [pid 6300] <... chdir resumed>) = 0 [pid 6299] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6298] read(200, [pid 6297] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] getdents64(3, [pid 6301] set_robust_list(0x55555580e6e0, 24 [pid 6300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6299] <... symlink resumed>) = 0 [pid 6298] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6297] <... futex resumed>) = 0 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6301] <... set_robust_list resumed>) = 0 [pid 6300] <... prctl resumed>) = 0 [pid 6299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6298] symlink("/dev/binderfs", "./binderfs" [pid 6297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 208 [pid 5030] umount2("./98/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6301] chdir("./103" [pid 6300] setpgid(0, 0 [pid 6299] <... openat resumed>) = 3 [pid 6298] <... symlink resumed>) = 0 [pid 6297] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6301] <... chdir resumed>) = 0 [pid 6300] <... setpgid resumed>) = 0 [pid 6299] write(3, "1000", 4 [pid 6298] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6300] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6299] <... write resumed>) = 4 [pid 6298] <... futex resumed>) = 0 [pid 5030] lstat("./98/binderfs", [pid 6301] <... prctl resumed>) = 0 [pid 6300] <... symlink resumed>) = 0 [pid 6297] <... mprotect resumed>) = 0 [pid 6301] setpgid(0, 0 [pid 6300] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6299] close(3 [pid 6298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6301] <... setpgid resumed>) = 0 [pid 6300] <... symlink resumed>) = 0 [pid 6299] <... close resumed>) = 0 [pid 6298] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6297] 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 6301] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6300] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6298] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5030] unlink("./98/binderfs"./strace-static-x86_64: Process 6302 attached [pid 6301] <... symlink resumed>) = 0 [pid 6300] <... symlink resumed>) = 0 [pid 6299] read(200, [pid 6298] <... mprotect resumed>) = 0 [pid 6302] set_robust_list(0x7f4e92bc39e0, 24 [pid 6301] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6299] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6297] <... clone resumed>, parent_tid=[215], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 215 [pid 6298] 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 resumed>) = 0 [pid 6302] <... set_robust_list resumed>) = 0 [pid 6301] <... symlink resumed>) = 0 [pid 6300] <... openat resumed>) = 3 [pid 6299] symlink("/dev/binderfs", "./binderfs" [pid 6297] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6303 attached [pid 6302] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6301] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6300] write(3, "1000", 4 [pid 6299] <... symlink resumed>) = 0 [pid 6297] <... futex resumed>) = 0 [pid 5030] umount2("./98/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6303] set_robust_list(0x7f4e92bc39e0, 24 [pid 6302] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6301] <... symlink resumed>) = 0 [pid 6300] <... write resumed>) = 4 [pid 6299] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] <... clone resumed>, parent_tid=[207], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 207 [pid 6297] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6303] <... set_robust_list resumed>) = 0 [pid 6302] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6300] close(3 [pid 6299] <... futex resumed>) = 0 [pid 6298] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6303] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6302] <... futex resumed>) = 1 [pid 6301] <... openat resumed>) = 3 [pid 6300] <... close resumed>) = 0 [pid 6299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6298] <... futex resumed>) = 0 [pid 6297] <... futex resumed>) = 0 [pid 5030] lstat("./98/cgroup.net", [pid 6303] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6302] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] write(3, "1000", 4 [pid 6300] read(200, [pid 6299] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6298] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6297] close(3 [pid 6303] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] <... write resumed>) = 4 [pid 6300] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6299] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6303] <... futex resumed>) = 0 [pid 6301] close(3 [pid 6300] symlink("/dev/binderfs", "./binderfs" [pid 6299] <... mprotect resumed>) = 0 [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./98/cgroup.net" [pid 6303] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] <... close resumed>) = 0 [pid 6300] <... symlink resumed>) = 0 [pid 6299] 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 6298] close(3 [pid 6297] close(4 [pid 6301] read(200, [pid 6300] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6304 attached [pid 6301] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6300] <... futex resumed>) = 0 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] set_robust_list(0x7f4e92bc39e0, 24 [pid 6301] symlink("/dev/binderfs", "./binderfs" [pid 6300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6299] <... clone resumed>, parent_tid=[201], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 201 [pid 6298] close(4 [pid 6297] close(5 [pid 5030] umount2("./98/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6304] <... set_robust_list resumed>) = 0 [pid 6301] <... symlink resumed>) = 0 [pid 6300] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6299] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6304] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6301] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6299] <... futex resumed>) = 0 [pid 6298] close(5 [pid 6297] close(6 [pid 5030] lstat("./98/cgroup.cpu", [pid 6304] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6301] <... futex resumed>) = 0 [pid 6300] <... mprotect resumed>) = 0 [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6300] 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 6305 attached [pid 6304] <... futex resumed>) = 0 [pid 6301] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6299] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] close(7 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6305] set_robust_list(0x7f4e92bc39e0, 24 [pid 6304] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6300] <... clone resumed>, parent_tid=[199], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 199 [pid 6299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6305] <... set_robust_list resumed>) = 0 [pid 6301] <... mprotect resumed>) = 0 [pid 6300] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] close(6 [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(3 [pid 5030] unlink("./98/cgroup.cpu" [pid 6305] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6301] 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 6300] <... futex resumed>) = 0 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] close(8./strace-static-x86_64: Process 6306 attached [pid 6305] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6300] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5030] <... unlink resumed>) = 0 [pid 6306] set_robust_list(0x7f4e92bc39e0, 24 [pid 6305] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] <... clone resumed>, parent_tid=[209], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 209 [pid 6300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6299] close(4 [pid 6298] close(7 [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6306] <... set_robust_list resumed>) = 0 [pid 6305] <... futex resumed>) = 0 [pid 6301] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] close(3 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] close(9 [pid 5030] umount2("./98/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6306] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6305] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] <... futex resumed>) = 0 [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(5 [pid 6298] close(8 [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6306] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6301] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6300] close(4 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6306] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(6 [pid 6298] close(9 [pid 6297] close(10 [pid 5030] lstat("./98/cgroup", [pid 6306] <... futex resumed>) = 0 [pid 6301] close(3 [pid 6300] close(5 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6306] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(7 [pid 6298] close(10 [pid 6297] close(11 [pid 6301] close(4 [pid 6300] close(6 [pid 5030] unlink("./98/cgroup" [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] close(5 [pid 6300] close(7 [pid 6299] close(8 [pid 6297] close(12 [pid 6298] close(11 [pid 5030] <... unlink resumed>) = 0 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] getdents64(3, [pid 6301] close(6 [pid 6300] close(8 [pid 6299] close(9 [pid 6298] close(12 [pid 6297] close(13 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] close(7 [pid 6300] close(9 [pid 6299] close(10 [pid 6298] close(13 [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] close(3 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] close(14 [pid 5030] <... close resumed>) = 0 [pid 6301] close(8 [pid 6300] close(10 [pid 6299] close(11 [pid 6298] close(14 [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] close(15 [pid 5030] rmdir("./98" [pid 6301] close(9 [pid 6300] close(11 [pid 6299] close(12 [pid 6298] close(15 [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... rmdir resumed>) = 0 [pid 6301] close(10 [pid 6300] close(12 [pid 6299] close(13 [pid 6298] close(16 [pid 6297] close(16 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] mkdir("./99", 0777 [pid 6301] close(11 [pid 6300] close(13 [pid 6299] close(14 [pid 6298] close(17 [pid 6297] close(17 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... mkdir resumed>) = 0 [pid 6301] close(12 [pid 6300] close(14 [pid 6299] close(15 [pid 6298] close(18 [pid 6297] close(18 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6301] close(13 [pid 6300] close(15 [pid 6299] close(16 [pid 6298] close(19 [pid 6297] close(19 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] close(14 [pid 6300] close(16 [pid 6299] close(17 [pid 6298] close(20 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] close(15 [pid 6300] close(17 [pid 6299] close(18 [pid 6298] close(21 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6307 attached [pid 6301] close(16 [pid 6300] close(18 [pid 6299] close(19 [pid 6298] close(22 [pid 6297] close(20 [pid 6307] set_robust_list(0x55555580e6e0, 24 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 200 [pid 6301] close(17 [pid 6300] close(19 [pid 6299] close(20 [pid 6298] close(23 [pid 6297] close(21 [pid 6307] <... set_robust_list resumed>) = 0 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6307] chdir("./99" [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6307] <... chdir resumed>) = 0 [pid 6301] close(18 [pid 6300] close(20 [pid 6299] close(21 [pid 6298] close(24 [pid 6297] close(22 [pid 6307] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6307] <... prctl resumed>) = 0 [pid 6301] close(19 [pid 6300] close(21 [pid 6299] close(22 [pid 6298] close(25 [pid 6297] close(23 [pid 6307] setpgid(0, 0 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6307] <... setpgid resumed>) = 0 [pid 6301] close(20 [pid 6300] close(22 [pid 6299] close(23 [pid 6298] close(26 [pid 6297] close(24 [pid 6307] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6307] <... symlink resumed>) = 0 [pid 6301] close(21 [pid 6300] close(23 [pid 6299] close(24 [pid 6298] close(27 [pid 6297] close(25 [pid 6307] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] close(22 [pid 6300] close(24 [pid 6299] close(25 [pid 6298] close(28 [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6307] <... symlink resumed>) = 0 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6307] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6301] close(23 [pid 6300] close(25 [pid 6299] close(26 [pid 6298] close(29 [pid 6297] close(26 [pid 6307] <... symlink resumed>) = 0 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6301] close(24 [pid 6300] close(26 [pid 6299] close(27 [pid 6298] 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 6297] close(27 [pid 6307] <... openat resumed>) = 3 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... write resumed>) = 335 [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6307] write(3, "1000", 4 [pid 6301] close(25 [pid 6300] close(27 [pid 6299] close(28 [pid 6298] exit_group(0 [pid 6297] close(28 [pid 6307] <... write resumed>) = 4 [pid 6303] <... futex resumed>) = ? [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... exit_group resumed>) = ? [pid 6297] <... 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 6307] close(3 [pid 6303] +++ exited with 0 +++ [pid 6301] close(26 [pid 6300] close(28 [pid 6299] close(29 [pid 6298] +++ exited with 0 +++ [pid 6307] <... close resumed>) = 0 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] close(29 [pid 6301] close(27 [pid 6300] close(29 [pid 6299] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... write resumed>) = 335 [pid 6307] read(200, 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 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6307] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6301] close(28 [pid 6300] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6299] exit_group(0 [pid 6307] symlink("/dev/binderfs", "./binderfs" [pid 6304] <... futex resumed>) = ? [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... write resumed>) = 335 [pid 6299] <... 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 6297] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6307] <... symlink resumed>) = 0 [pid 6304] +++ exited with 0 +++ [pid 6301] close(29 [pid 6300] exit_group(0 [pid 6297] <... write resumed>) = 335 [pid 6307] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] <... futex resumed>) = ? [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... exit_group resumed>) = ? [pid 6297] exit_group(0 [pid 5031] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6307] <... futex resumed>) = 0 [pid 6305] +++ exited with 0 +++ [pid 6302] <... futex resumed>) = ? [pid 6297] <... exit_group resumed>) = ? [pid 5031] <... 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 6307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6302] +++ exited with 0 +++ [pid 6301] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6300] +++ exited with 0 +++ [pid 6299] +++ exited with 0 +++ [pid 6297] +++ exited with 0 +++ [pid 5031] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6307] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6301] <... write resumed>) = 335 [pid 5031] <... openat resumed>) = 3 [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6307] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6301] exit_group(0 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=200, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6307] <... mprotect resumed>) = 0 [pid 6306] <... futex resumed>) = ? [pid 6301] <... exit_group resumed>) = ? [pid 5033] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] fstat(3, [pid 5029] umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6307] 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 6306] +++ exited with 0 +++ [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] getdents64(3, ./strace-static-x86_64: Process 6308 attached [pid 6307] <... clone resumed>, parent_tid=[201], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 201 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6308] set_robust_list(0x7f4e92bc39e0, 24 [pid 6307] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] +++ exited with 0 +++ [pid 5033] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6308] <... set_robust_list resumed>) = 0 [pid 6307] <... futex resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./98", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6307] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5033] <... openat resumed>) = 3 [pid 6308] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5031] lstat("./102/binderfs", [pid 5029] <... openat resumed>) = 3 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6308] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 5033] fstat(3, [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6308] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=208, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5031] unlink("./102/binderfs" [pid 5029] fstat(3, [pid 5028] <... openat resumed>) = 3 [pid 6308] <... futex resumed>) = 1 [pid 6307] <... futex resumed>) = 0 [pid 5033] getdents64(3, [pid 5032] restart_syscall(<... resuming interrupted clone ...> [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] fstat(3, [pid 6308] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6307] close(3 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] <... restart_syscall resumed>) = 0 [pid 5031] umount2("./102/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] getdents64(3, [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6307] close(4 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] getdents64(3, [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./106/binderfs", [pid 5032] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] lstat("./102/cgroup.net", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6307] close(5 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] lstat("./99/binderfs", [pid 5028] umount2("./98/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./106/binderfs" [pid 5032] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] unlink("./102/cgroup.net" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6307] close(6 [pid 5031] <... unlink resumed>) = 0 [pid 5028] lstat("./98/binderfs", [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... openat resumed>) = 3 [pid 5031] umount2("./102/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./99/binderfs" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6307] close(7 [pid 5033] umount2("./106/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] fstat(3, [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./98/binderfs" [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] lstat("./102/cgroup.cpu", [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6307] close(8 [pid 5033] lstat("./106/cgroup.net", [pid 5032] getdents64(3, [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] umount2("./98/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] unlink("./102/cgroup.cpu" [pid 5029] umount2("./99/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6307] close(9 [pid 5031] <... unlink resumed>) = 0 [pid 5028] lstat("./98/cgroup.net", [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] umount2("./102/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6307] close(10 [pid 5033] unlink("./106/cgroup.net" [pid 5032] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] unlink("./98/cgroup.net" [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] lstat("./102/cgroup", [pid 5028] <... unlink resumed>) = 0 [pid 6307] close(11 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] lstat("./99/cgroup.net", [pid 5028] umount2("./98/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./106/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] lstat("./103/binderfs", [pid 5031] unlink("./102/cgroup" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6307] close(12 [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] lstat("./98/cgroup.cpu", [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] getdents64(3, [pid 5029] unlink("./99/cgroup.net" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6307] close(13 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] unlink("./98/cgroup.cpu" [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./106/cgroup.cpu", [pid 5032] unlink("./103/binderfs" [pid 5031] close(3 [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6307] close(14 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... close resumed>) = 0 [pid 5028] umount2("./98/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./106/cgroup.cpu" [pid 5032] umount2("./103/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] rmdir("./102" [pid 5029] umount2("./99/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6307] close(15 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... rmdir resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./98/cgroup", [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./106/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] lstat("./103/cgroup.net", [pid 5031] mkdir("./103", 0777 [pid 5029] lstat("./99/cgroup.cpu", [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6307] close(16 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... mkdir resumed>) = 0 [pid 5028] unlink("./98/cgroup" [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./106/cgroup", [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5032] unlink("./103/cgroup.net" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6309 attached [pid 6307] close(17 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5029] unlink("./99/cgroup.cpu" [pid 5028] getdents64(3, [pid 6309] set_robust_list(0x55555580e6e0, 24 [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./106/cgroup" [pid 5032] umount2("./103/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 208 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6309] <... set_robust_list resumed>) = 0 [pid 6307] close(18 [pid 5029] <... unlink resumed>) = 0 [pid 5028] close(3 [pid 6309] chdir("./103" [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./99/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6309] <... chdir resumed>) = 0 [pid 6307] close(19 [pid 5033] getdents64(3, [pid 5032] lstat("./103/cgroup.cpu", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... close resumed>) = 0 [pid 6309] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] lstat("./99/cgroup", [pid 5028] rmdir("./98" [pid 6309] <... prctl resumed>) = 0 [pid 6307] close(20 [pid 5033] close(3 [pid 5032] unlink("./103/cgroup.cpu" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6309] setpgid(0, 0 [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5029] unlink("./99/cgroup" [pid 5028] <... rmdir resumed>) = 0 [pid 6309] <... setpgid resumed>) = 0 [pid 6307] close(21 [pid 5033] rmdir("./106" [pid 5032] umount2("./103/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... unlink resumed>) = 0 [pid 6309] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5033] <... rmdir resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] getdents64(3, [pid 5028] mkdir("./99", 0777 [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] <... symlink resumed>) = 0 [pid 5033] mkdir("./107", 0777 [pid 5032] lstat("./103/cgroup", [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6309] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6307] close(22 [pid 5033] <... mkdir resumed>) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] close(3 [pid 5028] <... mkdir resumed>) = 0 [pid 6309] <... symlink resumed>) = 0 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5032] unlink("./103/cgroup" [pid 5029] <... close resumed>) = 0 ./strace-static-x86_64: Process 6310 attached [pid 6309] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... unlink resumed>) = 0 [pid 5029] rmdir("./99" [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6310] set_robust_list(0x55555580e6e0, 24 [pid 6309] <... symlink resumed>) = 0 [pid 6307] close(23 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 216 [pid 5032] getdents64(3, [pid 5029] <... rmdir resumed>) = 0 [pid 6310] <... set_robust_list resumed>) = 0 [pid 6309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] mkdir("./100", 0777 [pid 6310] chdir("./107" [pid 6307] close(24 [pid 5032] close(3 [pid 6309] <... openat resumed>) = 3 [pid 5029] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6311 attached [pid 6310] <... chdir resumed>) = 0 [pid 6309] write(3, "1000", 4 [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... close resumed>) = 0 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6311] set_robust_list(0x55555580e6e0, 24 [pid 6310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6309] <... write resumed>) = 4 [pid 6307] close(25 [pid 5032] rmdir("./103"./strace-static-x86_64: Process 6312 attached [pid 6311] <... set_robust_list resumed>) = 0 [pid 6310] <... prctl resumed>) = 0 [pid 6309] close(3 [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... rmdir resumed>) = 0 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 200 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 202 [pid 6312] set_robust_list(0x55555580e6e0, 24 [pid 6311] chdir("./99" [pid 6310] setpgid(0, 0 [pid 6309] <... close resumed>) = 0 [pid 6307] close(26 [pid 5032] mkdir("./104", 0777 [pid 6312] <... set_robust_list resumed>) = 0 [pid 6311] <... chdir resumed>) = 0 [pid 6310] <... setpgid resumed>) = 0 [pid 6309] read(200, [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... mkdir resumed>) = 0 [pid 6312] chdir("./100" [pid 6311] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6310] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6309] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6307] close(27 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6313 attached [pid 6312] <... chdir resumed>) = 0 [pid 6311] <... prctl resumed>) = 0 [pid 6310] <... symlink resumed>) = 0 [pid 6309] symlink("/dev/binderfs", "./binderfs" [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] set_robust_list(0x55555580e6e0, 24 [pid 6312] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6311] setpgid(0, 0 [pid 6310] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6309] <... symlink resumed>) = 0 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 210 [pid 6307] close(28 [pid 6313] <... set_robust_list resumed>) = 0 [pid 6312] <... prctl resumed>) = 0 [pid 6311] <... setpgid resumed>) = 0 [pid 6310] <... symlink resumed>) = 0 [pid 6309] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] chdir("./104" [pid 6312] setpgid(0, 0 [pid 6311] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6310] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6309] <... futex resumed>) = 0 [pid 6307] close(29 [pid 6313] <... chdir resumed>) = 0 [pid 6311] <... symlink resumed>) = 0 [pid 6310] <... symlink resumed>) = 0 [pid 6313] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6312] <... setpgid resumed>) = 0 [pid 6311] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC 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 6309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] <... prctl resumed>) = 0 [pid 6312] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6311] <... symlink resumed>) = 0 [pid 6310] <... openat resumed>) = 3 [pid 6313] setpgid(0, 0 [pid 6312] <... symlink resumed>) = 0 [pid 6311] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6310] write(3, "1000", 4 [pid 6309] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6307] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6313] <... setpgid resumed>) = 0 [pid 6312] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6311] <... symlink resumed>) = 0 [pid 6310] <... write resumed>) = 4 [pid 6309] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6307] <... write resumed>) = 335 [pid 6313] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6312] <... symlink resumed>) = 0 [pid 6311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6310] close(3 [pid 6309] <... mprotect resumed>) = 0 [pid 6307] exit_group(0 [pid 6313] <... symlink resumed>) = 0 [pid 6312] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6311] <... openat resumed>) = 3 [pid 6310] <... close resumed>) = 0 [pid 6313] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6311] write(3, "1000", 4 [pid 6310] read(200, [pid 6309] 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 6308] <... futex resumed>) = ? [pid 6307] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6314 attached [pid 6313] <... symlink resumed>) = 0 [pid 6311] <... write resumed>) = 4 [pid 6310] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6312] <... symlink resumed>) = 0 [pid 6308] +++ exited with 0 +++ [pid 6314] set_robust_list(0x7f4e92bc39e0, 24 [pid 6313] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6311] close(3 [pid 6310] symlink("/dev/binderfs", "./binderfs" [pid 6314] <... set_robust_list resumed>) = 0 [pid 6313] <... symlink resumed>) = 0 [pid 6312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6311] <... close resumed>) = 0 [pid 6310] <... symlink resumed>) = 0 [pid 6309] <... clone resumed>, parent_tid=[209], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 209 [pid 6314] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6312] <... openat resumed>) = 3 [pid 6311] read(200, [pid 6310] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6309] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] +++ exited with 0 +++ [pid 6314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6313] <... openat resumed>) = 3 [pid 6312] write(3, "1000", 4 [pid 6311] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6310] <... futex resumed>) = 0 [pid 6314] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6313] write(3, "1000", 4 [pid 6312] <... write resumed>) = 4 [pid 6311] symlink("/dev/binderfs", "./binderfs" [pid 6310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6309] <... futex resumed>) = 0 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=200, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6314] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6313] <... write resumed>) = 4 [pid 6312] close(3 [pid 6311] <... symlink resumed>) = 0 [pid 6310] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6309] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6314] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] close(3 [pid 6312] <... close resumed>) = 0 [pid 6311] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6314] <... futex resumed>) = 0 [pid 6313] <... close resumed>) = 0 [pid 6312] read(200, [pid 6311] <... futex resumed>) = 0 [pid 6310] <... mprotect resumed>) = 0 [pid 6309] close(3 [pid 6314] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6313] read(200, [pid 6312] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6310] 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 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6315 attached [pid 6313] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6312] symlink("/dev/binderfs", "./binderfs" [pid 6311] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6309] close(4 [pid 6315] set_robust_list(0x7f4e92bc39e0, 24 [pid 6313] symlink("/dev/binderfs", "./binderfs" [pid 6312] <... symlink resumed>) = 0 [pid 6311] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6310] <... clone resumed>, parent_tid=[217], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 217 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6315] <... set_robust_list resumed>) = 0 [pid 6313] <... symlink resumed>) = 0 [pid 6312] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... mprotect resumed>) = 0 [pid 6310] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6309] close(5 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6315] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6313] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] <... futex resumed>) = 0 [pid 6311] 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 6310] <... futex resumed>) = 0 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6316 attached [pid 6315] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6313] <... futex resumed>) = 0 [pid 6312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6310] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6309] close(6 [pid 5030] <... openat resumed>) = 3 [pid 6316] set_robust_list(0x7f4e92bc39e0, 24 [pid 6315] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6312] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6311] <... clone resumed>, parent_tid=[201], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 201 [pid 6310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5030] fstat(3, [pid 6316] <... set_robust_list resumed>) = 0 [pid 6315] <... futex resumed>) = 0 [pid 6313] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6311] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] close(3 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6312] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6316] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6315] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6313] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6311] <... futex resumed>) = 0 [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] close(7 [pid 5030] getdents64(3, [pid 6316] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6313] <... mprotect resumed>) = 0 [pid 6311] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6310] close(4 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6316] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] 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 6312] <... mprotect resumed>) = 0 [pid 6311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] close(8 [pid 5030] umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6317 attached [pid 6316] <... futex resumed>) = 0 [pid 6312] 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 6311] close(3 [pid 6310] close(5 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6318 attached [pid 6317] set_robust_list(0x7f4e92bc39e0, 24 [pid 6316] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6313] <... clone resumed>, parent_tid=[211], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 211 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] close(9 [pid 5030] lstat("./99/binderfs", [pid 6317] <... set_robust_list resumed>) = 0 [pid 6313] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] close(4 [pid 6310] close(6 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6317] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6313] <... futex resumed>) = 0 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./99/binderfs" [pid 6318] set_robust_list(0x7f4e92bc39e0, 24 [pid 6317] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6313] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6312] <... clone resumed>, parent_tid=[203], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 203 [pid 6311] close(5 [pid 6310] close(7 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6318] <... set_robust_list resumed>) = 0 [pid 6317] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6312] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] close(10 [pid 5030] umount2("./99/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6318] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6317] <... futex resumed>) = 0 [pid 6313] close(3 [pid 6312] <... futex resumed>) = 0 [pid 6311] close(6 [pid 6310] close(8 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6318] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6317] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] close(11 [pid 5030] lstat("./99/cgroup.net", [pid 6318] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] close(4 [pid 6311] close(7 [pid 6310] close(9 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6318] <... futex resumed>) = 1 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] <... futex resumed>) = 0 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] close(12 [pid 5030] unlink("./99/cgroup.net" [pid 6318] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6313] close(5 [pid 6311] close(8 [pid 6310] close(10 [pid 5030] <... unlink resumed>) = 0 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] close(3 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./99/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6313] close(6 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(9 [pid 6310] close(11 [pid 6309] close(13 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] close(4 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./99/cgroup.cpu", [pid 6313] close(7 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(10 [pid 6310] close(12 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] close(5 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] close(14 [pid 5030] unlink("./99/cgroup.cpu" [pid 6313] close(8 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(11 [pid 6310] close(13 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] close(6 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] close(15 [pid 5030] umount2("./99/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6313] close(9 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(12 [pid 6310] close(14 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] close(7 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] close(16 [pid 5030] lstat("./99/cgroup", [pid 6313] close(10 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(13 [pid 6310] close(15 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] close(8 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] close(17 [pid 5030] unlink("./99/cgroup" [pid 6313] close(11 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(14 [pid 6310] close(16 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] close(9 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] close(18 [pid 5030] getdents64(3, [pid 6313] close(12 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(15 [pid 6310] close(17 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] close(10 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] close(19 [pid 5030] close(3 [pid 6313] close(13 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(16 [pid 6310] close(18 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = 0 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] close(20 [pid 5030] rmdir("./99" [pid 6313] close(14 [pid 6311] close(17 [pid 6310] close(19 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... rmdir resumed>) = 0 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] close(21 [pid 5030] mkdir("./100", 0777 [pid 6313] close(15 [pid 6312] close(11 [pid 6311] close(18 [pid 6310] close(20 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... mkdir resumed>) = 0 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] close(22 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6319 attached [pid 6313] close(16 [pid 6312] close(12 [pid 6311] close(19 [pid 6310] close(21 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] set_robust_list(0x55555580e6e0, 24 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] close(23 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 202 [pid 6319] <... set_robust_list resumed>) = 0 [pid 6313] close(17 [pid 6312] close(13 [pid 6311] close(20 [pid 6310] close(22 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] chdir("./100" [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] close(24 [pid 6312] close(14 [pid 6313] close(18 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(21 [pid 6310] close(23 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] <... chdir resumed>) = 0 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] close(15 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] close(25 [pid 6319] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6313] close(19 [pid 6312] close(16 [pid 6311] close(22 [pid 6310] close(24 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] <... prctl resumed>) = 0 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] setpgid(0, 0 [pid 6313] close(20 [pid 6312] close(17 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] close(26 [pid 6319] <... setpgid resumed>) = 0 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(23 [pid 6310] close(25 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] close(18) = -1 EBADF (Bad file descriptor) [pid 6319] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6312] close(19 [pid 6313] close(21 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] close(27 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] close(20 [pid 6319] <... symlink resumed>) = 0 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(24 [pid 6310] close(26 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] close(22 [pid 6319] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] close(21 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] close(28 [pid 6319] <... symlink resumed>) = 0 [pid 6311] close(25 [pid 6310] close(27 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6313] close(23 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] close(29 [pid 6319] <... symlink resumed>) = 0 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] close(22 [pid 6311] close(26 [pid 6310] close(28 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6313] close(24 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6319] <... openat resumed>) = 3 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] close(23write 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 6310] close(29 [pid 6311] close(27 [pid 6319] write(3, "1000", 4 [pid 6313] close(25 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] <... write resumed>) = 335 [pid 6319] <... write resumed>) = 4 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] close(24 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] exit_group(0 [pid 6319] close(3 [pid 6314] <... futex resumed>) = ? [pid 6313] close(26 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(28 [pid 6310] 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 6309] <... exit_group resumed>) = ? [pid 6319] <... close resumed>) = 0 [pid 6314] +++ exited with 0 +++ [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] close(25 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... write resumed>) = 335 [pid 6309] +++ exited with 0 +++ [pid 6319] read(200, [pid 6313] close(27 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(29 [pid 6310] exit_group(0 [pid 6319] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] close(26 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... 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 6319] symlink("/dev/binderfs", "./binderfs" [pid 6315] <... futex resumed>) = ? [pid 6313] close(28 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] 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=208, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] close(27 [pid 6313] close(29 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] <... symlink resumed>) = 0 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] close(28 [pid 6319] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] <... write resumed>) = 335 [pid 6313] <... write resumed>) = 335 [pid 6312] close(29 [pid 6319] <... futex resumed>) = 0 [pid 6315] +++ exited with 0 +++ [pid 6313] exit_group(0 [pid 6311] exit_group(0 [pid 6310] +++ exited with 0 +++ [pid 5031] 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 6319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6317] <... futex resumed>) = ? [pid 6316] <... futex resumed>) = ? [pid 6313] <... exit_group resumed>) = ? [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] <... exit_group resumed>) = ? [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5031] <... restart_syscall resumed>) = 0 [pid 6319] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6316] +++ exited with 0 +++ [pid 6312] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335) = 335 [pid 6311] +++ exited with 0 +++ [pid 6319] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6312] exit_group(0 [pid 5031] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6319] 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 6318] <... futex resumed>) = ? [pid 6312] <... exit_group resumed>) = ? [pid 6317] +++ exited with 0 +++ [pid 6313] +++ exited with 0 +++ [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6320 attached [pid 6318] +++ exited with 0 +++ [pid 5033] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5031] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6320] set_robust_list(0x7f4e92bc39e0, 24 [pid 6319] <... clone resumed>, parent_tid=[203], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 203 [pid 6312] +++ exited with 0 +++ [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=200, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6320] <... set_robust_list resumed>) = 0 [pid 6319] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] <... openat resumed>) = 3 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5028] restart_syscall(<... resuming interrupted clone ...> [pid 6320] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6319] <... futex resumed>) = 0 [pid 5033] <... openat resumed>) = 3 [pid 5031] fstat(3, [pid 6320] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6319] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5033] fstat(3, [pid 5028] <... restart_syscall resumed>) = 0 [pid 6320] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5032] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6320] <... futex resumed>) = 0 [pid 6319] close(3 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6320] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5032] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] getdents64(3, [pid 6319] close(4 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] <... openat resumed>) = 3 [pid 5029] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] fstat(3, [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6319] close(5 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5028] umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./107/binderfs", [pid 5032] getdents64(3, [pid 5031] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... openat resumed>) = 3 [pid 6319] close(6 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] fstat(3, [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./107/binderfs" [pid 5032] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] lstat("./103/binderfs", [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6319] close(7 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] getdents64(3, [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./107/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] lstat("./104/binderfs", [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] <... openat resumed>) = 3 [pid 6319] close(8 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./107/cgroup.net", [pid 5032] unlink("./104/binderfs" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6319] close(9 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5031] unlink("./103/binderfs" [pid 5029] lstat("./100/binderfs", [pid 5028] fstat(3, [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./107/cgroup.net" [pid 5032] umount2("./104/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6319] close(10 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./103/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] unlink("./100/binderfs" [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./107/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] lstat("./104/cgroup.net", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... unlink resumed>) = 0 [pid 6319] close(11 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] umount2("./100/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] getdents64(3, [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./107/cgroup.cpu", [pid 5032] unlink("./104/cgroup.net" [pid 5031] lstat("./103/cgroup.net", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6319] close(12 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5029] lstat("./100/cgroup.net", [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./107/cgroup.cpu" [pid 5032] umount2("./104/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6319] close(13 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] unlink("./103/cgroup.net" [pid 5029] unlink("./100/cgroup.net" [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./107/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] lstat("./104/cgroup.cpu", [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6319] close(14 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] umount2("./100/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./107/cgroup", [pid 5032] unlink("./104/cgroup.cpu" [pid 5031] umount2("./103/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./99/binderfs", [pid 6319] close(15 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./100/cgroup.cpu", [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./107/cgroup" [pid 5032] umount2("./104/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] lstat("./103/cgroup.cpu", [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6319] close(16 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] unlink("./100/cgroup.cpu" [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5032] lstat("./104/cgroup", [pid 5031] unlink("./103/cgroup.cpu" [pid 5029] <... unlink resumed>) = 0 [pid 5028] unlink("./99/binderfs" [pid 6319] close(17 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] umount2("./100/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5032] unlink("./104/cgroup" [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 6319] close(18 [pid 5033] <... close resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5031] umount2("./103/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] lstat("./100/cgroup", [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] rmdir("./107" [pid 5032] getdents64(3, [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] umount2("./99/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6319] close(19 [pid 5033] <... rmdir resumed>) = 0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] lstat("./103/cgroup", [pid 5029] unlink("./100/cgroup" [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./108", 0777 [pid 5032] close(3 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6319] close(20 [pid 5033] <... mkdir resumed>) = 0 [pid 5032] <... close resumed>) = 0 [pid 5031] unlink("./103/cgroup" [pid 5029] getdents64(3, [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5032] rmdir("./104" [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6319] close(21 [pid 5028] lstat("./99/cgroup.net", [pid 5032] <... rmdir resumed>) = 0 [pid 5031] getdents64(3, [pid 5029] close(3 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] unlink("./99/cgroup.net") = 0 [pid 5028] umount2("./99/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6321 attached [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 218 [pid 5032] mkdir("./105", 0777 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] <... close resumed>) = 0 [pid 5028] lstat("./99/cgroup.cpu", [pid 6319] close(22 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... mkdir resumed>) = 0 [pid 5028] unlink("./99/cgroup.cpu" [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] close(3 [pid 5029] rmdir("./100" [pid 5028] <... unlink resumed>) = 0 [pid 6319] close(23 [pid 5028] umount2("./99/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./99/cgroup", ./strace-static-x86_64: Process 6322 attached [pid 6321] set_robust_list(0x55555580e6e0, 24 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... close resumed>) = 0 [pid 5029] <... rmdir resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6321] <... set_robust_list resumed>) = 0 [pid 5028] unlink("./99/cgroup" [pid 6322] set_robust_list(0x55555580e6e0, 24 [pid 6321] chdir("./108" [pid 6319] close(24 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 212 [pid 5031] rmdir("./103" [pid 5029] mkdir("./101", 0777 [pid 5028] <... unlink resumed>) = 0 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... rmdir resumed>) = 0 [pid 5029] <... mkdir resumed>) = 0 [pid 5028] getdents64(3, [pid 6321] <... chdir resumed>) = 0 [pid 6322] <... set_robust_list resumed>) = 0 [pid 6319] close(25 [pid 5031] mkdir("./104", 0777 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6321] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... mkdir resumed>) = 0 [pid 5028] close(3 [pid 6321] <... prctl resumed>) = 0 [pid 5028] <... close resumed>) = 0 [pid 5028] rmdir("./99") = 0 [pid 5028] mkdir("./100", 0777 [pid 6319] close(26 [pid 5028] <... mkdir resumed>) = 0 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6323 attached [pid 6322] chdir("./105" [pid 6321] setpgid(0, 0 [pid 6319] <... 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 6324 attached [pid 6323] set_robust_list(0x55555580e6e0, 24 [pid 6322] <... chdir resumed>) = 0 [pid 6321] <... setpgid resumed>) = 0 [pid 6319] close(27 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 204 ./strace-static-x86_64: Process 6325 attached [pid 6324] set_robust_list(0x55555580e6e0, 24 [pid 6323] <... set_robust_list resumed>) = 0 [pid 6322] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6325] set_robust_list(0x55555580e6e0, 24 [pid 6324] <... set_robust_list resumed>) = 0 [pid 6323] chdir("./101" [pid 6321] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 210 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 202 [pid 6325] <... set_robust_list resumed>) = 0 [pid 6324] chdir("./104" [pid 6323] <... chdir resumed>) = 0 [pid 6322] <... prctl resumed>) = 0 [pid 6321] <... symlink resumed>) = 0 [pid 6319] close(28 [pid 6325] chdir("./100" [pid 6324] <... chdir resumed>) = 0 [pid 6323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6322] setpgid(0, 0 [pid 6321] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] <... chdir resumed>) = 0 [pid 6324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6323] <... prctl resumed>) = 0 [pid 6322] <... setpgid resumed>) = 0 [pid 6325] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6324] <... prctl resumed>) = 0 [pid 6323] setpgid(0, 0 [pid 6322] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6321] <... symlink resumed>) = 0 [pid 6319] close(29 [pid 6325] <... prctl resumed>) = 0 [pid 6324] setpgid(0, 0 [pid 6323] <... setpgid 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 6322] <... symlink resumed>) = 0 [pid 6321] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] setpgid(0, 0 [pid 6324] <... setpgid resumed>) = 0 [pid 6323] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6322] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6325] <... setpgid resumed>) = 0 [pid 6324] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6323] <... symlink resumed>) = 0 [pid 6322] <... symlink resumed>) = 0 [pid 6321] <... symlink resumed>) = 0 [pid 6319] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6324] <... symlink resumed>) = 0 [pid 6323] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6322] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6319] <... write resumed>) = 335 [pid 6325] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6324] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6323] <... symlink resumed>) = 0 [pid 6322] <... symlink resumed>) = 0 [pid 6324] <... symlink resumed>) = 0 [pid 6323] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6321] <... openat resumed>) = 3 [pid 6319] exit_group(0 [pid 6325] <... symlink resumed>) = 0 [pid 6324] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6323] <... symlink resumed>) = 0 [pid 6322] <... openat resumed>) = 3 [pid 6321] write(3, "1000", 4 [pid 6320] <... futex resumed>) = ? [pid 6319] <... exit_group resumed>) = ? [pid 6325] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6324] <... symlink resumed>) = 0 [pid 6323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6322] write(3, "1000", 4 [pid 6320] +++ exited with 0 +++ [pid 6325] <... symlink resumed>) = 0 [pid 6324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6323] <... openat resumed>) = 3 [pid 6322] <... write resumed>) = 4 [pid 6321] <... write resumed>) = 4 [pid 6325] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6324] <... openat resumed>) = 3 [pid 6323] write(3, "1000", 4 [pid 6322] close(3 [pid 6321] close(3 [pid 6319] +++ exited with 0 +++ [pid 6325] <... symlink resumed>) = 0 [pid 6324] write(3, "1000", 4 [pid 6323] <... write resumed>) = 4 [pid 6322] <... close resumed>) = 0 [pid 6321] <... close resumed>) = 0 [pid 6325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6324] <... write resumed>) = 4 [pid 6323] close(3 [pid 6322] read(200, [pid 6321] read(200, [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6325] <... openat resumed>) = 3 [pid 6324] close(3 [pid 6323] <... close resumed>) = 0 [pid 6322] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6321] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6325] write(3, "1000", 4 [pid 6324] <... close resumed>) = 0 [pid 6323] read(200, [pid 6322] symlink("/dev/binderfs", "./binderfs" [pid 6321] symlink("/dev/binderfs", "./binderfs" [pid 6325] <... write resumed>) = 4 [pid 6324] read(200, [pid 6323] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6322] <... symlink resumed>) = 0 [pid 6321] <... symlink resumed>) = 0 [pid 6325] close(3 [pid 6324] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6323] symlink("/dev/binderfs", "./binderfs" [pid 6322] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] symlink("/dev/binderfs", "./binderfs" [pid 6323] <... symlink resumed>) = 0 [pid 6322] <... futex resumed>) = 0 [pid 6321] <... futex resumed>) = 0 [pid 6325] <... close resumed>) = 0 [pid 6324] <... symlink resumed>) = 0 [pid 6323] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6325] read(200, [pid 6324] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] <... futex resumed>) = 0 [pid 6322] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6321] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6325] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6324] <... futex resumed>) = 0 [pid 6323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6322] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6321] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6325] symlink("/dev/binderfs", "./binderfs" [pid 6324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6323] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6322] <... mprotect resumed>) = 0 [pid 6321] <... mprotect resumed>) = 0 [pid 5030] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6324] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6323] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6322] 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 6321] 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 6327 attached ./strace-static-x86_64: Process 6326 attached [pid 6325] <... symlink resumed>) = 0 [pid 6324] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6323] <... mprotect resumed>) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6327] set_robust_list(0x7f4e92bc39e0, 24 [pid 6326] set_robust_list(0x7f4e92bc39e0, 24 [pid 6325] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] <... mprotect resumed>) = 0 [pid 6323] 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 6322] <... clone resumed>, parent_tid=[213], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 213 [pid 6321] <... clone resumed>, parent_tid=[219], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 219 ./strace-static-x86_64: Process 6328 attached [pid 6327] <... set_robust_list resumed>) = 0 [pid 6326] <... set_robust_list resumed>) = 0 [pid 6325] <... futex resumed>) = 0 [pid 6324] 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 6322] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6321] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6329 attached [pid 6328] set_robust_list(0x7f4e92bc39e0, 24 [pid 6327] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6326] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6323] <... clone resumed>, parent_tid=[205], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 205 [pid 6322] <... futex resumed>) = 0 [pid 6321] <... futex resumed>) = 0 [pid 6329] set_robust_list(0x7f4e92bc39e0, 24 [pid 6328] <... set_robust_list resumed>) = 0 [pid 6327] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6326] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6325] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6324] <... clone resumed>, parent_tid=[211], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 211 [pid 6323] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6321] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5030] <... openat resumed>) = 3 [pid 6329] <... set_robust_list resumed>) = 0 [pid 6328] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6327] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6324] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] <... futex resumed>) = 0 [pid 6322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5030] fstat(3, [pid 6329] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6328] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6327] <... futex resumed>) = 0 [pid 6326] <... futex resumed>) = 0 [pid 6325] <... mprotect resumed>) = 0 [pid 6324] <... futex resumed>) = 0 [pid 6323] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6322] close(3 [pid 6321] close(3 [pid 6329] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6328] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6326] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6324] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6329] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] <... futex resumed>) = 0 [pid 6325] 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 6324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6323] close(3 [pid 6322] close(4 [pid 6321] close(4./strace-static-x86_64: Process 6330 attached [pid 6329] <... futex resumed>) = 0 [pid 6328] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6324] close(3 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] getdents64(3, [pid 6330] set_robust_list(0x7f4e92bc39e0, 24 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(4 [pid 6322] close(5 [pid 6321] close(5 [pid 6330] <... set_robust_list resumed>) = 0 [pid 6329] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] <... clone resumed>, parent_tid=[203], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 203 [pid 6324] close(4 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6330] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(5 [pid 6322] close(6 [pid 6321] close(6 [pid 5030] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6325] <... futex resumed>) = 0 [pid 6324] close(5 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6325] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(6 [pid 6322] close(7 [pid 6321] close(7 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6330] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6324] close(6 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(7 [pid 6322] close(8 [pid 6321] close(8 [pid 5030] lstat("./100/binderfs", [pid 6330] <... futex resumed>) = 1 [pid 6325] <... futex resumed>) = 0 [pid 6324] close(7 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] close(3 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(8 [pid 6322] close(9 [pid 6321] close(9 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] close(8 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] close(4 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(9 [pid 6322] close(10 [pid 6321] close(10 [pid 5030] unlink("./100/binderfs" [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] close(9 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] close(5 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(10 [pid 6322] close(11 [pid 6321] close(11 [pid 5030] <... unlink resumed>) = 0 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] close(10 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] close(6 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(11 [pid 6322] close(12 [pid 6321] close(12 [pid 5030] umount2("./100/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] close(11 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] close(7 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(12 [pid 6322] close(13 [pid 6321] close(13 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] close(12 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] close(8 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(13 [pid 6322] close(14 [pid 6321] close(14 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] close(13 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6325] close(9 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(14 [pid 6322] close(15 [pid 6321] close(15 [pid 5030] lstat("./100/cgroup.net", [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] close(14 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] close(10 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(15 [pid 6322] close(16 [pid 6321] close(16 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] close(15 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./100/cgroup.net" [pid 6325] close(11 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(16 [pid 6322] close(17 [pid 6321] close(17 [pid 5030] <... unlink resumed>) = 0 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] close(16 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./100/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6325] close(12 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(17 [pid 6322] close(18 [pid 6321] close(18 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] close(17 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] close(13 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(18 [pid 6322] close(19 [pid 6321] close(19 [pid 5030] lstat("./100/cgroup.cpu", [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] close(18 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] close(14 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(19 [pid 6322] close(20 [pid 6321] close(20 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] close(19 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] close(15 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(20 [pid 6322] close(21 [pid 6321] close(21 [pid 5030] unlink("./100/cgroup.cpu" [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] close(20 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] close(16 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(21 [pid 6322] close(22 [pid 6321] close(22 [pid 5030] <... unlink resumed>) = 0 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] close(21 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./100/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6325] close(17 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(22 [pid 6322] close(23 [pid 6321] close(23 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] close(22 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6325] close(18 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(23 [pid 6322] close(24 [pid 6321] close(24 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] close(23 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./100/cgroup", [pid 6325] close(19 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(24 [pid 6322] close(25 [pid 6321] close(25 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] close(24 [pid 5030] unlink("./100/cgroup" [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] close(20 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] close(25 [pid 6323] close(25 [pid 6322] close(26 [pid 6321] close(26 [pid 6325] close(21 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] getdents64(3, [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] close(26 [pid 6323] close(26 [pid 6322] close(27 [pid 6321] close(27 [pid 6325] close(22 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] close(27 [pid 6323] close(27 [pid 6322] close(28 [pid 6321] close(28 [pid 6325] close(23 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] close(3 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] close(28 [pid 6323] close(28 [pid 6322] close(29 [pid 6321] close(29 [pid 5030] <... close resumed>) = 0 [pid 6325] close(24 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... 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 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] close(29 [pid 6323] close(29 [pid 6322] 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 6321] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5030] rmdir("./100" [pid 6325] close(25 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... write resumed>) = 335 [pid 6321] <... write resumed>) = 335 [pid 6325] <... 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 6324] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6323] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6322] exit_group(0 [pid 6321] exit_group(0 [pid 5030] <... rmdir resumed>) = 0 [pid 6327] <... futex resumed>) = ? [pid 6326] <... futex resumed>) = ? [pid 6325] close(26 [pid 6324] <... write resumed>) = 335 [pid 6323] <... write resumed>) = 335 [pid 6322] <... exit_group resumed>) = ? [pid 6321] <... exit_group resumed>) = ? [pid 6327] +++ exited with 0 +++ [pid 6326] +++ exited with 0 +++ [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] exit_group(0 [pid 6323] exit_group(0 [pid 6322] +++ exited with 0 +++ [pid 5030] mkdir("./101", 0777 [pid 6329] <... futex resumed>) = ? [pid 6328] <... futex resumed>) = ? [pid 6325] close(27 [pid 6324] <... exit_group resumed>) = ? [pid 6323] <... exit_group resumed>) = ? [pid 6321] +++ exited with 0 +++ [pid 5030] <... mkdir resumed>) = 0 [pid 6329] +++ exited with 0 +++ [pid 6328] +++ exited with 0 +++ [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=212, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6331 attached [pid 6325] close(28 [pid 6324] +++ exited with 0 +++ [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6325] close(29 [pid 5033] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] +++ exited with 0 +++ [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 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6325] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6331] set_robust_list(0x55555580e6e0, 24 [pid 6325] <... write resumed>) = 335 [pid 5033] <... openat resumed>) = 3 [pid 5032] <... openat resumed>) = 3 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 204 [pid 6325] exit_group(0 [pid 5033] fstat(3, [pid 5032] fstat(3, [pid 6331] <... set_robust_list resumed>) = 0 [pid 6330] <... futex resumed>) = ? [pid 6325] <... exit_group resumed>) = ? [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6331] chdir("./101" [pid 6330] +++ exited with 0 +++ [pid 6325] +++ exited with 0 +++ [pid 5033] getdents64(3, [pid 5032] getdents64(3, [pid 5031] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6331] <... chdir resumed>) = 0 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5033] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6331] <... prctl resumed>) = 0 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... openat resumed>) = 3 [pid 5029] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6331] setpgid(0, 0 [pid 5033] lstat("./108/binderfs", [pid 5032] lstat("./105/binderfs", [pid 5031] fstat(3, [pid 5029] <... openat resumed>) = 3 [pid 6331] <... setpgid resumed>) = 0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] fstat(3, [pid 6331] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5033] unlink("./108/binderfs" [pid 5032] unlink("./105/binderfs" [pid 5031] getdents64(3, [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6331] <... symlink resumed>) = 0 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5029] getdents64(3, [pid 5028] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6331] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6331] <... symlink resumed>) = 0 [pid 5033] umount2("./108/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] umount2("./105/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6331] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5031] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6331] <... symlink resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./101/binderfs", [pid 5028] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5033] lstat("./108/cgroup.net", [pid 5032] lstat("./105/cgroup.net", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6331] <... openat resumed>) = 3 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] unlink("./101/binderfs" [pid 5028] <... openat resumed>) = 3 [pid 6331] write(3, "1000", 4 [pid 5033] unlink("./108/cgroup.net" [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] lstat("./104/binderfs", [pid 5029] <... unlink resumed>) = 0 [pid 6331] <... write resumed>) = 4 [pid 5029] umount2("./101/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] fstat(3, [pid 6331] close(3 [pid 5033] <... unlink resumed>) = 0 [pid 5032] unlink("./105/cgroup.net" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6331] <... close resumed>) = 0 [pid 5029] lstat("./101/cgroup.net", [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6331] read(200, [pid 5033] umount2("./108/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... unlink resumed>) = 0 [pid 5031] unlink("./104/binderfs" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6331] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] umount2("./105/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... unlink resumed>) = 0 [pid 5029] unlink("./101/cgroup.net" [pid 5028] getdents64(3, [pid 6331] symlink("/dev/binderfs", "./binderfs" [pid 5033] lstat("./108/cgroup.cpu", [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./104/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... unlink resumed>) = 0 [pid 6331] <... symlink resumed>) = 0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] lstat("./105/cgroup.cpu", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./101/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6331] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] unlink("./108/cgroup.cpu" [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6331] <... futex resumed>) = 0 [pid 5031] lstat("./104/cgroup.net", [pid 5029] lstat("./101/cgroup.cpu", [pid 6331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6331] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5029] unlink("./101/cgroup.cpu" [pid 6331] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5033] <... unlink resumed>) = 0 [pid 5032] unlink("./105/cgroup.cpu" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5028] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6331] <... mprotect resumed>) = 0 [pid 5033] umount2("./108/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... unlink resumed>) = 0 [pid 5031] unlink("./104/cgroup.net" [pid 5029] umount2("./101/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6331] 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] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] umount2("./105/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./100/binderfs", ./strace-static-x86_64: Process 6332 attached [pid 5033] lstat("./108/cgroup", [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./104/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] lstat("./101/cgroup", [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6332] set_robust_list(0x7f4e92bc39e0, 24 [pid 6331] <... clone resumed>, parent_tid=[205], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 205 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] lstat("./105/cgroup", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] unlink("./100/binderfs" [pid 6332] <... set_robust_list resumed>) = 0 [pid 6331] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] unlink("./108/cgroup" [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] lstat("./104/cgroup.cpu", [pid 5029] unlink("./101/cgroup" [pid 5028] <... unlink resumed>) = 0 [pid 6332] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6331] <... futex resumed>) = 0 [pid 5033] <... unlink resumed>) = 0 [pid 5032] unlink("./105/cgroup" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5028] umount2("./100/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6332] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6331] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5033] getdents64(3, [pid 5032] <... unlink resumed>) = 0 [pid 5031] unlink("./104/cgroup.cpu" [pid 5029] getdents64(3, [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6332] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] getdents64(3, [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] lstat("./100/cgroup.net", [pid 6332] <... futex resumed>) = 0 [pid 6331] close(3 [pid 5033] close(3 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] close(3 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6332] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = 0 [pid 5032] close(3 [pid 5031] umount2("./104/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... close resumed>) = 0 [pid 5028] unlink("./100/cgroup.net" [pid 6331] close(4 [pid 5033] rmdir("./108" [pid 5032] <... close resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] rmdir("./101" [pid 5028] <... unlink resumed>) = 0 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... rmdir resumed>) = 0 [pid 5032] rmdir("./105" [pid 5031] lstat("./104/cgroup", [pid 5029] <... rmdir resumed>) = 0 [pid 5028] umount2("./100/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6331] close(5 [pid 5033] mkdir("./109", 0777 [pid 5032] <... rmdir resumed>) = 0 [pid 5029] mkdir("./102", 0777 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... mkdir resumed>) = 0 [pid 5032] mkdir("./106", 0777 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] <... mkdir resumed>) = 0 [pid 5028] lstat("./100/cgroup.cpu", [pid 6331] close(6 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5032] <... mkdir resumed>) = 0 [pid 5031] unlink("./104/cgroup" [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6334 attached ./strace-static-x86_64: Process 6333 attached [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] <... unlink resumed>) = 0 [pid 5028] unlink("./100/cgroup.cpu"./strace-static-x86_64: Process 6335 attached [pid 6334] set_robust_list(0x55555580e6e0, 24 [pid 6333] set_robust_list(0x55555580e6e0, 24 [pid 6331] close(7 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 220 [pid 5031] getdents64(3, [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 206 [pid 5028] <... unlink resumed>) = 0 [pid 6335] set_robust_list(0x55555580e6e0, 24 [pid 6334] <... set_robust_list resumed>) = 0 [pid 6333] <... set_robust_list resumed>) = 0 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 214 [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] umount2("./100/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6335] <... set_robust_list resumed>) = 0 [pid 6334] chdir("./102" [pid 6333] chdir("./109" [pid 6331] close(8 [pid 5031] close(3 [pid 6335] chdir("./106" [pid 6334] <... chdir resumed>) = 0 [pid 6333] <... chdir resumed>) = 0 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... close resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6335] <... chdir resumed>) = 0 [pid 6334] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6333] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6331] close(9 [pid 5031] rmdir("./104" [pid 6335] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5031] <... rmdir resumed>) = 0 [pid 5028] lstat("./100/cgroup", [pid 6335] <... prctl resumed>) = 0 [pid 6334] <... prctl resumed>) = 0 [pid 6333] <... prctl resumed>) = 0 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] mkdir("./105", 0777 [pid 6335] setpgid(0, 0 [pid 5031] <... mkdir resumed>) = 0 [pid 6333] setpgid(0, 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6335] <... setpgid resumed>) = 0 [pid 6334] setpgid(0, 0 [pid 6333] <... setpgid resumed>) = 0 [pid 6331] close(10 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6336 attached [pid 6335] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6334] <... setpgid resumed>) = 0 [pid 6333] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] unlink("./100/cgroup" [pid 6336] set_robust_list(0x55555580e6e0, 24 [pid 6335] <... symlink resumed>) = 0 [pid 6334] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6336] <... set_robust_list resumed>) = 0 [pid 6335] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6333] <... symlink resumed>) = 0 [pid 6331] close(11 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 212 [pid 5028] <... unlink resumed>) = 0 [pid 6336] chdir("./105" [pid 6335] <... symlink resumed>) = 0 [pid 6334] <... symlink resumed>) = 0 [pid 6336] <... chdir resumed>) = 0 [pid 6335] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6336] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6335] <... symlink resumed>) = 0 [pid 6334] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6333] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] getdents64(3, [pid 6336] <... prctl resumed>) = 0 [pid 6335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6336] setpgid(0, 0 [pid 6335] <... openat resumed>) = 3 [pid 6334] <... symlink resumed>) = 0 [pid 6333] <... symlink resumed>) = 0 [pid 6331] close(12 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6336] <... setpgid resumed>) = 0 [pid 6335] write(3, "1000", 4 [pid 6334] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6333] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(3 [pid 6336] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6335] <... write resumed>) = 4 [pid 6334] <... symlink resumed>) = 0 [pid 6331] close(13 [pid 6333] <... symlink resumed>) = 0 [pid 5028] <... close resumed>) = 0 [pid 6336] <... symlink resumed>) = 0 [pid 6335] close(3 [pid 6336] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6335] <... close resumed>) = 0 [pid 6334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] rmdir("./100" [pid 6336] <... symlink resumed>) = 0 [pid 6335] read(200, [pid 6334] <... openat resumed>) = 3 [pid 6333] <... openat resumed>) = 3 [pid 6331] close(14 [pid 6336] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6335] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6336] <... symlink resumed>) = 0 [pid 6335] symlink("/dev/binderfs", "./binderfs" [pid 6336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6335] <... symlink resumed>) = 0 [pid 6334] write(3, "1000", 4 [pid 6333] write(3, "1000", 4 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... rmdir resumed>) = 0 [pid 6336] <... openat resumed>) = 3 [pid 6335] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] write(3, "1000", 4 [pid 6335] <... futex resumed>) = 0 [pid 6334] <... write resumed>) = 4 [pid 6333] <... write resumed>) = 4 [pid 6336] <... write resumed>) = 4 [pid 6335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6331] close(15 [pid 5028] mkdir("./101", 0777 [pid 6336] close(3 [pid 6335] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6334] close(3 [pid 6333] close(3 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... mkdir resumed>) = 0 [pid 6336] <... close resumed>) = 0 [pid 6335] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6334] <... close resumed>) = 0 [pid 6333] <... close resumed>) = 0 [pid 6331] close(16 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6336] read(200, [pid 6335] <... mprotect resumed>) = 0 [pid 6334] read(200, [pid 6333] read(200, [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6337 attached [pid 6336] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6335] 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 6334] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6333] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6331] close(17./strace-static-x86_64: Process 6338 attached [pid 6337] set_robust_list(0x55555580e6e0, 24 [pid 6336] symlink("/dev/binderfs", "./binderfs" [pid 6334] symlink("/dev/binderfs", "./binderfs" [pid 6333] symlink("/dev/binderfs", "./binderfs" [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 204 [pid 6338] set_robust_list(0x7f4e92bc39e0, 24 [pid 6337] <... set_robust_list resumed>) = 0 [pid 6336] <... symlink resumed>) = 0 [pid 6335] <... clone resumed>, parent_tid=[215], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 215 [pid 6338] <... set_robust_list resumed>) = 0 [pid 6337] chdir("./101" [pid 6336] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] <... symlink resumed>) = 0 [pid 6333] <... symlink resumed>) = 0 [pid 6331] close(18 [pid 6338] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6337] <... chdir resumed>) = 0 [pid 6336] <... futex resumed>) = 0 [pid 6335] <... futex resumed>) = 0 [pid 6337] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6335] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6334] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6337] <... prctl resumed>) = 0 [pid 6336] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6337] setpgid(0, 0 [pid 6336] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6334] <... futex resumed>) = 0 [pid 6338] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] <... setpgid resumed>) = 0 [pid 6336] <... mprotect resumed>) = 0 [pid 6333] <... futex resumed>) = 0 [pid 6331] close(19 [pid 6338] <... futex resumed>) = 1 [pid 6337] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6336] 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 6335] <... futex resumed>) = 0 [pid 6334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6339 attached [pid 6338] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6337] <... symlink resumed>) = 0 [pid 6335] close(3 [pid 6334] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6333] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6331] close(20 [pid 6339] set_robust_list(0x7f4e92bc39e0, 24 [pid 6337] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6336] <... clone resumed>, parent_tid=[213], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 213 [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6333] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] <... set_robust_list resumed>) = 0 [pid 6337] <... symlink resumed>) = 0 [pid 6336] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] close(4 [pid 6334] <... mprotect resumed>) = 0 [pid 6333] <... mprotect resumed>) = 0 [pid 6331] close(21 [pid 6339] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6337] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6336] <... futex resumed>) = 0 [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] 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 6333] 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 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6341 attached ./strace-static-x86_64: Process 6340 attached [pid 6339] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6337] <... symlink resumed>) = 0 [pid 6336] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6335] close(5 [pid 6331] close(22 [pid 6341] set_robust_list(0x7f4e92bc39e0, 24 [pid 6340] set_robust_list(0x7f4e92bc39e0, 24 [pid 6339] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] <... clone resumed>, parent_tid=[207], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 207 [pid 6333] <... clone resumed>, parent_tid=[221], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 221 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6341] <... set_robust_list resumed>) = 0 [pid 6340] <... set_robust_list resumed>) = 0 [pid 6339] <... futex resumed>) = 0 [pid 6337] <... openat resumed>) = 3 [pid 6336] close(3 [pid 6335] close(6 [pid 6334] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] close(23 [pid 6341] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6340] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6334] <... futex resumed>) = 0 [pid 6333] <... futex resumed>) = 0 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6341] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6340] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6337] write(3, "1000", 4 [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6333] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6331] close(24 [pid 6341] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6337] <... write resumed>) = 4 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] close(7 [pid 6334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6341] <... futex resumed>) = 0 [pid 6340] <... futex resumed>) = 0 [pid 6337] close(3 [pid 6336] close(4 [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(3 [pid 6333] close(3 [pid 6331] close(25 [pid 6341] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6340] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6337] <... close resumed>) = 0 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] close(8 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] read(200, [pid 6336] close(5 [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(4 [pid 6333] close(4 [pid 6331] close(26 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] close(9 [pid 6334] close(5 [pid 6333] close(5 [pid 6331] close(27 [pid 6337] symlink("/dev/binderfs", "./binderfs" [pid 6336] close(6 [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] <... symlink resumed>) = 0 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] close(10 [pid 6334] close(6 [pid 6333] close(6 [pid 6331] close(28 [pid 6337] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] close(7 [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] <... futex resumed>) = 0 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] close(11 [pid 6334] close(7 [pid 6333] close(7 [pid 6331] close(29 [pid 6337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6336] close(8 [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6337] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] 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 6334] close(8 [pid 6333] close(8 [pid 6331] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6337] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6336] close(9 [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... write resumed>) = 335 [pid 6337] <... mprotect resumed>) = 0 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] close(13 [pid 6334] close(9 [pid 6333] close(9 [pid 6331] exit_group(0 [pid 6337] 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 6336] close(10 [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6332] <... futex resumed>) = ? [pid 6331] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6342 attached [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] close(14 [pid 6334] close(10 [pid 6333] close(10 [pid 6332] +++ exited with 0 +++ [pid 6331] +++ exited with 0 +++ [pid 6342] set_robust_list(0x7f4e92bc39e0, 24 [pid 6337] <... clone resumed>, parent_tid=[205], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 205 [pid 6336] close(11 [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6342] <... set_robust_list resumed>) = 0 [pid 6337] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] close(15 [pid 6334] close(11 [pid 6333] close(11 [pid 6342] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6337] <... futex resumed>) = 0 [pid 6336] close(12 [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6337] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] close(16 [pid 6334] close(12 [pid 6333] close(12 [pid 5030] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6342] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6336] close(13 [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6342] <... futex resumed>) = 0 [pid 6337] close(3 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] close(17 [pid 6334] close(13 [pid 6333] close(13 [pid 5030] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6342] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] close(14 [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... openat resumed>) = 3 [pid 6337] close(4 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(14 [pid 6333] close(14 [pid 5030] fstat(3, [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] close(15 [pid 6335] close(18 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6337] close(5 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(15 [pid 6333] close(15 [pid 5030] getdents64(3, [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] close(16 [pid 6335] close(19 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6337] close(6 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(16 [pid 6333] close(16 [pid 5030] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] close(17 [pid 6335] close(20 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6337] close(7 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(17 [pid 6333] close(17 [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./101/binderfs", [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] close(18 [pid 6335] close(21 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6337] close(8 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(18 [pid 6333] close(18 [pid 5030] unlink("./101/binderfs" [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] close(19 [pid 6335] close(22 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6337] close(9 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(19 [pid 6333] close(19 [pid 5030] umount2("./101/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] close(20 [pid 6335] close(23 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6337] close(10 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(20 [pid 6333] close(20 [pid 5030] lstat("./101/cgroup.net", [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] close(21 [pid 6335] close(24 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6337] close(11 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(21 [pid 6333] close(21 [pid 5030] unlink("./101/cgroup.net" [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] close(22 [pid 6335] close(25 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6337] close(12 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(22 [pid 6333] close(22 [pid 5030] umount2("./101/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] close(23 [pid 6335] close(26 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6337] close(13 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(23 [pid 6333] close(23 [pid 5030] lstat("./101/cgroup.cpu", [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] close(24 [pid 6335] close(27 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6337] close(14 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(24 [pid 6333] close(24 [pid 5030] unlink("./101/cgroup.cpu" [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] close(25 [pid 6335] close(28 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6337] close(15 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(25 [pid 6333] close(25 [pid 5030] umount2("./101/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] close(26 [pid 6335] close(29 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... 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 6337] close(16 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(26 [pid 6333] close(26 [pid 5030] lstat("./101/cgroup", [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] close(27 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6337] close(17 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6334] close(27 [pid 6333] close(27 [pid 5030] unlink("./101/cgroup" [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] close(28 [pid 6335] <... write resumed>) = 335 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6337] close(18 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] exit_group(0 [pid 6334] close(28 [pid 6333] close(28 [pid 5030] getdents64(3, [pid 6338] <... futex 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 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 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] close(29 [pid 6335] <... exit_group resumed>) = ? [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6338] +++ exited with 0 +++ [pid 6337] close(19 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(29 [pid 6333] close(29 [pid 5030] close(3 [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = 0 [pid 6337] close(20 [pid 6336] <... write resumed>) = 335 [pid 6334] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6333] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5030] rmdir("./101" [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] exit_group(0 [pid 6335] +++ exited with 0 +++ [pid 6334] <... write resumed>) = 335 [pid 6333] <... write resumed>) = 335 [pid 5030] <... rmdir resumed>) = 0 [pid 6339] <... futex resumed>) = ? [pid 6337] close(21 [pid 6336] <... exit_group resumed>) = ? [pid 6334] exit_group(0 [pid 6333] exit_group(0 [pid 5030] mkdir("./102", 0777 [pid 6341] <... futex resumed>) = ? [pid 6340] <... futex resumed>) = ? [pid 6339] +++ exited with 0 +++ [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] +++ exited with 0 +++ [pid 6334] <... exit_group resumed>) = ? [pid 6333] <... exit_group resumed>) = ? [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5030] <... mkdir resumed>) = 0 [pid 6341] +++ exited with 0 +++ [pid 6340] +++ exited with 0 +++ [pid 6337] close(22) = -1 EBADF (Bad file descriptor) [pid 6334] +++ exited with 0 +++ [pid 5032] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6337] close(23 [pid 6333] +++ exited with 0 +++ [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5029] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6337] close(24 [pid 5032] <... openat resumed>) = 3 [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=212, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5029] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6343 attached [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=220, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5032] fstat(3, [pid 5031] restart_syscall(<... resuming interrupted clone ...> [pid 5029] <... openat resumed>) = 3 [pid 6343] set_robust_list(0x55555580e6e0, 24 [pid 6337] close(25 [pid 5033] restart_syscall(<... resuming interrupted clone ...> [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] <... restart_syscall resumed>) = 0 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 206 [pid 5029] fstat(3, [pid 6343] <... set_robust_list resumed>) = 0 [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... restart_syscall resumed>) = 0 [pid 5032] getdents64(3, [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6343] chdir("./102" [pid 6337] close(26 [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] getdents64(3, [pid 6343] <... chdir resumed>) = 0 [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6337] close(27 [pid 5033] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6343] <... prctl resumed>) = 0 [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6343] setpgid(0, 0 [pid 6337] close(28 [pid 5033] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] lstat("./106/binderfs", [pid 5031] <... openat resumed>) = 3 [pid 5029] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6343] <... setpgid resumed>) = 0 [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... openat resumed>) = 3 [pid 5031] fstat(3, [pid 6343] symlink("/syzcgroup/unified/syz5", "./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 6337] close(29 [pid 5033] fstat(3, [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6343] <... symlink resumed>) = 0 [pid 6337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] getdents64(3, [pid 6343] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5033] getdents64(3, [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6343] <... symlink resumed>) = 0 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6343] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6337] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] unlink("./106/binderfs" [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./102/binderfs", [pid 6343] <... symlink resumed>) = 0 [pid 6337] <... write resumed>) = 335 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... unlink resumed>) = 0 [pid 5031] lstat("./105/binderfs", [pid 6343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6337] exit_group(0 [pid 5033] lstat("./109/binderfs", [pid 5032] umount2("./106/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6343] <... openat resumed>) = 3 [pid 6342] <... futex resumed>) = ? [pid 6337] <... exit_group resumed>) = ? [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] unlink("./105/binderfs" [pid 5029] unlink("./102/binderfs" [pid 6343] write(3, "1000", 4 [pid 6342] +++ exited with 0 +++ [pid 5033] unlink("./109/binderfs" [pid 5031] <... unlink resumed>) = 0 [pid 6343] <... write resumed>) = 4 [pid 5033] <... unlink resumed>) = 0 [pid 5032] lstat("./106/cgroup.net", [pid 5031] umount2("./105/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... unlink resumed>) = 0 [pid 6343] close(3 [pid 5033] umount2("./109/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6343] <... close resumed>) = 0 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] lstat("./105/cgroup.net", [pid 5029] umount2("./102/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6343] read(200, [pid 5033] lstat("./109/cgroup.net", [pid 5032] unlink("./106/cgroup.net" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6343] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] unlink("./105/cgroup.net" [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6343] symlink("/dev/binderfs", "./binderfs" [pid 6337] +++ exited with 0 +++ [pid 5033] unlink("./109/cgroup.net" [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5029] lstat("./102/cgroup.net", [pid 6343] <... symlink resumed>) = 0 [pid 5033] <... unlink resumed>) = 0 [pid 5031] umount2("./105/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] umount2("./106/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6343] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] umount2("./109/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6343] <... futex resumed>) = 0 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] lstat("./105/cgroup.cpu", [pid 6343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5033] lstat("./109/cgroup.cpu", [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6343] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] lstat("./106/cgroup.cpu", [pid 5029] unlink("./102/cgroup.net" [pid 6343] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5033] unlink("./109/cgroup.cpu" [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] unlink("./105/cgroup.cpu" [pid 5029] <... unlink resumed>) = 0 [pid 6343] <... mprotect resumed>) = 0 [pid 5033] <... unlink resumed>) = 0 [pid 5032] unlink("./106/cgroup.cpu" [pid 5031] <... unlink resumed>) = 0 [pid 5029] umount2("./102/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6343] 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] umount2("./109/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... unlink resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5032] umount2("./106/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] lstat("./102/cgroup.cpu", ./strace-static-x86_64: Process 6344 attached [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./105/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] restart_syscall(<... resuming interrupted clone ...> [pid 6344] set_robust_list(0x7f4e92bc39e0, 24 [pid 6343] <... clone resumed>, parent_tid=[207], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 207 [pid 5033] lstat("./109/cgroup", [pid 5032] lstat("./106/cgroup", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] unlink("./102/cgroup.cpu" [pid 5028] <... restart_syscall resumed>) = 0 [pid 6344] <... set_robust_list resumed>) = 0 [pid 6343] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 6344] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6343] <... futex resumed>) = 0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] unlink("./106/cgroup" [pid 5031] lstat("./105/cgroup", [pid 5029] umount2("./102/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6344] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6343] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5033] unlink("./109/cgroup" [pid 5032] <... unlink resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6344] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] getdents64(3, [pid 5029] lstat("./102/cgroup", [pid 6344] <... futex resumed>) = 0 [pid 6343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6344] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6343] close(3 [pid 5032] close(3 [pid 5029] unlink("./102/cgroup" [pid 5032] <... close resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5032] rmdir("./106" [pid 5029] getdents64(3, [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5032] <... rmdir resumed>) = 0 [pid 5031] unlink("./105/cgroup" [pid 5028] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6343] close(4 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] mkdir("./107", 0777 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] <... mkdir resumed>) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5029] close(3 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] <... close resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6345 attached [pid 6343] close(5 [pid 5033] <... close resumed>) = 0 [pid 5031] getdents64(3, [pid 5029] rmdir("./102" [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 216 [pid 5029] <... rmdir resumed>) = 0 [pid 6345] set_robust_list(0x55555580e6e0, 24 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] rmdir("./109" [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] mkdir("./103", 0777 [pid 5028] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6345] <... set_robust_list resumed>) = 0 [pid 6343] close(6 [pid 5033] <... rmdir resumed>) = 0 [pid 5031] close(3 [pid 5029] <... mkdir resumed>) = 0 [pid 5028] <... openat resumed>) = 3 [pid 6345] chdir("./107" [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6345] <... chdir resumed>) = 0 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./110", 0777 [pid 5031] <... close resumed>) = 0 [pid 5028] fstat(3, ./strace-static-x86_64: Process 6346 attached [pid 6345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6343] close(7 [pid 5033] <... mkdir resumed>) = 0 [pid 5031] rmdir("./105" [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6346] set_robust_list(0x55555580e6e0, 24 [pid 6345] <... prctl resumed>) = 0 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] <... rmdir resumed>) = 0 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 208 [pid 5028] getdents64(3, [pid 6346] <... set_robust_list resumed>) = 0 [pid 6345] setpgid(0, 0 [pid 6343] close(8 [pid 5031] mkdir("./106", 0777./strace-static-x86_64: Process 6347 attached [pid 6346] chdir("./103" [pid 6345] <... setpgid resumed>) = 0 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 222 [pid 5031] <... mkdir resumed>) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6347] set_robust_list(0x55555580e6e0, 24 [pid 6346] <... chdir resumed>) = 0 [pid 6345] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6343] close(9 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6347] <... set_robust_list resumed>) = 0 [pid 6346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6345] <... symlink resumed>) = 0 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] setpgid(0, 0) = 0 [pid 6347] chdir("./110" [pid 6346] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6345] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6343] close(10 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6348 attached [pid 6347] <... chdir resumed>) = 0 [pid 6346] <... symlink resumed>) = 0 [pid 6345] <... symlink resumed>) = 0 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] lstat("./101/binderfs", [pid 6348] set_robust_list(0x55555580e6e0, 24 [pid 6347] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6346] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6345] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6343] close(11 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 214 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6348] <... set_robust_list resumed>) = 0 [pid 6347] <... prctl resumed>) = 0 [pid 6346] <... symlink resumed>) = 0 [pid 6345] <... symlink resumed>) = 0 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] unlink("./101/binderfs" [pid 6348] chdir("./106" [pid 6347] setpgid(0, 0 [pid 6346] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6343] close(12 [pid 5028] <... unlink resumed>) = 0 [pid 6348] <... chdir resumed>) = 0 [pid 6347] <... setpgid resumed>) = 0 [pid 6346] <... symlink resumed>) = 0 [pid 6345] <... openat resumed>) = 3 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] umount2("./101/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6347] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6345] write(3, "1000", 4 [pid 6343] close(13 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6348] <... prctl resumed>) = 0 [pid 6347] <... symlink resumed>) = 0 [pid 6345] <... write resumed>) = 4 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] lstat("./101/cgroup.net", [pid 6348] setpgid(0, 0 [pid 6347] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6345] close(3 [pid 6343] close(14 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6348] <... setpgid resumed>) = 0 [pid 6347] <... symlink resumed>) = 0 [pid 6345] <... close resumed>) = 0 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... openat resumed>) = 3 [pid 5028] unlink("./101/cgroup.net" [pid 6348] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6347] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6346] write(3, "1000", 4 [pid 6345] read(200, [pid 6343] close(15 [pid 5028] <... unlink resumed>) = 0 [pid 6348] <... symlink resumed>) = 0 [pid 6347] <... symlink resumed>) = 0 [pid 6346] <... write resumed>) = 4 [pid 6345] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] umount2("./101/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6348] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6346] close(3 [pid 6345] symlink("/dev/binderfs", "./binderfs" [pid 6343] close(16 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6348] <... symlink resumed>) = 0 [pid 6347] <... openat resumed>) = 3 [pid 6346] <... close resumed>) = 0 [pid 6345] <... symlink resumed>) = 0 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] lstat("./101/cgroup.cpu", [pid 6348] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6347] write(3, "1000", 4 [pid 6343] close(17 [pid 6346] read(200, [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6348] <... symlink resumed>) = 0 [pid 6347] <... write resumed>) = 4 [pid 6346] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6345] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] unlink("./101/cgroup.cpu" [pid 6348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6347] close(3 [pid 6346] symlink("/dev/binderfs", "./binderfs" [pid 6345] <... futex resumed>) = 0 [pid 6343] close(18 [pid 5028] <... unlink resumed>) = 0 [pid 6348] <... openat resumed>) = 3 [pid 6347] <... close resumed>) = 0 [pid 6346] <... symlink resumed>) = 0 [pid 6345] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] umount2("./101/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6348] write(3, "1000", 4 [pid 6347] read(200, [pid 6343] close(19 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6348] <... write resumed>) = 4 [pid 6347] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6345] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] lstat("./101/cgroup", [pid 6348] close(3 [pid 6347] symlink("/dev/binderfs", "./binderfs" [pid 6346] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6345] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6343] close(20 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6348] <... close resumed>) = 0 [pid 6347] <... symlink resumed>) = 0 [pid 6346] <... futex resumed>) = 0 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... mprotect resumed>) = 0 [pid 5028] unlink("./101/cgroup" [pid 6348] read(200, [pid 6347] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6345] 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 6343] close(21 [pid 5028] <... unlink resumed>) = 0 [pid 6348] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6347] <... futex resumed>) = 0 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5028] getdents64(3, ./strace-static-x86_64: Process 6349 attached [pid 6348] symlink("/dev/binderfs", "./binderfs" [pid 6347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6346] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6343] close(22 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6349] set_robust_list(0x7f4e92bc39e0, 24 [pid 6348] <... symlink resumed>) = 0 [pid 6347] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6346] <... mprotect resumed>) = 0 [pid 6345] <... clone resumed>, parent_tid=[217], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 217 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(3 [pid 6349] <... set_robust_list resumed>) = 0 [pid 6348] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6343] close(23 [pid 5028] <... close resumed>) = 0 [pid 6349] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6348] <... futex resumed>) = 0 [pid 6347] <... mprotect resumed>) = 0 [pid 6346] 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 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] rmdir("./101"./strace-static-x86_64: Process 6350 attached [pid 6349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6347] 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 6345] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] close(24 [pid 5028] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6351 attached [pid 6350] set_robust_list(0x7f4e92bc39e0, 24 [pid 6349] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6348] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6346] <... clone resumed>, parent_tid=[209], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 209 [pid 6345] <... futex resumed>) = 0 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] mkdir("./102", 0777 [pid 6351] set_robust_list(0x7f4e92bc39e0, 24 [pid 6350] <... set_robust_list resumed>) = 0 [pid 6349] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6348] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6347] <... clone resumed>, parent_tid=[223], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 223 [pid 6346] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6345] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6343] close(25 [pid 5028] <... mkdir resumed>) = 0 [pid 6351] <... set_robust_list resumed>) = 0 [pid 6350] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6349] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... mprotect resumed>) = 0 [pid 6347] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... futex resumed>) = 0 [pid 6345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6343] <... 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 6352 attached [pid 6351] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6350] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6349] <... futex resumed>) = 0 [pid 6348] 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 6347] <... futex resumed>) = 0 [pid 6346] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6345] close(3 [pid 6343] close(26./strace-static-x86_64: Process 6353 attached [pid 6352] set_robust_list(0x55555580e6e0, 24 [pid 6351] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6350] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6347] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 206 [pid 6353] set_robust_list(0x7f4e92bc39e0, 24 [pid 6352] <... set_robust_list resumed>) = 0 [pid 6351] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... futex resumed>) = 0 [pid 6348] <... clone resumed>, parent_tid=[215], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 215 [pid 6347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6346] close(3 [pid 6345] close(4 [pid 6343] close(27 [pid 6353] <... set_robust_list resumed>) = 0 [pid 6352] chdir("./102" [pid 6351] <... futex resumed>) = 0 [pid 6350] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6348] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] close(3 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6352] <... chdir resumed>) = 0 [pid 6351] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6348] <... futex resumed>) = 0 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] close(4 [pid 6345] close(5 [pid 6343] close(28 [pid 6353] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6352] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6348] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6347] close(4 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] <... prctl resumed>) = 0 [pid 6348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] close(5 [pid 6345] close(6 [pid 6343] 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 6353] <... futex resumed>) = 0 [pid 6352] setpgid(0, 0 [pid 6348] close(3 [pid 6347] close(5 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6352] <... setpgid resumed>) = 0 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6346] close(6 [pid 6352] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6348] close(4 [pid 6347] close(6 [pid 6343] <... write resumed>) = 335 [pid 6352] <... symlink resumed>) = 0 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(7 [pid 6343] exit_group(0 [pid 6352] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6348] close(5 [pid 6347] close(7 [pid 6346] close(7 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6344] <... futex resumed>) = ? [pid 6343] <... exit_group resumed>) = ? [pid 6352] <... symlink resumed>) = 0 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(8 [pid 6344] +++ exited with 0 +++ [pid 6343] +++ exited with 0 +++ [pid 6352] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6348] close(6 [pid 6347] close(8 [pid 6346] close(8 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] <... symlink resumed>) = 0 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(9 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6348] close(7 [pid 6347] close(9 [pid 6346] close(9 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(10 [pid 6352] <... openat resumed>) = 3 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] close(10 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] write(3, "1000", 4 [pid 6348] close(8 [pid 6347] close(10 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(11 [pid 6352] <... write resumed>) = 4 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] close(11 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] close(3 [pid 6348] close(9 [pid 6347] close(11 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(12 [pid 6352] <... close resumed>) = 0 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] close(12 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] read(200, [pid 6348] close(10 [pid 6347] close(12 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(13 [pid 5030] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6352] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] close(13 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6352] symlink("/dev/binderfs", "./binderfs" [pid 6348] close(11 [pid 6347] close(13 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(14 [pid 5030] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6352] <... symlink resumed>) = 0 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] close(14 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... openat resumed>) = 3 [pid 6352] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] close(12 [pid 6347] close(14 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(15 [pid 5030] fstat(3, [pid 6352] <... futex resumed>) = 0 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] close(15 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6348] close(13 [pid 6347] close(15 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(16 [pid 5030] getdents64(3, [pid 6352] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] close(16 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6352] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6348] close(14 [pid 6347] close(16 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(17 [pid 5030] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6352] <... mprotect resumed>) = 0 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] close(17 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6352] 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 6348] close(15 [pid 6347] close(17 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(18 [pid 5030] lstat("./102/binderfs", ./strace-static-x86_64: Process 6354 attached [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] close(18 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6354] set_robust_list(0x7f4e92bc39e0, 24 [pid 6352] <... clone resumed>, parent_tid=[207], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 207 [pid 6348] close(16 [pid 6347] close(18 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(19 [pid 5030] unlink("./102/binderfs" [pid 6354] <... set_robust_list resumed>) = 0 [pid 6352] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] close(19 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6354] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6352] <... futex resumed>) = 0 [pid 6348] close(17 [pid 6347] close(19 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(20 [pid 5030] umount2("./102/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6354] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6352] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] close(20 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6354] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6348] close(18 [pid 6347] close(20 [pid 5030] lstat("./102/cgroup.net", [pid 6354] <... futex resumed>) = 0 [pid 6352] close(3 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(21 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6354] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] close(19 [pid 6347] close(21 [pid 6346] close(21 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./102/cgroup.net" [pid 6352] close(4 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(22 [pid 5030] <... unlink resumed>) = 0 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] close(20 [pid 6347] close(22 [pid 6346] close(22 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./102/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6352] close(5 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(23 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] close(21 [pid 6347] close(23 [pid 6346] close(23 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./102/cgroup.cpu", [pid 6352] close(6 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(24 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] close(22 [pid 6347] close(24 [pid 6346] close(24 [pid 5030] unlink("./102/cgroup.cpu" [pid 6352] close(7 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] close(23 [pid 6347] close(25 [pid 6346] close(25 [pid 6345] close(25 [pid 5030] umount2("./102/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6352] close(8 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] close(24 [pid 6347] close(26 [pid 6346] close(26 [pid 6345] close(26 [pid 5030] lstat("./102/cgroup", [pid 6352] close(9 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] close(25 [pid 6347] close(27 [pid 6346] close(27 [pid 6345] close(27 [pid 5030] unlink("./102/cgroup" [pid 6352] close(10 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] close(26 [pid 6347] close(28 [pid 6346] close(28 [pid 5030] getdents64(3, [pid 6345] close(28 [pid 6352] close(11 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] close(27 [pid 6347] close(29 [pid 6346] close(29 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] close(3 [pid 6352] close(12 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(29 [pid 5030] <... close resumed>) = 0 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] close(28 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 6347] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5030] rmdir("./102" [pid 6352] 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 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 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... write resumed>) = 335 [pid 6346] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... rmdir resumed>) = 0 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] close(29 [pid 6347] exit_group(0 [pid 6346] <... write resumed>) = 335 [pid 6345] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5030] mkdir("./103", 0777 [pid 6352] close(14 [pid 6351] <... futex resumed>) = ? [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... 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 6346] exit_group(0 [pid 6345] <... write resumed>) = 335 [pid 5030] <... mkdir resumed>) = 0 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] +++ exited with 0 +++ [pid 6350] <... futex resumed>) = ? [pid 6348] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6346] <... exit_group resumed>) = ? [pid 6345] exit_group(0 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6355 attached [pid 6352] close(15 [pid 6350] +++ exited with 0 +++ [pid 6349] <... futex resumed>) = ? [pid 6348] <... write resumed>) = 335 [pid 6347] +++ exited with 0 +++ [pid 6346] +++ exited with 0 +++ [pid 6345] <... exit_group resumed>) = ? [pid 6355] set_robust_list(0x55555580e6e0, 24 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] +++ exited with 0 +++ [pid 6348] exit_group(0 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 208 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=208, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6355] <... set_robust_list resumed>) = 0 [pid 6353] <... futex resumed>) = ? [pid 6352] close(16 [pid 6348] <... exit_group resumed>) = ? [pid 6345] +++ exited with 0 +++ [pid 6355] chdir("./103" [pid 6353] +++ exited with 0 +++ [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... chdir resumed>) = 0 [pid 6352] close(17 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] +++ exited with 0 +++ [pid 6355] <... prctl resumed>) = 0 [pid 6352] close(18 [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6355] setpgid(0, 0 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6355] <... setpgid resumed>) = 0 [pid 6352] close(19 [pid 5033] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6355] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6352] close(20 [pid 5033] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] <... openat resumed>) = 3 [pid 5029] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6355] <... symlink resumed>) = 0 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... openat resumed>) = 3 [pid 5032] fstat(3, [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... openat resumed>) = 3 [pid 6355] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6352] close(21 [pid 5033] fstat(3, [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] fstat(3, [pid 6355] <... symlink resumed>) = 0 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] getdents64(3, [pid 5031] <... openat resumed>) = 3 [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6355] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6352] close(22 [pid 5033] getdents64(3, [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] fstat(3, [pid 5029] getdents64(3, [pid 6355] <... symlink resumed>) = 0 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6352] close(23 [pid 5033] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6355] <... openat resumed>) = 3 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] lstat("./107/binderfs", [pid 5031] getdents64(3, [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6355] write(3, "1000", 4 [pid 6352] close(24 [pid 5033] lstat("./110/binderfs", [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] lstat("./103/binderfs", [pid 6355] <... write resumed>) = 4 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] unlink("./107/binderfs" [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6355] close(3 [pid 6352] close(25 [pid 5033] unlink("./110/binderfs" [pid 5032] <... unlink resumed>) = 0 [pid 5029] unlink("./103/binderfs" [pid 6355] <... close resumed>) = 0 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5032] umount2("./107/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... unlink resumed>) = 0 [pid 6355] read(200, [pid 6352] close(26 [pid 5033] umount2("./110/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./103/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6355] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] lstat("./107/cgroup.net", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6355] symlink("/dev/binderfs", "./binderfs" [pid 6352] close(27 [pid 5033] lstat("./110/cgroup.net", [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] lstat("./103/cgroup.net", [pid 6355] <... symlink resumed>) = 0 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] unlink("./107/cgroup.net" [pid 5031] lstat("./106/binderfs", [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6355] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] close(28 [pid 5033] unlink("./110/cgroup.net" [pid 5032] <... unlink resumed>) = 0 [pid 5029] unlink("./103/cgroup.net" [pid 6355] <... futex resumed>) = 0 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5032] umount2("./107/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... unlink resumed>) = 0 [pid 6355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6352] close(29 [pid 5033] umount2("./110/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./103/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6355] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] lstat("./107/cgroup.cpu", [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6355] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE 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 6352] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] lstat("./110/cgroup.cpu", [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] unlink("./106/binderfs" [pid 5029] lstat("./103/cgroup.cpu", [pid 6355] <... mprotect resumed>) = 0 [pid 6352] <... write resumed>) = 335 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] unlink("./107/cgroup.cpu" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6355] 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 6352] exit_group(0 [pid 5033] unlink("./110/cgroup.cpu" [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5029] unlink("./103/cgroup.cpu"./strace-static-x86_64: Process 6356 attached [pid 6354] <... futex resumed>) = ? [pid 6352] <... exit_group resumed>) = ? [pid 5033] <... unlink resumed>) = 0 [pid 5032] umount2("./107/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] umount2("./106/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... unlink resumed>) = 0 [pid 6356] set_robust_list(0x7f4e92bc39e0, 24 [pid 6355] <... clone resumed>, parent_tid=[209], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 209 [pid 6354] +++ exited with 0 +++ [pid 6352] +++ exited with 0 +++ [pid 5033] umount2("./110/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./103/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6356] <... set_robust_list resumed>) = 0 [pid 6355] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] lstat("./107/cgroup", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6356] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6355] <... futex resumed>) = 0 [pid 5033] lstat("./110/cgroup", [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] lstat("./106/cgroup.net", [pid 5029] lstat("./103/cgroup", [pid 6356] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6355] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] unlink("./107/cgroup" [pid 5031] <... 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 6356] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] unlink("./110/cgroup" [pid 5032] <... unlink resumed>) = 0 [pid 5031] unlink("./106/cgroup.net" [pid 5029] unlink("./103/cgroup" [pid 6356] <... futex resumed>) = 0 [pid 6355] close(3 [pid 5033] <... unlink resumed>) = 0 [pid 5032] getdents64(3, [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 6356] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] umount2("./106/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] getdents64(3, [pid 6355] close(4 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] close(3 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] close(3 [pid 5032] <... close resumed>) = 0 [pid 5031] lstat("./106/cgroup.cpu", [pid 5029] close(3 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6355] close(5 [pid 5033] <... close resumed>) = 0 [pid 5032] rmdir("./107" [pid 5029] <... close resumed>) = 0 [pid 5028] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] rmdir("./110" [pid 5032] <... rmdir resumed>) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] rmdir("./103" [pid 5028] <... openat resumed>) = 3 [pid 6355] close(6 [pid 5033] <... rmdir resumed>) = 0 [pid 5032] mkdir("./108", 0777 [pid 5029] <... rmdir resumed>) = 0 [pid 5028] fstat(3, [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] mkdir("./111", 0777 [pid 5032] <... mkdir resumed>) = 0 [pid 5031] unlink("./106/cgroup.cpu" [pid 5029] mkdir("./104", 0777 [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6355] close(7 [pid 5033] <... mkdir resumed>) = 0 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... mkdir resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] umount2("./106/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] getdents64(3, [pid 6355] close(8 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] lstat("./106/cgroup", [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6355] close(9 [pid 5031] unlink("./106/cgroup") = 0 [pid 5031] getdents64(3, 0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] close(3) = 0 [pid 5031] rmdir("./106") = 0 [pid 5031] mkdir("./107", 0777) = 0 [pid 5028] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6358 attached [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6360 attached ./strace-static-x86_64: Process 6359 attached [pid 6355] close(10 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 224 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6357 attached [pid 6360] set_robust_list(0x55555580e6e0, 24 [pid 6358] set_robust_list(0x55555580e6e0, 24 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 210 [pid 6360] <... set_robust_list resumed>) = 0 [pid 6359] set_robust_list(0x55555580e6e0, 24 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 218 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 216 [pid 5028] lstat("./102/binderfs", [pid 6360] chdir("./108" [pid 6359] <... set_robust_list resumed>) = 0 [pid 6358] <... set_robust_list resumed>) = 0 [pid 6357] set_robust_list(0x55555580e6e0, 24 [pid 6355] close(11 [pid 6360] <... chdir resumed>) = 0 [pid 6359] chdir("./107" [pid 6358] chdir("./111" [pid 6357] <... set_robust_list resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6359] <... chdir resumed>) = 0 [pid 6358] <... chdir resumed>) = 0 [pid 6357] chdir("./104" [pid 6355] close(12 [pid 5028] unlink("./102/binderfs" [pid 6360] <... prctl resumed>) = 0 [pid 6359] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6358] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6357] <... chdir resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... unlink resumed>) = 0 [pid 6360] setpgid(0, 0 [pid 6359] <... prctl resumed>) = 0 [pid 6358] <... prctl resumed>) = 0 [pid 6357] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6355] close(13 [pid 5028] umount2("./102/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6360] <... setpgid resumed>) = 0 [pid 6359] setpgid(0, 0 [pid 6358] setpgid(0, 0 [pid 6357] <... prctl resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6360] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6359] <... setpgid resumed>) = 0 [pid 6358] <... setpgid resumed>) = 0 [pid 6357] setpgid(0, 0 [pid 6355] close(14 [pid 5028] lstat("./102/cgroup.net", [pid 6360] <... symlink resumed>) = 0 [pid 6359] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6358] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6357] <... setpgid resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6359] <... symlink resumed>) = 0 [pid 6358] <... symlink resumed>) = 0 [pid 6357] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6355] close(15 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6360] <... symlink resumed>) = 0 [pid 6359] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6358] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6357] <... symlink resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] unlink("./102/cgroup.net" [pid 6360] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6359] <... symlink resumed>) = 0 [pid 6358] <... symlink resumed>) = 0 [pid 6357] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6355] close(16 [pid 6360] <... symlink resumed>) = 0 [pid 6359] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5028] <... unlink resumed>) = 0 [pid 6360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6359] <... symlink resumed>) = 0 [pid 6360] <... openat resumed>) = 3 [pid 6359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6360] write(3, "1000", 4 [pid 6359] <... openat resumed>) = 3 [pid 6358] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6357] <... symlink resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] umount2("./102/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6360] <... write resumed>) = 4 [pid 6359] write(3, "1000", 4 [pid 6358] <... symlink resumed>) = 0 [pid 6357] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6355] close(17 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6360] close(3 [pid 6359] <... write resumed>) = 4 [pid 6358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6357] <... symlink resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] lstat("./102/cgroup.cpu", [pid 6360] <... close resumed>) = 0 [pid 6359] close(3 [pid 6360] read(200, [pid 6359] <... close resumed>) = 0 [pid 6358] <... openat resumed>) = 3 [pid 6357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6355] close(18 [pid 6360] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6359] read(200, [pid 6358] write(3, "1000", 4 [pid 6357] <... openat resumed>) = 3 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6360] symlink("/dev/binderfs", "./binderfs" [pid 6359] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6360] <... symlink resumed>) = 0 [pid 6359] symlink("/dev/binderfs", "./binderfs" [pid 6358] <... write resumed>) = 4 [pid 6357] write(3, "1000", 4 [pid 6355] close(19 [pid 5028] unlink("./102/cgroup.cpu" [pid 6360] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] <... symlink resumed>) = 0 [pid 6358] close(3 [pid 6357] <... write resumed>) = 4 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... unlink resumed>) = 0 [pid 6360] <... futex resumed>) = 0 [pid 6359] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... close resumed>) = 0 [pid 6357] close(3 [pid 6355] close(20 [pid 5028] umount2("./102/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6359] <... futex resumed>) = 0 [pid 6358] read(200, [pid 6357] <... close resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6360] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6358] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6357] read(200, [pid 6355] close(21 [pid 5028] lstat("./102/cgroup", [pid 6360] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6359] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6358] symlink("/dev/binderfs", "./binderfs" [pid 6357] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6360] <... mprotect resumed>) = 0 [pid 6359] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6358] <... symlink resumed>) = 0 [pid 6357] symlink("/dev/binderfs", "./binderfs" [pid 6355] close(22 [pid 5028] unlink("./102/cgroup" [pid 6360] 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 6359] <... mprotect resumed>) = 0 [pid 6358] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... symlink resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6361 attached [pid 6359] 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 6358] <... futex resumed>) = 0 [pid 6357] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] close(23 [pid 5028] getdents64(3, [pid 6361] set_robust_list(0x7f4e92bc39e0, 24 [pid 6358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6357] <... futex resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6361] <... set_robust_list resumed>) = 0 [pid 6358] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6355] close(24 [pid 5028] close(3./strace-static-x86_64: Process 6362 attached [pid 6361] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6360] <... clone resumed>, parent_tid=[219], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 219 [pid 6359] <... clone resumed>, parent_tid=[217], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 217 [pid 6358] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6357] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... close resumed>) = 0 [pid 6358] <... mprotect resumed>) = 0 [pid 6357] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6355] close(25 [pid 5028] rmdir("./102" [pid 6362] set_robust_list(0x7f4e92bc39e0, 24 [pid 6360] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] 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 6357] <... mprotect resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6363 attached [pid 6362] <... set_robust_list resumed>) = 0 [pid 6361] <... futex resumed>) = 0 [pid 6360] <... futex resumed>) = 1 [pid 6359] <... futex resumed>) = 0 [pid 6357] 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 6355] close(26 [pid 5028] mkdir("./103", 0777./strace-static-x86_64: Process 6364 attached [pid 6363] set_robust_list(0x7f4e92bc39e0, 24 [pid 6362] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6361] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6360] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6359] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6358] <... clone resumed>, parent_tid=[225], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 225 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... mkdir resumed>) = 0 [pid 6364] set_robust_list(0x7f4e92bc39e0, 24 [pid 6363] <... set_robust_list resumed>) = 0 [pid 6362] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6361] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6358] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... clone resumed>, parent_tid=[211], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 211 [pid 6355] close(27 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6365 attached [pid 6364] <... set_robust_list resumed>) = 0 [pid 6363] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6362] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... futex resumed>) = 0 [pid 6357] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] set_robust_list(0x55555580e6e0, 24 [pid 6364] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6363] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6362] <... futex resumed>) = 1 [pid 6361] <... futex resumed>) = 1 [pid 6360] <... futex resumed>) = 0 [pid 6359] <... futex resumed>) = 0 [pid 6358] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6357] <... futex resumed>) = 0 [pid 6355] close(28 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 208 [pid 6365] <... set_robust_list resumed>) = 0 [pid 6364] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6363] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6361] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6360] close(3 [pid 6359] close(3 [pid 6358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6357] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] chdir("./103" [pid 6364] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] <... futex resumed>) = 0 [pid 6358] close(3 [pid 6357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6355] close(29 [pid 6365] <... chdir resumed>) = 0 [pid 6364] <... futex resumed>) = 0 [pid 6363] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] close(3 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6364] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6360] close(4 [pid 6359] close(4 [pid 6358] close(4 [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] 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 6365] <... prctl resumed>) = 0 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] close(4 [pid 6355] <... write resumed>) = 335 [pid 6365] setpgid(0, 0 [pid 6358] close(5 [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] exit_group(0 [pid 6365] <... setpgid resumed>) = 0 [pid 6360] close(5 [pid 6359] close(5 [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] close(5 [pid 6356] <... futex resumed>) = ? [pid 6355] <... exit_group resumed>) = ? [pid 6365] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] close(6 [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] +++ exited with 0 +++ [pid 6355] +++ exited with 0 +++ [pid 6365] <... symlink resumed>) = 0 [pid 6360] close(6 [pid 6359] close(6 [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] close(6 [pid 6365] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] close(7 [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] <... symlink resumed>) = 0 [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] close(7 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=208, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6365] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6359] close(7 [pid 6358] close(8 [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] <... symlink resumed>) = 0 [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] close(8 [pid 6365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6358] close(9 [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] <... openat resumed>) = 3 [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] close(9 [pid 6365] write(3, "1000", 4 [pid 6358] close(10 [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] <... write resumed>) = 4 [pid 6360] close(7 [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] close(10 [pid 6365] close(3 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] close(8 [pid 6358] close(11 [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] <... close resumed>) = 0 [pid 6360] close(8 [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] close(11 [pid 6365] read(200, [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] close(9 [pid 6358] close(12 [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6365] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6360] close(9 [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] close(12 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6365] symlink("/dev/binderfs", "./binderfs" [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] close(10 [pid 6358] close(13 [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6365] <... symlink resumed>) = 0 [pid 6360] close(10 [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] close(13 [pid 5030] <... openat resumed>) = 3 [pid 6365] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] close(11 [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] fstat(3, [pid 6365] <... futex resumed>) = 0 [pid 6360] close(11 [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] close(14 [pid 6357] close(14 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] close(12 [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] getdents64(3, [pid 6365] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6360] close(12 [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] close(15 [pid 6357] close(15 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6365] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] close(13 [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6360] close(13 [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] close(14 [pid 6358] close(16 [pid 5030] lstat("./103/binderfs", [pid 6365] <... mprotect resumed>) = 0 [pid 6360] close(14 [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] close(16 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6365] 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 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] close(15 [pid 6358] close(17 [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./103/binderfs"./strace-static-x86_64: Process 6366 attached [pid 6360] close(15 [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] close(17 [pid 5030] <... unlink resumed>) = 0 [pid 6366] set_robust_list(0x7f4e92bc39e0, 24 [pid 6365] <... clone resumed>, parent_tid=[209], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 209 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] close(16 [pid 5030] umount2("./103/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6366] <... set_robust_list resumed>) = 0 [pid 6365] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] close(16 [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] close(18 [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6366] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6365] <... futex resumed>) = 0 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] close(17 [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] close(18 [pid 5030] lstat("./103/cgroup.net", [pid 6366] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6365] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6360] close(17 [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] close(19 [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6366] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] close(18 [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] close(19 [pid 5030] unlink("./103/cgroup.net" [pid 6366] <... futex resumed>) = 0 [pid 6365] close(3 [pid 6360] close(18 [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] close(20 [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6366] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] close(19 [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] close(20 [pid 5030] umount2("./103/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6365] close(4 [pid 6360] close(19 [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] close(21 [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] close(20 [pid 5030] lstat("./103/cgroup.cpu", [pid 6365] close(5 [pid 6360] close(20 [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] close(21 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] close(21 [pid 6358] close(22 [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./103/cgroup.cpu" [pid 6360] close(21 [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] close(22 [pid 5030] <... unlink resumed>) = 0 [pid 6365] close(6 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] close(22 [pid 6358] close(23 [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./103/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] close(22 [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] close(23 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6365] close(7 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] close(23 [pid 6358] close(24 [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./103/cgroup", [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] close(23 [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] close(24 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6365] close(8 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] close(24 [pid 6358] close(25 [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./103/cgroup" [pid 6360] close(24 [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] close(25 [pid 5030] <... unlink resumed>) = 0 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] close(25 [pid 6358] close(26 [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] getdents64(3, [pid 6365] close(9 [pid 6360] close(25 [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] close(26 [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] close(26 [pid 6358] close(27 [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] close(3 [pid 6365] close(10 [pid 6360] close(26 [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] close(27 [pid 5030] <... close resumed>) = 0 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] close(27 [pid 6358] close(28 [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] rmdir("./103" [pid 6365] close(11 [pid 6360] close(27 [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] close(28 [pid 5030] <... rmdir resumed>) = 0 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] close(28 [pid 6358] close(29 [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] mkdir("./104", 0777write 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 6365] close(12 [pid 6360] close(28 [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] close(29 [pid 5030] <... mkdir resumed>) = 0 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] close(29 [pid 6358] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6357] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6365] <... 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 6360] close(29 [pid 6359] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] <... write resumed>) = 335 [pid 6357] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6365] close(13 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6358] exit_group(0 [pid 6357] <... 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 ./strace-static-x86_64: Process 6367 attached [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6363] <... futex resumed>) = ? [pid 6360] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6359] <... write resumed>) = 335 [pid 6358] <... exit_group resumed>) = ? [pid 6357] 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 6365] close(14 [pid 6363] +++ exited with 0 +++ [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... write resumed>) = 335 [pid 6359] exit_group(0 [pid 6365] close(15 [pid 6360] exit_group(0 [pid 6359] <... exit_group resumed>) = ? [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6364] <... futex resumed>) = ? [pid 6362] <... futex resumed>) = ? [pid 6361] <... futex resumed>) = ? [pid 6360] <... exit_group resumed>) = ? [pid 6357] <... exit_group resumed>) = ? [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 210 [pid 6367] set_robust_list(0x55555580e6e0, 24 [pid 6365] close(16 [pid 6364] +++ exited with 0 +++ [pid 6361] +++ exited with 0 +++ [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] close(17) = -1 EBADF (Bad file descriptor) [pid 6365] close(18) = -1 EBADF (Bad file descriptor) [pid 6365] close(19) = -1 EBADF (Bad file descriptor) [pid 6365] close(20) = -1 EBADF (Bad file descriptor) [pid 6362] +++ exited with 0 +++ [pid 6359] +++ exited with 0 +++ [pid 6367] <... set_robust_list resumed>) = 0 [pid 6365] close(21 [pid 6360] +++ exited with 0 +++ [pid 6358] +++ exited with 0 +++ [pid 6367] chdir("./104" [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6365] close(22 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=224, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6367] <... chdir resumed>) = 0 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] +++ exited with 0 +++ [pid 5033] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6367] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6365] close(23 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6367] <... prctl resumed>) = 0 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6367] setpgid(0, 0 [pid 6365] close(24 [pid 5033] <... openat resumed>) = 3 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] restart_syscall(<... resuming interrupted clone ...> [pid 6367] <... setpgid resumed>) = 0 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 5032] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6367] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6365] close(25 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] <... openat resumed>) = 3 [pid 5029] <... restart_syscall resumed>) = 0 [pid 6367] <... symlink resumed>) = 0 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5032] fstat(3, [pid 5031] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6365] close(26 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] getdents64(3, [pid 5031] <... openat resumed>) = 3 [pid 6365] close(27 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./111/binderfs", [pid 5032] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6367] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6365] close(28 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] fstat(3, [pid 6367] <... symlink resumed>) = 0 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./111/binderfs" [pid 5032] lstat("./108/binderfs", [pid 6367] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6365] close(29 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 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 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6367] <... symlink resumed>) = 0 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./111/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] unlink("./108/binderfs" [pid 5031] getdents64(3, [pid 5029] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6365] 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 6367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6365] <... write resumed>) = 335 [pid 5033] lstat("./111/cgroup.net", [pid 5032] umount2("./108/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6367] <... openat resumed>) = 3 [pid 6365] exit_group(0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6366] <... futex resumed>) = ? [pid 6365] <... exit_group resumed>) = ? [pid 5033] unlink("./111/cgroup.net" [pid 5032] lstat("./108/cgroup.net", [pid 5031] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6367] write(3, "1000", 4 [pid 6366] +++ exited with 0 +++ [pid 6365] +++ exited with 0 +++ [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5033] umount2("./111/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] unlink("./108/cgroup.net" [pid 6367] <... write resumed>) = 4 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... unlink resumed>) = 0 [pid 6367] close(3 [pid 5033] lstat("./111/cgroup.cpu", [pid 5032] umount2("./108/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] lstat("./107/binderfs", [pid 5029] <... openat resumed>) = 3 [pid 6367] <... close resumed>) = 0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=208, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6367] read(200, [pid 5033] unlink("./111/cgroup.cpu" [pid 5032] lstat("./108/cgroup.cpu", [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] fstat(3, [pid 6367] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5031] unlink("./107/binderfs" [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6367] symlink("/dev/binderfs", "./binderfs" [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5029] getdents64(3, [pid 5028] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6367] <... symlink resumed>) = 0 [pid 5033] umount2("./111/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] unlink("./108/cgroup.cpu" [pid 5031] umount2("./107/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6367] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6367] <... futex resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5031] lstat("./107/cgroup.net", [pid 5033] lstat("./111/cgroup", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] lstat("./104/binderfs", [pid 5028] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6367] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] umount2("./108/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] unlink("./107/cgroup.net" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6367] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5033] unlink("./111/cgroup" [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... unlink resumed>) = 0 [pid 5029] unlink("./104/binderfs" [pid 5028] <... openat resumed>) = 3 [pid 6367] <... mprotect resumed>) = 0 [pid 5033] <... unlink resumed>) = 0 [pid 5032] lstat("./108/cgroup", [pid 5031] umount2("./107/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... unlink resumed>) = 0 [pid 5028] fstat(3, [pid 6367] 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] getdents64(3, [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./104/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6368 attached [pid 5032] unlink("./108/cgroup" [pid 5031] lstat("./107/cgroup.cpu", [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6368] set_robust_list(0x7f4e92bc39e0, 24 [pid 6367] <... clone resumed>, parent_tid=[211], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 211 [pid 5033] close(3 [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] lstat("./104/cgroup.net", [pid 6368] <... set_robust_list resumed>) = 0 [pid 6367] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] <... close resumed>) = 0 [pid 5032] getdents64(3, [pid 5031] unlink("./107/cgroup.cpu" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] getdents64(3, [pid 6368] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6367] <... futex resumed>) = 0 [pid 5033] rmdir("./111" [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5029] unlink("./104/cgroup.net" [pid 6368] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6367] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5033] <... rmdir resumed>) = 0 [pid 5032] close(3 [pid 5031] umount2("./107/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6368] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./104/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6368] <... futex resumed>) = 0 [pid 6367] close(3 [pid 5033] mkdir("./112", 0777 [pid 5032] <... close resumed>) = 0 [pid 5031] lstat("./107/cgroup", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6368] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... mkdir resumed>) = 0 [pid 5032] rmdir("./108" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] lstat("./104/cgroup.cpu", [pid 6367] close(4 [pid 5031] unlink("./107/cgroup" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... rmdir resumed>) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5029] unlink("./104/cgroup.cpu" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6367] close(5 [pid 5031] getdents64(3, [pid 5029] <... unlink resumed>) = 0 [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] umount2("./104/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6367] close(6 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5032] mkdir("./109", 0777 [pid 5031] close(3 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] lstat("./103/binderfs", [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... mkdir resumed>) = 0 [pid 5031] <... close resumed>) = 0 [pid 5029] lstat("./104/cgroup", [pid 6367] close(7 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] rmdir("./107" [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 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... rmdir resumed>) = 0 [pid 5029] unlink("./104/cgroup" [pid 6367] close(8 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 226 [pid 5031] mkdir("./108", 0777 [pid 5029] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6369 attached ./strace-static-x86_64: Process 6370 attached [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... mkdir resumed>) = 0 [pid 5029] getdents64(3, [pid 5028] unlink("./103/binderfs" [pid 6370] set_robust_list(0x55555580e6e0, 24 [pid 6369] set_robust_list(0x55555580e6e0, 24 [pid 6367] close(9 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6371 attached [pid 6370] <... set_robust_list resumed>) = 0 [pid 6369] <... set_robust_list resumed>) = 0 [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 220 [pid 5029] close(3 [pid 5028] <... unlink resumed>) = 0 [pid 6371] set_robust_list(0x55555580e6e0, 24 [pid 6370] chdir("./109" [pid 6369] chdir("./112" [pid 6367] close(10 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 218 [pid 5029] <... close resumed>) = 0 [pid 6371] <... set_robust_list resumed>) = 0 [pid 6370] <... chdir resumed>) = 0 [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] rmdir("./104" [pid 6369] <... chdir resumed>) = 0 [pid 5028] umount2("./103/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6371] chdir("./108" [pid 6370] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6367] close(11 [pid 5029] <... rmdir resumed>) = 0 [pid 6371] <... chdir resumed>) = 0 [pid 6370] <... prctl resumed>) = 0 [pid 6369] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] mkdir("./105", 0777 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6371] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6370] setpgid(0, 0 [pid 6369] <... prctl resumed>) = 0 [pid 6367] close(12 [pid 5029] <... mkdir resumed>) = 0 [pid 6371] <... prctl resumed>) = 0 [pid 6370] <... setpgid resumed>) = 0 [pid 6369] setpgid(0, 0 [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] lstat("./103/cgroup.net", ./strace-static-x86_64: Process 6372 attached [pid 6371] setpgid(0, 0 [pid 6370] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6369] <... setpgid resumed>) = 0 [pid 6367] close(13 [pid 6372] set_robust_list(0x55555580e6e0, 24 [pid 6371] <... setpgid resumed>) = 0 [pid 6370] <... symlink resumed>) = 0 [pid 6369] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6372] <... set_robust_list resumed>) = 0 [pid 6371] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6370] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6367] close(14 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 212 [pid 6372] chdir("./105" [pid 6371] <... symlink resumed>) = 0 [pid 6370] <... symlink resumed>) = 0 [pid 6369] <... symlink resumed>) = 0 [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] unlink("./103/cgroup.net" [pid 6371] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6370] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6367] close(15 [pid 6372] <... chdir resumed>) = 0 [pid 6371] <... symlink resumed>) = 0 [pid 6370] <... symlink resumed>) = 0 [pid 6369] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... unlink resumed>) = 0 [pid 6372] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6371] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6369] <... symlink resumed>) = 0 [pid 6367] close(16 [pid 6372] <... prctl resumed>) = 0 [pid 6371] <... symlink resumed>) = 0 [pid 6370] <... openat resumed>) = 3 [pid 6369] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] umount2("./103/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6372] setpgid(0, 0 [pid 6371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6370] write(3, "1000", 4 [pid 6367] close(17 [pid 6372] <... setpgid resumed>) = 0 [pid 6371] <... openat resumed>) = 3 [pid 6369] <... symlink resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6372] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6371] write(3, "1000", 4 [pid 6370] <... write resumed>) = 4 [pid 6369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] lstat("./103/cgroup.cpu", [pid 6372] <... symlink resumed>) = 0 [pid 6371] <... write resumed>) = 4 [pid 6370] close(3 [pid 6369] <... openat resumed>) = 3 [pid 6367] close(18 [pid 6372] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6371] close(3 [pid 6370] <... close resumed>) = 0 [pid 6369] write(3, "1000", 4 [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6372] <... symlink resumed>) = 0 [pid 6371] <... close resumed>) = 0 [pid 6370] read(200, [pid 6369] <... write resumed>) = 4 [pid 5028] unlink("./103/cgroup.cpu" [pid 6372] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6369] close(3 [pid 6367] close(19 [pid 5028] <... unlink resumed>) = 0 [pid 6372] <... symlink resumed>) = 0 [pid 6369] <... close resumed>) = 0 [pid 5028] umount2("./103/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6371] read(200, [pid 6369] read(200, [pid 6370] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6372] <... openat resumed>) = 3 [pid 6371] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6370] symlink("/dev/binderfs", "./binderfs" [pid 6369] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6367] close(20 [pid 5028] lstat("./103/cgroup", [pid 6372] write(3, "1000", 4 [pid 6371] symlink("/dev/binderfs", "./binderfs" [pid 6369] symlink("/dev/binderfs", "./binderfs" [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6372] <... write resumed>) = 4 [pid 6371] <... symlink resumed>) = 0 [pid 6370] <... symlink resumed>) = 0 [pid 6369] <... symlink resumed>) = 0 [pid 6367] close(21 [pid 5028] unlink("./103/cgroup" [pid 6372] close(3 [pid 6371] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... unlink resumed>) = 0 [pid 6372] <... close resumed>) = 0 [pid 6371] <... futex resumed>) = 0 [pid 6369] <... futex resumed>) = 0 [pid 5028] getdents64(3, [pid 6372] read(200, [pid 6371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6370] <... futex resumed>) = 0 [pid 6369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6367] close(22 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6372] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6371] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6369] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5028] close(3 [pid 6372] symlink("/dev/binderfs", "./binderfs" [pid 6371] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6370] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6369] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... close resumed>) = 0 [pid 6372] <... symlink resumed>) = 0 [pid 6371] <... mprotect resumed>) = 0 [pid 6370] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6369] <... mprotect resumed>) = 0 [pid 6367] close(23 [pid 5028] rmdir("./103" [pid 6372] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] 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 6370] <... mprotect resumed>) = 0 [pid 6369] 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 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6374 attached ./strace-static-x86_64: Process 6373 attached [pid 6372] <... futex resumed>) = 0 [pid 6370] 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 6367] close(24 [pid 5028] mkdir("./104", 0777./strace-static-x86_64: Process 6375 attached [pid 6374] set_robust_list(0x7f4e92bc39e0, 24 [pid 6373] set_robust_list(0x7f4e92bc39e0, 24 [pid 6372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6371] <... clone resumed>, parent_tid=[219], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 219 [pid 6369] <... clone resumed>, parent_tid=[227], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 227 [pid 5028] <... mkdir resumed>) = 0 [pid 6375] set_robust_list(0x7f4e92bc39e0, 24 [pid 6373] <... set_robust_list resumed>) = 0 [pid 6372] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6369] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] <... clone resumed>, parent_tid=[221], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 221 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6376 attached [pid 6375] <... set_robust_list resumed>) = 0 [pid 6374] <... set_robust_list resumed>) = 0 [pid 6373] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6372] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6371] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] <... futex resumed>) = 0 [pid 6367] close(25 [pid 6376] set_robust_list(0x55555580e6e0, 24 [pid 6375] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6374] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6373] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6372] <... mprotect resumed>) = 0 [pid 6369] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6376] <... set_robust_list resumed>) = 0 [pid 6375] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6374] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6371] <... futex resumed>) = 0 [pid 6370] <... futex resumed>) = 0 [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 210 [pid 6376] chdir("./104" [pid 6375] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] 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 6371] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6370] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6367] close(26./strace-static-x86_64: Process 6377 attached [pid 6376] <... chdir resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6374] <... futex resumed>) = 0 [pid 6373] <... futex resumed>) = 1 [pid 6371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6369] <... futex resumed>) = 0 [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] set_robust_list(0x7f4e92bc39e0, 24 [pid 6376] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6375] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6374] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6373] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6372] <... clone resumed>, parent_tid=[213], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 213 [pid 6371] close(3 [pid 6370] close(3 [pid 6367] close(27 [pid 6377] <... set_robust_list resumed>) = 0 [pid 6376] <... prctl resumed>) = 0 [pid 6372] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] close(3 [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] setpgid(0, 0 [pid 6371] close(4 [pid 6370] close(4 [pid 6367] close(28 [pid 6376] <... setpgid resumed>) = 0 [pid 6371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6371] close(5 [pid 6370] close(5 [pid 6367] close(29 [pid 6377] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6376] <... symlink resumed>) = 0 [pid 6372] <... futex resumed>) = 0 [pid 6369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] <... 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 6377] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6376] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6372] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6371] close(6 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] close(4 [pid 6367] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... symlink resumed>) = 0 [pid 6371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(6 [pid 6369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6377] <... futex resumed>) = 1 [pid 6376] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6372] <... futex resumed>) = 0 [pid 6371] close(7 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] close(5 [pid 6367] <... write resumed>) = 335 [pid 6377] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6376] <... symlink resumed>) = 0 [pid 6372] close(3 [pid 6371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(7 [pid 6369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] exit_group(0 [pid 6376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] close(8 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] close(6 [pid 6368] <... futex resumed>) = ? [pid 6367] <... exit_group resumed>) = ? [pid 6376] <... openat resumed>) = 3 [pid 6372] close(4 [pid 6371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(8 [pid 6369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6368] +++ exited with 0 +++ [pid 6376] write(3, "1000", 4 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] close(9 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] +++ exited with 0 +++ [pid 6369] close(7 [pid 6376] <... write resumed>) = 4 [pid 6372] close(5 [pid 6371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(9 [pid 6369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(3 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] close(10 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] close(8 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6376] <... close resumed>) = 0 [pid 6372] close(6 [pid 6371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(10 [pid 6369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6376] read(200, [pid 6371] close(11 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6376] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(11 [pid 6369] close(9 [pid 5030] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6376] symlink("/dev/binderfs", "./binderfs" [pid 6372] close(7 [pid 6371] close(12 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... openat resumed>) = 3 [pid 6376] <... symlink resumed>) = 0 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(12 [pid 6369] close(10 [pid 5030] fstat(3, [pid 6376] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] close(8 [pid 6371] close(13 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6376] <... futex resumed>) = 0 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(13 [pid 6369] close(11 [pid 6376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6372] close(9 [pid 6371] close(14 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] getdents64(3, [pid 6376] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(14 [pid 6369] close(12 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6376] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6372] close(10 [pid 6371] close(15 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6376] <... mprotect resumed>) = 0 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(15 [pid 6369] close(13 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6376] 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 6372] close(11 [pid 6371] close(16 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6378 attached [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(16 [pid 6369] close(14 [pid 5030] lstat("./104/binderfs", [pid 6378] set_robust_list(0x7f4e92bc39e0, 24 [pid 6376] <... clone resumed>, parent_tid=[211], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 211 [pid 6372] close(12 [pid 6371] close(17 [pid 6369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6378] <... set_robust_list resumed>) = 0 [pid 6376] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] close(15 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6378] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6376] <... futex resumed>) = 0 [pid 6372] close(13 [pid 6371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(17 [pid 6369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./104/binderfs" [pid 6378] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6376] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] close(18 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] close(16 [pid 5030] <... unlink resumed>) = 0 [pid 6378] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6372] close(14 [pid 6371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(18 [pid 6369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./104/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6378] <... futex resumed>) = 0 [pid 6376] close(3 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] close(19 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] close(17 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6378] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] close(15 [pid 6371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(19 [pid 6369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./104/cgroup.net", [pid 6376] close(4 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] close(20 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] close(16 [pid 6371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(20 [pid 6369] close(18 [pid 5030] unlink("./104/cgroup.net" [pid 6376] close(5 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] close(21 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] close(17 [pid 6371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(21 [pid 6369] close(19 [pid 5030] umount2("./104/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6376] close(6 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] close(22 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(22 [pid 5030] lstat("./104/cgroup.cpu", [pid 6376] close(7 [pid 6372] close(18 [pid 6371] close(23 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] close(20 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(23 [pid 6369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./104/cgroup.cpu" [pid 6376] close(8 [pid 6372] close(19 [pid 6371] close(24 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] close(21 [pid 5030] <... unlink resumed>) = 0 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(24 [pid 6369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./104/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6376] close(9 [pid 6372] close(20 [pid 6371] close(25 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] close(22 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(25 [pid 5030] lstat("./104/cgroup", [pid 6376] close(10 [pid 6372] close(21 [pid 6371] close(26 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(26 [pid 6369] close(23 [pid 5030] unlink("./104/cgroup" [pid 6376] close(11 [pid 6372] close(22 [pid 6371] close(27 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(27 [pid 5030] getdents64(3, [pid 6376] close(12 [pid 6371] close(28 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] close(23 [pid 6371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(28 [pid 6369] close(24 [pid 5030] close(3 [pid 6376] close(13 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] close(29 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... close resumed>) = 0 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] close(24 [pid 6371] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(29 [pid 5030] rmdir("./104" [pid 6376] close(14 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] 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 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] close(25 [pid 5030] <... rmdir resumed>) = 0 [pid 6376] <... 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 6372] close(25 [pid 6371] <... write resumed>) = 335 [pid 6370] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5030] mkdir("./105", 0777 [pid 6369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(15 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] exit_group(0 [pid 6370] <... write resumed>) = 335 [pid 6369] close(26 [pid 5030] <... mkdir resumed>) = 0 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] <... futex resumed>) = ? [pid 6372] close(26 [pid 6371] <... exit_group resumed>) = ? [pid 6370] exit_group(0 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6376] close(16 [pid 6374] +++ exited with 0 +++ [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] <... 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 6379 attached [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6375] <... futex resumed>) = ? [pid 6372] close(27 [pid 6371] +++ exited with 0 +++ [pid 6370] <... exit_group resumed>) = ? [pid 6369] close(27 [pid 6376] close(17 [pid 6375] +++ exited with 0 +++ [pid 6369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] close(28) = -1 EBADF (Bad file descriptor) [pid 6369] close(29) = -1 EBADF (Bad file descriptor) [pid 6369] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335) = 335 [pid 6369] exit_group(0 [pid 6373] <... futex resumed>) = ? [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] +++ exited with 0 +++ [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] <... exit_group resumed>) = ? [pid 6376] close(18 [pid 6373] +++ exited with 0 +++ [pid 6372] close(28 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=220, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 212 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] restart_syscall(<... resuming interrupted clone ...> [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6376] close(19 [pid 6372] close(29 [pid 5032] <... restart_syscall resumed>) = 0 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(20 [pid 6372] 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("./109", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6379] set_robust_list(0x55555580e6e0, 24 [pid 6369] +++ exited with 0 +++ [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] <... write resumed>) = 335 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=226, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6379] <... set_robust_list resumed>) = 0 [pid 6376] close(21 [pid 6372] exit_group(0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6379] chdir("./105" [pid 6377] <... futex resumed>) = ? [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] <... exit_group resumed>) = ? [ 284.590301][ T1190] ieee802154 phy0 wpan0: encryption failed: -22 [ 284.597060][ T1190] ieee802154 phy1 wpan1: encryption failed: -22 [pid 5032] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6379] <... chdir resumed>) = 0 [pid 6377] +++ exited with 0 +++ [pid 6376] close(22 [pid 6372] +++ exited with 0 +++ [pid 5033] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... openat resumed>) = 3 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5032] fstat(3, [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=212, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6379] <... prctl resumed>) = 0 [pid 6376] close(23 [pid 5033] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6379] setpgid(0, 0 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... openat resumed>) = 3 [pid 5032] getdents64(3, [pid 5031] <... openat resumed>) = 3 [pid 6379] <... setpgid resumed>) = 0 [pid 6376] close(24 [pid 5033] fstat(3, [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6379] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] fstat(3, [pid 6379] <... symlink resumed>) = 0 [pid 6376] close(25 [pid 5033] getdents64(3, [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6379] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5032] lstat("./109/binderfs", [pid 5031] getdents64(3, [pid 6379] <... symlink resumed>) = 0 [pid 6376] close(26 [pid 5033] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6379] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] unlink("./109/binderfs" [pid 5031] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6379] <... symlink resumed>) = 0 [pid 6376] close(27 [pid 5033] lstat("./112/binderfs", [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... openat resumed>) = 3 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] lstat("./108/binderfs", [pid 5029] fstat(3, [pid 6379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6376] close(28 [pid 5033] unlink("./112/binderfs" [pid 5032] umount2("./109/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6379] <... openat resumed>) = 3 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5031] unlink("./108/binderfs" [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6379] write(3, "1000", 4 [pid 6376] close(29 [pid 5033] umount2("./112/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6379] <... write resumed>) = 4 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] lstat("./109/cgroup.net", [pid 5031] <... unlink resumed>) = 0 [pid 5029] getdents64(3, [pid 6379] close(3 [pid 6376] 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 5033] lstat("./112/cgroup.net", [pid 5031] umount2("./108/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6379] <... close resumed>) = 0 [pid 6376] <... write resumed>) = 335 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6379] read(200, [pid 6376] exit_group(0 [pid 5033] unlink("./112/cgroup.net" [pid 5031] lstat("./108/cgroup.net", [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6379] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6378] <... futex resumed>) = ? [pid 6376] <... exit_group resumed>) = ? [pid 5033] <... unlink resumed>) = 0 [pid 5032] unlink("./109/cgroup.net" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] lstat("./105/binderfs", [pid 6379] symlink("/dev/binderfs", "./binderfs" [pid 6378] +++ exited with 0 +++ [pid 5032] <... unlink resumed>) = 0 [pid 6379] <... symlink resumed>) = 0 [pid 5033] umount2("./112/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] umount2("./109/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] unlink("./108/cgroup.net" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6379] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6379] <... futex resumed>) = 0 [pid 5033] lstat("./112/cgroup.cpu", [pid 5032] lstat("./109/cgroup.cpu", [pid 5031] <... unlink resumed>) = 0 [pid 5029] unlink("./105/binderfs" [pid 6379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6376] +++ exited with 0 +++ [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] umount2("./108/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... unlink resumed>) = 0 [pid 6379] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5033] unlink("./112/cgroup.cpu" [pid 5032] unlink("./109/cgroup.cpu" [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./105/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6379] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5031] lstat("./108/cgroup.cpu", [pid 6379] <... mprotect resumed>) = 0 [pid 5032] umount2("./109/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6379] 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] umount2("./112/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6380 attached [pid 5032] lstat("./109/cgroup", [pid 5029] lstat("./105/cgroup.net", [pid 6380] set_robust_list(0x7f4e92bc39e0, 24 [pid 6379] <... clone resumed>, parent_tid=[213], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 213 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] unlink("./108/cgroup.cpu" [pid 6380] <... set_robust_list resumed>) = 0 [pid 6379] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] lstat("./112/cgroup", [pid 5032] unlink("./109/cgroup" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6380] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6379] <... futex resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 6380] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6379] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] getdents64(3, [pid 5029] unlink("./105/cgroup.net" [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6380] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] unlink("./112/cgroup" [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] umount2("./108/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] close(3) = 0 [pid 5032] rmdir("./109" [pid 5029] <... unlink resumed>) = 0 [pid 5028] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6380] <... futex resumed>) = 1 [pid 6379] <... futex resumed>) = 0 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... rmdir resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] umount2("./105/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6380] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] close(3 [pid 5033] getdents64(3, [pid 5032] mkdir("./110", 0777 [pid 5031] lstat("./108/cgroup", [pid 5028] <... openat resumed>) = 3 [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] <... mkdir resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] fstat(3, [pid 6379] close(4 [pid 5033] close(3 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] lstat("./105/cgroup.cpu", ./strace-static-x86_64: Process 6381 attached [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... close resumed>) = 0 [pid 5031] unlink("./108/cgroup" [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6381] set_robust_list(0x55555580e6e0, 24 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 222 [pid 6381] <... set_robust_list resumed>) = 0 [pid 6381] chdir("./110" [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5033] rmdir("./112" [pid 6381] <... chdir resumed>) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5033] <... rmdir resumed>) = 0 [pid 5029] unlink("./105/cgroup.cpu" [pid 6379] close(5 [pid 5033] mkdir("./113", 0777 [pid 5028] getdents64(3, [pid 5029] <... unlink resumed>) = 0 [pid 6381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5033] <... mkdir resumed>) = 0 [pid 6381] <... prctl resumed>) = 0 [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] getdents64(3, [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] umount2("./105/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6381] setpgid(0, 0 [pid 6379] close(6 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6381] <... setpgid resumed>) = 0 [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6381] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6379] close(7 [pid 5031] close(3 [pid 5029] lstat("./105/cgroup", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6382 attached [pid 6381] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] set_robust_list(0x55555580e6e0, 24 [pid 6381] <... symlink resumed>) = 0 [pid 5031] <... close resumed>) = 0 [pid 6382] <... set_robust_list resumed>) = 0 [pid 6381] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6379] close(8 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] lstat("./104/binderfs", [pid 6382] chdir("./113" [pid 6381] <... symlink resumed>) = 0 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 228 [pid 5031] rmdir("./108" [pid 6382] <... chdir resumed>) = 0 [pid 6381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] unlink("./105/cgroup" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6382] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6381] <... openat resumed>) = 3 [pid 6379] close(9 [pid 5031] <... rmdir resumed>) = 0 [pid 6382] <... prctl resumed>) = 0 [pid 6381] write(3, "1000", 4 [pid 5029] <... unlink resumed>) = 0 [pid 5028] unlink("./104/binderfs" [pid 6382] setpgid(0, 0 [pid 6381] <... write resumed>) = 4 [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] mkdir("./109", 0777 [pid 6382] <... setpgid resumed>) = 0 [pid 6381] close(3 [pid 6382] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6381] <... close resumed>) = 0 [pid 6382] <... symlink resumed>) = 0 [pid 6381] read(200, [pid 6379] close(10 [pid 5031] <... mkdir resumed>) = 0 [pid 5029] getdents64(3, [pid 5028] <... unlink resumed>) = 0 [pid 6382] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6381] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6382] <... symlink resumed>) = 0 [pid 6381] symlink("/dev/binderfs", "./binderfs" [pid 6379] close(11 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] umount2("./104/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6382] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6381] <... symlink resumed>) = 0 [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6383 attached [pid 6382] <... symlink resumed>) = 0 [pid 6381] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] close(3 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6383] set_robust_list(0x55555580e6e0, 24 [pid 6382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6381] <... futex resumed>) = 0 [pid 6379] close(12 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 220 [pid 5029] <... close resumed>) = 0 [pid 5028] lstat("./104/cgroup.net", [pid 6383] <... set_robust_list resumed>) = 0 [pid 6382] <... openat resumed>) = 3 [pid 6381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] rmdir("./105" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6383] chdir("./109" [pid 6382] write(3, "1000", 4 [pid 6381] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6379] close(13 [pid 5029] <... rmdir resumed>) = 0 [pid 5028] unlink("./104/cgroup.net" [pid 6383] <... chdir resumed>) = 0 [pid 6382] <... write resumed>) = 4 [pid 6381] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] mkdir("./106", 0777 [pid 5028] <... unlink resumed>) = 0 [pid 6383] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6382] close(3 [pid 6381] <... mprotect resumed>) = 0 [pid 6379] close(14 [pid 5029] <... mkdir resumed>) = 0 [pid 5028] umount2("./104/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6383] <... prctl resumed>) = 0 [pid 6381] 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 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [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 6384 attached ./strace-static-x86_64: Process 6385 attached [pid 6383] setpgid(0, 0 [pid 6382] <... close resumed>) = 0 [pid 6379] close(15 [pid 5028] lstat("./104/cgroup.cpu", [pid 6385] set_robust_list(0x7f4e92bc39e0, 24 [pid 6384] set_robust_list(0x55555580e6e0, 24 [pid 6383] <... setpgid resumed>) = 0 [pid 6382] read(200, [pid 6381] <... clone resumed>, parent_tid=[223], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 223 [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 214 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6385] <... set_robust_list resumed>) = 0 [pid 6384] <... set_robust_list resumed>) = 0 [pid 6383] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6382] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6381] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] close(16 [pid 5028] unlink("./104/cgroup.cpu" [pid 6385] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6384] chdir("./106" [pid 6383] <... symlink resumed>) = 0 [pid 6382] symlink("/dev/binderfs", "./binderfs" [pid 6381] <... futex resumed>) = 0 [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... unlink resumed>) = 0 [pid 6385] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6384] <... chdir resumed>) = 0 [pid 6383] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5028] umount2("./104/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6385] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6383] <... symlink resumed>) = 0 [pid 6382] <... symlink resumed>) = 0 [pid 6381] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6379] close(17 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6385] <... futex resumed>) = 0 [pid 6384] <... prctl resumed>) = 0 [pid 6383] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5028] lstat("./104/cgroup", [pid 6385] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6384] setpgid(0, 0 [pid 6383] <... symlink resumed>) = 0 [pid 6382] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6384] <... setpgid resumed>) = 0 [pid 6383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6382] <... futex resumed>) = 0 [pid 6381] close(3 [pid 6379] close(18 [pid 5028] unlink("./104/cgroup" [pid 6384] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6383] <... openat resumed>) = 3 [pid 6382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... unlink resumed>) = 0 [pid 6384] <... symlink resumed>) = 0 [pid 6383] write(3, "1000", 4 [pid 6382] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6381] close(4 [pid 6379] close(19 [pid 5028] getdents64(3, [pid 6384] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6383] <... write resumed>) = 4 [pid 6382] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6384] <... symlink resumed>) = 0 [pid 6383] close(3 [pid 6382] <... mprotect resumed>) = 0 [pid 6381] close(5 [pid 6379] close(20 [pid 6384] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6383] <... close resumed>) = 0 [pid 6382] 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 5028] close(3 [pid 6384] <... symlink resumed>) = 0 [pid 6383] read(200, [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... close resumed>) = 0 ./strace-static-x86_64: Process 6386 attached [pid 6384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6383] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6381] close(6 [pid 6379] close(21 [pid 5028] rmdir("./104" [pid 6386] set_robust_list(0x7f4e92bc39e0, 24 [pid 6384] <... openat resumed>) = 3 [pid 6383] symlink("/dev/binderfs", "./binderfs" [pid 6382] <... clone resumed>, parent_tid=[229], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 229 [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... set_robust_list resumed>) = 0 [pid 6384] write(3, "1000", 4 [pid 6383] <... symlink resumed>) = 0 [pid 6382] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] close(7 [pid 6379] close(22 [pid 5028] <... rmdir resumed>) = 0 [pid 6386] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6384] <... write resumed>) = 4 [pid 6383] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] <... futex resumed>) = 0 [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6384] close(3 [pid 6383] <... futex resumed>) = 0 [pid 6382] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6381] close(8 [pid 6379] close(23 [pid 5028] mkdir("./105", 0777 [pid 6386] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] <... close resumed>) = 0 [pid 6383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... futex resumed>) = 0 [pid 6384] read(200, [pid 6383] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6382] close(3 [pid 6381] close(9 [pid 6379] close(24 [pid 5028] <... mkdir resumed>) = 0 [pid 6386] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6384] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6383] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6382] close(4 [pid 6381] close(10 [pid 6379] close(25 [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] close(5 [pid 6381] close(11 [pid 6379] close(26 [pid 6384] symlink("/dev/binderfs", "./binderfs" [pid 6383] <... mprotect resumed>) = 0 [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] close(6 [pid 6381] close(12 [pid 6379] close(27 [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6387 attached [pid 6384] <... symlink resumed>) = 0 [pid 6383] 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 6382] close(7 [pid 6381] close(13 [pid 6379] close(28./strace-static-x86_64: Process 6388 attached [pid 6387] set_robust_list(0x55555580e6e0, 24 [pid 6384] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 212 [pid 6388] set_robust_list(0x7f4e92bc39e0, 24 [pid 6387] <... set_robust_list resumed>) = 0 [pid 6384] <... futex resumed>) = 0 [pid 6383] <... clone resumed>, parent_tid=[221], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 221 [pid 6382] close(8 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 6381] close(14 [pid 6379] close(29 [pid 6388] <... set_robust_list resumed>) = 0 [pid 6387] chdir("./105" [pid 6384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6383] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6387] <... chdir resumed>) = 0 [pid 6382] close(9 [pid 6381] close(15 [pid 6379] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6388] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6387] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... write resumed>) = 335 [pid 6388] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] <... prctl resumed>) = 0 [pid 6383] <... futex resumed>) = 0 [pid 6382] close(10 [pid 6381] close(16 [pid 6379] exit_group(0 [pid 6388] <... futex resumed>) = 0 [pid 6387] setpgid(0, 0 [pid 6384] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6383] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6380] <... futex resumed>) = ? [pid 6379] <... exit_group resumed>) = ? [pid 6388] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] <... setpgid resumed>) = 0 [pid 6384] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6382] close(11 [pid 6381] close(17 [pid 6387] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6383] close(3 [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] <... symlink resumed>) = 0 [pid 6384] <... mprotect resumed>) = 0 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] close(12 [pid 6381] close(18 [pid 6387] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6383] close(4 [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] <... symlink resumed>) = 0 [pid 6384] 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 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] close(13 [pid 6381] close(19./strace-static-x86_64: Process 6389 attached [pid 6387] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6383] close(5 [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] set_robust_list(0x7f4e92bc39e0, 24 [pid 6387] <... symlink resumed>) = 0 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] close(14 [pid 6381] close(20 [pid 6380] +++ exited with 0 +++ [pid 6379] +++ exited with 0 +++ [pid 6389] <... set_robust_list resumed>) = 0 [pid 6387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6384] <... clone resumed>, parent_tid=[215], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 215 [pid 6383] close(6 [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] <... openat resumed>) = 3 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] close(15 [pid 6384] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] close(21 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=212, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6387] write(3, "1000", 4 [pid 6384] <... futex resumed>) = 0 [pid 6383] close(7 [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6387] <... write resumed>) = 4 [pid 6384] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] close(16 [pid 6381] close(22 [pid 6389] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6387] close(3 [pid 6383] close(8 [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] <... close resumed>) = 0 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] close(17 [pid 6381] close(23 [pid 6389] <... futex resumed>) = 1 [pid 6387] read(200, [pid 6384] <... futex resumed>) = 0 [pid 6383] close(9 [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6384] close(3 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] close(18 [pid 6381] close(24 [pid 5030] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6387] symlink("/dev/binderfs", "./binderfs" [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(10 [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] <... symlink resumed>) = 0 [pid 6384] close(4 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] close(19 [pid 6381] close(25 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6387] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(11 [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6387] <... futex resumed>) = 0 [pid 6384] close(5 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] close(20 [pid 6381] close(26 [pid 6387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(12 [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... openat resumed>) = 3 [pid 6387] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6384] close(6 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] close(21 [pid 6381] close(27 [pid 6387] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(13 [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] fstat(3, [pid 6387] <... mprotect resumed>) = 0 [pid 6384] close(7 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] close(22 [pid 6381] close(28 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6387] 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 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(14 [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6390 attached [pid 6384] close(8 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] close(23 [pid 6381] close(29 [pid 5030] getdents64(3, [pid 6390] set_robust_list(0x7f4e92bc39e0, 24 [pid 6387] <... clone resumed>, parent_tid=[213], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 213 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(15 [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6390] <... set_robust_list resumed>) = 0 [pid 6387] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] close(9write 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 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] close(24 [pid 6381] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6390] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6387] <... futex resumed>) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(16 [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... write resumed>) = 335 [pid 6390] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6387] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6384] close(10 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6382] close(25 [pid 6390] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(17 [pid 6381] exit_group(0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6390] <... futex resumed>) = 0 [pid 6387] close(3 [pid 6385] <... futex resumed>) = ? [pid 6384] close(11 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... exit_group resumed>) = ? [pid 5030] lstat("./105/binderfs", [pid 6390] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6385] +++ exited with 0 +++ [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(18 [pid 6382] close(26 [pid 6381] +++ exited with 0 +++ [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6387] close(4 [pid 6384] close(12 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5030] unlink("./105/binderfs" [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(19 [pid 6382] close(27 [pid 6387] close(5 [pid 6384] close(13 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(20 [pid 6382] close(28 [pid 5030] umount2("./105/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6387] close(6 [pid 6384] close(14 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(21 [pid 6382] 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 6387] close(7 [pid 6384] close(15 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] lstat("./105/cgroup.net", [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(22 [pid 6382] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6387] close(8 [pid 6384] close(16 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... write resumed>) = 335 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(23 [pid 6382] exit_group(0 [pid 5032] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] unlink("./105/cgroup.net" [pid 6387] close(9 [pid 6386] <... futex resumed>) = ? [pid 6384] close(17 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... exit_group resumed>) = ? [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] +++ exited with 0 +++ [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(24 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... unlink resumed>) = 0 [pid 6387] close(10 [pid 6384] close(18 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] +++ exited with 0 +++ [pid 5032] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(25 [pid 5030] umount2("./105/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6387] close(11 [pid 6384] close(19 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=228, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5032] <... openat resumed>) = 3 [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(26 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6387] close(12 [pid 6384] close(20 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(27 [pid 5033] umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6387] close(13 [pid 6384] close(21 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] fstat(3, [pid 5030] lstat("./105/cgroup.cpu", [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(28 [pid 5033] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6387] 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 6384] close(22 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... openat resumed>) = 3 [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] close(29 [pid 5033] fstat(3, [pid 6387] close(15 [pid 6384] close(23 [pid 6383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] getdents64(3, [pid 5032] getdents64(3, [pid 5030] unlink("./105/cgroup.cpu" [pid 6387] close(16 [pid 6384] close(24 [pid 6383] <... write resumed>) = 335 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] exit_group(0 [pid 5033] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] <... unlink resumed>) = 0 [pid 6388] <... futex resumed>) = ? [pid 6387] close(17 [pid 6384] close(25 [pid 6383] <... exit_group resumed>) = ? [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6388] +++ exited with 0 +++ [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] +++ exited with 0 +++ [pid 5033] lstat("./113/binderfs", [pid 5032] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] umount2("./105/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6387] close(18 [pid 6384] close(26 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./113/binderfs" [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6387] close(19 [pid 6384] close(27 [pid 5033] <... unlink resumed>) = 0 [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./113/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6387] close(20 [pid 6384] close(28 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./113/cgroup.net", [pid 5032] lstat("./110/binderfs", [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=220, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5030] lstat("./105/cgroup", [pid 6387] close(21 [pid 6384] close(29 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./113/cgroup.net" [pid 5031] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6387] 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 6384] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] <... unlink resumed>) = 0 [pid 5032] unlink("./110/binderfs" [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] <... write resumed>) = 335 [pid 5033] umount2("./113/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] unlink("./105/cgroup" [pid 6387] close(23 [pid 6384] exit_group(0 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... unlink resumed>) = 0 [pid 5031] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6389] <... futex resumed>) = ? [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] <... exit_group resumed>) = ? [pid 5033] lstat("./113/cgroup.cpu", [pid 5030] <... unlink resumed>) = 0 [pid 6389] +++ exited with 0 +++ [pid 6387] close(24 [pid 5032] umount2("./110/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... openat resumed>) = 3 [pid 5030] getdents64(3, [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] fstat(3, [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6387] close(25 [pid 5033] unlink("./113/cgroup.cpu" [pid 5032] lstat("./110/cgroup.net", [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] close(3 [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] +++ exited with 0 +++ [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] getdents64(3, [pid 5030] <... close resumed>) = 0 [pid 5032] unlink("./110/cgroup.net" [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] rmdir("./105" [pid 6387] close(26 [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5033] umount2("./113/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... unlink resumed>) = 0 [pid 5031] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... rmdir resumed>) = 0 [pid 5029] restart_syscall(<... resuming interrupted clone ...> [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] umount2("./110/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] mkdir("./106", 0777 [pid 5029] <... restart_syscall resumed>) = 0 [pid 6387] close(27 [pid 5033] lstat("./113/cgroup", [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] lstat("./109/binderfs", [pid 5030] <... mkdir resumed>) = 0 [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] lstat("./110/cgroup.cpu", [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6391 attached [pid 6387] close(28 [pid 5033] unlink("./113/cgroup" [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] unlink("./109/binderfs" [pid 5029] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6391] set_robust_list(0x55555580e6e0, 24 [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5032] unlink("./110/cgroup.cpu" [pid 5031] <... unlink resumed>) = 0 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 214 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6391] <... set_robust_list resumed>) = 0 [pid 6387] close(29 [pid 5033] getdents64(3, [pid 5032] <... unlink resumed>) = 0 [pid 5031] umount2("./109/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6391] chdir("./106" [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] umount2("./110/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... openat resumed>) = 3 [pid 6391] <... chdir resumed>) = 0 [pid 6387] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] close(3 [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 5031] lstat("./109/cgroup.net", [pid 5029] fstat(3, [pid 6391] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6387] <... write resumed>) = 335 [pid 5033] <... close resumed>) = 0 [pid 5032] lstat("./110/cgroup", [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6391] <... prctl resumed>) = 0 [pid 6387] exit_group(0 [pid 5033] rmdir("./113" [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5031] unlink("./109/cgroup.net" [pid 5029] getdents64(3, [pid 6391] setpgid(0, 0 [pid 6390] <... futex resumed>) = ? [pid 6387] <... exit_group resumed>) = ? [pid 5033] <... rmdir resumed>) = 0 [pid 5032] unlink("./110/cgroup" [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6391] <... setpgid resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5031] umount2("./109/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6391] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6390] +++ exited with 0 +++ [pid 5033] mkdir("./114", 0777 [pid 5032] getdents64(3, [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6391] <... symlink resumed>) = 0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] lstat("./109/cgroup.cpu", [pid 5029] lstat("./106/binderfs", [pid 6387] +++ exited with 0 +++ [pid 5033] <... mkdir resumed>) = 0 [pid 6391] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5032] close(3 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6391] <... symlink resumed>) = 0 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5032] <... close resumed>) = 0 [pid 5031] unlink("./109/cgroup.cpu" [pid 5029] unlink("./106/binderfs" [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=212, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6391] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5032] rmdir("./110" [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5028] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6391] <... symlink resumed>) = 0 [pid 5032] <... rmdir resumed>) = 0 [pid 5031] umount2("./109/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] umount2("./106/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6392 attached [pid 6391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5032] mkdir("./111", 0777 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6392] set_robust_list(0x55555580e6e0, 24 [pid 6391] <... openat resumed>) = 3 [pid 5032] <... mkdir resumed>) = 0 [pid 5031] lstat("./109/cgroup", [pid 5029] lstat("./106/cgroup.net", [pid 5028] <... openat resumed>) = 3 [pid 6392] <... set_robust_list resumed>) = 0 [pid 6391] write(3, "1000", 4 [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] fstat(3, ./strace-static-x86_64: Process 6393 attached [pid 6392] chdir("./114" [pid 6391] <... write resumed>) = 4 [pid 5031] unlink("./109/cgroup" [pid 5029] unlink("./106/cgroup.net" [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6393] set_robust_list(0x55555580e6e0, 24 [pid 6392] <... chdir resumed>) = 0 [pid 6391] close(3 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 230 [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 224 [pid 5031] <... unlink resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 5028] getdents64(3, [pid 6393] <... set_robust_list resumed>) = 0 [pid 6392] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6391] <... close resumed>) = 0 [pid 5031] getdents64(3, [pid 5029] umount2("./106/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6393] chdir("./111" [pid 6392] <... prctl resumed>) = 0 [pid 6391] read(200, [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6393] <... chdir resumed>) = 0 [pid 6392] setpgid(0, 0 [pid 6391] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5031] close(3 [pid 5029] lstat("./106/cgroup.cpu", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6393] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6392] <... setpgid resumed>) = 0 [pid 6391] symlink("/dev/binderfs", "./binderfs" [pid 5031] <... close resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] lstat("./105/binderfs", [pid 6393] <... prctl resumed>) = 0 [pid 6392] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6391] <... symlink resumed>) = 0 [pid 5031] rmdir("./109" [pid 5029] unlink("./106/cgroup.cpu" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6393] setpgid(0, 0 [pid 6392] <... symlink resumed>) = 0 [pid 6391] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5031] <... rmdir resumed>) = 0 [pid 6393] <... setpgid resumed>) = 0 [pid 6392] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6391] <... futex resumed>) = 0 [pid 5031] mkdir("./110", 0777 [pid 5029] <... unlink resumed>) = 0 [pid 5028] unlink("./105/binderfs" [pid 6393] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6392] <... symlink resumed>) = 0 [pid 6391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5031] <... mkdir resumed>) = 0 [pid 5029] umount2("./106/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... unlink resumed>) = 0 [pid 6393] <... symlink resumed>) = 0 [pid 6392] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6391] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6393] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6392] <... symlink resumed>) = 0 [pid 6391] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5028] umount2("./105/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6393] <... symlink resumed>) = 0 [pid 6393] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6391] <... mprotect resumed>) = 0 [pid 5029] lstat("./106/cgroup", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6393] <... symlink resumed>) = 0 [pid 6392] <... openat resumed>) = 3 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] lstat("./105/cgroup.net", [pid 6392] write(3, "1000", 4 [pid 6391] 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 6394 attached [pid 6393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6392] <... write resumed>) = 4 [pid 5029] unlink("./106/cgroup" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6395 attached [pid 6394] set_robust_list(0x7f4e92bc39e0, 24 [pid 6393] <... openat resumed>) = 3 [pid 6392] close(3 [pid 6391] <... clone resumed>, parent_tid=[215], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 215 [pid 6394] <... set_robust_list resumed>) = 0 [pid 5028] unlink("./105/cgroup.net" [pid 6394] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6393] write(3, "1000", 4 [pid 6392] <... close resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 6395] set_robust_list(0x55555580e6e0, 24 [pid 6393] <... write resumed>) = 4 [pid 6392] read(200, [pid 6391] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 222 [pid 5028] <... unlink resumed>) = 0 [pid 6395] <... set_robust_list resumed>) = 0 [pid 6394] <... futex resumed>) = 0 [pid 6393] close(3 [pid 6392] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6391] <... futex resumed>) = 1 [pid 5029] getdents64(3, [pid 6395] chdir("./110" [pid 6394] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6393] <... close resumed>) = 0 [pid 6392] symlink("/dev/binderfs", "./binderfs" [pid 6391] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5028] umount2("./105/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6395] <... chdir resumed>) = 0 [pid 6394] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6393] read(200, [pid 6392] <... symlink resumed>) = 0 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6395] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6394] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6392] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] close(3 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6395] <... prctl resumed>) = 0 [pid 6394] <... futex resumed>) = 1 [pid 6393] symlink("/dev/binderfs", "./binderfs" [pid 6392] <... futex resumed>) = 0 [pid 6391] <... futex resumed>) = 0 [pid 5029] <... close resumed>) = 0 [pid 5028] lstat("./105/cgroup.cpu", [pid 6395] setpgid(0, 0 [pid 6394] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6393] <... symlink resumed>) = 0 [pid 6392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6391] close(3 [pid 5029] rmdir("./106" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6395] <... setpgid resumed>) = 0 [pid 6393] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... rmdir resumed>) = 0 [pid 5028] unlink("./105/cgroup.cpu" [pid 6395] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6393] <... futex resumed>) = 0 [pid 6392] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6391] close(4 [pid 5029] mkdir("./107", 0777 [pid 5028] <... unlink resumed>) = 0 [pid 6395] <... symlink resumed>) = 0 [pid 6393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6392] <... mprotect resumed>) = 0 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... mkdir resumed>) = 0 [pid 5028] umount2("./105/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6395] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6393] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6392] 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 6391] close(5 [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 6396 attached [pid 6395] <... symlink resumed>) = 0 [pid 6393] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5028] lstat("./105/cgroup", ./strace-static-x86_64: Process 6397 attached [pid 6396] set_robust_list(0x7f4e92bc39e0, 24 [pid 6395] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6393] <... mprotect resumed>) = 0 [pid 6392] <... clone resumed>, parent_tid=[231], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 231 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 216 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6397] set_robust_list(0x55555580e6e0, 24 [pid 6396] <... set_robust_list resumed>) = 0 [pid 6395] <... symlink resumed>) = 0 [pid 6393] 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 6392] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] close(6 [pid 5028] unlink("./105/cgroup"./strace-static-x86_64: Process 6398 attached [pid 6397] <... set_robust_list resumed>) = 0 [pid 6396] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6392] <... futex resumed>) = 0 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... unlink resumed>) = 0 [pid 6398] set_robust_list(0x7f4e92bc39e0, 24 [pid 6397] chdir("./107" [pid 6396] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6395] <... openat resumed>) = 3 [pid 6393] <... clone resumed>, parent_tid=[225], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 225 [pid 6392] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5028] getdents64(3, [pid 6398] <... set_robust_list resumed>) = 0 [pid 6397] <... chdir resumed>) = 0 [pid 6396] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] write(3, "1000", 4 [pid 6393] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6391] close(7 [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6398] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6397] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6396] <... futex resumed>) = 0 [pid 6395] <... write resumed>) = 4 [pid 6393] <... futex resumed>) = 0 [pid 6392] close(3 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] close(3 [pid 6398] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6397] <... prctl resumed>) = 0 [pid 6396] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6395] close(3 [pid 6393] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(8 [pid 5028] <... close resumed>) = 0 [pid 6398] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] setpgid(0, 0 [pid 6395] <... close resumed>) = 0 [pid 6393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6392] close(4 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] rmdir("./105" [pid 6398] <... futex resumed>) = 0 [pid 6397] <... setpgid resumed>) = 0 [pid 6395] read(200, [pid 6393] close(3 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(9 [pid 5028] <... rmdir resumed>) = 0 [pid 6398] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6397] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6395] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] close(5 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] mkdir("./106", 0777 [pid 6397] <... symlink resumed>) = 0 [pid 6395] symlink("/dev/binderfs", "./binderfs" [pid 6393] close(4 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(10 [pid 5028] <... mkdir resumed>) = 0 [pid 6397] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6395] <... symlink resumed>) = 0 [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] close(6 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6397] <... symlink resumed>) = 0 [pid 6395] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] close(5 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(11./strace-static-x86_64: Process 6399 attached [pid 6397] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6395] <... futex resumed>) = 0 [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] close(7 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] set_robust_list(0x55555580e6e0, 24 [pid 6397] <... symlink resumed>) = 0 [pid 6395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6393] close(6 [pid 6391] close(12 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 214 [pid 6399] <... set_robust_list resumed>) = 0 [pid 6397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6395] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] chdir("./106" [pid 6397] <... openat resumed>) = 3 [pid 6395] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6393] close(7 [pid 6392] close(8 [pid 6391] close(13 [pid 6399] <... chdir resumed>) = 0 [pid 6397] write(3, "1000", 4 [pid 6395] <... mprotect resumed>) = 0 [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6397] <... write resumed>) = 4 [pid 6395] 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 6393] close(8 [pid 6392] close(9 [pid 6391] close(14./strace-static-x86_64: Process 6400 attached [pid 6399] <... prctl resumed>) = 0 [pid 6397] close(3 [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] set_robust_list(0x7f4e92bc39e0, 24 [pid 6399] setpgid(0, 0 [pid 6397] <... close resumed>) = 0 [pid 6395] <... clone resumed>, parent_tid=[223], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 223 [pid 6393] close(9 [pid 6392] close(10 [pid 6391] close(15 [pid 6400] <... set_robust_list resumed>) = 0 [pid 6399] <... setpgid resumed>) = 0 [pid 6397] read(200, [pid 6395] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6399] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6397] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6395] <... futex resumed>) = 0 [pid 6393] close(10 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6399] <... symlink resumed>) = 0 [pid 6397] symlink("/dev/binderfs", "./binderfs" [pid 6395] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] close(11 [pid 6391] close(16 [pid 6400] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6397] <... symlink resumed>) = 0 [pid 6395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6393] close(11 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] <... futex resumed>) = 0 [pid 6399] <... symlink resumed>) = 0 [pid 6397] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] close(3 [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] close(12 [pid 6391] close(17 [pid 6400] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6397] <... futex resumed>) = 0 [pid 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] close(12 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] close(4 [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] <... symlink resumed>) = 0 [pid 6397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] close(13 [pid 6392] close(13 [pid 6391] close(18 [pid 6399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6397] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6395] close(5 [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] close(14 [pid 6399] <... openat resumed>) = 3 [pid 6397] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6395] close(6 [pid 6392] close(14 [pid 6391] close(19 [pid 6399] write(3, "1000", 4 [pid 6397] <... mprotect resumed>) = 0 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] <... write resumed>) = 4 [pid 6397] 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 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] close(15 [pid 6391] close(20./strace-static-x86_64: Process 6401 attached [pid 6399] close(3 [pid 6395] close(7 [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6401] set_robust_list(0x7f4e92bc39e0, 24 [pid 6399] <... close resumed>) = 0 [pid 6397] <... clone resumed>, parent_tid=[217], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 217 [pid 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] close(15 [pid 6392] close(16 [pid 6391] close(21 [pid 6401] <... set_robust_list resumed>) = 0 [pid 6399] read(200, [pid 6397] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] close(8 [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6401] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6399] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6397] <... futex resumed>) = 0 [pid 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] close(16 [pid 6392] close(17 [pid 6391] close(22 [pid 6401] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6399] symlink("/dev/binderfs", "./binderfs" [pid 6397] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6395] close(9 [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6401] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... symlink resumed>) = 0 [pid 6397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6392] close(18 [pid 6391] close(23 [pid 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6401] <... futex resumed>) = 0 [pid 6399] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] close(3 [pid 6395] close(10 [pid 6393] close(17 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6401] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] <... futex resumed>) = 0 [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] close(19 [pid 6391] close(24 [pid 6399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6397] close(4 [pid 6395] close(11 [pid 6393] close(18 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] close(20 [pid 6391] close(25 [pid 6399] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6397] close(5 [pid 6395] close(12 [pid 6393] close(19 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] <... mprotect resumed>) = 0 [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] close(21 [pid 6391] close(26 [pid 6399] 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 6397] close(6 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6402 attached [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] close(22 [pid 6391] close(27 [pid 6402] set_robust_list(0x7f4e92bc39e0, 24 [pid 6399] <... clone resumed>, parent_tid=[215], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 215 [pid 6397] close(7 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6402] <... set_robust_list resumed>) = 0 [pid 6399] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] <... 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 6395] close(13 [pid 6392] close(23 [pid 6391] close(28 [pid 6402] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6399] <... futex resumed>) = 0 [pid 6397] close(8 [pid 6393] close(20 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6402] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6399] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] close(24 [pid 6391] close(29 [pid 6402] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6397] close(9 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6402] <... futex resumed>) = 0 [pid 6399] close(3 [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] close(14 [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] close(25 [pid 6391] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6402] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] close(10 [pid 6393] close(21 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... write resumed>) = 335 [pid 6399] close(4 [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] close(26 [pid 6391] exit_group(0 [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] close(11 [pid 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6394] <... futex resumed>) = ? [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... exit_group resumed>) = ? [pid 6399] close(5 [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] close(15 [pid 6394] +++ exited with 0 +++ [pid 6393] 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 6392] close(27 [pid 6391] +++ exited with 0 +++ [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] close(12 [pid 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] close(6 [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] close(23 [pid 6392] close(28 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] close(13 [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] close(7 [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] close(24 [pid 6392] close(29 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] close(14 [pid 6395] close(16 [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] close(8 [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] close(25 [pid 6392] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] close(15 [pid 6395] close(17 [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] <... write resumed>) = 335 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6399] close(9 [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] close(26 [pid 6392] exit_group(0 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] close(16 [pid 6396] <... futex resumed>) = ? [pid 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] <... exit_group resumed>) = ? [pid 5030] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6399] close(10 [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6396] +++ exited with 0 +++ [pid 6395] close(18 [pid 6393] close(27 [pid 6392] +++ exited with 0 +++ [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] close(17 [pid 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] close(11 [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] close(19 [pid 6393] close(28 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=230, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5030] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] close(18 [pid 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] <... 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 5033] restart_syscall(<... resuming interrupted clone ...> [pid 5030] <... openat resumed>) = 3 [pid 6399] close(12 [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] close(20 [pid 6393] close(29 [pid 5033] <... restart_syscall resumed>) = 0 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] close(19 [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] fstat(3, [pid 6399] close(13 [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] close(20 [pid 6393] <... write resumed>) = 335 [pid 5033] umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6399] close(14 [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] close(21 [pid 6393] exit_group(0 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6398] <... futex resumed>) = ? [pid 6397] close(21 [pid 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] <... exit_group resumed>) = ? [pid 5033] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] getdents64(3, [pid 6399] close(15 [pid 6398] +++ exited with 0 +++ [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] close(22 [pid 5033] <... openat resumed>) = 3 [pid 6393] +++ exited with 0 +++ [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] close(22 [pid 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] fstat(3, [pid 6399] close(16 [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] close(23 [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=224, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] close(23 [pid 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] getdents64(3, [pid 5030] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6399] close(17 [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] close(24 [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] close(24 [pid 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] lstat("./106/binderfs", [pid 6399] close(18 [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] close(25 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] close(25 [pid 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./114/binderfs", [pid 5030] unlink("./106/binderfs" [pid 6399] close(19 [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] close(26 [pid 5030] <... unlink resumed>) = 0 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] close(26 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5032] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] umount2("./106/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] close(20 [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] close(27 [pid 5033] unlink("./114/binderfs" [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] close(27 [pid 5033] <... unlink resumed>) = 0 [pid 5032] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] lstat("./106/cgroup.net", [pid 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] close(21 [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./114/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... openat resumed>) = 3 [pid 6395] close(28 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] unlink("./106/cgroup.net" [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] close(28 [pid 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] fstat(3, [pid 5030] <... 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 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 6399] close(22 [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] close(29 [pid 5033] lstat("./114/cgroup.net", [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] umount2("./106/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] close(29 [pid 6395] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6399] close(23 [pid 5032] getdents64(3, [pid 5030] lstat("./106/cgroup.cpu", [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] unlink("./114/cgroup.net" [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6399] close(24 [pid 5030] unlink("./106/cgroup.cpu") = 0 [pid 5030] umount2("./106/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6397] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6395] <... write resumed>) = 335 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... write resumed>) = 335 [pid 6395] exit_group(0 [pid 5033] <... unlink resumed>) = 0 [pid 5032] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] lstat("./106/cgroup", [pid 6400] <... futex resumed>) = ? [pid 6399] close(25 [pid 6397] exit_group(0 [pid 6395] <... exit_group resumed>) = ? [pid 5033] umount2("./114/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6400] +++ exited with 0 +++ [pid 5030] unlink("./106/cgroup") = 0 [pid 5030] getdents64(3, [pid 6401] <... futex resumed>) = ? [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] <... exit_group resumed>) = ? [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6401] +++ exited with 0 +++ [pid 5030] close(3) = 0 [pid 6399] close(26 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] lstat("./111/binderfs", [pid 5030] rmdir("./106" [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./114/cgroup.cpu", [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] <... rmdir resumed>) = 0 [pid 6399] close(27 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5032] unlink("./111/binderfs" [pid 5030] mkdir("./107", 0777 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] unlink("./114/cgroup.cpu" [pid 5032] <... unlink resumed>) = 0 [pid 5030] <... mkdir resumed>) = 0 [pid 6399] close(28 [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] +++ exited with 0 +++ [pid 6395] +++ exited with 0 +++ [pid 5033] <... unlink resumed>) = 0 [pid 5032] umount2("./111/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6399] close(29 [pid 5033] umount2("./114/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6399] <... 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 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] lstat("./111/cgroup.net", [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- ./strace-static-x86_64: Process 6403 attached [pid 6399] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] lstat("./114/cgroup", [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6403] set_robust_list(0x55555580e6e0, 24 [pid 6399] <... write resumed>) = 335 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] unlink("./111/cgroup.net" [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 216 [pid 6399] exit_group(0 [pid 5033] unlink("./114/cgroup" [pid 5032] <... unlink resumed>) = 0 [pid 6403] <... set_robust_list resumed>) = 0 [pid 6402] <... futex resumed>) = ? [pid 6399] <... exit_group resumed>) = ? [pid 5029] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6403] chdir("./107" [pid 5033] <... unlink resumed>) = 0 [pid 5032] umount2("./111/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6403] <... chdir resumed>) = 0 [pid 6402] +++ exited with 0 +++ [pid 6399] +++ exited with 0 +++ [pid 5033] getdents64(3, [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6403] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] lstat("./111/cgroup.cpu", [pid 5031] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... openat resumed>) = 3 [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6403] <... prctl resumed>) = 0 [pid 5033] close(3 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] <... openat resumed>) = 3 [pid 5029] fstat(3, [pid 5028] restart_syscall(<... resuming interrupted clone ...> [pid 6403] setpgid(0, 0 [pid 5033] <... close resumed>) = 0 [pid 5032] unlink("./111/cgroup.cpu" [pid 5031] fstat(3, [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5028] <... restart_syscall resumed>) = 0 [pid 6403] <... setpgid resumed>) = 0 [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5029] getdents64(3, [pid 6403] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5033] rmdir("./114" [pid 5032] <... unlink resumed>) = 0 [pid 5031] getdents64(3, [pid 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6403] <... symlink resumed>) = 0 [pid 5033] <... rmdir resumed>) = 0 [pid 5032] umount2("./111/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5029] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6403] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5033] mkdir("./115", 0777 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6403] <... symlink resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./107/binderfs", [pid 5028] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6403] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5031] lstat("./110/binderfs", [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] <... openat resumed>) = 3 [pid 6403] <... symlink resumed>) = 0 [pid 5033] <... mkdir resumed>) = 0 [pid 5032] lstat("./111/cgroup", [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] unlink("./107/binderfs" [pid 5028] fstat(3, [pid 6403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [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=23, ...}) = 0 [pid 5031] unlink("./110/binderfs" [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6403] <... openat resumed>) = 3 [pid 5031] <... unlink resumed>) = 0 [pid 5029] umount2("./107/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] getdents64(3, [pid 6403] write(3, "1000", 4 [pid 5031] umount2("./110/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6403] <... write resumed>) = 4 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./107/cgroup.net", [pid 5028] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6404 attached [pid 6403] close(3 [pid 5032] unlink("./111/cgroup" [pid 5031] lstat("./110/cgroup.net", [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6404] set_robust_list(0x55555580e6e0, 24 [pid 6403] <... close resumed>) = 0 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 232 [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] unlink("./107/cgroup.net" [pid 5028] lstat("./106/binderfs", [pid 6404] <... set_robust_list resumed>) = 0 [pid 6403] read(200, [pid 5032] getdents64(3, [pid 5031] unlink("./110/cgroup.net" [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6404] chdir("./115" [pid 6403] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5029] umount2("./107/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./106/binderfs" [pid 6404] <... chdir resumed>) = 0 [pid 6403] symlink("/dev/binderfs", "./binderfs" [pid 5032] close(3 [pid 5031] umount2("./110/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 6404] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6403] <... symlink resumed>) = 0 [pid 5032] <... close resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./107/cgroup.cpu", [pid 5028] umount2("./106/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6404] <... prctl resumed>) = 0 [pid 6403] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] rmdir("./111" [pid 5031] lstat("./110/cgroup.cpu", [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6404] setpgid(0, 0 [pid 6403] <... futex resumed>) = 0 [pid 5032] <... rmdir resumed>) = 0 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5029] unlink("./107/cgroup.cpu" [pid 5028] lstat("./106/cgroup.net", [pid 6404] <... setpgid resumed>) = 0 [pid 6403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5032] mkdir("./112", 0777 [pid 5031] unlink("./110/cgroup.cpu" [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6404] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6403] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5032] <... mkdir resumed>) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5029] umount2("./107/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./106/cgroup.net" [pid 6404] <... symlink resumed>) = 0 [pid 6403] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] umount2("./110/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlink resumed>) = 0 [pid 6404] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6403] <... mprotect resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] lstat("./107/cgroup", [pid 5028] umount2("./106/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6405 attached [pid 6404] <... symlink resumed>) = 0 [pid 6403] 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 5031] lstat("./110/cgroup", [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6406 attached [pid 6405] set_robust_list(0x55555580e6e0, 24 [pid 6404] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 226 [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] unlink("./107/cgroup" [pid 5028] lstat("./106/cgroup.cpu", [pid 6406] set_robust_list(0x7f4e92bc39e0, 24 [pid 6405] <... set_robust_list resumed>) = 0 [pid 6404] <... symlink resumed>) = 0 [pid 6403] <... clone resumed>, parent_tid=[217], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 217 [pid 5031] unlink("./110/cgroup" [pid 5029] <... unlink resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6406] <... set_robust_list resumed>) = 0 [pid 6405] chdir("./112" [pid 6404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6403] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5031] <... unlink resumed>) = 0 [pid 5029] getdents64(3, [pid 5028] unlink("./106/cgroup.cpu" [pid 6406] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6405] <... chdir resumed>) = 0 [pid 6404] <... openat resumed>) = 3 [pid 6403] <... futex resumed>) = 0 [pid 5031] getdents64(3, [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6406] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6405] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6404] write(3, "1000", 4 [pid 6403] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] close(3 [pid 5028] umount2("./106/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6406] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] <... prctl resumed>) = 0 [pid 6404] <... write resumed>) = 4 [pid 6403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5031] close(3 [pid 5029] <... close resumed>) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6406] <... futex resumed>) = 0 [pid 6405] setpgid(0, 0 [pid 6404] close(3 [pid 6403] close(3 [pid 5031] <... close resumed>) = 0 [pid 5029] rmdir("./107" [pid 5028] lstat("./106/cgroup", [pid 6406] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] <... setpgid resumed>) = 0 [pid 6404] <... close resumed>) = 0 [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] rmdir("./110" [pid 5029] <... rmdir resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6405] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6404] read(200, [pid 6403] close(4 [pid 5031] <... rmdir resumed>) = 0 [pid 5029] mkdir("./108", 0777 [pid 5028] unlink("./106/cgroup" [pid 6405] <... symlink resumed>) = 0 [pid 6404] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] mkdir("./111", 0777 [pid 5029] <... mkdir resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 6405] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6404] symlink("/dev/binderfs", "./binderfs" [pid 6403] close(5 [pid 5031] <... mkdir resumed>) = 0 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] getdents64(3, ./strace-static-x86_64: Process 6407 attached [pid 6405] <... symlink resumed>) = 0 [pid 6404] <... symlink resumed>) = 0 [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6408 attached [pid 6407] set_robust_list(0x55555580e6e0, 24 [pid 6405] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6404] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] close(6 [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 218 [pid 5028] close(3 [pid 6408] set_robust_list(0x55555580e6e0, 24 [pid 6407] <... set_robust_list resumed>) = 0 [pid 6405] <... symlink resumed>) = 0 [pid 6404] <... futex resumed>) = 0 [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 224 [pid 5028] <... close resumed>) = 0 [pid 6408] <... set_robust_list resumed>) = 0 [pid 6407] chdir("./108" [pid 6405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6403] close(7 [pid 5028] rmdir("./106" [pid 6408] chdir("./111" [pid 6407] <... chdir resumed>) = 0 [pid 6405] <... openat resumed>) = 3 [pid 6404] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... rmdir resumed>) = 0 [pid 6408] <... chdir resumed>) = 0 [pid 6407] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6405] write(3, "1000", 4 [pid 6404] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6403] close(8 [pid 5028] mkdir("./107", 0777 [pid 6408] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6407] <... prctl resumed>) = 0 [pid 6405] <... write resumed>) = 4 [pid 6404] <... mprotect resumed>) = 0 [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... mkdir resumed>) = 0 [pid 6408] <... prctl resumed>) = 0 [pid 6407] setpgid(0, 0 [pid 6405] close(3 [pid 6404] 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 6403] close(9 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6409 attached [pid 6408] setpgid(0, 0 [pid 6407] <... setpgid resumed>) = 0 [pid 6405] <... close resumed>) = 0 [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6410 attached [pid 6409] set_robust_list(0x7f4e92bc39e0, 24 [pid 6408] <... setpgid resumed>) = 0 [pid 6407] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6405] read(200, [pid 6404] <... clone resumed>, parent_tid=[233], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 233 [pid 6403] close(10 [pid 6410] set_robust_list(0x55555580e6e0, 24 [pid 6409] <... set_robust_list resumed>) = 0 [pid 6408] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6407] <... symlink resumed>) = 0 [pid 6405] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6404] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 216 [pid 6410] <... set_robust_list resumed>) = 0 [pid 6409] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6408] <... symlink resumed>) = 0 [pid 6407] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6405] symlink("/dev/binderfs", "./binderfs" [pid 6404] <... futex resumed>) = 0 [pid 6403] close(11 [pid 6410] chdir("./107" [pid 6409] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6408] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6407] <... symlink resumed>) = 0 [pid 6405] <... symlink resumed>) = 0 [pid 6404] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] <... chdir resumed>) = 0 [pid 6409] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] <... symlink resumed>) = 0 [pid 6407] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6405] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6403] close(12 [pid 6410] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6409] <... futex resumed>) = 0 [pid 6408] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6407] <... symlink resumed>) = 0 [pid 6405] <... futex resumed>) = 0 [pid 6404] close(3 [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] <... prctl resumed>) = 0 [pid 6409] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6408] <... symlink resumed>) = 0 [pid 6407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6403] close(13 [pid 6410] setpgid(0, 0 [pid 6408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6407] <... openat resumed>) = 3 [pid 6405] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6404] close(4 [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] <... setpgid resumed>) = 0 [pid 6408] <... openat resumed>) = 3 [pid 6407] write(3, "1000", 4 [pid 6405] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6403] close(14 [pid 6410] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6408] write(3, "1000", 4 [pid 6407] <... write resumed>) = 4 [pid 6405] <... mprotect resumed>) = 0 [pid 6404] close(5 [pid 6410] <... symlink resumed>) = 0 [pid 6408] <... write resumed>) = 4 [pid 6407] close(3 [pid 6405] 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 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6408] close(3 [pid 6407] <... close resumed>) = 0 ./strace-static-x86_64: Process 6411 attached [pid 6410] <... symlink resumed>) = 0 [pid 6404] close(6 [pid 6403] close(15 [pid 6411] set_robust_list(0x7f4e92bc39e0, 24 [pid 6410] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6408] <... close resumed>) = 0 [pid 6407] read(200, [pid 6405] <... clone resumed>, parent_tid=[227], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 227 [pid 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6411] <... set_robust_list resumed>) = 0 [pid 6410] <... symlink resumed>) = 0 [pid 6408] read(200, [pid 6407] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6405] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] close(7 [pid 6403] close(16 [pid 6411] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6411] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6410] <... openat resumed>) = 3 [pid 6411] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] write(3, "1000", 4 [pid 6408] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6411] <... futex resumed>) = 0 [pid 6410] <... write resumed>) = 4 [pid 6407] symlink("/dev/binderfs", "./binderfs" [pid 6405] <... futex resumed>) = 0 [pid 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6411] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6410] close(3 [pid 6408] symlink("/dev/binderfs", "./binderfs" [pid 6407] <... symlink resumed>) = 0 [pid 6403] close(17 [pid 6410] <... close resumed>) = 0 [pid 6405] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6404] close(8 [pid 6410] read(200, [pid 6408] <... symlink resumed>) = 0 [pid 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6408] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6404] close(9 [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6410] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4e92ba3000 [pid 6408] <... futex resumed>) = 0 [pid 6405] close(3 [pid 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6403] close(18 [pid 6407] <... futex resumed>) = 0 [pid 6410] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6410] <... mprotect resumed>) = 0 [pid 6407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] close(10 [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] 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 6408] <... mmap resumed>) = 0x7f4e92ba3000 ./strace-static-x86_64: Process 6412 attached [pid 6408] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6407] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6405] close(4 [pid 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6403] close(19 [pid 6412] set_robust_list(0x7f4e92bc39e0, 24 [pid 6410] <... clone resumed>, parent_tid=[217], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 217 [pid 6412] <... set_robust_list resumed>) = 0 [pid 6410] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] <... mprotect resumed>) = 0 [pid 6407] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] close(11 [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6410] <... futex resumed>) = 0 [pid 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6403] close(20 [pid 6412] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6410] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6412] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6412] <... futex resumed>) = 0 [pid 6410] close(3 [pid 6412] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] close(4 [pid 6405] close(5 [pid 6408] 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 6404] close(12 [pid 6403] close(21 [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6413 attached [pid 6410] close(5 [pid 6405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] close(13 [pid 6403] close(22 [pid 6413] set_robust_list(0x7f4e92bc39e0, 24 [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6407] <... mprotect resumed>) = 0 [pid 6413] <... set_robust_list resumed>) = 0 [pid 6410] close(6 [pid 6408] <... clone resumed>, parent_tid=[225], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 225 [pid 6405] close(6 [pid 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6413] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6408] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] 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 6405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] close(14 [pid 6403] close(23 [pid 6413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6410] close(7 [pid 6408] <... futex resumed>) = 0 [pid 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6414 attached [pid 6413] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6408] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6405] close(7 [pid 6404] close(15 [pid 6403] close(24 [pid 6414] set_robust_list(0x7f4e92bc39e0, 24 [pid 6413] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6410] close(8 [pid 6414] <... set_robust_list resumed>) = 0 [pid 6413] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6413] <... futex resumed>) = 0 [pid 6410] close(9 [pid 6408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6407] <... clone resumed>, parent_tid=[219], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 219 [pid 6413] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] close(8 [pid 6408] close(3 [pid 6404] close(16 [pid 6403] close(25 [pid 6410] close(10 [pid 6408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6407] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] <... futex resumed>) = 0 [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6408] close(4 [pid 6407] <... futex resumed>) = 1 [pid 6405] close(9 [pid 6404] close(17 [pid 6403] close(26 [pid 6414] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6410] close(11 [pid 6414] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6407] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] close(12 [pid 6408] close(5 [pid 6407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6414] <... futex resumed>) = 0 [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] close(10 [pid 6404] close(18 [pid 6403] close(27 [pid 6414] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6410] close(13 [pid 6408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6407] close(3 [pid 6405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] close(14 [pid 6408] close(6 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] close(11 [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6407] close(4 [pid 6405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] close(19 [pid 6403] close(28 [pid 6410] close(15 [pid 6408] close(7 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] close(12 [pid 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] <... 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 6410] close(16 [pid 6408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6407] close(5 [pid 6405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] close(20 [pid 6403] close(29 [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6408] close(8 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] close(13 [pid 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] close(17) = -1 EBADF (Bad file descriptor) [pid 6408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] close(21 [pid 6403] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] close(18 [pid 6407] close(6 [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6408] close(9 [pid 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6403] <... write resumed>) = 335 [pid 6410] close(19 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] close(14 [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] close(20) = -1 EBADF (Bad file descriptor) [pid 6410] close(21) = -1 EBADF (Bad file descriptor) [pid 6410] close(22 [pid 6404] close(22 [pid 6403] exit_group(0 [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6407] close(7 [pid 6406] <... futex resumed>) = ? [pid 6405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6403] <... exit_group resumed>) = ? [pid 6410] close(23) = -1 EBADF (Bad file descriptor) [pid 6408] close(10 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] +++ exited with 0 +++ [pid 6405] close(15 [pid 6404] close(23 [pid 6410] close(24 [pid 6408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6407] close(8 [pid 6405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6403] +++ exited with 0 +++ [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6408] close(11 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] close(16 [pid 6404] close(24 [pid 6410] close(25 [pid 6408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6407] close(9 [pid 6405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6408] close(12 [pid 6405] close(17 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] close(26 [pid 6404] close(25 [pid 5030] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6407] close(10 [pid 6405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] close(27) = -1 EBADF (Bad file descriptor) [pid 6410] close(28) = -1 EBADF (Bad file descriptor) [pid 6410] 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 6408] close(13 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] close(18 [pid 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6408] close(14 [pid 6407] close(11 [pid 6410] <... write resumed>) = 335 [pid 6408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] close(26 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6410] exit_group(0 [pid 6408] close(15 [pid 6407] close(12 [pid 6405] close(19 [pid 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6412] <... futex resumed>) = ? [pid 6410] <... exit_group resumed>) = ? [pid 6408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] close(27 [pid 5030] <... openat resumed>) = 3 [pid 6412] +++ exited with 0 +++ [pid 6407] close(13 [pid 6405] close(20 [pid 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] fstat(3, [pid 6408] close(16 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] close(28 [pid 5030] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6407] close(14 [pid 6405] close(21 [pid 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] getdents64(3, [pid 6408] close(17 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] <... 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 6404] close(29 [pid 5030] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 6410] +++ exited with 0 +++ [pid 6408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6407] close(15 [pid 6405] close(22 [pid 6404] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6407] close(16 [pid 6405] close(23 [pid 6404] <... write resumed>) = 335 [pid 5030] lstat("./107/binderfs", [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] exit_group(0 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6409] <... futex resumed>) = ? [pid 6407] close(17 [pid 6405] close(24 [pid 6404] <... exit_group resumed>) = ? [pid 5030] unlink("./107/binderfs" [pid 6409] +++ exited with 0 +++ [pid 6408] close(18 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] +++ exited with 0 +++ [pid 5030] <... unlink resumed>) = 0 [pid 6408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6407] close(18 [pid 6405] close(25 [pid 5030] umount2("./107/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6408] close(19) = -1 EBADF (Bad file descriptor) [pid 6408] close(20) = -1 EBADF (Bad file descriptor) [pid 6408] close(21) = -1 EBADF (Bad file descriptor) [pid 6408] close(22) = -1 EBADF (Bad file descriptor) [pid 6408] close(23) = -1 EBADF (Bad file descriptor) [pid 6408] close(24) = -1 EBADF (Bad file descriptor) [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6408] close(25 [pid 6405] <... 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 5030] lstat("./107/cgroup.net", [pid 5028] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] close(26 [pid 5033] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=232, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6408] close(26) = -1 EBADF (Bad file descriptor) [pid 6408] close(27 [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6407] close(19 [pid 6405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6408] close(28) = -1 EBADF (Bad file descriptor) [pid 6408] close(29) = -1 EBADF (Bad file descriptor) [pid 5030] unlink("./107/cgroup.net" [pid 6408] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 6405] close(27 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5028] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6408] <... write resumed>) = 335 [pid 6407] close(20 [pid 6405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 6408] exit_group(0 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] close(28 [pid 5030] umount2("./107/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] <... openat resumed>) = 3 [pid 6413] <... futex resumed>) = ? [pid 6408] <... exit_group resumed>) = ? [ 286.673096][ T5015] Bluetooth: hci4: command 0x0406 tx timeout [ 286.680023][ T5012] Bluetooth: hci0: command 0x0406 tx timeout [ 286.686630][ T46] Bluetooth: hci2: command 0x0406 tx timeout [ 286.686885][ T5014] Bluetooth: hci1: command 0x0406 tx timeout [ 286.692785][ T46] Bluetooth: hci3: command 0x0406 tx timeout [ 286.692882][ T46] Bluetooth: hci5: command 0x0406 tx timeout [pid 6413] +++ exited with 0 +++ [pid 6408] +++ exited with 0 +++ [pid 6407] close(21 [pid 6405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] fstat(3, [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] close(29 [pid 5031] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=224, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5030] lstat("./107/cgroup.cpu", [pid 5028] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6405] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6407] close(22) = -1 EBADF (Bad file descriptor) [pid 6405] 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 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] unlink("./107/cgroup.cpu" [pid 5028] getdents64(3, [pid 6407] close(23 [pid 6405] <... write resumed>) = 335 [pid 5033] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5031] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5030] <... unlink resumed>) = 0 [pid 5028] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5033] <... openat resumed>) = 3 [pid 6407] close(24 [pid 6405] exit_group(0 [pid 5033] fstat(3, [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] umount2("./107/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6411] <... futex resumed>) = ? [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] <... exit_group resumed>) = ? [pid 5033] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5030] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6411] +++ exited with 0 +++ [pid 6407] close(25 [pid 5033] getdents64(3, [pid 5031] <... openat resumed>) = 3 [pid 5030] lstat("./107/cgroup", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] +++ exited with 0 +++ [pid 5033] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] fstat(3, [pid 5030] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6407] close(26 [pid 5030] unlink("./107/cgroup" [pid 5028] lstat("./107/binderfs", [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5030] <... unlink resumed>) = 0 [pid 6407] close(27 [pid 5030] getdents64(3, [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] lstat("./115/binderfs", [pid 5032] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=226, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5031] getdents64(3, [pid 5030] close(3 [pid 5028] unlink("./107/binderfs" [pid 6407] close(28 [pid 5030] <... close resumed>) = 0 [pid 5030] rmdir("./107" [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5030] <... rmdir resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5032] restart_syscall(<... resuming interrupted clone ...> [pid 5030] mkdir("./108", 0777 [pid 6407] close(29 [pid 5033] unlink("./115/binderfs" [pid 5031] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... mkdir resumed>) = 0 [pid 5028] umount2("./107/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... restart_syscall resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDwrite 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 6415 attached [pid 6407] write(1, "write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory\nwrite to /"..., 335 [pid 5033] umount2("./115/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] lstat("./111/binderfs", [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6407] <... write resumed>) = 335 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] <... clone resumed>, child_tidptr=0x55555580e6d0) = 218 [pid 6415] set_robust_list(0x55555580e6e0, 24 [pid 5033] lstat("./115/cgroup.net", [pid 5028] lstat("./107/cgroup.net", [pid 6407] exit_group(0 [pid 5033] <... 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 6414] <... futex resumed>) = ? [pid 6407] <... exit_group resumed>) = ? [pid 5032] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] unlink("./111/binderfs" [pid 5028] unlink("./107/cgroup.net" [pid 6415] <... set_robust_list resumed>) = 0 [pid 5031] <... unlink resumed>) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5033] unlink("./115/cgroup.net" [pid 5028] <... unlink resumed>) = 0 [pid 6415] chdir("./108" [pid 5032] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... openat resumed>) = 3 [pid 5031] umount2("./111/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] umount2("./107/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6415] <... chdir resumed>) = 0 [pid 5033] umount2("./115/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] fstat(3, [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 5031] lstat("./111/cgroup.net", [pid 5028] lstat("./107/cgroup.cpu", [pid 6415] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5032] getdents64(3, [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] unlink("./111/cgroup.net" [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6415] <... prctl resumed>) = 0 [pid 5033] lstat("./115/cgroup.cpu", [pid 5031] <... unlink resumed>) = 0 [pid 5028] unlink("./107/cgroup.cpu" [pid 6415] setpgid(0, 0 [pid 5031] umount2("./111/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6415] <... setpgid resumed>) = 0 [pid 5028] <... unlink resumed>) = 0 [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6415] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5031] lstat("./111/cgroup.cpu", [pid 5028] umount2("./107/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [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 5028] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6415] <... symlink resumed>) = 0 [pid 5033] unlink("./115/cgroup.cpu" [pid 5032] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5031] unlink("./111/cgroup.cpu" [pid 5028] lstat("./107/cgroup", [pid 5033] <... unlink resumed>) = 0 [pid 6415] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6414] +++ exited with 0 +++ [pid 6407] +++ exited with 0 +++ [pid 5033] umount2("./115/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5032] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... unlink resumed>) = 0 [pid 5028] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6415] <... symlink resumed>) = 0 [pid 5033] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] umount2("./111/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] unlink("./107/cgroup" [pid 6415] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5033] lstat("./115/cgroup", [pid 5032] lstat("./112/binderfs", [pid 5031] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5028] <... unlink resumed>) = 0 [pid 6415] <... symlink resumed>) = 0 [pid 5033] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5031] lstat("./111/cgroup", [pid 5028] getdents64(3, [pid 6415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5033] unlink("./115/cgroup" [pid 5032] unlink("./112/binderfs" [pid 5031] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] restart_syscall(<... resuming interrupted clone ...> [pid 5028] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6415] <... openat resumed>) = 3 [pid 5033] <... unlink resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5031] unlink("./111/cgroup" [pid 5029] <... restart_syscall resumed>) = 0 [pid 5028] close(3 [pid 6415] write(3, "1000", 4 [pid 5033] getdents64(3, [pid 5032] umount2("./112/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... unlink resumed>) = 0 [pid 5028] <... close resumed>) = 0 [pid 6415] <... write resumed>) = 4 [pid 5033] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] getdents64(3, [pid 5028] rmdir("./107" [pid 6415] close(3 [pid 5033] close(3 [pid 5032] lstat("./112/cgroup.net", [pid 5031] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5028] <... rmdir resumed>) = 0 [pid 6415] <... close resumed>) = 0 [pid 5033] <... close resumed>) = 0 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5031] close(3 [pid 5028] mkdir("./108", 0777 [pid 6415] read(200, [pid 5033] rmdir("./115" [pid 5032] unlink("./112/cgroup.net" [pid 5031] <... close resumed>) = 0 [pid 5029] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5028] <... mkdir resumed>) = 0 [pid 6415] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5033] <... rmdir resumed>) = 0 [pid 5029] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6415] symlink("/dev/binderfs", "./binderfs" [pid 5033] mkdir("./116", 0777 [pid 5032] <... unlink resumed>) = 0 [pid 5031] rmdir("./111" [pid 5029] <... openat resumed>) = 3 [pid 5028] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6415] <... symlink resumed>) = 0 [pid 5033] <... mkdir resumed>) = 0 [pid 5032] umount2("./112/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... rmdir resumed>) = 0 [pid 5029] fstat(3, [pid 6415] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5032] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] mkdir("./112", 0777./strace-static-x86_64: Process 6416 attached [pid 6415] <... futex resumed>) = 0 [pid 5032] lstat("./112/cgroup.cpu", [pid 5031] <... mkdir resumed>) = 0 [pid 5029] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}) = 0 [pid 6416] set_robust_list(0x55555580e6e0, 24 [pid 5029] getdents64(3, ./strace-static-x86_64: Process 6417 attached [pid 6416] <... set_robust_list resumed>) = 0 [pid 6415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5033] <... clone resumed>, child_tidptr=0x55555580e6d0) = 234 [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 5029] <... getdents64 resumed>0x555555810850 /* 6 entries */, 32768) = 176 [pid 5028] <... clone resumed>, child_tidptr=0x55555580e6d0) = 218 [pid 6417] set_robust_list(0x55555580e6e0, 24 [pid 6416] chdir("./108" [pid 6415] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5032] unlink("./112/cgroup.cpu" [pid 5029] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6417] <... set_robust_list resumed>) = 0 [pid 6416] <... chdir resumed>) = 0 [pid 6415] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5032] <... unlink resumed>) = 0 [pid 5031] <... clone resumed>, child_tidptr=0x55555580e6d0) = 226 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6417] chdir("./116" [pid 6416] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6415] <... mprotect resumed>) = 0 [pid 5032] umount2("./112/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] lstat("./108/binderfs", [pid 6417] <... chdir resumed>) = 0 [pid 6416] <... prctl resumed>) = 0 [pid 6415] 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 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6417] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6416] setpgid(0, 0 [pid 5032] lstat("./112/cgroup", [pid 5029] unlink("./108/binderfs" [pid 6417] <... prctl resumed>) = 0 [pid 6416] <... setpgid resumed>) = 0 [pid 6415] <... clone resumed>, parent_tid=[219], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 219 [pid 5032] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 6417] setpgid(0, 0 [ 286.960225][ T5074] ===================================================== [ 286.967489][ T5074] BUG: KMSAN: uninit-value in preempt_count_add+0x1b8/0x320 [ 286.975022][ T5074] preempt_count_add+0x1b8/0x320 [ 286.980209][ T5074] sysvec_reschedule_ipi+0x20/0x120 [ 286.985702][ T5074] asm_sysvec_reschedule_ipi+0x1f/0x30 [ 286.991488][ T5074] ip_fast_csum+0x30e/0x5f0 [ 286.996310][ T5074] nsim_dev_trap_report_work+0x920/0x11f0 [ 287.002329][ T5074] process_one_work+0xe73/0x18d0 [pid 6416] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6415] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] unlink("./112/cgroup" [pid 5029] umount2("./108/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6417] <... setpgid resumed>) = 0 [pid 6416] <... symlink resumed>) = 0 [pid 6415] <... futex resumed>) = 0 [pid 5032] <... unlink resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6417] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6416] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6415] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5032] getdents64(3, [pid 5029] lstat("./108/cgroup.net", [pid 6417] <... symlink resumed>) = 0 [pid 6416] <... symlink resumed>) = 0 [pid 5032] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6417] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6416] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5032] close(3 [ 287.007511][ T5074] worker_thread+0x10fc/0x2230 [ 287.012523][ T5074] kthread+0x3c7/0x500 [ 287.016800][ T5074] ret_from_fork+0x1f/0x30 [ 287.021411][ T5074] [ 287.023828][ T5074] Uninit was created at: [ 287.028313][ T5074] slab_post_alloc_hook+0x271/0xf70 [ 287.033712][ T5074] kmem_cache_alloc_node+0x6a0/0xca0 [ 287.039206][ T5074] __alloc_skb+0x323/0xad0 [ 287.043891][ T5074] nsim_dev_trap_report_work+0x420/0x11f0 [ 287.049860][ T5074] process_one_work+0xe73/0x18d0 [ 287.055047][ T5074] worker_thread+0x10fc/0x2230 [pid 5029] unlink("./108/cgroup.net" [pid 6417] <... symlink resumed>) = 0 [pid 6416] <... symlink resumed>) = 0 [pid 5032] <... close resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 6417] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5032] rmdir("./112" [pid 5029] umount2("./108/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6417] <... symlink resumed>) = 0 [pid 6416] <... openat resumed>) = 3 [pid 5032] <... rmdir resumed>) = 0 [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6416] write(3, "1000", 4 [pid 5032] mkdir("./113", 0777 [pid 5029] lstat("./108/cgroup.cpu", [pid 6417] <... openat resumed>) = 3 [pid 6416] <... write resumed>) = 4 [pid 5032] <... mkdir resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6417] write(3, "1000", 4 [pid 6416] close(3 [pid 6415] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5032] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5029] unlink("./108/cgroup.cpu"./strace-static-x86_64: Process 6420 attached [pid 6417] <... write resumed>) = 4 [ 287.060084][ T5074] kthread+0x3c7/0x500 [ 287.064378][ T5074] ret_from_fork+0x1f/0x30 [ 287.069015][ T5074] [ 287.071459][ T5074] CPU: 0 PID: 5074 Comm: kworker/0:5 Not tainted 6.2.0-rc8-syzkaller-80994-gda13c00eebfb #0 [ 287.081721][ T5074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 287.091980][ T5074] Workqueue: events nsim_dev_trap_report_work [ 287.098282][ T5074] ===================================================== [pid 6416] <... close resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 6420] set_robust_list(0x55555580e6e0, 24 [pid 6417] close(3 [pid 6416] read(200, [pid 5032] <... clone resumed>, child_tidptr=0x55555580e6d0) = 228 [pid 5029] umount2("./108/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6420] <... set_robust_list resumed>) = 0 [pid 6417] <... close resumed>) = 0 [pid 6416] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5029] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6420] chdir("./113" [pid 6417] read(200, [pid 6416] symlink("/dev/binderfs", "./binderfs" [pid 5029] lstat("./108/cgroup", [pid 6420] <... chdir resumed>) = 0 [pid 6417] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6416] <... symlink resumed>) = 0 [pid 5029] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6420] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6417] symlink("/dev/binderfs", "./binderfs" [ 287.105344][ T5074] Disabling lock debugging due to kernel taint [ 287.111629][ T5074] Kernel panic - not syncing: kmsan.panic set ... [ 287.118186][ T5074] CPU: 0 PID: 5074 Comm: kworker/0:5 Tainted: G B 6.2.0-rc8-syzkaller-80994-gda13c00eebfb #0 [ 287.129943][ T5074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 287.140180][ T5074] Workqueue: events nsim_dev_trap_report_work [ 287.146486][ T5074] Call Trace: [ 287.149889][ T5074] [ 287.152937][ T5074] dump_stack_lvl+0x200/0x290 [pid 6416] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] unlink("./108/cgroup" [pid 6420] <... prctl resumed>) = 0 [pid 6417] <... symlink resumed>) = 0 [pid 6416] <... futex resumed>) = 0 [pid 5029] <... unlink resumed>) = 0 [pid 6420] setpgid(0, 0 [pid 6417] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5029] getdents64(3, [pid 6420] <... setpgid resumed>) = 0 [pid 6417] <... futex resumed>) = 0 [pid 6416] <... mmap resumed>) = 0x7f4e92ba3000 [pid 5029] <... getdents64 resumed>0x555555810850 /* 0 entries */, 32768) = 0 [pid 6420] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6416] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 5029] close(3 [pid 6420] <... symlink resumed>) = 0 [pid 6417] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6416] <... mprotect resumed>) = 0 [ 287.157853][ T5074] dump_stack+0x29/0x30 [ 287.162223][ T5074] panic+0x4fd/0xc70 [ 287.166339][ T5074] ? add_taint+0x185/0x210 [ 287.170942][ T5074] kmsan_report+0x2d0/0x2d0 [ 287.175683][ T5074] ? __msan_warning+0x96/0x110 [ 287.180675][ T5074] ? preempt_count_add+0x1b8/0x320 [ 287.186023][ T5074] ? sysvec_reschedule_ipi+0x20/0x120 [ 287.191640][ T5074] ? asm_sysvec_reschedule_ipi+0x1f/0x30 [ 287.197526][ T5074] ? ip_fast_csum+0x30e/0x5f0 [ 287.202438][ T5074] ? nsim_dev_trap_report_work+0x920/0x11f0 [pid 5029] <... close resumed>) = 0 [pid 6420] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6417] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6416] 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 5029] rmdir("./108"./strace-static-x86_64: Process 6421 attached [pid 6420] <... symlink resumed>) = 0 [pid 6417] <... mprotect resumed>) = 0 [pid 5029] <... rmdir resumed>) = 0 [pid 6421] set_robust_list(0x7f4e92bc39e0, 24 [pid 6420] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6417] 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 6416] <... clone resumed>, parent_tid=[219], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 219 [pid 5029] mkdir("./109", 0777 [pid 6421] <... set_robust_list resumed>) = 0 [pid 6420] <... symlink resumed>) = 0 [pid 6416] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] <... mkdir resumed>) = 0 [pid 6421] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 6420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6417] <... clone resumed>, parent_tid=[235], tls=0x7f4e92bc3700, child_tidptr=0x7f4e92bc39d0) = 235 [ 287.208557][ T5074] ? process_one_work+0xe73/0x18d0 [ 287.213910][ T5074] ? worker_thread+0x10fc/0x2230 [ 287.219104][ T5074] ? kthread+0x3c7/0x500 [ 287.223557][ T5074] ? ret_from_fork+0x1f/0x30 [ 287.228383][ T5074] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 287.234445][ T5074] ? kmsan_internal_memmove_metadata+0x9a/0x360 [ 287.240942][ T5074] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 287.247440][ T5074] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 287.253753][ T5074] ? debug_smp_processor_id+0x1b/0x20 [pid 6416] <... futex resumed>) = 0 [pid 5029] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6423 attached [pid 6421] <... socketpair resumed>NULL) = -1 EFAULT (Bad address) [pid 6420] <... openat resumed>) = 3 [pid 6417] futex(0x7f4e928f0028, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6423] set_robust_list(0x55555580e6e0, 24 [pid 6421] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] write(3, "1000", 4 [pid 6417] <... futex resumed>) = 0 [pid 6416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5029] <... clone resumed>, child_tidptr=0x55555580e6d0) = 220 [pid 6423] <... set_robust_list resumed>) = 0 [pid 6421] <... futex resumed>) = 0 [pid 6420] <... write resumed>) = 4 [pid 6417] futex(0x7f4e928f002c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6416] close(3 [pid 6423] chdir("./109" [pid 6421] futex(0x7f4e928f0028, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6420] close(3 [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] <... chdir resumed>) = 0 [pid 6420] <... close resumed>) = 0 [pid 6416] close(4 [pid 6423] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6420] read(200, [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] <... prctl resumed>) = 0 [ 287.259341][ T5074] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 287.265402][ T5074] __msan_warning+0x96/0x110 [ 287.270231][ T5074] preempt_count_add+0x1b8/0x320 [ 287.275444][ T5074] sysvec_reschedule_ipi+0x20/0x120 [ 287.280922][ T5074] asm_sysvec_reschedule_ipi+0x1f/0x30 [ 287.286645][ T5074] RIP: 0010:ip_fast_csum+0x30e/0x5f0 [ 287.292184][ T5074] Code: 5d b0 48 83 c3 04 8b 75 bc 44 01 ee 85 c0 41 0f 45 ff 45 31 ed 44 01 f6 0f 92 45 c5 44 89 e2 45 31 e4 09 c2 48 8b 4d a0 89 01 <44> 89 b9 88 0c 00 00 89 55 d0 89 51 08 89 b9 90 0c 00 00 0f 95 45 [pid 6420] <... read resumed>0x7f4e929ff860, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6416] close(5 [pid 6423] setpgid(0, 0 [pid 6420] symlink("/dev/binderfs", "./binderfs" [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6423] <... setpgid resumed>) = 0 [pid 6420] <... symlink resumed>) = 0 [pid 6416] close(6 [ 287.312035][ T5074] RSP: 0018:ffff8881344efac8 EFLAGS: 00000286 [ 287.318291][ T5074] RAX: 00000000ffff0000 RBX: ffff888135329014 RCX: ffff888117fb2b90 [ 287.326449][ T5074] RDX: 00000000ffffff00 RSI: 0000000007008045 RDI: 00000000044b0135 [ 287.334591][ T5074] RBP: ffff8881344efb50 R08: ffffffff8695f1bd R09: ffffffff8d5fd479 [ 287.342737][ T5074] R10: 0000000000000003 R11: ffff888117fb2080 R12: 0000000000000000 [ 287.350882][ T5074] R13: 0000000000000000 R14: 0000000007008000 R15: 00000000044b0135 [pid 6423] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6420] futex(0x7f4e928f002c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] <... symlink resumed>) = 0 [pid 6420] <... futex resumed>) = 0 [pid 6416] close(7 [pid 6423] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] <... symlink resumed>) = 0 [pid 6420] <... mmap resumed>) = 0x7f4e92ba3000 [pid 6416] close(8 [pid 6423] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6420] mprotect(0x7f4e92ba4000, 131072, PROT_READ|PROT_WRITE [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] <... symlink resumed>) = 0 [pid 6420] <... mprotect resumed>) = 0 [ 287.359051][ T5074] ? in_aton+0x759/0x8d0 [ 287.363566][ T5074] ? ip_fast_csum+0x24d/0x5f0 [ 287.368516][ T5074] ? ip_fast_csum+0x2ce/0x5f0 [ 287.373463][ T5074] nsim_dev_trap_report_work+0x920/0x11f0 [ 287.379461][ T5074] ? nsim_dev_rate_parent_read+0x1c0/0x1c0 [ 287.385499][ T5074] process_one_work+0xe73/0x18d0 [ 287.390734][ T5074] worker_thread+0x10fc/0x2230 [ 287.395792][ T5074] kthread+0x3c7/0x500 [ 287.400076][ T5074] ? worker_clr_flags+0x3a0/0x3a0 [ 287.405352][ T5074] ? kthread_blkcg+0x120/0x120 [pid 6416] close(9 [ 287.410351][ T5074] ret_from_fork+0x1f/0x30 [ 287.415012][ T5074] [ 287.418431][ T5074] Kernel Offset: disabled [ 287.422849][ T5074] Rebooting in 86400 seconds..